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64results about How to "The installation connection is firm" patented technology

Special-shaped GRG decorative sheet mounting and structuring system and decorative sheet structuring and mounting method

The invention discloses a special-shaped GRG decorative sheet mounting and structuring system and a decorative sheet structuring and mounting method and relates to the construction, installation and decoration fields, in particular to the special-shaped GRG decorative sheet technology. The technical scheme is that a rotary connecting piece is connected with a basic skeleton and is mounted under a rigid suspender. The rotary connecting piece comprises a spindle which is connected with the rigid suspender, a spindle pendant which rotates along with the spindle, and a skeleton fixing piece which is connected with the spindle pendant and is used for fixing the basic skeleton, wherein the spindle pendant is fastened on the spindle through a fastening piece, and the skeleton fixing piece is connected with the basic skeleton. The special-shaped GRG decorative sheet mounting and structuring system and the decorative sheet structuring and mounting method enable the special-shaped GRG decorative plate with complex angles to be mounted effectively and firmly, the regulation is completed through rotating the spindle pendant to the determined angle and then fixing through the fastening piece, and accordingly the decorative plate can be regulated conveniently and quickly, and the field installation and regulation time is saved greatly.
Owner:SHENZHEN RUIHE CONSTR DECORATION

Four-point distribution power assembly suspension device

A four-point distribution power assembly suspension device comprises a front suspension device and a rear suspension device, wherein one end of the front suspension device is fixedly connected with an engine shell, the other end of the front suspension device is fixedly connected with a vehicle frame longitudinal beam, one end of the rear suspension device is fixedly connected with a side board of a gearbox shell, and the other end of the rear suspension device is fixedly connected with the vehicle frame longitudinal beam; one end of the rear suspension device is fixedly connected with the middle portion of the side board of the gearbox shell, and the other end of the rear suspension device is fixedly connected with the vehicle frame longitudinal beam; the rear suspension device comprises a suspension bracket, a suspension soft cushion assembly and a suspension bracket, the top of the suspension soft cushion assembly is fixedly connected with the middle portion of the side board of the gearbox shell through the suspension support, and the middle portion of the suspension soft cushion assembly is fixedly connected with the vehicle frame longitudinal beam through the suspension bracket. According to the design, the span distance between the front suspension device and the rear suspension device is increased, vibration isolation performance of a power suspension system is enhanced, whole-vehicle comfort is enhanced, the rear suspension device is not provided with a transverse beam, original assembly space of a vehicle model is not changed, and a suitable range is wide.
Owner:DONGFENG COMML VEHICLE CO LTD

Optical module testing device

The invention discloses an optical module testing device which comprises a PCB (printed circuit board), a to-be-tested optical module and an optical fiber patch cord. A flexible circuit board is disposed on the to-be-tested optical module. In a testing state, the optical fiber patch cord is connected with the to-be-tested optical module, the flexible circuit board of the to-be-tested optical module is electrically connected with the PCB which is disposed on a bottom plate, a patch cord inserting seat is disposed on the bottom plate, a module mounting hole is formed between the patch cord inserting seat and the bottom plate, a patch cord inserting hole is formed above the module mounting hole, and when the optical fiber patch core is inserted into the patch core inserting hole, the optical fiber patch core is electrically connected with the to-be-tested optical module disposed in the module mounting hole. The optical module testing device has the advantages that a pressure head is connected through a rotary shaft and a pressing plate, the testing device is simple in structure and good in structural stability during testing, mounting and demounting of each part are convenient, and repeated testing by using different PCBs, different to-be-tested modules, and the like is facilitated.
Owner:SOURCE PHOTONICS CHENGDU

Brush with brush head convenient to replace

The invention provides a brush with a brush head convenient to replace. The brush comprises a brush handle, bristles and a brush plate, the bristles are arranged on the brush plate, the brush plate is inserted into the brush handle, the brush handle is provided with an inserting groove matched with the brush plate, pressing devices are arranged at the two ends of the brush handle, and a through hole for hand holding is formed in the brush handle. The defects in the prior art are overcome, the brush is reasonable in design and compact in structure, the brush head and the brush handle are designed to be in a detachable structural mode, only the brush head is replaced under the condition that the handle is not replaced, and unnecessary waste is avoided.
Owner:安徽三和刷业股份有限公司

