51results about How to "Addressing injuries" patented technology

The invention discloses an automatic chip removing device for a numerical control lathe. The automatic chip removing device comprises a lathe body and a workbench arranged on the lathe body, wherein a clearing module is arranged on the lathe body, mounted below a clamping jaw, and used for receiving cutting chips generated by a machine tool and separating out a cutting fluid in the cutting chips. According to the automatic chip removing device, scrap iron can be automatically cleared, thereby solving the problem that workers are injured by the splashing of the scrap iron; through the arrangement of an electromagnet on a supporting plate, the scrap iron can be adsorbed, thereby greatly reducing the splashing of the scrap iron in the component machining process; and furthermore, the cutting fluid can be separated from the scrap iron and recycled.

The invention discloses an automatic foot pedal of an electric vehicle, comprising a control system and a mechanical device. The mechanical device comprises a mechanical transmission device mounted onan electric vehicle and a foot pedal connected to the mechanical transmission device; Wherein the control system comprises a controller connected with the steering gear through a steering gear drivemodule, and the steering gear is connected with the mechanical transmission to control the foot pedal to be ejected or retracted; The controller is connected with a pressure detection module, and thepressure detection module is installed on the rear seat of the electric vehicle for detecting whether a person is seated or not. The controller and the rudder power supply are supplied by a battery provided by the electric vehicle through a voltage conversion module. The automatic pedal of the electric vehicle is convenient and quick to use, has higher safety, and effectively solves the problems of tedious operation and pedal bruising caused by manual bouncing and withdrawing of the pedal.

The invention discloses pet consignment equipment. The pet consignment equipment structurally comprises machine frames which are symmetrically arranged in a stacked manner, wherein inclined buffer assemblies are symmetrically arranged between the machine frames, a cage is arranged in the inclined buffer assemblies, side plate ventilation openings are symmetrically formed in two sides of the cage,a back plate ventilation opening is formed in the rear side of the cage, a bottom plate assembly is arranged at the bottom of the cage, a box door is rotationally arranged on the outer side of the cage, the box door is provided with a water drinking assembly and a timing feeding assembly, a box door closing assembly is arranged on the box door, and the box door closing assembly is matched with thecage in a clamping manner. The pet consignment box is stacked, combined and placed, the stacking efficiency is improved, the problem that a pet is injured due to the damage of the pet consignment boxis solved, the influence of shaking on the pet consignment box is relieved, the regular feeding and water feeding of the pet are realized, the automatic locking of the box door when the box door is closed is realized, and the effect that urine is collected, excrement and urine are prevented from spilling out, and the equipment is convenient to clean is realized.

The invention relates to a preparation device of quartz stones, artificial stones and natural stones, in particular to a forming device for marble manufacturing. The forming device for marble manufacturing comprises a shell, a moving box, a forming box and a transportation base and can solve the problem that in a conventional marble preparation process, raw material powder is ground to powder and then an additive is added, the marble is heated to a liquid and then a curing agent is added, and the mixture is cooled for next treatment. The forming device also can solve the problem that operation staff is easily hurt as a result of high temperature in the marble heating and cooling process and also can solve the problem that the skin in contact with residual temperature of the cooled marble is hurt.

The invention discloses a chest expander which comprises two handles and an elastic rope. The two ends of the elastic rope are fixed to the two handles respectively; a fixing rod is further arranged between the two handles, and a cavity is formed in the fixed rod; through holes communicated with the cavity are formed in the two ends of the fixed rod; telescopic assemblies are connected with the interiors of the two through holes in a sliding mode. Each telescopic assembly comprises a first telescopic rod and a second telescopic rod, wherein one end of the second telescopic rod penetrates through the corresponding through hole and is located in the cavity; the end, away from the fixed rod, of the second telescopic rod is sleeved with the first telescopic rod, and a containing cavity for containing the first telescopic rod is formed in the second telescopic rod. The ends, away from the second telescopic rods, of the two first telescopic rods is connected with the two handles respectively; grooves are formed in the outer walls of the first telescopic rods and the outer walls of the second telescopic rods, and a telescopic control assembly is arranged in each groove. Each telescopic control assembly comprises a rotating shaft, a unidirectional intermittent movement mechanism, a limiting plate and a torsional spring, wherein the unidirectional intermittent movement mechanism is usedfor controlling the rotating shaft to steer. According to the chest expander in the scheme, the elastic rope can be effectively prevented from being quickly retracted and restored after being stretched.

