62results about How to "Improve fixed quality" patented technology

A fixing device includes a heating roller, a pressing roller, a fixing belt for forming a fixing nip, and a belt pressing member which slidably supports and presses the inner circumferential surface of the fixing belt in the entire fixing nip. Since a fixing nip can sufficiently expand and a time that a printable medium passes through the fixing nip can increase, a fixing temperature can be lowered while maintaining image fixing quality, and power consumption and a warming-up time can be reduced. In addition, looseness of the fixing nip due to an air gap can be prevented and thus good image fixing quality can be ensured.

One embodiment of the present invention involves a roller drive control method for a fixing apparatus in which a separation claw for separating a recording paper and a cleaning unit for removing toner that has become residual on a surface of a heat roller are arranged near a surface of the heat roller that fixes toner onto the recording paper, wherein a predetermined period different from a fixing process period in which fixing of toner onto the recording paper is carried out is set as a toner removal period for removing toner that has adhered to the separation claw, and the heat roller is rotationally driven so that the rotation velocity of the heat roller is different in the fixing process period and the toner removal period.

The invention relates to an energy efficient fixture method for anchor nails. The method is as follows: welding an anchor L-shaped steel plate (2) on a furnace shell, fixing the anchor nails by anchor nuts before the installation of an anchor steel plate (5), and then installing the anchor steel plate (5) on the anchor L-shaped steel plate (2) through a bolt and nut fastener (3) to finish the installation of a row of anchor nails; installing the next row of anchor nails according to above steps until the whole furnace is filled up, and then installing refractory fibre (6) to realize that the refractory fibre (6) is fixed on the furnace wall (1) of a vertical continuous annealing furnace. In the invention, the carbon steel anchor L-shaped steel plate is adopted, and a carbon steel welding rod can be used for welding, thereby saving welding lost; only two connection points for a plurality of anchor nails are arranged on the furnace shell, thus reducing the number of a heat bridge, reducing heat loss and saving energy consumption; and the invention also has the advantages of saving labor cost, improving the fixing quality of the anchor nails and improving working efficiency.

The invention relates to a device for simulating overhead line fault caused by insulator pollution defect. The device comprises a simulation operation platform and simulation electric poles. An insulated wire is arranged between the simulation electric poles. The insulated wire is provided with an insulator. The simulation operation platform is provided with a spraying mechanism. Salt water or dust is sprayed onto the surface of the insulator by the spraying mechanism to simulate insulator pollution defect. The simulation operation platform is provided with an ultrasonic wave. The device has the advantages that the insulator pollution defect is simulated by spraying the salt water or dusts onto the surface of the insulator through the spraying mechanism, different degrees of pollution defects of the insulator can be simulated by controlling the amount of salt water or dusts on the surface of the insulator, and overhead line fault caused by the insulator pollution defects is verified through partial discharge of the ultrasonic wave carried on the insulated wire, thereby enabling operation and maintenance personnel and operators to quickly and accurately obtain the influence of the insulator on the overhead line fault under different degrees of pollution defects, facilitating later analysis and improving operation and maintenance efficiency.

The invention discloses a pair of hand and foot surgical bone fracture double-leaf reduction forceps. The pair of hand and foot surgical bone fracture double-leaf reduction forceps comprises an upper forcep, a lower forcep and a rivet, wherein the upper forcep comprises an upper forcep head, an upper forcep body and an upper forcep handle, and the upper forcep head and the upper forcep handle are respectively and fixedly arranged at the two ends of the upper forcep body; the lower forcep comprises a lower forcep head, a lower forcep body and a lower forcep handle, and the lower forcep head and the lower forcep handle are respectively and fixedly arranged at the two ends of the lower forcep body; the rivet is hinged to the upper forcep and the lower forcep; the upper forcep head comprises an upper V-shaped connecting rod and a pair of arc-shaped forceps, the middle part of the upper V-shaped connecting rod is fixedly connected with the upper forcep body, and the two arc-shaped forceps are respectively and fixedly arranged at the two ends of the upper V-shaped connecting rod; the lower forcep head comprises a lower V-shaped connecting rod and a pair of flat forceps, the middle part of the lower V-shaped connecting rod is fixedly connected with the lower forcep body, and the two flat forceps are respectively and fixedly arranged at the two ends of the lower V-shaped connecting rod; the arc-shaped forceps and the flat forceps are correspondingly arranged. By adopting the type, the pair of hand and foot surgical bone fracture double-leaf reduction forceps has the advantages that the pair of hand and foot surgical bone fracture double-leaf reduction forceps can be respectively and fixedly arranged at the two sides of the bone fracture end, the internal fixing of an operator is convenient, the operation time is obviously shortened, the operation efficiency is improved, and the inner fixing quality of bone fracture reduction is improved.