Modular dwelling design and manufacture and fabrication method

InactiveCN101086186AReflect the use of functional requirementsReflect individualityBuilding constructionsDwelling buildingComputer moduleFunctional requirement
The invention discloses a design and manufacture assemblage method of modular dwelling house. The design method uses four construction modules, it includes the design of small dwelling house construction processed by various combinations of accommodation module 01, space module 02, door and window module 03 and roof module 04. The manufacture assemblage method uses seven construction module, the method includes the manufacture and assemblage processed through the assemblage technologies of welding and bolt connecting the wall plate module 11, gable plate module 12, floor plate module 13, beam module 14, column module 15, roof truss module 16 and roof slab module 17. The advantages of the design method are: it can allow property owner self-design own villa, it show the using functional requirements and the construction fashion requirements of property owner fully and completely to reflect the personality fully.
Owner:任丙辉

Self-locking plug and installation method thereof

The invention relates to a self-locking plug and an installation method thereof. The self-locking plug can be locked in a jack frame. The plug comprises a plug frame, a pair of clamping hooks, a sliding block, an elastic piece, and a locking mechanism. The clamping hooks that are hinged to the plug frame oppositely can rotate around the hinged parts, so that the clamping hooks partially protrude out of the side part of the plug frame to be clamped with the jack frame; the sliding block arranged on the plug frame in a sliding mode can slide to the position between the pair of clamping hooks along the plug frame and push the pair of clamping hooks to rotate around the hinged positions of the clamping hooks. The elastic piece arranged on the plug frame is connected with the sliding block, andthe elastic piece supports the sliding block to the position between the pair of clamping hooks and is abutted against the clamping hooks; the locking mechanism is rotatably arranged on the plug frame, the sliding block is limited to the side, away from the pair of clamping hooks, of the plug frame through the locking mechanism, and the elastic piece is compressed to generate an elastic force; the jack frame drives the locking mechanism to rotate to unlock the sliding block, the sliding block slides to the position between the pair of clamping hooks under the action of the elastic piece, thepair of clamping hooks are pushed to rotate around the hinged positions so that part of the clamping hooks can protrude out of the side portion of the plug frame to be clamped with the jack frame, andthe sliding block extrudes the pair of clamping hooks to be partially pressed on the jack frame.
Owner:SHANGHAI YANFENG SEATING CO LTD

LED illuminating lamp

The invention discloses an LED illuminating lamp comprising a heat radiation base, a fixed support, a power supply box, a light enhancement shield, a light transmission shield and a fixed end cover, wherein the heat radiation base has a containing space; a dovetail groove and a T-shaped groove are arranged outside the heat radiation base; a positioning groove is arranged on the inner wall surfaceof the heat radiation base; a T-shaped block is arranged on the fixed support and inserted along the T-shaped groove; the fixed support is fixedly connected with the heat radiation base through screws; a dovetail inclined angle is arranged in the power supply box and inserted along the dovetail groove; the power supply box is fixedly connected with the heat radiation base through the screws; the light enhancement shield is arranged in the containing space; a plurality of grid grooves are arranged on the light enhancement shield; LED lamp bodies and lenses are arranged in the grid grooves; a positioning pillar is arranged on the fixed end cover and inserted along the positioning groove; and the fixed end cover is fixedly connected with the heat radiation base through the screws. The invention can ensure that the assembling of the parts is convenient by utilizing the bearing of the heat radiation base on the parts; the installation and the connection of the parts are more stable by utilizing the fixedly locking of the screws; and the LED illuminating lamp is suitable for popularization in markets.
Owner:东莞市光烨节能科技有限公司

Construction waste clearing and transporting device used in high-rise building construction floor

