67results about How to "Reduce length dimension" patented technology

The invention discloses a forecabin structure, a bearing type vehicle body and a vehicle, the forecabin structure comprises a longitudinal structure assembly, the longitudinal structure assembly comprises a longitudinal beam assembly, the longitudinal beam assembly comprises a first longitudinal beam and a second longitudinal beam, and the first longitudinal beam and the second longitudinal beam are spaced in the first direction and extend in the second direction; the torsion box is located at one end of the longitudinal beam assembly in the second direction; the other end, located in the second direction of the longitudinal beam assembly, of the first connecting piece is provided with the first connecting piece, and the first connecting piece is connected with the first longitudinal beam and the second longitudinal beam. The longitudinal beam assembly is arranged to be of the double-longitudinal-beam structure, the rectangular frame structure is formed in the forecabin structure, and the overall strength and rigidity of the forecabin structure can be improved. While the strength and the rigidity are improved, the arrangement requirements of a large tire, a short front overhang and a short L113 can be met.

The embodiment of the invention provides a lens assembly, a camera module and electronic equipment, the lens assembly comprises two lens units, the first lens unit close to the object side is movably arranged so as to realize switching of the lens assembly between a working state and a non-working state, and when the lens assembly is in the working state, the first lens unit is not in contact with the object side. The lens assembly can realize high-quality imaging with a large aperture and a large target surface, and when the lens assembly is switched to a non-working state, the distance between the two lens units can be compressed to reduce the length and the total optical length of the lens assembly, thereby realizing the thinning of the thickness of the lens assembly and the camera module, and improving the imaging quality. In other words, the lens assembly can ensure high imaging quality in a working state and can also be miniaturized in a non-working state. In addition, the two lens units are arranged at a relatively large interval, so that the thinning of the lens assembly and the camera module in a non-working state is more obvious, the ultrathin camera module is obtained, and the thinning requirement of the electronic equipment is better met.

The utility model provides a hydraulic system of an internal welding machine. A hydraulic pump is respectively connected with a brake cylinder loop, a walking cylinder loop, a front expansion cylinder loop, a rear expansion cylinder loop and a counterpart cylinder loop; the brake cylinder loop is connected with the two ends of the brake cylinder, the walking cylinder loop is connected with the two ends of the walking cylinder, the front expansion cylinder loop is connected with the two ends of the front expansion cylinder, the rear expansion cylinder loop is connected with the two ends of the rear expansion cylinder, and the counterpart cylinder loop is connected with the multiple counterpart cylinders. A first electromagnetic directional valve and a second electromagnetic directional valve are mounted in the brake cylinder loop; a third electromagnetic directional valve and a fourth electromagnetic directional valve are mounted in the walking cylinder loop; a fifth electromagnetic directional valve and a sixth electromagnetic directional valve are mounted in the front expansion cylinder loop; a seventh electromagnetic directional valve and an eighth electromagnetic directional valve are mounted in the rear expansion cylinder loop; and a ninth electromagnetic directional valve and a tenth electromagnetic directional valve are mounted in the counterpart cylinder loop.

The present application relates to the field of plunger pump, disclose a kind of slurry separation structure and plunger slurry pump, including pump body, flow guide pipe is equipped in pump body, the middle part of flow guide pipe is equipped with the isolation ring that follows plunger movement and moves up and down with action.Pumper upper part side end is equipped with plunger channel with medium oscillation cavity communication, plunger channel is connected with packing box, packing box is equipped with plunger, which can reciprocate transversely in plunger channel, flow guide pipe is located outside the lateral of plunger activity range.The present application can separate slurry medium, and effectively avoid the full turbulence of backwash medium and slurry medium, and plunger can be removed from the front end of pump body for maintenance, due to the existence of turbulence isolation ring, effectively shorten the size of pump body, improve the reliability of pump, maintainability, reduce manufacturing cost and improve the service life of spare parts.

