CN210803584U - Contact resistance detection auxiliary tool for coupler connector of rail transit vehicle - Google Patents
Contact resistance detection auxiliary tool for coupler connector of rail transit vehicle Download PDFInfo
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- CN210803584U CN210803584U CN201921547020.5U CN201921547020U CN210803584U CN 210803584 U CN210803584 U CN 210803584U CN 201921547020 U CN201921547020 U CN 201921547020U CN 210803584 U CN210803584 U CN 210803584U
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Abstract
The utility model discloses a rail transit car coupler connector contact resistance detects auxiliary fixtures solves prior art contact pin installation and dismantles loaded down with trivial details consuming time, inefficiency to and the easy landing of contact and the problem on fish tail contact pin surface. Contact resistance detects auxiliary fixtures includes mounting panel, fixed baseplate, adjustable base, dog, fixing bolt, reference column, fixed contact spliced eye, mounting panel screw thread blind hole, fixed baseplate screw thread through-hole, dovetail guide post, the groove of stepping down, dog through-hole, mounting panel blind hole, moving contact spliced eye. The utility model discloses can effectively improve the installation and the dismantlement efficiency of deciding contact and moving contact, the installation is less with the dismantlement action, uses portable contact pin disect insertion and extracts base (fixed baseplate, adjustable base), and the guide effect that utilizes the dovetail guide post only has longitudinal movement's degree of freedom when guaranteeing the frock and use, shortens the time of installation and dismantlement greatly, and the installation and dismantlement only need 40s, and efficiency promotes 4 times earlier.
Description
Technical Field
The utility model relates to a rail transit car coupler connector contact resistance detects auxiliary fixtures.
Background
The contact piece that rail transit car, especially EMUs/subway first car that its coupling connector used mostly contains portable contact pin or elastic contact pin, and its contact resistance test is must and key point, when contact resistance detects, current contact resistance detects auxiliary fixtures and dismantles the process complicated, and it is long that the field work consumes time to change contact pin step loaded down with trivial details and lead to, efficiency is lower, and the installation and the time required of dismantling a pair of contact pin is about 160s, and the auxiliary detection tool base clamping position external diameter is great, easily makes the contact of check out test set slide and fish tail contact pin surface.
Therefore, an auxiliary tool for detecting contact resistance of a coupler connector of a rail transit vehicle is designed to simplify the steps of installing and taking out a contact pin during contact resistance detection, so that the detection efficiency of the contact resistance is improved, and the technical problem to be solved by technical personnel in the technical field is urgently needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a contact resistance of rail transit car coupler connector detects auxiliary fixtures, it is numerous and diverse to solve prior art contact resistance and detect auxiliary fixtures installation dismantlement process, and it is long, efficiency is lower to change the contact pin step loaded down with trivial details and lead to the field work to consume time, current auxiliary fixtures easily make the contact landing of check out test set and the problem on fish tail contact pin surface simultaneously.
In order to achieve the above object, the utility model adopts the following technical scheme:
the contact resistance detection auxiliary tool for the coupler connector of the rail transit vehicle comprises a mounting plate, a fixed base, an adjustable base, a stop block, fixing bolts and a positioning column, wherein a fixed contact inserting hole matched with a fixed contact is formed in the fixed base, the fixed contact is inserted into the fixed contact inserting hole and is horizontally distributed, mounting plate threaded blind holes matched with the fixing bolts are formed in two sides of one end of the mounting plate respectively, fixing base threaded through holes matched with the fixing bolts are formed in two ends of the fixed base respectively, each fixing base threaded through hole corresponds to one mounting plate threaded blind hole, and the fixed base is fixed at one end of the mounting plate by penetrating through the corresponding fixing base threaded through hole and the corresponding mounting plate threaded blind hole through two fixing bolts respectively;
a dovetail groove is formed in the center of the bottom of the adjustable base, a dovetail-shaped guide post matched with the dovetail groove is longitudinally arranged in the center of the mounting plate, the adjustable base is sleeved on the dovetail-shaped guide post through the dovetail groove, and the adjustable base can freely move in the longitudinal direction relative to the mounting plate; the bottom center of dog has seted up the groove of stepping down, the groove of stepping down movably cup joints in on the dovetail guide post, the both ends of dog seted up respectively with reference column matched with dog through-hole, seted up on the mounting panel two respectively with the dog through-hole corresponding and with reference column matched with mounting panel blind hole, the dog passes through two the reference column is worn to locate correspondingly respectively the dog through-hole with mounting panel blind hole internal fixation is in on the mounting panel, adjustable base is located the dog with between the fixed baseplate, adjustable base is last to be seted up with moving contact assorted moving contact spliced eye, the moving contact peg graft in the moving contact spliced eye is horizontal distribution, and the moving contact with the fixed contact is just to the contact mutually.
