CN207881829U - A kind of Portable wheel load scale for railway vehicles equipped with calibration equipment - Google Patents

Abstract

A kind of Portable wheel load scale for railway vehicles equipped with calibration equipment belongs to rolling stock Weighing equipment technical field.Including wheel weighing instrument, the wheel weighing instrument includes rack, from left to right weighing arm, from right to left weighing arm, length-adjustable drag link, clearance gauge component, which is characterized in that the drag link is equipped with the tommy bar component for adjusting drag link length；The clearance gauge component is equipped with locking device that clearance gauge seat is fixed on left bar and the safety device for preventing locking device from surprisingly loosening；It further includes calibration equipment, and the calibration equipment includes pedestal, bottom end rail, column upper beam, arch weighing part, pressure sensor, second display screen and signal amplifier.The utility model can at any time verify wheel weighing instrument, can ensure that wheel weighing instrument weighs the precision of metering；And the regulating device being arranged on tommy bar component can adjust and relatively rotate direction between tommy bar and pipe sleeve, it is not necessary that spanner is aligned pipe sleeve every time, operates very convenient, can be obviously improved efficiency.

Description

A kind of Portable wheel load scale for railway vehicles equipped with calibration equipment

Technical field

The utility model belongs to rolling stock Weighing equipment technical field, and in particular to a kind of equipped with calibration equipment Portable wheel load scale for railway vehicles.

Background technology

In order to ensure the safety of railway transportation, generally require to weigh to rolling stock in entrucking, it is existing to railway The instrument of vehicle weighing has track scale, portable wheel weighing instrument, wherein track scale is that rolling stock is weighed most effective means and standard The highest measurement instrument of exactness, is promoted the use of on rail track, and still, track scale huge structure involves great expense, and is not suitable for In the small brow that large number of, condition are different, and need to be again newly edited by the super of track scale detection, unbalance loading vehicle, move near Or retract original-pack parking lot and readjust, it is cumbersome, influence rail transportation efficiency.And portable wheel weighing instrument can move, and be applicable in In the small brow that condition is different；And portable wheel weighing instrument belongs to weighing instrument, weighing accuracy need to meet national standard, so It is required for being calibrated in each use.Existing portable wheel weighing instrument does not have mating calibration equipment, so can not be Using area carries out field calibration, such as notification number：A kind of CN 102012257B, that is, " railway of Patent No. 200910195337.1 Vehicle Wheel weight detector ", including wheel weighing instrument ontology, controller, the wheel weighing instrument ontology is interior to be equipped with hydraulic oil pump, the controller It controls and connects with wheel weighing instrument ontology, the wheel weighing instrument ontology is equipped with a micromotor, the micromotor and wheel weighing instrument The hydraulic oil pump of ontology is sequentially connected, which is not provided with calibration equipment, when in use can not field calibration, can not ensure The weighing accuracy of wheel weighing instrument, and the drag link length of the wheel weighing instrument is adjusted by the Double-ended nut among drag link, twists double end Nut changes the length of drag link, and to which weighing arm swings from right to left for pulling, when in use, user can not directly be twisted by hand Turn Double-ended nut, need in addition to use other tools such as spanner, because wheel weighing instrument is located in by the wheel of rolling stock when weighing Side, it twists Double-ended nut using tools such as spanners and is easy to be blocked by wheel, it is inconvenient to use, and twisted using tools such as spanners The limited angle that Double-ended nut is pulled every time needs repeatedly to pull spanner, and is required for opening spanner again after pulling every time Mouth alignment Double-ended nut, it is cumbersome, and inefficiency, it can cause to weigh time lengthening.

Invention content

It is cumbersome that the utility model can not verify and adjust drag link length before being weighed for wheel weighing instrument in the prior art Drawback, provides a kind of Portable wheel load scale for railway vehicles equipped with calibration equipment, including wheel weighing instrument, for the school of wheel weighing instrument verification Experiment device can at any time verify wheel weighing instrument, can ensure the precision weighed；And the length of the drag link on wheel weighing instrument can lead to The tommy bar component for crossing setting is adjusted, and the regulating device being arranged on tommy bar component can be adjusted between tommy bar and pipe sleeve and be relatively rotated Direction only needs constantly rotating spanner back and forth, can elongate or shorten after adjusting and relatively rotating direction between tommy bar and pipe sleeve The length of drag link operates very convenient it is not necessary that spanner is aligned pipe sleeve every time, can be obviously improved efficiency.