The invention relates to the field of glass production equipment, in particular to a production device for colored optical glass. The production device for the colored optical glass comprises supporting structures, moving structures, a shock absorption structure, first limiting structures, fixing structures and a pressing structure; the moving structures for moving the device are arranged at the bottom ends of the supporting structures; the shock absorption structure for absorbing shock is arranged at the top ends of the supporting structures; the first limiting structures for limiting the glass are arranged at four corners of the end, away from the supporting structures, of the shock absorption structure; the fixing structures are arranged at the top ends of the first limiting structures;and the pressing structure is arranged at the bottom ends of the fixing structures and matched with the shock absorption structure to conduct abutting limiting on the glass. According to the production device for the colored optical glass, the moving structures and the supporting structures can slide, and the device can be carried conveniently through the moving structures; the shock absorption performance of the device is improved through cooperative use of the shock absorption structure and the supporting structures; difference pieces of glass can be limited conveniently through cooperativeuse of the fixing structures and the pressing structure; and meanwhile, portions of the glass are evenly stressed, and the fixing quality is improved.

The invention relates to a warehouse management method, comprising a database server, a printer, a mobile terminal and a PC used for inputting product information into the warehouse. The printer is connected with the PC, the mobile terminal is connected with the database server through a wireless network, and the PC is also provided with a code scanning gun. Advantages of the invention: affixed tothe product by a first label, the second tag is secured to the stored shelf, can realize that when the product is put into the warehouse, unified identification can be made according to the time of warehousing and storage location of the product, When a product is issued, The administrator can quickly arrange the product out of the warehouse according to the storage location and the warehousing time, and the setting of the second tag is favorable for the administrator to quickly find the storage shelves, thus improving the efficiency of the warehousing and the warehousing, changing the drawbacks of the slow speed and low efficiency of the traditional manual warehouse business, and greatly saving time and manpower.

The invention discloses a color retaining stationary liquid used for anatomy teaching specimens, and a preparation method thereof. The color retaining stationary liquid used for anatomy teaching specimens is composed of, by weight, 2 to 3 parts of sodium dodecyl sulfate, 10 to 15 parts of urea, 0.3 to 0.7 part of potassium sorbate, 0.2 to 0.5 part of citric acid, 18 to 23 parts of 1, 2-propylene glycol, 0.5 to 0.7 part of sodium tripolyphosphate, 0.4 to 0.6 part of ascorbic acid, 0.1 to 0.3 part of L-cysteine, 0.8 to 1.3 parts of orange fruit pericarp extract product, 1 to 1.5 parts of tea residue extract product, and 60 to 67 parts of distilled water. The color retaining stationary liquid can be used for rapid penetration and filling of animal specimen cells, possesses excellent bacteriainhibiting and killing effect, mildew resistance, color retaining effect, and oxidation resistance, is capable of improving animal solution preserved specimen stationary quality, effect, and color, and prolonging preservation time, is safe, is nontoxic, and is friendly to the environment.

