CN206171179U - Rotational speed survey device - Google Patents
Rotational speed survey device Download PDFInfo
- Publication number
- CN206171179U CN206171179U CN201621170086.3U CN201621170086U CN206171179U CN 206171179 U CN206171179 U CN 206171179U CN 201621170086 U CN201621170086 U CN 201621170086U CN 206171179 U CN206171179 U CN 206171179U
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- Prior art keywords
- speed
- ring
- universal joint
- tests
- shell
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Abstract
The utility model discloses a rotational speed survey device, including the car transmission shaft, the tip of car transmission shaft is equipped with the universal joint, and the universal joint the axle alternate to the inner chamber of gearbox, install this speed sensor on universal joint or the transmission shaft, and connecting piece fixed mounting is passed through on epaxial frame of automobile transmission or gearbox lateral wall in the top of speed sensor. Detect the shell and constitute by two mutual spiro unions of semicircular subassembly with the ring that tests the speed, the installation of the speed sensor of being convenient for like this, the ring fastening that only needs to test the speed is installed on universal joint or transmission shaft, will detect outer shell again and can use outside encircling in testing the speed. Through installing the speed sensor on the universal joint or on the transmission shaft, can conveniently be under construction, the volume of adopting accuracy reduces wearing and tearing and then extension equipment life to can not influence former vehicle each item performance index, can not execute rules because of increasing the speed sensor yet.
Description
Technical field
This utility model is related to rotating speed determination techniques field, specially a kind of rotational speed detecting device.
Background technology
With the improvement of people's living standards, applying for vehicle is increasingly wider in people's life, in the process of moving, speed
Rate and distance are a kind of very important information.Use of many equipment by collection these information to vehicle is planned or increased
Plus new purposes.All standard configuration has speedometer and mileometer on currently all vehicle, can play a part of certain exhibition information,
But for some equipment for newly installing additional need accurate acquisition tach signal, vehicle driver is often without authorization to former car signal
Circuit is modified, and interferes for the signal of former signals of vehicles and new equipment is easily caused, misalignment, and violates automobile factory
The circuit and technique standard and criterion of business's initial design.At this moment it is a reasonable solution to install a third-party speed measuring device additional
Certainly scheme.
The very perfect device of measuring vehicle speed also neither one of new oil (gas) filling device is applied to at present can reliably be solved.It is main
The device of vehicle speed measuring is directed to, is had mostly at present following several：1st, speed measuring device is installed in change speed gear box, the installation
Mode causes installation process excessively loaded down with trivial details, and can affect vehicle integrity, and relatively costly difficulty is larger, and auto vendor is necessary
Output hole position is reserved on former change speed gear box.2nd, on brake disc, the mounting means is due to magnetic material using meeting to ABS
Brake system produces impact, in turn results in great risk；3rd, on wheel hub, the mounting means can be to the counterweight of automotive wheel
Impact is produced, the dynamic balancing of vehicle is not met.4th, to the broken line of former car signal line, original car signal is shared, but this mode one is
Violate automotive engineering specification, two is due to rate signal while being also used for the ABS brake anti-blocking systems and vehicle of vehicle
Dynamic stabilization system, line is broken without authorization has in itself huge potential safety hazard to vehicle, while the collection to new equipment signal is accurate
Degree has uncertainty.
Utility model content
The purpose of this utility model is to provide a kind of rotational speed detecting device, to solve above-mentioned background technology in propose ask
Topic.
