52results about How to "Increase arm length" patented technology

A folding multipurpose tool incorporating a latch release mechanism including a lever, a cam, and a rocker-shaped grip body to easily effect release of a catch for holding knife or screwdriver blades extended. spring and cams are arranged to hold a pair of handles either extended or folded with respect to the tangs of a pair of pliers jaws or the like. The handles include inwardly directed comfortable rounded rims. Portions of folding blades interlock with other folding blades on an opposite handle when the tool is folded, to stabilize the handles while using a knife or screwdriver. Blades of folding scissors include edges that are serrated only near their tips. A container opener includes a hook defining a recessed throat.

A LIF socket (10) for electrically connecting an IC package and a PCB includes an insulative housing (20) having a supporting surface (202) and a mounting surface (204) opposite to the supporting surface. A number of passages (206) extend from the mounting surface. Each passage has a leading section (208). A number of contacts (30) are disposed in corresponding passages, respectively. Each contact has a planar body (302), a pair of arms (304) extending from two lateral sides of the planar body towards the supporting surface, and a soldering pad (306) angled with respect to the planar body. The arm is formed with a curved contacting (3080) section at a distal end thereof.

A folding multipurpose tool incorporating a latch release mechanism including a lever, a cam, and a rocker-shaped grip body to easily effect release of a catch for holding knife or screwdriver blades extended. A spring and cams are arranged to hold each of a pair of handles either extended or folded with respect to the tangs of a pair of pliers jaws or the like. The handles include inwardly directed comfortable rounded rims. Portions of folding blades interlock with other folding blades on an opposite handle when the tool is folded, to stabilize the handles while using a knife or screwdriver. Blades of folding scissors include edges that are serrated only near their tips. A container opener includes a hook defining a recessed throat.

The invention specifically relates to a method for retaining vertical impact of an impacting mechanism and a vertical-lift impact-cutting digger implementing the method, belonging to the field of machinery, especially to the field of mining. The digger comprises a body, the impacting mechanism and a vertical lift mechanism, wherein the impacting mechanism comprises a guiding member and an impacting head, the vertical lift mechanism comprises a vertical lift driving unit, a lifting and moving part, a supporting seat and the like, the lifting and moving part is movably connected with the supporting seat, the supporting seat is connected with the body, the impacting mechanism is arranged on the lifting and moving part, the vertical lift driving unit drives the lifting and moving part to vertically move up and down, and the lifting and moving part drives the impacting mechanism to vertically rise and fall. The digger provided by the invention has the advantages of a long service life, a small amount of maintenance, high work efficiency, shortened body length and applicability to a complex usage occasion.

A site light includes a body, an arm coupled to the body having an adjustable arm length, a light assembly coupled to the arm opposite the body, and a drive mechanism with a crank arm rotatable about a first axis. Rotating the crank arm in a first direction causes the arm length to increase. Rotating the crank arm in a second direction causes the arm length to decrease. The drive mechanism is adjustable between a first configuration, where the crank arm can only rotate in the first direction, and a second configuration, where the crank arm can be rotated in the first direction and the second direction.

The invention relates to a method for in-hole guiding deviation rectification and steel pipe column straightening based on a one-column-one-pile back insertion method. The method comprises the steps that (1) a drilling machine is removed, and a hole opening is cleaned; (2) a 5-meter-long guiding deviation rectification device is placed in a long pile casing; (3) hydraulic oil pipe lines are connected; (4) a back insertion straightening device is placed, centered and leveled; (5) a hydraulic oil pipe of the in-hole guiding deviation rectification device is connected with a control console of the back insertion straightening device; (6) a steel pipe column is inserted into a hole to the position 50 cm higher than a concrete surface in the hole through the back insertion straightening device; (7) a support of the guiding deviation rectification device is unfolded and abuts against the outer wall of the steel pipe column; (8) the perpendicularity of the steel pipe column is adjusted; (9) the guiding deviation rectification device is locked; (10) the steel pipe column is inserted by a designed depth; (11) the perpendicularity of the steel pipe column is checked; (12) the guiding deviation rectification device is removed and hoisted away. According to the method for in-hole guiding deviation rectification and steel pipe column straightening based on the one-column-one-pile back insertion method, the difficulty in perpendicularity adjustment in the one-column-one-pile back insertion construction process is effectively reduced, and work efficiency and precision of steel pipe column straightening are improved.