Furthermore, the fixed base is convex, the fixed contact plug hole is arranged in the center of the fixed base, and the two threaded through holes of the fixed base are respectively arranged on two step surfaces of the fixed base.
Further, the adjustable base and the stop block are both in a cuboid shape.
Further, the mounting panel is equipped with the mounting panel step, fixed baseplate is fixed in the high-order face of mounting panel step, the swallow-tail shape guide post is located the low-order face of mounting panel step.
Further, the mounting plate, the fixed base, the adjustable base, the stop block, and the positioning post are all made of SMC plastic material.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses contact resistance detects auxiliary fixtures simple structure, design scientific and reasonable, high durability and convenient use, can effectively improve the installation and the dismantlement efficiency of deciding contact and moving contact, the installation is less with the dismantlement action, and no helicitic texture, use portable contact pin disect insertion and extract base (fixed baseplate, adjustable base), utilize the guide effect of dovetail guide post simultaneously, only longitudinal movement's degree of freedom when guaranteeing the frock and using, shorten the time of installation and dismantlement greatly, a pair of deciding contact and moving contact of installation and dismantlement, only need 40s, efficiency promotes 4 times earlier.
The utility model discloses the contact resistance detects auxiliary fixtures clamping position external diameter is less, is difficult for making the contact landing of check out test set and fish tail needle surface.
The utility model discloses contact resistance detects auxiliary fixtures, whole and portable the inserting is the plastic material of SMC to the position of contact, stops completely that the metal is to inserting the influence to the contact resistance detection, and the testing result is accurate and stable effective.
The utility model discloses contact resistance detects auxiliary fixtures, portable installation of inserting to be the direct and plastic material contact of contact pin excircle surface, avoids using the screw thread damage risk that threaded connection caused, guarantees that the contact pin does not receive the damage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the schematic diagram of the structure of the installation plate of the present invention.
Fig. 3 is a schematic structural view of the stopper of the utility model.
Fig. 4 is a schematic structural view of the adjustable base of the utility model.
Fig. 5 is a schematic structural view of the fixing base of the utility model.
Wherein, the names corresponding to the reference numbers are:
1-mounting plate, 2-fixed base, 3-adjustable base, 4-baffle block, 5-fixed bolt, 6-positioning column, 7-fixed contact, 8-fixed contact plug hole, 9-dovetail guide column, 10-dovetail groove, 11-abdicating groove, 12-baffle block through hole, 13-mounting plate blind hole, 14-mounting plate threaded blind hole, 15-fixed base threaded through hole, 16-moving contact, 17-moving contact plug hole and 18-mounting plate step.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
As shown in fig. 1-5, the utility model provides a rail transit car coupler connector contact resistance detects auxiliary fixtures, moreover, the steam generator is simple in structure, design scientific and reasonable, high durability and convenient use, the installation and the dismantlement efficiency of fixed contact and moving contact can be effectively improved, the installation is less with the dismantlement action, and no helicitic texture, use portable contact pin disect insertion and extract base (fixed baseplate, adjustable base), utilize the guide effect of swallow-tail form guide post simultaneously, only longitudinal movement's degree of freedom when guaranteeing the frock and using, shorten the time of installation with the dismantlement greatly, a pair of fixed contact and moving contact are installed and dismantled, only 40s, efficiency promotes 4 times earlier. The utility model comprises a mounting plate 1, a fixed base 2, an adjustable base 3, a stop block 4, a fixing bolt 5 and a positioning column 6, wherein the fixed base 2 is provided with a fixed contact insertion hole 8 matched with a fixed contact 7, the fixed contact 7 is inserted in the fixed contact insertion hole 8 and is horizontally distributed, two mounting plate thread blind holes 14 matched with the fixing bolt 5 are respectively arranged on two sides of one end of the mounting plate 1, two ends of the fixed base 2 are respectively provided with a fixed base thread through hole 15 matched with the fixing bolt 5, each fixed base thread through hole 15 corresponds to one mounting plate thread blind hole 14, the fixed base 2 is respectively penetrated and arranged in the corresponding fixed base thread through hole 15 and the mounting plate thread blind hole 14 and is internally fixed at one end of the mounting plate 1, the fixed base 2 is convex, the fixed contact plug hole 8 is arranged in the center of the fixed base 2, and the two fixed base threaded through holes 15 are respectively arranged on two step surfaces of the fixed base 2. The adjustable base 3 and the check block 4 are both in a cuboid shape. The mounting plate 1, the fixed base 2, the adjustable base 3, the stop block 4 and the positioning column 6 are all made of SMC plastic materials.