The invention provides an exchange box body and a packaging structure thereof, the exchange box body is a combination body formed by assembling components, the assembled exchange box body at least comprises a front wall part and a floor part, the components comprise a front wall module and a floor module, and the front wall module is connected with the floor module. The front wall module comprises a front wall part used for constructing a front wall part and a floor part arranged on the front wall part, a connecting structure used for connecting the floor module and the floor part is arranged between the floor module and the floor part, the floor part is connected with the floor module through the connecting structure, and the floor module extends backwards from the floor part. And the floor part and the floor module jointly construct a floor part. Through the structural design of the exchange box body, the exchange box body can be easily loaded into containers with the same or similar length while the use strength and the working condition adaptability of the exchange box body are ensured, so that the transportation cost is optimized.

The utility model relates to conveying device technical field more specifically, relate to a kind of lifting conveying platform, including rack, lifting adjustment mechanism and conveying belt assembly, rack is connected with lifting adjustment mechanism, lifting adjustment mechanism is connected with conveying belt assembly, lifting adjustment mechanism includes lifting power source, linkage shaft, transmission shaft and lifting assembly, the output end of lifting power source is connected with linkage shaft transmission, a pair of transmission shaft is rotatably connected with rack respectively and is set in the both sides of conveying belt assembly, linkage shaft is connected with a pair of transmission shaft transmission respectively, each transmission shaft is spaced apart and set multiple lifting assemblies along length direction, each lifting assembly is connected with transmission shaft transmission, and the moving end of each lifting assembly is connected with conveying belt assembly. Through the transmission shaft synchronous drive of both sides, guarantee the synchronism of conveying belt assembly two sides power transmission, through the multiple lifting assemblies with conveying belt assembly connection of interval arrangement, guarantee the lifting stability of conveying platform.

This utility model relates to the field of battery technology and discloses a steel-cased battery, including a cell body, a circuit board assembly, a first solder pad, and a second solder pad. A positive electrode post is disposed on the top of the cell body, and a negative electrode connection portion is disposed on the side wall of the cell body. The circuit board assembly is disposed on the top of the cell body and located between the positive electrode post and the negative electrode connection portion. The positive electrode post is electrically connected to the circuit board assembly through the first solder pad, and the negative electrode connection portion is electrically connected to the circuit board assembly through the second solder pad. This utility model achieves the following technical effects: by placing the negative electrode connection portion on the side wall of the cell body and electrically connecting it to the circuit board assembly through the second solder pad, there is no need to significantly bend the second solder pad, reducing the difficulty of battery manufacturing. Simultaneously, it effectively reduces the length of the steel-cased battery, improving battery miniaturization.

This utility model provides a folding table leg extension and locking structure, including an inner tube and an outer tube. The inner tube is fitted inside the outer tube and can slide axially along the inner cavity of the outer tube. A locking component is provided between the inner and outer tubes. The locking component enables locking and unlocking between the inner and outer tubes. It changes the original method of using a locking plate for locking and limiting. Instead, it uses an eccentric wheel to press and engage the locking block with a straight locking strip on the inner tube to lock the outer and inner tubes. By rotating the eccentric wheel, the locking block and the straight locking strip on the inner tube are separated and disengaged, thus unlocking the outer and inner tubes. This locking and unlocking connection method, which uses an eccentric pressure wheel to directly press the locking block with the straight locking strip fixed on the inner tube, can achieve fast locking and unlocking, with a stable lock and easy unlocking. It is convenient to operate and improves the convenience of adjusting the height of the folding table and the safety of use.

The present invention is applicable to the technical field of photovoltaic cell electroplating, and provides a photovoltaic cell horizontal electroplating device and method. The photovoltaic cell horizontal electroplating device includes: a plating tank filled with a plating solution, provided with an inlet and an outlet opposite to the inlet; an anode member arranged in the plating tank and located below the liquid level of the plating solution; a cell moving mechanism, used to drive the cell to move from the inlet to the outlet, so that the cell moves relative to the anode member in the plating solution to achieve electroplating; a cathode conductive component, including a rotating moving part and a plurality of cathode conductive probes arranged on the rotating moving part, and the rotating moving part can drive the plurality of cathode conductive probes to rotate synchronously, so that at least one cathode conductive probe contacts the cell and keeps synchronous movement with the cell. The photovoltaic cell horizontal electroplating device provided by the present invention can effectively improve the coating quality of the photovoltaic cell, and can greatly reduce the overall length of the photovoltaic cell horizontal electroplating device.