For achieving the above object, this utility model provides following technical scheme：A kind of rotational speed detecting device, including automobile biography
Moving axis, the end of the truck drive shaft is provided with universal joint, and the axle of universal joint interts to the inner chamber of change speed gear box, the universal joint
On speed measuring device is installed, and the top of speed measuring device is fixedly mounted on the lateral wall of change speed gear box by connector；
The speed measuring device includes detection shell, and the detection shell is two semicircular shells, and two semicircle shells
Screw fastening in the screw that body is opened up by junction is fastened, and the drive groove of annular is left in the middle part of the detection shell,
And the ring that tests the speed is installed in drive groove, more than the ring that tests the speed, the ring that tests the speed is two semi-circular snap rings to the width of drive groove,
And the trip bolt in the installing hole that opened up by junction of two semi-circular snap rings is interlocked, the ring fastening of testing the speed is socketed on
On universal joint, and the ring that tests the speed leaves gap with the inwall of detection shell, and one end of the detection shell is installed with fixed seat,
And fixed seat and connector bolt, another semicircle housing of the detection shell is provided with detection probe, outside the detection
The inwall of shell offers telltale hole, and the lateral wall of the ring that tests the speed is installed with signal scanning point, and the detection probe is by electricity
Conductor is connected with the control terminal in the external world.
Preferably, the ring inner ring surface that tests the speed is installed with skid resistant course.
Preferably, the detection shell is a semicircular housing, and detects that fixed hole position is left in the outside of shell, institute
The outside for stating detection shell is provided with detection probe.
Compared with prior art, the beneficial effects of the utility model are：The rotational speed detecting device, by the way that speed measuring device is pacified
Loaded on universal joint, because universal joint only keeps rotating in vehicle travel process, can't twist, detection can be kept
Shell and the distance between the ring that tests the speed, reduce the abrasion caused because of equipment frictional impact and further increase the service life；Detection is outer
Shell is mutually spirally connected composition with the ring that tests the speed by two semicircular components, such to design the installation for being easy to speed measuring device, is only needed
The ring that will test the speed is securedly mounted on universal joint, then will detection casing on be fixed on vehicle frame or gear-box side wall on by make
With it is very convenient to install, and does not interfere with the original any data of vehicle, also will not touch because increasing speed measuring device
Violate the law rule, and the accuracy of signal can be ensured.
Description of the drawings
Fig. 1 is this utility model structural representation；
Fig. 2 is detection shell schematic diagram I of the present utility model；
Fig. 3 is detection shell schematic diagram II of the present utility model；
Fig. 4 is this utility model detection shell and the ring assembly relation schematic diagram that tests the speed；
Fig. 5 is the schematical top view of this utility model second embodiment；
Fig. 6 tests the speed ring structure schematic diagram for this utility model；
Fig. 7 is the schematic enlarged-scale view at this utility model A；
Fig. 8 is this utility model and major axis truck drive shaft assembly relation schematic diagram.
In figure：1 truck drive shaft, 2 universal joints, 3 change speed gear boxes, 4 speed measuring devices, 41 detection shells, 42 screws, 43 drivings are recessed
Groove, 44 test the speed ring, 45 installing holes, 46 trip bolts, 47 fixed seats, 48 detection probe, 49 telltale holes, 410 signal scanning points,
411 fixed hole positions, 5 connectors.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Embodiment 1
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 6, Fig. 7 and Fig. 8 are referred to, this utility model provides the first technical scheme：It is a kind of
Rotational speed detecting device, including truck drive shaft 1, the end of the truck drive shaft 1 is provided with universal joint 2, and the axle of universal joint 2 is worn
The inner chamber of change speed gear box 3 is inserted to, speed measuring device 4 is installed on the universal joint 2, and the top of speed measuring device 4 is solid by connector 5
Surely it is connected on the lateral wall of change speed gear box 3, by the way that speed measuring device 4 is installed on universal joint 2, abrasion can be reduced and then extended
Service life；For another type of belt drive changes the installation site of speed measuring device 4, other are constant, as shown in figure 8, can be with
Speed measuring device 4 is fixedly mounted on into universal joint 2 to fix on the power transmission shaft 1 for rotating near the side of change speed gear box.
