54results about How to "Avoid stuck conditions" patented technology

The invention provides a textile threading device which is convenient for replacing a wire barrel, and relates to the field of textile equipment. The textile on-line device for easy replacement of thread cylinders includes a workbench, the top of the workbench is respectively provided with a movable support plate and a fixed support plate, the movable support plate is located on the left side of the fixed support plate, and the fixed support plate The bottom is fixedly connected with the workbench. The textile threading device for easy replacement of the bobbins has a simple structure and is easy to use. When changing, both hands hold the push-pull plate at the same time, and then the return spring shrinks under force. At this time, the rotating rod can be released from the inner ring of the second bearing. Back out, and the block is separated from the slot, so that it can be removed directly, and insert the rotating rod on the new bobbin into the inner ring of the second bearing, so that the block enters the inside of the slot, and replace It saves a lot of time and increases work efficiency, and it takes a long time to replace it, which leads to the problem that textile products cannot be completed on time.

The invention discloses a steel ball surface quality detection system. The system comprises a sorting mechanism and a detection mechanism, wherein the sorting mechanism is arranged above the detection mechanism and used for providing a to-be-detected steel ball having standard diameter for the detection mechanism, wherein the detection mechanism comprises a frame, an inner bracket is arranged on the frame, the inner bracket is provided with a rotatable eddy current detection bracket, the eddy current detection bracket is provided with an eddy current detection probe, a detection cavity for placing the steel ball is formed by the eddy current detection bracket and the upper end of the inner bracket, the eddy current detection bracket is capable of rotating around the detection cavity, and an expanding structure for leading rubbing and finally discharging the steel ball is arranged above the detection cavity. The sorting mechanism and the detection mechanism are scientifically and reasonably improved so as to improve the efficiency and the accuracy of selecting the steel ball, the problems that the steel ball is blocked in the selecting process and the centre of the steel ball is tenderly moved in the detection process are avoided, and the precision of the steel ball detection is improved.

The invention discloses a multi-section swing arm crawler-type robot for detection of mine disasters. The robot comprises three sections of robot bodies, crawler-type traveling mechanisms, front and rear swing arm units, joint modules and power devices, wherein each section of robot body has an independent crawler-type traveling mechanism that is symmetrically arranged on the two sides of the robot body; the first and last robot bodies are respectively provided with two crawler-type swing arms; the swing arms can be controlled by a motor to rotate around the robot body; besides, crawlers of the swing arms are transmitted by driven wheels of the crawlers of the robot bodies, so as to realize synchronous rotation of the crawlers of the robot bodies and the crawlers of the swing arms; the robot bodies are connected with one another through joint devices which can realize pitching and yaw of each section of robot body; the first and last sections of robot bodies are respectively provided with the power devices; both of the two sections of robot bodies can be used to pull or push the whole robot. According to the multi-section swing arm crawler-type robot for detection of mine disasters disclosed by the invention, the integral construction of the robot is simple; the crawler-type traveling mechanisms feature excellent climbing and obstacle crossing performances; with use of the front and rear swing arms, ability of crossing vertical obstacles and relatively long gullies of the robot is improved; front and rear sets of power devices solve the problem of the robot in insufficient power in case of special terrains; utilization of multi-section construction helps greatly enhance balance and stability of the whole robot; in conclusion, a detection and rescue robot that is simple in structure, high in safety and strong in obstacle crossing ability is implemented according to the invention.

A desilting, blowing and sand sucking device for construction of a bridge foundation steel cofferdam comprises a cover body, a sand flushing device and a sand sucking device, wherein the sand flushing device and the sand sucking device are arranged inside the cover body; the sand flushing device gathers mud gravel; the sand sucking device sucks and discharges the mid gravel out of the cover. The desilting, blowing and sand sucking device for construction of the bridge foundation steel cofferdam has the advantages of being high in efficiency, good in applicability, simple in structure, good in operability, economical efficiency and application prospect, and the like.