The invention discloses a safety brake pedal assembly of a new energy automobile, the safety brake pedal assembly comprises a pedal frame, a pedal base is arranged at one end of the pedal frame, a pedal mechanism used for braking is arranged at the bottom of the pedal frame, a locking mechanism used for locking the position of the pedal mechanism is arranged on one side of the pedal base, and a push rod mechanism used for providing a braking signal is arranged between the pedal mechanism and the pedal base. The pedal mechanism is arranged at the bottom of the pedal base for braking operation of the automobile, the locking mechanism is arranged on one side of the pedal base and used for locking the position of the pedal rod during emergency braking, and thus the distance between the driver's legs and the pedal rod is increased. The push rod mechanism is arranged between the pedal rod and the pedal base and used for providing the braking signal and facilitating unlocking operation after the pedal rod is locked. Through cooperation of the mechanisms, the problem that the shank of the driver collides with the pedal plate and is injured due to inertia during emergency braking of the existing automobile is solved.

The invention discloses an adjustable restraint chair for the psychiatry department, and relates to the technical field of medical instruments. The adjustable restraint chair for the psychiatry department comprises a chair seat, wherein chair legs are fixedly connected to the two ends of the bottom of the chair seat, and first fixing sleeves are fixedly connected to the bottoms of the chair legs;first rotating grooves are formed in one sides of the interiors of the first fixing sleeves, first rotating shafts are rotationally connected into the first rotating grooves, and first bevel gears arefixedly connected to the two ends of the outer sides of the first rotating shafts; and first through holes are formed in the two sides of the bottoms of the first fixing sleeves, first threaded rodsare rotationally connected into the first through holes, second bevel gears are fixedly connected to the tops of the first threaded rods, the second bevel gears are in engaged connection with the first bevel gears, and first sliding blocks are in threaded connection with the bottoms of the first threaded rods. The adjustable restraint chair for the psychiatry department effectively solves the problem that the body of a patient is injured due to the fact that hands and feet of the patient are prone to numb and even blood circulation is blocked due to the fact that the hands and feet are restrained after the patient sits on the restraint chair for a long time.

The present invention provides a motor testing device for new energy automobiles. The device comprises a temperature sensor, an alarm, a positioning sleeve, an electromagnet, a metal top rod, a contact switch, a nut seat I, a bidirectional ball screw, and a nut seat II. The temperature sensor is arranged at the middle part of the internal upper end surface of a sealing cover. The alarm is arranged at the middle part of the upper end surface of the sealing cover. Based on the design, the temperature of a motor can be monitored in real time. The positioning sleeve is fixed on the right end surface of the sealing cover. The electromagnet is arranged on the internal annular side surface of the positioning sleeve. The metal top rod is arranged on the right end surface of a sealing door. The contact switch is arranged at the internal bottom of the positioning sleeve. In this way, the automatic locking function of the sealing door is realized. The nut seat I and the nut seat II are symmetrically arranged on the bidirectional ball screw. The bidirectional ball screw is arranged at the middle part inside a fixed groove. Therefore, a to-be-tested motor can be quickly loaded and clamped. The device is reasonable in structure, good in loading and clamping effect, convenient in operation, good in safety protection performance, strong in practicability and high in reliability.

