57results about How to "Easy to adjust later" patented technology

The invention discloses a layout bipartition method, aiming at solving the defect that the product quality is lowered due to overlarge layout density in the conventional photoetching technology. The layout bipartition method disclosed by the invention comprises the following steps of: partitioning graphs of which the graph pitch is less than a minimal photoetching pitch, into two sub layouts, and obtaining a layout graph through two photoetching operations; when the graph pitch in the sub layout is still less than the minimal photoetching pitch after two sub layouts are formed, partitioning the graphs in the layouts into at least two sub graphs, partitioning each sub graph of which the pitch is less than the minimal photoetching pitch, into two sub layouts by using the sub graph as a unit, and obtaining the layout graph after carrying out two photoetching operations on a substrate; and labeling the layout region where sub layouts cannot be obtained by using a partitioning method. The layout bipartition method disclosed by the invention is applied to the fields of layout design and product manufacture of large-scale integration circuits, and has the characteristics of convenience for use and high accuracy.

The invention discloses a targeted self-adjusting advertisement putting system based on face recognition. The targeted self-adjusting advertisement putting system comprises a face comparison module, arecommendation management module and a putting effect monitoring module. The face comparison module is used for carrying out feature extraction on face features collected by a camera on the advertisement screen, comparing the extracted face features with data in a database, and if a detected client is a new client, the recommendation management module is used for recommending popular advertisement information to the client by utilizing a recommendation algorithm; If it is detected that the customer is the existing customer, the recommendation management module automatically recommends interested advertisement information to the customer; And the delivery effect monitoring module counts the data information and displays the statistical effect. Personalized advertisement putting can be provided for different audiences through face recognition, the putting effect of advertisements is automatically counted, the cost performance of advertisement marketing is improved, the market value is high, and good practicability is achieved.

The invention belongs to the technical field of heating and ventilation systems, and particularly relates to a cleaning area ventilation system and a differential pressure adjusting method. The cleaning area ventilation system comprises a plurality of first partition plates, a plurality of second partition plates, a plurality of air treatment units, a plurality of air conveying valves and a plurality of air inlet valves, a cleaning area is divided into a plurality of partitions by the first partition plates, each partition is divided into a plurality of cleaning chambers by the second partition plates, each cleaning chamber is provided with an air inlet and an air outlet, the air treatment units are in one-to-one correspondence to the partitions, each air treatment unit comprises an air conditioning unit, an air conveying pipeline and an air returning pipeline, the air conveying valves are in one-to-one correspondence to the air treatment units, each air conveying valve is used for controlling the air amount conveyed by the air conditioning unit into the air conveying pipelines, the air inlet valves are in one-to-one correspondence to the cleaning chambers, and each air inlet valveis used for controlling air amount conveyed by the air conveying pipeline into the cleaning chambers. The cleaning area ventilation system conveniently adjusts differential pressure of the cleaning chambers, time and labor are saved, and production efficiency is improved.

The invention discloses a method for evaluating the exposure dosage of a digital mammary gland X-ray imaging system. The method includes the following steps of setting out a target exposure index and calculating a deviation index DI. By means of the technical scheme, according to the deviation between the exposure index and a target exposure index, the exposure dosage of a mammary gland image is evaluated, and therefore a doctor can conveniently and subsequently adjust exposure parameters, an image of appropriate exposure dosage is obtained, the algorithm is simple, and use is convenient.

The invention provides a method for preparing a phosphate fertilizer from municipal sludge. The method comprises the following steps: incinerating municipal sludge to obtain incineration ash; leachingthe incineration ash by using an ethylenediamine tetraacetic acid solution; filtering to obtain first leaching residue; leaching the first leaching residue by using a sulfuric acid solution; filtering to obtain a second leaching solution; adding a sodium hydroxide solution into the second leaching solution; filtering to obtain a third precipitate, dissolving the third precipitate with a hydrochloric acid solution to obtain a solution; adding cation exchange resin into the dissolved solution; filtering to obtain a fourth leaching solution; and adding charcoal into the fourth leaching solutionand obtaining the phosphate fertilizer by crystallization. According to the method, heavy metal components in the municipal sludge can be effectively chelated, phosphorus is dissolved, the purity of phosphorus in the leachate is improved, the phosphorus element is conveniently converted into amorphous precipitate, metal cations in the re-dissolved solution are removed by cation exchange resin, finally the charcoal adsorbs the phosphorus element, the phosphorus is enriched in the charcoal containing a large number of nutrient elements, and the phosphate fertilizer is obtained through crystallization and thus the method has very good practicability.

