61results about How to "Realize semi-automatic control" patented technology

The invention relates to a green building comprehensive detection device based on Zigbee. The green building comprehensive detection device comprises a support, a data acquisition module, a Zigbee wireless transmission module, a mobile power supply, a transformation module and an upper computer. The data acquisition module, the Zigbee wireless transmission module, the mobile power supply and the transformation module are all installed on the support, the mobile power supply and the transformation module are connected with the data acquisition module and the Zigbee wireless transmission module respectively through a power line, and the data acquisition module is connected with the upper computer through the Zigbee wireless transmission module. Compared with the prior art, the green building comprehensive detection device has the advantages that various detection functions are integrated, various detection data are integrated through a Zigbee wireless data transmission technology, semi-automatic control of a detection instrument is achieved, detection early-stage preparation work is effectively reduced, an assembled structure is adopted, and the green building comprehensive detection device is easy to demount and assemble and convenient to carry.

The invention relates to a locking device and particularly relates to a bandage locking mechanism which comprises a button, a bandage, a housing, a drive structure and a locking structure, wherein the drive structure is held in the housing, the housing comprises a first housing, a through hole is formed in the first housing, the button passes through the through hole and can move along the axial direction or rotate along the circumference in the through hole, the button and the drive structure are stacked up and fixedly arranged, the drive structure moves along with the button and drives the bandage to stretch so as to adjust the length of the bandage, the locking structure is held in the housing and is fixedly connected with the drive structure, and the locking structure is matched with the first housing and used for locking the positions of the button and the drive structure so as to limit the driving of the button and the drive structure. The locking device has the advantages of saving space, realizing semi-automatic control, and being steady in structure transmission and excellent in locking and fine adjustment effects.

The invention discloses an electric turning bed for patients suffering from burns and scalds and a treating method. The electric turning bed is composed of a thermal radiation device, a bed board lifting device, a bed board turning device, a bed board up and down device and a bed board conveying device. The invention further discloses a treatment method by means of the electric turning bed for the patients suffering from the burns and scalds. According to the electric turning bed for the patients suffering from the burns and scalds, the turning mechanism achieves full automatic and semi-automatic control, and use is convenient; after an outer casing is arranged on the equipment, aseptic isolation or special treatment can be adopted inside, non-contact operation can be achieved for both passing in and out, non-contact type turning or changing is achieved, and the situation that the patients are infected with gems carried by medical staff is avoided.

The invention discloses a double-layer permanent magnet type axial eddy current recoil and counter-recoil device. The double-layer permanent magnet type axial eddy current recoil and counter-recoil device comprises a supporting mechanism, an eddy current damping mechanism and a counter-recoil mechanism. The eddy current damping mechanism comprises an inner-layer permanent magnet, an outer-layer permanent magnet and an outer-layer magnetic conductive block. Each of the inner-layer permanent magnet and the outer-layer permanent magnet is of an annular cylinder structure. The inner diameter of the outer-layer permanent magnet is larger than the outer diameter of the inner-layer permanent magnet, and the inner-layer permanent magnet and the outer-layer permanent magnet are coaxially arranged. The supporting mechanism provides supporting and moving guidance for the counter-recoil mechanism. A round pipe of the counter-recoil mechanism is located between the inner-layer permanent magnet and the outer-layer permanent magnet and moves relative to the inner-layer permanent magnet and the outer-layer permanent magnet. The device is high in damping coefficient, the suffered impact loads during work of a transmitting device can be buffered, the recoil displacement and the counter-recoil speed of the transmitting device can be effectively reduced, and the counter-recoil function is achieved.

