78 results about "Physical Fatigue" patented technology

The invention provides a communication interconnection multi-seat cabin system which comprises seats with a partition seat position detection function and at least one mobile terminal independent of seat cabins, the seats are in wireless communication connection with the mobile terminals, and body position sensing assemblies used for detecting the body states of passengers are arranged on the seats; the multi-seat cockpit system further comprises a game console with a wireless communication interconnection function and a display screen, the seats, the game console, the mobile terminal and the display screen form a multimedia cockpit interaction system, and a passenger sends a posture operation instruction on the seats through the body position sensing assembly to relieve fatigue. According to the invention, not only can a passenger on one automobile seat operate the game, but also passengers on a plurality of automobile seats can interact with each other, so that the communication among a plurality of passengers is facilitated. The posture of a user can be adjusted through the body position sensing assembly, and muscles can be stretched and physical fatigue can be relieved by adjusting the body posture while communication interaction is carried out.

The invention provides a traditional Chinese medicine composition and application thereof in preparation of anti-fatigue health care wine, and relates to the technical field of traditional Chinese medicine preparation and traditional Chinese medicine health care. The traditional Chinese medicine composition takes medicinal and edible traditional Chinese medicinal materials as raw materials, is prepared from herba cistanche, radix acanthopanacis semticosi, radix asparagi, fructus phyllanthi, pollen typhae, fructus canarii, herba cichorii, folium microcotis, semen canavaliae and fructus citri, and has the effects of tonifying kidney and spleen, tonifying qi and yin and combining clearing and tonifying. The traditional Chinese medicine composition and the health-care wine prepared from the traditional Chinese medicine composition provided by the invention have an excellent anti-fatigue effect, and can be used for remarkably prolonging the weight-bearing exhaustion swimming time of mice, remarkably reducing the plasma urea nitrogen content of the mice after exercise, remarkably improving the hepatic glycogen content of the mice and remarkably improving the blood lactic acid clearance of the mice after exercise; the obvious physical fatigue relieving effect is realized. The compound is expected to be developed into anti-fatigue medicines or health-care products.

This invention relates to the field of coal mining technology, and more particularly to a personal protective device (PPE) for underground operations, comprising a drive base, a support frame, a lifting platform, a first protective component, and a second protective component. When in the protective state, the first and second protective components are in contact; when in the working state, they are separated. The advantages are that the cooperation between the drive base and the support frame allows the support frame to move along the length of the drive base; the lifting platform can lift workers to the working position on the tunnel roof, avoiding physical fatigue caused by prolonged overhead work. The first and second protective components can switch between the protective and working states: in the protective state, they are in contact to form a top protective structure, effectively shielding against falling rocks or broken rock fragments from the tunnel roof; in the working state, they are separated to create operating space, facilitating normal roof work for workers.

The utility model relates to the technical field of spray guns for coating equipment, in particular to a spray gun for coating equipment. The paint spraying device comprises a handle, one end of the handle is provided with an installation device, the installation device comprises a fixing pipe, the fixing pipe is fixedly connected with one end of the handle, the arc face of the fixing pipe is connected with a paint pipe in a sliding mode, one end of the handle is fixedly connected with a spraying head, and the spraying head is fixedly connected with the handle. Two mounting grooves are formed in the arc surface of the fixing pipe, first springs are fixedly connected to the inner surfaces of the mounting grooves, and stopping blocks are fixedly connected to the other ends of the first springs. The problems that a worker needs to maintain a specific posture for a long time to operate due to complex operation when installing a paint pipe, consequently, a fixing pipe and the paint pipe need to be assembled with a large amount of time, the overall project progress lags behind, and the worker needs to maintain the specific posture for a long time to operate due to the complex installation operation are solved. And physical fatigue is easy to generate, so that workers feel uncomfortable.

The utility model discloses a health-preserving multifunctional foot-soaking tea table, which belongs to the technical field of household articles, and is characterized in that the health-preserving multifunctional foot-soaking tea table comprises a table board, and touch screen controllers are arranged on the periphery of the table board. The constant-temperature electric heating water tank is matched with the water suction pump, the electromagnetic valve and the water conveying pipe, water at the appropriate temperature can be accurately provided for the foot washing barrel, a user can enjoy warm and comfortable foot bath experience, the massage structure arranged in the foot washing barrel can massage the feet in the foot bath process, blood circulation is effectively promoted, physical fatigue is relieved, and the health care effect is good. Busy office workers can quickly recover vigor through foot bath massage when drinking tea to relax, agreeable life enjoyment is added for the old, the comfort degree of home life is greatly improved, and the pursuit of people for quality life is met.

