CN105236271A - Comprehensive laboratory examination device for anti-wind brake product of crane - Google Patents
Comprehensive laboratory examination device for anti-wind brake product of crane Download PDFInfo
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- CN105236271A CN105236271A CN201510758208.4A CN201510758208A CN105236271A CN 105236271 A CN105236271 A CN 105236271A CN 201510758208 A CN201510758208 A CN 201510758208A CN 105236271 A CN105236271 A CN 105236271A
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Abstract
The invention relates to a comprehensive laboratory examination device for an anti-wind brake product of a crane. The comprehensive laboratory examination device for the anti-wind brake product of the crane comprises a base, a roller way is fixed on the base, a roller way sliding plate is movably arranged on the roller way, and the roller way is fixedly connected with the roller way sliding plate through a pressure plate; an experiment trolley composed of a trolley frame and wheel parts is mounted on the roller way, the bottom of a sliding type pressing rack is hinged to the trolley frame, a pair of wheel-pressure simulation oil cylinders are fixed at the top of the sliding type pressing rack, the tops of the wheel-pressure simulation oil cylinders are connected with a pulley in a butting manner, and the pulley is connected in a sliding manner with the lower end surface of the top of a test bench frame through two sets of double carrier rollers. The comprehensive laboratory examination device provided by the invention has a simple structure, is convenient to use, can simulate the wheel pressure of a walking wheel and the wind load of an outdoor crane inside a laboratory, and also can detect dynamic and static windproof resistance and friction performance of the anti-wind brake product (such as a wheel brake, a rail clamping device and a rail brake) of the crane on a normal rail surface or a rail surface with water, oil, sand and the like.
Description
Technical field
The present invention relates to hoisting crane wind prevention braking product detection device, especially a kind of hoisting crane wind prevention braking product testing room detecting device of composite type.
Background technology
At the uplifting and unloading machineries of outdoor work, (especially structural volume is comparatively huge; the Large-scale professional uplifting and unloading machineries of the outdoor uses such as the major port that wind area is large, harbour) when working in work area; often can meet with the attack of sudden strong wind, so these uplifting and unloading machineries generally all need to arrange the wind-proof device under mode of operation.The reliability of wind-proof device and protection effect directly affect the job safety of uplifting and unloading machineries, if the reliability of wind-proof device and the requirement of wind prevention braking effect out of reach, when uplifting and unloading machineries meets with the attack of sudden strong wind in the course of the work, uplifting and unloading machineries can produce mobile under the action of the forces of the wind along track, may occur that uplifting and unloading machineries out of controlly causes colliding, derails, the major accident such as to tumble thus, cause the person and property casualty accident.The various transfer crane disaster caused by a windstorm accidents of annual various large-scale, ultra-large type hoisting crane and port loading and unloading machinery and outdoor work in the world frequently occur, and all cause a large amount of property damagees and personal casualty every year.
Current domestic wind prevention braking device manufacturer lacks the device detected wind prevention braking device product performance specially, some in-place tests can only be carried out, namely utilize large-scale towing vehicle to pull whole hoisting crane (wind prevention braking device is in braking mode), until crane produces mobile, then detected and calculate the size of the anti-air draught of hoisting crane by pulling force sensor, experimental set-up forms complicated, and cost is very high, test effect poor stability.
Summary of the invention
The applicant is for above-mentioned existing issue, a kind of test cell detecting device of composite type hoisting crane wind prevention braking product is provided, utilize the present invention effectively can realize simulating uplifting and unloading machineries running wheel wheel load and the wind load action of outside work in test cell, and the wind-proof performance of uplifting and unloading machineries wind prevention braking product can be detected, utilize the present invention can meet the detection demand of the multiple wind prevention braking products such as wheel drg, rail clamping device and top rail machine simultaneously.