A wheel truck, including: a front wheel pair assembly and a rear wheel pair assembly, two side frame assemblies, two spring suspension devices, and a bolster assembly. The spring suspension devices include a bearing spring unit, a damping spring, and a wedge. The wedge includes a primary friction surface and a secondary friction surface. The primary friction surface is attached to a column surface of the side frame assembly. The secondary friction surface is attached to an inclined surface of the bolster assembly. The wedge has the following structure parameters: α=16-30°, and μ<tgα<μ+μ1, in which a represents an included angle between the secondary friction surface and a vertical plane, μ represents a friction coefficient of the primary friction surface, and μ1 represents a friction coefficient of the secondary friction surface.

A front suspension structure includes a head pipe; an upper arm portion having a front end portion connected to the head pipe rockably about a first coupling axis and a rear end portion connected to a vehicle body frame rockably about a second coupling axis; and a lower arm portion disposed below the upper arm portion, and having a front end portion connected to the head pipe rockably about a third coupling axis and a rear end portion connected to the vehicle body frame rockably about a fourth coupling axis. The structure includes a cushion unit making a lower end portion perform a stroke as the lower arm portion rocks; the lower end portion supported in front of a middle point of a segment connecting the third coupling axis to the fourth coupling axis, and an upper end portion supported in a rear of the second coupling axis.

In a vehicle, a first left straight line, passing through a first left front connector and a first left rear connector connecting a left upper arm and a left auxiliary frame, inclines inward toward a widthwise center as the first left straight line extends rearward in a bottom view. A second left straight line, passing through a second left front connector and a second left rear connector connecting a left lower arm and a left main subframe, inclines inward toward the widthwise center as the second left straight line extends rearward in the bottom view. A central position between the first left front connector and first left rear connector in the front-rear direction is rearward relative to a central position between the second left front connector and second left rear connector in the front-rear direction.

The invention discloses an agricultural sewage treatment agent and a preparation method thereof. The sewage treatment agent comprises the following raw materials in parts by weight: 30-40 parts of anadsorbent, 15-20 parts of chitosan, 10-20 parts of sodium alginate, 10-20 parts of carbon nanotubes, 10-15 parts of modified beta-cyclodextrin, 10 -15 parts of starch, 10-15 parts of sepiolite, 5-10 parts of cellulose, 5-8 parts of chlorophyll and 3-5 parts of a bactericide. The agricultural sewage treatment agent provided by the invention can effectively remove pesticide residues from sewage, reduces the eutrophication degree of the water quality, and effectively recycles heavy metal pollutants contained in water so as to ensure that after treatment, the water quality meets standards of farmland irrigation and industrial water.

The invention discloses an arm length adjusting device and tensioning mechanism of an upper limb exoskeleton rehabilitation robot. The mechanism comprises an automatic tensioning part for automatically tensioning a power rope; the automatic tensioning part comprises a sliding plate assembly, a second sliding unit, an elastic assembly of which the original state is a compressed state, and a tensioning assembly; the sliding plate assembly is fixed to the second sliding unit, is connected to the elastic assembly in a compressed state at the same time, and can move in the length direction of the robot arm along with the second sliding unit under external acting force and acting force of the elastic assembly; meanwhile, a first supporting rod in the tensioning assembly and a second strip groovein a second supporting rod match with connecting columns; the linear motion of the sliding plate assembly in the vertical direction is converted into the change of the rotating angle between the first supporting rod and the second supporting rod; and when the rotating angle between the first supporting rod and the second supporting rod is changed, the length of the power rope wound on a leading sheave is correspondingly changed, so that automatic tensioning adjustment of the power rope is achieved.

The invention discloses troponin I monoclonal antibody magnetic particles and a preparation method thereof, and a troponin detection kit comprising the troponin I monoclonal antibody magnetic particles. According to a multi-stage amplification magnetic particle crosslinking method, biotin derivative pre-crosslinked magnetic particles are adopted and then are coated with streptavidin, and the particles are closed and react with troponin I monoclonal antibody-biotin, so that the troponin I monoclonal antibody magnetic particles are prepared. The troponin I detection kit adopts a streptavidin biotin multi-stage amplification system and has the advantages of high detection sensitivity, high specificity, small medicine interference, high result stability and the like, so that the troponin I detection kit can be suitable for cardiovascular disease clinical auxiliary diagnosis on a large scale.