The invention discloses a semi-active electromagnetic particle damping shock absorber for a railway vehicle, and belongs to the technical field of vehicle shock absorption. A certain shock absorption effect is achieved on transverse vibration and longitudinal vibration while vertical shock absorption is provided. The semi-active electromagnetic particle damping shock absorber comprises an upper cover plate type connector, a lower cover plate type connector, a rubber spherical hinge, pin shafts, an external round spring, a shell, shock absorption particles, wear-proof metal separation layers and inductance coils. The shell is divided into an upper groove and a lower groove, the wear-proof metal separation layers are arranged in the upper groove and the lower groove, the shock absorption particles of a certain volume and lubrication oil of a certain amount are arranged in the separation layers, and the inductance coils are arranged in the wear-proof metal separation layers and the grooves. The upper connector is fixedly connected with one end of the shell. The lower connector and the other end of the shell are welded. The rubber spherical hinge and the pin shafts are assembled, and the shock absorber and a bogie are connected together according to standards. Through the damping effect generated by collisions between the particles and collisions between the particles and the wall of the shell, vibration transmission from wheels to a framework is rapidly attenuated, and the good shock absorption effect in different directions is achieved. Meanwhile, the size of an electrification magnetic field can be changed according to changes of a running line, then the damping value of the shock absorber is changed, semiautomatic control over the damping effect is achieved, high reliability and large safety redundancy are achieved, and the semi-active electromagnetic particle damping shock absorber adapts to various severe environments.

The invention discloses a novel lightweight electromagnetic self-piercing riveting gun. According to the riveting gun, a coil carrier is fixedly arranged at the bottom of a fixing plate; a rubber cushion pad is fixedly arranged on the fixing plate; a buffer block is fixedly arranged on the rubber cushion pad; a spring pressing block is fixedly arranged on the fixing plate; a guide cylinder is fixedly arranged on the spring pressing block; a connecting seat is fixedly arranged on the upper part of the guide cylinder; ring grooves are distributed in the lower part of the coil carrier in a ladderform; electrically-connected coils are shaped like rings corresponding to the ring grooves and are respectively fixedly arranged in the ring grooves; and guiding holes are formed in the fixing plateand the coil carrier. The riveting gun disclosed by the invention has that advantages that the structure is simplified; the manufacturing cost is reduced; the frequency and the magnitude of currents are increased; the forming force is increased; the shock absorption effect is obvious; the recoil force is remarkably reduced; the consistency of workpiece riveting is well guaranteed; and the rivetinggun is suitable for production lines for automatically connecting workpieces.

The invention discloses equipment for reconnoitering and field sampling in a soft soil region. The equipment comprises a bearing platform, a sampling power system, a sampling device, a hole-forming device, a hole-protecting device, a power generator and a transport device, wherein the transport device is used for transporting the bearing platform to a work place; the hole-forming device is used for forming a sampling hole in the bearing platform; the hole-protecting device is arranged in the hole formed by the hole-forming device; the sampling device is used for obtaining a soil sample in a position with the distance of 15-80 cm from the lower part of the bottom elevation of the sampling hole. The invention further discloses a method for sampling by the equipment for reconnoitering and field sampling in the soft soil region. According to the equipment and the method, the reconnoitering and sampling operations can be carried out in the soft soil region with very high water content and very low bearing capacity, and the high-grade undisturbed soil sample can be obtained.

The invention discloses a process for machining silica gel extrusion flexible lamp strips. The process includes steps of a, adhering LED lamp beads and other components on FPC (flexible printed circuit) boards and carrying out reflow welding; b, welding the FPC boards to obtain long boards in lead-free manual welding modes; c, carrying out aging impact on the FPC boards which are welded to obtain the long boards; d, carrying out extrusion pre-machining on the FPC boards which are qualified during aging impact; e, carrying out extrusion on the FPC boards by the aid of solid silica gel mixtures and extrusion dies which are matched with one another, and curing the FPC boards by the aid of baking furnaces; f, cutting semi-finished products obtained at the step (e) from connecting sheets of the semi-finished products to shorten the semi-finished products and mounting upper plugs to completely machine the silica gel extrusion flexible lamp strips. The process has the advantages that the waterproof and damp-proof performance, the luminance uniformity and the color temperature consistency of the LED flexible lamp strips can be effectively guaranteed, and accordingly the process has extremely high practical value.

The invention discloses a self-aligning grinding surface nanocrystallization device. According to the device, surface nanocrystallization of a metal material is induced by means of the principle that grain refinement is caused by plastic deformation. The device is mainly composed of a top variable-speed belt wheel set, a middle driving shaft system, a grinding head assembly, a working table capable of achieving horizontal feeding and longitudinal feeding, and an integrated framework, wherein connection of a main shaft variable-frequency and variable-speed motor and a grinding head system is achieved through the middle driving shaft system, and automatic alignment of a grinding head is achieved through a ball-cage type universal joint. Lead screws on the two sides of the device are in matched transmission with a nut in a middle cross beam where a main shaft motor is located to achieve vertical movement of the middle shaft system, so that the surface of a plate is pressed. Guide rails in the horizontal direction and longitudinal direction are arranged on the working table to achieve bidirectional feeding, and a workpiece clamp is installed on the upper portion of the working table. According to the device, machining efficiency and operation user friendliness are improved greatly, and nanocrystallization effect is good.

