39results about How to "Avoid slip damage" patented technology

The invention relates to a combined set for anchoring and connecting FRP ribs. The combined set can overcome the defects of difficulty in bending and connecting and easiness in sliding of the FRP ribs in the combined manner of machinery and binding and can realize wider application of the FRP ribs in the engineering field. The combined set comprises three main structures: structure 1): a sleeve (1), an adhesive (2) for filling the sleeve, and a conical sleeve (3), a gasket (4) and a nail (5) arranged in the sleeve; structure 2): a fastening bolt (7), internal thread (8) in thread fit with the FRP ribs and a nut (701) matched with the fastening bolt (7); and 3) structure: a connecting pipe (702) for connecting the internal threads of the FRP ribs at each angle. The three main structures are mutually matched with each other and can be used for anchoring the FRP ribs with a loading end of a concrete substrate binding-sliding test device and connecting the FRP ribs. Besides, the combined set can be used as an anchoring tool for pre-stress FRP ribs.

The invention discloses a pre-protecting system of slipping of a wind driven generator coupler and a detection control method. A wind driven generator comprises a gearbox output shaft, the coupler, a generator spindle and a fan master control system. The coupler is connected with the gearbox output shaft and the generator spindle. The wind driven generator further comprises a temperature sensor and a controller, wherein the temperature sensor is used for monitoring the current temperature of the coupler to obtain the current temperature and transmitting the obtained current temperature to the controller; the controller determines whether the coupler is slipped or not according to the current temperature transmitted by the temperature sensor and transmits a control signal to the fan master control system according to determined slipping results; the fan master control system receives the control signal transmitted by the controller and controls the wind driven generator to be closed down or started up. According to the detection control method, the monitored current temperature of the temperature sensor is compared with a preset temperature value and a critical temperature value, and the temperature rising slope of the two times before and after is compared with the temperature rising slope of the coupler, so that whether the couple is slipped or not is judged and stopping and starting of the wind driven generator are controlled.

The invention discloses a multipurpose connector, an anchor head and an assembly for connecting FRP (Fiber Reinforced Plastic) rebars. The multipurpose connector comprises a rebar connecting pipe, a connecting sheet, and a connecting sheet pin hole, wherein one end of the rebar connecting pipe is closed, the connecting sheet is arranged at the closed end of the rebar connecting pipe, the connecting sheet pin hole is formed in the connecting sheet, a fastening joint is arranged on the other end of the rebar connecting pipe, an internal surface thread matched with an external thread of an FRP rebar is arranged on the inner side of the rebar connecting pipe, and internal teeth are arranged on the connecting sheet pin hole. The anchor head comprises an anchor head body, a connecting body on one end of the anchor head body, and a connecting body pin hole in the connecting body, and internal teeth are arranged on the connecting body pin hole. The assembly is formed by combining and connecting the multipurpose connector with the anchor head, or combining and connecting two multipurpose connectors. According to the multipurpose connector, the anchor head and the assembly, the thermoset FRP rebars are freely connected, and can be processed into 90-degree bent anchoring ends, reinforcement stirrups, bend bars, large-curvature curve prestressed tendons or crease line prestressed tendons and irregular members.

The invention discloses a dispersed anchoring device and a dispersed anchoring method suitable for a large-tonnage FRP inhaul cable. The dispersed anchoring device comprises an inner conical sleeve, asmall end cover plate located at a small end of the inner conical sleeve and a large end cover plate located at a large end of the inner conical sleeve. The small end cover plate is a first yarn splitting plate, the large end cover plate is a second yarn splitting plate, and at least one third yarn splitting plate is further arranged in the inner conical sleeve; rib holes distributed according toa first rule are formed in the first yarn splitting plate. The rib holes distributed according to a second rule are formed in the second yarn splitting plate. The rib holes distributed according to athird rule are formed in the third yarn splitting plate. A core of the anchoring device lies in overall bending and local splitting of the FRP inhaul cable in an anchorage area, creep deformation ofthe FRP inhaul cable under long-term load holding can be remarkably reduced, the FRP inhaul cable is prevented from being pulled out and damaged, meanwhile, a size of an anchorage device can be reduced, and manufacturing cost can be decreased.

