CN208239073U - A kind of tail-gate spring fatigue tester - Google Patents
A kind of tail-gate spring fatigue tester Download PDFInfo
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- CN208239073U CN208239073U CN201820886225.5U CN201820886225U CN208239073U CN 208239073 U CN208239073 U CN 208239073U CN 201820886225 U CN201820886225 U CN 201820886225U CN 208239073 U CN208239073 U CN 208239073U
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- spring
- disk
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Abstract
The utility model discloses a kind of tail-gate spring fatigue testers, including pedestal, supporting leg and distribution box, the base upper surface is fixedly connected with distribution box, the distribution box side is fixedly connected with No.1 cabinet, mounting plate has been connected by screw at the top of the No.1 cabinets cavity, the mounting plate side has been connected by a snap detector for displacement measuring, the detector for displacement measuring side is fixedly connected with precompressed servo motor, polished rod sliding rail surface slidably connects pressing plate, the pressing plate bottom surface is welded with sleeve, described sleeve one end is connected with spring born work arbor, the No.1 bottom of box is welded with No. two cabinets, No. two cabinets cavities are provided with disk, one side surface of disk is connected by shaft coupling with the output end of driving motor.The utility model is welded with sleeve by pressing plate bottom surface, and barrel bore slidably connects spring born work arbor, can be according to the length of spring come the length of adjustment spring mandrel.
Description
Technical field
The utility model relates to a kind of testing machine, in particular to a kind of tail-gate spring fatigue tester.
Background technique
Tail-gate spring, on the fixed hinge of automobile trunk spring, having boot after unlatching by certain angle can
The supporting role leaned on, using extensively on car, the fatigue life requirements of general tail-gate spring are intended to reach 60,000 times this spring
To between 100,000 times.
Since the free height of general tail-gate spring will reach between 700mm to 900mm, free height space is too
Height, in order to will on the so long spring of free height at home general fatigue tester carry out fatigue test be it is impossible,
Therefore, engineers and technicians carry out fatigue test using iso-stress method, and spring free height is contracted by original 805mm
It is short to 37.3mm, and two spring line footpaths, internal diameter, pitch, workload do not change, this is exactly the spring of iso-stress, in theory
On, fatigue life is reciprocity, although the method for iso-stress carries out fatigue test, method is less desirable to be
This, it is proposed that a kind of tail-gate spring fatigue tester.
Utility model content
The main purpose of the utility model is to provide a kind of tail-gate spring fatigue testers, are welded by pressing plate bottom surface
It is connected to sleeve, and barrel bore slidably connects spring born work arbor, can be according to the length of spring come the length of adjustment spring mandrel, it can
Effectively to solve the problems in background technique.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of tail-gate spring fatigue tester, including pedestal, supporting leg and distribution box, the base lower surface are welded with branch
Leg, the base upper surface are fixedly connected with distribution box, and the distribution box side is fixedly connected with No.1 cabinet, the No.1 case
It is connected by screw to mounting plate at the top of intracoelomic cavity, the mounting plate side has been connected by a snap detector for displacement measuring, institute's rheme
Shift measurement instrument side is fixedly connected with precompressed servo motor, and the installation plate surface is welded with polished rod sliding rail, the polished rod sliding rail
Surface slidably connects pressing plate, and the pressing plate bottom surface is welded with sleeve, and described sleeve one end is connected with spring born work arbor,
The No.1 bottom of box is welded with No. two cabinets, and No. two cabinets cavities are provided with disk, and one side surface of disk is logical
Shaft coupling is crossed to be connected with the output end of driving motor.
Further, the adhesion of described supporting leg one end has Rubber shock-absorbing pad.
Further, No.1 cabinet side is connected with No.1 chamber door, No.1 chamber door surface by articulate
It inlays and is connected with observation window.
Further, the output end of the detector for displacement measuring and pressing plate are electrically connected, the precompressed servo motor output end
It is fixedly connected with No.1 connecting rod, is rotatablely connected between the No.1 connecting rod and pressing plate, described spring born work arbor one end is connected with
Testing stand.
Further, No. two cabinet sides are connected with No. two chamber doors, disk other side table by articulate
Face is connected with No. two connecting rods, and described No. two connecting rod one end and testing stand are rotatablely connected, and No. two connecting rod other ends are removable
It unloads and is connected with pin and pin and is connect through No. two connecting rods with disc rotary.
Compared with prior art, the utility model has the following beneficial effects:
1. sleeve is welded with by pressing plate bottom surface, and barrel bore slidably connects spring born work arbor, it can be according to spring
Length carry out the length of adjustment spring mandrel.