The invention discloses an air flotation platform device. The air flotation platform device comprises a tabletop (1); the tabletop (1) is provided with multiple air flotation slide blocks (14); an airflotation platform middle plate (2) is connected with an air flotation platform upper-layer plate (3) through an air flotation bearing (6); and the air flotation slide blocks (14) are provided with the air flotation platform middle plate (2). The air flotation slide blocks (14) and an air way of the air flotation bearing (6) are arranged in a communicating manner; an upper-layer plate lower cutter groove (4) is formed in the air flotation platform upper-layer plate (3); baffle plates (5) are arranged around the tabletop (1); the air flotation platform middle plate (2) is provided with an airflotation bearing base (6); and the upper ends of the air flotation slide blocks (14) are connected with the air flotation platform middle plate (2) through screws. Through a pressure difference between air flotation upper and lower surfaces and cooperation of the air flotation bearing, the air flotation platform upper-layer plate can float, so that the plate position adjustment and tool setting problems in plate boring are solved.

The invention relates to the technical field of loading and transportation, and discloses a container for improving the loading efficiency of goods. The container comprises a container body and container inner hoisting equipment arranged in the container body; the container inner hoisting equipment comprises two end beam guide rails which are correspondingly arranged at the top of the container body; a cross beam guide rail capable of sliding relative to the end beam guide rails spans guide rail grooves of the two end beam guide rails; a scooter is arranged in a guide rail groove of the crossbeam guide rail; a hoist crane is arranged on the scooter; and a first sliding driving part of the cross beam guide rail, a second sliding driving part of the scooter and a lifting driving part of thehoist crane are in signal connection with a control handle correspondingly. The container is used for cargo loading.

The invention provides a semi-automatic vibrating table, which relates to the technical field of vibrating device. The transmission device of the semi-automatic vibrating table includes an electrical machine arranged in the box; the output end of the electric machine connects with eccentric wheels through components of belt pulley; the vibrating device includes some groups of elastic components uniformly arranged between the workbench and the top surface of the box, and the workbench is provided with lifting components vibrating in concert with eccentric wheels; the holding device includes two groups of workbench bases arranged on the workbench, and one group of the workbench bases provided with an angular cylinder; the air-blowing device includes some air holes arranged on the workbench and an air pump using to convey gas to air holes; the controlling device includes an electric control system playing a role in controlling and a hand valve using to open and close the electric control system. The semi-automatic vibrating table realizes semi-automatic controlling through a compounding practice between the hand valve and the electric control system, in order to adjust vibrating frequency, amplitude and vibration time, and to realize final cleaning through removing dust by the air-blowing device.

The invention relates to an aerated detector of a damper of an oil seal type. The detector adopts hydraulic and pneumatic driving technologies, a left air chamber clamping damper and a right air chamber clamping damper are driven by a hydraulic cylinder so as to form a closed air chamber space at the aerated part of the damper; the aerated gas circuit of the two air chambers is controlled by an aerated valve to switch on or off; and gases (special gases) required by the process are aerated into a damper gas storage chamber by an air needle. A pneumatic detection device is arranged above, and the pressure head of the device is arranged to be lower than the highest part of the popping connecting rod of the damper and higher than the lowest part of the compressed connecting rod of the damper so that the connecting rod is blocked by the pressure head and can not be fully popped, and the counter force value of the connecting rod of the damper is reversely measured. The whole motion process can be automatically controlled by utilizing the programming of a PLC (Programmable Logic Controller), and the pre-pressure distance of the pressure head can be solely set. The detector is designed and produced according to the practical production conditions of a current damper industry and can meet the assembly need of main dampers in domestic markets, thereby being unnecessary special equipment for the special production of aerated dampers.

