The dynamometry wheel is to the static demarcating testing table
Technical field
The utility model relates to a kind of testing equipment that is used for rolling stock dynamometry wheel to static demarcating, particularly takes turns the static demarcating testing table relevant for a kind of dynamometry, and it is mainly used in the dynamometry wheel measurement of bearing vertical force and its output relation is determined.
Background technology
The dynamometry wheel is to be used for the testing equipment of rolling stock dynamometry wheel to static demarcating to the static demarcating testing table, and it is used to measure interactional vertical force and transverse force between the wheel track.And the ratio of transverse force and the vertical force derailing coefficient that to be exactly us be commonly called as, it is one of important evidence index of rolling stock security performance evaluation.
At present, the dynamometry wheel of being correlated with comprises carrying base and hydraulic system to the static demarcating testing equipment, and the dynamometry wheel is to being arranged on the carrying base, and hydraulic system is taken turns loading dynamometry by lever principle, cause the transmission error of power easily, thereby influence the accuracy of dynamometry wheel calibration result.
In addition, because dynamometry is taken turns the model difference, its bearing size differs, relevant dynamometry wheel is in the static demarcating testing equipment, and each is taken turns the supporting a kind of frock of needs, and it is right so to need multiple frock to adapt to dissimilar dynamometry wheels respectively, make cost higher, and use inconvenience.
Therefore, be necessary to provide a kind of novel dynamometry wheel to the static demarcating testing table, to overcome above-mentioned defective.
The utility model content
The purpose of this utility model is, provides a kind of dynamometry wheel to the static demarcating testing table, and it is that applicable various dissimilar dynamometry wheel is right by a pair of dynamometry wheel to locating device, has adaptability widely.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
A kind of dynamometry wheel is to the static demarcating testing table, and it comprises: the carrying base; A pair of dynamometry wheel is to locating device, and it is arranged on the left and right sides of carrying base top, and each dynamometry wheel to locating device respectively adjustable ground be connected on the right axle head of described dynamometry wheel; A pair of vertical force is demarcated bogey, and it is arranged on the top of carrying base, and lays respectively at the inboard of dynamometry wheel to locating device, and each vertical force is demarcated bogey and is connected the right bottom of described dynamometry wheel respectively movably, and all has force cell; Can be to the dynamometry wheel to adding the charger of off-load.
In preferred embodiment, each described dynamometry wheel comprises gantry loading frame to locating device, described gantry loading frame comprises the column of two interlocks, each column has upper pillar stand and the lower pillar stand that connects up and down, have fixed pin and the removable pin of extracting that is positioned at the fixed pin below between the described upper and lower column, under the state of extracting of removable pin, described upper pillar stand can outwards rotate around fixed pin; Be provided with the rotary stopper stop part of restriction upper pillar stand rotational angle in the inboard of one of them lower pillar stand of each gantry loading frame.
In preferred embodiment, each described dynamometry wheel also comprises locating device: a pair of axial location thrustor, and each axial location thrustor is connected on the described carrying base, and is resisted against the right spindle nose end face of described dynamometry wheel movably respectively; At least one pair of longitudinal screw thrustor, every pair of longitudinal screw thrustor is threaded in respectively on two columns of described gantry loading frame, and can distinguish contact on the right axle head of described dynamometry wheel with moving horizontally.
In preferred embodiment, each described axial location thrustor comprises axial location post and axial push rod, the lower end of axial location post is connected on the described carrying base, axially push rod is threaded in the stage casing of axial location post movably, and axially the medial extremity correspondence of push rod the right spindle nose end face of described dynamometry wheel; Each described longitudinal screw thrustor comprises a pair of vertical push rod, it can be threaded in respectively on two described columns of same described gantry loading frame with moving horizontally, and the medial extremity correspondence of each vertical push rod on the axle journal position of the right axle head of described dynamometry wheel.
In preferred embodiment, described axial location post inside has movable block moving up and down, and described axial push rod can be threaded on the movable block with moving horizontally; The medial extremity of each described axial push rod is provided with horizontal top, and laterally the corresponding dynamometry of end face one side of top is taken turns right spindle nose end face, and the medial extremity of each described vertical push rod is provided with vertical top.