The invention discloses a fabricated toilet suspended ceiling capable of adjusting a suspended ceiling space, and relates to the technical field of suspended ceiling installation. The suspended ceiling comprises a suspended ceiling body and a hanging rod; the suspended ceiling body comprises a plurality of spliced suspended ceiling plates and a plurality of spliced keels; the hanging rod comprises a first hanging connection portion, a second hanging connection portion, and a hanging connection part; a threaded shaft hole is formed in the first hanging connection portion; external threads are arranged on the second hanging connection portion; the second hanging connection portion is in threaded connection with the first hanging connection portion, and can be screwed in or screwed out to adjust the overall length of the hanging rod; and the hanging connection part is arranged on one end of the second hanging connection portion. According to the fabricated toilet suspended ceiling capable of adjusting the suspended ceiling space, a suspended ceiling structure is installed in a suspended mode, the distance between the suspended ceiling body and a top wall can be adjusted, and the suspended ceiling space is correspondingly changed so as to meet the installation requirements of ventilation equipment, warm keeping equipment and lighting wiring of different specifications. The invention further discloses a mounting method of the fabricated toilet suspended ceiling capable of adjusting the suspended ceiling space, and the method is used for guiding installation of the suspended ceiling structure and improving the suspended ceiling installation efficiency and quality.

The invention provides a long-wave infrared Doppler differential interferometer system supporting structure, which solves the problems of micro-thermal stress, low-thermal deformation and the like ofa long-wave infrared Doppler differential interferometer complete machine during the temperature changing process. The supporting structure comprises a lens group, wherein lenses in the lens group arecompressed and fixed axially and elastically, and a field-of-view expanding prism 1 is compressed and fixed axially and elastically and a field-of-view expanding prism 2 is compressed and fixed radially by means of spring plungers, thereby effectively reducing the influence of temperature change on interferometer optical components, and ensuring the phase inversion precision and wind measurementprecision of the long-wave infrared Doppler differential interferometer.

The invention discloses a display device and a test method thereof. Each first test pin group of a flexible circuit board of the display device comprises two first test pins, each second test pin group of a display panel comprises two electrically-connected second test pins, when a first connection pin is in alignment electrical connection with a corresponding second connection pin, the first testpins and the corresponding second test pins are not electrically connected, when the first connection pin and the corresponding second connection pin are not in alignment electrical connection, the first test pins are electrically connected with the corresponding second test pins, when the first connection pin is in alignment electrical connection with the corresponding second connection pin, thefirst test pins of one first test pin group are at the left side of the corresponding second test pins, and the first test pins of another first test pin group are at the right side of the corresponding second test pins. The test device is advantaged in that detecting whether the first connection pins are in alignment electrical connection with the corresponding second connection pins is realized.

The invention discloses an intelligent unmanned-selling fresh food cabinet based on big data, wherein the fresh food cabinet comprises a cabinet body, the cabinet body is provided with a cabinet door, and the cabinet door is provided with a handle; the fresh food cabinet further comprises an image recognition assembly and a man-machine interaction component; the image recognition assembly is used for obtaining an infrared image of the face of a user and obtaining the body temperature and face feature information of the user; a user inputs personal information through the man-machine interaction assembly; and the man-machine interaction component recommends and displays fresh products suitable for the user to eat to the user according to the personal information input by the user. According to the fresh food cabinet, products beneficial to health of the user can be recommended to the user in combination with the personal health condition (obtained in combination with personal information of the user) of the user, so that the shopping experience of the user is improved, and the shipment amount of the fresh food cabinet is increased; and according to the fresh food cabinet, the facial feature information and the body temperature information of the user are obtained through the image recognition assembly, if the body temperature of the user is higher than the preset value, the user cannot open the cabinet door, and thus the risk that the epidemic situation is further spread is reduced.

