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99results about How to "Solve easy deviation" patented technology

Foundation slab post-cast strip waterproof steel plate combined structure and bracing method thereof

The invention provides a foundation slab post-cast strip waterproof steel plate combined structure and a bracing method thereof. The foundation slab post-cast strip waterproof steel plate combined structure comprises a waterproof steel plate, wherein upper and lower wire meshes are respectively arranged at longitudinal center of upper and lower parts of the waterproof steel plate; reinforcing bar brackets are respectively welded on two sides under the waterproof steel plate; and a distance between two adjacent reinforcing bar brackets is not more than 500mm. The bracing method of the foundation slab post-cast strip waterproof steel plate combined structure comprises the following steps: constructing a cushion layer; constructing a mortar bar; welding the waterproof steel plate combined structure; binding a base plate and the reinforcing bars thereon; bracing the waterproof steel plate combined structure; fixing a multiplayer plate combined structure; and pouring the base plate concrete and the post-cast strip concrete. The foundation slab post-cast strip waterproof steel plate combined structure has an excellent anti-seepage effect, can reliably realize a waterproof function and can prevent the phenomena of waterproof steel plate shifting and impurities falling into the post-cast strip caused by the overflow of the concrete during the process of pouring the concrete.
Owner:TIANJIN 20 CONSTR

Device for measuring mechanical property of test piece

The invention provides a device for measuring the mechanical property of a test piece. The device comprises a base, a first supporting member and a second supporting member, wherein the first supporting member and the second supporting member are connected to the base and are separated transversely; the first supporting member comprises a first swing rod and a first fixture; the first swing rod is rotationally connected to the base through a first swing rod rotating shaft and is restrained to only rotate in a rotating plane perpendicular to the first swing rod rotating shaft; the first fixture is used for clamping the test piece in a first clamping position of the test piece, is rotationally connected to the first swing rod through a first fixture rotating shaft parallel to the first swing rod rotating shaft, and is restrained to only rotate in a plane parallel to the rotating plane or coplanar with the rotating plane; the second supporting member has the same structure with the first supporting member. According to the device, displacement between the test piece and two supporting points of a fixing device can be avoided in an impacting process, the measurement process is more stable and more accurate and is closer to the deformation rate and the real stressed condition of the test piece in practice, and the state stability of the whole measurement system is guaranteed.
Owner:ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1

Construction method for waterproof structure of high-rise building basement top plate deformation joint

The invention relates to a construction method for a waterproof structure of a high-rise building basement top plate deformation joint. The construction method includes the following steps that a water stop steel plate is arranged at the position of the basement top plate deformation joint in the length direction of the deformation joint; an extruded polystyrene board is inlaid in an upper deformation joint and a lower deformation joint of the water stop steel plate; a concrete top plate is poured; the upper surface of the extruded polystyrene board is compactly filled with waterproof sealing paste in an embedded manner along the deformation joint; face edges of a water stop belt face upwards; a waterproof coil strengthening layer is arranged on the outer side of the rubber water stop belt; and a waterproof layer is arranged on the outer side of the waterproof coil strengthening layer. According to the construction method, the problems that when the concrete top plate and the external bonding water stop belt are constructed at the same time, the external bonding water stop belt is likely to be deflected, concrete at the lower side portion of the water stop belt is not vibrated compactly, the protection cost of the external bonding water stop belt and a finished sealing paste product is high, and repairing is difficult after damage is caused are solved; the upper portion of the top plate is made into a slope concrete returning table, water draining on the surface is facilitated, and the seepage probability is lowered; and the phenomenon that body structure construction is affected due to cross operation of relevant processes is avoided, limitation on the construction time is avoided, and the overall construction quality is ensured.
Owner:CHINA 22MCC GROUP CORP