The invention discloses a storage-stake type truck compartment. The storage-stake type truck compartment comprises a compartment body, a front plate, a bottom plate, side plates, a compartment door, fences, fixing rods, rubber plates, a water inlet pipe, a water outlet pipe, a filter net, a water tank, a water outlet, a water inlet, a water pipe and spray nozzles. According to the storage-stake type truck compartment provided by the invention, the water tank is arranged in the bottom plate, the filter net is arranged at the top of the bottom plate, so that feces discharged from poultry is collected in the water tank, then after water is introduced into the spray nozzles, the spray nozzles spray water into the compartment body, wastewater is discharged from the water outlet pipe, so that high-efficiency cleaning is achieved, and the problems that when the poultry is transported, feces produced by the poultry leads to bad odors in the truck compartment, and the truck compartment is difficult to clean are solved; and the rubber plates are arranged on the inner surfaces of the side plates, each rubber plate has a large thickness and good impact resistance, so that the situation that the poultry is injured in the truck compartment due to collision is reduced, and the problem that the poultry is easy to injure due to collision during the transportation is solved.

The invention discloses a pedestrian path gate with a telescopic structure, and relates to the technical field of barrier gates. The device comprises a machine shell and a machine core; the machine core comprises a rack; the rack is fixedly connected to the bottom of the machine shell; the side face of the rack is rotationally connected with a rotating arm, and the side face of the rotating arm is fixedly connected with a telescopic brake body; a motor is fixedly connected to the rack, a rotating shaft is fixedly connected to the motor, a rotating rod is fixedly connected to the rotating shaft, and one end of the rotating rod is rotationally connected with the rotating arm; the telescopic gate body comprises a fan-shaped shell, the shell is fixedly connected to the side face of the rotating arm, a plurality of fan-shaped gate plates are rotationally connected into the shell, the gate plates are rotationally connected into the adjacent gate plates, and first springs are fixedly connected between the adjacent gate plates. The telescopic gate body structure is designed, a certain buffering telescopic function is achieved, and therefore, the problem that people are injured when an existing gate plate is closed is solved.

The invention relates to the technical field of decoration equipment, in particular to an auxiliary device for building interior decoration, and aims to solve the technical problems that cutting edges are difficult to polish, attractiveness is affected, workers are injured easily, manual cutting by the workers is needed, the labor intensity is high, the cutting time is long, the cutting efficiency is low, the stability is not easy to keep, ceramic tiles or plates in different shapes are difficult to fix, the applicability is poor, and cutting by the workers is inconvenient. In order to solve the technical problem, the invention provides the auxiliary device for building interior decoration. The auxiliary device for building interior decoration comprises a burr polishing mechanism, an automatic cutting mechanism and a fixing mechanism. The cutting positions can be polished, the cutting edges are smooth, the attractiveness is improved, skin is prevented from being cut, laying and using are convenient, automatic cutting is achieved, the labor intensity is reduced, the cutting time is shortened, the cutting efficiency is improved, the stability is kept during cutting, the shape limitation is avoided during fixing, the applicability is improved, and cutting is convenient.

The invention discloses a building construction drilling machine with a correction function. The building construction drilling machine with the correction function comprises a punching machine base body, a limiting protection mechanism is fixedly installed on the edge of one end of the punching machine base body, positioning clamping mechanisms are symmetrically installed on the two sides of the back face of the limiting protection mechanism, a protection bearing mechanism is welded to the bottom of one end of the punching machine base body, an oil tank is installed at the bottom end of the punching machine base body, and a supporting assembly is installed at the position, corresponding to the bottom end of the oil tank, of the bottom end of the punching machine base body. Through the limiting protection mechanism, secondary fixing of a drill bit can be facilitated, so that connection between the drill bit and a punching machine is more stable, and shaking of the drill bit in the operation process is reduced; and meanwhile through an outer conical cover, the stability between the punching machine and a wall is improved, so that shaking of the punching machine during operation is reduced, operation of the drilling machine is facilitated, interference of shaking of the punching machine during operation on drilling of the wall is reduced, and drilling treatment on the wall is facilitated.