The invention relates to an automatic punching and placing machine. The automatic punching and placing machine comprises a machine frame; a punching mechanism, a transferring mechanism and a placing mechanism are arranged on the machine frame; the punching mechanism comprises a base plate, a clamping assembly capable of clamping workpieces and a punching assembly capable of punching the workpiecesare arranged on the base plate, a plurality of clamping positions are arranged on the clamping assembly, and punching heads corresponding to the clamping positions in a one-by-one mode are arranged on the punching assembly; the transferring mechanism comprises a supporting frame fixedly connected on a sliding device, and a plurality of holding assemblies corresponding to the clamping positions ina one-by-one mode are arranged on the supporting frame; the placing mechanism comprises a plurality of placing discs arranged on a transmission device, and the quantity of the placing discs is equalto the quantity of the clamping positions; a plurality of containing grooves for containing the workpieces are formed in the placing discs in a rectangular-array mode; the holding assemblies are driven by the sliding device to reciprocate between the clamping assembly and the placing discs. According to the automatic punching and placing machine, the punching working procedure and the placing working procedure are integrated, and product tracking can be achieved.

The invention relates to the technical field of steam turbine blade machining, in particular to a fixing tool for a steam turbine blade. The fixing tool comprises a rack erected on a base, a translation adjusting mechanism which is arranged on the rack and used for executing the translation adjusting procedure of the blade to be machined, a lifting mechanism which is arranged at the working end of the translation adjusting mechanism and used for executing the lifting adjusting procedure of the blade to be machined, a horizontal overturning mechanism which is arranged at the working end of the lifting mechanism and used for executing the horizontal overturning procedure of the blade to be machined, and a positioning mechanism which is arranged at the working end of the horizontal turnover mechanism, located below the horizontal turnover mechanism and used for positioning the blade to be machined. And according to the technical scheme disclosed by the invention, the problem that the assembling and welding consistency is poor due to the fact that the tool position of a stator blade is manually adjusted is solved. The fixing tool can automatically adjust the horizontal position, the height and the horizontal inclination of the stator blade so as to automatically adjust the position of a tool, so that assembling and welding are consistent, and the assembling and welding precision is improved.

The invention discloses a fabricated external wall insulation board and an installation method thereof. The fabricated external wall insulation board comprises an outer frame and an insulation part, the insulation part comprises an outer board and an inner board, the fabricated external wall insulation board further comprises a connecting piece, the connecting piece is used for connecting the inner surfaces of the outer board and the inner board, horizontally-distributed partition boards are fixed in the outer frame, the outer board and the inner board match the openings of two grooves, the outer board and the inner board slide in the outer frame through connecting pieces, and the insulation boards in the initial state are spliced up and down in the groove where the inner board is located through matching of the outer board. According to the fabricated external wall insulation board and the installation method thereof, the insulation board is redesigned into a movable structure in which the inner core (namely the outer board and the inner board) is movably connected with the outer frame, so that the contact of the two outer frame structures during transportation and stacking can be realized through the matching of the outer board and the groove, and the friction damage is avoided; in addition, the contact area between the whole insulation board and the adhesive can be reduced in the installation process, and accurate butt joint and subsequent adjustment between the insulation board and the wall face are facilitated.

The invention discloses a television time adjusting method and device. The television time adjusting method comprises the steps of receiving a time adjusting request; obtaining a clock dial interface and displaying the clock dial interface in response to the time adjusting request; receiving a time adjusting instruction; and adjusting the time indicated in the clock dial interface based on the time adjusting instruction. In other words, the clock dial interface is obtained and displayed during the television time adjustment; a user can directly observe the time indicated in the clock dial interface; more intuitive subsequent adjustment of the user is facilitated; and convenience is not only brought to the subsequent adjustment, but also the user is unnecessary to input corresponding time values through a remote controller for the time adjustment. Through the television time adjusting method and device, adjustment of the time indicated in the clock dial interface can be realized based on the time adjusting instruction after the time adjusting instruction is received. Accordingly, fussy steps of value input are avoided, the operating complexity can be reduced, and user operation is facilitated.