In preferred embodiment, each described gantry loading frame also comprises loading beam, and it is connected two upper ends between the described column; Above-mentioned charger comprises the lifting lifting jack, loads lifting jack and hydraulic system, and described lifting lifting jack and loading lifting jack all can be distinguished the lifting setting by hydraulic system; Described lifting lifting jack is arranged on the described carrying base and is positioned at the centre position of two columns, and described loading lifting jack is arranged on the loading beam and corresponding to the position of lifting lifting jack; The axle journal position of the two axial ends that described dynamometry wheel is right lays respectively at the lifting lifting jack and loads between the lifting jack.
In preferred embodiment, the outside at the axle journal position of each axle head that described dynamometry wheel is right is all connecting bearing or axle box, described loading lifting jack, lifting lifting jack and two described vertical tops corresponding respectively each described bearing or axle box.
In preferred embodiment, each described vertical force is demarcated bogey and is comprised vertical force carrying slide unit, described vertical force carrying slide unit can be arranged on the described carrying base with moving horizontally, described vertical force carrying slide unit is provided with described force cell, and the upper end of described force cell is connected with removable sensor carrier head.
In preferred embodiment, each described vertical force is demarcated bogey and is also comprised vertical force carrying carriage saddle, vertical force carrying carriage saddle is connected on the described carrying base, described vertical force carrying slide unit is connected on the vertical force carrying carriage saddle movably by traversing adjustment part, and the right position of the corresponding described dynamometry wheel of described vertical force carrying carriage saddle is provided with traversing amount scale; The position of the corresponding described force cell in below of described vertical force carrying slide unit is provided with pointer, and described pointer points to traversing amount scale accordingly.
In preferred embodiment, the inboard of each described vertical force carrying slide unit and one of them side in the outside are provided with rotating angle orientation pointer, and it is taken turns right inner side end with described dynamometry and contacts; The right wheel rim inboard of described dynamometry wheel is provided with many demarcation angle line radially.
Characteristics of the present utility model and advantage are:
1, its dynamometry wheel is to being located immediately on the force cell, be that the wheel vertical force directly acts on the force cell, eliminate old calibration facility and adopt lever principle to load the transmission error of the power that causes, improve the accuracy of dynamometry wheel to greatest extent calibration result.
2, adopt rotatable portal frame structure, no matter be vehicle dynamometry wheel to or locomotive dynamometry wheel right, no matter be that translator dynamometry wheel is right, still translator dynamometry wheel is not right, can demarcate operation easily on this calibrating table, has adaptability widely.
3, it is promptly right applicable to all dissimilar dynamometry wheels to locating device with a cover dynamometry wheel, thus thoroughly change since wheel to the model difference, bearing size differs; Or axle box vary, of all kinds, and need Design and Machining at the special-purpose positioning tool of each dynamometry wheel to axle journal position state.
4, it can be realized that by traversing adjustment part the wheel track contacting points position is adjustable arbitrarily and be maintained, to obtain causing the complete of measurement result change and accurate nominal data owing to contact point between wheel track changes.
5, it adopts the portable electric hydraulic loading system as power source, and hydraulic system can be simultaneously adds off-load and the dynamometry wheel is carried out independent control to vertical hoisting with landing etc. vertical the dynamometry wheel, is independent of each other.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
To be dynamometry of the present utility model wheel look synoptic diagram (show dynamometry wheel to) to the master of static demarcating testing table to Fig. 1;
Figure 1A is a dynamometry of the present utility model wheel to the schematic side view of static demarcating testing table (show dynamometry wheel to);
To be dynamometry of the present utility model wheel look synoptic diagram (do not show dynamometry wheel to) to the master of static demarcating testing table to Fig. 2;
Fig. 2 A is a dynamometry of the present utility model wheel to the schematic side view of static demarcating testing table (do not show dynamometry wheel to);
Fig. 2 B is a dynamometry of the present utility model wheel to the schematic top plan view of static demarcating testing table (do not show dynamometry wheel to);
Fig. 3 is that the master of axial location thrustor of the present utility model looks diagrammatic cross-section;
Fig. 3 A is the schematic top plan view of axial location thrustor of the present utility model;
Fig. 4 is that gantry of the present utility model loading frame is looked synoptic diagram the master of rotation status;
Fig. 5 is that the master of vertical force demarcation bogey of the present utility model looks synoptic diagram (carrier head and dynamometry are taken turns right contact point in the rolling circle position);