The invention discloses a welding fixture for a network transformer. The welding fixture comprises a base; the outer walls of the two ends of the top part of the base are each fixedly connected with anut; a screw is arranged in each nut; each screw and the corresponding nut are rotatably connected; one end, far away from the corresponding nut, of each screw is fixedly connected with a rotating block; the outer wall of each rotating block is fixedly connected with a plurality of rotating rods; a worktable is arranged between the two opposite sides of the nuts; the outer wall of the bottom partof the worktable is fixedly connected the outer wall of the top part of the base; the two sides of the top part of the worktable are each provided with a moving table; a plurality of fixing slots areformed in the top part of each moving table; a groove is formed in the bottom part of each moving table; and a magnetic stripe is arranged in each groove. According to the welding fixture, by mainlyinstalling three types of main fixing mechanisms including bolt fixing mechanisms, the fixing slots and the magnetic stripes and setting the triple combined fixing mechanism of the bolt fixing mechanisms, the fixing slots and the magnetic stripes, the fixing quality can be effectively improved, and thereby, the welding quality is improved.

The invention relates to the field of grease lubrication spindles, in particular to a grease lubrication spindle. The grease lubrication spindle comprises a base, a rubber plug, a gear, a sleeve, a spindle structure, a clamping structure, a bearing, a dust cleaning structure and a limiting structure. A driving ring and a stop block are fixed through the limiting structure. The driving ring is limited through centrifugal force generated during rotating of the spindle structure and the stable state of the limiting structure. When the spindle structure stops emergently, the limiting structure drives the driving ring to be separated from the stop block under the inertia effect so that the clamping structure cannot clamp a workpiece, the spindle structure can rotate continuously, and then the situation that a cutting tool and a motor of the cutting tool are damaged due to emergent stop of the spindle structure is effectively prevented. Through the dust cleaning structure, the limiting structure is more stable under the condition of normal rotation of the spindle structure. The limiting structure disperses air flow to effectively prevent the situation that cut scraps are splashed due toexcessive wind power caused by high-speed rotation of the spindle structure. Accordingly, the dust cleaning quality is greatly improved.

The invention relates to a full-automatic metal double-buckle pipe assembling device. The full-automatic metal double-buckle pipe assembling device comprises a rack and a conveying belt. A clamping and fixing mechanism is arranged on the conveying belt. A feeding module, a steel sleeve installing module, an inner steel sleeve expanding module, an inner pipe penetrating module, a core installing module, a buckling and pressing module, a detection module and a discharging module are sequentially arranged on the rack in the feeding direction of the conveying belt. A PLC control panel is further arranged on the rack. The full-automatic metal double-buckle pipe assembling device has the advantages that fixing and conveying of an outer pipe are achieved through the conveying belt, accordingly, the outer pipe can sequentially pass through the feeding module, the steel sleeve installing module, the inner steel sleeve expanding module, the inner pipe penetrating module, the core installing module, the buckling and pressing module, the detection module and the discharging module, automatic continuous assembling production of metal double-buckle pipes is achieved, and the work intensity of operators is relieved; and compared with existing manual assembling, the full-automatic metal double-buckle pipe assembling device has the characteristics that production personnel on a production line can be reduced by 80%, and the metal double-buckle pipes different in length can be assembled.

The invention discloses a double-layer combined casing with a girth weld and an assembling method thereof. The double-layer combined casing comprises an internal thread coupling joint, an external thread coupling joint, an outer casing layer and an inner casing layer; the outer casing layer is divided into an internal thread coupling joint section and an external thread coupling joint section, a connecting ring is arranged at the connecting position of the internal thread coupling joint section and the external thread coupling joint section, and the internal thread coupling joint section and the external thread coupling joint section are connected with the connecting ring in an overlap welding manner; and the outer casing layer is connected with the internal thread coupling joint and the external thread coupling joint, and the inner casing layer is connected with the internal thread coupling joint and the external thread coupling joint. The connecting and sealing performance of the double-layer combined casing is effectively improved, meanwhile, the anti-outward extrusion performance of the double-layer combined casing is effectively improved, a sealed cavity is formed in an annular space of the inner casing layer and the outer casing layer, effective buoyancy of the casing in drilling fluid is increased, centering of the double-layer casing in a horizontal section is facilitated, and the fixing mass is improved.

