Background technology
The high-speed magnetic floating traffic technique has formed series of patents application: CN200580001016.3, CN200580001019.7, CN200580001037.5, CN200580001057.2, CN200580001058.7, CN200580001218.8, CN200720182647.6 etc. in China, along with these technical information are open gradually, not secret to knowing of such technology.
In high-speed magnetic suspension traffic system, need a kind of engineering truck: rail polling car, as the line track inspection before the passenger train operation.The project of checking have the gauge of vehicle operating whether to have whether to have on intrusion, the track long stator face of foreign matter (particularly ferromagnetic metal), traction linear electric motors whether normally whether to have winding cable to come off, test the speed whether locating sign board whether to be installed in the power rail of installing on normal position, the track along the line also first-class in normal installation site, its objective is for prevent high-speed maglev train take place when the high-speed cruising with track equipment by collision situation.For this reason, the magnetic-suspension type track inspection car of newly designing and developing also need be determined more function on linear electric machine traction and the two traction mode engineering truck bases of motor support wheel traction, and one of them is for being provided with the lifting maintenance platform.According to Fig. 1 of US6782832PCT/EP01/10099 patent disclosure as can be known, the orbit altitude of high-speed magnetic floating system surpasses 2.0m, safeguard that by inspection car maintenance platform to track the space adds that the height of standing of operating personal is determined, requires the adjustable height of such lifting maintenance platform to surpass 3.0m.In addition, for the co-operate of can two people standing, add the top long stator and change parts, this lifting maintenance platform also need possess the load capacity above 500kg.As the jacking system of height like this, hydraulic efficiency pressure system can't satisfy the stroke requirement.Also can't guarantee its load-carrying capacity and stability as patent application CN200710176158.4 and the described four connecting rod lifting mechanisms of CN200310105541.2, and the requirement that reduces of installing space, because the operation of rail polling car highly is on the elevated-beam of nearly 16m, so require this lifting maintenance platform to possess good stability, also safety barrier need be set.In addition, the operation gauge condition of magnetic-suspension type track inspection car is identical with passenger train, must satisfy the requirement of another passenger train with 500km/h speed meeting, so the operational space of this lifting maintenance platform is restricted.
Deadweight restriction for the lifting maintenance platform of magnetic-suspension type track inspection car is also very harsh, because the balanced intensity of the suspending power of maglev vehicle and load all is restricted, this is the reason that other associated elevator device techniques can't directly use on this inspection car, so must innovation.
The technical barrier that need solve when innovation is as follows:
1. how to realize that adjustable height surpasses the structure design of the lifting maintenance platform of 3.0m;
2. on 1 basis, how to limit the deadweight of lifting maintenance platform;
3. on 1 and 2 basis, how to improve the load-carrying ability of lifting maintenance platform, make it satisfy the loadintensity requirement of 500kg;
4. the minimum that how to limit the lifting maintenance platform takes up room;
5. on the basis of the problems referred to above 1~4, how to realize the stability and the safety of lifting maintenance platform.
Summary of the invention
A kind of lifting maintenance operating platform that is configured on the magnetic-suspension type track inspection car provided by the invention, realized that adjustable height surpasses the structure design of the lifting maintenance platform of 3.0m, limited the deadweight of lifting maintenance platform, improved the load-carrying ability of lifting maintenance platform, the minimum that has limited the lifting maintenance platform takes up room, and has realized the stability and the safety of lifting maintenance platform.