The utility model discloses an integrated motor hydraulic energy supply device and an automobile active suspension system, the integrated motor hydraulic energy supply device comprises a first motor assembly and a second motor assembly which are arranged side by side, and the axial first ends of the first motor assembly and the second motor assembly are respectively provided with a first hydraulic pump assembly and a second hydraulic pump assembly; a control assembly is installed on the upper side of the first motor assembly and the upper side of the second motor assembly and used for controlling the first motor assembly and the second motor assembly to work, and the first motor assembly and the second motor assembly are arranged side by side so that the length size of the whole motor hydraulic energy supply device can be reduced. And the first motor assembly and the second motor assembly are simultaneously controlled through one control assembly, installation and assembly are simple, the first hydraulic pump assembly and the second hydraulic pump assembly are located on the same side of the device, and wiring on the same side is facilitated.

The present invention relates to the field of temperature sensors, and in particular to a single-ended glass-sealed resistor temperature sensor and a manufacturing method thereof. It includes a resistor unit, a connecting wire with a connecting portion at the end thereof, wherein the resistor unit includes two resistor pins and a glass-sealed resistor head with a built-in thermistor, wherein one end of the two resistor pins is respectively connected to the two ends of the thermistor, and the other ends of the two resistor pins extend out of the glass-sealed resistor head and bend toward the glass-sealed resistor head to form a bending portion, and the two bending portions are respectively electrically connected to the connecting portion. In the present application, by bending the end of the resistor pin away from the glass-sealed resistor head and forming a bend toward the glass-sealed resistor head to form a bending portion, the OD and length size problems of the subsequent packaging of the overall product after the resistor is welded can be reduced, so that the head size OD and length of the sensor in a specific use environment can be met with more stringent requirements.

This invention discloses an electromagnet with redundant design, its usage method, and a circuit breaker. The electromagnet with redundant design includes a housing. A first moving iron core and a second moving iron core are movably disposed within the housing along its length. The first moving iron core has a through hole extending along the length of the housing. The second moving iron core is connected to an actuating shaft that moves synchronously with the first moving iron core and extends through the through hole to the outside of the first moving iron core and a first end plate. The housing contains a first coil assembly, a first stationary iron core, a second coil assembly, and a second stationary iron core. The first and second coil assemblies can be simultaneously energized to drive the first and second moving iron cores to move simultaneously. This invention fully realizes redundant design within a limited width space. The first and second moving iron cores can operate simultaneously or separately. When operating separately, safe redundancy is achieved; when operating simultaneously, a greater output force is provided, thus meeting the need for a greater tripping force.

The utility model discloses an electromagnetic shock absorber, a suspension system and a vehicle, the electromagnetic shock absorber comprises a shell, a first push rod, a second push rod and a driving structure, the first push rod and the second push rod are respectively and movably arranged on the shell, one of the first push rod and the second push rod is suitable for being connected to a vehicle body, and the other one is suitable for being connected to a wheel; the driving structure is used for driving the first push rod and the second push rod to move in the opposite directions so as to adjust the length of the electromagnetic shock absorber. Therefore, by arranging the first push rod and the second push rod, the driving structure can drive the first push rod and the second push rod to move in the opposite directions correspondingly, the response speed of the electromagnetic shock absorber can be increased, and the first push rod and the second push rod are small in length size and high in lateral strength resistance; the lateral load resistance of the electromagnetic shock absorber can be improved, and meanwhile the occupied space of the electromagnetic shock absorber in the length direction can be reduced.