Fig. 5 A is the schematic side view (carrier head and dynamometry are taken turns right contact point in the rolling circle position) that vertical force of the present utility model is demarcated bogey;
Fig. 5 B is the schematic top plan view (carrier head and dynamometry are taken turns right contact point in the rolling circle position) that vertical force of the present utility model is demarcated bogey;
Fig. 6 is that the master of vertical force demarcation bogey of the present utility model looks synoptic diagram (position that the right contact point of carrier head and dynamometry wheel outwards moves);
Fig. 7 is that the master of vertical force demarcation bogey of the present utility model looks synoptic diagram (carrier head and dynamometry are taken turns the position that moves to wheel rim in the right contact point);
Fig. 8 is the schematic side view (showing the wheel rim carrier head) that vertical force of the present utility model is demarcated the bogey assembled state;
Fig. 8 A is that vertical force of the present utility model is demarcated the schematic side view (show wheel rim carrier head) of bogey half point from state;
Fig. 9 is that the master of tread carrier head of the present utility model looks synoptic diagram;
Fig. 9 A is the schematic side view of tread carrier head of the present utility model;
Figure 10 is that the master of wheel rim carrier head of the present utility model looks synoptic diagram;
Figure 10 A is the schematic side view of wheel rim carrier head of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Shown in Figure 10 A, the dynamometry wheel that the utility model proposes comprises carrying base 1 to the static demarcating testing table, and a pair of dynamometry wheel is to locating device 2 (" a pair of " is meant two of mutual correspondence), and a pair of vertical force is demarcated bogey 3 and charger 4.A pair of dynamometry wheel is arranged on the left and right sides of carrying base 1 top to locating device 2, and each dynamometry wheel to locating device 2 respectively adjustable ground be connected described dynamometry wheel on 5 the axle head, to adapt to various different model dynamometry wheels to 5 pack into and take out.A pair of vertical force is demarcated the top that bogey 3 is arranged on carrying base 1, and lay respectively at dynamometry wheel inboard to locating device 2, each vertical force is demarcated bogey 3 and is connected the dynamometry wheel respectively movably to 5 bottom, and each vertical force is demarcated bogey 3 and all had force cell 31.Charger 4 correspondences the dynamometry wheel to 5, and the dynamometry wheel is added the off-load setting to 5, are mainly the vertical off-load setting that adds herein.
To taking turns, at first regulate the dynamometry wheel at needs, make it be connected to the dynamometry wheel on two axle heads of 5 to locating device 2 to carrying out timing signal; Then load test by 4 pairs of dynamometry wheels of charger to 5, the dynamometry wheel is demarcated bogey 3 by its force cell 31 to the vertical force of 5 bottoms simultaneously, records the dynamometry wheel to 5 vertical force.In addition, can measure by method well known to those skilled in the art 5 transverse force, not repeat them here about the dynamometry wheel.
Among the utility model embodiment, because dynamometry is taken turns locating device 2 scalable settings, it is right to make that it can adapt to various dissimilar dynamometry wheels, thereby has improved its applicability, and saves cost, easy to use.
According to an embodiment of the present utility model, cooperate Fig. 2 B and shown in Figure 4, each dynamometry wheel comprises gantry loading frame 21 to locating device 2, gantry loading frame 21 comprises the column 211 of two interlocks, each column 211 has upper pillar stand 2111 and the lower pillar stand 2112 that connects up and down, have fixed pin 2113 between the described upper and lower column 2111,2112 and be positioned at the removable pin of extracting 2114 of fixed pin 2113 belows, certainly, removable pin 2114 also can be positioned at top, left side or the right side of fixed pin 2113; Under the state of extracting of removable pin 2114, described upper pillar stand 2111 can outwards rotate around fixed pin 2113.Certainly, those skilled in the art are to be understood that, two columns 211 for same gantry loading frame 21, the axis of the fixed pin 2113 between its upper and lower column 2111,2112 is on the same line, so after extracting removable pin 2114, upper pillar stand 2111 could rotate around fixed pin 2113, and the axis of removable pin 2114 can conllinear also conllinear not; In addition, removable pin 2114 can only be arranged on one of them of two columns 211, another column then can not be provided with removable pin 2114, so still can make, when extracting removable pin, upper pillar stand is rotated with respect to lower pillar stand, plug removable pin, upper pillar stand is fixed on the lower pillar stand, can not rotates.
When needs are packed into or taken out dynamometry wheel to 5 the time, extract removable pin 2114, only by fixed pin 2113 be connected between the upper and lower column 2111,2112 this moment, outwards promote upper pillar stand 2111, make upper pillar stand 2111 to rotate around fixed pin 2113, because two columns 211 of same gantry loading frame 21 are in the interlock state, when extracting two removable pins 2114 on the column 211, promote one of them upper pillar stand 2,111 two upper pillar stands 2111 are outwards rotated around fixed pin 2113 together.