The invention discloses a convenient-to-adjust highway electromechanical equipment monitor. The monitor comprises a supporting device, vertical adjusting cavities arranged on two sides in the supporting device, a adjusting device, a mounting rod and a rotating table; lead screws are mounted in the vertical adjusting cavities; lead screw sleeves are mounted outside the lead screws; the adjusting device is installed at the upper end of the interior of the supporting device, and the front end and the rear end of the adjusting device are fixed to the lead screw sleeves through bolts correspondingly; the mounting rod is mounted in the adjusting device, the two ends of the mounting rod penetrate through and extend to the exterior of the adjusting device, sliding rails are arranged on the front side and the rear side of the mounting rod correspondingly, a one-way tooth groove is formed in the bottom of the mounting rod, a sliding groove is formed in the mounting rod, and a threaded rod is rotationally mounted in the sliding groove; a sliding block is mounted outside the threaded rod; and the rotating table is arranged on one side of the upper end of the mounting rod, fixing rods are fixedly arranged on the two sides of the upper end of the rotating table, and a monitor is rotationally mounted between the fixing rods.

The invention discloses an optical fiber winding defect detection method and device based on ensemble learning. The method comprises the following steps of S1, acquiring an optical fiber winding image; S2, preprocessing the image acquired in the step S1; S3, carrying out defect detection on the image preprocessed in the S2 through a digital image processing model; S4, carrying out defect detection on the image preprocessed in the S2 through an SVM model; and S5, according to the digital image processing model and the SVM model, performing voting on defect detection results of the two models in the steps S3 and S4 according to corresponding weights by using a linear combination of set weight addition, judging whether voting results for a plurality of continuous pictures are not less than a set threshold score, and if so, judging that the optical fiber winding defect exists. The optical fiber winding defect detection device can reduce the misjudgment rate and the omission ratio, is suitable for optical fibers with various diameters, is more suitable for industrial environment production, and is high in adaptability.

The invention discloses a door and window device with an automatic noise reduction function. The door and window device with the automatic noise reduction function comprises a frame and a sealing device, wherein a first window body and a second window body are arranged in the frame in a sliding fit mode; the sealing device comprises a first sealing assembly, a second sealing assembly and a third sealing assembly; sliding grooves are formed in the upper end and the lower end of the first window body and the upper end and the lower end of the second window body correspondingly; two guide rails which are arranged side by side and correspond to the sliding grooves are arranged on the frame; the guide rails comprise a movable guide rail and a fixed guide rail; displacement devices are arranged in the frame and correspond to the two sides of the movable guide rail; the two ends of the movable guide rail extend into open grooves in the two sides and are connected with the displacement devices; each displacement device is used for driving the movable guide rail to move towards the fixed guide rail; and sealing can be effectively achieved through the acting force of wind by arranging the movable guide rail, so that the sealing effect of the window in windy weather is guaranteed while the daily window gap ventilation effect is guaranteed, and the ventilation effect of daily use is guaranteed while automatic sealing is achieved.

The invention discloses a judgment method and system for an electric vehicle battery system vibration test and a storage medium, and relates to the field of battery vibration tests. The method comprises the following steps: step 1, obtaining a PSD map containing n to-be-tested point curves in an electric vehicle battery system vibration test; step 2, extracting coordinate values of n first nodes exceeding a warning line in the PSD map; step 3, according to a preset time range, extracting a coordinate value of a second node in the preset time range; step 4, judging the result of the vibration test of the electric vehicle battery system according to the coordinate values of the n first nodes and the coordinate values of the second nodes; and step 5, if the judgment result is abnormal, sending out an error early warning, and based on the to-be-tested point corresponding to the abnormal judgment result, disassembling and checking the equipment for the vibration test of the electric vehicle battery system. The problem that the failure position cannot be accurately judged can be solved, and the effects of improving the safety and reliability of the battery system while accurate positioning is achieved.

The invention relates to the field of robot welding, in particular to a controlling method of spot welding and repair grinding of a robot welding production line. The robot welding production line comprises a programmable logic controller, a spot welding robot set and a station set. The controlling method is characterized by comprising the following steps that (1), the predetermined piece number of spot welding robots needing to be subjected to repair grinding and gun cleaning is set; (2), the spot welding robot set starts welding, till one spot welding robot of the spot welding robot set needs to be subjected to repair grinding; (3), the robot needing to be subjected to repair grinding starts to be subjected to the repair grinding program; (4), repair grinding instructions are sent to the spot welding robots which do not execute any program currently; (5), after the spot welding robots receive the instructions, according to the current welding piece number and compared with the predetermined piece number, whether repair grinding is needed or not is judged, if needed, repair grinding is conducted, and otherwise, repair grinding is not conducted; and (6), the repair grinding process is finished. Compared with the prior art, the problem of repeated waiting caused by disordered repair grinding and gun cleaning of the production line can be effectively prevented. The utilization rate of equipment can be effectively guaranteed, and the beat is improved.

