20results about How to "Realize gap adjustment" patented technology

The utility model provides a kind of cotton raw material carding equipment, comprising: base, the both sides of base top are fixedly installed with slide rail one, base is slidably installed with first framework and second framework respectively by slide rail one, screw rod one is rotatably installed in base, two groups of mounting blocks are threadedly installed on screw rod one, and mounting block is respectively connected with the bottom of first framework, second framework, and one end of screw rod one is fixedly installed with rotating part, the middle part of base top is fixedly installed with carding machine body, the inside of second framework is equipped with conveying toothed belt, the top of second framework is fixedly installed with mounting cover body, mounting cover body top is provided with installation port, and the inside of installation port is equipped with the pushing unit extending into mounting cover body. The utility model not only realizes the conveying feeding of cotton in the pushing unit, but also can pre-carding to the input cotton when feeding, ensure the uniformity when cotton feeding.

The utility model discloses a universal mechanism suitable for a quick-change nozzle and an accident flashboard system, which comprises a brick cup, an upper nozzle is nested in the brick cup, the upper nozzle is matched with a middle nozzle, the middle nozzle is arranged in the brick cup, an upper guide plate is fixed on the lower end face of the brick cup, a hanger is fixed on the right side of the upper guide plate through a bolt, and the upper guide plate is fixed on the right side of the hanger through a bolt. An oil cylinder is fixed to the hanging frame through a bolt, gas springs are further fixed to the lower end face of the upper guide plate, and two sets of gas springs are symmetrically distributed in the front-back direction relative to the center line of the upper guide plate. According to the universal mechanism suitable for the quick-change water gap and the accident flashboard system, the universal driving mechanism is adopted, different connecting mechanisms can be selected for installation and use according to actual needs, and therefore the pressure of a tundish can be effectively reduced, use of the tundish can be flexibly adjusted, the adaptability of the device is improved, and the safety of the device is improved through cooperation with the effect of a gas spring. The gap adjustment of the device can be realized, so that the actual use requirements can be better met.

The utility model relates to the technical field of oil cloth feeding, and particularly discloses a sewing machine cloth feeding mechanism which comprises a cloth feeding mechanism body, a motor is arranged in the cloth feeding mechanism, one side of the motor is fixedly connected with a driving shaft, the driving shaft is fixedly sleeved with a driving gear, one side of the driving gear is provided with a driven gear, and one side of the driven gear is meshed with a first rotating gear. A first transmission roller is fixedly connected to one side of the first rotating gear, a second transmission roller is installed on one side of the first transmission roller, a second rotating gear is arranged on one side of the second transmission roller, and an air cylinder is arranged on one side of the second rotating gear. The cloth conveying device has the beneficial effects that cloth is wound on the first conveying roller, the first rotating gear drives the first conveying roller to rotate, the cloth is conveyed, and finally the second rotating gear drives the second conveying roller to convey the cloth; the gap between the first conveying roller and the second conveying roller can be adjusted through cooperation of the air cylinder, the small gear, the large gear, the rotating rod and the short rod.

The invention relates to the technical field of automobile dual-mass flywheels, in particular to an automobile dual-mass flywheel with an adjustable bidirectional gap. Springs are correspondingly arranged in arc-shaped cavities of a primary flywheel, spring seats are arranged at the ends of the arc-shaped cavities respectively, and at least two notches are formed in the side wall of each spring seat. The circular truncated cone is arranged in the spring seat; the screw penetrates through the circular truncated cone and the partition plate and then is fixedly connected with the partition plate; the gap error between the spring and the spring seat is eliminated by adjusting the length of a protruding part of the screw penetrating through the partition plate; the stud penetrates through the circular truncated cone and is fixedly connected with the blind hole in the partition plate, and the stud on the side away from the blind hole locks the circular truncated cone through a nut. The locking mechanism is embedded in the notch and abuts against the peripheral side wall of the circular truncated cone, and the position of the spring seat in the arc-shaped cavity is locked in the axial direction and the radial direction by abutting against the positions, with different outer diameters, of the circular truncated cone. According to the dual-mass flywheel assembly, the cost is reduced, vibration can be well reduced, and the service life of the dual-mass flywheel assembly is prolonged.

