CN206847802U - High power gas main bearing of engine temperature-detecting device - Google Patents

High power gas main bearing of engine temperature-detecting device Download PDF

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Publication number
CN206847802U
CN206847802U CN201720244993.6U CN201720244993U CN206847802U CN 206847802 U CN206847802 U CN 206847802U CN 201720244993 U CN201720244993 U CN 201720244993U CN 206847802 U CN206847802 U CN 206847802U
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CN
China
Prior art keywords
segment
wire harness
detecting
main bearing
leading
Prior art date
Application number
CN201720244993.6U
Other languages
Chinese (zh)
Inventor
张桂荣
唐靖
余建发
赵禄奇
郭庆
周德华
Original Assignee
重庆潍柴发动机有限公司
潍柴重机股份有限公司
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Application filed by 重庆潍柴发动机有限公司, 潍柴重机股份有限公司 filed Critical 重庆潍柴发动机有限公司
Priority to CN201720244993.6U priority Critical patent/CN206847802U/en
Application granted granted Critical
Publication of CN206847802U publication Critical patent/CN206847802U/en

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Abstract

The utility model discloses a kind of high power gas main bearing of engine temperature-detecting device, including temperature sensor and the mounting hole being arranged in main beating cap, mounting hole includes the path section positioned at inner side and the internal thread segment positioned at outside, central diameter section is provided between path section and internal thread segment, the internal diameter of path section is less than the internal diameter of central diameter section;Temperature sensor includes leading portion and back segment, and sensor wire harness is connected with back segment;The external diameter of leading portion is more than the external diameter of back segment, leading portion is arranged in path section and is engaged with base bearing, and leading portion is stretched into central diameter section, the connecting tube being sleeved on leading portion is provided with central diameter section, connecting tube is provided with the closing in coordinated with back segment close to one end of internal thread hole, and the precompression spring being sleeved on back segment is provided with connecting tube;Coordinate with its screw thread in internal thread segment be provided be sleeved on sensor wire harness and with the locking nut of the spacing cooperation of connecting tube.

Description

High power gas main bearing of engine temperature-detecting device

Technical field

The utility model belongs to technical field of temperature measurement, is specifically related to a kind of high power gas main bearing of engine temperature Spend detection means.

Background technology

Natural gas is a kind of clean fuel, and the gas engine using liquefied natural gas as fuel, which has, discharges low, economy Property the advantage such as good.With construction of the country to facilities such as the continuous rises of emission request and gas station, gas engine is increasingly Paid close attention to by user.Although gas engine has many benefits than traditional fuel engines, it sends out compared to fuel oil Motivation also has higher safety requirements.Present various countries have many enforceable to the safety and reliability of gas engine It is required that wherein just there is the requirement of installation base bearing temperature detection or oil mist detector.The use of oil mist detector at present is not also Very universal, price is also higher, and temperature detection is then a kind of very conventional detection technique, but temperature inspection on the market at present It is conventional design to survey device, it is impossible to meets the base bearing temperature of the relative complex engine crankcase of detection environment well Detection demand.

The content of the invention

In view of this, the purpose of this utility model is to provide a kind of high power gas main bearing of engine temperature detection dress Put, there is the advantages of simple in construction, easy for installation, cost is low and safe and reliable.

To reach above-mentioned purpose, the utility model provides following technical scheme:

A kind of high power gas main bearing of engine temperature-detecting device, including temperature sensor and it is arranged on main beating cap On mounting hole, the mounting hole includes the path section positioned at inner side and the internal thread segment positioned at outside, the path section and interior Central diameter section is provided between thread segment, the internal diameter of the path section is less than the internal diameter of the central diameter section;The temperature sensor includes Leading portion and back segment, sensor wire harness is connected with the back segment;The external diameter of the leading portion is more than the external diameter of the back segment, described Leading portion is arranged in the path section and is engaged with base bearing, and the leading portion is stretched into the central diameter section, described The connecting tube being sleeved on the leading portion is provided with central diameter section, the connecting tube is provided with and institute close to one end of the internal thread segment The closing in of back segment cooperation is stated, and the precompression spring being sleeved on the back segment is provided with the connecting tube;The internal thread segment It is interior coordinate with its screw thread be provided be sleeved on the sensor wire harness and with the locking nut of the spacing cooperation of the connecting tube.