The technical solution adopted in the present invention is as follows:
A kind of composite type hoisting crane wind prevention braking product testing room detecting device, comprise pedestal, roller-way is fixed on described pedestal, and roller-way slide plate is arranged on described roller-way movably, and track is fixedly connected with described roller-way slide plate by pressing plate; Bogie frame and wheel group composition test chassis are arranged on described track, Slidable exert pressure the bottom of stand and described bogie frame hinged, a pair wheel load simulation oil cylinder is fixed at the exert pressure top of stand of described Slidable, the top of described wheel load simulation oil cylinder abuts coaster, and described coaster passes through lower surface, the top sliding block joint of two groups of double bracket rollers and test bed framework.
Its further technical scheme is:
Described pedestal is fixed on ground level by holding-down bolt and pressing plate, and described roller-way forms by organizing single mount roller more, and each group single mount roller is all equidistantly fixed on pedestal, and described track is made up of the replaceable track of multistage;
Also comprise the oil cylinder seat being fixed on pedestal side, described oil cylinder seat is installed wind-force simulation oil cylinder; In the opposite side also sensor installation mount pad of described pedestal, described sensor installation seat is installed the first pressure sensor;
Arrange for connecting tested wheel drg mounting interface of taking turns drg in one end of described bogie frame, in the rail clamping device mounting interface of other end setting for connecting tested rail clamping device of described bogie frame, the top rail machine mounting interface for connecting tested top rail machine is also set in the below of described crossbeam; When carrying out the wind-proof performance test taking turns drg or rail clamping device, the piston rod of described wind-force simulation oil cylinder is connected by the bottom of the horizontal push with bogie frame with two bifurcateds; When carrying out the wind-proof performance test of top rail machine, the second pressure sensor is connected by Connection Block in one end of described track, one end of described wind-force simulation oil cylinder and thrust shaft coupling is spirally connected, and the other end of described thrust shaft coupling runs through thrust coupling base, and described thrust coupling base is fixed on pedestal.
Beneficial effect of the present invention is as follows:
Structure of the present invention is simple, easy to use, the present invention is utilized to test lab simulation outdoor crane running wheel wheel load and wind load action, hoisting crane wind prevention braking product (wheel drg can also be detected, rail clamping device, top rail machine) there is water at normal rail level and rail level, oil, the anti-air draught of sound state under the conditions such as sand and frictional behaviour, utilize the present invention can realize the test of multiple wind prevention braking product, have easy and simple to handle, image data is fast reliable, the advantage that making and installation is easy, wheel load simulation oil cylinder and coaster can move with test chassis, the setting accuracy of each wind prevention braking product parallelism of track cross level face (height with) is reliable, greatly save manufacture, experimentation cost.At track free end the first pressure sensor is set and the second pressure sensor gathers windproof resistance signal, wind-force can be avoided to simulate the impact of oil cylinder operational shock, make the windproof drag data that records reliable.The layout of test bed framework is convenient to manufacture, install and the adjustment of test products setting accuracy and guarantee.When top rail machine is tested, coaster, wheel load simulation oil cylinder and double bracket roller can move to one end of pedestal with test chassis, thus can vacate the installation test that working space is convenient to tested top rail machine.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is the lateral plan of Fig. 1.
Fig. 3 is the test condition figure taking turns drg in the present invention.
Fig. 4 is rail clamping device test condition figure in the present invention.
Fig. 5 is top rail machine test condition figure in the present invention.