In order to achieve the above object, the invention provides a kind of lifting maintenance operating platform that is configured on the magnetic-suspension type track inspection car, it is arranged on the cabin floor of magnetic-suspension type track inspection car, be positioned near the service platform of headstock, be installed in the top of anticollision device, this lifting maintenance operating platform comprises:
Utilize stretching structure and pulley structure to carry out the bonded assembly bracing frame and pocket is hung in lifting;
Described bracing frame comprises:
The bracing frame main body; The portal frame that also has diagonal ligament on this bracing frame main body;
Be arranged on the lifting and fixing device of support frame as described above main body rear side, this lifting and fixing device comprises upper fixed seat that is arranged on bracing frame main body top and the lower fixed seat that is arranged on the bracing frame lower body part;
Be arranged on the pulley gear in the support frame as described above main body outside, this pulley gear comprises pulley that is arranged on bracing frame main body top and the motor that is arranged on the bracing frame lower body part; Described pulley utilizes top sheave bearing and top sheave bearing to fix; Described motor is installed on the reducing motor mounting hole of bracing frame bottom;
Be arranged on the guide rail mechanism of support frame as described above bottom part body, this guide rail mechanism comprises the guide rail base plate that is arranged on the cabin floor, be arranged on the guide rail on the described guide rail base plate and be arranged on bearing on the described guide rail;
Be arranged on the steel rope reel on the described motor;
Described bracing frame also comprises:
Be arranged on the protective door on the support frame as described above bottom part body;
Be arranged on the timber apron on the support frame as described above bottom part body, this timber apron comprises some vertical lamellaes arranged in a crossed manner and transverse slats;
Described lifting is hung stomacher and is contained:
Hang the plate of revealing all the details, it is provided with B-pillar;
Be arranged on the described telescoping mechanism that hangs on the plate of revealing all the details, this telescoping mechanism comprises sheathed several expansion bar, and the described expansion link that is arranged on the bottom is provided with the overturning pedal permanent seat, is provided with fixedly slide block in the junction of described expansion link;
Be arranged on the described fixation with steel wire device that hangs on the plate of revealing all the details, this fixation with steel wire device comprises and is fixed on the permanent seat that hangs on the plate of revealing all the details and by bearing pin and permanent seat bonded assembly steel rope set collar;
Be installed in the overturning pedal on B-pillar and the overturning pedal permanent seat, this overturning pedal comprises the pedal aggregate, connects the pedal middle part turning cylinder of front and back two parts pedal aggregate, the pedal anchor shaft that is arranged on pedal aggregate both sides, the limit portion fixed orifice that is arranged on pedal one side and middle part fixed orifice, the front panel that is arranged on the aggregate surface and front panel;
Described lifting is hung pocket and is also comprised to be arranged on to hang and hang the pocket guard rail on the plate of revealing all the details;
The telescoping mechanism that pocket is hung in lifting is set in the lifting and fixing device of bracing frame, in the bracing frame bottom motor is installed, the steel rope reel is installed on this motor, by the pulley that install on bracing frame top steel rope and steel rope set collar are fixed, utilize then bearing pin with the steel rope set collar be fixed on the permanent seat that hangs on the plate of revealing all the details and fix, under the synchronous rotation control of motor, steel rope reel meeting folding and unfolding steel rope, thus realize the steady lifting that pocket is hung in lifting.
The present invention has realized that adjustable height surpasses the structure design of the lifting maintenance platform of 3.0m, limited the deadweight of lifting maintenance platform, improved the load-carrying ability of lifting maintenance platform, the minimum that has limited the lifting maintenance platform takes up room, and has realized the stability and the safety of lifting maintenance platform.
The specific embodiment
Followingly specify better embodiment of the present invention according to Fig. 1~Fig. 7:
As shown in Figure 1, the compartment part of whole magnetic-suspension type track inspection car comprises: headstock 1a, vehicle top air conditioner 1c, cabin side car door 1d, service platform 1e, cabin floor 6, hitch 6a, the anticollision device 6b etc. of carriage body construction 1, band button fly front;
The invention provides a kind of lifting maintenance operating platform 3 that is configured on the magnetic-suspension type track inspection car, it is arranged on the cabin floor 6 of magnetic-suspension type track inspection car, be positioned near the service platform 1e of headstock 1a, be installed in the top of anticollision device 6b, each magnetic-suspension type track inspection car has disposed four lifting maintenance operating platforms 3, the time spent does not reclaim in the edge of cabin floor 6 into, releases the edge of cabin floor 6 during use.Because taking the space of the service platform 1e the headstock 1a near can be very not big, also be limited in the suspending power of headstock part, so the installing space of this lifting maintenance operating platform 3 is restricted, and deadweight also is restricted.