The utility model discloses a positioning device of a photovoltaic assembly, the positioning device comprises a clamping assembly and a gap adjusting assembly, the clamping assembly comprises two clamping parts which are oppositely arranged in a first direction, the two clamping parts are suitable for moving towards or away from each other and selectively clamp two adjacent photovoltaic panels, and the gap adjusting assembly is used for adjusting the gap between the two adjacent photovoltaic panels. The clamping assembly is used for clamping the two photovoltaic panels so that the edges of the two photovoltaic panels can be aligned, the gap adjusting assembly is connected with the clamping assembly, the gap adjusting assembly is located in a gap between the adjacent photovoltaic panels, the gap adjusting assembly is provided with a sliding block capable of moving in the second direction, and the sliding block is suitable for moving in the second direction; therefore, the gap between the adjacent photovoltaic panels can be adjusted. Therefore, the alignment operation is realized by arranging the clamping assembly, and the gap adjustment is realized by arranging the gap adjustment assembly, so that the alignment difficulty and the gap adjustment difficulty in the assembly process of the photovoltaic module can be reduced, and the assembly efficiency of the photovoltaic module is improved.

The utility model discloses a flattening device for circuit board processing, which comprises a main body, a positioning transportation mechanism, a pre-rolling mechanism and a gap adjusting mechanism, and is characterized in that the positioning transportation mechanism comprises a positioning rail, a first connecting rod, a connecting frame, a driving gear and a positioning motor, and the mechanism can realize accurate positioning of a circuit board; the pre-rolling mechanism comprises a flexible roller, a connecting gear, a transmission belt, a driving motor and a fixed roller, and can realize primary flexible flattening of the circuit board; the gap adjusting mechanism comprises an adjusting support, an adjusting roller, a lifting motor, a two-way lead screw, a second connecting rod and a sliding block. The gap adjusting mechanism can adjust the gap between the adjusting roller and the fixed roller.

A concrete reinforcement protective layer adjustable liner comprises a first reinforcement liner and a second reinforcement liner, collection bins are formed in the first reinforcement liner and the second reinforcement liner, limiting buckle grooves are formed in the inner surfaces of the first reinforcement liner and the second reinforcement liner, buckle connecting grooves are formed in the surfaces of the top ends of one sides of the front faces of the first reinforcement liner and the second reinforcement liner, and rotating shafts are rotationally connected to the edges of one sides of the bottom ends of the front faces of the first reinforcement liner and the second reinforcement liner; a sealing connecting cover is fixedly connected to one side of the cover body, a cover body handle is fixedly connected to one side of the back face of the cover body, and a buckle connecting block is fixedly installed at the bottom end of the surface of one side of the sealing connecting cover. A plurality of reinforcing steel bars are placed in a collecting and storing bin, mounting of the reinforcing steel bars is further assisted through limiting buckle grooves, then buckle connecting blocks on a sealing connecting cover are buckled to buckle connecting grooves, sealing of a first reinforcing steel bar gasket and a second reinforcing steel bar gasket is completed, and the position of an adjusting screw rod in an adjusting connecting disc is adjusted through rotation of a rotating disc; and then the distance between the first reinforcing steel bar gasket and the second reinforcing steel bar gasket is adjusted, and gap adjustment between different protection layers is achieved.

The utility model provides an automatic cutting device for automobile ceiling fabric, which relates to the field of ceiling manufacturing and comprises a storage frame, a cutting frame and a pulling frame, a fabric leveling component is arranged on one side, close to the storage frame, of the cutting frame, a cutter component is arranged on the other side of the cutting frame, and a clamping component and a driving component are arranged on the pulling frame. When the free end of a fabric roll on the storage frame penetrates through the fabric leveling assembly to reach the clamping station, the clamping assembly is used for clamping the free end of the fabric roll, and the driving assembly is used for driving the clamping assembly to pull the free end of the fabric roll to move towards the side away from the storage frame to a set position. The cutter assembly is used for automatically cutting the free end of the fabric roll according to the set length. According to the automatic cutting device for the automobile roof fabric, automatic cutting of the fabric can be achieved, manual participation is basically not needed, the cutting efficiency is effectively improved, and it can be guaranteed that the cutting size of the fabric is accurate every time through mechanical automatic cutting.

The utility model relates to a wheel holding type transport vehicle which comprises a frame structure. The walking system is arranged at the bottom of the frame structure; the jacking mechanism is arranged on the frame structure and comprises a driving wedge plate capable of moving horizontally and a lifting wedge plate capable of moving vertically, and the driving wedge plate is in sliding fit with the wedge surface of the lifting wedge plate; the jacking mechanism and the wheel holding mechanism are arranged on the lifting wedge plate, the wheel holding mechanism is arranged on the lifting wedge plate and comprises a rear clamping piece capable of moving horizontally and a front clamping piece capable of moving vertically, and the rear clamping piece and the front clamping piece are correspondingly arranged. The jacking height of the jacking mechanism and the distance between the two clamping pieces of the wheel holding mechanism can be adjusted according to different sizes of airplane wheels, the adaptability is high, the production and maintenance cost is low, and the safety performance is high.