Furthermore, be provided with rotary stopper stop part 2115 in the inboard of one of them lower pillar stand 2112 of each gantry loading frame 21, with the rotational angle of restriction upper pillar stand 2111, thus convenient the use; Herein, each lower pillar stand 2112 is equipped with rotary stopper stop part 2115.
According to an embodiment of the present utility model, each described dynamometry wheel also comprises a pair of axially (laterally) location thrustor 22 and at least one pair of longitudinal screw thrustor 23 to locating device 2.Each axial location thrustor 22 is connected on the carrying base 1, and is resisted against dynamometry wheel movably respectively to 5 spindle nose end face 51, so that the dynamometry wheel was positioned 5 axial (laterally); Every pair of longitudinal screw thrustor 23 is threaded in respectively on two columns 211 of gantry loading frame 21, and can distinguish with moving horizontally contact dynamometry wheel to 5 axle head on, with to the dynamometry wheel to 5 vertically position.
Specifically be, each axial location thrustor 22 comprises axial location post 221 and axial push rod 222, the lower end of axial location post 221 is connected on the carrying base 1, axial push rod 222 removable stage casings that are threaded in axial location post 221 (comprise and move horizontally and vertically move), axially the medial extremity correspondence of push rod 222 the dynamometry wheel to 5 spindle nose end face; More specifically be, cooperate shown in Fig. 3 and Fig. 3 A, axial location post 221 inside have movable block 2221 moving up and down, movable block 2221 moves up and down by screw rod 2222 herein, the top of screw rod 2222 is provided with limited block 2223, makes movable block 2221 to move up and down within the specific limits; Axially push rod 222 can be threaded on the movable block 2221 with moving horizontally, that is to say, by movable block 2221, makes axial push rod 222 vertically or flatly to move up and down, takes turns 5 different height and axial distances with the dynamometry that adapts to all size model.Wherein, axially the medial extremity of push rod 222 can be provided with horizontal top 2224, laterally comes directly towards 2224 end face one side correspondence and the dynamometry wheel to 5 spindle nose end face 51.
It is how right that longitudinal screw thrustor 23 can be, and for example three pairs, it lays respectively at the differing heights of column 211, with the dynamometry wheel that the adapts to different size differing heights to the axle journal position of 5 axle heads.Each longitudinal screw thrustor 23 comprises a pair of vertical push rod 231, it is threaded in respectively on two columns 211 (being former and later two columns shown in Figure 1) of same gantry loading frame 21 movably, and the medial extremity correspondence of each vertical push rod 231 dynamometry wheel to 5 axle journal position; Wherein, the medial end of each vertical push rod 231 is provided with vertical top.
Before the dynamometry wheel of packing into toward gantry loading frame 21 is to 5, make axial push rod 222 and vertically push rod 231 level back-out laterally respectively earlier, after the dynamometry wheel is put into gantry loading frame 21 to 5 two axial ends, make the dynamometry wheel to the wherein a pair of longitudinal screw thrustor 23 of 5 correspondences, dynamometry wheel two vertical push rods 231 to each axle head correspondence of 5 are moved respectively to the inside, and finally make the vertical crown on vertical push rod 231 be against the dynamometry wheel on 5 the axle journal position, the dynamometry wheel can't be moved in the vertical to 5; Then, can by movable block 2221 make axial push rod 222 move up and down to corresponding dynamometry wheel to 5 spindle nose end face 51 places, and two axial push rods 222 are moved horizontally respectively to the inside, and finally make axial (laterally) top contact at the dynamometry wheel to 5 spindle nose end face 51, dynamometry is taken turns can't move in the axial direction 5.
According to an embodiment of the present utility model, each gantry loading frame 21 also comprises loading beam 212, and it is connected two upper ends between the column 212; Above-mentioned charger 4 comprises lifting lifting jack 41 and loads lifting jack 42, described lifting lifting jack 41 and the 42 equal liftable settings of loading lifting jack, for example can carry out the lifting setting by hydraulic system, wherein can make hydraulic system control lifting lifting jack 41 and loading lifting jack 42 simultaneously respectively, thereby to dynamometry wheel to vertically hoisting and landing and the dynamometry wheel is carried out independent control to the vertical off-load etc. of adding, be independent of each other, coordination also can cooperatively interact; Described lifting lifting jack 41 places on the described carrying base 1 and is positioned at the centre position of two columns 211, and described loading lifting jack 42 is arranged on the loading beam 212 and corresponding to the position of lifting lifting jack 41.Described dynamometry wheel lays respectively between lifting lifting jack 41 and the loading lifting jack 42 the axle journal position at two ends, 5 left and right sides.