As shown in Figures 2 and 3, this lifting maintenance operating platform 3 comprises: utilize stretching structure and pulley structure to carry out bonded assembly bracing frame 3b and pocket 3a is hung in lifting;
As shown in Figure 4, described bracing frame 3b comprises:
The bracing frame main body; The portal frame 3b2 that also has diagonal ligament on this bracing frame main body;
Be arranged on the lifting and fixing device of support frame as described above main body rear side, this lifting and fixing device comprises upper fixed seat 3b1 that is arranged on bracing frame main body top and the lower fixed seat 3b11 that is arranged on the bracing frame lower body part;
Be arranged on the pulley gear in the support frame as described above main body outside, this pulley gear comprises pulley 3b8 that is arranged on bracing frame main body top and the motor 3b7 that is arranged on the bracing frame lower body part; Described pulley utilizes top sheave bearing 3b81 and top sheave bearing 3b82 to fix; Described motor 3b7 is installed on the reducing motor mounting hole 3b71 of bracing frame 3b bottom;
Be arranged on the guide rail mechanism of support frame as described above bottom part body, this guide rail mechanism comprises the guide rail base plate 3b4 that is arranged on the cabin floor 6, be arranged on the guide rail 3b5 on the described guide rail base plate 3b4 and be arranged on bearing 3b6 on the described guide rail 3b5;
Be arranged on the steel rope reel 3b9 on the described motor 3b7;
Described bracing frame 3b also comprises:
Be arranged on the protective door 3b10 on the support frame as described above bottom part body;
Be arranged on the timber apron 3b3 on the support frame as described above bottom part body, this timber apron 3b3 comprises some vertical lamellae 3b31 arranged in a crossed manner and transverse slats 3b32, (as shown in Figure 5);
As shown in Figure 6, described lifting is hung pocket 3a and is comprised:
Hang the plate 3a15 that reveals all the details, it is provided with B-pillar 3a13;
Be arranged on the described telescoping mechanism that hangs on the plate 3a15 that reveals all the details, this telescoping mechanism comprises sheathed top expansion link 3a1, middle part expansion link 3a11 and bottom expansion link 3a12, described bottom expansion link is provided with overturning pedal permanent seat 3a18, is provided with fixedly slide block 3a1a, 3a11a, 3a11b and 3a12a in the junction of described expansion link;
Be arranged on the described fixation with steel wire device that hangs on the plate 3a15 that reveals all the details, this fixation with steel wire device comprises and is fixed on the permanent seat 3a16 that hangs on the plate 3a15 that reveals all the details and by bearing pin and permanent seat 3a16 bonded assembly steel rope set collar 3a17;
Be installed in the overturning pedal 3a14 on B-pillar 3a13 and the overturning pedal permanent seat 3a18, (as shown in Figure 7 and Figure 8), this overturning pedal 3a14 comprises pedal middle part turning cylinder 3a14g, the pedal anchor shaft 3a14f that is arranged on pedal aggregate 3a14a both sides, the fixed orifice 3a14d of limit portion that is arranged on pedal one side and middle part fixed orifice 3a14e, the front panel 3a14b that is arranged on the aggregate surface and the front panel 3a14c of pedal aggregate 3a14a, connection front and back two parts pedal aggregate;
Described lifting is hung pocket 3a and is also comprised to be arranged on to hang and hang pocket guard rail 3a2 on the plate 3a15 that reveals all the details;
As shown in Figure 2, the stretching structure that the middle connecting bridge of pocket 3a has adopted aluminum alloy extrusion section bar is hung in bracing frame 3b and lifting.Protective door 3b10 is installed on bracing frame, prevents the barrier of personal safety accident when hanging pocket 3a as the use lifting.
As shown in Figure 3, bracing frame 3b is the welded structure of an aluminum alloy extrusion section bar, has the portal frame 3b2 of diagonal ligament, and this bracing frame 3b has structurally guaranteed intensity, rigidity, and the stable elevation of lifting being hung pocket 3a has played decisive role.Owing to be the aluminum alloy welded structure, the support after welding should be removed welding stress accordingly and handle.All can finish the welded structure of this bracing frame 3b no matter adopt the aluminum alloy extrusion section bar of which kind of geometric cross section, so, adopt the structure of the bracing frame 3b of the lifting maintenance platform 3 that the made similar the present invention of the aluminum alloy extrusion section bar of any geometric cross section describes to be tangible technical characterictic, constitute basic fundamental problem of the present invention and all can play a key effect for solving.