In the utility model, a dovetail groove 10 is arranged in the center of the bottom of the adjustable base 3, a dovetail guide post 9 matched with the dovetail groove 10 is longitudinally arranged in the center of the mounting plate 1, the adjustable base 3 is sleeved on the dovetail guide post 9 through the dovetail groove 10, and the adjustable base 3 can freely move in the longitudinal direction relative to the mounting plate 1; the center of the bottom of the block 4 is provided with a abdication groove 11, the abdication groove 11 can be movably sleeved on the dovetail-shaped guide post 9, two ends of the baffle block 4 are respectively provided with a baffle block through hole 12 matched with the positioning column 6, the mounting plate 1 is provided with two mounting plate blind holes 13 which are respectively corresponding to the stop block through holes 12 and are matched with the positioning columns 6, the baffle block 4 is respectively arranged in the corresponding baffle block through hole 12 and the mounting plate blind hole 13 in a penetrating way through the two positioning columns 6 and fixed on the mounting plate 1, the adjustable base 3 is positioned between the stop block 4 and the fixed base 2, a moving contact plug hole 17 matched with a moving contact 16 is arranged on the adjustable base 3, the moving contact 16 is inserted in the moving contact insertion hole 17 and is horizontally distributed, and the moving contact 16 is in opposite contact with the fixed contact 7. The mounting plate 1 is provided with a mounting plate step 18, the fixed base 2 is fixed on the high-level surface of the mounting plate step 18, and the dovetail-shaped guide post 9 is arranged on the low-level surface of the mounting plate step 18.
The utility model discloses the contact resistance detects auxiliary fixtures clamping position external diameter is less, is difficult for making the contact landing of check out test set and fish tail needle surface. The whole movable plug is made of SMC (sheet molding compound) plastic materials at the contact position, so that the influence of metal on the contact resistance detection of the plug is completely eliminated, and the detection result is accurate, stable and effective. The installation that the portable plug was aimed at is that contact pin excircle surface is direct and plastic material contact, avoids using the screw thread damage risk that threaded connection caused, guarantees that the contact pin does not receive the damage.
The utility model also provides a rail transit car coupler connector contact resistance detects auxiliary fixtures's application method, including following step:
and step 1, fixing the fixed base to the corresponding position of the mounting plate by adopting two fixing bolts.
And 2, sequentially installing the adjustable base and the check block on the mounting plate through the dovetail-shaped guide columns, ensuring that the adjustable base is positioned between the fixed base and the check block, and enabling the adjustable base and the check block to only longitudinally move relative to the mounting plate at the moment.
And 3, horizontally inserting the fixed contact into the fixed contact inserting hole of the fixed base, horizontally inserting the movable contact into the movable contact inserting hole of the adjustable base, still clamping the abdicating groove of the stop block on the dovetail-shaped guide column in a natural state, and enabling the fixed contact and the movable contact to be opposite.