Wherein: 1, pedestal; 2, support; 3, roller-way; 4, roller-way slide plate; 5, track; 6, wheel group; 7, bogie frame; 8, Slidable is exerted pressure stand; 9, wheel load simulation oil cylinder; 10, wind-force simulation oil cylinder; 11, crossbeam; 12, test bed framework; 13, coaster; 14, double bracket roller; 15, horizontal push; 16, sensor installation seat; 17, the first pressure sensor; 18, locating plate; 19, guided in translation support; 20, oil cylinder seat; 21, drg mounting interface is taken turns; 22, testedly drg is taken turns; 23, rail clamping device mounting interface; 24, tested rail clamping device; 25, top rail machine connecting device; 26, tested top rail machine; 27, the second pressure sensor; 28, thrust coupling base; 29, thrust shaft coupling; 30, top rail machine mounting interface; 31, roller.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1 and Figure 2, a kind of composite type hoisting crane wind prevention braking product testing room of the present invention detecting device comprises pedestal 1, roller-way 3 is fixed on pedestal 1, and roller-way slide plate 4 is arranged on roller-way 3 movably, and track 5 is fixedly connected with roller-way slide plate 4 by pressing plate.Said base 1 is fixed on ground level by holding-down bolt and pressing plate, and roller-way 3 forms by organizing single mount roller more, and each group single mount roller is all equidistantly fixed on pedestal 1, and track 5 is made up of the replaceable track of multistage.Bogie frame 7 and wheel group 6 form test chassis and are arranged on track 5, Slidable exert pressure the bottom of stand 8 and bogie frame 7 hinged, in the exert pressure hinged place of stand 8 of bogie frame 7 and Slidable, roller 31 is set, each roller 31 connects guided in translation support 19 by roller mount pad 32 (32 do not mark in the accompanying drawings), and guided in translation support 19 is affixed with the inner side of two adjacent each other supports 2.A pair wheel load simulation oil cylinder 9 is fixed at the exert pressure top of stand 8 of Slidable, and the top of wheel load simulation oil cylinder 9 abuts coaster 13, and coaster 13 is by the lower surface sliding block joint of two groups of double bracket rollers 14 with the top cross-bar 11 of test bed framework 2.As shown in Figure 1 and Figure 2, test bed framework 12 is made up of crossbeam 11 and four supports 2, arranges two supports 2 in the both sides of pedestal 1 respectively, the lower end of each support 2 by bolt and pedestal 1 and ground level affixed, the upper end of each support 2 is bolted crossbeam 11.
As shown in Figure 1 and Figure 2, between a pair wheel load simulation oil cylinder 9, also arrange two pieces makes bogie frame 7 not bear the locating plate 18 of moment of flexure for ensureing that wheel load is simulated when oil cylinder 9 pressurizes.As shown in Fig. 3, Fig. 4 and Fig. 5, the present invention also comprises the oil cylinder seat 20 being fixed on pedestal 1 side, oil cylinder seat 20 is installed wind-force simulation oil cylinder 10; In the opposite side also sensor installation mount pad 16 of pedestal 1, sensor installation seat 16 is installed the first pressure sensor 17; When carrying out the wind-proof performance test taking turns drg or rail clamping device, the piston rod of wind-force simulation oil cylinder 10 is connected with the bottom of bogie frame 7 by the horizontal push 15 with two bifurcateds; When carrying out the wind-proof performance test of top rail machine, wind-force simulation oil cylinder 10 is spirally connected with one end of thrust shaft coupling 29, the other end of thrust shaft coupling 29 runs through thrust coupling base 28 (when wind-force simulation oil cylinder 10 does not start, the other end that thrust shaft coupling 29 runs through thrust coupling base 28 not with the end contact of track 5), thrust coupling base 28 is fixed on pedestal 1; Also the second pressure sensor 27 is connected by Connection Block in one end of track 5.
Arrange for connecting tested wheel drg mounting interface 21 of taking turns drg 22 in one end of above-mentioned bogie frame 7, in the rail clamping device mounting interface 23 of other end setting for connecting tested rail clamping device 24 of bogie frame 7, the top rail machine mounting interface 30 for connecting tested top rule device 26 is also set in the below of crossbeam 11.
In the present invention, wheel group 6 adopts standard test wheel, each wheel diameter is 800mm, width is 150 ~ 200mm, the test simulation wheel load scope of wheel load simulation oil cylinder 9 is 80 ~ 800kN, maximum wheel load pressure of exerting pressure is 20MPa, middle orbit 5 of the present invention adopt in standard test track QU80, QU100 or QU120 any one, lock torque (on axletree) trial stretch when adopting wheel brake is 4000 ~ 40000Nm, brake resistance trial stretch during track brake is 40 ~ 1120kN, and Hydraulic Station operation pressure is that 2 ~ 20MPa is adjustable.