The invention discloses a construction waste clearing and transporting device used in a high-rise building construction floor. The construction waste clearing and transporting device comprises a plurality of fixing pieces, a plurality of vertical pipelines and a bent pipeline, the vertical pipelines are arranged between two vertically adjacent fixing pieces, the bent pipeline is fixedly connected to the lower end of the fixing piece at the lowest position, two mounting frames are fixedly mounted on the sides, close to the construction building, of the fixing pieces, feeding bent pipes are fixedly connected to the lower portions of the sides, close to the construction building, of the vertical pipelines, horn-shaped collecting pipes are fixedly connected to the ends, away from the vertical pipelines, of the feeding bent pipes, a maintenance plate is fixedly mounted on one side of the bent part of the bent pipeline through bolts, and buffer components are arranged in the vertical pipelines. The construction waste clearing and transporting device used in the high-rise building construction floor is easy and fast to mount, can reduce kinetic energy generated by falling of waste, plays a good buffering role, has the long service life and is suitable for popularization.
Owner:幸迅

Ceiling lamp realizing rapid assembly and disassembly

The invention discloses a ceiling lamp realizing rapid assembly and disassembly. The ceiling lamp comprises a fixing support plate used for fixing on a ceiling of a roof and a lamp body used for beingbuckled into the fixing support plate from bottom to top, wherein elastic buckles used for realizing elastic stretching and contracting along the radial direction are arranged on the peripheral sideof the lamp body, a baffle block is arranged at the inner side of the fixing support plate, one end of the baffle block is used for realizing peripheral stopping and fixing after the elastic buckle slides in, and the other end of the baffle block is used for the elastic buckle to slide out for realizing disassembly. For the ceiling lamp realizing rapid assembly and disassembly, through the elasticbuckles, the assembly and disassembly of the lamp body with the fixing support plate are concise and convenient, and the ceiling lamp has the advantages of wide application range and long service life.
Owner:QINGDAO YEELINK INFORMATION TECH

Damper for automotive suspension system

The invention relates to the technical field of automobile parts, and discloses a damper for an automotive suspension system. The damper comprises an oil storage cylinder barrel. An operation cylinderbarrel is fixedly sleeved with the oil storage cylinder barrel. A sealing piston is slidably connected into the operation cylinder barrel. A rebound valve and a flow valve are fixedly mounted at theleft end and the right end of the interior of the sealing piston correspondingly. Guide holders are fixedly mounted at the upper end and the lower end of the operation cylinder barrel. A compression valve and a compensation valve are fixedly mounted at the left end and the right end of the interior of the lower guide holder correspondingly. According to the damper for the automotive suspension system, by arranging a protrusion block, a connecting barrel and a clamping groove, a hoisting lug and a piston rod are connected in a detachable clamping-connection mode instead of a traditional weldingmode, meanwhile, a dust cover and the piston rod are in threaded connection, the top connecting rod limits the dust cover in the upward direction, thus, the dust cover can be independently replaced and dismounted, quick-wear parts such as the hoisting lug and the dust cover are independently dismounted and replaced, the application cost is reduced, and resources are saved.
Owner:钱盛

Semi-open water pump with optimized impeller structure and using method thereof

The invention discloses a semi-open water pump with an optimized impeller structure and a using method thereof. The semi-open water pump comprises a pump body containing a motor, a front end cover, and an impeller driven by a motor shaft; the front end cover is fixedly connected with the pump body through screws or buckles in a matched mode; the center position of the front end cover is provided with a shaft hole for allowing a motor rotation shaft to stretch out; the motor rotation shaft is inserted in the shaft hole, and the section, penetrating through the shaft hole, of the motor rotationshaft is fixedly connected with the impeller; and the upper end surface of the front end cover is uniformly provided with a plurality of struts in the circumferential direction. The semi-open water pump can be conveniently installed and connected with pump equipment and is convenient to clean and maintain, the lower surface of the impeller directly forms a water pump water inlet, an anti-leakage flow guide ring and combined blades do not rotate relatively, accordingly, leakage is avoided, and the service life of the water pump is prolonged; and in addition, the impeller is divided into an upper section and a lower section, the proportion of the upper section to the lower section is adopted according to the blades, the water feeding area is large, negative pressure is easy to form, water discharge is stable, the waterpower efficiency is high, and the water pumping efficiency of the water pump is remarkably improved.
Owner:广东圣洛威科技有限公司