Having laid timber apron 3b3 on this bracing frame 3b, is to be intersected with transverse slats 3b32 by vertical lamellae 3b31 to follow closely, for the safety of operating personal is stood, the anti-skidding condition that provides.As adopt other modes to lay the anti-skidding base plate of safety, as: embossing aluminium sheet, embossed steel plates, skew intersection batten base plate etc., also can reach the technique effect of lifting maintenance platform described in the invention, the technique effect of the present invention that any other measure of not describing can realize should be other technologies feature of the present invention.
Because the constraint of the operation gauge of magnetic-suspension type track inspection car in order to realize the side travel of whole lifting maintenance platform 3, is equipped with bearing 3b6 in the bottom of bracing frame 3b, the guide rail 3b5 of bearing is directly installed on the edge of cabin floor 6 by guide rail base plate 3b4.So just, make lifting maintenance platform 3 can release the edge of cabin floor 6 in use, finish the edge of regaining cabin floor 6 behind the maintenance task, can not produce gauge and invade problem.The technical measures of any other mode as antifriction-bearing box, dull and stereotyped plain bearing, liquid level sliding friction pair etc., also can reach the technique effect of the lifting maintenance platform side travel that the present invention describes, and should be other implementing measures of the present invention.
On the reducing motor mounting hole 3b71 of bracing frame 3b bottom, two reducing motor 3b7 are installed, steel rope reel 3b9 is installed on it, the pulley 3b8 (pulley relies on top sheave bearing 3b81 and top sheave bearing 3b82 to fix) that installs by bracing frame 3b top fixes steel rope and steel rope set collar 3a17, see Fig. 5 partial enlarged drawing, utilize then bearing pin with steel rope set collar 3a17 be fixed on the permanent seat 3a16 that hangs on the plate 3a15 that reveals all the details and fix.Under the synchronous rotation control of reducing motor 3b7, steel rope reel 3b9 meeting folding and unfolding steel rope, thus realize the steady lifting that pocket 3a is hung in lifting.Adopting implementing measure like this is the best-of-breed technology effect of lifting maintenance platform described in the invention, other measures, as: hydraulic actuating cylinder, mechanical drive shaft rib-loop transmission shaft, connecting rod mechanism etc. all can't reach and reduce installing space, satisfy adjustable height, alleviate the technique effect of deadweight.
Be separately installed with upper fixed seat 3b1 and lower fixed seat 3b11 in the upper and lower of bracing frame 3b,, telescoping mechanism be set in the permanent seat as the benchmark of telescoping mechanism.As shown in Figure 5, utilize extruding aluminium alloy sectional 3a1, the 3a11 of different geometric cross sections size, the sleeve structure of 3a12, the geometric cross section of section bar can be the U type, also can be I shape or other geometry, on tolerance clearance, reserve the installing space of medial and lateral slide block 3a1a, 3a11a, 3a11b, 3a12a, utilize screw fixation method that these slide blocks are fixed on the end of stretching section bar 3a1,3a11,3a12, form the telescoping mechanism of the lifting maintenance platform 3 desired adjustable heights that satisfy the present invention's description.Fixedly slide block 3a1a, 3a11a, 3a11b, 3a12a are the effects of playing end stop and wear-resisting loose liner for these, make this flexible section bar mechanism possess flexibly, cooperate suitable Telescopic, this constitutes basic fundamental problem of the present invention and plays an important role solving.Fixedly the material of slide block generally is a polytetrafluoroethylmaterial material, select other materials, as: copper based powder metallurgy material, stupalith, rubber-plastics material, timber etc. all can be realized the described technique effect of patent of the present invention, can be used as the other technologies feature that this patent does not add detailed description.
