43 results about "Horizontal force" patented technology

The utility model provides an upper supporting roll balancing device of a finishing machine. The upper supporting roll balancing device comprises a rack, the driving mechanism is used for simultaneously outputting two groups of horizontal forces in opposite directions; the force conversion mechanism is used for correspondingly converting each group of horizontal force into a group of force in the vertical direction at the same time; each group of vertical force has the same direction; the first end of the pull rod mechanism is connected with the force conversion mechanism, and the second end of the pull rod mechanism is matched with the T-shaped groove in the top of the upper supporting roller bearing seat. Therefore, the acting force in the horizontal direction and the acting force in the vertical direction are synchronously converted through a single driving source, the problem of poor synchronism caused by independent work of multiple traditional hydraulic cylinders is solved, the inclination risk in the lifting process of the upper supporting roller is prevented, and potential safety hazards of equipment are eliminated; meanwhile, complex detection elements such as a displacement sensor are omitted, the system structure is simplified, the equipment cost and the failure rate are reduced, and stable lifting of the upper supporting roller under the two working conditions of pushing-in and pushing-out is achieved.

The utility model relates to a kind of aerated concrete platform lifting structure of board breaking machine, including breaking frame, the platform lifting structure for controlling gripper lifting is provided on breaking frame, the platform lifting structure includes the connecting bracket installed on breaking frame, the bottom of the connecting bracket is fixedly connected with trapezoidal block.The aerated concrete platform lifting structure of board breaking machine, the slope surface of extrusion block is matched with the slope of trapezoidal block, the horizontal force output by oil cylinder is converted into vertical force for pushing trapezoidal block to rise, avoid oil cylinder directly bearing aerated concrete vertical gravity and bonding force, so that oil cylinder mainly bears horizontal force, reduce axial stress, avoid oil cylinder long-term high frequency bearing axial force leading to plastic deformation, and gear and two center-symmetrical profiled rack meshing, ensure that two extrusion blocks are synchronously close or far away, so that trapezoidal block is evenly stressed, and lifting is stable, and then the service life of equipment is lengthened.

The invention relates to a slide (10) for use in an openable side-tarpaulin wall system for a utility vehicle and to an openable side-tarpaulin wall system. The slide (10) comprises a basic plate-type structure (11), a fastening plate (15) for fastening a belt (G), and a roller (16) with a horizontal axis of rotation (A), wherein the basic structure (11) has a recess (17) for receiving the belt (G), wherein the recess (17) has a horizontal deflecting edge (18), and wherein the recess (17) is arranged below the fastening plate (15). A slide which can reliably and safely absorb horizontal forces is created by the recess (17) being arranged between the fastening plate (15) and the roller (16).

This utility model relates to a positioning structure for a plate breaking machine, including a frame mounted on the plate breaking machine. The frame is equipped with several symmetrically distributed supporting shells, positioning components, pressing blocks, and feeding components. This positioning structure, by incorporating supporting shells, positioning components, and pressing blocks, with both the pressing blocks and the force-bearing blocks designed for inclined surface contact, utilizes the force decomposition characteristics of the inclined surface to convert the vertical force output by the hydraulic cylinder into the horizontal force required by the positioning plate. Furthermore, it decomposes the reaction force of the positioning plate into forces acting on the supporting shells and forces acting on the hydraulic cylinder, preventing the hydraulic cylinder from directly bearing excessive horizontal reaction force. This force direction conversion reduces the load on the hydraulic cylinder, preventing metal fatigue and malfunctions caused by prolonged operation. Moreover, the spring's rebound potential energy drives the positioning plate to automatically reset, requiring no additional power and simplifying the control logic of the release action.

