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Long tunnel fast construction process
ActiveCN103470267AReasonable designSimplify construction stepsUnderground chambersTunnel/mines ventillationTunnel constructionWater seepage
The invention discloses a long tunnel fast construction process. The tunnel construction method in the direction from the entrance to the exit and the tunnel construction method in the direction from the exit to the entrance are the same and each construction section is respectively constructed from back to front. The construction process is as follows: 1, excavating construction at an initial construction section, the process is as follows: performing advance geology forecast, determining the excavating construction method for the current construction section, excavating and primary supporting; 2, excavating construction at the next construction section; 3, repeating the step 2 for multiple times until the construction tunnel is through, wherein in the tunnel construction process, found water seepage areas are timely subjected to draining treatment, and the secondary lining construction is synchronously performed on the tunnel holes formed by excavating from front to back. The long tunnel fast construction method is reasonable in design, simple and convenient in construction, safe in the construction process, short in construction process and fast in construction progress, thus effectively solving the defects and shortcomings such as large equipment investment, long construction period and slow construction progress of the existing long tunnel construction.
Owner:中铁二十局集团第二工程有限公司
Plastic-coated wooden building template and preparation method thereof
InactiveCN103031948AEasy constructionReduce usageSynthetic resin layered productsWood layered productsPolyolefinFlexural strength
The invention discloses a plastic-coated wooden building template and a preparation method thereof, which relate to a building template and a preparation method thereof and mainly solve the problems that a high-cost performance building template prepared by the current preparation method is low in turnover times and poor in mechanical properties. The preparation method comprises the following steps: firstly, manufacturing a core plate by using a waste template; secondly, manufacturing a polyolefin veneer coated with non-woven fabric; thirdly, gluing double sides of a wood veneer, putting the wood veneer between the polyolefin veneer coated with the non-woven fabric and the core plate, with the same operation for upper and lower surfaces; and finally, pressing. The turnover times of the plastic-coated wooden building template is as high as 30-35 times, which is 10-17% higher than that of the current building template, so that the using cost of the plastic-coated wooden building template is reduced; the plastic-coated wooden building template has the bending strength of 52-55 MPa and an elasticity modulus of 6050-6210 MPa; the plastic-coated wooden building template is high in strength and good in toughness; the preparation method is simple, low in cost and easy to implement, and is applicable to large-scale popularization and application; and the plastic-coated wooden building template has relatively high economic and social benefits and can be applied to the building engineering.
Owner:安徽省崃山建材有限公司
Convenient and fast constant-resistance type temporary support strut
The invention relates to a convenient and fast constant-resistance type temporary support strut which can solve the difficulties restricting the development of tunneling temporary support in the tunneling temporary of maintenance of tunneling head and roof fall region maintenance, wherein the difficulties include complicated operation, long assembly and disassembly time, low setting stress, heavy size, high price and the like. In the structure, the temporary support strut comprises an outer strut, a sleeve, a rack strut and an inner movable strut; the inner movable strut is provided with a top tray at the upper end and fixing holes in the strut body and is installed in the rack strut; the outer wall of the rack strut is provided with pin holes; pins pass through the pin holes and the fixing holes in the inner movable strut in a cross way to fix the inner movable strut and the rack strut together; the rack strut passes through the sleeve and is installed in the outer strut; a lifting mechanism for lifting the rack strut up is fixed on the sleeve; the sleeve is fixed on the outer strut; a bottom tray is arranged at the lower part of the outer strut, and a brake is installed at the lower part of the sleeve on the outer strut. The convenient and fast constant-resistance type temporary support strut is light and adjustable, also has the advantages of high support speed, large support height, high setting stress, automatic pressure release and the like, and can greatly improve the filed working efficiency and guarantee the construction safety.