Integrated SMC composite material ladder-type cable bridge

The invention discloses an integrally formed SMC composite material ladder-type cable bridge. The cable bridge comprises a first cable bridge and a second cable bridge, and two mounting mechanisms aresymmetrically arranged on the first cable bridge; each mounting mechanism comprises a mounting block, and a mounting groove is formed in each mounting block, wherein a mounting rod is movably arranged in each mounting groove; the mounting rods and the second cable bridge are integrally formed, fixing grooves are formed in the bottoms of the mounting rods, and the fixing grooves and the fixing mechanisms are arranged in a clamped mode. The mounting rods are inserted into the mounting grooves, the fixing grooves are formed in the bottoms of the mounting rods, and fixed plates are moved to one side of the fixing grooves; a fixing cap is connected with the fixing grooves in a clamped mode, thereby achieving the preliminary fixing; finally, the fixed plates are limited through the limiting blocks and the limiting grooves, thereby improving the mounting stability.
Owner:镇江昌达电气有限公司

Assembled filtration pipeline for yellow phosphorus tail gas boiler

The invention discloses an assembled filtration pipeline for a yellow phosphorus tail gas boiler. The assembled filtration pipeline comprises a supporting bottom plate, a cooling box, a pipe head anda filter screen, wherein supporting columns are arranged at the lower end of the supporting bottom plate, buffer columns are arranged on the upper side of the supporting bottom plate, the cooling boxis located on the upper side of the supporting plate, the pipe head is located on the lower left side of the cooling box and connected with a connecting pipe, and an anticorrosion layer is arranged onthe inner side of the connecting pipe; a first threaded pipe is arranged on the upper right side of the cooling box, a second threaded pipe is arranged on the right side of the first threaded pipe, both the first threaded pipe and the second threaded pipe are connected with a sleeve, and a storage box is fixed at the right end of the second threaded pipe; and the filter screen is located at the right end of an alkaline pipe, and the alkaline pipe is located on the inner side of the storage box. The assembled filtration pipeline for the yellow phosphorus tail gas boiler is convenient to install and disassemble, meanwhile hazardous substances can be fully removed through twice filtration of water washing and alkaline washing conveniently, yellow phosphorus tail gas is conveniently treated,and use convenience is realized.
Owner:贵州开阳川东化工有限公司

Concrete construction method for CRTSI double-block ballastless track roadbed slab

The invention relates to the technical field of concrete construction, and particularly relates to a concrete construction method for a CRTSI double-block ballastless track roadbed slab. The method comprises the following steps: S1, carrying out raw material storage management; S2, detecting the water content of the aggregate; S3, inputting concrete mix proportion process parameters; S4, binding roadbed slab reinforcing steel bars and mounting a template; S5, carrying out concrete stirring; S6, detecting concrete performance, and determining whether the concrete performance is qualified or not; S7, wetting a supporting layer and a track block, and pouring concrete; S8, plastering and calendaring for multiple times; S9, spraying a maintenance liquid, and loosening the fishplates and the fasteners; and S10, removing the mold, spraying a curing agent on the two side edges of the roadbed slab concrete, and performing covering curing. The construction method is detailed in step, the quality of concrete construction is effectively guaranteed, and meanwhile the construction efficiency is improved. The method is mainly applied to ballastless track roadbed slab concrete construction.
Owner:CHINA RAILWAY 12TH BUREAU GRP +1