One embodiment of the present invention involves a roller drive control method for a fixing apparatus in which a separation claw for separating a recording paper and a cleaning unit for removing toner that has become residual on a surface of a heat roller are arranged near a surface of the heat roller that fixes toner onto the recording paper, wherein a predetermined period different from a fixing process period in which fixing of toner onto the recording paper is carried out is set as a toner removal period for removing toner that has adhered to the separation claw, and the heat roller is rotationally driven so that the rotation velocity of the heat roller is different in the fixing process period and the toner removal period.

The invention is applicable to the technical field of constructional engineering, and provides a constructional engineering template fixing support which comprises a fixing base and further comprises a lifting mechanism, a plurality of lifting seats are movably arranged on the lifting mechanism, telescopic modules are arranged on the two sides of each lifting seat, a mounting seat is fixedly arranged at one end of each telescopic module, and the mounting seats are movably arranged on the fixing base. An adjusting mechanism is fixedly arranged on the mounting seat and comprises a first adjusting seat, a second adjusting seat, an electric element, a rotating part, a rotating module, a second elastic part and a first telescopic part. According to the fixing support for the constructional engineering formwork, the lifting bases with the same number as the supporting faces of the stepped formwork are installed on the lifting mechanism, the lifting mechanism drives the lifting bases and the supporting bases to ascend and descend, the adjusting mechanism adjusts the horizontal positions of the supporting bases, and the lifting mechanism and the adjusting mechanism are matched; the ladder-shaped formwork is supported and fixed, the supporting stability of the formwork is improved, and then the formwork supporting efficiency and quality are improved.

The invention discloses an energy-saving device for a central air conditioner and an energy-saving method thereof, and belongs to the technical field of central air conditioners. The energy-saving device comprises a temperature control assembly and a mounting shell, the temperature control assembly is arranged in the mounting shell, and fixed dustproof assemblies are symmetrically arranged at the two sides of the surface of the mounting shell; the fixed dustproof assemblies comprise grating net plates, fiber filter screens, fastening bolts, fixed plates and supporting plates, wherein the supporting plates are symmetrically arranged at the two sides of the surface of the mounting shell, the fixed plates are arranged at one sides of the supporting plates, the fastening bolts are arranged in the fixed plates, the grating net plate are arranged at one sides of the fastening bolts, and the fiber filter screens are arranged at the sides, far away from the fastening bolts, of the grating screen plates. According to the energy-saving device, by arranging the fixed dustproof assemblies, the fixing quality is improved, and the using effect is guaranteed; and damping rotating shafts can be rotated to drive limiting frames to limit the grating net plates, the fixing effect is further achieved, and installation convenience is guaranteed.

The invention relates to the field of grease lubrication spindles, in particular to a grease lubrication spindle. The grease lubrication spindle comprises a base, a rubber plug, a gear, a sleeve, a spindle structure, a clamping structure, a bearing, a dust cleaning structure and a limiting structure. A driving ring and a stop block are fixed through the limiting structure. The driving ring is limited through centrifugal force generated during rotating of the spindle structure and the stable state of the limiting structure. When the spindle structure stops emergently, the limiting structure drives the driving ring to be separated from the stop block under the inertia effect so that the clamping structure cannot clamp a workpiece, the spindle structure can rotate continuously, and then the situation that a cutting tool and a motor of the cutting tool are damaged due to emergent stop of the spindle structure is effectively prevented. Through the dust cleaning structure, the limiting structure is more stable under the condition of normal rotation of the spindle structure. The limiting structure disperses air flow to effectively prevent the situation that cut scraps are splashed due toexcessive wind power caused by high-speed rotation of the spindle structure. Accordingly, the dust cleaning quality is greatly improved.