Owner:HENAN POLYTECHNIC UNIV
Concrete support and fish-belly sill combined supporting system of special-shaped foundation pit and construction method
The invention relates to a concrete support and fish-belly sill combined supporting system of a special-shaped foundation pit. The system comprises concrete supports, assembled fish-belly sills, section steel diagonal supports, corner supports and middle stand columns, wherein the first pass and the third pass of supports of the foundation pit adopt the concrete supports, and the second pass and the fourth pass of supports adopt the fish-belly sill supports; and the concrete supports and the fish-belly sill supports are vertically connected through steel stand columns in the foundation pit to form a space system. The invention additionally discloses a construction method for the concrete support and fish-belly sill combined supporting system of the special-shaped foundation pit. The construction method comprises the steps of constructing the first pass of concrete supports, roadway slabs and trestle slabs after foundation pit enclosure and stand column piling are completed; after the strength meets the requirement, downwards excavating the foundation pit to the position of the second pass of supports, i.e. the fish-belly sill supports, sequentially installing corbels, brackets, purlins, the corner supports and the fish-belly sills, and finally installing the diagonal supports. The concrete support and fish-belly sill combined supporting system of the special-shaped foundation pit and the construction method provided by the invention have the advantages that the foundation pit is ensured to be safely and quickly constructed; a larger operating space can provided, the speed of installing and removing the supports is fast and the deformation control of the foundation pit is facilitated.
Owner:中铁建大桥工程局集团第三工程有限公司
Electric double frame brace and electric bicycle or motorcycle utilizing same
ActiveCN103552621ANot easy to shakeSimple structureAnti-theft cycle devicesCycle standsElectric machineEngineering
The invention relates to an electric double frame brace, which comprises a pair of barrels in bearing fit with two ends of a shell, screw rods fixed on the central axes in the barrels, and a pair of frame braces connected with the screw rods in the pair of barrels through threads respectively. A limiting mechanism for limiting the rotation of each frame brace relative to the shell is arranged between the pair of frame braces and the shell. The pair of barrels is in synonymous transmission connection with a frame brace motor. The electric double frame brace has the beneficial effects of simple structure, low cost and convenient assembly. The process of supporting a bicycle can be completed electrically, man power is not required, the supporting speed is faster (generally within 5 minutes), the double frame brace is suitable for supporting a load of 300 Kg, and the use by a user is facilitated.
Owner:常州市爱多动力科技有限公司
Anchor rod transloading set
ActiveCN102536312ATimely transportImprove delivery capacityMine roof supportsUnderground transportEngineeringTransfer mechanism
The invention belongs to the technical field of underground equipment in a coal mine and particularly relates to an anchor rod transloading set which solves the problem that existing underground equipment in the coal mine cannot be suitable for mines with small section roadways and mines with coal beds in poor geological conditions. The anchor rod transloading set comprises a chassis, a transloading mechanism and a scraper conveyer. The bottom disc is provided with the transfer mechanism and comprises a main frame, a left crawler frame, a right crawler frame and a tail frame. Lifting mechanisms are respectively arranged at the top parts of the left crawler frame and the right crawler frame. The top parts of the lifting mechanisms are connected with a worktable, and the front part of the worktable is connected with a front anchor protector. A rear anchor protector is arranged at the rear part of the main frame. Temporary supports are further hinged on the left crawler frame and the right crawler frame. The invention has the beneficial effects that the anchor rod transloading set can be used for mines with small section roadways and mines with coal beds in poor geological conditions, the complete machine is arranged compactly, the structure is reasonable, the anchor protector part has high degree of automation and fast support speed, and the anchor rod transfer set has large loading capacity, strong climbing ability and can protect and transfer at the same time.
Owner:TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1
Electrically-driven double arm-braces and electric motorcar or motorcycle adopting same
The invention relates to electrically-driven double arm-braces. The electrically-driven double arm-braces comprise a pair of supporting rods matched with an arm-brace motor in a transmission manner, and a pair of footing rods hinged with the bottom ends of the supporting rods respectively, wherein an extending part extendingoutwardly is arranged on the outer side surface of the top end of each footing rod; a meshing tooth is formed at the top end of each extending part, or a pulley is arranged at the top end of eachextending part; a meshing seat is fixedly arranged at the upper part of a position adjacent to each extending part; when each supporting rod is in upward displacement, the meshing seat is meshed with the meshing tooth, or is in sliding fit with the pulley, and is suitable for allowing the supporting rods to swing towardsthe inner side until to be in the horizontal state; when each supporting rodis in downward displacement, the meshing seat and the meshing tooth are separatedfrom each other, and the footing rods are suitable for swinging downwards and present in a splay shape. When the electrically-driven double arm-braces are in use, supporting rods continue downward synchronous displacement until being in contact with the ground and supporting up the rear end part of an electric motorcar or a motorcycle so as to fix the electric motorcar or the motorcycle, and moreover, labor is not required.