The utility model discloses a steel structure factory building, and relates to the field of steel structure factory buildings. The maintenance device comprises a structural frame, the structural frame comprises a plurality of stand columns, a cross beam and a top beam, a plurality of sets of maintenance mechanisms are arranged between the inner sides of the stand columns, the maintenance mechanisms, an installation beam, a through groove, an installation base, a motor, a traction rope, a welding head and a lifting frame are arranged, the installation beam is of a T-shaped structure, and the strength and the stability are enhanced; the motors arranged on the same sides of the four mounting seats can control the winding roller to wind and unwind the traction rope, so that the lifting frame is lifted, the traction rope is high in strength and resistant to abrasion, a welding head at the bottom end of the traction rope is firmly connected with the lifting frame, and the lifting function of the lifting frame enables maintenance to be free of climbing. Safety risks are reduced, physical fatigue is avoided, and maintenance quality and efficiency are improved.

The utility model discloses a fresh air device capable of providing negative oxygen ions, and relates to the technical field of fresh air devices, the fresh air device comprises a fresh air ventilator case, the front side of the fresh air ventilator case is clamped with a quick release cover plate, and the right side of the fresh air ventilator case is provided with a negative oxygen ion generating mechanism; partition plates are fixedly mounted on the left sides and the right sides of the inner walls of the fresh air ventilation cases correspondingly, and a rhombic heat exchange core is slidably mounted between the opposite faces of the two fresh air ventilation cases. According to the fresh air ventilator, the fresh air ventilator case and the negative oxygen ion generating mechanism are matched with each other, so that the fresh air ventilator can filter and ventilate indoor air and convey negative oxygen ions into a room at the same time, propagation of bacteria and viruses in the air is reduced through the negative oxygen ions, the indoor sanitation level is improved, metabolism of a human body is promoted, and the health of the human body is improved. The immunity is enhanced, and the nerve function is regulated, so that the body fatigue is relieved, the sleep quality is improved, and the ventilation quality of the fresh air ventilator is better.

The invention provides health wine for nourishing blood and beautifying and a preparation method thereof, and belongs to the technical field of health wine. The health wine comprises astragalus membranaceus, angelica sinensis, seville orange flowers, fructus lycii, mulberries, momordica grosvenori, jujubes, carmine, euglena, actinidia arguta, gynura procumbens and fen-flavor liquor. The invention further provides a preparation method of the health wine. Through the synergistic effect of a raw material system, the health-preserving wine has remarkable effects of resisting oxidation, relieving physical fatigue, improving acnes, chloasma, skin moisture conditions and iron-deficiency anemia, and the wine body is clear and transparent, warm and moist in color and luster and free of toxic and side effects. The wine has the pure grain fragrance of fen-flavor liquor, the elegant flower fragrance of seville orange flowers and the fresh fruit fragrance of actinidia arguta.

The invention discloses a patch for removing fatigue, which comprises a backing layer, a medicine layer and a protective layer, the medicine layer is prepared from the following raw materials in parts by weight: 35-85 parts of traditional Chinese medicine active ingredients, 8-35 parts of plant essential oil, 10-45 parts of amino acids, 4-25 parts of vitamins, 2-15 parts of minerals, 8-40 parts of a transdermal enhancer, 60-150 parts of a matrix material, 3-20 parts of a humectant, 1-10 parts of an antioxidant, 0.5-5 parts of a stabilizer and 3-20 parts of a soothing agent; the traditional Chinese medicine composition can comprehensively relieve physical fatigue, mental fatigue and metabolic fatigue. The composite penetration enhancer is adopted, fat-soluble and water-soluble penetration enhancing components are combined, active components with different polarities can be adapted, the skin cuticle structure is effectively improved, the effective components are promoted to rapidly and uniformly penetrate through the skin barrier, and meanwhile stimulation of a single penetration enhancer to the skin is avoided.