2. the output end and pressing plate by detector for displacement measuring are electrically connected, have and easily realize that digitlization, precision are high and differentiate
Rate is highest can reach nanoscale, strong antijamming capability, without artificial error in reading, it is easy for installation, using it is reliable the advantages that, greatly
The accuracy of experimental data is improved greatly.
3. being connected by shaft coupling with the output end of driving motor by one side surface of disk, another side surface of disk is living
Dynamic to be connected with No. two connecting rods, No. two connecting rod one end and testing stand are rotatablely connected, and No. two connecting rod other ends are removably connected with pin
And pin is connect through No. two connecting rods with disc rotary, is worked by driving motor, and No. two lever regulated tired amplitudes are carried out
Fatigue test.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of tail-gate spring fatigue tester of the utility model.
Fig. 2 is a kind of eccentric ratio apparatus structure schematic diagram of tail-gate spring fatigue tester of the utility model.
In figure: 1, pedestal；2, supporting leg；3, Rubber shock-absorbing pad；4, distribution box；5, No.1 cabinet；6, No.1 chamber door；7, it observes
Window；8, mounting plate；9, detector for displacement measuring；10, precompressed servo motor；11, No.1 connecting rod；12, polished rod sliding rail；13, pressing plate；14,
Sleeve；15, spring born work arbor；16, testing stand；17, No. two cabinets；18, No. two chamber doors；19, disk；20, No. two connecting rods；21, it sells
Nail；22, driving motor.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figs. 1-2, a kind of tail-gate spring fatigue tester, including pedestal 1, supporting leg 2 and distribution box 4, the pedestal 1
Lower surface is welded with supporting leg 2, and 1 upper surface of pedestal is fixedly connected with distribution box 4, and 4 side of distribution box is fixedly connected with
No.1 cabinet 5,5 inner cavity top of No.1 cabinet have been connected by screw to mounting plate 8, and 8 side of mounting plate passes through buckle
It is connected with detector for displacement measuring 9,9 side of detector for displacement measuring is fixedly connected with precompressed servo motor 10,8 surface of mounting plate
It is welded with polished rod sliding rail 12,12 surface of polished rod sliding rail slidably connects pressing plate 13, and 13 bottom surface of pressing plate is welded with
Sleeve 14, described 14 one end of sleeve are connected with spring born work arbor 15, and 5 bottom of No.1 cabinet is welded with No. two cabinets 17,
17 inner cavity of No. two cabinets is provided with disk 19, and 19 1 side surface of disk passes through the output of shaft coupling and driving motor 22
End is connected.
Wherein, 2 one end adhesion of supporting leg has Rubber shock-absorbing pad 3.
Wherein, 5 side of No.1 cabinet is connected with No.1 chamber door 6,6 surface of the No.1 chamber door edge by articulate
It is embedding to be connected with observation window 7.
Wherein, the output end of the detector for displacement measuring 9 and pressing plate 13 are electrically connected, 10 output end of precompressed servo motor
It is fixedly connected with No.1 connecting rod 11, is rotatablely connected between the No.1 connecting rod 11 and pressing plate 13, described 15 one end of spring born work arbor is living
It is dynamic to be connected with testing stand 16.
Wherein, 17 side of No. two cabinets is connected with No. two chamber doors 18,19 other side of disk by articulate
Surface activity is connected with No. two connecting rods 20, and 20 one end of No. two connecting rods and testing stand 16 are rotatablely connected, No. two connecting rods 20
The other end is removably connected with pin 21 and pin 21 is connected through No. two connecting rods 20 and the rotation of disk 19.