Owner:常州市爱多动力科技有限公司
Anti-falling wheelbarrow with labor-saving unloading
ActiveCN105774850AFast processProcess effortHand carts with one axisHand cart accessoriesTerrainMechanical engineering
The invention discloses an anti-falling wheelbarrow with labor-saving unloading, which comprises a barrow plate, a bucket, a single wheel, a supporting rod, handles, a sliding device, a locking device and anti-falling devices, wherein the bucket is positioned above the barrow plate; the single wheel is fixed below the barrow plate through a wheel plate; the supporting rod and the handles are fixed at the same end of the barrow plate; the sliding device is used for making the bucket move back and forth on the barrow plate; the locking device is used for fixing the bucket; the anti-falling devices are arranged on two sides of the barrow plate and can be downwards unfolded and folded towards the bottom of the barrow plate. By the adoption of the structure, the wheelbarrow makes unloading labor-saving and convenient, is unlikely to turn to one side and can adapt to a complicated terrain, so that toppling of the wheelbarrow can be avoided in a process of transporting cargoes, and injury to a worker pushing the wheelbarrow is avoided.
Owner:CHINA MCC5 GROUP CORP
Pneumatic anchor rod and anchor cable drill loader
InactiveCN106285743AReduce labor intensityReduce construction costsBorehole drivesTunnelsEngineeringSteering control
The invention relates to the technical field of roadway mining and discloses a pneumatic anchor rod and anchor cable drill loader. The pneumatic anchor rod and anchor cable drill loader comprises a feeding mechanism, a rotating mechanism and a steering control mechanism. The feeding mechanism is a multi-grade air cylinder and used for feeding and withdrawing the rotating mechanism. The rotating mechanism is powered by a pneumatic motor; rotation is transferred to a drilling rod connecting shaft after the rotating mechanism is decelerated by a gearbox; and the drilling rod connecting shaft is used for drilling and / or stirring of an initially-installed anchor rod and an initially-installed anchor cable. The rotating mechanism is further provided with a pre-tightening output shaft; and the pre-tightening output shaft is connected with the gearbox and used for pre-tightening an anchor rod nut. The pneumatic anchor rod and anchor cable drill loader integrates anchor rod drilling, installing and pre-tightening, saves labor force, has the effects of low labor intensity and high efficiency, improves safety, and reduces construction cost.
Owner:邢台瑞洋工矿工程有限公司
High-reliability conveying trolley structure for construction field
ActiveCN105857353AStable supportSlow down the trendHand carts with one axisHand cart accessoriesTerrainArchitectural engineering
The invention discloses a high-reliability conveying trolley structure for construction field. The high-reliability conveying trolley structure for construction field comprises a trolley plate, a hopper, a single wheel, a support rod and a handlebar, wherein the hopper is positioned above the trolley plate; the single wheel is fixed under the trolley plate through a wheel plate; the support rod and the handlebar are fixed at the same end of the trolley plate; the trolley structure also comprises anti-falling devices arranged at the two sides of the trolley plate; the anti-falling devices can realize the downward unfolding and the folding in the direction towards the bottom of the trolley. The high-reliability conveying trolley structure has the advantages that by using the structure, the goal of adapting to the complicated terrain can be achieved; the tipping in the cargo conveying process of the trolley is avoided; a certain protection effect is achieved on trolley pushing personnel.
Owner:CHINA MCC5 GROUP CORP
Building template with high cost performance and preparation method thereof
InactiveCN102936952AGood value for moneyCost-effectiveSynthetic resin layered productsLaminationTurnover timePolyolefin
The invention provides a building template with a high cost performance and a preparation method thereof, relates to the building template and the preparation method thereof and mainly solves the problems that the existing waste template cannot be regenerated and reused, a wood template is not easy to de-mould in a use process and the turnover time is low. The product is formed by respectively sticking one layer of a sticking layer on each one of upper and lower surfaces of a core plate. The method comprises the following steps of: taking nails and sorting the waste templates; vertically cutting; leveling; transversely combing, and vertically connecting and combing; transversely splicing; filling holes; drying; sanding double faces with a fixed thickness to prepare the core plate; preparing a non-woven fabric polyolefin sticking face; coating an adhesive on a non-woven fabric of the non-woven fabric polyolefin sticking face; and coating on the upper and lower surfaces of the core plate, and pressing to finish. The building template with the high cost performance disclosed by the invention adopts the core plate made of the waste template, solves the regeneration and reutilization problems of the waste templates, and greatly improves the cost performance of the building template; and the property that the surface activity of the polyolefin sticking face is low is utilized, the template is easy to de-mould, and the turnover time is high.
