CN207832895U - A kind of resistance test tooling for SCR assemblies - Google Patents
A kind of resistance test tooling for SCR assemblies Download PDFInfo
- Publication number
- CN207832895U CN207832895U CN201820111010.6U CN201820111010U CN207832895U CN 207832895 U CN207832895 U CN 207832895U CN 201820111010 U CN201820111010 U CN 201820111010U CN 207832895 U CN207832895 U CN 207832895U
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- protective cover
- plate
- test
- resistance test
- baffle
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Abstract
The utility model discloses a kind of resistance test toolings for SCR assemblies, including test fixture, protective cover, threading opening, baffle, fixture block, casing, threaded rod, rocking bar, connecting groove, the first lug plate, the second lug plate, movable plate, sliding slot, fixed plate, crossbeam and groove.The utility model has the beneficial effects that：Pass through the front installation protective cover in test fixture, the top installation of protective cover can be with movable baffle, baffle can pull open upwards, expose threading opening, need to resistive element to be tested be connected on the first lug plate, resistance test can be carried out by test equipment being connected between the movable plate and fixed plate at the test fixture back side, first lug plate and the second lug plate can work, so that the tooling testing efficiency is got higher, and protective cover can effectively prevent the environment such as extraneous temperature and humidity influences resistance test so that when test fixture test resistance more it is accurate but.The utility model has measurement data accurate, the secured feature of wiring.
Description
Technical field
The utility model is related to a kind of test fixtures, specially a kind of resistance test tooling for SCR assemblies, belong to vapour
Vehicle handles exhaust system technical field.
Background technology
SCR system has very important effect, wherein SCR assemblies to reducing the oxynitrides in exhaust gas from diesel vehicle discharge
It is one of most important parts.In last procedure of the production process of SCR assemblies, detection resistance value is essential step
Suddenly, ensure that SCR assemblies can meet using standard.
Resistance in existing SCR assemblies in test there are still certain defect, although existing test fixture can be with
Resistance test in SCR assemblies is come out, but it is outer due to being exposed between test fixture and tested element in test
In boundary's environment, therefore be easy to be influenced by extraneous temperature humidity etc., cause test data inaccurate, and needed before testing by
It is connected between test equipment and test fixture, the unstable progress that can also influence test of connection.
Utility model content
The purpose of this utility model be that in order to solve above-mentioned test fixture when test resistance element be easy by
Unstable problem is connected between ectocine and test equipment and test fixture and a kind of resistance survey for SCR assemblies is provided
Trial work fills, and has measurement data accurate, the secured advantage of wiring.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of resistance test work for SCR assemblies
Protective cover is arranged in one end of dress, including test fixture, the test fixture, and threading opening is arranged in the outer wall of the protective cover, described
Baffle is installed at the top of protective cover, and fixture block is arranged in the top of the baffle, and connecting groove is arranged in the inside of the protective cover, described to connect
The inside of wire casing is arranged the first lug plate, and the side of first lug plate is arranged the second lug plate, the test fixture it is another
Casing is set at the top of one end, and threaded rod, the bottom installation activity plate of the threaded rod, the activity are installed in the inside of described sleeve pipe
Groove is arranged in the inside of plate, and fixed plate is arranged in the lower section of the movable plate, and crossbeam is arranged in the other side of the test fixture, described
Sliding slot is arranged in the inside of crossbeam.
Preferably, it is moved to allow movable plate to be stuck on crossbeam by groove so that movable plate stability is more preferable, institute
Match specifications between groove and crossbeam are stated, and are movably connected between movable plate and the sliding slot.
Preferably, in order to allow the circuit of detected element to pass through threading opening and the first lug plate and the second lug plate company
It connects, is set in parallel between first lug plate and the second lug plate, and two groups are in symmetrically to set between lug plate and threading opening
It sets.
Preferably, in order to allow casing, threaded rod is driven and moves up and down in the rotation, the inner wall of described sleeve pipe
With threaded rod match specifications, and between threaded rod and described sleeve pipe in rotation connection.
Preferably, in order to make fixture block can effectively prevent baffle decline distance it is long, limit the decline of baffle, it is described
The perforation of the top setting strip of protective cover, the equal length of perforation and baffle, and the length of the fixture block is more than perforation
Length.