The speed measuring device 4 includes detection shell 41, described to detect shell 41 for two semicircular shells, and two semicircles
Shape housing is fastened by the interior screw fastening being spirally connected of screw 42 that junction opens up, and annular is left at the middle part of the detection shell 41
Drive groove 43, and the ring 44 that tests the speed is installed in drive groove 43, the width of drive groove 43 is more than the ring 44, Bu Huijie that tests the speed
Touch and ensure the effect for reaching parcel again, the ring 44 that tests the speed is two semi-circular snap rings, and two semi-circular snap rings are by connection
The trip bolt 46 being spirally connected in the installing hole 45 that place opens up is interlocked, and drive groove 43 coordinates with the ring 44 that tests the speed, the design of groove
The ring 44 that will can test the speed is fully wrapped around, and can to a certain extent prevent dust and soil is splashing on equipment interference Instrument just
Often work；The fastening of ring 44 of testing the speed is socketed on universal joint 2, and the ring 44 that tests the speed leaves gap with the inwall of detection shell 41,
One end of the detection shell 41 is installed with fixed seat 47, and fixed seat 47 is connected with connector 5, the detection shell
41 another semicircle housing is provided with detection probe 48, and the inwall of the detection shell 41 offers telltale hole 49, and tests the speed
The lateral wall of ring 44 is installed with signal scanning point 410, and the detection probe 48 is by electric conductor and extraneous control terminal
Connection.Detection shell 41 and the ring 44 that tests the speed mutually are spirally connected the design of composition by two semicircular components, are easy to this practicality newly
The installation of type, the ring 44 that only will need to test the speed is securedly mounted on universal joint 2, then detection shell 41 is put and is fixed on vehicle frame i.e.
Can use, it is very convenient to install and remove, and not interfere with any data of vehicle inspection, also will not survey because increasing
Speed variator and offend regulation.
Embodiment 2
Fig. 1, Fig. 5, Fig. 6, Fig. 7 and Fig. 8 are referred to, this utility model provides two kinds of technical schemes：Detect the another of shell 41
A kind of replacement scheme, the detection shell 41 is a semicircular housing, and detects that fixed hole position is left in the outside of shell 41
411, the outside of the detection shell 41 is provided with detection probe 48, and external fixed plate or some other fixing device can be with
It is used for fixed installation detection shell 41 at fixed hole position 411.Other are identical with the other structures in embodiment 1, should
Replacement scheme is a semicircular housing due to detecting shell 41, is easily installed and fixes, while more material-saving.
In order to ensure test the speed ring 44 and axletree synchronous axial system, there is the phenomenon of stalling and affects the knot that tests the speed in the ring 44 that prevents from testing the speed
Really, the inner ring surface of ring 44 that tests the speed is installed with skid resistant course.
Operation principle of the present utility model：The rotational speed detecting device first will test the speed ring 44 fastening be buckled in universal joint 2 or
On the power transmission shaft 1 of change speed gear box side, the side surface of ring 44 that tests the speed is provided with skid resistant course and prevents the phenomenons such as idle running universal joint 2, even
The end of extension bar 5 will detect shell 41 snapping closely and the ring 44 that will test the speed is placed in drive groove 43, drive groove 43 with test the speed
Ring 44 coordinates, and the design of the groove ring 44 that will can test the speed is fully wrapped around, can to a certain extent prevent dust and soil
Splash interference Instrument normal work on equipment；During running car, the ring 44 that tests the speed can turn with the rotation of rotary shaft 1
It is dynamic, and then geo-stationary is motionless to be fixedly mounted on the detection shell 41 in connecting rod 5, and detection probe 48 is connected to into vehicle-mounted control
Terminal processed, by detection probe 48 detection signal is sent, will when telltale hole 49 is relative with the position of signal scanning point 410 upper
Once recorded, and then calculated rotating speed, more produce under steam effective can be learnt by the rotating speed for calculating
Data, more convenient to use, in addition universal joint 2 or the power transmission shaft 1 near change speed gear box side are to twist, will