Flexible connection copper foil with good heat dissi'pation

The embodiment of the invention relates to the technical field of flexible connection, in particular to a flexible connection copper foil with good heat dissipation. The flexible connection copper foil comprises a main connecting sheet, a copper foil lamination group is arranged at one end of the main connecting sheet, a secondary connecting sheet is arranged at the other end of the copper foil lamination group, and the copper foil lamination group comprises a plurality of copper foil laminations which are arranged in a stacked manner. The thickness of the copper foil laminations is 0.03 mm to0.5 mm, the width of the copper foil laminations is 10 mm to 300 mm, a spacing gap is formed between every two adjacent copper foil laminations in the length direction of the copper foil lamination group, the widths of the spacing gaps are sequentially decreased from the middle to the two sides, and connecting holes are formed in the main connecting pieces and the secondary connecting pieces. Theflexible connection copper foil has the beneficial effects that the heat dissipation effect is good, and durability is achieved; wiring and installation are convenient; and practicality is stronger.
Owner:河南众思成新能源科技有限公司

Energy-saving and environment-friendly type transverse-obvious vertical-hidden glass curtain wall for public buildings

The invention discloses an energy-saving and environment-friendly type transverse-obvious vertical-hidden glass curtain wall for public buildings. The energy-saving and environment-friendly type transverse-obvious vertical-hidden glass curtain wall comprises a vertical keel, a fixing pressing plate is mounted on the inner wall of the vertical keel, a glass auxiliary frame is mounted on the inner wall of the fixing pressing plate, an auxiliary frame side plate is mounted on the outer side of the glass auxiliary frame, and the auxiliary frame side plate is in overlapped connection with the vertical keel; and a transverse keel is mounted on the outer wall of the vertical keel, and hollow glass is mounted on the outer side of the transverse keel. According to the energy-saving and environment-friendly type transverse-obvious vertical-hidden glass curtain wall for the public buildings, through cooperation between the vertical keel and the transverse keel, waste of the hollow glass is avoided; by adjusting the distance between the transverse keel and the vertical keel, the size of the hollow glass is advantageously adjusted, and the situation of inconvenience brought to on-site construction and mounting due to the unified size is avoided; and the transverse keel and the vertical keel are fixedly connected through connecting bolts so that the transverse keel and the vertical keel canform a whole, and the whole structure is made to be more stable.
Owner:深圳市卓泰诚装饰工程有限公司

Shrinkage-preventing connector for integrated decoration plates

The invention discloses a shrinkage-preventing connector for integrated decoration plates. The shrinkage-preventing connector comprises a connector body, a plurality of oblique holes and a plurality of oblique teeth and is characterized in that the oblique holes are arranged in the connector body, a first included angle is formed between the central axis of each oblique hole and the connector body, the oblique teeth are arranged on the connector body, and the connector body, the oblique holes and the oblique teeth are of an integrated structure. The shrinkage-preventing connector has the advantages that the connector is embedded into each integrated decoration plate through the oblique holes in the connector body to connect and fix the integrated decoration plates, the oblique holes can guarantee mounting and connection stability and play a buffer role when the decoration plates have shrinkage deformation caused by temperature and the like, and deformation and cracking of the connecteddecoration plates are avoided; the oblique teeth on the connector body are neatly arranged, can play a decoration role and increase friction and further guarantee the firmness of the connection between the connector and the decoration plates; the connector is simple in structure, convenient to mount, capable of effectively preventing the shrinkage deformation of the integrated decoration plates and capable of prolonging the service life of the decoration plates.
Owner:嘉兴帝盛集成家居股份有限公司