The utility model provides a high-precision digital display depth gauge, which comprises a base, a shell, a gauge body, a movable gate, a fixed gate, a measuring rod and a display module, and is characterized in that the gauge body is longitudinally and fixedly connected to the top of the base, and the fixed gate is arranged on the gauge body; the upper end of the measuring rod is fixedly connected to the shell, and the lower end passes through a longitudinal measuring rod through hole formed in the base; the front end of the shell is provided with a movable grid mounting groove, at least two positioning columns arranged in the front-back direction are mounted in the movable grid mounting groove, and the movable grid is slidably connected to the positioning columns through mounting holes and connected and positioned with the movable grid mounting groove through structural adhesive. According to the high-precision digital display depth gauge provided by the utility model, the gap between the movable gate and the fixed gate can be adjusted, and the measurement precision of the digital display depth gauge can be effectively improved.

The invention discloses a cable tightening device for double-row cable installation, and belongs to the technical field of cable tightening, the cable tightening device comprises a first row plate and a second row plate, the first row plate and the second row plate are connected through a tightening assembly, a first channel for clamping a cable is arranged above the first row plate, and a second channel for clamping a cable is arranged above the second row plate. A second channel used for clamping the cable is arranged above the second row plate, a first clamping assembly is arranged in the first channel, and a second clamping assembly is arranged in the second channel; the tightening assembly comprises a middle part, a through hole is formed in the plate face of the middle part, a rotating shaft is rotationally connected into the through hole, a first supporting arm is fixedly connected to the upper end of the rotating shaft, a second supporting arm is fixedly connected to the lower end of the rotating shaft, and the outer end of the first supporting arm is rotationally connected with the side wall of the first row plate. And the outer end of the second support arm is rotationally connected with the side wall of the second row plate. The gap between the two rows of cables can be flexibly and freely adjusted through the tightening assembly, the practicability is high, and the working efficiency is improved.

The utility model discloses a wire harness straightening mechanism of a wire harness terminal machine, which comprises a straightening assembly, and the straightening assembly comprises a first metal plate, a second metal plate, a driving rotating wheel and a driven rotating wheel. The adaptive adjusting assembly comprises a first limiting ring and a second limiting ring, and the driven rotating wheel is movably connected with the second limiting ring; the adaptive adjusting assembly further comprises a T-shaped bearing rod, a first threaded groove, a clamping groove and a first butterfly screw, the clamping groove is formed in the second limiting ring, and the first butterfly screw is movably connected between the first threaded groove and the clamping groove. The first butterfly screw is screwed at the first threaded groove, the second limiting ring can be pushed to move on the driven rotating wheel, and therefore the size of the limiting groove between the second limiting ring and the first limiting ring can be adjusted, the wire harness straightening device can adapt to wire harnesses of different sizes and can effectively limit the wire harnesses of different sizes when straightening the wire harnesses of different sizes, and the straightening efficiency is improved. And the straightening precision is ensured.

The utility model relates to the field of circuit breakers, in particular to a gap-adjustable circuit breaker used for researching dielectric insulation recovery characteristics under multiple thunder. The real-type circuit breaker comprises a real-type circuit breaker body, branch buses connected to two sides of the real-type circuit breaker body, and creepage increasing sleeve units connected to the two groups of branch buses. The real-type circuit breaker body comprises a shell; a real-type arc extinguish chamber is arranged in the shell; a moving contact and a static contact are arranged in the real-type arc extinguish chamber; a transmission assembly used for adjusting the gap between the moving contact and the static contact is arranged outside the shell, and the shell is further provided with an observation window used for observing the gap between the moving contact and the static contact and a test pull port with a built-in partial discharge sensor. According to the utility model, multiple lightning strokes are tested, so that theoretical analysis and simulation calculation are verified, the reclosing success rate of circuit breaker equipment under multiple lightning strokes is improved, and the operation reliability of power equipment is improved. The whole operation mode is simple and reliable, measurement is convenient, and the adjusting precision can reach 0.5 mm.