The invention discloses a highway bridge construction fence. The highway bridge construction fence comprises a construction fence body, and a socket device is arranged on the right side face of the construction fence body; the weight of a bearing device is increased through cooperation of a releasing device and a reinforcing device, the gravity center of the construction fence shifts downwards, and the stability is increased; the length of a force arm between the bearing device and the ground is increased through the reinforcing device, then the external force resistance of construction fence is improved, and the stability is better; through the cooperation of the socket device, a lower locking device, an upper locking device and a control device, the construction fence which are directly stressed can be automatically separated from the adjacent construction fences, it is ensured that the adjacent construction fences cannot be brought down by the construction fences which are directly stressed, and the subsequent maintenance work is simplified; and the external force borne by the construction fence is buffered and absorbed through the bearing device, the deformation difficulty of the construction fence under the external force is increased, and the service life of the construction fence is prolonged.

The invention discloses an estradiol hapten with a structural formula as shown in the specification, an antigen and an antibody as well as preparation methods and applications of the estradiol hapten, the antigen and the antibody. Most instrument means are adopted in the traditional estradiol detecting technology, and the instrument means are complex in operation and pretreatment and high in cost. The invention provides the estradiol hapten, the antigen and the antibody as well as the preparation methods and applications of the estradiol hapten, the antigen and the antibody. The hapten is prepared by extending the arm of a feature group of estradiol, and furthermore, the antigen is prepared, so that an immune animal obtains a specific antibody; the antibody can be used for specifically identifying estradiol; due to the extension of the arm of the feature group of the hapten, the distance between the hapten and a carrier protein is increased, the steric hindrance is reduced, and the immune response of animals can be favorably stimulated to generate the antibody with stronger specificity and higher sensitivity. The inhibition ratio of the specific estradiol antibody provided by the invention to estradiol is up to 91%.

The invention provides an automatic highway card issuing system which comprises a control unit, a fixing frame, a control panel, dialing mechanisms, a card-taking button and a sensing device. A panel push-pull mechanism and card feed push-pull mechanisms are arranged in the fixing frame. Each card feed push-pull mechanism is provided with a card feed unit. The control panel is arranged on the panel push-pull mechanism in the fixing frame and can move back and forth. The sensing device is connected with a control unit. The output end of the control unit is connected with the enabling end of the panel push-pull mechanism and the card feed push-pull mechanisms. According to the invention, after the sensing device automatically senses a vehicle, the panel push-pull mechanism and the card feed push-pull mechanisms can automatically run to extend outwards; on the premise that the safety of a card-taking machine is ensured, without extending the length of the arm of a driver, the driver can easily touch the card-taking button and get a card to realize efficient cooperation of automatic card issuing and manual card taking; the efficiency of card issuing and card taking can be improved; security risks are eliminated; and the pause time of the driver is greatly reduced.

A wheel truck, including: a front wheel pair assembly and a rear wheel pair assembly, two side frame assemblies, two spring suspension devices, and a bolster assembly. The spring suspension devices include a bearing spring unit, a damping spring, and a wedge. The wedge includes a primary friction surface and a secondary friction surface. The primary friction surface is attached to a column surface of the side frame assembly. The secondary friction surface is attached to an inclined surface of the bolster assembly. The wedge has the following structure parameters: α=16-30°, and μ<tgα<μ+μ1, in which a represents an included angle between the secondary friction surface and a vertical plane, μ represents a friction coefficient of the primary friction surface, and μ1 represents a friction coefficient of the secondary friction surface.

A rotary mechanism comprising a first component (a wind turbine hub base), and a second component (a wind turbine blade base); configured for coaxial rotation relative to one another around a first axis. A mechanical linkage couples the first and second components together, allowing relative rotation and maintaining a constant spacing therebetween. The linkage is a modified embodiment of the Roberts' linkage comprising: a first rod, a second rod, a swiveling member (having a swiveling axis), and a swiveling shaft (comprising top and bottom parts); configured for constraining a relative movement of the first and second components to the coaxial rotation around the first axis. The bottom part is mounted to the swiveling shaft for swiveling around the swiveling axis. The swiveling axis and the first axis span a specific plane that is stationary with respect to a specific one of the first component and the second component.

The invention relates to a smoke dust suction device applied to laser surface decontamination. The smoke dust suction device comprises a shell and a rotating shaft, wherein a circular cavity is formed in the shell, and a first flow guide groove, a second flow guide groove and an air outlet are formed in the middle of the top, the middle of the front side and the middle of the bottom of the shell correspondingly; a plurality of first tangential air inlets and second tangential air inlets are formed in the air outlet ends of the first flow guide groove and the second flow guide groove at intervals correspondingly, the first tangential air inlets and the second tangential air inlets deviate from the axis part of the cavity, the rotating shaft is arranged in the cavity, and the two ends of the rotating shaft are rotationally connected with the shell correspondingly; and a first spiral brush and a second spiral brush are arranged at the two sides of the rotating shaft respectively, and the rotating directions of the first spiral brush and the second spiral brush are opposite. According to the smoke dust suction device, through the cooperative design of the shell and the rotating shaft, the problems that because dust in an existing adsorption pipe cannot be effectively removed, the suction capacity is reduced and the dust collection effect is affected are effectively solved.