The invention provides an electromagnetic fan clutch and belongs to the technical field of machinery. The electromagnetic fan clutch solves the problems that existing electromagnetic fan clutches areinconvenient to assemble and the like. The electromagnetic fan clutch comprises a swing arm shaft and a fan connecting disc, wherein a magnetic disc and a belt wheel are rotatably connected to the swing arm shaft; a coupling assembly and a coil iron core assembly are correspondingly arranged on two sides of the magnetic disc; the coil iron core assembly is fixedly connected to the swing arm shaftand is connected to a guide wire; the coupling assembly is connected to the belt wheel; the fan connecting disc is suspended out of the swing arm shaft and is fixedly connected to the magnetic disc; athrough hole penetrating through the front and back ends of the swing arm shaft is formed in the swing arm shaft; and a guide wire is arranged through the through hole. The electromagnetic fan clutchhas the advantages of being convenient to assemble, high in working stability, energy-saving and emission-reducing and the like.

The invention relates to an electric toothbrush sharing method in a star-rated hotel. The method comprises the following steps: forming a guest room-electric toothbrush relationship list and a corresponding relationship among a guest, a guest room and a room card in advance through a hotel management system, judging whether a rental key for confirming a rental is received or not by an electric toothbrush, when the rental is judged to be confirmed and a brush head is correctly arranged on a brush handle, executing a tooth brushing action and starting timing, calculating rental cost needing to be paid by a user after the user presses a rental ending key, providing a payment two-dimensional code for the rental cost for the user for a scanning payment by the electric toothbrush, after the hotel management system confirms that the rental cost is received, completing a rental cost management for the electric toothbrush, otherwise, including the rental cost not paid in a housing cost of the user. Therefore, an actual demand of the user for renting the electric toothbrush to brush teeth during outdoor accommodation is conveniently met and a guest room management of the star-rated hotel isalso facilitated.

The invention relates to the related technical field of building construction, in particular to a prefabricated concrete assembly wall internal corner reinforcing structure. The prefabricated concrete assembly wall internal corner reinforcing structure comprises a first reinforcing piece, a second reinforcing piece, a first supporting piece and a second supporting piece, wherein the first reinforcing piece is formed by combining first reinforcing plates, the two reinforcing plates are both provided with inner side mounting holes and outer side mounting holes, the second reinforcing piece is formed by combining a bottom plate and a side plate, the side plate is provided with a first mounting hole, and the bottom plate is provided with a threaded hole. According to the prefabricated concrete assembly wall internal corner reinforcing structure, the first reinforcing piece, the second reinforcing piece, the first supporting piece and the second supporting piece are combined to form the prefabricated concrete assembly wall internal corner reinforcing structure, so that a first prefabricated wall panel and a second prefabricated wall panel are subjected to auxiliary positioning through the internal corner reinforcing structure, the stability of the first prefabricated wall panel and the second prefabricated wall panel is guaranteed, therefore, the situation that position deviation of the first prefabricated wallboard and the second prefabricated wallboard is caused in the follow-up construction process, so that the internal corner deviates, and the attractiveness of the internal corner is affected is avoided.

The invention discloses a welding technology for an aluminum alloy vehicle chassis for a subway. The welding technology mainly comprises the following steps of chassis forward assembly, chassis reverse assembly, accessory welding and detection. According to the welding technology, all the tack fixing processes are conducted on forwards assembled tools, a base plate and a boundary beam are welded in the mode that welding is conducted from the middle to the two sides, and sequence welding is adopted in the welding process of a sleeper beam and a floor; in addition, the welding deformation is controlled by additionally arranging a transverse supporting device; the welding technology has the remarkable advantages that the deformation amount and the alignment tolerance are controlled, the welding performance is improved, the size deviation is reduced, the percent of pass of products is improved, and energy consumption is reduced.