The invention relates to a method for testing bending fatigue resistance of a 500kV windage yaw prevention jumper insulator. The 500kV windage yaw prevention jumper insulator comprises a core body anda core rod, and also comprises a frame and a supporting frame. A hoisting mechanism is arranged on the rack. The method sequentially comprises the following steps: step 1, testing a bending deflection value y1; step 2, detecting whether a visible crack exists at a connection part of a core rod and a core body through a swing fatigue test; and step 3, testing a bending deflection value y2. The method has the advantages that the amplitude of the swing fatigue test in the step 2 is set through the bending deflection value y1, the safety performance of the swing fatigue test can be improved, theinfluence on the 500kV windage yaw prevention jumper insulator due to overlarge amplitude is prevented, and the reliability of the swing fatigue test is improved. By comparing the bending deflection value y2 with the bending deflection value y1 and judging whether the 500kV windage yaw prevention jumper insulator is a qualified product or not according to the ratio of the bending deflection valuey2 to the bending deflection value y1, detection personnel can quickly and accurately obtain a test result, and the test accuracy is improved.

The invention is applicable to the technical field of medical images, and provides observation equipment for medical image analysis. The equipment comprises a support frame, a light panel and a cleaning device; a rotating device is mounted at the bottom of the support frame, and a clamping device comprises a clamp, a base and a telescopic part; the cleaning device comprises an air outlet, a baffleand a moving device; the moving device comprises a moving plate, a driving part and a limiting part, the moving plate is connected with the baffle through a connecting rod, the upper portion of the baffle is coupled with the upper portion of the air outlet, and the end of the connecting rod is connected with a moving block through a universal ball; a moving space is formed in the moving plate, the driving part moves in the moving space, an arc-shaped block is arranged on the driving part, a stop block is arranged below one side of the moving plate, the limiting part is arranged in a Z shape,an annular plate is arranged on the adjusting rod, and an air outlet device is arranged in the supporting frame. Therefore, the equipment can fix films in different sizes, can remove dust on the surfaces of the films, and improves the viewing efficiency and the viewing quality.

The invention relates to a nut. The nut comprises a connecting block, a first nut body, and a second nut body; one end of the connecting block is fixedly connected to the first nut body, the other endof the connecting block is fixedly connected to the second nut body, a gap is arranged between the first nut body and the second nut body, and a limiting screw for preventing the nut from shaking isarranged on the connecting block. The nut has the beneficial effects that through the connecting block, rapid connection of the first nut body and the second nut body is achieved, through the connecting block, shaking of the first nut body and the second nut body in the radial direction can be limited, through the limiting screw on the connecting block, limiting of the whole nut in the axial direction is prevented, mounting quality of the whole nut is ensured, a detachable operation rod on the connecting block can achieve rapid rotation of the nut, according to different mounting environments, different models of operation rods can be selected, the mounting efficiency and the mounting quality of the nut can be improved, and the subsequent maintaining can be facilitated.

The invention relates to an automatic side wall separating mechanism of an electric connector. The side wall automatic separating mechanism comprises a plug and a socket, wherein the socket comprisesa socket shell and a locking pin, and the plug comprises an outer shell, a plug cable cover, a fixing frame and a plug shell; the plug cable cover is fixedly connected in the fixing frame, and a clamping hook matched with the locking pin is arranged on the outer shell. The automatic side wall separating mechanism of the electric connector is characterized in that the clamping hook is arranged on the outer shell and the locking pin is arranged on the socket, when the plug and the socket can be plugged, only the downward insertion force needs to be applied to the outer shell, when the plug is incontact with the socket, a locking block is subjected to upward pressure, a pressure spring is compressed, when a groove is matched with a moving end, a guide rod moves leftwards under the acting force of a spring, the outer shell moves leftwards along with the guide rod, and when the clamping hook on the outer shell clamps the locking pin, the plug and the socket can be locked. The automatic side wall separating mechanism has the advantages of being capable of automatically separating along with elasticity, high in reliability and convenient to use.