The invention discloses an FPC-based silica gel extrusion molding adhesive dispensing LED neon light belt processing technology. The technology comprises the following steps that a, LED light beads and other parts are pasted on an FPC soft board, and reflow welding is conducted; b, the FPC soft board is welded into a long board in a lead-free manual welding mode; c, the FPC soft board welded into the long board is subjected to ageing impact; d, the qualified FPC soft board obtained through ageing impact is subjected to pre-extrusion-molding machining; e, the FPC soft board is subjected to extrusion molding through solid silica gel matched with an extrusion mold, and solidification is conducted through a baking oven; f, adhesive is dripped into a groove of the extrusion-molded FPC soft board twice, bubbles are removed through a heat air gun, and then baking solidification is conducted; and g, a semi-finished product in the step (6) is cut short from the connection piece position of the semi-finished product, a plug is installed, and processing is completed. Through the process, waterproofness, moisture proofness, luminance uniformity and color-temperature consistency of an LED neon light belt can be effectively ensured, and very high practical value is achieved.

The invention relates to a welding grounding mechanism for H-type steel horizontal assembly and welding all-in-one machine which comprises a conductive block, a tension spring, an oscillating bar, a cylinder Y-type joint, a double-lug cylinder and an insulation plate, wherein a fixed seat is connected with the double-lug cylinder through a third axis pin; the cylinder Y-type joint is connected with the double-lug cylinder and the oscillating bar, namely, the double-lug cylinder drives the oscillating bar; one end of the oscillating bar is connected with the fixed seat through a second axis pin, the other end of the oscillating bar is connected with a linkage seat through the first axis pin; the linkage seat is connected with the conductive block through a bolt; the tension spring is connected with the linkage seat so as to play a role in fine adjustment; the fixed seat is provided with a formica sleeve and the insulation plate, the fixed seat is tightly connected with the formica sleeve and the insulation plate through bolts; and the thread hole of the conductive block is connected with the negative electrode of a power supply of a welder. The mechanism has a simple structure, the conductive block is pushed by the cylinder so as to act, can be retrieved when no workpiece exists and can be compacted when a workpiece exists, thereby realizing semiautomatic control; and through the adjustment of the spring, the contact stability of the conductive block and the workpiece can be ensured.

The invention discloses a highway guardrail mounting device and a using method thereof. The highway guardrail mounting device comprises a vehicle body, a grabbing arm, a supporting arm I, a supportingarm II, a clamping mechanism and a remote controller. The grabbing arm can grab the guardrail and place the guardrail into the clamping mechanisms above the supporting arm I and the supporting arm II, and the grabbing arm can move front and back and move up and down. The supporting arm I and the supporting arm II can move left and right, up and down and front and back. A clamping mechanism is arranged above each of the supporting arm I and the supporting arm II through a torsional spring; angle adjusting mechanisms arranged in the torsion spring and the clamping mechanism enable the front-back position and the up-down position of the guardrail to be finely adjusted, and a clamping air cylinder in the clamping mechanism can guarantee that the guardrail can be dragged left and right and cannot fall off from the clamping mechanism; and control keys used for controlling the device are arranged on the remote controller. The device is used in cooperation with the using method so that semi-automatic control of the device can be achieved. The device has the characteristics of being high in working efficiency, easy and convenient to operate, accurate in positioning and capable of finely adjusting the position of the guardrail.

The invention discloses a wind wheel roller press. The wind wheel roller press comprises a machine frame, an upper rolling wheel mechanism and a lower rolling wheel mechanism. The lower rolling wheel mechanism is arranged on a table board of the machine frame. The upper rolling wheel mechanism is arranged above the lower rolling wheel mechanism. The lower rolling wheel mechanism comprises lower rolling wheel devices, gear stands, an axial limiting device and a driving device used for driving all the lower rolling wheel devices to rotate. The gear stands are arranged at the two sides of the table board of the machine frame and comprise a base plate and two side plates. The base plate is provided with the axial limiting device in a sliding mode. At least two sets of the lower rolling wheel devices are installed between the two side plates. The upper rolling wheel mechanism comprises a machine board, screw rod bases, upper rolling wheel devices, short guide pillars, long guide pillars and a lifting mechanism used for driving the upper rolling wheel devices to be vertically lifted up and down on the short guide pillars and the long guide pillars along with the screw rod bases. The screw rod bases are installed at the two sides below the machine board through the short guide pillars and the long guide pillars in a sliding mode correspondingly. The upper rolling wheel devices are installed between the two screw rod bases. By means of the wind wheel roller press, one-time rolling can be achieved in place, and the wind wheel roller press can be used for rolling different models of products.