The invention relates to a water-jacket type reverse microcirculation guiding coring device. The coring device comprises a drill bit and a clamp spring seat, wherein the clamp spring seat is nested inthe drill bit, a through water tank is arranged on the outer side wall of the clamp spring seat, a drill bit matrix and a drill bit matrix working layer are arranged at one end of the drill bit, direct water injection nozzles and side water injection nozzles communicating with the water tank are arranged on the drill bit matrix and the drill bit matrix working layer, and direct water injection tanks and side water injection tanks are further arranged in the drill bit matrix and the drill bit matrix working layer. According to the coring device, other matching structures of a rope coring drilling tool are integrated and effectively combined, so that a fractured formation can smoothly enter an inner pipe for guiding while drilling fluid is prevented from directly eroding rock cores, the rock core clamping distance is shortened during coring, and therefore, the rock core recovery rate is increased.

The invention discloses an agricultural solid waste treatment device which comprises a tank body; a feeding hole is formed in the middle part of the top end of the tank body; a discharge hole is formed in the inner wall of the bottom end of the tank body; two horizontal crushing rolls with motors are movably installed on the inner walls of the front end and the back end of the tank body respectively and are opposite in rotation directions; teeth of the two crushing rolls can be engaged and matched with one another; two vertical rotary tables with motors are movably installed on the inner wallsof the two sides of the tank body respectively, are fixedly connected with each other through one connection plate and are arranged below the crushing rolls respectively; and two horizontal guide grooves are arranged on the inner walls of the front side and the back side of the tank body respectively and are arranged below the rotary tables respectively. By adopting the agricultural solid waste treatment device provided by the invention, agricultural solid wastes can be crushed with the size reduced, so that in the transportation process, a vehicle can load more agricultural solid wastes, thenumber of times of transportation and transportation energy consumption are reduced; and meanwhile, in the treatment process, metals with magnetism in the solid wastes are recovered and can be subjected to resource reuse, so that the resource utilization ratio is increased, and the resource waste is reduced.

The invention discloses a transferring device of a billboard. The transferring device includes a base. The upper surface of the base is evenly and fixedly provided with a plurality of damping springs.The ends, away from the base, of the multiple damping springs are jointly and fixedly connected with a fixed table. A plurality of limiting rods are fixedly connected between the upper surface of thebase and the lower surface of the fixed table. One side of the fixed table is in hinge connection with a supporting table. A symmetrical first groove and a second groove are separately formed in theside wall, opposite to the supporting table, of the fixed table. The two opposite side walls of the first groove and the second groove are connected with a first electric pushing rod through a rotating shaft jointly and rotatably. The supporting table is of a hollow structure. A supporting plate is fixedly arranged in the supporting table. The side, close to an opening, of the supporting plate isperpendicularly and fixedly provided with a plurality of second electric pushing rods. The ends, away from the supporting plate, of the multiple second electric pushing rods are jointly and fixedly connected with a sliding plate. The transferring device is simple and reasonable in structural design, convenient to operate, wide in application scope, and saving in labor force, and the movement of the device is facilitated.

The invention provides an environment-friendly fan capable of quickly replacing a filter device, and relates to the field of fans. The environmental protection fan that can quickly replace the filter device includes a fan cover, a ventilation box and a support frame. The fan cover is located on the left side of the ventilation box and is fixedly connected with the ventilation box. Fixedly connected, the bottom of the support frame is fixedly connected with a base, the right side of the ventilation box is provided with a ventilation slot communicating with the fan cover, and the right side of the fan cover is fixedly installed with a fan device inside the ventilation slot , the top of the ventilation box is provided with a sealing groove, the inner wall of the sealing groove is provided with a stopper, and the outer surface of the stopper is sleeved with a rubber sealing ring suitable for the sealing groove. The environmental protection fan capable of quickly replacing the filter device has a simple structure and is convenient to use, and can quickly replace the filter device on the fan, saving replacement time and avoiding troublesome problems during replacement.