The invention discloses an over-water movable vehicle and a rudder thereof. The rudder of the over-water movable vehicle comprises a fixed rudder plate, an expansion piece and a first elastic component, wherein the expansion piece is pivoted with the fixed rudder plate; the first elastic component is connected with the fixed rudder plate and the expansion piece and supports the expansion piece; and the expansion piece presses the first elastic component under stress so that the expansion piece can rotate relative to the fixed rudder plate. In the invention, by the rotation of the expansion piece relative to the fixed rudder plate, when the rudder of a surfboard collides with a surfer or other people who is engaged in over-water activities, the collision force can be lightened so as to protect the surfer or the other people who is engaged in the over-water activities from being injured.

The invention belongs to the technical field of elevators, and particularly relates to an elevator comprising an elevator car and a mounting shaft. The elevator car is mounted in the mounting shaft, and slideways are fixedly mounted on the two sides of the inner wall of the mounting shaft; one surface of each slideway is slidably connected with one surface of the elevator car in a clamping mode; and limiting plates are fixedly mounted on the two sides of the peripheral side face of the elevator car, and slidably connected with sliding chutes in the clamping mode. An emergency braking device isarranged between the two sides of the slideways, and a connecting hole is formed in one surface of each limiting plate; and a braking buffer device is arranged on one surfaces of the limiting plates,and an intercepting support device is arranged on one surface of the mounting shaft. According to the elevator, a height sensor transmitting end installed on the outer surface of the elevator car passes through height sensor receiving ends; the height sensor receiving end is installed on the inner wall of an elevator doorway shaft on each floor, and the elevator car falls to extrude the inner walls of the slideways through buffer columns and rub with the inner walls of the slideways, so that the elevator car falling force is buffered, and the falling speed of the elevator car is reduced forcibly; and the elevator car is stopped on a support plate and just stopped at the elevator entrance of the nearest floor.

The invention relates to the technical field of electronic aluminum foil grinding, in particular to a hole grinding device. The hole grinding device comprises a concave machine frame, and a first working table with a through hole is arranged between the two longitudinal parts of the concave machine frame, and a second working table slidably matched with the two longitudinal parts of the concave machine frame is arranged on the lower part of the first working table; a positioning column slidably matched with the through hole is arranged on the upper surface of the second wording table, and a third working table slidably matched with the two longitudinal part of the concave machine frame is arranged on the upper part of the first working table; and a grinding wheel is rotatably connected tothe lower surface of the third working table, and the grinding wheel, the through hole and the positioning column are on the same axis. The hole grinding device solves the problem that after a hole ofan electronic aluminum foil is punched, the formed hole, away from one side of a punching pin, can present a crack shape on the surface of the electronic aluminum foil, and an operator injures because the crack-shape hole can scratch an operator during the transportation and operation of the electronic aluminum foil.

The invention belongs to the technical field of stainless steel cookware production, and particularly relates to a heating and annealing device for stainless steel cookware production. The heating andannealing device comprises a device body, wherein a rotating device is installed on the inner wall of the device body, one end of the rotating device is rotatably connected with the device body, anda clamping device is arranged at one end of the rotating device. The clamping device is located outside the device body, a connecting assembly is connected between the clamping device and the rotatingdevice, the connecting assembly is fixedly connected with the rotating device, the connecting assembly is rotatably connected with the clamping device, and a first electric telescopic rod is installed in the side, away from the rotating device, of the device body. According to the heating and annealing device, the clamping device located in the base is arranged, and through mutual cooperation ofconnecting rods, connecting pieces and rotating rods, clamping blocks can move back and forth in sliding grooves, so that cookware is clamped, and the fixing capacity of the device for the cookware isachieved.