In the present invention, the Hydraulic Station of wind-force simulated oil cylinder 10, wheel load simulation oil cylinder 9 drives pump fuel feed by a motor, the hydraulic control components such as solenoid directional control valve, ratio pressure flow valve, by pass valve, hydraulic pressure sensor are set above hydraulic reservoir, hydraulic tubing between Hydraulic Pump with T/S adopts hard tube to be connected, and then adopts flexible pipe to be connected to each hydraulic ram.In the present invention, tested hydraulic oil pump of taking turns drg 22, tested rail clamping device 24 and tested top rail machine 26 declutches by hydraulic pressure in process of the test, spring brake application.
To handle in the present invention and the process of test figures is that the electrical control that forms with Programmable Logic Controller (PLC) electrical control cubicles that is core, industrial computer, operator's station and data acquisition processing system have come, and be provided with monitored picture.
Specific works process of the present invention is as follows:
About wheel drg:
As shown in Figure 1, Figure 2 and Figure 3, tested drg 22 of taking turns passes through the left end that wheel drg mounting interface 21 is arranged on bogie frame 7, tested drg 22 of taking turns installs rear as prescribed condition and is closed by tested drg 22 of taking turns, the pressurization of wheel load simulation oil cylinder 9 as prescribed produces normal thrust, this normal thrust acts on to crossbeam 11 by the double bracket roller 14 on coaster 13, because crossbeam 11 acts on ground by support 2, therefore crossbeam 11 produces a downward antagonistic force and is passed to test chassis, thus simulation crane wheel wheel load.Wheel load is simulated oil cylinder normal thrust signal and is delivered in the Programmable Logic Controller (PLC) of electrical control and data acquisition processing system by the pressure sensor of wheel load simulation oil cylinder 9 control loop and pressure transformer (not shown).When wheel load is increased to rated value, apply horizontal thrust (horizontal force suffered by simulated wind load thrust and bogie frame 7) to test chassis by wind-force simulation oil cylinder 10, the wheel of wheel group 6 with produce the adhesion resistance contrary with horizontal thrust direction between track 5, this adhesion resistance is the anti-air draught of generation.Because track 5 is free state along horizontal thrust direction, adhesion resistance gives the thrust that track 5 one numerical value is equal simultaneously, and gather this thrust at track 5 free end by the first pressure sensor 17, this thrust is windproof Resistance Value.Wind-force simulation oil cylinder 10 applies horizontal thrust slowly to test chassis, when horizontal thrust overcome tested take turns the anti-air draught that drg 22 produces time, the horizontal thrust that wind-force simulation oil cylinder 10 applies is passed to test chassis by horizontal push 15, wheel group 6 is made to start to slide on the rail 5 or rotate, when testing chassis and touching displacement limits limit switch, PLC makes hydraulic motor power-off, valve-off.The horizontal thrust Signal transmissions that first pressure sensor 17 collects carries out processing and test results (generating trial curve and test documentation) needed for exporting to computing machine.
About rail clamping device:
As shown in Figure 4, tested rail clamping device 24 is connected with bogie frame 7 by rail clamping device mounting interface 23, simulate oil cylinder 10 by wind-force and apply a horizontal thrust to test chassis, the friction shoe of tested rail clamping device 24 with produce the friction drag contrary with horizontal thrust between track 5, this friction drag is the anti-air draught of generation, friction drag gives the thrust (track 5 is free state along thrust direction) that track 5 one numerical value is equal simultaneously, gather thrust magnitude at the free end of track 5 by the first pressure sensor 17, this thrust magnitude is windproof Resistance Value.The thrust signal that first pressure sensor 17 collects is transferred to computing machine and carries out processing and test results (generating trial curve and test documentation) needed for exporting.Exerted a force by wind-force simulated solution cylinder pressure 10 and slowly increased thrust gradually, the horizontal thrust that wind-force simulation oil cylinder 10 applies is passed to test chassis by horizontal push 15, until stop increasing thrust when test chassis produces rotation or slide displacement on the rail 5.