Owner:安徽省崃山建材有限公司
Hand-push type delivery device applied to construction sites
ActiveCN105882697AAchieve fixationConsistent insertion depthSupporting partsHand carts with one axisTerrainBuilding construction
Owner:CHINA MCC5 GROUP CORP
Application of thermal-insulation refractory gypsum powder
InactiveCN111646767AHardening speedStable supportSolid waste managementClimate change adaptationThermal insulationLatex rubber
The invention belongs to the field of building materials, and particularly relates to application of a thermal-insulation refractory gypsum powder. The preparation method comprises the following stepsof: pretreating industrial by-product gypsum, preparing a reinforcing material, and carrying out graft modification on shell powder by using latex, then combining a simple and rapid preparation method to prepare the gypsum powder which can be used as a thermal-insulation refractory material to be applied to the building field and the medical field by utilizing byproduct gypsum, so that the gypsumpowder has an average thermal conductivity of 0.037W / (m.k), good thermal insulation effect and good fire resistance when being applied to the building field, and is light in weight, high in hardeningspeed and strong in supporting property when being used for a plaster bandage.
Owner:GUIZHOU KAILIN PHOSPHOGYPSUM INTEGRATION UTILIZATION
Power transformer mounting device for constructional engineering
ActiveCN111009387AGood stabilityImprove securityTransformers/reacts mounting/support/suspensionTransformers/inductances coolingStructural engineeringOil storage
The invention discloses a power transformer mounting device for constructional engineering. A base is included, a plurality of universal wheels are symmetrically arranged on two sides of a bottom of the base. Brake mechanisms are arranged on the universal wheels; a movably connected transformer body is arranged above the base; an oil storage layer is matched with an outer wall of the transformer body; a water storage layer is matched with the outer wall of the oil storage layer; and a groove is formed in a top of the base and located below the water storage layer in a matched mode. A pluralityof buffer pieces are arranged at the top of the inner wall of the groove; and damping mechanisms are symmetrically arranged on the top of the base and located on the two sides of the groove, a firstmounting groove is arranged in the base and located below the groove, movably-connected mounting plates are symmetrically arranged on a front side and a rear side in the first mounting groove in a matched mode, a plurality of connecting frames are arranged at one end of each mounting plate and located on an outer side of the first mounting groove and comprise connecting plates, and second supporting rods penetrate through the connecting plates. A power transformer is convenient and fast to move and brake, a damping capacity and stability of the power transformer in a transportation process canbe enhanced, and safety of the power transformer is guaranteed.
Owner:丽水市智汇佳科技有限公司
Multipoint movable tunnel face temporary supporting system
A multipoint movable tunnel face temporary supporting system comprises a base, a plurality of hydraulic output assemblies and a plurality of bearing plates. The hydraulic output assemblies are mountedon the base and each provided with the corresponding bearing plate; the base is of a movable structure; the hydraulic outlet assemblies comprise supporting hydraulic cylinders; and one ends of the supporting hydraulic cylinders are connected with the base, and the other ends of the supporting hydraulic cylinders are connected with the plate faces of the bearing plates. A tunnel face can be supported, supporting adjustment can be conducted according to the deformation situation of the tunnel face, efficient and rapid supporting is achieved, and the construction time is effectively saved.
Owner:SOUTHWEST JIAOTONG UNIV +1
Heading machine provided with cantilever type front canopy supporting protection device
ActiveCN101634224AEasy to install and replaceAvoid cost wasteSlitting machinesCutting machinesJoistArchitectural engineering
The invention relates to a heading machine, in particular to a heading machine provided with a cantilever type front canopy supporting protection device, aiming at solving the problem that the existing heading machine is not provided with the supporting protection device. The heading machine comprises a front cantilever and a speed reducing device positioned on the front cantilever, wherein the outer wall of the speed reducing device is sheathed with a canopy base, the left and the right sides of which are articulated with telescopic racks, and each telescopic rack consists of a support plate and two support legs fixed under the support plate; the front end on the upper surface of the canopy base is articulated with a rotary beam, the other end of which is penetrated with a rotating shaft vertical to the rotary beam, and the two ends of the rotating shaft are fixed with support beam bases which are provided with grooves that are internally articulated with support beams; jacks of the telescopic racks are respectively articulated between the bottoms at the two sides of the canopy bases and the telescopic racks, jacks of the rotary beams are articulated between the support plates of the telescopic racks and the rotary beams, and jacks of the support beams are articulated between the rotary beams and the rotating shafts. The heading machine can reduce the time for supporting protection, lighten the labor intensity, and effectively improve the safety factor.