It should be noted that the utility model is a kind of tail-gate spring fatigue tester, pass through 1 lower surface of pedestal when work
It is welded with supporting leg 2, fixed testing machine is used to support, and have Rubber shock-absorbing pad 3 by 2 one end adhesion of supporting leg, can effectively reduce
The noise that testing machine generates at work provides electric energy by distribution box 4 for testing machine and supports, welded by 13 bottom surface of pressing plate
It is connected to sleeve 14, and 14 inner cavity of sleeve slidably connects spring born work arbor 15, it can be according to the length of spring come adjustment spring mandrel 15
Length, spring is socketed in 15 surface of spring born work arbor, and spring one end is fixed on 16 upper surface of testing stand, is watched by precompressed
Taking the operating of motor 10 drives No.1 connecting rod 11 to rotate, and 11 one end of No.1 connecting rod and pressing plate 13 are rotatablely connected, and pass through mounting plate 8
Surface is welded with polished rod sliding rail 12, slides up and down pressing plate 13 on 12 surface of polished rod sliding rail, so that pressing plate 13 be made to carry out spring
Compression experiment, and being electrically connected by the output end of detector for displacement measuring 9 and pressing plate 13, have easily realize digitlization, precision it is high and
Resolution ratio is highest to be can reach nanoscale, strong antijamming capability, not to have artificial error in reading, is easy for installation, using reliable etc. excellent
Point substantially increases the accuracy of experimental data, has observation window 7 by 6 surface inserting of No.1 chamber door, convenient for the tired of observation spring
Labor degree is connected by shaft coupling with the output end of driving motor 22 by 19 1 side surface of disk, 19 other side table of disk
Face is connected with No. two connecting rods 20, and No. two 20 one end of connecting rod and testing stand 16 are rotatablely connected, and No. two 20 other ends of connecting rod are removable
It unloads and is connected with pin 21 and pin 21 and is connected through No. two connecting rods 20 and the rotation of disk 19, worked by driving motor 22, make two
Number connecting rod 20 adjusts tired amplitude and carries out fatigue test, and No. two cabinets 17 are connected with No. two chamber doors 18 by articulate, can have
The noise for reducing driving motor 22 and generating of effect, 9 concrete model of detector for displacement measuring are Z2D/VT-67.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of tail-gate spring fatigue tester, including pedestal (1), supporting leg (2) and distribution box (4), pedestal (1) lower surface
It is welded with supporting leg (2), pedestal (1) upper surface is fixedly connected with distribution box (4), it is characterised in that: the distribution box (4) one
Side is fixedly connected with No.1 cabinet (5), and No.1 cabinet (5) inner cavity top has been connected by screw to mounting plate (8), the peace
Loading board (8) side has been connected by a snap detector for displacement measuring (9), and detector for displacement measuring (9) side is fixedly connected with precompressed and watches
It takes motor (10), mounting plate (8) surface is welded with polished rod sliding rail (12), and polished rod sliding rail (12) surface slidably connects
Pressing plate (13), pressing plate (13) bottom surface are welded with sleeve (14), and described sleeve (14) one end is connected with the spring heart
Axis (15), No.1 cabinet (5) bottom are welded with No. two cabinets (17), and No. two cabinets (17) inner cavity is provided with disk
(19), (19) one side surface of disk is connected by shaft coupling with the output end of driving motor (22).
2. a kind of tail-gate spring fatigue tester according to claim 1, it is characterised in that: described supporting leg (2) one end is viscous
It is connected with Rubber shock-absorbing pad (3).
3. a kind of tail-gate spring fatigue tester according to claim 1, it is characterised in that: the No.1 cabinet (5) one
Side is connected with No.1 chamber door (6) by articulate, and No.1 chamber door (6) surface inserting is connected with observation window (7).
4. a kind of tail-gate spring fatigue tester according to claim 1, it is characterised in that: the detector for displacement measuring (9)
Output end and pressing plate (13) be electrically connected, precompressed servo motor (10) output end is fixedly connected with No.1 connecting rod (11),
It is rotatablely connected between the No.1 connecting rod (11) and pressing plate (13), described spring born work arbor (15) one end is connected with testing stand
(16)。
5. a kind of tail-gate spring fatigue tester according to claim 1, it is characterised in that: No. two cabinets (17) one
Side is connected with No. two chamber doors (18) by articulate, and disk (19) other side surface activity is connected with No. two connecting rods
(20), No. two connecting rods (20) one end and testing stand (16) are rotatablely connected, and No. two connecting rods (20) other end detachably connects
It is connected to pin (21) and pin (21) is connected through No. two connecting rods (20) and disk (19) rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820886225.5U CN208239073U (en) | 2018-06-06 | 2018-06-06 | A kind of tail-gate spring fatigue tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820886225.5U CN208239073U (en) | 2018-06-06 | 2018-06-06 | A kind of tail-gate spring fatigue tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208239073U true CN208239073U (en) | 2018-12-14 |
Family
ID=64576681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820886225.5U Active CN208239073U (en) | 2018-06-06 | 2018-06-06 | A kind of tail-gate spring fatigue tester |
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| CN (1) | CN208239073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629843A (en) * | 2020-12-11 | 2021-04-09 | 重庆工商大学 | Clamp special for mechanical property test of multi-strand arc spring |
-
2018
- 2018-06-06 CN CN201820886225.5U patent/CN208239073U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629843A (en) * | 2020-12-11 | 2021-04-09 | 重庆工商大学 | Clamp special for mechanical property test of multi-strand arc spring |
| CN112629843B (en) * | 2020-12-11 | 2022-12-20 | 重庆工商大学 | Clamp special for mechanical property test of multi-strand arc spring |
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