56results about How to "Achieve a firm fixation" patented technology

A bolt limiting type suspension cushion assembly comprises an upper framework, vulcanized rubber and a lower framework, wherein the upper framework and the lower framework are vulcanized integrally through the vulcanized rubber; and downward turning edges are arranged on two sides of the upper framework, upward turning edges are arranged on two sides of the lower framework, the two upward turning edges are arranged on outer sides of the two downward turning edges, and the downward turning edges are matched with the adjacent upward turning edges in a limited manner through limiting bolts fixedly connected with the outer sides of the downward turning edges. The assembly is convenient to install, good in damping effect and capable of effectively preventing tearing of the vulcanized rubber and prolonging the service life.

The invention relates to the technical field of disassembling of electronic equipment, and particularly relates to a disassembling jig. The disassembling jig comprises a bearing assembly, a clamping assembly and a cover plate assembly, the bearing assembly is used for bearing a carrier containing a to-be-disassembled part, the clamping assembly is movably connected with the bearing assembly, the cover plate assembly is rotatably connected with the bearing assembly, and when the cover plate assembly and the bearing assembly are in a locked state, the cover plate assembly and the clamping assembly jointly clamp the carrier and the to-be-disassembled part. When an operator disassembles the to-be-disassembled part in the carrier, the carrier and the to-be-disassembled part can be prevented from shaking so that the carrier and the to-be-disassembled part are stably fixed, and accurate disassembling of the to-be-disassembled part is guaranteed.

The invention relates to the technical field of transportation vehicles, and discloses an urban rapid transportation vehicle. The urban rapid transportation vehicle includes a scooter body, the upperend, corresponding to a pedal, of the scooter body is fixedly connected with a buffer box, the inner wall of the buffer box is slidably connected with a buffer plate, the lower end of the buffer plateis connected with the inner wall of the bottom of the buffer box through a plurality of buffer mechanisms, the upper end of the buffer plate is uniformly and fixedly connected with a plurality of supporting blocks, the upper ends of the multiple supporting blocks extend out of the buffer box through an opening formed in the upper end of the buffer box and are fixedly connected with the same support plate, the upper end of the buffer plate and the inner wall of the top of the buffer box are uniformly and fixedly connected with a plurality of buffer rubber rings, a plurality of buffer springs are uniformly and fixedly connected between the upper end of the buffer box and the lower end of the support plate, a fixing barrel is fixedly connected to the rear side, corresponding to the upper endof a bottom plate, of the scooter body, and the fixing barrel internally and movably sleeves a lifting rod. According to the urban rapid transportation vehicle, the advantages of good shock absorption and cushioning and more comfortable use of people are achieved.

The invention relates to a chisel holder for a ground-processing machine, in particular a surface miner, a road-milling machine or the like, comprising a holding extension which has a chisel receptacle and/or bears a cutting element. In order to improve the operational reliability of a ground-processing machine, it is proposed according to the invention that the holding extension has, behind the cutting element or behind a receiving region of the chisel receptacle, as viewed in the tool advance direction, a wear protection element with a hard material element for fulfilling an anti-friction property.

The invention provides a large link-pin assembling/disassembling/conveying device for crawler cranes, and the device provided by the invention comprises a support, a clamping plate, baffle plates, blocking pins and a pulling pin, wherein the support mainly comprises an arc-shaped supporting plate and two channel rails; one side of the arc-shaped supporting plate is provided with a U-shaped baffle plate, the other side of the arc-shaped supporting plate is provided with a hollow ring baffle plate, and a link pin can pass through the middle part of the ring baffle plate; the two channeled rails are provided with four hoisting points which are adjusted to proper positions on a crane main body, and one end of the support can be fixed onto the crane main body by use of bolts; the clamping plate close to the U-shaped baffle plate is fixed on the support; the baffle plates are fixed in the support by virtue of the blocking pins; and the pulling pin is fixed on the two channeled rails. The large link-pin assembling/disassembling/conveying device provided by the invention has the advantages that the device can be used for carrying out fractional assembling/disassembling on link pins by using a pulling-pin cylinder; the device is simple in structure and convenient to operate; and when the device is used for conveying, the firm fastening of link pins can be realized, so that the device is safe and reliable, and the labor intensity of operators and the operating costs can be lowered, therefore, the device has higher application value.

The invention discloses an external mandibular fracture fixator and a fixing method thereof. The fixator comprises an outer fixing rod and a locking assembly, wherein the outer fixing rod is providedwith a through groove, the locking assembly comprises a locking bolt, an upper locking nut and a lower locking nut, the edge of the through groove is provided with a groove edge chamfered inclined plane, the upper locking nut and the lower locking nut are provided with nut chamfered inclined planes, the nut chamfered inclined planes can be in contact with the groove edge chamfered inclined plane,the locking bolt comprises a first externally threaded section, a second externally threaded section and a tip end, and the upper locking nut and the lower locking nut are arranged on the first externally threaded section at an interval. The external mandibular fracture fixator and the fixing method thereof have the advantages that the outer fixing rod is provided with the through groove used forcontaining the locking bolt, and the chamfered inclined planes cooperating with one another are arranged, so that not only can the outer fixing rod be separated from the locking bolt, thereby facilitating an operation, but also the contact area between the upper and lower locking nuts and the outer fixing rod is increased, thereby achieving the technical purpose of firmly fixing the outer fixing rod and the locking bolt.