Preferably, in order to make the parallel top with test fixture of rocking bar and be of an L-shaped structure to facilitate rotation, and threaded rod peace
The service life is longer inside crossbeam, and the rocking bar is of an L-shaped structure, and is set in parallel between the rocking bar and test fixture
It sets, and threaded rod is connected across crossbeam with movable plate.
Compared with prior art, the utility model has the beneficial effects that：
1, by the front installation protective cover in test fixture, the top installation of protective cover can be with movable baffle, baffle
It can pull open upwards, expose threading opening, it would be desirable to which the resistive element of test is connected on the first lug plate, and test equipment is connected
To resistance test, the first lug plate and the second lug plate can be carried out between the movable plate and fixed plate at the test fixture back side
With work so that the tooling testing efficiency is got higher, and protective cover can effectively prevent the environment such as extraneous temperature and humidity
Influence resistance test so that when test fixture test resistance more it is accurate but.
2, the utility model is simple in structure, and connection is compact, by being also provided with connecting groove, connecting groove at the back side of test fixture
Middle part crossbeam is set, crossbeam both sides are respectively provided with the sliding slot of connection, and two pieces of movable plates are installed inside sliding slot, are connected at the top of movable plate
The threaded rod connect passes through the casing at the top of test fixture, therefore casing can be driven to rotate when rotating rocker, and casing can be with
So that threaded rod moves up and down, rocking bar can be used to which the positive and negative electrode of tester to be connected between movable plate and fixed plate
Elevating screw thread bar fastens positive and negative anodes so that is connected between tester and test fixture more stable and firm.
Description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the wiring slot structure schematic diagram of the utility model.
Fig. 3 is the beam structure schematic diagram of the utility model.
Fig. 4 is the movable plate mounting structure schematic diagram of the utility model.
In figure：1, test fixture；2, protective cover；3, threading opening；4, baffle；5, fixture block；6, casing；7, threaded rod；8, it shakes
Bar；9, connecting groove；10, the first lug plate；11, the second lug plate；12, movable plate；13, sliding slot；14, fixed plate；15, crossbeam；
16, groove.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment 1
It please refers to Fig.1 shown in -4, a kind of resistance test tooling for SCR assemblies, including test fixture 1, test fixture 1
One end protective cover 2 is set, threading opening 3 is arranged in the outer wall of protective cover 2, and baffle 4, the top of baffle 4 are installed in the top of protective cover 2
Fixture block 5 is set, and connecting groove 9 is arranged in the inside of protective cover 2, and the first lug plate 10, the first lug plate 10 is arranged in the inside of connecting groove 9
Side the second lug plate 11 is set, casing 6 is set at the top of the other end of test fixture 1, threaded rod 7 is installed in the inside of casing 6,
Groove 16 is arranged in the inside of the bottom installation activity plate 12 of threaded rod 7, movable plate 12, and fixed plate is arranged in the lower section of movable plate 12
14, crossbeam 15 is arranged in the other side of test fixture 1, and sliding slot 13 is arranged in the inside of crossbeam 15, and one end equipped with connecting groove 9 is used for connecting
Detected element is connect, the back side of test fixture is used for connecting test instrument, and protective cover 2 can completely cut off between junction and external environment
Contact, avoid external temperature and humidity influence test as a result, and baffle 4 can extract protective cover 2 out so that connection is more
Add conveniently.
Embodiment 2
In addition, referring to Fig.1-4, difference and above-described embodiment 1, match specifications between groove 16 and crossbeam 15, and activity
It is movably connected between plate 12 and sliding slot 13, is moved to allow movable plate 12 to be stuck on crossbeam 15 by groove 16 so that
12 stability of movable plate is more preferable, is set in parallel between the first lug plate 10 and the second lug plate 11, and two groups of lug plates with wear
It is symmetrical set between line mouth 3, to allow the circuit of detected element to be connect with the first lug plate 10 and second across threading opening 3
Line piece 11 connects, inner wall and 7 match specifications of threaded rod of casing 6, and in rotation connection between threaded rod 7 and casing 6, thus
Alloing casing 6, threaded rod 7 is driven and moves up and down in the rotation, and the perforation of the top setting strip of protective cover 2 is worn
The equal length in hole and baffle 4, and the length of fixture block 5 is more than the length of perforation, to make fixture block 5 can effectively prevent baffle
The distance of 4 declines is long, limits the decline of baffle 4, and rocking bar 8 is of an L-shaped structure, and is set in parallel between rocking bar 8 and test fixture 1
It sets, and threaded rod 7 is connected across crossbeam 15 with movable plate 12, to keep rocking bar 8 parallel with the top of test fixture 1 and in L
Type structure facilitates rotation, and the service life is longer mounted on 15 inside of crossbeam for threaded rod 7.