The goal of the invention of the utility model is achieved through the following technical solutions：It is a kind of portable equipped with calibration equipment Wheel load scale for railway vehicles, including wheel weighing instrument, the wheel weighing instrument include rack, from left to right weighing arm, from right to left weighing arm, length-adjustable horizontal drawing Bar, clearance gauge component, close switch, hydraulic cylinder, hydraulic oil pump, the motor of driving hydraulic oil pump work, hydrostatic sensor, deceleration Case is characterized by, and the drag link includes left bar and right bar, and the left end of left bar is hinged with weighing arm from left to right, the right end of right bar with Weighing arm is hinged from right to left, and the tommy bar component for adjusting drag link length is equipped between left bar and right bar；The tommy bar component includes Pipe sleeve, the hollow space both ends in pipe sleeve are respectively equipped with positive internal thread and reversed internal thread, positive internal thread with it is reversed in spiral shell The hand of spiral of line is on the contrary, the left bar, right bar are threadedly coupled with positive internal thread, the reversed internal thread on pipe sleeve respectively, institute The tommy bar that is socketed with and can be rotated around pipe sleeve on pipe sleeve is stated, tommy bar is equipped with for adjusting relative rotation side between tommy bar and pipe sleeve To regulating device, be connected on the pipe sleeve for rotating the resistance piece for generating resistance to pipe sleeve；The clearance gauge component includes The clearance gauge seat being socketed on left bar and the clearance gauge being fixed on clearance gauge seat are connected with for driving clearance gauge seat to the left on clearance gauge seat First spring of bar right end movement is additionally provided with locking device that clearance gauge seat is fixed on left bar on the clearance gauge seat and prevents The safety device that locking device surprisingly loosens；It is additionally provided with the circuit board equipped with microcontroller in the rack, the first display screen, inquires Save button, power connection, printer connections, starting switch, it is described close to switch, motor, hydrostatic sensor, the first display Screen, inquiry save button, power connection, printer connections, starting switch are connect with circuit board respectively；The power connection outer end It is connected with mobile power, printer connections outer end is connected with portable printer；

It further includes calibration equipment, and the calibration equipment includes two pedestals, and lower cross is fixedly connected between two pedestals Beam, plane is fixedly connected with a root post on each pedestal, and upper beam, the lower plane of upper beam are fixedly connected in two root posts Parallel with the upper plane of bottom end rail, the upper plane of the bottom end rail is equipped with arch and weighs part, and the lower plane that arch weighs part is circle Arcuate structure, the upper plane that arch weighs part are fixedly connected with support column, and upper end of support column is equipped with pressure sensor, pressure sensing Device upper end is equipped with sensor guard lid, and sensor guard cover upper planar surface is fixedly connected with contact block, and contact block is being located at upper beam just Lower section, and there are gaps between contact block and the lower plane of upper beam；The upper beam is put equipped with second display screen with signal The input terminal of big device, the signal amplifier is connect with pressure sensor, and output end and the second display screen of signal amplifier connect It connects, power cord is connected on second display screen；Being additionally provided between the bottom end rail and arch weighing part makes arch weighing part can only Along the longitudinal guide of longitudinal movement；Be additionally provided with oil hand pump on the bottom end rail, oil hand pump can by an oil pipe with The hydraulic oil pump of the wheel weighing instrument connects.

Preferably, the regulating device is bidirectional ratchet mechanism.

Preferably, the bidirectional ratchet mechanism includes being socketed in the ring gear being fixedly connected on the outside of pipe sleeve and with pipe sleeve, pipe Set is that line of demarcation is divided into left pipe sleeve and right pipe sleeve using ring gear, the positive internal thread, reversed internal thread be separately positioned on left pipe sleeve, The right end of the inside of right pipe sleeve, the left bar is threadedly coupled with left pipe sleeve, and the left end of right bar is threadedly coupled with right pipe sleeve, the plate Bar includes the lantern ring being socketed on left pipe sleeve or right pipe sleeve, and riser is fixedly connected on lantern ring, and the side of riser towards ring gear is opened There is arc groove, is set in the arc groove there are two the pawl of control ring gear difference rotation direction, the lateral surfaces of two pawls is arc The lateral surface of shape structure, pawl is fitted on the groove face of arc groove, is equipped between two pawls and is pushed two pawls to ring gear Second spring, on the riser connection can individually control the shift fork of any one pawl.

Preferably, the riser is equipped with the support chip of arcuate structure towards the side of shift fork, support chip is located at arc groove Upper end edge, the side of the shift fork towards riser are provided with the card slot for stirring pawl being arranged towards pipe sleeve, and card slot is arc The outer end of shape structure, two pawls is respectively held against on the inside of the both ends of card slot, and the support chip lateral surface is supported on card slot Side, there are spatial margins, the shift fork to be also fixedly connected towards the side of riser limited between the shift fork lower end and pipe sleeve Position bar, gag lever post is vertical with shift fork, and the guide groove of the arcuate structure through riser is also provided on the riser, and the gag lever post is worn Guide groove is crossed, gag lever post outer end is bolted with stop nut, and the stop nut is located at the both sides of riser with shift fork.