The utility model relates to the technical field of round table adjustment, and discloses a round table with adjustable height and angle, which comprises a round table plate, the round table plate comprises an inner round plate and four outer arc plates, and the four outer arc plates are in running fit with one inner round plate; the bottom plate is arranged at the bottom of the round table plate and used for placing the round table plate; the height adjusting assembly is arranged between the round table plate and the bottom plate and used for adjusting the height of the round table plate; and the dispatching assembly is arranged at the bottom of the inner circular plate and the bottom of the outer arc plate and used for conducting angle overturning on the outer arc plate. By arranging the height adjusting assembly, the height of the round table plate can be conveniently adjusted, a correct sitting posture can be kept, physical fatigue and cervical vertebra pain are avoided, the table is suitable for people with different heights, the comfort degree is improved, and the practicability of the equipment is improved.

The invention provides an electrical component fault detection device based on infrared thermal imaging. The electrical component fault detection device comprises a mounting rack; the mounting plate is arranged on the mounting rack in a sliding manner and is provided with a detection mechanism for detecting the electrical components; the lifting unit is arranged on the mounting frame, is connected to the mounting plate and is used for controlling the detection mechanism to translate along the height direction of the mounting frame; the bearing unit is arranged at the bottom of the mounting frame and used for bearing the mounting frame. Under the action of the mounting frame, the whole detection area can be covered, and meanwhile, under the cooperation of the lifting unit, the position of the mounting plate on the mounting frame can be adjusted, so that the mounting plate drives the detection mechanism to move on the mounting frame, and therefore, rapid response and accurate detection of electrical equipment at different high and low positions can be realized; compared with traditional detection equipment, long-time squatting or climbing operation of an operator can be avoided, physical fatigue and discomfort are reduced, the operation comfort and safety are improved, the detection requirements of areas with different heights are met, and climbing tools are not needed.

The invention provides a rare ginsenoside nano-liposome, a preparation method thereof and application of the rare ginsenoside nano-liposome in improving sleep and relieving physical fatigue. The preparation method comprises the following steps: (1) preparing a lactoferrin solution; (2) preparing a rare ginsenoside solution; (3) preparing a thin film; (4) adding a rare ginsenoside solution into the film, and carrying out ultrasonic treatment to obtain a rare ginsenoside crude liposome suspension; (5) slowly dropwise adding the lactoferrin solution into the rare ginsenoside crude liposome suspension, and stirring for cross-linking reaction to obtain a rare ginsenoside crude liposome solution; and (6) carrying out high-pressure micro-jet nano-homogenization on the rare ginsenoside crude liposome solution to obtain the rare ginsenoside nano-liposome. The invention solves the technical problems of low safety, poor stability, low targeting property and low bioavailability of the traditional nano-liposome, and belongs to the technical field of functional foods.

This utility model discloses a height-adjustable desk, relating to the field of height-adjustable desk technology. It includes a main structure comprising a frame, with a desktop provided at the top of the inner cavity of the frame and slidably connected to the inner wall of the frame. A liner is fixedly connected to the bottom of the frame, and table legs are fixedly connected to all four sides of the bottom of the frame. A splicing assembly includes cover plates disposed around the top of the frame, with connectors at the bottom of the cover plates. Through the cooperation of magnetic strips and magnetic blocks in the splicing assembly, the side shelves can be quickly installed and removed, thus solving the problems of difficult disassembly and space occupation caused by the traditional fixed side shelves. Users can flexibly add or remove shelves, thereby improving space utilization. The height-adjustable assembly, through the cooperation of a rotating handle, bevel gear transmission, lead screw, and adjusting rod, allows for flexible adjustment of the desktop height, thereby meeting the needs of users of different heights, avoiding physical fatigue caused by height discomfort, and thus improving user comfort.

To deal with the situation in which in a gaze-tracking interface, existing systems has relied solely on manual input operations using the fingers and this has been making it natural for users to experience malfunctions, physical fatigue, and increased time and effort.SOLUTION: The system detects an intentional fast blink (high-speed eyelid-closure motion) of a user by a sensor while the user is looking at a target of operation. Only when the eyelid-closure time is shorter than a preset threshold which is the line between the eyelid closure and an unconscious normal blink, the system recognizes the action as a decision (click) operation and executes processing. This enables high-speed and accurate hands-free operations.SELECTED DRAWING: Figure 1

The invention discloses an individualized exercise health management method based on an exercise fatigue dynamic response relation. The method comprises the following steps: inputting personalized information of a user, wherein the personalized information comprises basic information, signal characteristics and historical training data of the user; the input personalized information is responded, a personalized exercise dose recommendation scheme is output through a large model, the large model obtains output based on a trained exercise fatigue dynamic response relation model, and the exercise fatigue dynamic response relation model reflects the incidence relation between the exercise fatigue state and the personalized exercise dose recommendation scheme. On the basis of wearable sensing information fusion, the exercise dose and fatigue state intelligent sensing method is researched, the dynamic response relation between the exercise dose and physical fatigue is mined through long-term data monitoring, an individualized exercise dose recommendation scheme is established, and a scientific basis is provided for precise exercise health.

