CN201408119Y

CN201408119Y - Device for detecting curve combination property of automobile booster

Info

Publication number: CN201408119Y
Application number: CN2009200935085U
Authority: CN
Inventors: 王晓东
Original assignee: JILIN HAORAN ZHENGDA TECHNOLOGY Co Ltd
Current assignee: JILIN HAORAN ZHENGDA TECHNOLOGY Co Ltd
Priority date: 2009-04-28
Filing date: 2009-04-28
Publication date: 2010-02-17
Anticipated expiration: 2019-04-28

Abstract

The utility model provides a device for detecting the curve combination property of an automobile booster, belonging to the technical field of detecting equipment. The device is characterized in thata bushing is loose fit with an outer sheath; the diameter of the upper end of a replaceable push rod is less than that of the lower end; the diameter of the upper end of a connecting rod is larger than that of the lower end; a push rod seat is fixed with a sealing seat by a bolt; the upper surface of the sealing seat is contacted with the lower surface of a cylindrical transition gasket; the upperhole of the sealing seat is fit with the stress end of a 0.5KN sensor; a middle hole is fit with the small diameter end of the connecting rod; the lower hole is fit with the flange of the connectingrod; the upper end of a small spring is contacted with the stress end of the 0.5KN sensor; the other end of an extension seat extends outside the outer sheath; a protection sheath of the sensor is a step shaft; the external surface of a large diameter end is provided with a key slot in the axial direction; the shaft arm of the protection sheath of the sensor is provided with a rectangular spring gasket; and a 10KN sensor is fixedly connected to a cylindrical disc spring seat by a bolt. The device can exactly detect whether the output force is zero when the input force of the automobile boosteris zero.

Description

Automobile booster curve generalization performance detection apparatus

Technical field

The utility model belongs to the checkout equipment technical field.

Background technology

At present, known automobile booster curve generalization performance detection apparatus can carry out static seal detection and motive seal detection to the automobile booster, utilizes the 5KN input force transducer in equipment bottom and the 10KN power output sensor in equipment upper end to carry out the input and output force curve and detects.But 10KN power output sensor causes its precision relatively low because range is big, so very important can't detecting from the amplification performance index of booster, promptly its power output also will be zero when input power is zero.When the automobile booster is zero in input power, and its power output, is just adopted less than these data the judgement that makes the mistake if the precision of sensor is lower when very little.

Summary of the invention

The purpose of this utility model is: a kind of automobile booster curve generalization performance detection apparatus is provided, and it has solved existing equipment can't detect the deficiency that the automobile booster can't detect from the amplification performance index.

The technical solution of the utility model is: overcoat and lining are the tube circle, lining and overcoat clearance fit, interchangeable push rod is a multidiameter, upper end diameter is less than lower end diameter, there are one 360 degree C type grooves the upper end, extension bar is a multidiameter, upper end diameter is greater than lower end diameter, the upper end has an aperture that little spring is installed in the axial direction, the lower end has a macropore to cooperate with the extension bar upper gap in the axial direction, the extension bar lower end is diametrically by four apertures, pin four steel balls by C type spring lock ring, steel ball drops in the C type groove of extension bar, the interposition of extension bar is equipped with the upper surface that a flange is stuck in sealing socket, the centre of flange shape sealing socket is a shoulder hole, small diameter bore and extension bar clearance fit, large diameter hole cooperates with flange shape ram seat, and a y-type seal ring is equipped with in inside, y-type seal ring cooperates with extension bar, ram seat and sealing socket are by screw retention together, the upper surface of sealing socket contacts with cylindrical transition packing ring lower surface, the hole that the transition packing ring has 3 diameters not wait from the top down, last hole cooperates with the force side of 0.5KN force transducer, mesopore cooperates with the smaller diameter end of extension bar, following hole cooperates with extension bar flange place, the upper end of little spring contacts with 0.5KN force transducer force side, there is an aperture at the center of extension seat and 0.5KN force transducer contact portion, there is a right cylinder at the aperture place, right cylinder and pressure transducer sheath upper end one aperture clearance fit, the extension seat other end stretches out the overcoat outside, the pressure transducer sheath is a multidiameter, the lower end has a C type macropore in the axial direction, the upper end has an aperture in the axial direction, there is a vent port on the top, the outside surface of larger diameter end has a keyway in the axial direction, one holding screw limits its rotation, the outside surface of larger diameter end and sleeve inner surface clearance fit, pressure transducer sheath shaft shoulder place is equipped with the rectangle spring washer, rectangle spring upper end contacts with the rectangle spring, rectangle spring upper end links to each other with cylindrical rectangle spring base, the rectangle spring inside diameter cooperates with pressure transducer sheath small diameter shaft and rectangle spring base cylindrical boss, rectangle spring base lower end has a macropore to hold the rectangle spring in the axial direction, and there is a cylindrical boss upper end in hole, and the upper end of rectangle spring base has an aperture to cooperate with 10KN force transducer force side, the outside surface of rectangle spring base and sleeve inner surface clearance fit, the 10KN force transducer is connected on the cylindrical disk spring seat by screw retention, the shoulder hole that the disk spring seat has 3 diameters not wait in the axial direction, and the lower end aperture cooperates with pressure-bearing bar smaller diameter end, mesopore is equipped with disk spring washer, macropore is equipped with one group of disk spring, disk spring seat outside surface and sleeve inner surface clearance fit, and outside surface has a keyway in the axial direction, one holding screw prevents its rotation, the pressure-bearing bar is a multidiameter, and lower end diameter is little, and disk spring is enclosed within on the axle, upper end diameter is big, contact with joint, center section is an external thread, screws with the Connection Block internal thread, joint one end links to each other with gas-liquid power-increasing cylinder by screw, and the other end contacts with the pressure-bearing bar.

