165results about How to "Prevent overtravel" patented technology

A powered gait orthosis is provided for exercising the legs of a patient, and includes a treadmill for acting on the feet of the patient and a pair of gait simulation assemblies disposed adjacent to the treadmill. Each gait simulation assembly includes a support arm including pivotally movable first and second depending arms, which further include drive means for movement thereof about first and second horizontal axis. The device further includes first and second attachment means on the first and second depending arms, for attachment to a patient's thigh and ankle, respectively. A lifting means including a drive means is supported in a vertically extending tower, which houses a gait simulation assembly. The lifting means lifts and holds a patient on the treadmill. Control means is provided to operate the depending arms in a controlled manner to cause the legs of the patient to move in a desired gait.

An apparatus for cutting stone which utilizes both a circular saw and a water jet. Both the saw and the water jet are mounted on a gantry, which moves along tracks. All the parts are under the control of the CNC device. The saw is used for straight cuts and curves where possible. The water jet, which is slower and more expensive to operate is only used where the saw cannot be used. The water jet is used to finish a saw cut to avoid any overtravel.

The invention discloses an automatic stirring and feeding equipment for pig farms, which comprises a casing, a first sliding chamber is arranged inside the left side of the casing, a first guide groove is arranged on the left inner wall of the first sliding chamber, a first sliding The casing on the right side of the chamber is provided with a second sliding chamber connected with the first sliding chamber, the casing on the right side of the second sliding chamber is provided with a discharge hole extending up and down, and the top of the second sliding chamber is provided with a horizontal through discharge hole. The material hole and the partition guide groove extending to the right, the top of the discharge hole is provided with a funnel-shaped hopper, the top of the funnel-shaped hopper is provided with a feed hopper, the housing above the first sliding chamber is provided with a third sliding chamber, the third The inner walls of the left and right sides of the sliding cavity are symmetrically provided with a third guide groove, and a screw is provided in the first sliding cavity, the bottom of the screw is connected with the power of the first motor, and the upper screw is threaded and connected with a moving block; the present invention is simple in structure, reasonable in design, and easy to operate It is simple, the manufacturing cost is very low and the maintenance cost is low. It is suitable for small and medium-sized farmers. It can automatically control the feeding work and reduce the labor load of workers.

Disclosed is a numerical control device provided with a retracted direction determination unit for determining a direction different from a linear axial direction upon which a tool deviates from a movable range as a retraction direction of the tool if the tool is determined to deviate from the movable range; and a tool trace correction unit for correcting a trace of the tool so that, on the basis of the retraction direction, the distance between the tool and the rotational center of the table during when the tool is retracted is greater than or equal to the distance between the tool and the rotational center of the table at the rotation starting time or rotation completion time for the table. According to the disclosed numerical control device, if a table rotation instruction which causes stroke-over to occur upon a linear axis is made while executing control with a coordinate system that is different from the coordinates of a mechanical system, it is possible to avoid stroke-over while avoiding interference between the tool and a work.

The invention discloses novel bridge maintaining equipment. The novel bridge maintaining equipment comprises a material box, a first sliding cavity is formed in the left side of the material box, a first guide groove is formed in the inner wall of the left side of the first sliding cavity, and a second sliding cavity communicating with the first sliding cavity is formed in the portion, located at the right side of the first sliding cavity, of the material box; an arrangement groove arranged in a vertical-extending mode is formed in the portion, located at the right side of the second sliding cavity, of the material box, a closed groove penetrating through the arrangement groove and extending rightwards is formed in the top of the second sliding cavity, a cone-shaped cavity is formed in the top of the arrangement groove, and a feeding cavity is formed in the top of the cone-shaped cavity; and a third sliding cavity is formed in the portion, located above the first sliding cavity, of the material box, third guide grooves are symmetrically formed in the inner walls of the left and right sides of the third sliding cavity, a screw rod is arranged in the first sliding cavity, a first driver is connected with the bottom of the screw rod, and a lifting block is connected to the screw rod in a threaded fit mode. According to the novel bridge maintaining equipment, the structure is simple, the design is reasonable, operation is simple, stirring and discharging work can be automatically controlled, the labor capacity of workers are reduced, the construction and maintenance speed is enhanced, meanwhile the lighting function is achieved, the use cost is low, and current requirements are met.