The invention relates to the technical field of preparation of probiotic fermented beverages, in particular to a probiotic fermented fruit and vegetable beverage with functions of resisting fatigue and enhancing immunity. The hawthorn fruit beverage specifically comprises the following components in parts by mass: 60-80 parts of Zhongtian big hawthorn fruits, 10-20 parts of autumn pears, 11-15 parts of grapes, 9-15 parts of kiwi fruits, 6-10 parts of pomegranates, 3-5 parts of figs, 3-5 parts of beet roots, 3-5 parts of pumpkins, 1-2 parts of kale, 1-2 parts of honey and 2-3 parts of zymophyte. The beverage product provided by the invention can significantly prolong exhaustive swimming time, improve liver glycogen reserve, reduce serum urea nitrogen level after exercises, and effectively relieve physical fatigue; meanwhile, the food can comprehensively enhance the immune function of the organism, including improving the activity of phagocytes, promoting the proliferation of lymphocytes and enhancing humoral immune response, and provides a natural and healthy solution for resisting fatigue and enhancing the immunity function through daily diet for consumers.

The utility model relates to a kind of solid waste recycling pretreatment equipment, comprising: crushing mechanism;Connecting frame is set above the crushing mechanism, and is connected with crushing mechanism by rotating mechanism, rotating mechanism drives connecting frame to rotate on horizontal plane;Linear moving mechanism, it is set on connecting frame;Lifting mechanism, it is connected with linear moving mechanism, linear moving mechanism drives lifting mechanism horizontal movement;Clamping mechanism, it is connected with lifting mechanism, lifting mechanism drives clamping mechanism to move up and down.The solid waste recycling pretreatment equipment of the utility model clamps solid waste by clamping mechanism, by the cooperation of clamping machine, lifting mechanism, linear moving mechanism and rotating mechanism, solid waste in solid waste pile is moved to crushing mechanism, realizes the automatic feeding of solid waste, relative to manual operation, greatly reduce the labor intensity, improve work efficiency, avoid the physical fatigue even injury generated by manual operation handling.

The present application relates to the technical field of biological medicine, in particular to a capsule with the function of relieving physical fatigue, a preparation method and application thereof, the composition contains coenzyme Q10 and mangosteen shell extract as core active ingredients in a specific mass ratio, and preferably, sea buckthorn seed extract is added. The present application further provides two optimized extraction processes of the mangosteen shell extract and the sea buckthorn seed extract. In addition, the composition is further mixed with oily bases, suspending agents, emulsifying agents and other excipients to form a soft capsule dosage form. Through the synergistic effect of various active ingredients, the product can effectively improve the body's endurance, accelerate the removal of metabolic products and enhance the antioxidant capacity, thereby significantly relieving physical fatigue. The product has the characteristics of naturalness, safety, high efficiency, high bioavailability and the like, and can be used for preparing food, health food or medicine for relieving physical fatigue.

The invention belongs to the technical field of IXPE foam production extrusion equipment, and relates to IXPE foam production equipment which comprises an extrusion equipment body and further comprises a height compatible mechanism connected with the extrusion equipment body. The height compatible mechanism comprises a supporting base, a driving part arranged on the supporting base, a lifting part connected with the output end of the driving part and a guiding part used for guiding, and the lifting part is connected with the feeding part of the extrusion equipment body so as to adjust the height of the extrusion equipment body. According to the IXPE foam production equipment, the height compatible mechanism comprising the supporting base, the driving part, the lifting part and the guiding part is arranged, and the lifting part is connected with the feeding part of the extrusion equipment main body, so that the feeding height can be flexibly adjusted according to the requirements of workers with different heights; therefore, a worker can keep a comfortable posture during feeding operation, and physical fatigue and occupational injury risks caused by long-time uncomfortable operation are reduced.