The utility model discloses a caster capable of quickly stretching and retracting and enhancing a supporting effect and a box group, which relate to the technical field of moving parts and are characterized in that the caster comprises a fixed plate, a sliding groove is formed in the middle of the fixed plate, and a hinge shaft is arranged in the sliding groove in a sliding manner; two symmetrically-arranged supporting feet are hinged to the hinge shaft, and wheels are arranged at the ends, away from the hinge shaft, of the supporting feet respectively. On the premise of rapid carrying and moving, the product stability is enhanced, the problem that the supporting legs of the product are tedious to assemble or unfold is solved, the supporting legs stretch out and retract rapidly, one supporting leg is pulled to stretch out automatically, and the horizontal torque and the inclination resistance of the product are increased after the supporting legs are pulled out; the casters are universal wheels, retraction and pull-out of the supporting feet do not affect movement of the product, and the product can be reliably fixed to the current position through a locking structure with a braking vane.

This utility model discloses a bridge hanger assembly, including a first connecting rod and a second connecting rod. A first frame and a second frame are respectively fixedly welded to the bottom ends of the first and second connecting rods. A first insertion slot and a second insertion slot are respectively formed on the first and second connecting rods. A first mounting component is fixedly welded to the top of the first frame, and a second mounting component is welded to the top of the second frame. The second frame and the second mounting component are double-layered plates with internal cavities. In this utility model, the two hangers are connected to a single point at their bottom, and their tops are supported at two positions on an arched frame. This design saves installation space at the bottom and reduces the vertical tension of a single hanger. By distributing the load between the two hangers, the assembly can withstand both vertical tension and horizontal forces, increasing wind resistance and lateral stability.

The utility model discloses an impact test device for testing the anti-freezing performance of an asphalt pavement. The impact test device comprises a scale rod, a base and an aluminum plate channel, the scale rod is provided with three sections of telescopic parts and is vertically fixed on the base; a round wheel is fixed on the inner side of the top end of the scale rod; the aluminum plate channel is fixedly connected with the cross rod; the cross rod is perpendicular to the scale rod and can rotate; a fixing piece is arranged on the side face of the aluminum plate channel. The fixing piece is formed by fixedly connecting a square attaching block and a clamp, and the aluminum plate channel can be fixed by connecting the clamp with the round wheel. According to the utility model, the vertical force and the horizontal force acting on the test piece are controlled by controlling the rolling height and angle of the steel ball, the strength of the anti-freezing performance of the asphalt pavement is evaluated according to the residual rate of the ice layer on the surface of the test piece, and the device has the advantages of simple structure, simplicity in operation, high flexibility, capability of accurately and objectively evaluating the anti-freezing performance of the test piece and the like. The popularization is facilitated.

The application discloses a handle mechanism with a ratchet lock, which is used for locking the socket and the plug of a fluid connector. The end of the handle is connected to the plug through a shaft pin. The end comprises a locking part. A gear is arranged on the locking part and is used for engaging with a rack arranged on the socket. The handle guides the gear of the locking part to connect the rack from the bottom to the top. The application adopts the structure of the gear and the rack to lock. The horizontal pulling force is generated by the principle of the engagement of the gear and the rack, so that the locking of the plug and the socket is easier. Compared with the extrusion force generated by the circular arc rotation, the horizontal force can ensure the smooth connection of the connector. The application overcomes the self-locking in the connection process of the existing structure, so as to avoid the defect that the connection is stuck. The limiting part is arranged on the plug, the sliding part is arranged on the handle, and the sliding part and the limiting part are mutually buckled to ensure the locking and prevent the self-unlocking phenomenon in the use process.

The application discloses a multi-dimensional force loading device for a plantar force sensor, which comprises a bottom plate, a vertical force loading device, a standard pressure sensor, a horizontal force loading device and an auxiliary device; the auxiliary device comprises a base, a mounting plate and a loading column; the horizontal force loading device comprises a rolling pulley, a wire rope and a weight, and when the horizontal force is loaded, the weight is connected with the loading column through the wire rope around the rolling pulley; the vertical force loading device comprises a ball screw rod; the vertical displacement of the ball is adjusted based on the threaded transmission, a force in the vertical direction is transmitted to the plantar force sensor to be calibrated through the loading column, and the loaded vertical force is measured by the standard pressure sensor. The application can realize the loading of the force in the vertical direction, the loading of the force in two horizontal directions and the loading of the force at different positions. The application can simulate the force range of the human plantar force, and the range of the force applied in the vertical direction is more than ten times of the range of the force applied in the horizontal direction.