Owner:SHANXI JINCHENG ANTHRACITE COAL MINING GRP CO LTD
Anti-tilting trolley fit for slope stopping
ActiveCN105774852AAchieve fixationConsistent insertion depthHand carts with one axisHand cart accessoriesInsertion deviceUtility trolley
The invention discloses an anti-tilting trolley fit for slope stopping, which comprises a trolley plate, a trolley hopper, a single wheel, a trolley handle, an insertion device and anti-tilting devices, wherein the trolley hopper is located above the trolley plate; the single wheel is fixed under the trolley plate through a wheel plate; the trolley handle is fixed on the trolley plate; the insertion device is fixed on the trolley plate or the trolley handle; the anti-tilting devices are arranged on the two sides of the trolley plate and can be unfolded downward and folded toward the bottom of the trolley plate; the insertion device comprises a connecting rod, a flat pressing plate and an insertion drum arranged under the flat pressing plate; one end of the connecting rod is fixed on the trolley plate or the trolley handle while the other end of the connecting rod is fixed with the flat pressing plate. With such a structure, the anti-tilting trolley can obtain reliable stopping guarantee and can be prevented from being out of control when used for loading and unloading cargos on a slope, can be conveniently restarted on the slope, and can be prevented from tilting in the process of transporting the cargos and can prevent a trolley operator from being hurt.
Owner:CHINA MCC5 GROUP CORP
Multi-layer composite mattress and bedding set
PendingCN107114956AGood air permeabilityGood resilienceStuffed mattressesSpring mattressesComposite materialPolymer chemistry
The invention relates to the field of daily articles and provides a multi-layer composite mattress. The multi-layer composite mattress comprises an isolation sleeve, a water-soluble sponge layer, a common sponge layer, a special-shaped sponge layer and a latex layer, wherein a first accommodation cavity, a second accommodation cavity, a third accommodation cavity and a fourth accommodation cavity are sequentially distributed in the isolation sleeve in the thickness direction; the water-soluble sponge layer is arranged in the first accommodation cavity; the common sponge layer is arranged in the second accommodation cavity; the special-shaped sponge layer is arranged in the third accommodation cavity; the latex layer is arranged in the fourth accommodation cavity; multiple strip-shaped bulges are arranged on the surface, away from the latex layer, of the special-shaped sponge layer; a gel layer is arranged on the surface, away from the sponge layer, of the water-soluble sponge layer. The multi-layer composite mattress is good in breathability and comfort. The invention further provides a bedding set. The bedding set comprises the multi-layer composite mattress, contributes to health and is good in comfort.
Owner:CHENGDU QUSHUI TECH CO LTD
A hand-push conveying device applied to a construction site
ActiveCN105882697BAchieve fixationConsistent insertion depthSupporting partsHand carts with one axisTerrainEngineering
Owner:CHINA MCC5 GROUP CORP
A kind of oil pipeline inner wall cleaning and drying processor
ActiveCN106238419BUniform walking supportGood uniform support performanceHollow article cleaningHeating arrangementHigh pressurePetroleum
The invention relates to a petroleum pipe inner wall cleaning and drying treater. The petroleum pipe inner wall cleaning and drying treater comprises an inner wall automatic walking device; the inner wall automatic walking device stably walks on an inner wall of a pipe from four directions, has four walking support forces uniformly distributed, is excellent in uniform support performance, and is excellent in stable walking performance; an inner wall rotary cleaning device is mounted at the middle part of the inner wall automatic walking device, can realize high-pressure cleaning function of the inner wall of the pipe, can perform local high-pressure cleaning according to the pipe inner wall demands, is wide in application range, is precise and adjustable in cleaning angle, is fast in cleaning speed, and is high in cleaning efficiency; and an inner wall drying device is mounted on the left side of the inner wall automatic walking device, can realize a quick drying function of the inner wall of the pipe, and can perform local quick drying according to actual conditions of the inner wall of the pipe. The petroleum pipe inner wall cleaning and drying treater can realize continuous and stable cleaning and drying functions of the inner wall of a petroleum pipe, has no need to replace equipment for operation during the process, is fast in treatment speed of the inner wall of the pipe, and is high in treatment efficiency of the inner wall of the pipe.