Further, the locking nut is provided with backwards to one end of the temperature sensor locks external screw thread, outside the locking Screw thread is provided with the cutting ferrule nut being sleeved on the sensor wire harness, is provided between the cutting ferrule nut and the locking nut Cutting ferrule.

Further, the axis of the mounting hole is located at base bearing in the radial direction.

Further, in addition to the wire harness fixing hole that is arranged on engine body, the sensor wire harness extend through institute Electrically connected after stating wire harness fixing hole with temperature detection ECU.

Further, set is equiped with spool on the sensor wire harness.

Further, the hollow bolt being sleeved on the spool is provided with the wire harness fixing hole, on the hollow bolt Set is equiped with the stop collar with being located in the wire harness fixing hole, and one end of the hollow bolt is provided with and the stop collar limits The spacing head that position coordinates, and be additionally provided with the hollow bolt for the stop collar to be pressed abd fixed on the spacing head Nut, and the stop collar other end relative with the spacing head is provided with external diameter and is more than the spacing of the wire harness fixing hole internal diameter Bulge loop.

Further, in addition to the pipe clamp that is sleeved on the spool, the pipe clamp, which is provided with, to be used to fix the spool Band.

Further, the pipe clamp is fixedly mounted on bolt of main bearing cap.

The beneficial effects of the utility model are:

High power gas main bearing of engine temperature-detecting device of the present utility model, pacified by being set in main beating cap Hole is filled, and temperature sensor is arranged in mounting hole, one and base bearing are applied to temperature sensor using precompression spring Between flexible precompression, can not only ensure that temperature sensor can be engaged with base bearing all the time, and soft in spring Property precompression in the presence of, can also effectively avoid temperature sensor from damaging, disclosure satisfy that the relative complex engine of detection environment The testing requirements of the base bearing temperature of crankcase, and with simple in construction, easy for installation, cost is low and the advantages of good reliability.

Brief description of the drawings

In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, the utility model provides as follows Accompanying drawing illustrates:

Fig. 1 is the structural representation of the utility model high power gas main bearing of engine temperature-detecting device embodiment;

Fig. 2 is the structural representation of temperature sensor mounting structure;

Fig. 3 is the structural representation of spool fixed structure;

Fig. 4 is the structural representation of temperature sensor;

Fig. 5 is the structural representation of mounting hole;

Fig. 6 is the structural representation of connecting tube;

Fig. 7 is the structural representation of locking nut.

Description of reference numerals:

1st, temperature detection ECU;2nd, nut;3rd, hollow bolt;4th, hollow nut;5th, engine body;6th, band;7th, manage Folder;8th, spool;9th, sensor wire harness;10th, cutting ferrule;11st, cutting ferrule nut;12nd, locking nut;12a- locks external screw thread;13rd, bullet Spring;14th, temperature sensor;14a- leading portions;14b- back segments;15th, bolt of main bearing cap;16th, connecting tube;16a- closes up;17th, it is bent Axle;18th, base bearing;19th, main beating cap;19a- path sections;19b- internal thread segments;19c- central diameter sections.

Embodiment

The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art The utility model can be better understood from and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.

As shown in figure 1, the structure for the utility model high power gas main bearing of engine temperature-detecting device embodiment Schematic diagram.The high power gas main bearing of engine temperature-detecting device of the present embodiment, including temperature sensor 14 and be arranged on Mounting hole in main beating cap 19, mounting hole includes the path section 19a positioned at the inner side and internal thread segment 19b positioned at outside, small The internal diameter provided with central diameter section 19c, path section 19a is less than central diameter section 19c internal diameter between footpath section 19a and internal thread segment 19b.Temperature Sensor 14 includes leading portion 14a and back segment 14b, and sensor wire harness 9 is connected with back segment 14b;After leading portion 14a external diameter is more than During section 14b external diameter, leading portion 14a are arranged in path section 19a and are engaged with base bearing 18, and leading portion 14a is stretched into The connecting tube 16 being sleeved on leading portion 14a is provided with the section 19c of footpath, in central diameter section 19c, connecting tube 16 is close to internal thread segment 19b's One end is provided with the closing in 16a coordinated with back segment 14b, and the precompression spring 13 being sleeved on back segment 14b is provided with connecting tube 16. Coordinate with its screw thread in internal thread segment 19b be provided be sleeved on sensor wire harness 9 and with the locking screw of 16 spacing cooperation of connecting tube Mother 12.Specifically, the axis of mounting hole is located at base bearing 18 in the radial direction.