Wind power bus system

The invention provides a wind power bus system. Side plates of a wind power bus are clamped and installed between phase line conductor fixed blocks and limiting ribs of cover plates through steps, theside plates are connected to supporting frames through rotation shafts and pull plates at the same time, the pull plates and the support frames are shortened in order such that the wind power bus isvertically installed in a wind tower, the bottom of a mounting frame is fixedly connected through the supporting frames and an inner wall of the wind tower, the top of the mounting frame presses against wind power bus cover plates through a damper, and mounting frames of adjacent bus systems are symmetrically distributed and installed along the diameter of the wind tower on a support frames. A vibration force is isolated through the damper, through the relative rotation of the pull plates and rotation shafts on the support frames and the relative rotation of the rotation shafts and side platemounting holes, vibration and inertial impact force generated by wind tower swing caused by strong wind flow are buffered, operating risks caused by the looseness of a bus body and a joint part causedby the swinging of the wind tower are reduced, the dynamic and thermal stability of a wind power bus system are good, the safety factor is high, and the bus installation and connection are stable.
Owner:镇江凯勒电力科技有限公司

Anchor chain capable of being rapidly installed and stably connected

The invention relates to an anchor chain capable of being quickly mounted and stably connected, which comprises a ship body, a first fixing assembly is fixedly mounted at the top of the ship body, a fixing sleeve sleeves the outer side of the first fixing assembly, an anchor chain is fixedly mounted on the right side of the fixing sleeve, a second fixing assembly is fixedly connected to the right side of the anchor chain, and an anchor rod is hinged to the bottom of the second fixing assembly. An anchor head is fixedly mounted at the bottom of the anchor rod; the second fixing assembly comprises a mounting ring sleeved with the right end of the anchor chain, a fixing seat is fixedly mounted on the right side of the mounting ring, a mounting rod is arranged in the fixing seat, and the top of the fixing seat is in threaded connection with a threaded rod with the bottom penetrating through the mounting rod and extending to the bottom of the fixing seat. The top and the bottom of the outer surface of the threaded rod are in threaded connection with nuts with one ends in threaded connection with the fixing base. The anchor chain capable of being rapidly installed and stably connected is simple in overall structure, the purpose that the anchor chain can be rapidly installed is achieved, installation and connection are stable, and use is convenient.
Owner:安徽亚太锚链制造有限公司

An optical fiber head assembly with an adjustable collimation focal length

The invention discloses an optical fiber head assembly with an adjustable collimation focal length mechanism, which comprises an optical fiber head and a collimation focusing assembly. Locking and positioning mechanism for fast positioning and locking / disassembly, the optical fiber head is inserted vertically into the locking and positioning mechanism and quickly positioned and locked by it, the optical channel for the optical fiber head to emit light is set in the fixed locking cylinder and the locking and positioning mechanism; fixed and locked A collimating and focusing knob is also provided at the insertion end of the matching optical fiber head of the barrel, which is screwed to the fixed locking barrel and the upper end surface of the collimating and focusing knob also resists the contact locking positioning mechanism, and the collimating and focusing knob drives The locking positioning mechanism and the optical fiber head move axially, so that the collimating and focusing components are placed on the matching collimating focus; Parallel light. The focal length of the optical fiber head of the optical fiber head assembly relative to the collimation and focus adjustment assembly of the present invention can be adjusted, and the insertion and locking of the optical fiber head is fast.
Owner:DONGGUAN GLORYSTAR LASER TECH

An optical module testing device

The invention discloses an optical module testing device which comprises a PCB (printed circuit board), a to-be-tested optical module and an optical fiber patch cord. A flexible circuit board is disposed on the to-be-tested optical module. In a testing state, the optical fiber patch cord is connected with the to-be-tested optical module, the flexible circuit board of the to-be-tested optical module is electrically connected with the PCB which is disposed on a bottom plate, a patch cord inserting seat is disposed on the bottom plate, a module mounting hole is formed between the patch cord inserting seat and the bottom plate, a patch cord inserting hole is formed above the module mounting hole, and when the optical fiber patch core is inserted into the patch core inserting hole, the optical fiber patch core is electrically connected with the to-be-tested optical module disposed in the module mounting hole. The optical module testing device has the advantages that a pressure head is connected through a rotary shaft and a pressing plate, the testing device is simple in structure and good in structural stability during testing, mounting and demounting of each part are convenient, and repeated testing by using different PCBs, different to-be-tested modules, and the like is facilitated.
Owner:SOURCE PHOTONICS CHENGDU