Disclosed is a novel method for constructing an ecological slope protection substrate, which pertains to the field of slope protection engineering, ecological restoration engineering and greening engineering. The construction process of the method of the invention is: first, leveling the slope surface needing restoring, excavating mouth-shaped pits on the slope surface, filling the mouth-shaped pits with multi-functional soil and finishing the construction of the slope protection substrate. The method for constructing the ecological slope protection substrate provided by the invention, by arranging the mouth-shaped pits on the slope surface, not only can change the status of soil impoverishment and the growth environment of vegetations, and provide essential fertilizers and nutrient substances for the sustainable growth of plants, but also can greatly increase the cohesive force between the guest soil layer and the fraction excavated, and increase the integral stability of the guest soil layer so as to effectively prevent the slope surface from integral damage by the continuous effect of rain. The method of the invention changes the mechanical characteristics and construction modes of the substrate and improves the present statuses of the poor stability and soil impoverishment of the substrate in the ecological slope protection.

The invention relates to motor control center electric power distribution cabinet machining equipment which comprises a bottom plate; two clamping electric sliding blocks are arranged on the bottom plate, and are symmetrically arranged on the left side and the right side of the bottom plate; clamping moving plates are arranged on the clamping electric sliding blocks; clamping telescopic air cylinders are arranged on the clamping moving plates; the top ends of the clamping telescopic air cylinders are arranged at a clamping supporting plate through flanges; a clamping lifting air cylinder is arranged at the lower end of the clamping supporting plate; and the top end of the clamping lifting air cylinder is arranged on a clamping lifting plate through a flange. The problems that manual work is required for carrying an existing power distribution cabinet into a packaging box by virtue of existing equipment in the packaging process of the existing power distribution cabinet, the manual workis required for fixing the power distribution cabinet by virtue of tools like a rope, the manual work is required for adjusting binding ropes with respect to the power distribution cabinets in different sizes, the operation is complicated, time and labor are consumed, and the power distribution cabinet is not bound stably by the manual work by virtue of the rope can be solved.

The invention discloses distribution equipment for tuna cold-chain logistics, and belongs to the technical field of cold-chain logistics transportation. The distribution equipment for tuna cold-chainlogistics comprises a distribution box, a moving mechanism and a control mechanism, wherein the distribution box comprises a main box and a pull type door which are connected slidably; a cold storagebody is built in the pull type door; a regulating mechanism is arranged in an inner cavity of the cold storage body; the telescopic moving mechanism is arranged on the bottom of the distribution box;a carrying mechanism is arranged on the upper surface and the opposite side face of an opening side of the main box; and the control mechanism is conducted to a sealing space formed by the main box and the pull type door and the moving mechanism through an air channel. The distribution equipment for tuna cold-chain logistics solves the problems that during tuna-preservation transportation, the meat quality and the appearance are affected by bumping and colliding, frozen ice is hard to take out, and incompletion in vacuum sterilization is caused; the occurrence of the phenomenon that the meat quality is affected by the temperature difference produced by mis-operating switching for ventilation is avoided; a refrigeration material is environmental-friendly and recyclable; an ordinary truck can be adopted for regional order allocation; and a single cabinet is ventilated independently, so that the distribution equipment for tuna cold-chain logistics is applicable to the requirements on transporting under different road conditions and preserving at different temperatures, and is capable of realizing the functions on quickly loading and transporting, delivering goods at any time, stably transporting, and conveniently taking out the goods.

The invention discloses a reinforced wind-clamping-resistant system of a metal roof board. The system comprises a plurality of connecting units; each connecting unit comprises wind-resistant clamps and connecting rods / prestress inhaul cables; the multiple wind-resistant clamps of each connecting unit are sequentially clamped on each plate rib of the metal roof board; the connecting rods / prestress inhaul cables stretch across the metal roof board and penetrate through the wind-resistant clamps; a plurality of connecting rods / prestress inhaul cables are arranged in the longitudinal direction of the metal roof board in an extending mode; and each connecting rod / prestress inhaul cable is connected with the connecting rods / prestress inhaul cables of the connecting units. According to the reinforced wind-clamping-resistant system of the metal roof board, the wind-resistant clamps can firmly clamp the plate ribs, and the wind uplift resistance of a plate rib mechanical occlusion joint is enhanced; when the connecting rods / prestressed inhaul cables extending in the longitudinal direction of the metal roof board deform along with wind suction of the roof board, the deformation level of the roof board can be limited; and the prestress inhaul cables / connecting rods of the connecting units enhance the integrity of the roof wind-clamping-resistant system, the wind load bearing capacity of the roof board is improved, and the possibility of local wind uplift damage is reduced.