Preferably, being provided with groove on the left bar, pilot hole is provided on the clearance gauge seat, clearance gauge seat passes through pilot hole set It is connected on left bar, the mounting groove being connected to pilot hole is equipped in clearance gauge seat, the locking device includes being arranged in mounting groove Wraping plate, wraping plate is directly shipped and resell on another market by one with clearance gauge seat, and realization is hinged, and wraping plate upper end is equipped with button, and button is mounted on clearance gauge seat On, button lower end is supported on the upper end of wraping plate, and wraping plate lower end is embedded in groove, and being additionally provided between the wraping plate and clearance gauge seat will stick up Plate lower end presses to the third spring of groove；The safety device includes the snap-gauge for preventing wraping plate from rotating, and snap-gauge passes through one turn Pin realizes with clearance gauge seat and is hinged that snap-gauge outer end can be embedded in the gap between wraping plate and clearance gauge seat, also be set between snap-gauge and clearance gauge seat There is the 4th spring that snap-gauge outer end is pushed to gap between wraping plate and clearance gauge seat, card can be stirred by being also fixedly connected on the snap-gauge The toggle switch of plate rotation.In actual use, if carelessly touching the button on locking device, it is easy to cause the first bullet By clearance gauge seat, crane arm pushes spring to the right, is easy to happen accident, the setting of safety device can preferably avoid this phenomenon Occur, when needed during needing using the utility model by lower button, need to only stir the toggle switch on safety device, just It can use, it is very convenient, and the promotion security performance that energy is fabulous.

Preferably, the resistance piece is the resistance spring being arranged between pipe sleeve and from right to left weighing arm, resistance spring left end It is supported on the right end of pipe sleeve.

Preferably, positioning baffle has been respectively fixedly connected on the left bar and right bar, back to rack on positioning baffle End is provided with mounting hole, and the buffer stopper that can be slided in mounting hole is equipped in mounting hole, and buffer stopper outer end is located at except mounting hole, The 5th spring is equipped between the inner end and mounting hole inner end of the buffer stopper, being fixedly connected on the buffer stopper prevents buffer stopper The fixture block being detached from out of mounting hole.

Preferably, the weighing arm from left to right, from right to left weighing arm are equipped with the ball ring for being used to support Train wheel, the left bar On be also fixedly connected with and prevent clearance gauge seat from directly impinging the buffer gasket on pipe sleeve, the clearance gauge seat is towards on the side of rack Equipped with magnetic patch, the close switch is magnetic induction sensor.

Preferably, the support column and arch are equipped with connecting seat, upper plane and the branch of the connecting seat between weighing part The lower plane of dagger is bonded, and is achieved a fixed connection by first bolt between connecting seat and support column, first bolt It passes through from connecting seat lower plane center and is spirally connected successively with connecting seat, support column, the lower end of first bolt is relative to even The lower plane of joint chair is bonded with the upper plane of arch weighing part, connects to recess on the inside of connecting seat, the lower plane of the connecting seat Seat and arch are achieved a fixed connection between weighing part by four second bolts, and four second bolts are located at a square The position at four angles of shape, the second bolt passes through from the upper plane of connecting seat and weighs part with connecting seat, arch successively and be spirally connected, described The upper end of second bolt is recessed relative to the upper plane of connecting seat to connecting seat inside.

Preferably, the upper plane of the bottom end rail be fixedly connected there are two respectively with weighing arm from left to right, weighing arm is corresponding from right to left Crane arm locating piece.

Compared with prior art, the utility model has the advantages that：The calibration equipment energy of the utility model setting It is enough that wheel weighing instrument is verified at any time, it can ensure that the weighing accuracy of wheel weighing instrument is up to state standards, and the horizontal drawing on wheel weighing instrument The length of bar can be adjusted by the tommy bar component of setting, and the regulating device being arranged on tommy bar component can adjust tommy bar and pipe sleeve Between relatively rotate direction, after adjusting and relatively rotating direction between tommy bar and pipe sleeve, only need constantly rotating spanner back and forth, just The length that can elongate or shorten drag link operates very convenient it is not necessary that spanner is aligned pipe sleeve every time, can be obviously improved effect Rate.In actual use, when the wheel of wheel weighing instrument toward rolling stock leans on, the drag link of wheel weighing instrument is easy to collide on wheel, from And wheel weighing instrument may be damaged, and the setting of positioning baffle, when wheel weighing instrument being made to be leaned on toward the wheel of rolling stock, positioning baffle On buffer stopper can touch wheel in advance, avoid in drag link direct collision to wheel.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is wheel weighing instrument structural schematic diagram

Fig. 3 is tommy bar structural schematic diagram；

Fig. 4 is shifting fork structure schematic diagram；

Fig. 5 is tommy bar and fork connecting mechanism schematic diagram；

Fig. 6 is left rod structure schematic diagram；

Fig. 7 is clearance gauge component structure diagram；

Fig. 8 is safety apparatus structure schematic diagram；

Fig. 9 is positioning baffle internal structure schematic diagram；

Figure 10 is calibration equipment front view；

Figure 11 is enlarged drawing at A in Figure 10；

Figure 12 is calibration equipment rearview；

Figure 13 is that arch weighs part, support column, connecting seat attachment structure schematic diagram；