The invention relates to a traditional Chinese medicine compound composition for resisting fatigue and invigorating qi and blood of women. 4 parts of Chinese dates; 4 parts of radix fici simplicissimae; 2 parts of codonopsis pilosula; 4 parts of poria cocos; 4 parts of mulberry; 2 parts of liquorice; 1 part of Chinese angelica; 4 parts of fructus lycii; , 1 part of cinnamon, and 24 parts of isomaltooligosacharide liquid. Based on female physiological characteristics, on the basis of enriching yin and nourishing kidney, medicines for invigorating qi and blood and strengthening spleen and stomach are supplemented, and medicines for regulating qi activity, soothing liver-qi stagnation, clearing heat and nourishing yin are added, so that the effects of regulating yin deficiency of liver and kidney, tonifying spleen and promoting diuresis, regulating qi and strengthening body resistance and treating both symptoms and root causes are achieved; therefore, physical functions of female chronic fatigue syndrome patients are improved, physical strength is enhanced, and physical fatigue is relieved. The prescription is safe, effective, reasonable in cost and easy to accept by consumers.

The invention belongs to the technical field of food, and provides a functional mare milk beverage and a preparation method thereof. The functional milk beverage aims to screen multiple traditional Chinese medicinal materials from the perspective of homology of medicine and food, is suitable for compatibility, is screened out and has a relatively good anti-fatigue effect, and is prepared from the following raw materials: fresh horse milk, xylooligosaccharide, codonopsis pilosula, poria cocos, Chinese yam, red dates, Chinese wolfberry fruits and fermentation strains. Researches show that the mare milk beverage can effectively improve the storage of hepatic glycogen and muscle glycogen, can provide more energy substances for the body, reduces the levels of blood lactic acid and blood urea after exercises, improves the anti-fatigue ability of the body, delays the generation of fatigue and accelerates the elimination of fatigue, and has the market value of being developed into products for relieving physical fatigue.

The present invention provides a method for improving exercise performance or preventing or relieving fatigue in a mammal, including administration to the mammal a composition including: (i) an effective amount of BAIBA, or a pharmaceutically acceptable salt, acid, ester, polymer, analog or derivative thereof; and (ii) an effective amount of creatine. The present invention also provides a composition, including (i) an effective amount of BAIBA, or a pharmaceutically acceptable salt, acid, ester, polymer, analog or derivative thereof; and (ii) an effective amount of creatine, for improving exercise performance or preventing or relieving fatigue in a mammal. The methods and compositions of the invention can be used for enhancing muscle strength, increasing muscle content, improving muscle endurance; preventing body fatigue after exercise, accelerating recovery after exercise.

The present invention provides a method for improving exercise performance or preventing or relieving fatigue in a mammal, including administration to the mammal a composition including: (i) an effective amount of BAIBA, or a pharmaceutically acceptable salt, acid, ester, polymer, analog or derivative thereof; and (ii) an effective amount of creatine. The present invention also provides a composition, including (i) an effective amount of BAIBA, or a pharmaceutically acceptable salt, acid, ester, polymer, analog or derivative thereof; and (ii) an effective amount of creatine, for improving exercise performance or preventing or relieving fatigue in a mammal. The methods and compositions of the invention can be used for enhancing muscle strength, increasing muscle content, improving muscle endurance; preventing body fatigue after exercise, accelerating recovery after exercise.

1. Name of the product in this design: Adjustable desk (T1). 2. Purpose of this design: To improve the situation of prolonged sitting in office or study, by adjusting the height to allow for alternating sitting and standing, so as to relieve physical fatigue and prevent spinal and cervical problems. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides a maca, ginseng and cistanche deserticola composition. The maca, ginseng and cistanche deserticola composition is prepared from maca powder, a ginseng extract, a fructus lycii extract, a cistanche deserticola extract, ground cinnamon, a folium cortex eucommiae extract and edible salt. The invention further provides an oral formulation and a food product comprising the composition. The invention also provides application of the composition or the preparation in preparation of health-care foods or medicines for relieving physical fatigue. The composition provided by the invention can comprehensively play a role in relieving fatigue by increasing the content of liver glycogen in liver tissue and reducing lactic acid accumulation after exercise, further can improve the content of testosterone in serum, has the potential of improving reproduction, and has important market value and development prospect.