The invention relates to the field of stage tools, particularly to a stacked total console for a stage. The total console for the stage comprises a placing table, wherein notches are symmetrically formed in the left side and the right side of the placing table; sliding grooves are formed in the inner side wall of the placing table in a front-back symmetry mode; telescopic assemblies are arranged in and connected with the sliding grooves in a sliding fit mode; the telescopic assemblies are symmetrically arranged on the left side and the right side of the placing table; an auxiliary assembly isrotatably connected to the upper end of the telescopic assembly on the right side; each telescopic assembly comprises sliding blocks connected with the corresponding sliding grooves in a sliding fit mode; and telescopic plates are installed between the front sliding blocks and the rear sliding blocks. According to the total console for the stage in the invention, the telescopic assemblies are designed; during use, the telescopic plates can be unfolded to place a single console or projection screen, storage is convenient after use, the overall occupied area of the total console is small, and the total console can be placed in order and is convenient to use; meanwhile, the projection screen can be placed as needed through the design of the auxiliary assembly, so workers can conveniently watch a stage situation in real time and adjust lamplight, sound equipment and other equipment at any time.

The invention relates to a power distribution cabinet automatic treatment system, which comprises a bottom plate, wherein a clamping moving device is arranged at the front side of the upper end of thebottom plate; a fixed rotation device is arranged in the middle part of the bottle plate; the back end of the bottom plate is provided with a regulation filling device; the regulation filling devicecomprises a filling moving motor arranged on the bottom plate through a motor seat; an output shaft of the filling moving motor is connected with one end of a filling lead screw through a shaft coupler; the other end of the filling lead screw is arranged on the filling baffle plate through a bearing; the filling baffle plate is arranged on the bottom plate. The power distribution cabinet automatictreatment system can solve the problems that in the existing power distribution cabinet packaging process, the power distribution cabinet needs to be carried into a packaging box by labor by using the existing equipment; sponge needs to be manually filled to gaps between the power distribution cabinet and the packaging box; the power distribution cabinet needs to be manually fixed by tools such as ropes; the binding ropes need to be manually regulated by aiming at the power distribution cabinets of different specifications; the operation is complicated; the time and the labor are wasted.

The invention discloses a smooth FRP (fiber reinforced plastic) bar anchoring method which comprises the following steps: 2-4 kerfs for dividing an anchoring end of a smooth FRP bar into a plurality of parts capable of being opened are formed in the anchoring end of the smooth FRP bar along the axial direction of the bar from the end surface; filler is arranged among a plurality of expandable parts of the anchoring end to enable the anchoring end to form an expanded end, and the expanded end is anchored through a sleeve arranged at the anchoring end in a sleeving mode. The sleeve is a steppedinner-diameter sleeve and comprises a sleeve free end and a sleeve loading end, and the inner diameter of the sleeve free end is larger than that of the sleeve loading end; the expanded end is a conical expanded end; a resin-quartz sand mixture is poured into a gap between the free end of the sleeve and the conical expanded end, and the gap between the loading end of the sleeve and the smooth FRPbar is filled and cured with resin. According to the smooth FRP bar anchoring method, anchoring and connecting of the smooth FRP bars can be effectively and reliably achieved, the tensile strength ofthe smooth FRP bars is brought into full play, and the smooth FRP bars are subjected to ideal middle section complete explosion breaking type damage.

The invention provides a permanent magnet transmission torque converter double-input-shaft drive device. The permanent magnet transmission torque converter double-input-shaft drive device comprises aninput shaft I, an input shaft II and a transmission shaft rotationally supported between a shell and a bent axle. The input shaft I is rotationally supported in an inner cavity of the input shaft II.The end, close to the bent axle, of the transmission shaft is provided with a permanent magnet transmission torque converting device. A connecting rod mechanism driving the permanent magnet transmission device for torque converting is arranged at the middle portion of the transmission shaft. A synchronous gear II and a synchronous gear I are rotationally arranged at the other end of the transmission shaft. A gear II engaged with the synchronous gear II is arranged at one end of the input shaft II, the end, stretching out of the input shaft II, of the input shaft I is provided with a gear I engaged with the synchronous gear I, and the part, between the synchronous gear II and the synchronous gear I, of the transmission shaft is provided with a synchronizer. According to the permanent magnet transmission torque converter double-input-shaft transmission device, conversion of engine power between the input shaft I and the input shaft II can be controlled, meanwhile, the engine torque canbe transmitted, control and adjustment can be conducted on the torque, and the problems that in a double clutch, skidding is likely to happen, the temperature rise of friction plates is high, separation is not thorough, gear shifting is difficult, power is interrupted, the transmission efficiency is low, and friction plates are frequently replaced are solved.