Conveying device for heavy load conveyor belt

The invention discloses a conveying device for a heavy load conveyor belt. The conveying device for the heavy load conveyor belt comprises a steel ball seat, a half sphere body groove is formed in the top of the steel ball seat, C8 steel balls distributed evenly are arranged on the surface of the groove, a steel ball cap is further arranged on the upper edge of the steel ball seat, a steel ball cap top, an inner cavity and a cap inner wall define an arc-shaped hole for penetrating through of a C100 steel ball, the diameter, located on the top of the steel ball cap, of the arc-shaped hole is smaller than the diameter, located in the inner cavity of the steel ball cap, of the arc-shaped hole, a spherical surface on one side of the C100 steel ball penetrates out through the steel ball cap top, and a spherical surface on the other side of the C100 steel ball is connected with the C8 steel ball in a sliding mode. An annular groove is further formed in the inner wall of the arc-shaped hole of the steel ball cap, C6 steel balls capable of rolling are arranged in the annular groove, and the C6 steel balls are connected with the C100 steel ball in a sliding mode. According to the conveying device for the heavy load conveyor belt, the problems that a traditional universal wheel structure has limitation and bearing load is limited are solved, 5-ton load can be born, the problem that the traditional universal wheel deflects due to universal rotational damping is also solved, and power device burdens are reduced.
Owner:上海林春万向轮制造有限公司

Copper embedded block heat radiation substrate and manufacturing method therefor

The invention discloses a copper embedded block heat radiation substrate comprising a substrate body, wherein the substrate body is provided with a copper embedded block via groove, a heat radiation copper block is arranged in the copper embedded block via groove, and a surface of the heat radiation copper block is level with a surface of the heat radiation substrate. The heat radiation copper block is arranged in the substrate, a top face and a bottom face of the heat radiation copper block are exposed from an outer part of the substrate, and the heat radiation substrate is enabled to have adouble face heat radiation structure; compared with a conventional copper embedded block PCB board only capable of single surface heat radiation, the copper embedded block heat radiation substrate disclosed in the invention is advantaged by improved heat radiation efficiency. The invention also discloses a manufacturing method for the copper embedded block heat radiation substrate; a two time etching method is adopted for manufacturing the heat radiation copper block of which double surfaces are exposed, size precision of the heat radiation copper block is improved in such a processing mannerthat a bottom part heat radiation copper block is manufactured after pressing operation, and copper blocks are bonded together via two time pressing operation; a problem that the copper blocks are prone to deviating, loosening, cracking and the like; copper block processing efficiency and quality stability can be improved.
Owner:KINWONG ELECTRONICS TECH LONGCHUAN

Construction method of waterproof structure for roof deformation joints in basement of high-rise buildings

The invention relates to a construction method for a waterproof structure of a high-rise building basement top plate deformation joint. The construction method includes the following steps that a water stop steel plate is arranged at the position of the basement top plate deformation joint in the length direction of the deformation joint; an extruded polystyrene board is inlaid in an upper deformation joint and a lower deformation joint of the water stop steel plate; a concrete top plate is poured; the upper surface of the extruded polystyrene board is compactly filled with waterproof sealing paste in an embedded manner along the deformation joint; face edges of a water stop belt face upwards; a waterproof coil strengthening layer is arranged on the outer side of the rubber water stop belt; and a waterproof layer is arranged on the outer side of the waterproof coil strengthening layer. According to the construction method, the problems that when the concrete top plate and the external bonding water stop belt are constructed at the same time, the external bonding water stop belt is likely to be deflected, concrete at the lower side portion of the water stop belt is not vibrated compactly, the protection cost of the external bonding water stop belt and a finished sealing paste product is high, and repairing is difficult after damage is caused are solved; the upper portion of the top plate is made into a slope concrete returning table, water draining on the surface is facilitated, and the seepage probability is lowered; and the phenomenon that body structure construction is affected due to cross operation of relevant processes is avoided, limitation on the construction time is avoided, and the overall construction quality is ensured.
Owner:CHINA 22MCC GROUP CORP

