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46results about How to "Less prone to skew" patented technology

Bevel ratchet wheel compensating device

ActiveCN101716893AStrong impactComprehensive braking performance reliable insuranceTrolley linesManufacturing technologyEngineering
The invention provides a bevel ratchet wheel compensating device, comprising a ratchet wheel body (1), a ratchet wheel brake frame (2), a long bolt pin (3), a ratchet wheel framework connecting plate (4), a brake pallet (5), a balance wheel (6), a steel wire rope I (7), a steel wire rope II (7') and a cable clamp (8), wherein two rows of symmetrical bevel gears are arranged on the excircle of a bull wheel (12) of the ratchet wheel body (1), the bevel gear is composed of straight teeth (24) and side teeth (25), the straight teeth (24) are arranged at two sides of the circumference surface of the bull wheel (12), and side teeth (25) are arranged at the side wall of the bull wheel (12); and the front end of the brake pallet (5) is provided with a U-shaped brake port (26) of which the width is consistent with the spacing of the bottom parts of the two side teeth (25). In the invention, the ratchet adopts a bevel structure formed by the straight teeth and the side teeth; by optimizing the structure design, the manufacture technology is simplified, the safe use performance is improved so as to lead the working tension to reach 38.85kN and compensation distance to reach 800m, thus not only satisfying the requirements on high tension and large compensation distance for a high-speed electrified railway contact line, but also having convenient installation and maintenance.
Owner:CHINA RAILWAY HIGH SPEED ELECTRIFICATION EQUIP CORP LTD

Solar support

The invention provides a solar support. The solar support comprises a connection member, a support member and a press block. The connection member comprises a first connection plate, a second connection plate, a third connection plate and a fourth connection plate. The support member is of an integral structure and comprises a center support piece, left and right support pieces and a Y-type connection piece. The cross section of the press block is in the shape of an L and comprises a base plate and a side plate. A clamping plate is arranged on the outer side of the side plate. A clamping projection block is arranged on the outer side of the top of the side plate. The connection member is perpendicularly crossed with the support member. The connection member is fixed on the support member via the press block. In use, the clamping plate of the press plate is clamped in a fixed cavity body of the connection member and on the fixed plate; the clamping projection block on the top of the press block is clamped into a groove in the second connection plate; and a bolt and a nut are used for pressing the press block on the support member. Via the special structure design and connection assemblies, stability, supporting force and safety performance of the support are greatly improved.
Owner:YANGZHONG YANGZILV PROCESSING CO LTD

Lithium niobate substrate blackening mehtod

The invention discloses a lithium niobate substrate blackening method. A reducing reagent utilized in the method is prepared by mixing iron powder and lithium carbonate powder. The lithium niobate substrate blackening method comprises the steps: 1, putting an iron powder and lithium carbonate mixture into a square corundum crucible; 2, flatly putting and burying a lithium niobate substrate into the mixture; 3, putting the square corundum crucible into a thermal treatment furnace and treating in the argon atmosphere; 4, putting into a diluted hydrochloric acid solution to be soaked when a temperature reduces to be close to a room temperature and then washing and spin drying. The method has short reaction time, small consumed time in a lithium niobate substrate blackening process and suitability for large-scale production; by means of high temperature resistance and acid-base resistance, the square corundum crucible can be used for a long time; furthermore, the square corundum crucible brings convenience to taking and putting wafers, and the square corundum crucible is stabler in a furnace tube of the thermal treatment furnace and is not prone to inclining. The method has the advantages of convenience, simpleness and easiness in operation, safety and reliability. By adjusting conditions of a mixture proportion, reaction time, reaction temperature and the like, the lithium niobatesubstrates of different blackened degrees can be obtained.
Owner:CHINA ELECTRONICS TECH GRP NO 46 RES INST

Manual label making machine with continuous printing function

PendingCN109227703AControlled start and stopRealize no blank printingTypewritersMetal working apparatusPulp and paper industryPaper sheet
The invention discloses a manual label making machine with a continuous printing function. The manual label making machine comprises a housing, a full cutting button is installed on the housing, the full cutting button is connected with a full cutting knife assembly, an extension arm is connected to the full cutting button, and a photoelectric detection switch area is arranged in the housing; whenthe full cutting button is pressed to start label paper cutting, the extension arm enters the photoelectric detection switch area under the driving of the full cutting button; when the full cutting button resets after label paper cutting, the extension arm leaves the photoelectric detection switch area under the driving of the full cutting button. In the manual label making machine, through the cooperation of the extension arm arranged on the full cutting button and the photoelectric detection switch area, start and stop of a paper feeding mechanism and a printing head of the label marking machine can be controlled according to signals sent when the extension arm enters and exits from the photoelectric detection switch area, then, the label marking machine can perform printing without blanks, and the waste of the label paper can be reduced. Besides, through structural improvement on the full cutting knife assembly, cutting is facilitated, the phenomena of skew, deckle edges and the like of cuts of the label paper do not occur easily, and the manual label making machine is suitable for application and popularization.
Owner:BEIJING SUPVAN ELECTRONIC TECH CO LTD