When the utility model is used, first, baffle 4 will be drawn upwardly out, the positive and negative anodes of detected element conducting wire are mounted on
On first lug plate 10, when needing while testing two elements, need after using the second connection sheet 11, connection to finish, weight
It is new to be inserted into baffle 4, threading opening 3 is covered, then the conducting wire of test equipment is connected to the back side of test fixture 1, first rotation counterclockwise
Rocking bar 8 so that casing 6 rotates counterclockwise, and drives threaded rod 7 to move up so that movable plate 12 moves up, just by conducting wire
Cathode is individually positioned between movable plate 12 and fixed plate 14, rotates clockwise rocking bar 8 so that movable plate 12 clamps test equipment
Positive and negative anodes, you can complete the connection of circuit, finally to element carry out resistance test.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of resistance test tooling for SCR assemblies, including test fixture (1), it is characterised in that：The test fixture
(1) one end setting protective cover (2), the outer wall setting threading opening (3) of the protective cover (2), the top peace of the protective cover (2)
Baffle (4) is filled, connecting groove (9) is arranged in the inside of the top setting fixture block (5) of the baffle (4), the protective cover (2), described
The first lug plate (10) is arranged in the inside of connecting groove (9), and the second lug plate (11) is arranged in the side of first lug plate (10),
Setting casing (6) at the top of the other end of the test fixture (1), the inside installation threaded rod (7) of described sleeve pipe (6), the spiral shell
The bottom installation activity plate (12) of rasp bar (7), the inside setting groove (16) of the movable plate (12), the movable plate (12)
Fixed plate (14), the other side setting crossbeam (15) of the test fixture (1), the inside setting of the crossbeam (15) is arranged in lower section
Sliding slot (13).
2. a kind of resistance test tooling for SCR assemblies according to claim 1, it is characterised in that：The groove
(16) match specifications between crossbeam (15), and be movably connected between movable plate (12) and the sliding slot (13).
3. a kind of resistance test tooling for SCR assemblies according to claim 1, it is characterised in that：Described first connects
It is set in parallel between line piece (10) and the second lug plate (11), and is symmetrical set between two groups of lug plates and threading opening (3).
4. a kind of resistance test tooling for SCR assemblies according to claim 1, it is characterised in that：Described sleeve pipe (6)
Inner wall and threaded rod (7) match specifications, and in being rotatablely connected between threaded rod (7) and described sleeve pipe (6).
5. a kind of resistance test tooling for SCR assemblies according to claim 1, it is characterised in that：The protective cover
(2) perforation of top setting strip, the equal length of perforation and baffle (4), and the length of the fixture block (5) is more than perforation
Length.
6. a kind of resistance test tooling for SCR assemblies according to claim 1, it is characterised in that：Described sleeve pipe (6)
On be provided with rocking bar (8), the rocking bar (8) is of an L-shaped structure, and is set in parallel between the rocking bar (8) and test fixture (1)
It sets, and threaded rod (7) is connected across crossbeam (15) with movable plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820111010.6U CN207832895U (en) | 2018-01-23 | 2018-01-23 | A kind of resistance test tooling for SCR assemblies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820111010.6U CN207832895U (en) | 2018-01-23 | 2018-01-23 | A kind of resistance test tooling for SCR assemblies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207832895U true CN207832895U (en) | 2018-09-07 |
Family
ID=63394208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820111010.6U Active CN207832895U (en) | 2018-01-23 | 2018-01-23 | A kind of resistance test tooling for SCR assemblies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207832895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187181A (en) * | 2019-06-30 | 2019-08-30 | 潍柴动力股份有限公司 | A kind of resistor detection method and device |
-
2018
- 2018-01-23 CN CN201820111010.6U patent/CN207832895U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187181A (en) * | 2019-06-30 | 2019-08-30 | 潍柴动力股份有限公司 | A kind of resistor detection method and device |
| CN110187181B (en) * | 2019-06-30 | 2022-03-01 | 潍柴动力股份有限公司 | Resistance detection method and device |
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