The invention discloses liquid crystal display panel glue dispensing equipment and an automatic glue dispensing production technology. The liquid crystal display panel glue dispensing equipment comprises a base, a conveying belt, a moving head, a glue barrel and an objective table; the upper end of the base is provided with a vertical column, and the upper end of the vertical column is provided with a transverse beam; the moving head is arranged on the outer side of the transverse beam in a sleeving mode; the glue barrel is connected with the bottom of the moving head through an installation frame, and the conveying belt connected with the upper end of the base is arranged below the glue barrel; the objective table is installed on the conveying belt, and clamping plates are slidably connected to the upper end of the objective table; and slide plates are slidably connected to the clamping plates. The automatic glue dispensing production technology comprises the following steps that 1, aliquid crystal display panel is placed on the objective table, and the ends of the liquid crystal display panel are fixed through the clamping plates and the slide plates; 2, the moving trajectory ofthe glue barrel and the moving trajectory of the conveying belt are set according to the dispensing positions of the liquid crystal display panel, and glue is smeared on the liquid crystal display panel through the glue barrel; and 3, a fan is started to blow air towards the glue on the liquid crystal display panel so that the glue can be solidified.

The invention discloses an anti-settling cable well lid. The anti-settling cable well lid comprises a frame body and a cover body, wherein the frame body comprises a body and a flange plate, and the body comprises a mounting base and a bearing and inserting part; the flange plate comprises a horizontal pressure-bearing section and an inclined section, and a rubber strip for reducing vibration between the frame body and the cover body is arranged on the body. The anti-settling cable well lid has the advantages that the frame body is arranged into the structure of the body and the flange plate,a whole body is formed by the body and a pavement structure layer through the flange plate, the whole well lid is enabled to be a complete part of the pavement, load can be directly dispersed to the pavement structure layer, the asphalt pavement around the well lid is protected, and the settling is prevented; and the mounting base for installing the well lid and the bearing and inserting part extending into a well body are arranged through the body, the load pressure of the upper part is dispersed to the structural layer of the pavement through the flange plate, so that the load borne by the well body is enabled to be reduced by 80% or above, so that the possibility that a well mouth is damaged or the well lid sank is reduced, the flange plate plays a good role in protecting the pavement surface around the well lid, and the service life of the well lid is prolonged.

The invention relates to a cotton picker pneumatic cleaning system, belongs to the technical field of agricultural machinery and solves the technical problem that dust in the operating environment ofthe existing cotton picker causes blocking to a cyclone filter and a cleaning net. The cotton picker pneumatic cleaning system to solve the problem mainly comprises a cyclone filter, a cleaning net and a centrifugal fan; the centrifugal fan comprises a first chamber and a second chamber; a pressure in the first chamber is not equal to that in the second chamber; a first air pipe is connected to the first chamber; a second air pipe is connected to the second chamber. The cotton picker pneumatic cleaning system has the advantages that two different air forces are generated as the pressures in the first and second chambers are different, and therefore, the centrifugal fan can clean the cleaning net and the cyclone filter at the same time; dust on the cyclone filter and the cleaning net can becleaned in time, so that blocking of the cyclone filter and the cleaning net is avoided. In addition, the invention also discloses a cotton picker, comprising the cotton picker pneumatic cleaning system.

The invention discloses a hidden line baseboard structure and a construction method, and belongs to the technical field of architectural decoration. According to the technical scheme, the hidden linebaseboard structure comprises a baseboard, a connecting groove is formed in the middle of the front end face of the baseboard, the middle of the rear end face of the baseboard is fixedly connected with a connecting block matched with the connecting groove, two evenly-distributed left locating blocks are fixedly connected to the front end of the right side of the baseboard, and two evenly-distributed right locating blocks are fixedly connected to the rear end of the right side of the baseboard; a locating board is fixedly connected to the lower end face of the right side of the baseboard, multiple evenly-distributed reinforcing bars are arranged above the locating board, and connecting assemblies are arranged on the upper portions of the two left locating blocks and the upper portions of the two right locating blocks; and the two left locating blocks and the two right locating blocks are arranged on the two sides of the back face of the baseboard and can be conveniently connected with the connecting assemblies in a clamped manner, the connecting assemblies guarantee that adjacent baseboards in clamped connection cannot offset, and furthermore, the adjacent baseboards are closely attached to each other.