The invention relates to a showing stand, in particular to an anode plate inclined showing stand with high stability. The invention provides the anode plate inclined showing stand with high stability, which ensures that the stability of an anode plate is relatively high and can show the anode plate in all directions. The anode plate inclined showing stand with high stability comprises a base, a showing stand, a baffle, first sliding blocks, first rotating rods and first supporting frames, the showing stand is arranged at the top of the base in a sliding mode, the baffle is arranged in the middle of the top of the showing stand, and the first sliding blocks are symmetrically arranged on the two sides of the showing stand in a sliding mode; and the first rotating rod is rotationally connected between the two first sliding blocks on the same side in the transverse direction, and first supporting frames used for placing the anode plates are arranged on the first rotating rods. According to the device, a limiting mechanism is arranged, and a contact switch controls a first electric push rod and a second electric push rod to move inwards, so that two first limiting blocks synchronously move inwards, the anode plate is fixed from one direction, and the anode plate is prevented from sliding off and being damaged in the display process.

The invention discloses a water washing type automatic batch medical test tube inner wall cleaning device for a pneumology department. The cleaning device comprises a cleaning cabinet, a fixing support is fixedly mounted at the top of the cleaning cabinet, and a hydraulic push rod is fixedly mounted on the inner wall of the top of the fixing support. According to the water washing type automatic batch medical test tube inner wall cleaning device for the pneumology department, firstly, test tubes required to be cleaned are placed in a test tube plate, the hydraulic push rod pushes a moving plate downwards, then test tube brushes are moved into the test tubes, a transmission device drives a rotating shaft to rotate, then a main gear and a secondary gear are driven, the test tube brushes arerotated for brushing inside the test tubes, and the test tube brushes are matched with the test tubes in shape, so that the test tube brushes are attached to the inner walls of the test tubes, the test tubes are conveniently and uniformly brushed, the situation that the inner walls of the test tubes are not completely cleaned is avoided, reagents are prevented from being polluted when the test tubes are used, and normal use of the test tubes is ensured.

Disclosed is a novel method for constructing an ecological slope protection substrate, which pertains to the field of slope protection engineering, ecological restoration engineering and greening engineering. The construction process of the method of the invention is: first, leveling the slope surface need to be restored and excavating mouth-shaped pits on the slope surface, and then filling the mouth-shaped pits with multi-functional soil and finishing the construction of the slope protection substrate. The method for constructing the ecological slope protection substrate provided by the invention, by arranging the mouth-shaped pits on the slope surface, not only can change the status of soil impoverishment and the growth environment of vegetations, and provide essential fertilizers and nutrient substances for the sustainable growth of plants, but also can greatly increase the cohesive force between the guest soil layer and the fraction excavated, and increase the integral stability of the guest soil layer so as to effectively prevent the slope surface from integral damage by the continuous effect of rain. The method of the invention changes the mechanical characteristics and construction modes of the substrate and improves the present statuses of the poor stability and soil impoverishment of the substrate in the ecological slope protection.

The invention discloses a distribution equipment for tuna cold chain logistics, which belongs to the technical field of cold chain logistics transportation, and includes a distribution box, a moving mechanism and a control mechanism. There is a built-in cold storage body in the sliding door, an adjustment mechanism is provided in the inner cavity of the cold storage body, a telescopic moving mechanism is provided at the bottom of the distribution box, a carrying mechanism is provided on the upper surface of the main box body and the opposite side of the opening side, and the air path of the control mechanism is connected to The sealed space and moving mechanism formed by the main cabinet and the sliding door. It solves the problems of tuna preservation during transportation, bumps and collisions that affect the quality and appearance of the meat, and the difficulty of taking out frozen freezes and incomplete vacuum sterilization. It avoids the temperature difference that affects the quality of the meat due to temperature differences caused by misoperation and opening of the ventilation. The refrigeration material is environmentally friendly and can be reused, and ordinary vehicles can be used Regional order distribution is carried out, and a single cabinet is independently ventilated. It is suitable for transportation under different road conditions and fresh-keeping requirements at different temperatures.