The invention relates to a burning pulp cooling device for producing fermented bean curds. The burning pulp cooling device comprises a stirring barrel cover (1) and a stirring barrel (5), wherein the stirring barrel cover (1) is arranged to be of a semi-arc-shaped cover-type structure and is respectively provided with an observation window (2), an air outlet hole (3) and a pulp injection pipe (4); the stirring barrel (5) is of a cylindrical structure with an interlayer; an opening is formed in the upper portion of the stirring barrel (5), the opening and the stirring barrel cover (1) are combined in a covering mode, or the opening is connected with a screw opening. A motor support (24) is arranged at the opening in the upper portion of the stirring barrel (5), a gear motor (10) is fixedly arranged on the motor support (24), a stirring shaft (11) is connected below the gear motor (10), and the lower end of the stirring shaft (11) is fixedly connected with a stirring shaft support (21). The burning pulp cooling device has the remarkable advantages of being convenient to operate, stable and reliable in structure, sufficient and even in stirring and convenient to use, and saving energy. The burning pulp cooling device of the structure can be widely popularized in fermented bean curd production plants, and the production quality and the production yield of fermented bean curd can be greatly improved.

A timber frame semi-automatic inclination adjustment resetting device is provided with a box base, a machine body column, a counterforce frame, a pulley device, a cross arm, a synchronous hydraulic jacking device, a double-acting hydraulic oil cylinder and a mechanical hoop. A hydraulic pump station is arranged in the box base, and the machine body column and the counterforce frame are fixed on the box base. The top of the machine body column is connected with the middle of the cross arm through a cross-shaped hinge. The double-acting hydraulic oil cylinder is arranged at the front end of the cross arm, and a piston rod of the double-acting hydraulic oil cylinder stretches out of the cross arm. The piston rod of the double-acting hydraulic oil cylinder is connected with the mechanical hoop through a cylinder pin. The rear end of the cross arm is hinged to a pulley in the pulley device. The pulley can horizontally move in a plane of the pulley device at will. The synchronous hydraulic jacking device is arranged on the inner side of the counterforce frame and used for controlling lifting of the pulley device. The hydraulic pump station is connected with the double-acting hydraulic oil cylinder and the synchronous hydraulic jacking device through oil delivery pipelines respectively. The timber frame semi-automatic inclination adjustment resetting device is used for achieving automatic and precise control over inclination adjustment of an ancient architecture timber structure column grid, and timber architectures are repaired and protected better.

The invention discloses an indoor environment intelligent control system for controlling and monitoring working of an indoor ventilation system, a constant-temperature and constant-humidity system, and a lighting system. The system is composed of a monitoring module, a drive control module, a central processing module, an alarm module, a human-computer interaction module, a communication module and a recording module. According to the system, the indoor air, temperature, humidity, and brightness are monitored in real time; according to monitoring results, working of a ventilation system, a constant-temperature and constant-humidity system, and a lighting system is controlled in real time, so that the indoor working and living environments can be adjusted conveniently. Therefore, a stable and good indoor environment is provided for people indoors; and thus people indoors can be healthy physically and mentally all the time. The alarm module is used for carrying out alarming on an abnormal indoor environment situation, so that people indoors can obtain the abnormal situation timely and thus carry out trouble shooting; and thus reliability of working of a ventilation system, a constant-temperature and constant-humidity system, and a lighting system is guaranteed.

The invention discloses a tea making machine which comprises a weighing module, a water boiling module, a tea making module, a tea storage module and a tea discharging module. The water boiling module is used for providing hot water and warm water; the tea making module comprises a tea making pot assembly and a water injection assembly. The tea making pot assembly comprises a pot body and a filter element which is arranged in the pot body and used for containing tea leaves. The water injection assembly comprises a water injection pipe capable of extending into the filter element, and hot water or warm water in the water boiling module can be injected into the filter element through the water injection pipe; a tea water discharging assembly is arranged at the bottom of the pot body; the tea storage module comprises a tea storage barrel which is communicated with the tea water discharging assembly and is used for storing tea water; the tea outlet module is used for extracting tea water in the tea storage barrel and conveying the tea water to the tea outlet. According to the tea making machine, semi-automatic control can be achieved, the tea making efficiency and the tea discharging efficiency are improved, labor is saved, and meanwhile the tea base quality is guaranteed.