The invention relates to an all-silicon-carbide low-temperature lens, a manufacturing method and application of the all-silicon-carbide low-temperature lens to a coaxial four-mirror optical infrared camera. The all-silicon carbide low-temperature lens comprises a primary lens, a secondary lens, a third lens and a fourth lens. The primary mirror and the fourth mirror are arranged in a back-to-back manner and structurally form an integrated structure of the primary mirror and the fourth mirror, namely, the primary mirror and the fourth mirror; the main fourth mirror and the third mirror are respectively connected to two ends of a lens bearing cylinder, and the secondary mirror is connected with one end, provided with the main fourth mirror, of the lens bearing cylinder through a secondary mirror supporting rod assembly; the main fourth mirror, the secondary mirror, the third mirror, the secondary mirror supporting rod assembly and the lens bearing cylinder are made of silicon carbide materials. The whole silicon carbide lens structure shrinks integrally in a low-temperature environment, athermalization design of a lens light machine is achieved, and low-temperature stability and adaptability of the lens are improved. The lens bearing cylinder improves the structural rigidity and stability of the lens, serves as a low-temperature cold shield, inhibits external stray light, and improves the signal-to-noise ratio of the lens.

The invention discloses an annealing device for silicon wafer coating post-treatment, comprising: an annealing furnace having a feed port, a discharge port, an air inlet assembly and five cavities, the five cavities being a heating transition cavity, a heating cavity, a heat preservation cavity, a cooling cavity and a cooling transition cavity, the horizontal plane projection of the heating cavity being U-shaped; the conveying mechanism comprises a transfer assembly and two conveying assemblies, and each conveying assembly comprises a driving unit and a conveying roller; and the on-off assembly is arranged between the two adjacent cavities and has an intercepting form and a passing form. According to the annealing device for silicon wafer coating post-treatment, the length size of the heat preservation furnace is reduced through the U-shaped heat preservation cavity, connection and disconnection of the two adjacent cavities are controlled through the on-off assembly, heat energy diffusion is reduced, transition is achieved through the heating transition cavity and the cooling transition cavity, the heat energy utilization rate is increased, meanwhile, the material temperature change rate is slowed down, and the service life is prolonged. The annealing quality is improved.

The invention discloses integrated compact screw and reciprocating compressor unit equipment, and belongs to the technical field of oil and gas field exploitation equipment, the integrated compact screw and reciprocating compressor unit equipment comprises a motor, and a mounting channel is formed in a rotor; the screw compressor is provided with a first compressor shaft, and the first compressor shaft is rotatably arranged at one end of the mounting channel in the axial direction; the reciprocating compressor is provided with a second compressor shaft, and the second compressor shaft is rotatably arranged at the other end of the mounting channel in the axial direction; the linkage device is arranged in the mounting channel and is suitable for connecting the rotor with the first compressor shaft and the second compressor shaft. According to the designed compressor unit equipment, the length size of the compressor unit equipment in the axial direction is small, so that the compressor unit equipment is more compact in structure, the installation space occupied by the compressor unit equipment is reduced, layout of other parts of oil and gas field exploitation equipment is facilitated, and meanwhile the size of the oil and gas field exploitation equipment can be reduced.

The utility model provides a glasses leg and intelligent glasses, the glasses leg comprises a glasses leg main body piece, an ear hanging piece, a mounting piece and a conductive connecting piece, the glasses leg main body piece is a cylindrical integrally formed structure with two through ends, and the ear hanging piece is hermetically connected with a through opening at the rear end of the glasses leg main body piece; the mounting piece is inserted into the glasses leg main body piece along the glasses, and the front end of the mounting piece is in sealed connection with a through hole in the front end of the glasses leg main body piece; a sound outlet avoiding hole is formed in the mounting piece, and the sound outlet avoiding hole and the sound outlet hole are sealed; the front end of the conductive connecting piece is led out through the front end of the installation piece and is sealed with the front end of the installation piece. The size of the sealing surface of the glasses leg is greatly reduced, so that the sealing difficulty is reduced; the length of each part of the glasses legs is relatively reduced, so that the glasses legs are not easy to deform during forming, and the adverse effect of deformation on the waterproof reliability of splicing assembly and splicing positions can be reduced.