The invention discloses a wireless communication network test data acquisition and analysis device and method, and the device comprises an acquisition and analysis device main body, an antenna, a height adjustment assembly, a data acquisition camera, a fixing assembly, and an angle adjustment assembly. The height adjusting assembly comprises an adjusting rod, an adjusting cavity, a supporting plate, a ball nut, a ball screw, a limiting block, a first servo motor and a guide rod, the fixing assembly comprises a suction cup, a fixing block, a piston cavity, a piston head, a piston rod, a drivenbevel gear, a driving bevel gear, a rotating rod, a crank and a bearing, and the angle adjusting assembly comprises a gear ring, a straight gear, a second servo motor and a support. According to the wireless communication network test data acquisition and analysis device and method, the angle and height of the acquisition device can be conveniently adjusted through the height adjusting assembly and the angle adjusting assembly, adjustment is convenient and rapid, data acquisition is facilitated, meanwhile, the acquisition and analysis device body can be stably fixed to a plane needing to be fixed through the fixing assembly, and use is convenient.

The invention provides a fixing device, a heating element assembly and a device with the heating element assembly. The fixing device comprises the following parts of a fixing structure comprising a fixing body and an accommodating cavity provided on the fixing body and suitable for accommodating a heating element, wherein one end of the fixing body is provided with an opening communicated with theaccommodating cavity; a limit structure movably connected to the end of the fixing body with an opening and suitable for moving closer to or away from the accommodating cavity under the action of external force; and a locking structure used to lock the relative position between the limit structure and the fixing body. By adjusting the relative movement between the limit structure and the fixing body, the limit structure and the heating element lean against each other such that the heating element is clamped between the limit structure and the cavity wall of the accommodating cavity to firmlyfix the heating element, thereby fixing the distance between the heating element and the temperature limiter after fixing a temperature limiter on the fixing structure or other structures, so as to effectively ensure and improve the temperature detection effect of the temperature limiter.

The invention relates to a cervical posterior approach Y-shaped plate and a manufacturing method thereof. The cervical posterior approach Y-shaped plate is a Y-shaped structure body composed of ends with a V-shaped opening and a tail, wherein the ends with the V-shaped opening are formed by two branched structures, and a V-shaped combination part of the two branched structures extends to form the tail. Through holes are formed in the branched structure on one side and the tail, wherein an included angle ranging from 95 degrees to 140 degrees is formed between the extending direction of the branched structure with the through hole and the extending direction of the tail; and an included angle ranging from -20 degrees to 20 degrees is formed between the extending direction of the branched structure without the through hole and the extending direction of the tail. When the cervical posterior approach Y-shaped plate is manufactured, after a medical injection molding material is injected into a mold under the conditions of the injection molding temperature and pressure, cooling molding is carried out. The cervical posterior approach Y-shaped plate can have the performance like the mechanical strength and tenacity matched with the human bone, the good biological activity and the good biocompatibility; stress shielding can be effectively reduced; fusion of a postoperation product and tissues and supporting expansion on the canalis vertebralis can be facilitated; decompression of a re-closing operation can be effectively controlled; and a guarantee is provided for stabilization and effective fusion of canalis vertebralis opening expansion.

The invention provides a jig for an aluminum profile. The jig is used for fixing the hollow aluminum profile. The jig comprises at least one hanger, and each hanger is of a U shape; two arms of the Ushape have elastic restoring force and stretch towards the outer side; at least one protruding part extending towards the outer side is arranged on each arm of the U shape; when the aluminum profile is fixed, an extrusion force towards the inner side is applied to the two arms of the U shape, so that the hangers extend into a hollow part of the aluminum profile, the extrusion force is released toenable the protruding parts to be in contact with the inner wall of the aluminum profile, the elastic restoring force towards the outer side is applied to the inner wall, so that the aluminum profileis fixed on the hangers. By adopting the technical scheme, the outer surface of the aluminum profile is prevented from being damaged in an oxidation processing process of the aluminum profile; firm fixation of the aluminum profile is realized so that the aluminum profile is prevented from slipping off; batch production is facilitated, the utilization rate of an oxidation tank is improved; and structure is simplified, and operation is convenient.

The invention relates to the technical field of soil source heat pumps, and discloses a soil source heat pump energy-saving heat supplementing device which comprises a water storage tank. The bottom of the water storage tank is fixedly connected with a plurality of U-shaped heat exchange pipes arranged front and back, the two ends of each U-shaped heat exchange pipe penetrate and extend into the water storage tank, and the outer side of the horizontal part of each U-shaped heat exchange pipe is sleeved with a heat exchange sheath; every two front-and-back adjacent U-shaped heat exchange pipesare fixedly communicated through a plurality of communicating pipes, the upper end of the water storage tank is fixedly communicated with a water inlet cylinder and a water outlet cylinder, connectingpipes are inserted into the water inlet cylinder and the water outlet cylinder in a sleeved mode, and the upper ends of the two connecting pipes are fixedly communicated with a cold water pipe and ahot water pipe correspondingly; and a pump machine is fixedly arranged on the inner wall of the right side of the water storage tank. According to the soil source heat pump energy-saving heat supplementing device, effective heat supplementing operation can be carried out when a soil heat source is insufficient, and the heat supply requirement of a user is met.