The utility model discloses a bridge underwater pile foundation detection device, and belongs to the technical field of pile foundation detection devices.The bridge underwater pile foundation detection device comprises a pile foundation, the outer surface of the pile foundation is slidably sleeved with an annular clamping piece, the annular clamping piece is composed of a first semicircular ring, a second semicircular ring and a hinge, and a positioning block is fixedly installed on the inner wall of the annular clamping piece; an adjusting groove is formed in the positioning block; through cooperation of a first semicircular ring, a second semicircular ring, a hinge, a connecting block, a bolt and a nut, an annular clamping piece is connected to the outer surface of a pile foundation in a sleeving mode, through cooperation of a positioning block, an adjusting groove, a spring, an adjusting block, a mounting frame and a moving wheel, a horizontal acting force is applied to the moving wheel, and the moving wheel abuts against the pile foundation; the force can generate a friction force component opposite to the downward sliding direction of the annular clamping piece, and the resistance can be increased, so that the downward sliding speed of the annular clamping piece is slowed down, the diving camera can clearly shoot the appearance of the pile foundation, and the detection effect is improved.

The application provides a device and a method for testing the out-of-plane eccentric compression performance of a plate component, characterized in that the device comprises a lower pressure plate, an upper pressure plate, a knife corner and a parallel roller, wherein the lower pressure plate is fixed on the end face of the free end of the plate component; the upper pressure plate is arranged on the lower pressure plate; the knife corner is welded below the upper pressure plate; and the parallel roller is limited on the end face of the upper pressure plate away from the lower pressure plate and can roll on the upper pressure plate; when the eccentric compression test is performed, the pressure of the pressure device acts on the parallel roller, the parallel roller rolls under pressure and transmits the eccentric force to the plate component through the upper pressure plate and the lower pressure plate. The device eliminates the horizontal force at the knife corner, ensures that the direction of the load is always vertical downward during the loading process, and can achieve better test results.

The invention relates to the technical field of lifting transportation, and discloses a shear fork type lifting walking device which comprises a transferring frame, a lifting frame is arranged below the transferring frame, two lifting mechanisms are oppositely arranged on the transferring frame, a sliding frame of each lifting mechanism can move in the Y-axis direction, a movable pulley of a pulley assembly is rotationally installed on the sliding frame, and the movable pulley of the pulley assembly can move in the Y-axis direction. One end of the traction piece is connected with the transfer frame, and the other end of the traction piece is connected with the lifting frame after bypassing the movable pulley and the fixed pulley from the upper part in sequence; the movable pulley can be driven by the sliding frame to change the distance of the traction piece in the vertical direction, the fixed pulley can change the stress direction of the traction piece, horizontal force is changed into vertical force, and therefore lifting or descending of the lifting frame is completed. The device can overcome the defect that in the prior art, labor is wasted for increasing the lifting distance, meanwhile, the working load of the device can be improved, and the device can better adapt to various occasions.

The surface polishing machine for aluminum bar production comprises a workbench, a mounting groove is formed in the right side of the workbench, a first servo motor is arranged in the mounting groove, a first belt wheel is arranged at the output end of the first servo motor, sliding rails are symmetrically arranged on the upper surface of the workbench, sliding seats are connected to the two sets of sliding rails in a sliding mode, and the two sets of sliding seats are arranged on the workbench. A mounting plate is arranged between the two sets of sliding seats, a plurality of fixing plates are arranged on the upper surface of the mounting plate at equal intervals, one side face of each fixing plate is rotationally connected with a pulley, vertical plates are symmetrically arranged on the upper surface of the workbench, a rotating roller is rotationally connected between the two sets of vertical plates, and a second belt pulley is arranged at the right end of the rotating roller. The aluminum bar is placed between the rotating roller and the pulley, the pulley is obliquely arranged relative to the vertical direction of the rotating roller, and the inclination angle of the pulley is 45 degrees; the aluminum bar is driven to rotate through friction force between the rotating roller and the aluminum bar; the rotating roller and the pulley rotate to provide horizontal component force to drive the aluminum bar to advance.