The invention puts forward a screw propelling type high-pressure solid-liquid separation machine. A screw extrusion propelling rod is longitudinally mounted in a protection cover of the separation machine; a screen is mounted on the periphery of the screw extrusion propelling rod; the screen is fixedly connected with the protection cover through a screen reinforcing frame; the screw extrusion propelling rod is divided into two discontinuous sections; a through shaft of the screw extrusion propelling rod is sleeved with a plurality of replaceable loose-joint shaft sleeves; and a secondary extrusion section of the screw extrusion propelling rod and the plurality of replaceable loose-joint shaft sleeves can be taken down from the through shaft to change positions. The problems that blockage of materials is caused easily due to the fact that the section of the screw extrusion propelling rod and the section of the protection cover are changed from big to small, the equipment loss is high during extrusion, the damage caused by the materials to the screen is high during extrusion and equipment is required to be maintained frequently in the prior art are solved. According to the screw propelling type high-pressure solid-liquid separation machine, the screw extrusion propelling rod and the protection cover adopt the non-variable-section design, a separation zone is designed for buffering, thus the energy consumption is lower, and the dehydration process is smoother.

The invention relates to an FRP tank body flexible grinding device. The flexible grinding device comprises a machine frame, two air cylinders horizontally arranged on the machine frame, a support, a pneumatic grinding machine which is arranged on the support and is back onto one sides of the air cylinders, a sliding rail which is vertically arranged on the support and faces one sides of the air cylinders, and a sliding block which cooperates with the sliding rail, a push rod of the air cylinder located on the upper layer is hinged to the support, a push rod of the air cylinder located on the lower layer is hinged to the sliding block, the working face of the pneumatic grinding machine is abrasive paper, and a sponge layer is arranged on the inner side of the abrasive paper. The FRP tank body flexible grinding device is small in weight, simple in structure, low in cost and capable of finishing grinding of cambered surface, deformation and local concave-convex parts.

The invention discloses a longitude/latitude rotating piece which consists of a positioning slide block which can rotate along the latitude line direction and the longitude line direction and a plurality of free slide blocks; and the side face of the longitude line of each free slide block is provided with a longitude line chute, a fixed pole transition block which can slide along with the longitude line chute of each free slide block is arranged on the positioning slide block, the fixed pole transition block is stridden over the intersection of the longitude line chutes of each free slide block which is annularly arranged at one intercrossed pole of the rotation direction of the longitude line, the positioning slide block is in sliding connection with the adjoining free slide blocks, and the free slide blocks are in sliding connection with one another.

The invention provides an anti-explosion gill net self-adaptive winding and unwinding system which comprises a vehicle speed detection device, a main controller and a first driving device which are electrically connected in sequence, and further comprises a poking wheel and an anti-explosion gill net. The first driving device is connected with the poking wheel; the poking wheel is in contact withthe anti-explosion gill net; the anti-explosion gill net is of a telescopic cylindrical structure; the head of the anti-explosion gill net is fixed to the front end of a compartment of an anti-explosion gill net vehicle, and the poking wheel is used for driving the anti-explosion gill net to move under the driving of the first driving device so as to achieve winding and unwinding. By arranging thevehicle speed detection device and the main controller, the vehicle speed detection device can obtain the running speed of the anti-explosion gill net vehicle in real time, and the main controller calculates the rotating speed matched with the first driving device based on the speed combined with the radius of the poking wheel, so that self-adaptive control over the poking wheel is achieved, theanti-explosion gill net can be smoothly wound and unwound, and the situations of scattering and jamming are avoided. In addition, the invention further provides an anti-explosion gill net self-adaptive winding and unwinding method.

The invention relates to a quantitative bundling device for stick vegetables. The quantitative bundling device for stick vegetables comprises a machine frame, a conveying assembly, a support assemblyand a knotting assembly, wherein the conveying assembly, the support assembly and the knotting assembly are supported through the machine frame; the conveying assembly can be used for conveying vegetables to the support assembly; the knotting assembly can be used for completing knotting on bundled vegetables on the upper surface of the support assembly; a weighing mechanism is arranged in the support assembly; the weighing mechanism can weigh vegetables to be bundled; a baffle plate is arranged between the conveying assembly and the support assembly; and the baffle plate can control the break-and-make state of the vegetable conveying process of the conveying assembly to the support assembly and further control the weight of the vegetables to be bundled in the position of the support assembly.