The invention relates to an automatic production device for water inlet pipes, which includes a frame and a conveyor belt. The frame is sequentially provided with a crimping assembly, a tightening machine, and a detection assembly. The detection assembly includes a first detection mechanism and a second detection mechanism. There is also a feeding assembly; the advantage of the present invention is that the crimping assembly, the tightening machine, and the detection assembly are arranged on the frame, and arranged in sequence along the feeding and conveying direction of the conveyor belt, and the aluminum nut of the water inlet pipe joint is realized by the crimping assembly. The crimping and tightening machine realizes the tightening connection between the water inlet pipe joint and the water inlet pipe body. The detection components respectively inspect the installation quality of the water inlet pipe joint and the sealing performance of the water inlet pipe. Due to the transmission effect of the conveyor belt, each process can form an assembly line operation, which improves the production efficiency, and does not require additional labor to transport the water inlet pipe, such as the mutual transportation between the assembly table and the inspection table, which simplifies the work intensity of the operator.

The invention discloses a magnetically-attracted type quickly-mounted section steel fitting. The fitting comprises a section steel fitting body, end covers and magnets, wherein the section steel fitting body is made by stamping a metal plate, a plurality of fixing through holes which can be matched with fixing bolts are uniformly formed in the section steel fitting body, the end covers are arranged at end parts of the section steel fitting body, the end covers and the section steel fitting body are fixedly connected, one sides of the end covers are provided with end cover positioning sliding grooves which can be matched with a curled edge of section steel, and the magnets used for being attracted to the section steel are arranged in the end cover positioning sliding grooves. According to the fitting, the end covers and the magnets are arranged on the section steel fitting, the section steel fitting is attracted to the curled edge of the section steel through the magnets, two hands of amounting worker are free, it is not needed to hold the fitting with one hand to take a tool and tighten a screw, and the screw is tightened with one hand, so that the mounting efficiency is improved,and the fixing quality is improved.

The invention discloses a fixing device for cutting of mechanical parts for intelligent production. The fixing device comprises a driving structure, a limiting structure, an operation plate, a base, a fixing structure, a first clamping plate, a second clamping plate, a push plate, a reset spring, a pull rope and an adjusting structure. The device has the beneficial effects that the limiting structure is arranged on the operation plate and can abut against the push plate, so that the driving structure can be conveniently treaded by the foot, the driving structure drives the pull rope, the pull rope pulls the push plate, the push plate drives the first clamping plate to slide towards the second clamping plate, then the device is conveniently driven by the foot, the two hands are liberated, and operation is more convenient; the first clamping plate and the second clamping plate can be matched to quickly fix smaller workpieces; and meanwhile, the reset spring is arranged between a push plate and the operation plate, so that operation is more flexible and convenient, the cutting fixing quality and efficiency are greatly improved, meanwhile, the push plate is conveniently driven through the limiting structure, the push plate is conveniently limited, and a workpiece with longer cutting time can be conveniently limited.

A fixing apparatus, an image forming apparatus, and a nip width controlling method, capable of preventing deterioration in fixing quality by controlling the nip width with high accuracy, are provided. The fixing apparatus includes a pair of fixing members that are in pressure-contact with each other and in which at least one of the members rotates to thereby form a fixing nip that sandwiches and conveys a recording medium; a moving section that moves the pair of fixing members relative to each other in a direction in which the pair of fixing members are brought into pressure-contact with each other or in a direction opposite thereto; a detector that detects rotational torque for rotating any one of the pair of fixing members; and a control section that controls the moving section such that the pair of fixing members are moved relative to each other corresponding to the detected rotational torque.