Damping type shear-resistant assembly type beam-column connecting structure

The invention provides a damping type shear-resistant assembly type beam-column connecting structure. The damping type shear-resistant assembly type beam-column connecting structure comprises a columnbody which is vertically arranged, wherein a beam body which is horizontally arranged is arranged at the top end of the column body; a plurality of damping holes are formed in the top end of the column body; damping parts which correspond to the damping holes are arranged on the lower surface of the middle part of the beam body; a plurality of fixing holes are formed in the lower surface of the middle part of the beam body; fixing rods which correspond to the fixing holes are arranged at the top end of the column body; the fixing rods are vertically arranged; fixing barrels which are matchedwith the fixing holes are arranged on the fixing rods in a sleeving manner; the bottom ends of the fixing barrels are fixed to the top end of the column body; a plurality of second springs are connected to the fixing rods; and the other ends of the second springs are connected with the inner walls of the fixing barrels. According to the damping type shear-resistant assembly type beam-column connecting structure disclosed by the invention, the damping holes are formed in the top end of the column body, and the damping parts are arranged on the lower surface of the middle part of the beam body,so that the situation that when the beam body receives external force, stress concentration is generated, elastic deformation is caused, and damage is generated is effectively avoided; and besides, the mounting manner is simple and convenient.
Owner:甘肃省集成装配式建筑产业发展有限公司

Hydraulic pipe connector

The invention provides a hydraulic pipe connector, and relates to the technical field of engineering machinery. The hydraulic pipe connector comprises a child pipe and a mother pipe. The child pipe comprises a first fixed pipe and a first rotary pipe rotationally connected to the first fixed pipe. The first rotary pipe is provided with rotary tenons. The mother pipe comprises a second fixed pipe and a second rotary pipe rotationally connected to one end of the second fixed pipe. Receding mortises are formed in the second fixed pipe. Rotary mortises are formed in the second rotary pipe, and thereceding mortises can correspond to the rotary mortises in the axial direction. When the child pipe is inserted into the mother pipe, the rotary tenons penetrate through the receding mortises and then are matched with the rotary mortises, the first rotary pipe and the second rotary pipe are oppositely fixed, then the second rotary pipe can drive the first rotary pipe to rotate by a preset angle,the rotary tenons can be staggered from the receding mortises in the axial direction, and therefore the child pipe is prevented from disengaging from the mother pipe. The hydraulic pipe connector is easy to operate and more convenient to mount during mounting and connecting.
Owner:SHANGHAI SANY HEAVY IND

A fire water gun quickly assembled by using multi-stage clamping positions

The invention discloses a firefighting lance capable of being quickly assembled through multi-step clamping. The firefighting lance structurally comprises a lance body, a nozzle, a valve, a control valve handle, a connecting ring and a quick assembly clamping structure. The lance and a water conveying belt are firmly installed and connected in a multi-step clamping mode through the arranged quickassembly clamping structure, so that normal and quick firefighting work is guaranteed; clamping balls are quickly and accurately aligned with clamping inlets by utilizing heteropolar-magnet attractionforce of arranged magnet inserts, the clamping speed is increased, and thus the installing speed of the lance is increased and firefighting timeliness is effectively achieved; the lance and the waterconveying belt are installed well in a semi-pushing semi-rotating mode by utilizing arranged inserting rail grooves and rotating rail grooves, and the defects that multiple circles of rotating are required in a threaded connection mode of the prior art, and time and labor are wasted are overcome; clamping grooves are formed so that the clamping balls can be firmly clamped in the clamping groovesby utilizing ultrahigh water pressure during water spraying, and thus installation firmness is improved.
Owner:福建惠安新然石材有限公司