Speed measuring device 4 is arranged on herein, it is ensured that test the speed ring 44 and the distance of the detection support of shell 41 are relatively fixed, and greatly reduce
Equipment loss situation, and it is of the present utility model install do not interfere with automobile self performance and use, more will not be because of installation
The device and offend regulation, install also relative ease.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of rotational speed detecting device, including truck drive shaft (1), it is characterised in that：The end of the truck drive shaft (1) sets
There is universal joint (2), and the axle of universal joint (2) interts to the inner chamber of change speed gear box (3), and on the universal joint (2) dress that tests the speed is provided with
Put (4), and the top of speed measuring device (4) is fixedly mounted on the lateral wall of change speed gear box (3) by connector (5)；
The speed measuring device (4) includes detection shell (41), and detection shell (41) is two semicircular shells, and two and half
Screw fastening in the screw (42) that circular shell is opened up by junction is fastened, and in the middle part of detection shell (41) ring is left
The ring that tests the speed (44) is installed in the drive groove (43) of shape, and drive groove (43), the width of drive groove (43) is more than testing the speed
Ring (44), the ring that tests the speed (44) is two semi-circular snap rings, and the installing hole that two semi-circular snap rings are opened up by junction
(45) trip bolt (46) in is interlocked, and the ring that tests the speed (44) fastening is socketed on universal joint (2), and the ring that tests the speed (44) with
The inwall of detection shell (41) leaves gap, and one end of the detection shell (41) is installed with fixed seat (47), and fixed
Seat (47) is connected with connector (5), and another semicircle housing of detection shell (41) is provided with detection probe (48), institute
The inwall for stating detection shell (41) offers telltale hole (49), and the lateral wall of the ring that tests the speed (44) is installed with signal scanning point
(410), the detection probe (48) is connected by electric conductor with the control terminal in the external world.
2. a kind of rotational speed detecting device according to claim 1, it is characterised in that：The ring that tests the speed (44) inner ring surface is solid
Dingan County is equipped with skid resistant course.
3. a kind of rotational speed detecting device according to claim 1, it is characterised in that：Detection shell (41) is one and half
Circular housing, and detect that fixed hole position (411) is left in the outside of shell (41), the outside of detection shell (41) is provided with
Detection probe (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621170086.3U CN206171179U (en) | 2016-11-02 | 2016-11-02 | Rotational speed survey device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621170086.3U CN206171179U (en) | 2016-11-02 | 2016-11-02 | Rotational speed survey device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206171179U true CN206171179U (en) | 2017-05-17 |
Family
ID=58679931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621170086.3U Expired - Fee Related CN206171179U (en) | 2016-11-02 | 2016-11-02 | Rotational speed survey device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206171179U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152523A (en) * | 2017-12-17 | 2018-06-12 | 斯凯伦动力设备科技（兴化）有限公司 | A kind of automobile auxiliary power unit transmission shaft detection device |
| CN110116892A (en) * | 2019-05-15 | 2019-08-13 | 中国矿业大学 | A kind of driving device for drag conveyor malfunction monitoring early warning system and method |
| CN110456336A (en) * | 2019-07-23 | 2019-11-15 | 安徽智立通科技股份有限公司 | A kind of radar velocity measurement device with laterally overturning installing mechanism |
-
2016
- 2016-11-02 CN CN201621170086.3U patent/CN206171179U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152523A (en) * | 2017-12-17 | 2018-06-12 | 斯凯伦动力设备科技（兴化）有限公司 | A kind of automobile auxiliary power unit transmission shaft detection device |
| CN110116892A (en) * | 2019-05-15 | 2019-08-13 | 中国矿业大学 | A kind of driving device for drag conveyor malfunction monitoring early warning system and method |
| CN110456336A (en) * | 2019-07-23 | 2019-11-15 | 安徽智立通科技股份有限公司 | A kind of radar velocity measurement device with laterally overturning installing mechanism |
| CN110456336B (en) * | 2019-07-23 | 2021-12-21 | 安徽智立通科技股份有限公司 | Radar speed measuring device with horizontal upset installation mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20211102 |