It is marked in figure：1, wheel weighing instrument, 2, calibration equipment, 3, rack, 4, weighing arm from left to right, 5, weighing arm from right to left, 6, drag link, 7, Clearance gauge component, 8, close to switch, 9, left bar, 10, right bar, 11, tommy bar component, 12, pipe sleeve, 13, tommy bar, 14, regulating device, 15, resistance piece, 16, hydraulic cylinder, 17, hydraulic oil pump, 18, motor, 19, hydrostatic sensor, 20, reduction box, 21, oil filler, 22, oil return valve, 23, clearance gauge seat, 24, clearance gauge, the 25, first spring, 26, locking device, 27, safety device, 28, circuit board, 29, First display screen, 30, pedestal, 31, bottom end rail, 32, column, 33, upper beam, 34, arch weigh part, 35, support column, 36, pressure Force snesor, 37, sensor guard lid, 38, contact block, 39, gap, 40, second display screen, 41, signal amplifier, 42, electricity Source line, 43, longitudinal guide, 44, oil hand pump, 45, inquiry save button, 46, power connection, 47, printer connections, 48, starting switch, 49, mobile power, 50, ring gear, 51, left pipe sleeve, 52, right pipe sleeve, 53, lantern ring, 54, riser, 55, arc Slot, 56, pawl, 57, second spring, 58, shift fork, 59, support chip, 60, card slot, 61, spatial margin, 62, gag lever post, 63, lead To slot, 64, stop nut, 65, groove, 66, pilot hole, 67, mounting groove, 68, wraping plate, 70, button, 71, third spring, 72, Snap-gauge, the 73, the 4th spring, 74, toggle switch, 75, positioning baffle, 76, mounting hole, 77, buffer stopper, the 78, the 5th spring, 79, Fixture block, 80, ball ring, 91, buffer gasket, 92, magnetic patch, 93, connecting seat, the 94, first bolt, the 95, second bolt, 96, lifting Arm locating piece, 97, portable printer.

Specific implementation mode

The embodiment represented by 1-13 is further described the utility model below in conjunction with the accompanying drawings：

As shown in Figure 1, a kind of Portable wheel load scale for railway vehicles 1 equipped with calibration equipment, including wheel weighing instrument 1, for taking turns The calibration equipment 2 that weight instrument 1 verifies,

As shown in figs. 2-9, the wheel weighing instrument 1 includes rack 3, from left to right weighing arm 4, from right to left weighing arm 5, length-adjustable drag link 6, clearance gauge component 7 and close to switch 8, weighing arm 4 is fixedly connected with 3 left end of rack from left to right, from right to left weighing arm 5 and 3 right end of rack hinge It connects；The drag link 6 includes left bar 9 and right bar 10, and the left end of left bar 9 is hinged with weighing arm 4 from left to right, the right end of right bar 10 with from right to left Weighing arm 5 is hinged, and the tommy bar component 11 for adjusting 6 length of drag link is equipped between left bar 9 and right bar 10；The tommy bar component 11 Including pipe sleeve 12, the hollow space both ends in pipe sleeve 12 are respectively equipped with positive internal thread and reversed internal thread, positive internal thread with The hand of spiral of reversed internal thread on the contrary, the left bar 9, right bar 10 respectively on pipe sleeve 12 positive internal thread, it is reversed in spiral shell Line is threadedly coupled, and the tommy bar 13 that can be rotated around pipe sleeve 12 is socketed on the pipe sleeve 12, and tommy bar 13 is equipped with to be pulled for adjusting The regulating device 14 in direction is relatively rotated between bar 13 and pipe sleeve 12, is connected on the pipe sleeve 12 and is produced for being rotated to pipe sleeve 12 The resistance piece 15 of raw resistance, the resistance piece 15 is the resistance spring being arranged between pipe sleeve 12 and from right to left weighing arm 5, resistance spring Right end of the left end support in pipe sleeve 12；The weighing arm from left to right 4, the from right to left front end of weighing arm 5 are respectively equipped with control weighing arm 4, the right side from left to right The hydraulic cylinder 16 that crane arm 5 lifts, the rack 3 are equipped with hydraulic oil pump 17 and driving liquid for 16 fuel feeding of hydraulic cylinder The motor 18 that pressure oil pump 17 works, passes through oil circuit connection, hydraulic oil pump 17 and hydraulic pressure between hydraulic oil pump 17 and hydraulic cylinder 16 It is equipped with hydrostatic sensor 19 in oil circuit between oil cylinder 16, reduction box 20, reduction box are equipped between motor 18 and hydraulic oil pump 17 20 input terminal is connect with the shaft of motor 18, and the output end of reduction box 20 is connect with hydraulic oil pump 17, the hydraulic oil pump 17 On be also associated with oil filler 21 and oil return valve 22；The clearance gauge component 7 includes the clearance gauge seat 23 being socketed on left bar 9 and fixes Clearance gauge 24 on clearance gauge seat 23 is connected with first for making that 9 right end of the bar movement to the left of clearance gauge seat 23 resets on clearance gauge seat 23 Spring 25 is additionally provided with locking device 26 that clearance gauge seat 23 is fixed on left bar 9 on the clearance gauge seat 23 and prevents locking from filling Set 26 safety devices 27 surprisingly loosened；Be additionally provided in the rack 3 circuit board 28 equipped with microcontroller, the first display screen 29, Save button 45, power connection 46, printer connections 47, starting switch 48 are inquired, it is described to be passed close to switch 8, motor 18, hydraulic pressure Sensor 19, the first display screen 29, inquiry save button 45, power connection 46, printer connections 47, starting switch 48 respectively with electricity Road plate 28 connects；46 outer end of the power connection is connected with mobile power 49, and 47 outer end of printer connections is connected with Portable hitting Print machine 97；