The invention discloses a light-control curtain automatic control system. The light-control curtain automatic control system comprises a photosensitive sensor which is used for collecting light intensity of the external environment, a signal correction signal which is used for receiving, and amplifying and filtering the light signal collected by the photosensitive sensor, an A / D converter which is used for converting an analog signal transmitted from the signal correction circuit into a digital circuit, a single chip microcomputer which is used for performing control according to the received digital signal to realize forward rotation, backward rotation and stop of a stepping motor, the stepping motor which is an executing device for controlling on-off of the curtain and performs forward rotation or backward rotation according to the instruction of the single chip microcomputer and a key instruction, a display module which is used for displaying various kinds of states of the curtain control system, and a keyboard module which controls the single chip microcomputer to input instruction through different keys so as to manually control the curtain.

The invention discloses a compressor rotor blade groove machining clamping tool with a supporting frame. The compressor rotor blade groove machining clamping tool comprises a clamping device. The clamping device comprises a base, and two clamping blocks are arranged on the base and are arranged in a direct facing mode. Clamping sliding plate mounting seats are arranged on the opposite side faces of the clamping blocks respectively, and are provided with a first guide sliding groove and a second guide sliding groove respectively, and the upper end of the first guide sliding groove and the upper end of the second guide sliding groove are inclined outwards. Clamping sliding plates are arranged in the first guide sliding groove and the second guide sliding groove respectively, the lower ends of the clamping sliding plates are provided with connecting columns respectively, and the lower ends of the connecting columns are hinged to the two ends of a transmission cross rod respectively. An air cylinder or oil cylinder is arranged on one side of the clamping device, and a transmission lever and the supporting frame are arranged between the air cylinder or oil cylinder and the clamping device. One end of the transmission lever is connected with the middle of the transmission cross rod, and the other end of the transmission lever is hinged to a piston rod of the air cylinder or oil cylinder. The transmission lever is hinged to the supporting frame. The air cylinder or oil cylinder is utilized for driving the clamping sliding plates to vertically move in the guide sliding grooves, and semi-automatic control over rotor clamping is achieved.

The invention relates to the technical field of medical devices and discloses a pediatric neurological clinical training massage device which comprises a bed board provided with supporting legs, a head retaining plate, a foot retaining plate, a supporting frame, buttons, bandages and a fixing frame. The fixing frame is provided with a fixing plate and a first rotating motor, the fixing plate is provided with a display screen and a camera hole, the first rotating motor is provided with a first rotating rod, a fixing block, a connecting block, a first extensible motor, a first extensible rod and a fixed supporting plate, the fixed supporting plate is provided with a second extensible motor, a second extensible rod, a second rotating motor, a second rotating rod, a roller and a first pressure sensor, and the second rotating rod is provided with a brake strip, a clamping block and a clamping groove. The invention further discloses a using method of the device. The device is high in mechanization degree, diverse in function and suitable for pediatric patients different in body height, so that working burden of medical staff can be lowered, cooperation degree of the pediatric patients can be increased, and damage to skin of the pediatric patients is prevented.

The invention relates to an internet hydrological cableway flow rate detection device and system, wherein the detection device comprises a track (1), a mobile device shell (2), a rope (11), an objective table (12), and a main control module (4), and a flow meter (3), a power supply control module (5), a network communication module (6), a horizontal moving motor (7), a longitudinal moving motor (8), a horizontal moving distance sensor (9) and a longitudinal moving distance sensor (10) that are connected with the main control module (4); and a system based on the detection device is designed, and the network remote control is realized; a brand new automatic control design is adopted for the whole device and system; and based on sensor detection and motor driving control, the working efficiency of actual hydrological data measurement can be effectively improved.