The invention discloses an ultra-wide spectrum band long focal length star sensor optical system, comprising a front lens group, a reflector group, a rear lens group and an image plane arranged in sequence from front to back along a light incident direction, wherein the front lens group comprises a first lens and a second lens arranged in sequence from front to back, and the rear lens group comprises a third lens and a fourth lens arranged in sequence from front to back; the reflector group comprises a secondary reflector and a primary reflector arranged in sequence from front to back, wherein the secondary reflector is a convex reflector and the primary reflector is a concave reflector; the optical system adopts a catadioptric optical system structure based on a spherical optical element, and by folding an optical path with two reflectors, a design result can be obtained in which the length of the optical system is much smaller than the focal length, thereby effectively realizing lightness and miniaturization and improving the efficiency of collecting star light signals.

The utility model discloses an engine which comprises an engine cylinder body, an engine cylinder cover, an electronic water pump and double thermostats, the engine cylinder cover is arranged on the engine cylinder body, and the electronic water pump and the double thermostats are arranged outside one side of the engine cylinder body side by side. One end of the engine cooling circulation flow channel is connected with a water outlet of the electronic water pump, the other end of the engine cooling circulation flow channel is connected with a water inlet of the double-thermostat, and a water outlet of the double-thermostat is connected with a water inlet of the electronic water pump; moreover, the engine cooling circulation flow channel is arranged in the side wall of the engine cylinder body and the side wall of the engine cylinder cover, and when the engine cylinder cover is fixed to the engine cylinder body, the engine cooling circulation flow channel is a semi-annular flow channel. The whole engine cooling circulation flow channel is integrated in the engine cylinder cover and the engine cylinder body, the size of the engine is smaller, and the requirements for compactness and integration of the engine are met.

The utility model relates to the technical field of gasket discharging machines, and discloses a novel gasket distributing mechanism which comprises a supporting seat, lengthened linear bearings are fixedly arranged on the two sides of the supporting seat, a supporting plate is fixedly arranged between the tops of the two lengthened linear bearings, and a gasket charging barrel is fixedly arranged on the top of the supporting plate. A brush connecting piece is movably arranged in the gasket charging barrel, and a scrubbing brush is fixedly arranged on the surface of the brush connecting piece. The motor is connected with the brush connecting piece to drive the scrubbing brush to brush the gaskets into the guide holes, the scrubbing brush is adopted to push the gaskets, the abrasion resistance degree is remarkably improved compared with that of a soft brush, the gaskets are attracted through the powerful magnets, then the gaskets are distributed and pushed out, the upper air cylinder and the lower air cylinder drive the material distributing mechanism to ascend and descend, and therefore the gaskets are evenly distributed. And the gasket is placed at a position where the gasket needs to be installed. The size of the whole material distributing mechanism is reduced, sufficient manual operation space is reserved, riveted products with larger sizes are assembled, the application range is wider, and the problem that the use requirements of people cannot be well met is solved.

The utility model discloses a longitudinal front -drive hybrid transmission, include: input shaft, generator, drive motor, first gear mechanism, shift mechanism, first shift gear group, second shift gear group and power output mechanism, and the rotor of generator is connected with the rotor of input shaft through engine, and the clutch is set up in the rotor of generator, and the rotor of drive motor is connected to one end of clutch, and the rotor of drive motor is connected to the other end of clutch, the coaxial setting of generator and drive motor is connected with shift mechanism through the motor shaft of drive motor with first gear mechanism, and first shift gear group and second shift gear group are connected with power output mechanism. The utility model provides longitudinal front -drive hybrid transmission, sets up the clutch in the rotor of generator, does not occupy transmission axial dimension, further reduces transmission volume, can satisfy longitudinal car type four -drive in the front axle power generation and drive function, has realized higher power integration design and small -size design.