As shown in figures 10-13, the calibration equipment 2 includes two pedestals 30, is fixedly connected with down between two pedestals 30 Crossbeam 31, plane is fixedly connected with a root post 32 on each pedestal 30, and upper beam 33 is fixedly connected in two root posts 32, on The lower plane of crossbeam 33 is parallel with the upper plane of bottom end rail 31, and the upper plane of the bottom end rail 31 is equipped with arch and weighs part 34, bow The lower plane that shape weighs part 34 is arc-shaped structure, and the upper plane that arch weighs part 34 is fixedly connected with support column 35, support column 35 upper ends are equipped with pressure sensor 36, and 36 upper end of pressure sensor is equipped with sensor guard lid 37, is put down on sensor guard lid 37 Face is fixedly connected with contact block 38, and contact block 38 is located at immediately below upper beam 33, and the lower plane of contact block 38 and upper beam 33 Between when not verifying, there are gaps 39；The upper beam 33 is equipped with second display screen 40 and signal amplifier 41, the letter The input terminal of number amplifier 41 is connect with pressure sensor 36, and the output end of signal amplifier 41 is connect with second display screen 40, Power cord 42 is connected on second display screen 40；Being additionally provided between the bottom end rail 31 and arch weighing part 34 makes arch weigh part 34 can only include the guide rail being vertically arranged, guide rail along the longitudinal guide 43 of longitudinal movement, the longitudinal guide 43 It is fixed on the back side of bottom end rail 31, the back side that arch weighs part 34 is fixedly connected with the cunning that can only be vertically moved along guide rail Block, sliding block are embedded in guide rail；Be additionally provided with oil hand pump 44 on the bottom end rail 31, oil hand pump 44 can by an oil pipe with it is described The hydraulic oil pump 17 of wheel weighing instrument 1 connects；The upper plane of the bottom end rail 31 be fixedly connected there are two respectively with a left side for stating wheel weighing instrument 1 Crane arm 4, from right to left 5 corresponding crane arm locating piece 96 of weighing arm.

As in Figure 3-5, the regulating device 14 described in the above wheel weighing instrument 1 is bidirectional ratchet mechanism, the bidirectional ratchet Mechanism includes the ring gear 50 for being socketed in 12 outside of pipe sleeve and being fixedly connected with pipe sleeve 12, and pipe sleeve 12 is divided into ring gear 50 for line of demarcation Left pipe sleeve 51 and right pipe sleeve 52, forward direction internal thread, the reversed internal thread be separately positioned on left pipe sleeve 51, right pipe sleeve 52 it is interior The right end of side, the left bar 9 is connect with the positive internal thread of left pipe sleeve 51, and the left end of right bar 10 connects with 52 reversed internal thread of right pipe sleeve It connects, the plate stem 13 includes the lantern ring 53 being socketed on right pipe sleeve 52, and riser 54,54 direction of riser are fixedly connected on lantern ring 53 The side of ring gear 50 is provided with arc groove 55, sets that there are two the pawls of the different rotation directions of control ring gear 50 in the arc groove 55 56, the lateral surface of two pawls 56 is arcuate structure, and the lateral surface of pawl 56 is fitted on the groove face of arc groove 55, two pawls Be equipped between 56 and two pawls 56 pushed to the second spring 57 of ring gear 50, on the riser 54 connection can individually control any one The shift fork 58 of a pawl 56.