The invention relates to a carriage (10), in particular for use in an openable side tarpaulin wall system for a commercial vehicle, comprising a plate-shaped body (11) with an outer guide surface and an inner guide surface (13), wherein the body (11) has a narrow side perpendicular to the outer guide surface and to the inner guide surface (13) and having a thickness, a fastening plate (15) for fastening a belt (G), and a roller (16) with a horizontal axis of rotation (A), wherein the fastening plate (15) and the roller (16) are arranged on the inner guide surface (13) of the body (11), and an openable side tarpaulin wall system.A carriage which can reliably and safely absorb horizontal forces is created in that the body (11) has a recess (17) for receiving the belt (G), that the recess (17) has a horizontal deflection edge (18), and that the recess (17) is arranged below the fastening plate (15).

The application discloses a simple loading horizontal force similar simulation test device and a test method. The device comprises a base, left and right stands, a cross beam and split side guards. The left and right stands are respectively arranged on the left and right sides of the base. The cross beam is arranged at the upper ends of the left and right stands. The split side guards are detachably connected with the left and right stands. The front and rear split side guards, the left and right stands and the base form a similar simulation space. Horizontal loading assemblies are arranged between the similar simulation material and the left and right stands. The horizontal loading assemblies replace the loading iron plate. The manual pressure ball or the pressure pump replaces the hydraulic cylinder with large mass and volume. The driving is more flexible and simple. The air can be supplemented or released according to the actual situation. The horizontal force can be loaded on the similar simulation rock stratum at different heights in the similar simulation space.

The utility model discloses a horizontal force dispersing type plate-type rubber support, which relates to the technical field of rubber supports and comprises a first steel plate and a second steel plate, a guide seat is fixedly connected onto the first steel plate and is in the shape of a circular truncated cone, a protective shell is fixedly connected onto the second steel plate, and elastic supporting components in a circumferential array are arranged on the protective shell. The telescopic end of the elastic supporting assembly abuts against the guiding base, and the two ends of the rubber base are installed on the first steel plate and the second steel plate correspondingly. According to the utility model, the design structure is reasonable, and the guide rods in the protective shell are matched with the supporting springs, so that when the first steel plate moves, the guide rods can be pushed by the rollers to move transversely, and the supporting springs are stretched, thereby effectively dispersing and buffering the loading force in the horizontal direction; compared with a traditional buffering mode only depending on a rubber seat, the buffering effect of the loading force is greatly improved, and the impact force borne by the pier is reduced.

The invention discloses a multi-dimensional force measuring device used in a foot deformation process. The multi-dimensional force measuring device comprises a heel force measuring module, a sole force measuring module, a rear force measuring module and a front force measuring module which are used for synchronously measuring horizontal force and vertical force. The heel force measuring module is used for measuring the vertical force downwards generated by the heel position after the foot is loaded; the sole force measuring module is used for measuring a vertical force downwards generated by the sole position after the foot is loaded; the rear force measuring module is used for measuring the horizontal force generated by the heel position in the backward direction after the foot bears the load and deforms; the front force measuring module is used for measuring the horizontal force generated in the forward direction of the sole position after the foot is loaded and deformed; the resultant force measured by the heel force measuring module and the sole force measuring module in the vertical direction is the force borne by the foot in the vertical direction. The high-precision pressure sensor is adopted, high-precision partitioning of the heel area and the sole area is achieved, and force generated in the foot load-bearing deformation process is measured in a multi-dimensional mode.