The utility model relates to the technical field of lathe auxiliary tools, in particular to a center frame which comprises a frame body provided with a horizontally-arranged supporting plane. The first limiting assembly is horizontally and rotationally connected to the supporting plane of the frame body; the second limiting assemblies are adjustably connected to the frame body, and the tail ends of the second limiting assemblies and the tail end of the first limiting assembly are arranged in a circumferential surrounding mode so as to support the peripheral side of a shaft part; according to the center frame, an operator can release the limitation on the shaft piece in the center frame by horizontally rotating the first limiting assembly, the horizontal rotation path is relatively short and is carried out in the same plane, so that the operator can more easily control the rotation speed and force, and during horizontal rotation, the operation is more convenient. Operators can stand or adopt other comfortable postures to operate, and physical fatigue caused by long-time stooping or squatting is reduced.

The embodiment of the application discloses a kind of psychological and physiological fatigue monitoring method and system, it is related to fatigue monitoring technical field.The method comprises: the electromyographic data of fatigue monitoring target is obtained by electromyographic sensor, and the heart rate data of fatigue monitoring target is obtained by heart rate sensor;The electromyographic data is analyzed in time domain and frequency domain, and physiological fatigue score is obtained, and the heart rate data is analyzed in time domain, and psychological fatigue score is obtained;According to the physiological fatigue score and the psychological fatigue score, the fatigue monitoring result of the fatigue monitoring target is determined.The technical scheme can determine the fatigue monitoring result of the fatigue monitoring target from two dimensions of physiology and psychology by monitoring the physiological and psychological fatigue of fatigue monitoring target, greatly improve the accuracy of fatigue monitoring.

The invention discloses a formula and a preparation method of endurance sports nutritious food helpful for relieving physical fatigue, the endurance sports nutritious food is prepared by taking coated beta-alanine crystal granules and high-branch cyclodextrin as main raw materials, adding three medicinal and edible materials, seven vitamins, three minerals, four natural plant components and other ingredients, and performing uniform mixing and uniform mixing to obtain the endurance sports nutritious food helpful for relieving physical fatigue. Beta-alanine crystals are treated by a bottom spraying and coating technology, and the beta-alanine is prepared by a square cone hopper total mixing technology. According to the present invention, the nutrients and the plant extraction components are matched with the medicinal and edible components containing a variety of natural active components, such that the physical fatigue can be easily relieved, and the exercise time can be prolonged; and the beta-alanine crystal granules subjected to coating treatment have good anti-caking and anti-hygroscopic properties, and the product stability is obviously improved. A mouse model experiment proves that the traditional Chinese medicine composition is practically and effectively helpful for relieving physical fatigue and prolonging exercise time.

The application belongs to the technical field of automobile accessory production equipment, and particularly relates to an automobile button assembling device, which comprises a rack, a clamping mechanism arranged on the rack and used for fixing an automobile button, a mounting mechanism arranged on the rack and used for pressing a surface cover and a bottom plate of the automobile button, and a guide mechanism arranged on the rack and connected with the mounting mechanism and used for guiding and buffering the movement of the mounting mechanism, wherein the mounting mechanism is located above the clamping mechanism and can move up and down along the vertical direction of the clamping mechanism. The automobile button surface cover and the bottom plate are automatically pressed by integrating the clamping mechanism, the mounting mechanism and the guide mechanism, manual operation is reduced, the assembling speed and the production efficiency are significantly improved, the demand of workers for repeated and high-intensity labor is reduced by automatic assembling, the physical fatigue and the risk of injury are reduced, the dependence on manual work is reduced, and the labor cost is reduced.

This utility model relates to the field of well workover technology and discloses a blowout preventer (BOP) for oilfield drilling and workover, comprising a BOP body, a hollow tube fixedly connected to the surface of the BOP body, an installation device provided on the inner surface of the hollow tube, the installation device including a fixing tube slidably connected to the inner surface of the hollow tube, two mounting grooves formed on the arc surface of the fixing tube, a first spring fixedly connected to the inner surface of the mounting groove, a blocking block fixedly connected to the other end of the first spring, and two threaded rods threadedly inserted into the arc surface of the hollow tube, one end of the threaded rods fixedly connected to a round block. This BOP for oilfield drilling and workover avoids the complex operation required by workers during installation, which necessitates a significant amount of time for assembly, leading to delays in the overall project progress. The complex installation operation also avoids the problem of workers needing to maintain a specific posture for extended periods, resulting in physical fatigue.