The present invention relates to the field of stage equipment, in particular to a superimposed stage master console, which includes a placement platform, and the left and right sides of the placement platform are symmetrically provided with cutouts, and the inner wall of the placement platform is symmetrically provided with chute. A telescopic assembly is connected to the slot through a sliding fit, and the telescopic assembly is arranged symmetrically on the left and right sides of the placement table. Cooperate with the connected sliders, a telescopic plate is installed between the front and rear sliders. The superimposed stage master console of the present invention, through the design of the telescopic component, can unfold the telescopic plate to place a single console or projection screen during use. Convenient. At the same time, the design of auxiliary components can place projection screens according to needs, so that the staff can watch the stage in real time and adjust lighting, audio and other equipment at any time.

The invention provides a tail water channel structure used on a covering layer foundation. The tail water channel structure comprises a tail water outlet structure. A sand collection trough, an upwardinclining type gravity barricade and a tail water channel bottom plate are sequentially arranged on the downstream side of the tail water outlet structure in the downstream direction from the upstream portion to the downstream portion, and the sand collection trough, the upward inclining type gravity barricade and the tail water channel bottom plate are located on the covering layer foundation. The sand collection trough is arranged at the upstream end of the tail water channel structure, a tail bank is arranged at the downstream end of the tail water channel structure, deposition in a channel is effectively relieved, and the structural form is optimized; the upward inclining type gravity barricade is mixed in the tail water channel structure, and therefore stability of the covering layerfoundation is ensured; and meanwhile, key-walls are additionally arranged on the upstream side and the downstream side of the tail water channel bottom plate, so that the situation that the bottom plate slides along the inclining face of the covering layer foundation to be destroyed is avoided, damage of differential settlement to the tail water channel bottom plate, the civil engineering work amount and the construction difficulty are reduced, and the engineering benefits are obvious.

The invention relates to the technical field of conveying machinery, and discloses a conveying anti-skid device for tablet manufacturing and packaging, which comprises a production table, a conveying plate is fixedly mounted on the right side of the production table, a conveying belt is fixedly mounted on the right side of the conveying plate, side plates are fixedly mounted on the left and right sides of the conveying belt, and a packaging mechanism is fixedly mounted on the right side of the conveying belt. A speed reducing mechanism is fixedly installed in the middle of the conveying plate. According to the anti-skid conveying equipment for tablet manufacturing and packaging, a trapezoidal block at the bottom of a second vertical rod collides to trigger a switch in a groove in the top of a first vertical rod, so that a packaging mechanism is started, the requirement for the number of the interiors during medicine packaging when different kinds of medicines are packaged is met by changing the installation number of push plates, and compared with a manual packaging mode, the packaging efficiency is improved. According to the device, automatic packaging can be achieved, meanwhile, when different medicines are replaced, the push plate can be rapidly replaced to adapt to the change of the packaging number, and therefore a large number of manpower resources are saved, and the working efficiency is improved.

The invention provides a rhombus foundation reinforcement handling method and mainly aims to provide the rhombus foundation reinforcement handling method which not only can improve the carrying capacity of foundations effectively but also can control foundation settlement effectively. The rhombus foundation reinforcement handling method is capable of controlling the foundation settlement and improving the carrying capacity of the foundations at the same time, and has a good economic benefit. According to the technical scheme, the rhombus foundation reinforcement handling method is characterized in that each settlement control single body is formed by connecting two kinds of three-blade piles with different sizes, wherein each three-blade pile is characterized in that the three-blade pile is composed of a pile body and three blade grooves, every two blade grooves form an included angle of 120 degrees with the pile body as the midpoint of the three blade grooves. The rhombus foundation reinforcement handling method is mainly used for foundation reinforcement handling and can also be used for constructing underground latticed continuous reinforcement bodies.

The invention relates to an electrical control cabinet, comprising a cabinet body and cabinet doors arranged on the cabinet body, wherein the cabinet doors are respectively arranged on the four sides of the cabinet body, a transverse baffle plate and a longitudinal baffle plate are crosswise arranged in the cabinet body, ventilation holes are formed in both top and bottom of the cabinet body, and the top and bottom of the cabinet body are both provided with dustproof filter nets, and the bottom of the cabinet body is further provided with a grounding device; According to the electrical control cabinet, problems of heat dissipation, dust prevention, static prevention, vibration attenuation and vibration attenuation in a process when the electrical control cabinet is used for protecting electrical elements are solved, and meanwhile the problem of contradiction between quantity of the elements and the capacity of the electrical control cabinet is solved, safe and reliable performances of the electrical control cabinet are improved, and the applicable occasions are increased to meet the requirement on safety protection performance in actual production.