The beneficial effects of the utility model are: can measure exactly whether its power output is zero, and simple in structure when automobile booster input power is zero, accuracy of detection is provided greatly.

Description of drawings

Fig. 1 is a structural front view of the present utility model;

Fig. 2 is a structure cut-open view of the present utility model.

Embodiment

Below in conjunction with accompanying drawing the utility model is described further:

As shown in Figure 1, the 31st, output pressure pick-up unit A, the 32nd, false shell carriage apparatus, the 33rd, false shell locating device, the 34th, output pressure pick-up unit B, the 35th, bench frame apparatus, the 36th, air chest.

As shown in Figure 2, the 1st, interchangeable push rod, the 2nd, ram seat, the 3rd, extension bar, the 4th, extension seat, the 5th, cylinder, the 6th, lining, the 7th, disk spring seat, the 8th, pressure-bearing bar, the 9th, Connection Block, the 10th, joint, the 11st, power cylinder seat, the 12nd, disk spring washer, the 13rd, rectangle spring base, the 14th, rectangle spring washer, the 15th, pressure transducer sheath, the 16th, little spring, the 17th, transition packing ring, the 18th, overcoat, the 19th, sealing socket, the 20th, spring lock ring, the 21st, 10KN force transducer, the 22nd, rectangle spring, the 23rd, 0.5KN force transducer.

In Fig. 1, checkout equipment is made up of output pressure pick-up unit A31, false shell carriage apparatus 32, false shell locating device 33, output pressure pick-up unit B34, bench frame apparatus 35, air chest 36.Checkout equipment by flange arrangement, uses 6 M10 socket head cap screws to be connected with the big plate of number ground floor on the bench frame apparatus 35 by output pressure pick-up unit A31; False shell carriage apparatus 32 links to each other by the joint among Fig. 2 10 with output pressure pick-up unit A31, and output pressure pick-up unit A31 drives false shell carriage apparatus 32 and moves up and down on 30 of two Φ; False shell locating device 48 M10 socket head cap screws of 33 uses and 24 Φ 8 taper pins are fixed on to be counted on the big plate of the second layer on the bench frame apparatus 35; Output pressure pick-up unit B34 drives on 30 of 2 Φ and moves up and down by being fixed on cylinder on the bench frame apparatus 35; Bench frame apparatus 35 fixes on the ground by foot bolt.

The checkout equipment course of action: cylinder promotes output pressure pick-up unit B34 measured piece is upwards delivered to false shell locating device 33 places, 6 cylinders in the false shell locating device 33 stretch out holds measured piece, output pressure pick-up unit B34 returns to assigned address, gas-liquid power-increasing cylinder among the output pressure pick-up unit A31 stretches out the false shell carriage apparatus 32 of drive and moves down, false shell in the false shell carriage apparatus 32 is closely linked to each other with measured piece, and measured piece puts in place and begins after signal sends to detect.