The invention discloses an automatic anti-sedimentation device for a textile assistant. The device comprises a support leg and a stirring motor, wherein a stirring box is fixedly connected with the upper surface of the support leg; a feeding hole and a discharging hole are respectively formed in the surface of the stirring box; a first bearing and a second bearing are respectively fixed on the inner bottom wall and the inner top wall of the stirring box; a supporting plate is fixedly connected with the middle part of the support leg; the stirring motor is fixedly arranged in the middle of the supporting plate; an output shaft of the stirring motor is fixedly connected with a rotating shaft through a coupler. The automatic anti-sedimentation device for the textile assistant can achieve the effect of positively and negatively turning the stirring motor, and meanwhile, the effect of the stirring motor capable of automatically positive and negative turning also can be achieved, the effect of positively and negatively stirring the textile assistant in the stirring box can be achieved, the problem of centrifugal separation of the matters in the textile assistant can be effectively avoided, a contact block connected with the surface of a contact rod can ascend and descend, and an upper travel switch, a lower travel switch, an upper limiting switch and a lower limiting switch can be conveniently touched.

An advertising board installation device with a U-shaped infrared sensor comprises an advertising board bearing frame (3) and a plug hole type fixing module fixedly embedded into a building wall, wherein side plates of the front side of the advertising board bearing frame (3) are used for installing an advertising board, the advertising board bearing frame (3) is provided with a cavity in the inside, a positioning plate (31) is fixedly arranged in the cavity and used for limiting the retraction position of extensible fixing columns (4) in side plates of the back side of the advertising board bearing frame (3), and a pressing spring (42) is arranged in the cavity and used for pressing the extensible fixing columns (4) towards the positioning plate (31) so as to be in a retraction position.

A waste containment apparatus fits within, the same physical envelope as a typical 6 cubic yard bin. The apparatus has lifting fittings to permit conventional lifting and dumping by a garbage truck. The bin has, internally, a compactor including a motor and a compaction head driven by the motor. The working mechanical assemblies and the electrical control unit are mounted well above the inlet chute. The lifting height of the inlet chute is significantly lower than the top opening level of the bin. The unit has an internal refuse flow accumulation path, and internal members such as deflector plates. The unit may have a liquid drain and collection sump. The sump may have a sump heater. The unit has at least one weighing skid that responds to a weight condition in the event that the bin is loaded to an extent that may make it difficult for a lift truck to raise and tip.

The invention relates to a discharging mechanism. A conveying assembly is installed on a bottom plate, and multiple poking blocks are installed on a conveying belt of the conveying assembly. A front and back adjustment assembly is installed on the bottom plate, and a left and right adjustment assembly is installed on the front and back adjustment assembly. Two discharging carrier tool sets are arranged inside the left and right adjustment assembly. The discharging mechanism further comprises two supporting-carrying assembly sets, each discharging carrier tool set corresponds to one supporting-carrying assembly set, and the supporting-carrying assemblies can support products inside the discharging carrier tools. The front and back adjustment assembly can adjust the width of the discharging carrier tools. The left and right adjustment assembly can adjust the length of the discharging carrier tools. The conveying assembly drives the poking blocks to poke one square product on the bottommost layer inside each discharging carrier tool to move forwards. The discharging mechanism can be adapted to discharging products of different lengths.