When above-mentioned test chassis produces on the rail 5 and rotates or slide, also rolls on guided in translation support 19 at the exert pressure roller 31 of stand 8 hinged place of bogie frame 7 and Slidable, the layout of roller 31 ensures that bogie frame 7 skew does not occur when moving and turns on one's side.When above-mentioned test chassis produces on the rail 5 and rotates or slide simultaneously, coaster 13 is also servo-actuated in the bottom of crossbeam 11 by double bracket roller 14, ensures the synchronized operation with test chassis thus.
About top rail machine:
As shown in Figure 5, test chassis, Slidable are exerted pressure stand 8, wheel load simulation oil cylinder 9, coaster 13, double bracket roller 14 integral structure move on the right side of track, by being moved by the integral structure of test chassis, wheel load simulation oil cylinder 9, coaster 13, double bracket roller 14, thus the installation test of working space for tested top rail machine 26 can be saved out.To be connected with top rail machine mounting interface 30 by top rail machine connecting device 25 by formula top rail machine 26, the height of adjustment wind-force simulation oil cylinder 10, as prescribed condition by the friction shoe top of tested top rail machine 26 to rail level, simulate oil cylinder 10 by wind-force and apply horizontal thrust by thrust shaft coupling 29 to track 5, now track 5 with produce the friction drag contrary with this horizontal thrust between friction shoe, this friction drag is anti-air draught, and the second pressure sensor 27 gathers this thrust magnitude and is windproof Resistance Value.The thrust signal that second pressure sensor 27 collects is transferred to computing machine and carries out processing and export required test results (generating trial curve and test documentation).The horizontal thrust that wind-force simulation oil cylinder 10 applies runs through thrust coupling base 28 by thrust shaft coupling 29 and transmits to track 5, until stop increasing thrust when track 5 produces slide displacement.
As shown in the above, the present invention can in the hoisting crane running wheel wheel load of laboratory simulation outside work and wind load action, utilize same detecting device can complete multiple hoisting crane wind prevention braking product (wheel drg, rail clamping device, top rail machine) technical performance test, easy and simple to handle, data are reliable, save man power and material.
More than describing is explanation of the invention, and be not the restriction to invention, limited range of the present invention is see claim, and when without prejudice to basic structure of the present invention, the present invention can do any type of amendment.
Claims (4)
1. a composite type hoisting crane wind prevention braking product testing room detecting device, it is characterized in that: comprise pedestal (1), roller-way (3) is fixed on described pedestal (1), roller-way slide plate (4) is arranged on described roller-way (3) movably, and track (5) is fixedly connected with described roller-way slide plate (4) by pressing plate; Bogie frame (7) and wheel group (6) composition test chassis are arranged on described track (5), Slidable exert pressure the bottom of stand (8) and described bogie frame (7) hinged, a pair wheel load simulation oil cylinder (9) is fixed at the exert pressure top of stand (8) of described Slidable, the top of described wheel load simulation oil cylinder (9) abuts coaster (13), and described coaster (13) is by the top lower surface sliding block joint of two groups of double bracket rollers (14) with test bed framework (2).
2. a kind of composite type hoisting crane wind prevention braking product testing room as claimed in claim 1 detecting device, it is characterized in that: described pedestal (1) is fixed on ground level by holding-down bolt and pressing plate, described roller-way (3) forms by organizing single mount roller more, each group of single mount roller is all equidistantly fixed on pedestal (1), and described track (5) is made up of the replaceable track of multistage.
3. a kind of composite type hoisting crane wind prevention braking product testing room as claimed in claim 1 detecting device, it is characterized in that: also comprise the oil cylinder seat (20) being fixed on pedestal (1) side, described oil cylinder seat (20) is upper installs wind-force simulation oil cylinder (10); In the opposite side also sensor installation mount pad (16) of described pedestal (1), at upper installation first pressure sensor (17) of described sensor installation seat (16).