The utility model provides a sealing structure of a shaft body and a double-rotor flow meter applying the sealing structure, and particularly relates to the technical field of mechanical sealing. The sealing structure of the shaft body comprises a shell, the shaft body and a sealing assembly. A connecting part is arranged at the end part of the shaft body, the connecting part is rotationally connected to the shell through a rotating part, and at least one limiting surface is arranged at one end, close to the connecting part, of the shaft body; the sealing assembly is located between the radial outer side of the connecting part and the shell and comprises a sealing ring base, a movable sealing ring, a static sealing ring and an elastic piece. The sealing ring seat is sleeved on the connecting part; the dynamic and static sealing rings are arranged on the sealing ring seat and are positioned between the limiting surface of the shaft body and one end surface of the sealing ring seat; and the elastic piece is positioned between the other end face of the sealing ring seat and the rotating part. The double-rotor flowmeter can effectively solve the problem that in the actual using process of a double-rotor flowmeter in the prior art, the sealing effect is poor due to the fact that a sealing structure of the double-rotor flowmeter is prone to abrasion.

The present invention discloses a gas extraction system and extraction method based on a mathematical model, which relates to the technical field of gas extraction, and comprises a main drill bit, a connecting piece and a drill rod which are coaxially connected in sequence, wherein the drill rod has a water inlet channel, the main drill bit has a flushing hole, and the connecting piece has a connecting hole connecting the flushing hole and the water inlet channel; an inner rod is also coaxially fixed in the water inlet channel, a sampling assembly is provided in the inner rod for limited sliding, an accommodating hole is provided in the middle of the main drill bit, so that the sampling assembly can slide through the connecting piece and the accommodating hole for sampling; the water inlet channel can also be used as an extraction channel; and a model building assembly is also included, which is used to receive samples from the sampling assembly and analyze and model them to form a mathematical model, and the mathematical model is used to guide the gas extraction system to extract gas.

The utility model provides a kind of bed body position adjusting mechanism and position adjusting bed, solve the problem that the adjusting dimension of bed body and bed head plate mounting structure in prior art exists Single and the functional requirement problem of incompatible movable bed plate;Wherein bed body position adjusting mechanism, comprising: vertical fixing bracket, vertical fixing bracket is vertically set on bed head plate;Horizontal fixing bracket, horizontal fixing bracket is the frame structure enclosed by web and the two wing plates vertically fixed on the both sides of web, one end of web is fixed on vertical fixing bracket, horizontal fixing bracket is horizontally arranged and the extension direction is parallel with bed head plate radial fixing bracket, one end of radial fixing bracket is provided with sleeve structure adapted to frame structure, the other end is provided with sliding long slot, radial fixing bracket is horizontally arranged and the extension direction is perpendicular to bed head plate, one end of radial fixing bracket is sleeved on frame structure by sleeve structure, and bed body is slidably connected with sliding long slot.

The utility model discloses a pipe push bench with a multi-degree-of-freedom anti-rotation deviation rectifying structure, which comprises a front shell and a rear shell, the front shell is hinged with the front end of a deviation rectifying oil cylinder, the tail end of the deviation rectifying oil cylinder is hinged on the rear shell, an anti-rotation component is arranged between the front shell and the rear shell, and the anti-rotation component is connected with the front shell and the rear shell. The anti-rotation assembly comprises anti-rotation clamping grooves, anti-rotation inserting blocks and anti-rotation clamping plates. The anti-rotation clamping grooves are formed in the two sides of the front-section shell in a bilateral symmetry mode with the axis of the front-section shell as the center. The width of the anti-rotation inserting blocks is smaller than the width of the opening of the anti-rotation clamping groove, and the anti-rotation inserting blocks are arranged on the two sides of the rear-section shell in a bilateral symmetry mode with the axis of the rear-section shell as the center. The anti-rotation clamping plate is hinged to the tail end of the pin shaft and connected into the anti-rotation clamping groove in a sliding mode. According to the pipe jacking machine, the reaction torque of the cutter head can be evenly transmitted, the reliability of the deviation rectifying structure of the pipe jacking machine is improved, faults such as oil leakage and damage caused by the torque effect on the deviation rectifying oil cylinder are prevented, and the working effect of the deviation rectifying structure of the pipe jacking machine is guaranteed.

The invention discloses a supercritical carbon dioxide impeller clearance adjusting mechanism, and belongs to the technical field of thermal power generation equipment. A casing is mounted on a volute, and an adjusting rod is fixedly connected to the casing; an end cover and a bearing seat are respectively mounted on two sides of the volute; an impeller rotor is mounted in the bearing seat; an opening is formed in the end cover and used for allowing the adjusting rod to pass through; the end, away from the casing, of the adjusting rod is provided with threads, and the adjusting rod is in threaded connection with a square nut through the threads. The gap between the impeller rotor and the casing can be effectively adjusted, the collision and abrasion risk of the impeller rotor and the casing is reduced, and the efficiency is improved.