The invention discloses an adjustable placing rack with high safety for constructional engineering and relates to the technical field of constructional engineering. The adjustable placing rack comprises a baseplate, and electric drive pushers are fixedly connected to four corners of the upper surface of the baseplate. According to the adjustable placing rack with high safety for the constructionalengineering, a tool for constructional engineering is ensured to be stably placed in the moving process of placing hoppers through a controller, a motor I, a worm, a worm gear ring, protective rings,hinge bars, the placing hoppers, hinge plates, hinge pins and magnets, thereby guaranteeing that the tool for the constructional engineering is placed stably on the device during moving and fixing; and the expansion helix angle of the worm is smaller than the friction angle of the worm gear ring in contact with the worm, so that a self-locking effect is generated, the use safety of the device isfurther ensured, and the problems that objects are placed unstably on a current placing rack for the constructional engineering, thus easily causing tilt of the placing rack and the tool for the constructional engineering probably drops off when the placing rack is adjusted, thus making the staff injured are solved.

The invention discloses an intelligent residue removing device for a precision casting product, and relates to the technical field of casting product treatment. The intelligent residue removing device comprises a pouring device used for cleaning residues, wherein a torsion device used for clamping the product and driving the product to rotate is arranged at the upper end of the pouring device, a surface grinding device and a hole grinding device which are used for moving for grinding are arranged at the upper end of the torsion device, the surface grinding device and the hole grinding device have the hard grinding function and the soft grinding function, the two grinding surfaces can be switched, and a telescopic device used for grinding holes in the product is arranged on the hole grinding device. According to the device, the product needing to be ground is ground in all directions, two grinding heads are arranged to deal with different residues on various products, and cleaning is more comprehensive.

The invention discloses pet consignment equipment, the structure of which includes symmetrically stacked racks, inclined buffer components are symmetrically arranged between the racks, the cage is arranged inside the inclined buffer assembly, and the two sides of the cage are symmetrically arranged There are side plate vents, the rear side of the cage is provided with a back plate vent, the bottom of the cage is provided with a floor assembly, and the outer side of the cage is rotated with a door, and the door has a drinking water assembly and a timing feeding assembly , the box door is provided with a box door closing assembly, and the box door closing assembly is engaged with the cage to stack and combine the pet consignment boxes to improve the stacking efficiency and solve the problem of pet injuries due to damage to the pet consignment boxes To solve the problem, to reduce the impact of shaking on the pet consignment box, to realize the regular feeding and watering of pets, to realize the automatic locking of the box door when it is closed, to realize the effect of collecting urine and preventing feces from spilling, and the equipment is easy to clean.

The invention belongs to the technical field of automobile parts and specifically relates to an automobile seat. The automobile seat comprises a seat board, a supporting board and a headrest; a backrest is fixedly connected to the rear end surface of the seat board; the headrest is mounted on the upper end surface of the backrest; a base is fixedly connected to the lower surface of the seat board;first safety airbags are fixedly connected to the interiors of blocking armrests on the two sides of the seat board; second safety airbags are symmetrically and fixedly connected to the positions, onthe left and right sides, in the backrest; a third safety airbag is fixedly connected to the side surface of one side, far away from the seat board, of the backrest; fourth safety airbags are fixedlyconnected to the side surfaces of one sides, far away from each other, of the two bases; and between the backrest and the headrest, a same neck protecting airbag is fixedly connected to the front endsurfaces of the backrest and the headrest. According to the automobile seat, inertial knocking damage of a passenger in a car accident is effectively avoided, the neck is effectively protected, the burden on the leg part is reduced, a fire source can be suppressed, an effective time guarantee is provided for transferring of the passenger, and the practicability is higher.