The invention discloses a radio-frequency communication equipment adjusting mechanism. The radio-frequency communication equipment adjusting mechanism comprises a supporting column, a guide groove base, a movable base I, a screw rod I, an end cover, a clamping arm I, a clamping device I, a clamping device II, a clamping device III, a clamping arm II, a clamping device IV, a movable base II, a screw rod II, a fixed base, a locking screw, a rotating head and an adjusting device. The radio-frequency communication equipment adjusting mechanism is reasonable and simple in structure, low in production cost and convenient to mount, the movable base I and the movable base II move towards the inner side simultaneously and an equipment clamping part is centered, clamped and fixed through the clamping devices, so that the fixing and mounting effect of different sizes of equipment clamping parts is met; fixation is conducted through a clamping mode, so that the requirements on fixation of different types of radio-frequency communication equipment are met; and four clamping devices are provided, so that the clamping and fixing stability and reliability of different types of radio-frequency communication equipment are effectively improved and convenience is brought for subsequent adjustment.

The invention discloses a display device and a test method thereof. Each first test pin group of a flexible circuit board of the display device comprises two first test pins, each second test pin group of a display panel comprises two electrically-connected second test pins, when a first connection pin is in alignment electrical connection with a corresponding second connection pin, the first testpins and the corresponding second test pins are not electrically connected, when the first connection pin and the corresponding second connection pin are not in alignment electrical connection, the first test pins are electrically connected with the corresponding second test pins, when the first connection pin is in alignment electrical connection with the corresponding second connection pin, thefirst test pins of one first test pin group are at the left side of the corresponding second test pins, and the first test pins of another first test pin group are at the right side of the corresponding second test pins. The test device is advantaged in that detecting whether the first connection pins are in alignment electrical connection with the corresponding second connection pins is realized.

The invention discloses a high-speed rail seat framework manufacturing process and device in the technical field of seat framework manufacturing, the high-speed rail seat framework manufacturing device comprises a fixed bottom plate, the left side of the top of the fixed bottom plate is connected with a positioning mechanism used for positioning the bottom of a seat, and the right side of the top of the fixed bottom plate is fixedly connected with a lifting electric cylinder; in the process of preparing the high-speed rail seat every time, the height of the bottom of the seat is automatically detected when the detection mechanism drives the seat backrest to ascend every time, and the height of the placing plate and the seat backrest is automatically adjusted through the adjusting mechanism when the detection mechanism changes every time; it is guaranteed that the seat backrest can be accurately located on the top face of the bottom of the seat every time under the condition that the heights of the bottoms of the seats are different every time, the seat backrest can be conveniently pushed to the bottom of the seat and turned over to be accurately in butt joint with the bottom of the seat subsequently, labor and cost are saved, the automation degree is high, and the work efficiency is improved. And the manufacturing efficiency of the high-speed rail seat framework can be greatly improved.

The invention discloses a device for producing a high-strength, high-wear-resistant hard alloy glass cutter drilling tool. The device comprises a base, a support structure, a clamping structure and apolishing structure, wherein the support structure is vertically arranged right above the base, the support structure comprises support columns, and the support columns are vertically and symmetrically welded on the top surface of the base; and a clamping structure is vertically mounted on the adjacent top end surfaces of the supporting columns, and the polishing structure is vertically mounted onthe other adjacent top end surfaces of the supporting columns. A drill bit of the glass cutter drilling tool can be stably clamped during polishing, the stability of the drill bit of the glass cutterdrilling tool during polishing is guaranteed, later adjustment is convenient, a rotating head is automatically polished, manpower consumption during polishing is reduced, and the polishing precisionis improved.

The invention discloses a lung cancer patient assisting breathing exercise device which comprises a bottom frame and grooves, a sliding groove is formed in the top surface of the bottom frame, two sets of parallel grooves are formed in the top surface of the bottom frame, micro electric push rods arranged at equal intervals are installed on the inner walls of the grooves, and a lifting plate is installed at the tops of the micro electric push rods; a rectangular groove is formed in the top of the lifting plate, a rolling shaft piece is installed on the inner wall of the rectangular groove, the rolling shaft piece comprises a round rod and a rolling disc, the round rod is installed on the inner wall of the rectangular groove, and the rolling disc is connected to the surface of the round rod in a sleeving mode through a shaft piece; and an electric telescopic rod is installed in the sliding groove, a movable support is installed at the tail end of the electric telescopic rod, and two sets of symmetrically-arranged weight increasing adjusting systems are installed at the bottom of the movable support. By arranging the groove, the lifting plate, the micro electric push rod and the rolling shaft piece, corresponding adaptive buffer equipment is provided, so that the possibility of muscle injury of a user in the exercise process is reduced.