Turning conveyor and conveyor belt

The invention relates to a turning conveyor. The turning conveyor comprises a conveyor machine frame, a drive system, a fan-shaped conveyor belt and transmission guide shafts. The machine frame comprises a fan-shaped frame. The transmission guide shafts are arranged in the fan-shaped frame. Tooth grooves are formed in the axial surface of each transmission guide shaft. The invention further relates to a conveyor belt suitable for the turning conveyor mentioned above. Transverse racks are arranged on the inner surface of the conveyor belt and are meshed with the axial tooth grooves of the transmission guide shafts. The corresponding transmission guide shaft is connected with the drive system, and the fan-shaped conveyor belt is driven to cyclically rotate around the transmission guide shafts in the fan-shaped frame to be used for conveying goods; by means of gear transmission achieved through meshing of the tooth grooves of the transmission guide shafts and the racks of the fan-shaped conveyor belt, rotation of the conveyor belt can be easy, and the friction loss between the conveyor belt and the transmission shafts is greatly reduced; and meanwhile the conveyor belt is provided with longitudinal guide strips, a conveyor belt limiting mechanism is arranged on the machine frame, and the problem that transverse displacement and deviation are caused to the conveyor belt during curve operation is thoroughly solved through combination of the longitudinal guide strips and the conveyor belt limiting mechanism.
Owner:AA IND BELTING (SHANGHAI) CO LTD

Casting construction mold for water cooling columns and water cooling beams of heating furnaces and casting construction method thereof

The invention relates to a casting construction mold for water cooling columns and water cooling beams of heating furnaces and a casting construction method thereof. The casting construction mold for water cooling columns and water cooling beams of heating furnaces comprises a water cooling column mold, a three-way mold and water cooling beam molds and is characterized in that: the water cooling column mold is mainly composed of a pair of water cooling column half molds which are assembled; the three-way mold is mainly composed of a pair of three-way half molds which are assembled; each water cooling beam mold comprises a U-shaped water cooling beam mold and a plurality of U-shaped wood jigs, and the U-shaped wood jigs are fixedly connected with the outer side of the U-shaped water cooling beam mold along the length direction. The invention can ensure that cast products of water cooling columns and water cooling beams can be accurately positioned, the structure of straight sections is straight, the phenomena of pitted surfaces and anchoring nail exposure do not exist at beam-column joints, water cooling beam slopes can be formed by casting in one step, the casting quality is increased, and potential quality hazards are eliminated.
Owner:CHINA FIRST METALLURGICAL GROUP

Automatic checkweigher with ball bearing units

InactiveCN103630224AEasy 3D MobilityGood three-dimensional mobilityWeighing apparatus detailsSpecial purpose weighing apparatusBall bearingElectric machine
The invention discloses an automatic checkweigher with ball bearing units. The automatic checkweigher includes an electric box, a weighing platform, a rack and a motor; with a use direction as a benchmark, the weighing platform is horizontally arranged on the rack; the electric box is located at one side of a front-back direction of the weighing platform and is in positioned and fixed connection with the rack; the weighing platform is fixedly provided with a plurality of weighing sensors in a positioned manner; the weighing sensors are electrically connected with the electric box; the motor is fixedly arranged on the weighing platform in a positioned manner; the left side and the right side of the weighing platform are fixedly provided with a driving roller and a driven roller respectively; the motor can drive the driving roller to rotate; the driving roller can drive the driven roller to rotate; one surface of the rack, which backs the weighing platform, is provided with a plurality of bottom feet; and the weighing platform can be adjust to be horizontal through the bottom feet. The automatic checkweigher with the ball bearing units of the invention has the advantages of convenient installation, convenient implementation, avoidance of problems existing in the coordination of an old-type bearing seat and a ball bearing, reduction of the wear degree of the rollers, prolonging of the service life of equipment and the like.
Owner:KUNSHAN LIGU WEIGHING IND
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