The invention belongs to the technical field of rock sampling for geological exploration, and discloses a rock crushing and sampling device for geological exploration, a first stone crushing device is arranged in a box body, a drill bit is rotatably mounted in the middle of the front end of the first stone crushing device, and the drill bit is connected with the box body through a driving mechanism; the lower end of the first stone crushing device is connected with a second stone crushing device through a V-shaped funnel, and infrared sensors are installed on the inner walls of stone crushing boxes of the first stone crushing device and the second stone crushing device and connected with the control module. The first stone crushing device is provided with a motor and a stone crushing rotating head, the motor is connected with the stone crushing rotating head through a rotating speed sensor, the rotating speed sensor is connected with the control module, and the control module is connected with a rotating speed controller on the reduction gearbox and controls gear transmission in the reduction gearbox. The problem that workers are injured when breaking sampling is needed is solved. The system is provided with the control module, and the control module is internally provided with the master control and the slave control, so that the control module can stably perform signal switching after the mining mechanism enters the underground.

The invention discloses an automobile front-row driving position seat with a leg protection function, which comprises a seat frame, a buffer cushion is adhered to the interior of the seat frame, a headrest is fixedly mounted on the top surface of the interior of the seat frame, and a protection mechanism is fixedly connected to the bottom of the seat frame. Two fixing grooves are formed in the outer surface wall of one side of the protection mechanism, protection cotton adheres to the inner surface walls of the two fixing grooves, first connecting plates are fixedly connected to the outer surface walls of the two sides of the seat frame, and armrest frames are fixedly connected to the ends, away from the seat frame, of the two first connecting plates; the invention relates to the technical field of automobile seats. The problems that when an existing driving position seat is collided, only the upper body of a driver can be protected, a mechanism for protecting the legs is lacked, and the legs of the driver can be injured are solved, and meanwhile through cooperation of a sliding block and a sliding groove, the second connecting plate can be prevented from deviating when the second connecting plate drives a moving plate to move outwards.

The invention relates to the technical field of intelligent devices, and discloses a sports wearable intelligent eye protection device. The device includes a protection frame having an arc shape, andeye part installation racks are fixedly installed in the middle of the inner arc surface of the protection frame. The middles of the eye part installation racks are provided with accommodating slots I. Eye protective pads are put on the top of the eye part installation racks. Two sides of each protective pad are provided with fixing blocks. The middle of each fixing block is threadedly connected to the top of the corresponding eye part installation rack through a fastening bolt. The tops of the front surfaces of the eye part installation racks are provided with accommodating slots II intersecting and running through the accommodating slots II. Through cooperation of strong light filter eyepieces and fixing shafts, the device can resist ultraviolet rays and wind-blown sand from entering eyes, thus overcoming a problem that strong light and wind-blown sand enter eyes and cause eye injuries, improving eye protection in a running process and improving the effect of running training.

The invention discloses an automatic positioning device for a paper tube in a firework production line. The device comprises a bottom plate and a workbench, the top of the bottom plate is fixedly connected with the top of the workbench, a driving cavity is formed in the workbench, a clamping mechanism is arranged at the top of the workbench, the clamping mechanism comprises sliding strips and sliding grooves, and the sliding grooves are formed in the top of the workbench. The three sliding grooves are symmetrically arranged, and the inner surfaces of the sliding grooves are connected with the outer surfaces of the sliding strips in a sliding mode. The invention relates to the technical field of firework production equipment. According to the automatic positioning device for the paper tube in the firework production line, through combination of structures such as a driving column, a sliding strip, a clamping plate and arc-shaped plates, through forward and reverse rotation of a driving motor and connection of the driving column and a driving groove, the arc-shaped plates get close to each other to automatically clamp the paper tube, so that manual paper tube supporting is avoided, and the risk of workers is reduced. Through the combination of the structures, the problem that workers are easily injured during gunpowder filling in the prior art is solved.