Specifically be, described dynamometry wheel is all connecting bearing or axle box 52 to the outside at the axle journal position at 5 two ends, described loading lifting jack 42, lifting lifting jack 41 and two vertically the top corresponding respectively each bearing or axle box 52.Wherein, the dynamometry of various different sizes wheel all is close to the centre distance of two axle boxes 52 of 5, the centre distance of two gantry loading frames 21 is got the mean value of various dynamometry wheel set bearings or axle box 52 centre distances, therefore, loads lifting jack 42 engagement shaft casing 52 reliably.
According to an embodiment of the present utility model, cooperate shown in Fig. 5 to Figure 10 A, each vertical force is demarcated bogey 3 and is comprised vertical force carrying slide unit 32, vertical force carrying slide unit 32 can be arranged on the described carrying base 1 with moving horizontally, and vertical force carrying slide unit 32 is provided with force cell 31; The upper end of force cell 31 is connected with removable sensor carrier head, the sensor carrier head has 33 ' two kinds of tread carrier head 33 and wheel rim carrier heads herein, be respectively applied for carrying dynamometry wheel to 5 tread 53 and wheel rim 54, Figure 9 shows that tread carrier head 33, the replacing that Figure 10 shows that 33 ', two kinds of carrier heads of wheel rim carrier head mainly is in order to adapt to dynamometry wheel to 5 the tread 53 and the difformity feature of wheel rim 54; Wherein, the sensor carrier head is connected on the force cell 31 by register pin 331, shown in Fig. 8 A.
Each vertical force is demarcated bogey 3 and is also comprised vertical force carrying carriage saddle 34, vertical force carrying carriage saddle 34 is connected on the carrying base 1, described vertical force carrying slide unit 32 is connected on the vertical force carrying carriage saddle 34 movably by traversing adjustment part 35, described vertical force carrying carriage saddle 34 corresponding dynamometry wheels are provided with traversing amount scale 36 to 5 position, the position of the corresponding force cell 31 in below of vertical force carrying slide unit 32 is provided with pointer 37, and pointer 37 points to traversing amount scale 36 accordingly.Wherein, traversing adjustment part 35 is fixing in the axial direction, but can rotate, traversing adjustment part 35 comprises interconnective handle 351 and screw rod 352, screw rod 352 is rotatably connected to vertical force carrying slide unit 32 inside, when turning handle 351, vertical force carrying slide unit 32 is moved horizontally.
In addition, on vertical force carrying carriage saddle 34 slide 411 that slides vertically can be set, lifting lifting jack 41 is placed on the slide 411, makes lifting lifting jack 41 to endwisely slip, so that its engagement shaft casing 52 better.Certainly, also slide 411 can be set, because the distance of two axle boxes 52 is similar to, the axial width of various axle boxes is enough wide simultaneously.Therefore, as long as make two distances between the lifting lifting jack 41 close, can guarantee that lifting lifting jack 41 withstands on the axle box 52 with the distance between two axle boxes 52.
In addition, the inboard of each vertical force carrying slide unit 32 and one of them side in the outside are provided with rotating angle orientation pointer 38, it contacts with the inner side end that described dynamometry is taken turns 5, the dynamometry wheel is provided with many angle line radially to 5 wheel rim inboard, line can evenly distribute, can make angle orientation pointer 38 point to wherein line by rotation dynamometry wheel to 5, in the present embodiment, be when angle orientation pointer 38 points to the position of line, the 4 pairs of dynamometry of charger wheel loads 5, records the dynamometry wheel to 5 vertical force by force cell 31.When needs rotate the dynamometry wheel to 5 the time, can the dynamometry wheel be risen 5 by lifting lifting jack 41, manually or by instrument rotate the dynamometry wheel to 5, its line alignment angle positioning pointer 38 can be taken turns this angle dynamometry demarcate output characteristics.
The above only is several embodiment of the present utility model, and those skilled in the art can carry out various changes or modification to the utility model embodiment and do not break away from spirit and scope of the present utility model according to application documents are disclosed.