This invention discloses a frame structure for a multi-directional forging hydraulic press, belonging to the technical field of forging equipment. The structure includes an upper crossbeam, a lower crossbeam, a left column, a right column, and a left, right, and rear crossbeam. The upper crossbeam is fixedly connected at both ends to the upper ends of the left and right columns, respectively. The left column is fixedly connected perpendicularly to the left crossbeam, and the right column is fixedly connected perpendicularly to the right crossbeam. The left, right, and rear crossbeams are pre-tightened together by tie rods to form a U-shaped rigid load-bearing structure with an opening facing forward and an inwardly turned edge. The lower crossbeam is connected to the lower part of the left and right crossbeams. This U-shaped structure independently bears horizontal working force and achieves internal closed-loop self-balancing, allowing the lower crossbeam to bear only vertical forging pressure. This solves the problems of poor strength and rigidity of traditional slider guides and the related issues caused by the lower crossbeam simultaneously bearing vertical and horizontal forces. It has the advantages of easy operation with a front opening, lightweight structure, and good precision retention.

The utility model discloses a horizontal mechanical property detection mounting auxiliary device for a support, which is used for assisting in filling a gap between the support and an anti-slip top block, and comprises a rail-mounted steel plate, a sliding block, a fixed block and a screw rod, the rail-mounted steel plate is inserted into the gap between the support and the anti-slip top block, and the sliding block is inserted into the fixed block. The two sliding blocks are horizontally arranged on the rail-mounted steel plate in a sliding mode, the two fixing blocks are fixedly connected with an external fixing structure, first nuts are arranged on the upper surfaces of the sliding blocks, second nuts are arranged on the upper surfaces of the fixing blocks, and the screws correspondingly penetrate through the first nuts and the second nuts. And the fine adjustment of the rail type steel plate in the horizontal direction is realized by rotating the screw rod. According to the auxiliary device, the track-type steel plate is additionally arranged to fill the gap, the anti-skid top block is prevented from moving greatly, and the utilization rate of the anti-skid top block is increased.

The utility model provides a scaffold with an anti-toppling structure, which comprises a scaffold body assembly and anti-toppling assemblies, a plurality of groups of anti-toppling assemblies for toppling prevention are mounted on the outer side surface of the scaffold body assembly, the scaffold body assembly comprises mounting racks for mounting pedals and stair plates, a connecting rod is mounted between the two mounting racks, and the connecting rod is connected with the scaffold body assembly. The anti-inclination assembly comprises four sets of first supporting pieces and four sets of second supporting pieces, compared with the prior art, the anti-inclination device has the advantages that due to the fact that the first supporting pieces and the second supporting pieces act together when the anti-inclination device is used, extra lateral supporting force can be provided for the scaffold, and the anti-inclination device is convenient to use and high in practicability. The construction frame is simple in structure, is just like stable supports are arranged at four corners or key positions of a building, can effectively resist the action of horizontal force such as wind load and construction load, limits lateral displacement of the construction frame, reduces the possibility that the frame body assembly inclines or shakes, and improves the overall stability of the construction frame in the using process.

The application discloses a light-weight wheel-rail force calibration method and device, wherein three easily detachable clamps are designed in the device part to hold the side ends and the middle part of the steel rail. The top of the left and right clamps is connected with the two ends of a cable, the middle part of the cable is arranged in the slide way on the cylindrical structure of the force measuring mechanism arranged on the middle clamp, and the middle part of the cable is in contact with the output end of the jack in the force measuring mechanism. When the wheel-rail force calibration is carried out, the jack is matched with the cable to apply pressure to the vertical and horizontal directions of the steel rail test section, and the force sensor and the steel rail strain signal are recorded during the process, so that the vertical and horizontal force calibration of the steel rail to be tested is completed. The rail horizontal and vertical force data when the train passes through the steel rail to be tested can be obtained through the calibration structure. The application can effectively improve the wheel-rail force test efficiency and accuracy, and the parts are simple and light in weight, and are convenient to install and carry.