The invention relates to a hidden safety hammer placed in a vehicle roof inner pull handle. The hidden security hammer comprises a hammer handle, a pressure regulating plug screw, a compression spring, a telescopic rod, a swivel pin, a hammer head, a self-imposed snap spring, a hammer head anti-rotation limiting structure and an axial limiting structure, wherein a screw hole, two coaxial guiding holes and a hammer head hole are formed in the hammer handle; the telescopic rod is mounted in the two guiding holes and the first guiding hole in a sleeving manner and is axially limited by the pressure regulating plug screw; the axial limiting structure is arranged between a rear guiding rod and the handheld part of the hammer handle; the hammer head is hinged with the extension end of the telescopic rod through the swivel pin; a self-closing snap spring is arranged at the hinged part in the hammer head and the extension end of the telescopic rod; when the hammer head is in a free state, the self-closing snap spring can enable the hammer head to automatically turn to be perpendicular to the telescopic rod, and a hammer drill is pointed to the lower end of the handheld part of the hammer handle; a hammer head anti-rotation limiting structure is arranged between the hammer head and the telescopic rod, when the hammer head automatically turns into the state of being perpendicular to the telescopic rod under the effect of the self-closing snap spring, the hammer head is limited from rotating around the swivel pin by the hammer head anti-rotation limiting structure, and the hammer head anti-rotation limiting structure can effectively prevent the hammer head from rotating around the swivel pin.

The embodiment of the invention provides a coaxial rotor wing control device. The output end of a gearbox of the device sleeves an outer shaft and an inner shaft separately, and the outer shaft is hinged to the inner shaft and sleeved with a second swash plate-stator and a second swash plate-rotor; and a transmission shaft is placed in the inner shaft, and an inner shaft head frame is fixedly installed on the end face of the inner shaft and hinged to the second turning rod. The transmission shaft is respectively hinged with the first turning rod and the second turning rod, the first turning rod is respectively hinged with the first pull rod and the inner shaft head frame, the connecting rod is movably hinged with the first tilting tray, the first tilting tray is hinged to the first steering engine and the first anti-torque arm, the first steering engine is hinged to the outer side wall of the gearbox, the gearbox is hinged to the second steering engine, the second steering engine is fixedly hinged with the second tilting tray, the second tilting tray-stator is hinged with the second anti-torsion arm, and the movable outer side wall of the second inclined disc is hinged to one end of a second pull rod. According to the device provided by the invention, the lifting force can be increased under the condition that the space occupied by the blades is not changed.

The invention discloses a flexible gantry type robot welding system for a steel formwork. The flexible gantry type robot welding system comprises a welding robot and walking tracks which are symmetrically arranged in parallel, wherein a welding platform is arranged between the walking tracks; a gantry is connected to the walking tracks through walking devices; a dust removal device, a control electric box, a water cooling device, a welding power supply and a welding wire barrel are connected to the top of the gantry; the welding robot is connected to the gantry in an inverted hanging manner; and a dust removal cover matched with the dust removal device is arranged at a position, above the welding robot, of one side of the gantry. Compared with the prior art, the flexible gantry type robot welding system has the advantages that the effective stroke of equipment is improved, the flexible production capacity of the equipment is improved, the labor cost is effectively reduced by adopting the robot welding system, the production efficiency is improved, and the control capacity of the production takt is improved.

Is a taping method that follows a specific set of rules based on anatomical and physiological patterns in humans. This taping method causes a change in skeletal muscle tone in the human body, when tape is directly applied to the skin of the human body over targeted tendons and surrounding structures going over joints. This taping method will inhibit the muscle tone in the antagonist muscle of the opposing side of the joint where the tape is applied, while simultaneously eliciting the agonist of the muscle that are attached by the tendon of the joint where the tape is applied.