Heavy six-link 180-degree casement hinge

The invention discloses a heavy six-link 180-degree casement hinge, and relates to hardware of doors and windows. The casement hinge comprises a groove-shaped bottom plate connected with a window frame, a starting connecting rod connected with a window sash, a long connecting rod, a short connecting rod, a long supporting connecting rod, a middle supporting connecting rod and a short supporting connecting rod, wherein the long connecting rod and the short connecting rod are riveted to the starting connecting rod, the long supporting connecting rod, the middle supporting connecting rod and theshort supporting connecting rod are riveted to the long connecting rod and the groove-shaped bottom plate respectively, and an opening and closing structure composed of nine rivet shafts is formed. According to the casement hinge, the thickness of the connecting rods is increased, and a riveting connection structure is used, so that the bearing capacity is improved; all parts are made of metal materials, and all functions of the hinge do not fail even under the condition of high temperature, so that the fire safety is guaranteed; and the window sash is driven to rotate through the rivet shaft,and extra movement space does not need to be increased, so that screws can be screwed at the groove-shaped bottom plate, the groove-shaped bottom plate is fixed to the window frame, and installationand connection are firm, and therefore, the load-bearing, anti-theft, fire-fighting and installation functions are greatly improved, and safety guarantee is provided for installation and use of a user.
Owner:孙平 +1

Compressive shock-resistant type pre-mixing travelling type sower

The invention provides a compressive shock-resistant type pre-mixing travelling type sower and belongs to the field of mechanical automation equipment of agricultural cultivation. The compressive shock-resistant type pre-mixing travelling type sower is characterized by comprising a walking mechanism, a material mixing cabin and a sowing wheel, wherein the material mixing cabin is connected with the sowing wheel through an upper material conveying general pipe; the material mixing cabin is in a hollow spherical shape; spiral material mixing strip holes are formed in the material mixing cabin; the material mixing cabin comprises a stirring and mixing driving device; the stirring and mixing driving device comprises a stirring and mixing driving motor; the stirring and mixing driving motor is connected with a screw rod through a motor shaft; threads are arranged on the upper material conveying general pipe and the screw rod is engaged with the threads; residual powder collection holes are formed in the spiral material mixing strip holes in the lower part of the material mixing cabin; the residual powder collection holes are connected with a powder recycling device. The compressive shock-resistant type pre-mixing travelling type sower can freely travel and work on a rugged mountain land and has great jolt-resistant and shock-resistant capabilities; seeds and medicine powder can be uniformly and stably stirred in advance so that the sowing success rate is greatly improved. Furthermore, the device can be used for recycling residual pesticide powder for reutilization, so that the device is economical and has no harm to the environment.
Owner:ZIBO DACHUANG AUTOMATIC TECH CO LTD

Optical fiber head assembly with collimating focal length adjusting mechanism

The invention discloses an optical fiber head assembly with a collimating focal length adjusting mechanism. The optical fiber head assembly comprises an optical fiber head and a collimating focusing assembly. A fixed locking cylinder is arranged at the upper end of the collimating focusing assembly, a locking positioning mechanism used for rapidly positioning and locking / dismounting and mounting of the optical fiber head is arranged on the fixed locking cylinder, the optical fiber head is vertically inserted in the locking positioning mechanism and is rapidly positioned and locked by the mechanism, and the fixed locking cylinder and the locking positioning mechanism are internally provided with a light channel for emitting of optical fiber head light; a collimating focusing rotary knob is further arranged at the position, matched with the inserting end of the optical fiber head, of the fixed locking cylinder and is in screw joint with the fixed locking cylinder, the upper end face of the collimating focusing rotary knob is in abutting contact with the locking positioning mechanism, the collimating focusing rotary knob drives the locking positioning mechanism and the optical fiber head to axially move, the collimating focusing assembly is placed on the matched collimating focal point, and the optical fiber head emits light along the light channel, is subject to collimating through the collimating focusing assembly on the collimating focus point and then outputs parallel light. The focal length of the optical fiber head of the optical fiber head assembly is adjustable relative to the collimating focusing assembly, and the optical fiber head is inserted and locked rapidly.
Owner:DONGGUAN GLORYSTAR LASER TECH
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