The invention belongs to the technical field of cigarette paper detection assisting devices, and particularly relates to a semi-automatic cigarette paper taking-out device. The semi-automatic cigarette paper taking-out device comprises a main device body, the main device body comprises a connecting part, a hinging part is hinged to the side face of the connecting part, clamping strips are integrally formed at the lower portions of the connecting part and the hinging part, and the connecting part is sleeved with a push ring; a guide groove is formed in the longitudinal direction of the outer wall of the connecting part, a guide block is fixedly arranged on the inner wall of the push ring, a pushing and pressing groove is formed in the longitudinal direction of the outer wall of the hingingpart, the depth dimension of the pushing and pressing groove is gradually decreased from bottom to top, and a pushing and pressing block matched with the pushing and pressing groove is fixedly arranged on the inner wall of the push ring; a clamping rod is further fixedly arranged on the push ring, a button switch is fixedly installed on a fixed frame, a speed reduction motor, a storage battery andthe button switch are electrically connected to form a closed loop, a movable frame is slidably installed on the speed reduction motor, the button switch is located between the fixed frame and the movable frame, and a lifting handle is fixedly installed on the movable frame. The invention aims at solving the problems that existing methods of taking roll paper out of a headspace bottle have low efficiency, and bring using inconvenience.

The invention discloses an automatic stop finger mechanism of a bending machine, which comprises stop finger drive devices arranged on the left side and the right side of the bending machine, wherein a pair of stop fingers is arranged side by side between the stop finger drive devices on the left side and the right side; drive shafts are axially equipped with driving wheels and driven wheels; the driving wheels are fixed with the drive shafts; drive belts are arranged between the driving wheels and the driven wheels on the drive shafts on the left side and the right side; the two drive belts are fixed with the two stop fingers respectively and drive the two stop fingers to move between the left side and the right side respectively; stop finger fore-and-aft fine adjustment devices for adjusting fore-and-aft positions of stop finger bases in slide grooves are arranged on stop finger slide blocks; the front end of each stop finger base is connected with a front stop finger via a floating pin shaft; and horizontal adjustment device for adjusting horizontal positions of the front stop fingers are arranged on the stop finger slide blocks.The mechanism achieves semi-automatic control of a stop finger Z-axis mechanism, and allows the stop fingers to have an overall precise fine adjustment function, so that a risk of work injuries are avoided to the full extent, the cost is controlled at the same time, and the locating accuracy is ensured.

The invention discloses a traction device and a logistics transfer car. The traction device comprises a towing-hanging mechanism, a locking mechanism, a hand throttle wrench and a brake handle, wherein the hand throttle wrench is in transmission connection with the towing-hanging mechanism through a first flexible shaft; the brake handle is in transmission connection with the locking mechanism through a second flexible shaft; the towing-hanging mechanism comprises a fixing base, two towing rods, a hanging ring and tension springs; the bottom ends of the towing rods are correspondingly hinged with the front and rear ends of the fixing seat through first hinging shafts; the hanging ring is fixedly mounted between the tops of the towing rods; the tension springs are arranged on the front andrear sides of the fixing seat; the bottom end of the tension spring is higher than the first hinging shafts; and the locking mechanism comprises a fixing plate, a moving plate, clamping seats, a hanging hook and torsion springs. The traction device disclosed by the invention is improved aiming at the problems that a conventional traction device needs to be manually connected and unlocked, both thetime and the effort are wasted, the safety factor is low, and the conventional traction device is easy to damage; and the advantages that the traction device is semi-automatically connected and unlocked, the labor intensity of workers is reduced, the damage possibility is low, and the safety factor is high can be achieved.

The invention discloses a contact line grinding machine of a rigid contact net. The grinding machine comprises a walking trolley mechanism, a grinding mechanism, an angle adjusting mechanism, a control mechanism, a pressure supply station and a power source. The pressure supply station adjusts the pressing force of the polishing mechanism on the contact line under the action of the control mechanism; the angle adjusting mechanism adjusts the grinding angle of the grinding mechanism according to the abrasion degree of the contact line. The angle adjusting mechanism comprises at least one angle adjusting unit. Each angle adjusting unit comprises a grinding unit fixing frame, an angle adjusting supporting piece, a guide rail assembly and a pressure cylinder. A fixing point is arranged on the angle adjusting supporting piece, an arc-shaped sliding groove is formed in the lower end of the angle adjusting supporting piece, and the grinding unit fixing frame and the angle adjusting supporting piece are locked after the grinding unit fixing frame slides to a set angle in the arc-shaped sliding groove with the fixing point as the circle center. A polishing sheet of the polishing mechanism polishes a sharp corner formed by the end face of the contact line and the outer arc face and the abrasion plane of the contact line. The device is high in automation degree, high in grinding efficiency and good in grinding effect.