The utility model relates to the technical field of bridge construction, in particular to a novel fixed support plate which comprises an upper support plate and a lower support plate, the upper support plate comprises an upper support plate body, baffles are fixedly connected to the two sides of the bottom of the upper support plate body, a notch is formed between the two baffles, and the upper support plate body and the lower support plate body are fixedly connected through the notches. The lower support plate comprises a lower support plate body arranged below the upper support plate body, a boss is fixedly connected to the middle of the top of the lower support plate body, a spherical groove is formed in the top of the boss, the tangent plane of each baffle is in the shape of two symmetrically-arranged L, and the boss is located between the two baffles. A guide sliding strip is arranged between the boss and the two baffles, the two baffles in one direction are used for bearing longitudinal and transverse horizontal force, the bearing efficiency of materials is fully played, the material consumption can be saved, the two baffles in the other direction are removed, workpieces can be conveniently machined through a large planer milling machine, and the machining efficiency is improved.

The invention belongs to the technical field of spherical steel supports, and particularly relates to a super-long-life high-bearing-capacity wear-resistant spherical steel support which comprises a lower support plate and further comprises a supporting device and a lubricating device which are arranged on the lower support plate. According to the wear-resistant spherical steel support with the super-long service life and the high bearing capacity, the supporting device is arranged, a steel ring and elastic supporting limiting structure is adopted, the steel ring is used for limiting lateral deformation of a support sliding plate under the load effect, after the sliding plate higher than the surface of the steel ring is abraded, the surface of the steel ring makes contact with the upper support plate, and due to the fact that the steel ring is supported on an elastic body, the sliding plate can not be damaged. The upper support plate is of a double-side baffle structure with a notch, the vertical face of the inner side of a double-side baffle bears the longitudinal horizontal force of the support, the vertical face of the double-side notch bears the transverse horizontal force of the support, and therefore the height of the upper support plate can be reduced along with friction consumption of the sliding plate, and the abrasion loss of the circular sliding plate can be increased to be larger than 6 mm. The bilateral baffles in one direction bear longitudinal and transverse horizontal force, and the bearing efficiency of materials is fully exerted.

The invention provides a non-buckling herringbone steel pipe concrete supporting structure which comprises a frame beam, a herringbone steel pipe concrete support and a vertical sliding connection joint. The intersection point of the end parts of the herringbone steel pipe concrete support is connected with the frame beam through the vertical sliding connection node, the vertical sliding connection node does not transmit the vertical force of the frame beam to the support, and the vertical deformation of the support does not cause the vertical force in the frame beam; the principle that the compression bearing capacity is larger than the tension bearing capacity in a certain slenderness ratio of the concrete-filled steel tube rod piece is used for design, no matter which direction the horizontal force comes from, the bearing capacity of the herringbone concrete-filled steel tube support compression limb is always larger than that of the tension limb, and the herringbone concrete-filled steel tube support compression limb is prevented from being damaged before the tension limb; meanwhile, the vertical sliding connection node can only transmit horizontal force and cannot transmit vertical force, so that the vertical force in the frame beam caused by compression of the herringbone concrete filled steel tube support compression limb and extension of the tension limb can be avoided.

The invention discloses a force bearing part structure and a supporting system, the force bearing part structure comprises a force bearing part module and a turnover embedded part, the force bearing part module is composed of at least one force bearing unit, and the force bearing unit comprises a force bearing main body, a claw shoe assembly and a first overturning claw assembly capable of overturning upwards and bearing force horizontally along the working face of a concrete structure; a first through hole is formed in the force bearing body, the embedded part fixes the force bearing body to a concrete structure working face through the first through hole, the first turning claw assembly is arranged in the force bearing body, and the claw shoe assembly is arranged on the side face of the force bearing body. The first turning claw assembly and the claw shoe assembly are used for hanging a bearing frame and a climbing frame of the construction operation integration platform correspondingly. According to the invention, the at least one force bearing unit is fixed through the turnover embedded part, so that the force bearing part structure can meet the construction requirements of different concrete structures, and can be used in different concrete wall structures in a turnover manner, thereby effectively reducing the design and manufacturing cost of the force bearing part structure.