The invention belongs to the technical field of auto parts, and specifically relates to a collision protection method for an automobile seat. The seat to which the method is applied includes a seat board, a support board and a head cushion; the back end of the seat board is fixedly connected with a backrest; A headrest is installed on the upper end surface; a base is fixedly connected to the lower surface of the seat plate; first airbags are fixedly connected inside the barrier armrests on both sides of the seat plate; the interior of the backrest is symmetrically fixed on the left and right sides There is a second airbag; the side of the backrest away from the seat plate is fixedly connected with the third airbag; the two bases are fixedly connected with the fourth airbag on the opposite side of the back; the backrest and the headrest The same neck protection airbag is fixedly connected to the front end surface; the invention effectively solves the inertial damage of the occupants in a car accident, effectively protects the neck, reduces the burden on the legs, and can suppress the fire source , provides an effective time guarantee for the transfer of passengers, and has high practicability.

The invention discloses a casting furnace hole plugging device. The casting furnace hole plugging device comprises a main shaft, a plurality of connecting plates and limiting blocks, the bottoms of the connecting plates are rotationally mounted on the main shaft, adjusting grooves are formed in the tops of the connecting plates, mounting rods penetrate through the adjusting grooves to be connectedto the connecting plates, the mounting rods are connected with a plug, supporting rods are further arranged between the connecting plates, operating rods are connected to the outer sides of the connecting plates, a support is fixed above a furnace hole in the outer side of the furnace wall, the main shaft is arranged on the support, a supporting table is arranged on one side of the furnace hole below the main shaft, and the limiting blocks are installed on the supporting table to block the operating rods and fixed to the supporting table through a pin shaft. By means of the casting furnace hole plugging device, an operator can safely and rapidly block the furnace hole, the blocking effect is good, the operation is easy; a traditional mode that the operator uses a long rod with the plug toextrude the furnace hole and block the furnace hole is replaced, the situation that molten metal splashes and causes injuries to the operator is avoided, and the operation process is safer.

The invention discloses a hand pinching prevention device suitable for a rear sliding door MPV, and belongs to the technical field of automobile accessories. The hand pinching prevention device aims to solve the problem that when a front door and a rear door are opened, hands are held on an exposed B pillar, and the hands of people are easily clamped and injured when the front door is suddenly closed. The device mainly comprises an infrared emitter, an infrared receiver, an electric push rod and a controller, wherein the infrared emitter is fixed to the top of a vehicle and emits infrared laser downwards, the infrared receiver is arranged on the B pillar of the vehicle body, installed opposite to the infrared emitter and kept on an infrared laser light path of the infrared emitter; and theelectric push rod is fixedly installed at the corresponding position of the edge of the front vehicle door and extends out to abut against the front vehicle door when the light path is shielded, andthe hand pinching prevention effect can be achieved.

The invention relates to a device for preparing quartz stone, artificial stone and natural stone, more specifically, a device for manufacturing marble. Including shell, moving box, forming box, transportation base, it can solve the preparation of marble needs to grind the raw material powder into powder and add the mixture to make it. The marble needs to be heated into liquid and then mixed with curing agent and then cooled for the next step of processing. It can also solve the problem that the marble will generate high temperature during the heating and cooling process and easily injure the operator, and it can also solve the problem that the residual temperature of the marble just after cooling will cause damage to the skin.

A manual rope control device, in order to solve the problem that the user must directly apply continuous pulling force to the free end of the working rope with his hands when the current 8-shaped ring hanger is descending, and continuously applying pulling force to the rope may damage the hands. Cause certain difficulty, also have shortcomings such as certain potential safety hazard simultaneously. The present invention proposes a manual rope control device, which mainly includes a fixing part and a hooking part arranged on the fixing part. The thumb of the human hand uses the hooking part to control its movement, so that the hooking part hooks the rope and presses the rope tightly. The sliding speed of the rope is controlled, thereby avoiding the problem of hand injury caused by directly holding the rope. At the same time, the present invention also proposes a rope descender using the rope control device. The rope descender is mainly composed of a hanging body with a lifting hole and a U-shaped rope threading piece arranged on the hanging body. The rope control device effectively solves the self-locking and rope control problems of today's hangers.