And 4, pushing the stop block to move towards the fixed base in the longitudinal direction, driving the adjustable base to move towards the fixed base by the stop block, enabling the movable contact to be abutted to the fixed contact and keeping a compression amount of 7mm, and inserting the two positioning columns into the stop block through hole and the mounting plate blind hole respectively in sequence to fix the stop block and the mounting plate at the moment, namely completing detection and installation.
And 5, after the contact resistance detection is completed, reversely operating the step 4, the step 3 and the step 2 in sequence, namely taking the fixed contact and the moving contact out of the tool and preparing for next detection and installation.
And 6, circulating the steps 2-5, and detecting, installing and taking out the rest of the contact and the moving contact to be detected in sequence.
The using method has reasonable steps and smooth and simple operation, can quickly install the fixed contact and the moving contact to the auxiliary tool for detecting the electric shock resistance, and can quickly detach the fixed contact and the moving contact from the auxiliary tool for detecting the electric shock resistance, the total installation and detachment time only needs 40s, and the method is smooth and efficient.
The utility model discloses contact resistance detects auxiliary fixtures adopts SMC plastic materials, can effectively guarantee accuracy and stability to the testing result at the detection resistance in-process. The defect that a traditional tool fixes the contact pins by means of a hexagonal rod to keep longitudinal pressure is overcome by using the particularity that the dovetail rail only has longitudinal movement freedom, the thread fixing structure is changed into a structure that the contact pins are directly inserted into and pulled out of the base, the mounting and dismounting steps are reduced, the working efficiency is greatly improved, the 160s for dismounting a pair of contact pins by the traditional tool in the field working time is shortened to 40s, and the efficiency is improved by 4 times. The utility model discloses contact resistance detects auxiliary fixtures can reduce dismouting operating time by a wide margin, is showing and promotes on-the-spot work efficiency, and the accuracy and the stability of testing result more can be ensured simultaneously.
The utility model discloses contact resistance detects auxiliary fixtures's mounting panel is for bearing the weight of the effect, and fixing bolt is the use of fastening position, and fixed baseplate and adjustable base are used for respectively for the installation and the location of deciding contact and moving contact, and dog and reference column then are the part of guaranteeing 7mm compression capacity, and the reference column still has the convenient effect of installation/dismantlement simultaneously.
When the contact resistance detection auxiliary tool is used, (one) the fixed base is directly fixed on the mounting plate by two fixing bolts, and the mounting and the dismounting are not needed any more; secondly, the adjustable base and the stop block are directly arranged on the dovetail-shaped guide column, so that the adjustable base and the stop block can only move longitudinally; thirdly, the fixed contact pins are directly inserted into the fixed base, the moving contact pins are inserted into the adjustable base, and the stop blocks are still on the dovetail-shaped guide columns in a natural state; pushing the stop block and the adjustable base to compress the moving contact pin, keeping a certain longitudinal pressure, and directly inserting 2 positioning columns into corresponding holes of the stop block and the mounting plate, namely ensuring the compression amount of 7 mm; and (V) after the detection is finished, the reverse operation (four) - (two) is the dismounting process, the subsequent pin mounting only needs to be carried out in the steps (two) - (four), and the time required for mounting and dismounting a pair of pins is about 40 s.
The utility model discloses can smoothly and efficiently will decide contact and moving contact and install and dismantle on contact resistance detects the auxiliary tool, compare prior art, its efficiency can improve 4 times, can also form the protection to deciding contact and moving contact simultaneously, prevent contact landing and fish tail needle surface, still can effectively ensure that the testing result is accurate, stable effective. The practicability is strong, and the method is suitable for being widely popularized and applied in the technical field.
The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.