This utility model discloses a supporting device and a pressing system. The supporting device includes a supporting member, a transmission member, and a pressing member. The transmission member moves between a first position and a second position and includes a limiting end and a driving end. The upper end of the driving end is closer to the center of the supporting member than the lower end. The pressing member is movable along a first direction and includes an abutting end and a pressing end. The pressing end includes a first pressing surface, and the abutting end abuts against the driving end. The pressing member is supported by the supporting member and applies lateral pressure to the slab. The transmission member in the first position protrudes from the pressing member along the thickness direction, and the second position is lower than the first position. According to this supporting device, when the transmission member is subjected to a downward force, it can convert the vertical force into a horizontal force applied to the side of the slab by the pressing member, thereby applying pressure to the side of the slab to compact the edge of the board, overcoming the defects of poor edge compaction and unsightly appearance, avoiding the need for later manual repair of holes or gaps, and reducing production costs.

The invention relates to a fastening system of the type used in securing systems (1) for securing self-climbing devices for vertical bodies, which comprise at least two climbing structures (2, 2') that move alternately to ascend or descend the vertical body. The fastening system is characterised in that it comprises at least one lower clamp (4'), joined at the attachment point thereof to the climbing structure (2, 2') by means of at least one fixed support (5) at the lower end of the climbing structure (2, 2'), the clamp (4') corresponding to any of claims 6-11 and being designed to support horizontal forces of the system; and at least one attachment ring (3) according to any of claims 1-5, joined at the attachment point thereof to the climbing structure (2, 2'), at the upper end of the climbing structure (2, 2'), by means of at least one ring support (6).

The present application relates to a kind of connection structure based on combination shear key tooth, including prefabricated column, deck and recess, the recess is installed on deck, the structure further include radial shear tooth key groove and axial shear tooth key groove, the radial shear tooth key groove and axial shear tooth key groove are installed in prefabricated column and recess, the radial shear tooth key groove and axial shear tooth key groove are adjacent, the prefabricated column is installed in recess and leave gap, high-strength grouting material is poured into gap and forms radial shear tooth key and axial shear tooth key.The present application is by radial slotting and axial slotting respectively in prefabricated column and deck, and by pouring high-strength grouting material to form radial shear tooth key and axial shear tooth key, under the combination of horizontal force and vertical force etc., the combination type shear tooth key has good adaptability.

To provide a box hanger capable of lifting a box while minimizing the application of horizontal force to an opposing wall of the box as much as possible and suppressing distance play when lifting the box upward. [Solution] The box hanger is used to hoist a box having a pair of engaged parts 2 positioned relative to the opposing walls 1a of a rectangular box body 1, and comprises a hanger body 10 and a connecting part 20. The hanger body 10 has an overall length L longer than the distance between the opposing walls 1a of the box body 1, has a pair of engaging parts 11, 12 at both ends, and extends linearly. The pair of engaging parts 11, 12 engage with the pair of engaged parts 2 by abutting from below. The connecting part 20 is attached to approximately the center of the hanger body 10 in the longitudinal direction, and connects the hanger body 10 to an external mechanism 3 that operates to hoist the box.

To provide a bearing and bearing structure that can be miniaturized. [Solution] The support 10 is provided between the column 1 and the superstructure 2. The support 10 is provided at the lower end of the superstructure 2 and is positioned inside the cylindrical portion 11 provided at the upper end of the column 1, and has a flange plate 3 for transmitting horizontal force between itself and the inner surface of the cylindrical portion 11; an upper steel plate 4 provided on the lower surface of the flange plate 3 and positioned so as to be enclosed within the outer circumference of the flange plate 3 in a plane; a lower steel plate 5 provided at the upper end of the column 1 and positioned so as to be enclosed within the outer circumference of the flange plate 3 in a plane; a core steel material 6 provided between the upper steel plate 4 and the lower steel plate 5 and positioned so as to be enclosed within the outer circumference of the upper steel plate 4 and the lower steel plate 5 in a plane; and an elastic member 7 provided between the upper steel plate 4 and the lower steel plate 5 around the core steel material 6.