4. a kind of composite type hoisting crane wind prevention braking product testing room as claimed in claim 1 detecting device, it is characterized in that: arrange for connecting tested wheel drg mounting interface (21) of taking turns drg (22) in one end of described bogie frame (7), in the rail clamping device mounting interface (23) of other end setting for connecting tested rail clamping device (24) of described bogie frame (7), the top rail machine mounting interface (30) for connecting tested top rail machine (26) is also set in the below of described crossbeam (11); When carrying out the wind-proof performance test taking turns drg or rail clamping device, the piston rod of described wind-force simulation oil cylinder (10) is connected with the bottom of bogie frame (7) by the horizontal push (15) with two bifurcateds; When carrying out the wind-proof performance test of top rail machine, the second pressure sensor (27) is connected by Connection Block in one end of described track (5), described wind-force simulation oil cylinder (10) is spirally connected with one end of thrust shaft coupling (29), the other end of described thrust shaft coupling (29) runs through thrust coupling base (28), and described thrust coupling base (28) is fixed on pedestal (1).
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| CN201510758208.4A CN105236271B (en) | 2015-11-09 | 2015-11-09 | Comprehensive laboratory examination device for anti-wind brake product of crane |
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| CN201510758208.4A CN105236271B (en) | 2015-11-09 | 2015-11-09 | Comprehensive laboratory examination device for anti-wind brake product of crane |
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| CN105236271B CN105236271B (en) | 2017-03-22 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226107A (en) * | 2016-08-30 | 2016-12-14 | 武汉开锐海洋起重技术有限公司 | Crane Radix Saposhnikoviae anti-slide performance testing inspection platform |
| CN109052175A (en) * | 2018-08-30 | 2018-12-21 | 上海振华重工(集团)股份有限公司 | Crane Windproof system condition detection method and detection device |
| CN109406187A (en) * | 2018-12-12 | 2019-03-01 | 江苏省特种设备安全监督检验研究院 | The many-body dynamics simulator and method of crane wind resistance non-skid property |
| CN109941887A (en) * | 2019-04-24 | 2019-06-28 | 福建省特种设备检验研究院 | A kind of crane early warning system and its application method based on wheel load detection |
| CN111470428A (en) * | 2020-05-08 | 2020-07-31 | 广东省特种设备检测研究院顺德检测院 | Verification device for crane monitoring system |
| CN111562098A (en) * | 2020-05-19 | 2020-08-21 | 江苏省特种设备安全监督检验研究院 | Wheel-side brake simulation test bench and test method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226107A (en) * | 2016-08-30 | 2016-12-14 | 武汉开锐海洋起重技术有限公司 | Crane Radix Saposhnikoviae anti-slide performance testing inspection platform |
| CN109052175A (en) * | 2018-08-30 | 2018-12-21 | 上海振华重工(集团)股份有限公司 | Crane Windproof system condition detection method and detection device |
| CN109406187A (en) * | 2018-12-12 | 2019-03-01 | 江苏省特种设备安全监督检验研究院 | The many-body dynamics simulator and method of crane wind resistance non-skid property |
| CN109941887A (en) * | 2019-04-24 | 2019-06-28 | 福建省特种设备检验研究院 | A kind of crane early warning system and its application method based on wheel load detection |
| CN109941887B (en) * | 2019-04-24 | 2024-02-09 | 福建省特种设备检验研究院 | Crane early warning system based on wheel pressure detection and application method thereof |
| CN111470428A (en) * | 2020-05-08 | 2020-07-31 | 广东省特种设备检测研究院顺德检测院 | Verification device for crane monitoring system |
| CN111470428B (en) * | 2020-05-08 | 2021-08-24 | 广东省特种设备检测研究院顺德检测院 | Verification device for crane monitoring system |
| CN111562098A (en) * | 2020-05-19 | 2020-08-21 | 江苏省特种设备安全监督检验研究院 | Wheel-side brake simulation test bench and test method thereof |
| CN111562098B (en) * | 2020-05-19 | 2021-10-22 | 江苏省特种设备安全监督检验研究院 | Wheel-side brake simulation test bench and test method thereof |
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