Claims (5)
1. The contact resistance detection auxiliary tool for the coupler connector of the rail transit vehicle is characterized by comprising a mounting plate (1), a fixed base (2), an adjustable base (3), a stop block (4), a fixing bolt (5) and a positioning column (6), wherein a fixed contact inserting hole (8) matched with a fixed contact (7) is formed in the fixed base (2), the fixed contact (7) is inserted into the fixed contact inserting hole (8) and is horizontally distributed, mounting plate threaded blind holes (14) matched with the fixing bolt (5) are respectively formed in two sides of one end of the mounting plate (1), fixing base threaded through holes (15) matched with the fixing bolt (5) are respectively formed in two ends of the fixed base (2), each fixing base threaded through hole (15) corresponds to one mounting plate threaded blind hole (14), the fixed base (2) is respectively arranged in the corresponding fixed base thread through hole (15) and the corresponding mounting plate thread blind hole (14) in a penetrating manner through the two fixed bolts (5) and is fixed at one end of the mounting plate (1);
a dovetail groove (10) is formed in the center of the bottom of the adjustable base (3), a dovetail-shaped guide post (9) matched with the dovetail groove (10) is longitudinally arranged in the center of the mounting plate (1), the adjustable base (3) is sleeved on the dovetail-shaped guide post (9) through the dovetail groove (10), and the adjustable base (3) can freely move in the longitudinal direction relative to the mounting plate (1); a yielding groove (11) is formed in the center of the bottom of the stop block (4), the yielding groove (11) is movably sleeved on the dovetail-shaped guide post (9), stop block through holes (12) matched with the positioning posts (6) are formed in two ends of the stop block (4) respectively, two mounting plate blind holes (13) corresponding to the stop block through holes (12) and matched with the positioning posts (6) are formed in the mounting plate (1), the stop block (4) is fixed on the mounting plate (1) through the two positioning posts (6) penetrating through the corresponding stop block through holes (12) and the mounting plate blind holes (13), the adjustable base (3) is located between the stop block (4) and the fixed base (2), and a moving contact inserting hole (17) matched with the moving contact (16) is formed in the adjustable base (3), the moving contact (16) is inserted in the moving contact insertion hole (17) and is horizontally distributed, and the moving contact (16) is in opposite contact with the fixed contact (7).
2. The contact resistance detection auxiliary tool for the coupler connector of the rail transit vehicle as claimed in claim 1, wherein the fixed base (2) is convex, the fixed contact insertion hole (8) is formed in the center of the fixed base (2), and the two threaded through holes (15) of the fixed base are respectively arranged on two step surfaces of the fixed base (2).
3. The contact resistance detection auxiliary tool for the coupler connector of the rail transit vehicle as claimed in claim 1, wherein the adjustable base (3) and the stopper (4) are both in a cuboid shape.
4. The contact resistance detection auxiliary tool for the coupler connector of the rail transit vehicle as claimed in any one of claims 1 to 3, wherein the mounting plate (1) is provided with a mounting plate step (18), the fixing base (2) is fixed to a high-level surface of the mounting plate step (18), and the dovetail-shaped guide post (9) is arranged on a low-level surface of the mounting plate step (18).
5. The contact resistance detection auxiliary tool for the coupler connector of the rail transit vehicle as claimed in claim 1, wherein the mounting plate (1), the fixed base (2), the adjustable base (3), the stopper (4) and the positioning post (6) are all made of SMC plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921547020.5U CN210803584U (en) | 2019-09-17 | 2019-09-17 | Contact resistance detection auxiliary tool for coupler connector of rail transit vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921547020.5U CN210803584U (en) | 2019-09-17 | 2019-09-17 | Contact resistance detection auxiliary tool for coupler connector of rail transit vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN210803584U true CN210803584U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921547020.5U Active CN210803584U (en) | 2019-09-17 | 2019-09-17 | Contact resistance detection auxiliary tool for coupler connector of rail transit vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542795A (en) * | 2019-09-17 | 2019-12-06 | 资阳中车电气科技有限公司 | Contact resistance detection auxiliary tool for coupler connector of rail transit vehicle and using method |
-
2019
- 2019-09-17 CN CN201921547020.5U patent/CN210803584U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542795A (en) * | 2019-09-17 | 2019-12-06 | 资阳中车电气科技有限公司 | Contact resistance detection auxiliary tool for coupler connector of rail transit vehicle and using method |
| CN110542795B (en) * | 2019-09-17 | 2024-02-13 | 资阳中车电气科技有限公司 | Auxiliary tool for detecting contact resistance of coupler connector of rail transit vehicle and application method |
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