The utility model relates to the field of material fatigue testing devices, in particular to a small-sized rotary bending fatigue testing machine, which comprises a rack assembly, a high-speed main shaft, a loading assembly, a detection assembly and a control system, and is characterized in that a main shaft motor and the high-speed main shaft are arranged on the rack assembly and are in transmission connection through a belt transmission assembly; the output end of the high-speed main shaft is provided with a clamping assembly for clamping a sample, the loading assembly is used for being hung at the other end of the sample, and the control system is used for controlling the main shaft motor to stop rotating when the number of rotation turns of the sample detected by the detection assembly reaches a preset number of rotation turns or the sample is broken. According to the utility model, the structural complexity of the whole device is simplified, so that the device is simple in structure, accurate in loading and stable and reliable in operation.

To provide a technique capable of reducing the length of a portion of a terminal-equipped electric wire disposed in a cavity of a connector housing. A terminal-equipped electric wire includes a covered electric wire including a conductor core and an insulating covering covering the conductor core; a joint terminal connected to the conductor core; a connector terminal connected to a counterpart terminal; a single-core relay conductor having one end connected to the joint terminal and the other end connected to the connector terminal; and a sealing member covering an intermediate portion of the relay conductor. A wire barrel of the joint terminal is crimped to the conductor core and the relay conductor at the same position in a length direction of the joint terminal.

The utility model relates to a busbar assembly and a motor comprising the busbar assembly. The busbar assembly includes a first phase busbar, a second phase busbar, a third phase busbar, and a neutral point busbar. The first phase busbar comprises a first phase main body part and at least one first phase connecting part; the second phase busbar comprises a second phase main body part and at least one second phase connecting part; the third-phase busbar comprises a third-phase main body part and at least one third-phase connecting part; the neutral point busbar comprises a neutral main body part and a neutral connecting part; the first phase body portion, the second phase body portion, and the third phase body portion are disposed within a first level, the neutral body portion is disposed within a second level closer to the stator winding, and the first level is offset from the second level by a distance in an axial direction of the stator winding. According to the busbar assembly, the reliability of motor installation is ensured, the overall arrangement of the busbar assembly is compact, and the overall height of the busbar assembly is effectively reduced.

The invention relates to an array substrate and a preparation method thereof, a display panel and a display device, the array substrate comprises a substrate, a light shielding layer and an array layer, and the light shielding layer is arranged on one side of the substrate in the thickness direction of the light shielding layer; the array layer is arranged on the side, away from the substrate, of the shading layer in the thickness direction, the array layer comprises a spacing part and a plurality of transistors, each transistor comprises a first electrode, a second electrode and an active layer, and a first conductive part and a second conductive part are arranged on the two sides, in the thickness direction, of the spacing part; the first electrode is connected with the first conductive part, the second electrode is connected with the second conductive part, the two ends of the active layer are connected with the first conductive part and the second conductive part respectively, and the orthographic projection of the shading layer on the substrate covers the orthographic projection of the active layer on the substrate. The embodiment of the invention provides an array substrate and a preparation method thereof, a display panel and a display device, which can improve the overall light transmittance of a screen on the basis of forming shading protection for an active layer in a transistor.

The application relates to the technical field of back contact cells, in particular to a back contact cell, a back contact laminated cell and a photovoltaic module. The back contact cell comprises a body, a first fine grid, a second fine grid, a harpoon structure and a spacer arranged on the body. The first fine grid and the second fine grid both extend along a first direction. The harpoon structure is in contact with the first fine grid in a third direction, that is, the harpoon structure is used for transmitting the current collected by the fine grid to the main grid. The harpoon structure can reduce the length of the main grid in the second direction, thereby reducing the material cost of the main grid. Meanwhile, the photo-generated current of the fine grid between the edge of the main grid and the body can be transmitted to the main grid by the harpoon structure, thereby improving the current collection efficiency of the edge position of the back contact cell. In the third direction, at least part of the structure of the spacer is located between the second fine grid and the harpoon structure, thereby reducing the risk of short circuit caused by the electrical connection of the first fine grid with the second fine grid through the harpoon structure.