The riser 54 is equipped with the support chip 59 of arcuate structure towards the side of shift fork 58, and support chip 59 is located at arc groove 55 Upper end edge, the side of the shift fork 58 towards riser 54 are provided with the card slot for stirring pawl 56 being arranged towards pipe sleeve 12 60, card slot 60 is arcuate structure, and the outer end of two pawls 56 is respectively held against on the inside of the both ends of card slot 60, the support chip 59 Lateral surface is supported on 60 upper side of card slot, and there are spatial margin 61, the shift forks 58 between 58 lower end of the shift fork and pipe sleeve 12 It is also fixedly connected with gag lever post 62 towards the side of riser 54, gag lever post 62 is vertical with shift fork 58, is also provided on the riser 54 Through the guide groove 63 of the arcuate structure of riser 54, the gag lever post 62 passes through guide groove 63, and 62 outer end of gag lever post is spirally connected limited Position nut 64, the stop nut 64 are located at the both sides of riser 54 with shift fork 58.

It is provided with groove 65 on the left bar 9, pilot hole 66 is provided on the clearance gauge seat 23, clearance gauge seat 23 passes through pilot hole 66 It is socketed on left bar 9, the mounting groove 67 being connected to pilot hole 66 is equipped in clearance gauge seat 23, the locking device 26 includes that setting exists Wraping plate 68 in mounting groove 67, wraping plate 68 is directly shipped and resell on another market by one with clearance gauge seat 23, and realization is hinged, and 68 upper end of wraping plate is equipped with Button 70, button 70 are mounted on clearance gauge seat 23, and 70 lower end of button is supported on the upper end of wraping plate 68, and 68 lower end of wraping plate is embedded in groove In 65, the third spring 71 that 68 lower end of wraping plate is pressed to groove 65 is additionally provided between the wraping plate 68 and clearance gauge seat 23；The peace Full device 27 includes the snap-gauge 72 for preventing wraping plate 68 from rotating, and snap-gauge 72 ships and resell on another market by one and realizes hinged, card with clearance gauge seat 23 72 outer end of plate can be embedded in the gap between wraping plate 68 and clearance gauge seat 23, and being additionally provided between snap-gauge 72 and clearance gauge seat 23 will be outside snap-gauge 72 The 4th spring 73 in gap between wraping plate 68 and clearance gauge seat 23 is pushed at end to, and snap-gauge can be stirred by being also fixedly connected on the snap-gauge 72 The toggle switch 74 of 72 rotations.

As shown in Fig. 2, Fig. 9, positioning baffle 75, positioning baffle 75 have been respectively fixedly connected on the left bar 9 and right bar 10 On back to the end of rack 3 be provided with mounting hole 76, the buffer stopper 77 that can be slided in mounting hole 76, buffering are equipped in mounting hole 76 77 outer end of block is located at except mounting hole 76, and the 5th spring 78 is equipped between 76 inner end of inner end and mounting hole of the buffer stopper 77, The fixture block 79 for preventing buffer stopper 77 to be detached from out of mounting hole 76 is fixedly connected on the buffer stopper 77.

As shown in Fig. 2, the weighing arm from left to right 4, from right to left weighing arm 5 are equipped with the ball ring 80 for being used to support Train wheel, institute Stating also to be fixedly connected on left bar 9 prevents clearance gauge seat 23 from directly impinging the buffer gasket 91 on pipe sleeve 12, the clearance gauge seat 23 It is equipped with magnetic patch 92 towards the side of rack 3, the close switch 8 is magnetic induction sensor.

As shown in figure 13, the support column 35 of the calibration equipment 2 and arch are equipped with connecting seat 93 between weighing part 34, described The upper plane of connecting seat 93 is bonded with the lower plane of support column 35, passes through first bolt between connecting seat 93 and support column 35 94 achieve a fixed connection, first bolt 94 from 93 lower plane center of connecting seat pass through successively with connecting seat 93, support Column 35 is spirally connected, and the lower end of first bolt 94 is recessed relative to the lower plane of connecting seat 93 to 93 inside of connecting seat, the company The upper plane that the lower plane of joint chair 93 and arch weigh part 34 be bonded, passes through four pieces the between connecting seat 93 and arch weighing part 34 Two bolts 95 achieve a fixed connection, and four second bolts 95 are located at the position at four angles of a rectangle, the second spiral shell Bolt 95 from the upper plane of connecting seat 93 pass through successively with connecting seat 93, arch weigh part 34 be spirally connected, second bolt 95 it is upper The upper plane relative to connecting seat 93 is held to be recessed to 93 inside of connecting seat.

Specific embodiment described in text is only a kind of embodiment of technical solutions of the utility model, rather than technology The whole embodiments of scheme are not making creative work premise based on technical solutions of the utility model those skilled in the art Lower made all other embodiment, should all belong to the range that the utility model is protected.

