36results about How to "Avoid side bends" patented technology

The probe has a probe pin (2) with a probe element (6) for scanning an object (5) by moving relative to a base body (1) against a spring force. The probe pin is biased in the measuring direction (X) by several spring elements (7,8). A guide element (4) is provided between each two spring elements. The guide element is displaceably mounted on the probe pin and on the base body.

The invention relates to a T-profile manufacturing tool, and belongs to the technical field of ship repairing and building. The T-profile manufacturing tool comprises a fixed platform (1). The fixed platform (1) comprises left and right side plates (1.1) arranged parallel to each other and an intermediate supporting plate (1.2), and top plates (1.4) are respectively arranged inwardly at the top of the left and right side plates (1.1), a groove (1.5) is formed between the left and right top plates (1.4). A plurality of transverse supporting plates (1.6) are arranged both on the left and right sides of the intermediate supporting plate (1.2) and between the bottoms of the left and right top plates (1.4). The top of the transverse supporting plate (1.6) is flush with the top of the intermediate supporting plate (1.2), both the left and right sides are provided with a row of pin rocker bearings (2), and a rotatable anchor is arranged on each pin rocker bearing (2). The T-profile manufacturing tool is characterized by improving the production efficiency greatly,ensuring the finished product quality and increasing the construction safety.

The invention discloses a posture corrective chair, comprising a stand portion, a seat portion and a supporting portion; the stand portion is disposed above the seat portion, one end of the stand portion is fixed to the seat portion, the other end of the stand portion is extended above the seat portion, the stand portion comprises a stand housing and connecting bars, one end of every connecting bar is fixed to the seat portion, and the other end of every connecting bar is extended above the seat portion and connected with the stand housing and is provided with a connecting shaft; a shaft sleeve and a first tooth sleeve are fixed in the stand housing, a second tooth sleeve is disposed between the shaft sleeve and the first tooth sleeve, the second tooth sleeve is in toothed fit with the first tooth sleeve, and a compression spring is disposed between the shaft sleeve and the second tooth sleeve; the connecting shaft is disposed sequentially in inner holes of the shaft sleeve, the compression spring, the second tooth sleeve and the first tooth sleeve and is in clearance fit with the shaft sleeve and the first tooth sleeve; the second tooth sleeve is fixed to the connecting shaft. The posture corrective chair is advantageous in that the chair enables a user to keep in a correct spinal posture when seated.

The invention discloses an elastic expansion spine growth rod system. The system comprises an orthopedic rod, a clip, a spring and a spring sleeve; the orthopedic rod is a round rod, the clip comprises a snap ring and a locking screw, the snap ring sleeves the orthopedic rod, the snap ring is provided with a screw hole, and the locking screw runs through the screw hole to be in locked connection with the orthopedic rod; the spring sleeves the orthopedic rod between the end of the orthopedic rod and the clip, and the spring is sleeved with the spring sleeve; the spring sleeve is a square tube.The elastic expansion spine growth rod system can not only prevent scoliosis from being aggravated, but also can continuously exert an expansion effect along with the growth of the spine of a child patient, the structure is simple, the use is convenient, the manufacturing cost is low, the operation frequency is greatly reduced, the bending expansion force is larger, and the corrective effect on patients with large curvature of the scoliosis is better.

The invention relates to a vertical general assembly jig frame for a container ship lashing bridge. The vertical general assembly jig frame comprises a strip-shaped jig frame, a plurality of frame backers and a plurality of square tube fixing devices, wherein the strip-shaped jig frame is fixedly installed on a piece of embedded iron in a general assembly site; the plurality of frame backers are evenly distributed on the strip-shaped jig frame; each frame backer comprises two support rods and two connecting rods for connecting the two support rods, wherein the lower ends of the two support rods are fixedly installed at the upper end of the strip-shaped jig frame; each square tube fixing device is installed at the outer sides of the two corresponding support rods; the square tube fixing devices are used for fixing square tubes of the lashing bridge. The vertical general assembly jig frame is simple in structure, convenient in construction and short in general assembly period, and not only can greatly save the precious general assembly site, but also greatly reduces the on-board adjustment work load; furthermore, a turnover lifting lug is not needed during vertical general assembly, so that the strength of welding and grinding is greatly reduced; after the vertical general assembly jig frame is used, the process advancing aim of 'doing on-board operation after going ashore, and doing overhead operation at low altitude' is realized, the building period is shortened, and the working efficiency is increased.