Synchronizer shifting fork gear shift mechanism for tractor

The invention relates to a synchronizer shifting fork gear shift mechanism for a tractor, and belongs to the field of tractor gear shift. The synchronizer shifting fork gear shift mechanism is located in a gearbox shell and comprises a gear shaft, a shifting fork shaft, a shifting fork and a gear self-locking device. The gear shaft is perpendicular to the shifting fork shaft, and the gear shaft is sequentially sleeved with a first shifting gear, a synchronizer and a second shifting gear. The synchronizer is in sliding connection with the gear shaft through a spline and can be in hitching connection with the first shifting gear or the second shifting gear. The outer edge of the synchronizer is provided with an annular groove. The shifting fork is provided with a shifting block corresponding to the annular groove. The gear self-locking device is provided with a spring positioning pin abutting against the shifting fork. A first positioning hole, a middle positioning hole and a second positioning hole are formed in the outer side of the shifting fork at intervals. According to the synchronizer shifting fork gear shift mechanism, the product structure is compact, operation is easy and convenient, the shifting fork shaft rotates only under the effect of external force, the gear shifting performance is more stable, gear shifting and hitching connection are easier, more convenient and smoother, and the problem that the synchronizer is likely to be damaged or be out of gear in the gear shifting process can be effectively solved.
Owner:LOVOL HEAVY IND CO LTD

Bag and suitcase cloth roll separating device facilitating cutting

The invention discloses a bag and suitcase cloth roll separating device facilitating cutting. The device comprises a cutting table, a cloth feeding mechanism, a length counter, a deviation rectifyingroller, a deviation measuring roller, a first installation frame, a rolling mechanism, a cutting device and a control device. The cloth feeding mechanism, the cutting table, the length counter, the deviation rectifying roller, the deviation measuring roller and the rolling device are sequentially arranged from left to right. The cutting device is located above the cutting table, the cutting tableis provided with a through groove adapting to the cutting device, two pressing plates are arranged above the cutting table and located on the left side and the right side of the through groove correspondingly, first lifting devices are fixed to the tops of the pressing plates, the deviation rectifying roller is installed on the first installation frame, an installation table is arranged below thefirst installation frame, a stand column is fixed to the installation table, and the top of the stand column is hinged to one end of the first installation frame. Since the deviation rectifying rolleris arranged between the length counter and the deviation measuring roller, a bag and suitcase cloth is not likely to be deviated in the rolling process, and the rolling effect is ensured.
Owner:嘉兴市布雷塑胶新材料股份有限公司

Automatic labeling assembly line

The invention provides an automatic labeling assembly line. The automatic labeling assembly line comprises a first connecting device, a second connecting device, a cutting device and a storage device. The second connecting device comprises a first sizing device, a first conveying device, a pressing device and a sewing device. A trademark is protected through a plastic film, so that a connecting body single body is not prone to abrasion after being connected to an umbrella cover, the four edges of an adsorbed plastic film single body and the four edges of a trademark single body are kept flush with the four edges of a connecting belt all the time through an adsorption device, inclination is not prone to occurring, the attractive effect is kept after the connecting body single body is made into an umbrella belt, and a user can check the trademark more easily. Meanwhile, the trademark single body and the connecting belt are machined together in order, the good feeling of a client can be gained more easily, the connecting body single body is automatically produced and serves as the umbrella belt to be connected to the umbrella cover, the umbrella belt manufacturing efficiency is greatly improved, the labor cost is reduced, and the machining precision is improved.
Owner:海峡(晋江)伞业科技创新中心有限公司

Hard disk backboard testing device

The invention relates to a hard disk backboard testing device, which comprises a testing box, a bearing structure, a fixing structure, a pressing jig and a first driving structure, and is characterized in that the testing box comprises a first box body; a bearing structure is arranged at the top of the first box body and is suitable for bearing a hard disk backboard; the fixing structure is arranged in the first box body, is suitable for being connected with the hard disks, and is used for vertically fixing the plurality of hard disks at positions corresponding to mounting ports of a hard disk backboard at intervals; the pressing jig comprises a supporting assembly and an insulating pressing plate, one end of the supporting assembly is connected with the top of the first box body, and the other end of the supporting assembly extends upwards in the vertical direction; the insulating pressing plate is slidably connected to the supporting assembly and can move in the vertical direction. The insulating pressing plate is positioned above the bearing structure and is suitable for pushing the hard disk back plate to be inserted into the hard disk; the first driving structure is arranged on the supporting assembly, and the output end is connected with the insulating pressing plate. According to the hard disk backboard testing device, time and labor are saved, and the damage probability of the hard disk and the hard disk backboard is reduced.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Efficient and accurate labeling mechanism