In Fig. 2, overcoat 18 and lining 6 all are circles, and the outside surface of lining 6 cooperates with the internal surface gaps of overcoat 18.Interchangeable push rod 1 shape is a multidiameter, and upper end diameter is little, and lower end diameter is big, and there are one 360 degree C type grooves the upper end.Extension bar 3 shapes are multidiameters, upper end diameter is big, lower end diameter is little, the upper end has an aperture that little spring 16 is installed in the axial direction, and the lower end has a macropore to cooperate with extension bar 3 upper gap in the axial direction, and extension bar 3 lower ends are diametrically by four apertures, pin four steel balls by C type spring lock ring 20, steel ball drops in the C type groove of extension bar 3, and the interposition of extension bar 3 is equipped with the upper surface that a flange is stuck in sealing socket 19, and extension bar 3 can not fallen.Sealing socket 19 shapes are flange shapes, the centre is a shoulder hole, small diameter bore and extension bar 3 clearance fit, large diameter hole cooperates with flange shape ram seat 2, and a y-type seal ring is equipped with in inside, y-type seal ring cooperates with extension bar, and ram seat 2 is fixed together by 4 M4 socket head cap screws with sealing socket 19.Sealing socket 19 is fixed by overcoat 18 in the axial direction, and it can not be moved up and down, and an O type circle is equipped with in the lower end of sealing socket 19.The upper surface of sealing socket 19 contacts with cylindrical transition packing ring 17 lower surfaces, the hole that transition packing ring 17 has 3 diameters not wait from the top down, last hole cooperates with the force side of 0.5KN force transducer 23, and mesopore cooperates with the smaller diameter end of extension bar 3, and following hole cooperates with extension bar 3 flange places.The upper end of little spring contacts with 0.5KN force transducer 23 force sides.0.5KN force transducer 23 is fixed on the extension seat 4 of a plate-shaped by 4 sunk screws, extension seat 4 has an aperture with the center of 0.5KN force transducer 23 contact portions, the aperture place is welded with a right cylinder, right cylinder and pressure transducer sheath upper end one aperture clearance fit, extension seat 4 other ends stretch out overcoat 18 outsides, when cylinder 5 stretches out, move by extension seat 4 restriction 0.5KN force transducers.The pressure transducer sheath is a multidiameter, the lower end has a C type macropore in the axial direction, the upper end has an aperture in the axial direction, there is a vent port on the top, the outside surface of larger diameter end has a keyway in the axial direction, one holding screw limits it and rotates, and the outside surface of larger diameter end cooperates with lining 6 internal surface gaps.Pressure transducer sheath shaft shoulder place is equipped with rectangle spring washer 12, and rectangle spring 22 upper ends link to each other with cylindrical rectangle spring base 13, and rectangle spring 22 internal diameters cooperate with pressure transducer sheath small diameter shaft and rectangle spring base cylindrical boss.Rectangle spring base 13 lower ends have a macropore to hold rectangle spring 22 in the axial direction, there is a cylindrical boss upper end in hole, the upper end of rectangle spring base 13 has an aperture to cooperate with 10KN force transducer force side, and the outside surface of rectangle spring base 13 cooperates with lining 6 internal surface gaps.The 10KN force transducer is fixedly connected on the cylindrical disk spring seat by 4 M5 socket head cap screws.The shoulder hole that the disk spring seat has 3 diameters not wait in the axial direction, the lower end aperture cooperates with pressure-bearing bar smaller diameter end, mesopore is equipped with disk spring washer 12, macropore is equipped with one group of disk spring, disk spring seat outside surface cooperates with lining 6 internal surface gaps, and outside surface has a keyway in the axial direction, and a holding screw prevents its rotation.Pressure-bearing bar 8 is multidiameters, and lower end diameter is little, and disk spring is enclosed within on the axle, and upper end diameter is big, contacts with joint, and center section is an external thread, screws with the Connection Block internal thread.Joint one end links to each other with gas-liquid power-increasing cylinder by holding screw, and the other end contacts with pressure-bearing bar 8, and shaft shoulder place is stuck on the Connection Block, makes it can drive Connection Block and moves up.Connection Block is a flange shape, be fixedly connected on the overcoat 18 by 6 M8 socket head cap screws, power cylinder seat 11 is flange shapes, the upper end connects enterprise's power cylinder by 6 M8 socket head cap screws, on the big plate, overcoat 18 was connected on the following big plate by 6 M10 screws above the lower end was connected by 6 M10 socket head cap screws.