Owner:辽宁联海石油化工集团有限责任公司
Vertical gear shifting device suitable for heading machine, heading machine and vertical gear shifting method of heading machine
PendingCN114704261APrevent overtravelImprove the effect of excavation and expansionSafety devices for lifting equipmentsShaft sinkingReciprocating motionControl engineering
The invention discloses a vertical shaft heading machine capable of vertically shifting gears, which comprises a supporting seat arranged at the front end of a heading machine supporting arm and a fixing seat used for butting and fixing a duct piece, and the fixing seat can reciprocate up and down along the supporting seat; a self-locking wedge block is arranged on the heading machine supporting arm; a plurality of wedge block semi-closed grooves are formed in the fixed seat in the moving direction of the fixed seat; the wedge block semi-closed groove comprises a locking lock catch matched with the tip end of the self-locking wedge block, a directional concave table arranged below the locking lock catch and a side baffle connected with the locking lock catch and the directional concave table. The self-locking wedge block can enter or leave the wedge block semi-closed groove under the action of the wedge block driving mechanism. The self-locking wedge block is matched with the wedge block semi-closed groove, self-locking of the supporting base and the fixing base is completed, and the situation that when an oil cylinder arranged in the supporting base drives the fixing base, the positions of the supporting base and a supporting arm of the heading machine exceed the stroke is avoided. The excavation expanding effect of the vertical shaft heading machine is greatly improved, and then the construction efficiency of heading through the heading machine in vertical shaft construction is improved.
Owner:JIANHU FULI INTELLIGENT TECH CO LTD
An anti-sudden braking bus hoisting ring
ActiveCN109532610BAvoid falling situationsReduce the effective cross-sectional areaVehicle arrangementsStructural engineeringMechanical engineering
The invention discloses an anti-emergency-brake bus lifting ring. The lifting ring comprises a shell, wherein the shell is of a circular barrel-shaped structure; a plurality of cylinders are symmetrically arranged on the inner wall of the shell, a piston is hermetically and slidably connected to the inner wall of each cylinder, and each piston is fixedly connected with a push rod; the side, away from the corresponding piston, of each push rod is fixedly connected with an arc-shaped plate. The lifting ring has the advantages that when a bus takes a sudden turn and brakes, a standing passenger can tightly hold and pull a holding ring with force subconsciously, a round plate is driven to move downwards to make a straight rod extrude a baffle, and a U-shaped plate extends into a hard tube, sothat the effective cross-sectional area of liquid flowing in the straight rod and the hard tube is reduced, and the amount of a fluid which can flow through in unit time in the hard tube is greatly reduced, that is, the fluid in each cylinder cannot be rapidly circulated. Therefore, the holding ring generates large supporting force on the hands of the passenger, and the situation that the passenger falls down is avoided.
Owner:临沂临港经济开发区市政工程有限公司
Liftable, foldable and extensile airborne advanced support device
ActiveCN106761872AAchieve irregular shapesAchieving adaptive adjustmentMine roof supportsEngineering
Owner:HUAINAN MINING IND GRP
Convenient and fast constant-resistance type temporary support strut
Owner:HENAN POLYTECHNIC UNIV
A high-reliability transport trolley structure used in construction sites
ActiveCN105857353BStable supportSlow down the trendHand carts with one axisHand cart accessoriesTerrainArchitectural engineering
The invention discloses a high-reliability conveying trolley structure for construction field. The high-reliability conveying trolley structure for construction field comprises a trolley plate, a hopper, a single wheel, a support rod and a handlebar, wherein the hopper is positioned above the trolley plate; the single wheel is fixed under the trolley plate through a wheel plate; the support rod and the handlebar are fixed at the same end of the trolley plate; the trolley structure also comprises anti-falling devices arranged at the two sides of the trolley plate; the anti-falling devices can realize the downward unfolding and the folding in the direction towards the bottom of the trolley. The high-reliability conveying trolley structure has the advantages that by using the structure, the goal of adapting to the complicated terrain can be achieved; the tipping in the cargo conveying process of the trolley is avoided; a certain protection effect is achieved on trolley pushing personnel.