The invention discloses a coating matching device which comprises a matrix. A first slide cavity is arranged inside the left side of the matrix, a first guide groove is formed in the inner wall of the left side of the first slide cavity, a second slide cavity which is communicated with the first slide cavity is arranged in the matrix and is positioned on the right side of the first slide cavity, an output groove is formed in the matrix in an extension manner in the up-down direction and is particularly formed in the right side of the second slide cavity, an enclosed groove which is perforated through the output groove and extends towards the right side is formed in the top of the second slide cavity, a hopper-shaped portion is arranged on the top of the output groove, a stirring portion is arranged on the top of the hopper-shaped portion, a third slide cavity is arranged in the matrix and is positioned above the first slide cavity, third guide grooves are correspondingly formed in the inner walls of the left side and the right side of the third slide cavity, a spiral rod is arranged in the first slide cavity, a first electric rotary machine is connected with the bottom of the spiral rod, and a pushing and lifting block is fittingly connected onto the spiral rod in a threaded manner. The coating matching device has the advantages that the coating matching device is simple in structure, reasonable in design and easy to operate, stirring and discharging work can be automatically controlled, and accordingly the amount of labor can be reduced for workers; the coating matching device is low in service cost, uniform stirring effects can be realized, the stirring efficiency can be improved, and existing requirements can be met.

The invention relates to a temporary cross arm capable of operating in an alive state. The temporary cross arm comprises a lifting sliding tube, a lifting fixing tube, a telescopic sliding tube, a telescopic fixing tube, a first driving device, a second driving device and a controller. The lifting sliding tube slidably sleeves the lifting fixing tube. The telescopic fixing tube is mounted on the lifting sliding tube. The telescopic sliding tube slidably sleeves the telescopic fixing tube. The telescopic sliding tube is provided with a wire clamp. The first driving device is in driving connection with the lifting sliding tube. The second driving device is in driving connection with the telescopic sliding tube. The first driving device and the second driving device are electrically connected with the controller. The temporary cross arm capable of operating in an alive state is easy to install and adjust and high in operation efficiency, and can adjust the height and position of a line wire according to an actual situation so as to prevent damage to line equipment and the line wire due to over traction.

The invention relates to a material bag automatic filling and opening sealing integration facility. The material bag automatic filling and opening sealing integration facility comprises a bag fillingmachine and an opening sealing machine. An automatic bag opening device is arranged in a material outlet of the bag filling machine. The opening sealing machine is located at the bottom of the automatic bag opening device and comprises a fixing frame, a supporting and vibrating compaction device, a material push power unit, a bag holding device and an opening sealing portion. The lower end of a woven bag is located on the upper portion of the supporting and vibrating compaction device. The lower portion of the bag holding device is connected with a lower sliding rail in a sliding mode, and thelower sliding rail is installed on the lower portion of the fixing frame. The working end of the material push power unit is fixedly connected with one side of the bag holding device through a push-and-pull rod assembly so as to drive the bag holding device to slide leftwards and rightwards on the lower sliding rail. According to the material bag automatic filling and opening sealing integrationfacility, the empty woven bag is clamped by the automatic bag opening device, the bag holding device conducts bag holding operation on the material bag, the supporting and vibrating compaction devicecan vibrate materials in the material bag, the opening sealing portion conducts opening sealing operation on a feeding inlet of the material bag, and therefore the material filling, bag holding, vibrating compaction, opening sealing and discharging integration operation can be accomplished, the degree of automation is high, and the facility has the high market application value.

The invention discloses a quality detection device for a door/window screen, belonging to the field of quality detection. The quality detection device disclosed by the invention comprises an overall frame, a screen clamping mechanism, a detection mechanism and a loading mechanism, wherein the screen clamping mechanism adjusts the relative height of a screen fixing rod on the overall frame by utilizing a tensioning mechanism; a screen fixing clamping groove is formed in the overall frame, and the upper and lower sides of a to-be-detected screen are clamped by virtue of the screen fixing clamping groove and the screen fixing rod; the detection mechanism comprises a driving motor, a lead screw sliding table, a support frame, a detection meter bracket, a digital indicator and a sliding rail; the lead screw sliding table is driven by the driving motor and is used for driving the support frame to move along the horizontal direction; a measuring head of the digital indicator faces the to-be-detected screen, and the digital indicator is positioned in the middle of the to-be-detected screen; and the loading mechanism hooks the to-be-detected screen by virtue of a hook so as to realize tension loading of the to-be-detected screen. The special detection device and method are designed according to the screen detection standard, the structure is simple, the detection is convenient, and the intelligent degree is high.