The checkout equipment course of action: interchangeable push rod upwards promotes extension bar and moves, and is stressed by little spring 0.5KN force transducer, and this moment, the 0.5KN force transducer worked, and after extension bar moves 2mm, contacted with the transition packing ring, and the transition packing ring moves up.The transition packing ring moves up behind the 3mm, and the transition packing ring contacts with the pressure transducer sheath, and the 0.5KN force transducer is not in action.The pressure transducer sheath begins to move up, and promotes the rectangle spring base by the rectangle spring and moves up, and this moment, the 10KN force transducer began to work, and the disk spring seat moves up, the distortion of compact disc spring, thus make the input and output force curve.

Principle of work: when the very little stage of input power, this moment, power output was also very little, the high stressed output numerical value of 0.5KN force transducer of precision in this time, the 10KN force transducer does not stress, when input power becomes very big, this moment, power output also became very big, and the 0.5KN force transducer is thrown off no longer stressed, the stressed output numerical value of 10KN force transducer.

Claims

1, a kind of automobile booster curve generalization performance detection apparatus, it is characterized in that: overcoat and lining are the tube circle, lining and overcoat clearance fit, interchangeable push rod is a multidiameter, upper end diameter is less than lower end diameter, there are one 360 degree C type grooves the upper end, extension bar is a multidiameter, upper end diameter is greater than lower end diameter, the upper end has an aperture that little spring is installed in the axial direction, the lower end has a macropore to cooperate with the extension bar upper gap in the axial direction, the extension bar lower end is diametrically by four apertures, pin four steel balls by C type spring lock ring, steel ball drops in the C type groove of extension bar, the interposition of extension bar is equipped with the upper surface that a flange is stuck in sealing socket, the centre of flange shape sealing socket is a shoulder hole, small diameter bore and extension bar clearance fit, large diameter hole cooperates with flange shape ram seat, and a y-type seal ring is equipped with in inside, y-type seal ring cooperates with extension bar, ram seat and sealing socket are by screw retention together, the upper surface of sealing socket contacts with cylindrical transition packing ring lower surface, the hole that the transition packing ring has 3 diameters not wait from the top down, last hole cooperates with the force side of 0.5KN force transducer, mesopore cooperates with the smaller diameter end of extension bar, following hole cooperates with extension bar flange place, the upper end of little spring contacts with 0.5KN force transducer force side, there is an aperture at the center of extension seat and 0.5KN force transducer contact portion, there is a right cylinder at the aperture place, right cylinder and pressure transducer sheath upper end one aperture clearance fit, the extension seat other end stretches out the overcoat outside, the pressure transducer sheath is a multidiameter, the lower end has a C type macropore in the axial direction, the upper end has an aperture in the axial direction, there is a vent port on the top, the outside surface of larger diameter end has a keyway in the axial direction, one holding screw limits its rotation, the outside surface of larger diameter end and sleeve inner surface clearance fit, pressure transducer sheath shaft shoulder place is equipped with the rectangle spring washer, rectangle spring upper end contacts with the rectangle spring, rectangle spring upper end links to each other with cylindrical rectangle spring base, and the rectangle spring inside diameter cooperates with pressure transducer sheath small diameter shaft and rectangle spring base cylindrical boss, and rectangle spring base lower end has a macropore to hold the rectangle spring in the axial direction, there is a cylindrical boss upper end in hole, the upper end of rectangle spring base has an aperture to cooperate with 10KN force transducer force side, the outside surface of rectangle spring base and sleeve inner surface clearance fit, and the 10KN force transducer is connected on the cylindrical disk spring seat by screw retention, the shoulder hole that the disk spring seat has 3 diameters not wait in the axial direction, the lower end aperture cooperates with pressure-bearing bar smaller diameter end, and mesopore is equipped with disk spring washer, and macropore is equipped with one group of disk spring, disk spring seat outside surface and sleeve inner surface clearance fit, and outside surface has a keyway in the axial direction, and a holding screw prevents its rotation, and the pressure-bearing bar is a multidiameter, lower end diameter is little, disk spring is enclosed within on the axle, and upper end diameter is big, contacts with joint, center section is an external thread, screw with the Connection Block internal thread, joint one end links to each other with gas-liquid power-increasing cylinder by screw, and the other end contacts with the pressure-bearing bar.