Claims (10)

1. a kind of Portable wheel load scale for railway vehicles equipped with calibration equipment, including wheel weighing instrument（1）, the wheel weighing instrument includes rack （3）, weighing arm from left to right（4）, weighing arm from right to left（5）, length-adjustable drag link（6）, clearance gauge component（7）, close to switch（8）, hydraulic pressure Oil cylinder（16）, hydraulic oil pump（17）, driving hydraulic oil pump work motor（18）, hydrostatic sensor（19）, reduction box（20）, It is characterized in that, the drag link（6）Including left bar（9）With right bar（10）, the left end of left bar is hinged with weighing arm from left to right, the right side of right bar End is hinged with weighing arm from right to left, and the tommy bar component for adjusting drag link length is equipped between left bar and right bar（11）；The tommy bar Component includes pipe sleeve（12）, the hollow space both ends in pipe sleeve are respectively equipped with positive internal thread and reversed internal thread, just inside spiral shell The hand of spiral of line and reversed internal thread on the contrary, the left bar, right bar respectively with positive internal thread, the reversed internal thread on pipe sleeve It is threadedly coupled, the tommy bar that can be rotated around pipe sleeve is socketed on the pipe sleeve（13）, tommy bar is equipped with for adjusting tommy bar and pipe The regulating device in direction is relatively rotated between set（14）, it is connected on the pipe sleeve for rotating the resistance for generating resistance to pipe sleeve Part（15）；The clearance gauge component includes the clearance gauge seat being socketed on left bar（23）And it is fixed on the clearance gauge on clearance gauge seat（24）, The first spring for driving the bar right end movement to the left of clearance gauge seat is connected on clearance gauge seat（25）, be additionally provided on the clearance gauge seat by Clearance gauge seat is fixed on the locking device on left bar（26）And the safety device for preventing locking device from surprisingly loosening（27）；The machine The circuit board equipped with microcontroller is additionally provided on frame（28）, the first display screen（29）, inquiry save button（45）, power connection （46）, printer connections（47）, starting switch（48）, described close to switch, motor, hydrostatic sensor, the first display screen, inquiry Save button, power connection, printer connections, starting switch are connect with circuit board respectively；The power connection outer end is connected with Mobile power（49）, printer connections outer end is connected with portable printer（97）；

It further includes calibration equipment（2）, the calibration equipment includes two pedestals（30）, it is fixedly connected with down between two pedestals Crossbeam（31）, plane is fixedly connected with a root post on each pedestal（32）, upper beam is fixedly connected in two root posts（33）, The lower plane of upper beam is parallel with the upper plane of bottom end rail, and the upper plane of the bottom end rail is equipped with arch and weighs part（34）, arch The lower plane for weighing part is arc-shaped structure, and the upper plane that arch weighs part is fixedly connected with support column（35）, upper end of support column Equipped with pressure sensor（36）, pressure sensor upper end is equipped with sensor guard lid（37）, sensor guard cover upper planar surface fixes It is connected with contact block（38）, contact block is located at immediately below upper beam, and there are gaps between contact block and the lower plane of upper beam （39）；The upper beam is equipped with second display screen（40）With signal amplifier（41）, the input terminal of the signal amplifier with Pressure sensor connects, and the output end of signal amplifier is connect with second display screen, and power cord is connected on second display screen （42）；Being additionally provided between the bottom end rail and arch weighing part, which makes arch weigh part, to be filled along the longitudinally guiding of longitudinal movement It sets（43）；It is additionally provided with oil hand pump on the bottom end rail（44）, oil hand pump can pass through the hydraulic pressure of an oil pipe and the wheel weighing instrument Oil pump connects.

2. a kind of Portable wheel load scale for railway vehicles equipped with calibration equipment according to claim 1, which is characterized in that institute State regulating device（14）For bidirectional ratchet mechanism.

3. a kind of Portable wheel load scale for railway vehicles equipped with calibration equipment according to claim 2, which is characterized in that institute It includes being socketed in the ring gear being fixedly connected on the outside of pipe sleeve and with pipe sleeve to state bidirectional ratchet mechanism（50）, pipe sleeve is using ring gear as line of demarcation It is divided into left pipe sleeve（51）With right pipe sleeve（52）, forward direction internal thread, the reversed internal thread are separately positioned on left pipe sleeve, right pipe sleeve The right end of inside, the left bar is threadedly coupled with left pipe sleeve, and the left end of right bar is threadedly coupled with right pipe sleeve, and the tommy bar includes set The lantern ring being connected on left pipe sleeve or right pipe sleeve（53）, riser is fixedly connected on lantern ring（54）, the side of riser towards ring gear is opened There is arc groove（55）, set that there are two the pawls of control ring gear difference rotation direction in the arc groove（56）, two pawls it is outer Side is arcuate structure, and the lateral surface of pawl is fitted on the groove face of arc groove, is equipped between two pawls and pushes away two pawls To the second spring of ring gear（57）, on the riser connection can individually control the shift fork of any one pawl（58）.