The invention relates to a mobile phone shell. The mobile phone shell comprises a shell body. The back of the shell body is connected with a fixing plate through a rotating shaft. A supporting plate is connected to the upper part of the fixing plate through a hinge. Elastic finger rings are fixed on the supporting plate. Through adoption of the mobile phone shell, a mobile phone can be placed on the table in a vertical supporting mode and also can be placed on the table in a horizontal supporting mode. The mobile phone shell is very simple and convenient in use. Through adoption of the elastic finger rings, the mobile phone is effectively prevented from falling off.

The invention discloses crawler transportation type anchor support integrated equipment for a coal mine tunnel. The crawler transportation type anchor support integrated equipment comprises a crawler, a top end support system, a side wall support system, a bracket transportation system, an anchoring system and an oil tank, the crawler drives the bracket transportation system to move; the top end supporting system and the side wall supporting system are placed on the two sides of the crawler and provide a top plate supporting effect for the whole. The support conveying system is installed on a middle groove of the crawler, and the crawler moves to drive the support conveying system to move front and back. The anchoring systems are installed on the two sides of the crawler and cooperatively work with the supporting system to complete roadway forming work. And the oil tank is mounted at the tail part of the crawler and provides power for the anchor support integrated equipment.

The invention discloses an ion sputtering instrument with an adjustable rotating sample rack. The ion sputtering instrument comprises a sample rack, a sample rack outer shield and an ion sputtering instrument bottom box, and also comprises a fixing mechanism and a heat dissipating mechanism, the fixing mechanism comprises a fixed clamping ring and a fixed clamping slot, the fixed clamping ring islocated at the bottom of a sample rack base, the fixed clamping ring and the sample rack base are fixed by a strong glue through bonding, an ion sputtering instrument bottom box top shell is arrangedat the top of the ion sputtering instrument bottom box, the fixed clamping slot is disposed inside the ion sputtering instrument bottom box top shell, and the sample rack base and the ion sputtering instrument bottom box top shell are clamped and fixed by the fixed clamping ring and the fixed clamping slot, when the ion sputtering instrument operates, a rotation guard board is opened, an internalradiating fin can be exposed, so that the heat generated inside the ion sputtering instrument is quickly dissipated through the radiating fin, and the components inside the ion sputtering instrument are prevented from being excessively heated and aged. .

The invention discloses an ultra-high-performance concrete-ordinary concrete shield tunnel segment and a construction method thereof. The segment includes an ultra-high-performance concrete layer and a reinforced concrete layer embedded in the ultra-high-performance concrete layer. The above-mentioned ultra-high performance concrete layer and the reinforced concrete layer form a unified whole, bear load together, and coordinate deformation. The beneficial effects of the ultra-high-performance concrete-ordinary concrete shield tunnel segment and its construction method provided by the present invention are as follows: the ultra-high-performance concrete-ordinary concrete shield tunnel segment adopts a combined structure, which can not only increase the bearing capacity, improve joints and Bolt hole stress performance, but also has good toughness and waterproof ability.

The invention relates to a receipt pressing and rolling device of a receipt printer and the portable receipt printer provided with the same and a use method. The receipt pressing and rolling device is used for receipts of an expressway, and comprises a receipt pressing assembly and a receipt rolling assembly. The receipt pressing assembly comprises a front receipt pressing assembly and a rear receipt pressing assembly which are respectively provided with a front receipt pressing wheel, a rear receipt pressing wheel, a front left rocker, a rear left rocker, a front right rocker, a rear right rocker, a front left tensional spring, a rear left tensional spring, a front right tensional spring, a rear right tensional spring, a front rocker shaft and a rear rocker shaft. The receipt rolling assembly comprises a rear rolling wheel, a front protruding tooth rolling shaft and an upper rolling shaft support, wherein an upper rolling shaft is arranged on the upper rolling shaft support. The device can solve the installation problem of the receipts in the prior art, enables the receipts to be printed in a mobile mode without the need that the receipts are placed on a table face, and is suitable for the receipts of the expressway, namely, the installation and mobile and portable printing problems of punched receipts with lengths of 89mm. The device is reasonable in structure, small in size, convenient and stable in communication connection, high in operation intelligence degree, convenient to use and carry and long in service life, and can meet requirements of high efficiency and convenience in charging management work of the expressway.