Owner:CHINA MCC5 GROUP CORP
Heading machine provided with cantilever type front canopy supporting protection device
ActiveCN101634224BReasonable selectionLarge working spaceSlitting machinesCutting machinesJoistArchitectural engineering
The invention relates to a heading machine, in particular to a heading machine provided with a cantilever type front canopy supporting protection device, aiming at solving the problem that the existing heading machine is not provided with the supporting protection device. The heading machine comprises a front cantilever and a speed reducing device positioned on the front cantilever, wherein the outer wall of the speed reducing device is sheathed with a canopy base, the left and the right sides of which are articulated with telescopic racks, and each telescopic rack consists of a support plateand two support legs fixed under the support plate; the front end on the upper surface of the canopy base is articulated with a rotary beam, the other end of which is penetrated with a rotating shaftvertical to the rotary beam, and the two ends of the rotating shaft are fixed with support beam bases which are provided with grooves that are internally articulated with support beams; jacks of the telescopic racks are respectively articulated between the bottoms at the two sides of the canopy bases and the telescopic racks, jacks of the rotary beams are articulated between the support plates ofthe telescopic racks and the rotary beams, and jacks of the support beams are articulated between the rotary beams and the rotating shafts. The heading machine can reduce the time for supporting protection, lighten the labor intensity, and effectively improve the safety factor.
Owner:SHANXI JINCHENG ANTHRACITE COAL MINING GRP CO LTD
An anti-fall trolley suitable for parking on slopes
ActiveCN105774852BAchieve fixationConsistent insertion depthHand carts with one axisHand cart accessoriesEngineeringInsertion device
The invention discloses an anti-tilting trolley fit for slope stopping, which comprises a trolley plate, a trolley hopper, a single wheel, a trolley handle, an insertion device and anti-tilting devices, wherein the trolley hopper is located above the trolley plate; the single wheel is fixed under the trolley plate through a wheel plate; the trolley handle is fixed on the trolley plate; the insertion device is fixed on the trolley plate or the trolley handle; the anti-tilting devices are arranged on the two sides of the trolley plate and can be unfolded downward and folded toward the bottom of the trolley plate; the insertion device comprises a connecting rod, a flat pressing plate and an insertion drum arranged under the flat pressing plate; one end of the connecting rod is fixed on the trolley plate or the trolley handle while the other end of the connecting rod is fixed with the flat pressing plate. With such a structure, the anti-tilting trolley can obtain reliable stopping guarantee and can be prevented from being out of control when used for loading and unloading cargos on a slope, can be conveniently restarted on the slope, and can be prevented from tilting in the process of transporting the cargos and can prevent a trolley operator from being hurt.
Owner:CHINA MCC5 GROUP CORP
A power transformer installation device for construction engineering
ActiveCN111009387BEnable mobilityAchieve brakingTransformers/reacts mounting/support/suspensionTransformers/inductances coolingBrakeTransformer
The invention discloses a power transformer mounting device for constructional engineering. A base is included, a plurality of universal wheels are symmetrically arranged on two sides of a bottom of the base. Brake mechanisms are arranged on the universal wheels; a movably connected transformer body is arranged above the base; an oil storage layer is matched with an outer wall of the transformer body; a water storage layer is matched with the outer wall of the oil storage layer; and a groove is formed in a top of the base and located below the water storage layer in a matched mode. A pluralityof buffer pieces are arranged at the top of the inner wall of the groove; and damping mechanisms are symmetrically arranged on the top of the base and located on the two sides of the groove, a firstmounting groove is arranged in the base and located below the groove, movably-connected mounting plates are symmetrically arranged on a front side and a rear side in the first mounting groove in a matched mode, a plurality of connecting frames are arranged at one end of each mounting plate and located on an outer side of the first mounting groove and comprise connecting plates, and second supporting rods penetrate through the connecting plates. A power transformer is convenient and fast to move and brake, a damping capacity and stability of the power transformer in a transportation process canbe enhanced, and safety of the power transformer is guaranteed.
Owner:丽水市智汇佳科技有限公司
Electric double support and its electric car or motorcycle
Owner:常州市爱多动力科技有限公司
Anchor rod transloading set
ActiveCN102536312BCompact layoutReasonable structureMine roof supportsUnderground transportEngineeringTransfer mechanism
Owner:TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1
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