4. a kind of Portable wheel load scale for railway vehicles equipped with calibration equipment according to claim 3, which is characterized in that institute State the support chip that riser is equipped with arcuate structure towards the side of shift fork（59）, support chip is located at arc groove upper end edge, described group It pitches towards the side of riser and is provided with the card slot for stirring pawl being arranged towards pipe sleeve（60）, card slot is arcuate structure, two The outer end of the pawl is respectively held against on the inside of the both ends of card slot, and the support chip lateral surface is supported on card slot upper side, described group There are spatial margins between fork lower end and pipe sleeve（61）, the side of the shift fork towards riser is also fixedly connected with gag lever post （62）, gag lever post is vertical with shift fork, and the guide groove of the arcuate structure through riser is also provided on the riser（63）, the limit Bar passes through guide groove, and gag lever post outer end is bolted with stop nut（64）, the stop nut and shift fork are located at the two of riser Side.

5. a kind of Portable wheel load scale for railway vehicles equipped with calibration equipment according to claim 1, which is characterized in that institute It states and is provided with groove on left bar（65）, pilot hole is provided on the clearance gauge seat（66）, clearance gauge seat is socketed in by pilot hole on left bar, The mounting groove being connected to pilot hole is equipped in clearance gauge seat（67）, the locking device includes the wraping plate being arranged in mounting groove （68）, wraping plate is directly shipped and resell on another market by one with clearance gauge seat, and realization is hinged, and wraping plate upper end is equipped with button（70）, button, which is mounted on, to be filled in On rod support, button lower end is supported on the upper end of wraping plate, and wraping plate lower end is embedded in groove, is additionally provided between the wraping plate and clearance gauge seat Wraping plate lower end is pressed to the third spring of groove（71）；The safety device includes the snap-gauge for preventing wraping plate from rotating（72）, Snap-gauge is shipped and resell on another market by one and is hinged with the realization of clearance gauge seat, and snap-gauge outer end can be embedded in the gap between wraping plate and clearance gauge seat, snap-gauge and plug The 4th spring that snap-gauge outer end is pushed to gap between wraping plate and clearance gauge seat is additionally provided between rod support（73）, also solid on the snap-gauge Surely the toggle switch of snap-gauge rotation can be stirred by being connected with（74）.

6. a kind of Portable wheel load scale for railway vehicles equipped with calibration equipment according to claim 1, which is characterized in that institute It is the resistance spring being arranged between pipe sleeve and from right to left weighing arm, right end of the resistance spring left end support in pipe sleeve to state resistance piece.

7. a kind of Portable wheel load scale for railway vehicles equipped with calibration equipment according to claim 1, which is characterized in that institute It states and has been respectively fixedly connected with positioning baffle on left bar and right bar（75）, mounting hole is provided with back to the end of rack on positioning baffle （76）, mounting hole is interior to be equipped with the buffer stopper that can be slided in mounting hole（77）, buffer stopper outer end is located at except mounting hole, described slow It rushes and is equipped with the 5th spring between the inner end of block and mounting hole inner end（78）, be fixedly connected on the buffer stopper prevent buffer stopper from The fixture block being detached from mounting hole（79）.

8. a kind of Portable wheel load scale for railway vehicles equipped with calibration equipment according to claim 1, which is characterized in that institute State that weighing arm from left to right, weighing arm is equipped with the ball ring for being used to support Train wheel from right to left（80）, also it is fixedly connected on the left bar Prevent clearance gauge seat from directly impinging the buffer gasket on pipe sleeve（91）, the clearance gauge seat is towards the side of rack equipped with magnetic patch （92）, the close switch is magnetic induction sensor.

9. a kind of Portable wheel load scale for railway vehicles equipped with calibration equipment according to claim 1, which is characterized in that institute It states and is equipped with connecting seat between support column and arch weighing part（93）, the upper plane of the connecting seat and the lower plane of support column paste It closes, passes through first bolt between connecting seat and support column（94）It achieves a fixed connection, first bolt is under connecting seat Planar central position passes through and is spirally connected successively with connecting seat, support column, and the lower end of first bolt is relative to the lower flat of connecting seat Towards being recessed on the inside of connecting seat, the lower plane of the connecting seat is bonded with the upper plane of arch weighing part, and connecting seat claims with arch Pass through four second bolts between amount part（95）It achieves a fixed connection, four second bolts are located at the four of a rectangle The position at a angle, the second bolt pass through from the upper plane of connecting seat and weigh part with connecting seat, arch successively and be spirally connected, second spiral shell The upper end of bolt is recessed relative to the upper plane of connecting seat to connecting seat inside.

10. a kind of Portable wheel load scale for railway vehicles equipped with calibration equipment according to claim 1, which is characterized in that The upper plane of the bottom end rail be fixedly connected there are two respectively with weighing arm from left to right, the corresponding crane arm locating piece of weighing arm from right to left （96）.