The invention provides an efficient and accurate labeling mechanism. The efficient and accurate labeling mechanism comprises a first connecting device, a second connecting device, a cutting device and a conveying device for conveying single connecting bodies. The first connecting device comprises a film supply device, an adsorption device for adsorbing single plastic film bodies, a first gluing device for gluing the lower surfaces of the single plastic film bodies, and a supply device for supplying single trademark bodies. The plastic films are connected to the upper surfaces of the single trademark bodies in a covering manner, and then the single trademark bodies protected by the plastic films are connected to connecting belts, so that the single connecting bodies protected by the plastic films are not easy to damage after being subsequently connected to umbrella covers, the adsorption device always keeps the four edges of the adsorbed single plastic film bodies and the single trademark bodies flush with the four edges of the connecting belts respectively, inclination is not likely to happen, the attractive effect is kept after the single connecting bodies are made into umbrella belts, a user can check the single connecting bodies more easily, meanwhile, the single trademark bodies and the connecting belts are machined together in order, and the good feeling of a client is gained more easily.
Owner:海峡(晋江)伞业科技创新中心有限公司

A road surface power generation mechanism arranged in a speed bump and its application in melting ice and snow

ActiveCN104481823BEfficient use ofOvercome the disadvantage of only using a single tripPaving detailsMachines/enginesSpeed bumpElectricity
The invention discloses a pavement power generating mechanism for use in speed bumps and application thereof in snow and ice thawing. A transmission structure is provided by using a bump pressure plate as a drive member. The pavement power generating mechanism is characterized in that the bump pressure plate is supported by springs to be higher than a pavement; pressure applied by an automobile running by drives the bump pressure plate to move down, achieving a downward stroke; after relief of the pressure, the bump pressure plate returns to the supported height, achieving an upward stroke; a transmission gear is fixed on a transverse transmission spindle and drives the same to rotate, thereby outputting torque from the transverse transmission spindle; an upper stroke drive structure and a lower stroke drive structure are identical in structure and are disposed on the left and right sides of the transmission gear, respectively; the upper stroke drive structure and the lower stroke drive structure alternately drive the transmission gear to rotate in a single same direction. The pavement power generating mechanism has the advantages that compression and return processes of a speed bump are bot made effective use, the transmission gear can keep rotating in the single direction, the limitation that upper and lower strokes are short is overcome, and electricity is continuously generated.
Owner:ANHUI HIGHWAY ENG CORP

Open caisson structure applied to narrow zone and construction method of open caisson structure

The invention relates to the technical field of open caisson construction, in particular to an open caisson structure applied to a narrow zone and a construction method of the open caisson structure. The open caisson structure comprises open caisson foundation pits formed by excavating downwards layer by layer, wherein each layer of open caisson foundation pit is an open caisson foundation pit unit, anchoring parts are evenly arranged on the pit wall of each open caisson foundation pit unit, steel reinforcement cages distributed annularly are arranged on the inner circumferential side of each open caisson foundation pit unit, the steel reinforcement cages are fixedly connected with the anchoring parts, annular concrete well walls poured outside the anchoring parts and the reinforcement cages are further arranged on the inner circumferential sides of the open caisson foundation pit units, the annular concrete well walls on the upper layer and the lower layer which are adjacent to each other are stacked up and down, and a concrete sealing bottom is arranged at the bottom of the lowermost open caisson foundation pit unit. The open caisson construction method comprises the steps of positioning, open caisson foundation pit unit excavation, anchoring part installation, reinforcement cage binding, pouring and bottom sealing. Reverse construction is carried out in a layer-by-layer downward mode, construction is more convenient, the structural stability is good, and deflection is not prone to occurring.
Owner:武汉市武昌市政建设(集团)有限公司

Sealing machine for medical plastic packaging bags

The invention provides a sealing machine for medical plastic packaging bags. The sealing machine comprises a shell, a material frame, a feeding mechanism, a sealing mechanism and a cutting mechanism,wherein the material frame, the feeding mechanism, the sealing mechanism and the cutting mechanism are arranged on the shell; the feeding mechanism comprises a bracket and a feeding roller and a pressing roller which are rotationally connected to the bracket, and a channel for allowing the plastic packaging bags to penetrate is formed between the feeding roller and the pressing roller; one end ofa discharging roller is connected with a material roller driving part, and the material roller driving part is used for driving the feeding roller to rotate; and the feeding mechanism is arranged in front of the sealing mechanism, so that the plastic packaging bags penetrate through the gap between a heating plate and a bottom plate, and after the sealing of the plastic packaging bags is completed, the cutting mechanism cuts the plastic packaging bags. Due to the fact that the remaining plastic packaging bags are still under the clamping of the feeding roller and the pressing roller, the plastic packaging bags can be fed into the gap between the heating plate and the bottom plate only by driving the feeding roller when the plastic packaging bags are sealed next time, the operation is simple, and the efficiency is high; and moreover, due to the clamping effect of the feeding roller and the pressing roller, the sealing of the plastic packaging bags is not prone to skewing, and the sealing quality is improved.
Owner:NINGBO LIFE MEDICAL TECH
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