The invention discloses a crane girder which comprises a lower cover board, wherein a repair device for repairing down-warping or sidewise bending of the girder is arranged on one side, departing from the girder, of lower cover board; the repair device comprises a first base and a second base which are fixedly arranged at the two ends of the lower cover board; a plurality of tensioning steel strands extending in parallel are assembled between the first base and the second base; at least one of supporting and propping device is arranged between the lower cover board and the steel strands; the supporting and propping device comprises an upper connecting part and a lower connecting part; the upper connecting part is fixedly arranged on the lower cover board during use; the lower connecting part is in propped fit with the steel strands during use; a supporting stud is supported between the upper connecting part and the lower connecting part; the two ends of the supporting stud is in fixed fit with the upper connecting part and the lower connecting part, so that the upper connecting part and the lower connecting part are assembled into a whole; the supporting stud is positioned at two ends of the upper connecting part and the lower connecting part along the girder extending direction; and the supporting and propping device also comprises a middle propping structure which is supported between the upper connecting part and the lower connecting part and used for preventing sidewise bending of the supporting stud. The whole supporting and propping device is stable, so sidewise bending of the supporting stud is effectively avoided.

The invention relates to a full-symmetrical cylindrical membrane wall assembly tooling and an assembly method which are applicable to high-efficiency gasifiers in the coal chemical industry. The method includes the following steps: (1) a membrane wall welder is used for welding round pipes and steels into membrane wall units, and each membrane wall unit consists of the round pipes and the flat steels; (2) the first group of membrane wall units are mounted on a positioner, the lower ends of directional blocks are vertically welded on positioning rings, and thereby the first group of membrane wall units only can be axially moved on the positioner; (3) a second group of membrane wall units which are fully symmetric with the first group of membrane wall units are mounted on the positioner; (4) the two groups of membrane wall units are welded together, and weld joints are located at the middle between the two groups of membrane wall units; (5) according to the method, the welding of the whole cylindrical membrane wall is sequentially carried out. The full-symmetrical cylindrical membrane wall assembly tooling and the assembly method which are disclosed by the invention can adjust the welding sequence, so that the weld joints can always be located at the geometrical middle of the welded workpiece, and thereby great bending is prevented in the process of welding.

The invention relates to a method for manufacturing a T sectional material. The method includes the following steps that first, a manufacturing tool is obtained; second, a panel marked with the center installation line is laid in a groove of the tool; third, a rotating backer at one side of a fixed platform is closed and further locked with a wedge-shaped locking block; fourth, a matched web is vertically hoisted onto the panel through hoisting equipment, so that the web abuts against the closed rotating backer firmly; fifth, a rotating backer at the other side of the fixed platform is closed and further locked with a wedge-shaped locking block, and then the panel and the web are positioned by means of spot welding; and sixth, the backers at the two sides of the fixed platform are loosened, two welding tractors are arranged at the two sides of the web so that the two sides of the web can be welded at the same time, and the T sectional material can be manufactured after welding is completed. By the adoption of the method for manufacturing the T sectional material, production efficiency is greatly improved, final product quality is guaranteed, and construction safety is improved.

The invention relates to a health detection system with an office device. The health detection system comprises a table top, a support, a lifter, a vital sign detection device, a communication module and a main control module. The support is arranged under the table top and used for supporting the table top, the lifter is located in the support and used for controlling the height of the support, the vital sign detection device, the communication module and the main control module are arranged in the table top, the vital sign detection device is connected with the main control module which is connected with the lifter through the communication module, and an opening is formed in the side face of the table top so that the vital sign detection device can detect a human body through contact with the human body to obtain health data of the human body. The vital sign detection device sends the health data to the main control module, the main control module sends a height control command to the lifter through the communication module according to the health data, and the height of the support is controlled. The health detection system can obtain health data of human bodies in real time.