The invention discloses automatic stirring and feeding equipment for pig raising. The equipment includes a housing, the left side of the housing is internally provided with a first sliding cavity, the inner wall of the left side of the first sliding cavity is provided with a first guide groove, the portion, on the right side of the first sliding cavity, of the housing is internally provided with a second sliding cavity communicated with the first sliding cavity, the portion, on the right side of the second sliding cavity, of the housing is internally provided with a discharge hole extending up and down, the top of the second sliding cavity is provided with a partition plate guide groove which transversely penetrates through the discharge hole and extends to the right side, the top of the discharge hole is provided with a funnel-shaped hopper, the top of the funnel-shaped hopper is provided with a feeding hopper, the portion, above the first sliding cavity, of the housing is internally provided with a third sliding cavity, the inner walls of the left side and the right side of the third sliding cavity are symmetrically provided with third guide grooves, a threaded rod is arranged in the first sliding cavity, the bottom of the threaded rod is in powered connection with a first motor, and the threaded rod is connected with a moving block in a screw-thread fit mode. According to the equipment, the structure is simple, the design is reasonable, the operation is simple, the manufacturing cost and the maintenance cost are very low, the equipment is suitable for small and medium-sized farmers to use, feeding work can be automatically controlled and the labor amount of workers is reduced.

The embodiment of the invention discloses a linear motor overtravel control method. The method comprises the following steps: acquiring a maximum target acceleration value of the linear motor; obtaining a time domain threshold of the linear motor, wherein the time domain threshold is the maximum acceleration when the linear motor does not have an overtravel phenomenon; when the maximum target acceleration value is greater than or equal to the time domain threshold, acquiring an excitation voltage corresponding to the time domain threshold; determining an adjustment range of a maximum input excitation voltage of the linear motor based on the excitation voltage; and controlling the maximum input excitation voltage to be within the adjustment range to drive the linear motor to vibrate, so that the overtravel phenomenon of the linear motor is avoided, the tactile feedback effect of the linear motor is improved, and the structural design efficiency is improved. In addition, the invention further provides a linear motor overtravel control device, computer equipment and a storage medium.

The invention relates to a vertical supporting device which comprises an inner guiding base and an outer guiding sleeve located on the outer layer of the inner guiding base, wherein a guiding pillar which can slide along the axial direction is disposed between the inner guiding base and the outer guiding sleeve, a motor installation base is installed on the end part of the inner guiding base, a servo electric cylinder is placed inside the inner guiding base and fixed with the motor installation base, a connecting base connected with a push rod of the servo electric cylinder is installed on the guiding pillar, a supporting bulb is installed on the connecting base, and the supporting bulb is placed on a ball socket supporting base to form ball joint floating supporting; and an anti-rotation connecting plate is fixed on the guiding pillar, an anti-rotation base is fixed on the side wall of the outer guiding sleeve, an anti-rotation rod is disposed in parallel with the axial direction of the push rod of the servo electric cylinder, one end of the anti-rotation rod is fixed on the anti-rotation base, and the other end passes through a guiding hole in the anti-rotation base. A guiding part and a transmission part coincide at positions and heights, and both the inner guiding and the outer guiding are adopted in the guiding pillar to keep good guiding performance and rigidity. As vertical guiding, the guiding pillar has large rigidity, so that guiding deviation caused by force carrying does not take place.