The invention discloses a sampling device for soil remediation, which comprises a shell, and the top of the shell is fixedly connected with a driving motor. The invention relates to the field of ecological environmental protection detection sampling equipment. According to the sampling device for soil remediation, the driving motor rotates to drive a driving rod and a driven pipe to rotate; further, a drill rod is driven to descend and push a sampling pipe to move downwards into soil for sampling; a driving motor is adopted to drive the device to descend; compared with manual beating and treading, the force is greater; the downward moving stroke is longer, a handle rod, a transmission block and a claw head are matched with a tooth structure on the surface of U-shaped steel, the transmission sleeve can be lifted upwards by pressing the handle rod downwards in a reciprocating mode, the length of a force arm during lifting is effectively increased through the handle rod, the sampling pipecan be pulled out of soil more conveniently, and sampling is more convenient, faster and more labor-saving. The problems that an existing sampling device for soil remediation is small in sampling depth, and samples are not easy to take out after sampling are solved.

The invention provides a food processor and a knife group mounting structure and a stirring cup thereof, the knife group mounting structure comprises: a container bottom, wherein the bottom wall of the container bottom is provided with a mounting hole; a tool apron which is mounted at the mounting hole and is used for mounting a tool of the food processor; and a locking part which is arranged at the bottom of the container, is matched with the tool apron, is suitable for doing reciprocating motion between a tool dismounting position and a tool locking position relative to the bottom of the container, locks the tool apron to fix the tool apron when moving to the tool locking position, and unlocks the tool apron to loosen the tool apron when moving to the tool dismounting position. Accordingto the invention, the knife group can be disassembled and assembled by operating the locking part, and rapid disassembly and assembly of the knife group are facilitated. Meanwhile, the locking part is directly mounted at the bottom of the container and cannot be separated from the bottom of the container in the using process, so that the locking part can be prevented from being lost or confused with other tools; and loosening of the tool apron due to loosening of the nut when the tool rotates in one direction can be prevented, so that the use reliability of the product is improved.

The invention provides a novel sine arm for a laser small-angle measurement device. Two squared grooves are arranged at symmetric positions of two end parts of the sine arm, and hollow corner prisms are arranged at the bottom in the two squared grooves; the two hollow corner prisms are respectively and fixedly arranged on hollow corner prism mounting holes; the central area of the sine arm is in a solid structure and the back sides of the two sides of the central area are symmetrically provided with two squared grooves with inclined ribs; each hollow corner prism is formed by splicing three triangular reflecting mirrors which are of right angled isosceles triangles; vertexes of the three triangular reflecting mirrors are opposite and working surfaces of the three triangular reflecting mirrors are inwards placed; and any two of the three triangular reflecting mirrors are vertical with each other. By applying the sine arm to the laser small-angle measurement device, the flexibility of the device can be improved, the sensibility to the environmental change is reduced, and an error source for influencing the measurement accuracy of the system is reduced, so that the measurement precision and the stability of the laser small-angle measurement device are greatly improved.

A beam device comprises at least three sections of beams hinged end to end in turn. When the beam device is in a folded state, a second section of beam (2) is folded on the top of a first section of beam (1), and the beams are distributed on a first longitudinal surface (01), a second longitudinal surface (02) and a third longitudinal surface (03) paralleled with and spaced from each other. The second longitudinal surface (02) is located between the first longitudinal surface (01) and the third longitudinal surface (03). At least two sections of beams extend respectively between the first longitudinal surface (01) and the second longitudinal surface (02), and between the second longitudinal surface (02) and the third longitudinal surface (03). A concrete pump vehicle is provided with said beam device. The beam device can be provided with more beams to expand the beam spread of the beam device without increasing the length and the width of the vehicle. Under identical beam spread, the quantity of the beams can be increased so as to reduce the length of a single section of beam.

The embodiment of the present invention provides a coaxial rotor control device, the output ends of the gearbox of the device are respectively sleeved on the outer shaft and the inner shaft, the outer shaft is hingedly mounted on the inner shaft, and the second swash plate-fixing and The second swash plate moves; the transmission shaft is placed in the inner shaft, and the inner shaft head frame is fixedly installed on the end surface, and is hingedly installed on the second steering rod; the transmission shaft is respectively connected with the first steering rod and the second steering rod The rod is hinged; the first direction changing rod is respectively hinged with the first pull rod and the inner axle head frame; the connecting rod is hinged with the first swash plate; the first swash plate is fixedly hinged with the first steering gear and the first anti-torque arm respectively ; The first steering gear is hingedly mounted on the outer wall of the gearbox; the gearbox is hinged with the second steering gear; the second steering gear is hinged with the second swash plate; the second swash plate is hinged with the second anti-torsion arm ; The second swash plate-moving outer wall is hinged with one end of the second pull rod. The device provided by the invention can increase the lift force under the condition that the space occupied by the blade remains unchanged.