The embodiment of the utility model provides a kind of leakage protection circuit breaker, it is related to low-voltage electrical apparatus technical field.The utility model provides the leakage protection circuit breaker including shell and operating handle and plug-in terminal distributed in the both ends of shell along first direction, it also includes the circuit breaker body, leakage detection mutual inductor, leakage execution module and control circuit board being set in shell, first cavity and second cavity are divided in shell along second direction, leakage execution module and control circuit board are located in first cavity, circuit breaker body is set in second cavity, leakage detection mutual inductor is penetrated in first cavity and second cavity;First direction and second direction are perpendicular.The utility model can reduce the length size of leakage protection circuit breaker, effectively reduce the overall volume of circuit breaker body, so that the leakage circuit breaker protection device provided by the utility model is compact in structure, and the volume is smaller, and good installation and use effect can be realized in small space.

This utility model provides a circular potting control board, belonging to the field of electrical component technology, including a control board assembly. The control board assembly consists of a shell. This utility model, by designing the shell, circuit board assembly, and heat-dissipating aluminum substrate in a circular shape, perfectly matches the circular installation space of the screw pump, making full use of the installation space. Compared with a square potting control board, it reduces the length dimension, alleviates the limitation of pump length space, and adapts to a wider range of pump specifications. The circuit board assembly is installed inside the shell for control. A potting compound layer is laid on the surface of the circuit board assembly inside the shell, providing double protection from the shell and external factors such as dust, water, oil, and mechanical vibration, effectively resisting the influence of these factors and providing a good working environment for electronic components. This greatly improves the reliability and service life of the control board. The heat-dissipating aluminum substrate contacts the circuit board assembly for effective heat transfer, resulting in a larger heat dissipation area and better heat dissipation effect compared to existing square structures.

The utility model provides a kind of automobile leather drying equipment, including shell, first conveying roller subassembly, second conveying roller subassembly, heating component, exhaust fan and exhaust pipe, first conveying roller subassembly horizontal rotation is installed in the inner chamber bottom end of shell, first conveying roller subassembly is connected with feed inlet, first conveying roller subassembly is used to convey leather to enter the inner chamber of shell;Second conveying roller subassembly is reversely outputted outside using parallel arrangement in the upper of first conveying roller subassembly, hot air generated by heating component is heated and dried to leather in the conveying process of leather in the inner chamber of shell, using first conveying roller subassembly and second conveying roller subassembly parallel arrangement, the overall length size of equipment can be effectively shortened, the length occupied area of site is reduced, under the premise of guaranteeing leather conveying speed, still make leather in the inner chamber of shell have corresponding drying time, guarantee the drying effect of leather.

The invention relates to the technical field of wheels, aims to solve the problem of how to improve the position precision of an inflating valve after an inner tube tire and a section steel wheel are assembled, and provides a wheel and an inner tube tire assembly. The wheel comprises a rim and an inflating valve fixing part. An inflating valve groove is formed in the rim and used for allowing an inflating valve to penetrate through. The inflating valve fixing part is arranged on the periphery of the inflating valve groove, the inflating valve fixing part is integrally connected with the rim, and the inflating valve fixing part is used for limiting the position of the inflating valve on the wheel. The wheels comprise tires and wheels. The tire comprises an inner tube and an inflating valve which are connected. The inflating valve penetrates through the inflating valve groove and is attached to the inflating valve fixing part in the radial direction. According to the wheel, the inflating valve fixing part is integrally connected with the rim, so that the effect of improving the position precision of the inflating valve is achieved. According to the wheel, the inflating valve fixing part and the rim are integrally connected, so that the inflating valve fixing part can be prevented from falling off, the assembling work of the inflating valve fixing part and the rim is reduced, and the production cost is reduced.