The invention belongs to the technical field of storing devices and particularly relates to a chip manufacturing based storing device with a protective structure. The chip manufacturing based storingdevice comprises a storing device main body and a clamping buckle; a sliding plate is mounted in the storing device main body; a pushing block is arranged on the outer side of the sliding plate; a limiting rod is mounted on the outer wall of the pushing block; a first spring is arranged on the edge side of the limiting rod; a mounting block is mounted on the edge side of the first spring; an opening-closing door is mounted on the outer wall of the storing device main body; a first rotary shaft penetrates through the opening-closing door; a torsional spring is arranged on the edge side of the first rotary shaft; a slot is formed in the outer wall of the sliding plate; a fixture block is mounted on the inner wall of the storing device main body; and a pull rod is arranged on the outer wall of the fixture block. The chip manufacturing based storing device can be automatically fixed after a chip placing disc is accommodated, has a better protective structure and better vibration reducing effect and can be conveniently placed in a superposed manner.

The invention discloses waste treatment equipment which comprises a main body. An extruding cavity is formed in the main body; a regulating cavity is formed in the position, on the lower portion of the extruding cavity, in the main body; a transverse groove is formed in the inner top wall of the extruding cavity in a left and right extending mode; a sliding block is arranged in the transverse groove; an extruding power device is fixedly arranged on the end face of the front side of the sliding block; the bottom of the extruding power device is provided with an extruding head which stretches into the extruding cavity and is rotatably connected with the extruding cavity in a matched mode; first guiding grooves and second guiding grooves formed in the upper portions of the first guiding grooves are formed in the inner side faces of the left side and the right side of the extruding cavity correspondingly; first guiding rods are arranged in the first guiding grooves in an up and down extending mode; and first square grooves are formed in the inner top walls of the second guiding grooves. The waste treatment equipment is simple in structure, waste can be extruded into waste blocks with different sizes and different densities according to different requirements, the size is reduced, the landfill space is saved, the deodorization effect is good, the requirement of extrusion work of the waste in waste boxes with different specifications is met, self fixation can be achieved, and the working efficiency is high.

The invention discloses a hidden automatic opener of an electric control side-hung door. The hidden automatic opener comprises a door frame, one side of the door frame is rotationally connected with adoor leaf through a hinge, and one end of the door frame is fixedly connected with a slide rail in an embedded mode. According to the hidden automatic opener, by arranging a PLC driving panel, control commands of upper devices are converted,a direct current motor is driven to rotate,so as to form stable torque, a sliding block moves to support a connection shaft to support openthe door leaf, andclose the door leaf, so as to realize automatic control fordoor opening and closing,the speed is adjusted by a deceleration gear and a torque limiting wheel to obtain stable torque, control of angle opening and closing can be realized by arranging limiting teeth in the slide rail, and over run is effectively avoided bylimit stopping blocks on both sides and anti-collision springs. According to thehidden automatic opener, automation of the side-hung door can be effectively improved, home intelligent can be effectively achieved, the structure is simple, and beauty and integrity are high.

The invention discloses a convenient processing apparatus, comprising an apparatus body, wherein the interior of the left side of the apparatus body is provided with a first sliding chamber; the left inner wall of the first sliding chamber is provided with a first guiding and conveying groove; a second sliding chamber communicated with the first sliding chamber is arranged in the part, located at the right side of the first sliding chamber, of the apparatus body; a discharging channel arranged to extend upwardly and downwardly is mounted in the part, located at the right side of the second sliding chamber, of the apparatus body; the top of the second sliding chamber is provided with a separating groove communicated with the discharging channel and extending rightward; the top of the discharging channel is provided with a hopper; the top of the hopper is provided with a stirring part; a third sliding chamber is arranged in the part, located above the first sliding chamber, of the apparatus body; the inner walls of the left and right sides of the third sliding chamber are correspondingly provided with third guiding and conveying grooves; a bolt is arranged in the first sliding chamber; the bottom of the bolt is connected with a first motor; and the bolt is in screw-thread fit with a touch press block. The convenient processing apparatus provided by the invention is simple in structure, reasonable in design, simple to operate and capable of automatically controlling stirring and discharging operations; and the convenient processing apparatus has a prompting function, can reduce the amount of labor work, is good in stirring effect, enables food safety to be high and improves work efficiency.