Welded to hang the plate 3a15 welding of revealing all the details fixing with the end of the lower profile 3a12 of flexible section bar mechanism and aluminium alloy extrusions, and this hang the plate 3a15 that reveals all the details around the welding pocket guard rail 3a2 that hangs oneself, constitute and operate the safety prevention measure that hangs pocket 3a15.Utilize with B-pillar 3a13 that hangs the plate 3a15 welding of revealing all the details and the flexible aluminium alloy extrusions 3a12 in bottom on overturning pedal permanent seat 3a18, be provided with overturning pedal 3a14 hanging the side of pocket 3a towards track girder.When the magnetic levitation track plant maintenance, can open this pedal 3a14, make operating personal more convenient near track equipment.
As shown in Figure 6 and Figure 7, in order to alleviate the deadweight of descending operation flat-bed, overturning pedal 3a14 has adopted the aluminum alloy welded structure.Utilize the aluminium alloy extrusions welding to constitute pedal aggregate 3a14a, fixed orifice 3a14d of pedal limit portion and pedal middle part fixed orifice 3a14e is set respectively in the installation site of this pedal, and utilize pedal anchor shaft 3a14f aluminium-alloy pipe to wear pin, then at aggregate 3a14a surface soldered upper footboard front panel 3a14c.A pedal middle part turning cylinder 3a14g is set in addition at the middle part of aggregate 3a14a, front and back two parts aggregate is linked together, then aggregate surface soldered upper footboard front panel 3a14b forwardly.This overturning pedal 3a14 can bear the weight load of two operating personals and part track equipment.
The present invention has the following advantages:
1, hangs pocket formula structure 3a liftable and reach more than the 3.0m, allow load-carrying to surpass 500kg;
2, adopt the aluminum alloy extrusion section bar welding to form the support frame structure 3b of lifting maintenance platform 3, reach expendable weight, stablize, satisfy the technique effect that loadintensity requires;
3, adopt aluminum alloy extrusion section bar as telescoping mechanism, form three joint or multi-joint telescoping structures, reach the technique effect that the stable elevation of lifting table was slided, guaranteed to location and guiding;
4, be welded with operation in the bottom of telescoping mechanism aluminum alloy extrusion section bar and hang pocket 3a, this hangs pocket is the aluminum alloy welded structure, satisfy the carrying condition of maximum two operating personals and part magnetic levitation track maintenance equipment weight, promptly satisfied the technical requirements of carrying 500kg;
5, the lifting lifting of hanging pocket 3a has adopted reducing motor 3b7 to add steel rope reel 3b9, by pulley 3b8 steel rope being fixed on operation hangs on the plate 3a15 that reveals all the details, a reducing motor 3b7 respectively is set in both sides, during rotation, synchro control steel rope reel 3b9 folding and unfolding steel rope is realized the steady lifting that descending operation hangs pocket;
6, bearing 3b6 and guide rail 3b5 have been installed in the bottom of bracing frame 3b, guide rail 3b5 is fixed on the cabin floor 6 by guide rail base plate 3b4, thereby realized the horizontal slip of whole lifting maintenance platform 3, under the work operating mode, release cabin floor 6 edges, finish and safeguard withdrawal cabin floor edge, back, do not influence the normal operation gauge of magnetic-suspension type track inspection car;
7, on the aluminum alloy welded structure, laid wooden pillar base plate 3b3, this base plate by laterally and vertical lamellae 3b31,3b32 form, realized that operator safety stands skidproof technique effect;
8, safety protective door 3b10 is installed on bracing frame 3b, has realized the safety precaution when maintenance is hung pocket and fallen under the 3a operation;
9, adopted the aluminum alloy extrusion section bar in the cross section of U type aluminum alloy extrusion section bar or I shape, other geometry, actual adjustable height by lifting table 3a is divided equally segmentation, cooperatively interact by the cross section geometry of aluminum alloy extrusion section bar and suitably to reduce the segmentation sectional dimension, and the appropriate location is equipped with fixedly slide block of abrasion resistant inside and outside the end, has realized the closely cooperating of telescopic process, end stop and the abrasion resistant technique effect of flexible section bar thus;
10, be equipped with at the edge that hangs the plate 3a15 that reveals all the details and hang pocket guard rail 3a2, realized the safe in operation condition;
11, on the direction of magnetic levitation track girder, be provided with overturning pedal 3a14, when attended operation, overturning pedal 3a14 turned over and ride over track girder to track girder one side and go up in one's ear, playing key role for safe in operation.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited to the appended claims.