Further, locking nut 12 is provided with locking external screw thread 12a backwards to one end of temperature sensor 14, locks external screw thread 12a is provided with the cutting ferrule nut 11 being sleeved on sensor wire harness 9, and cutting ferrule is provided between cutting ferrule nut 11 and locking nut 12 10。

Further, the high power gas main bearing of engine temperature-detecting device of the present embodiment also includes being arranged on engine Wire harness fixing hole on body 5, sensor wire harness 9 electrically connect after extending through wire harness fixing hole with temperature detection ECU1.This reality Apply set on the sensor wire harness 9 of example and be equiped with spool 8.The sky being sleeved on spool 8 is provided with the wire harness fixing hole of the present embodiment Heart bolt 3, on hollow bolt 3 set be equiped with the stop collar 4 in wire harness fixing hole, and one end of hollow bolt 3 is provided with With the spacing head of 4 spacing cooperation of stop collar, and it is additionally provided with hollow bolt 3 for stop collar 4 to be pressed abd fixed on into spacing head Nut 2, and the other end relative with spacing head of stop collar 4 is provided with the position limiting convex ring that external diameter is more than wire harness fixing hole internal diameter.

Further, the high power gas main bearing of engine temperature-detecting device of the present embodiment also includes being sleeved on spool 8 On pipe clamp 7, pipe clamp 7 be provided with for fixed spool 8 band 6.The pipe clamp 7 of the present embodiment is fixedly mounted on main beating cap spiral shell On bolt 15.

The high power gas main bearing of engine temperature-detecting device of the present embodiment, installed by being set in main beating cap Hole, and by temperature sensor be arranged on mounting hole in, using precompression spring to temperature sensor apply one with base bearing it Between flexible precompression, can not only ensure that temperature sensor can be engaged with base bearing all the time, and in spring flexible In the presence of precompression, also effectively temperature sensor can be avoided to damage, disclosure satisfy that the relative complex engine of detection environment is bent The testing requirements of the base bearing temperature of axle box, and with simple in construction, easy for installation, cost is low and the advantages of good reliability.

Embodiment described above is only the preferred embodiment to absolutely prove the utility model and being lifted, the utility model Protection domain not limited to this.The equivalent substitute or change that those skilled in the art are made on the basis of the utility model Change, within the scope of protection of the utility model.The scope of protection of the utility model is defined by claims.

Claims (8)

  1. A kind of 1. high power gas main bearing of engine temperature-detecting device, it is characterised in that:Including temperature sensor and setting Mounting hole in main beating cap, the mounting hole includes the path section positioned at inner side and the internal thread segment positioned at outside, described Central diameter section is provided between path section and internal thread segment, the internal diameter of the path section is less than the internal diameter of the central diameter section;The temperature Sensor includes leading portion and back segment, and sensor wire harness is connected with the back segment;The external diameter of the leading portion is more than the back segment External diameter, the leading portion is arranged in the path section and is engaged with base bearing, and the leading portion stretch into it is described in The connecting tube being sleeved on the leading portion is provided with the section of footpath, in the central diameter section, the connecting tube is close to the internal thread segment One end is provided with the closing in coordinated with the back segment, and the precompression spring being sleeved on the back segment is provided with the connecting tube; Coordinate with its screw thread in the internal thread segment be provided be sleeved on the sensor wire harness and with the spacing cooperation of the connecting tube Locking nut.
  2. 2. high power gas main bearing of engine temperature-detecting device according to claim 1, it is characterised in that:The lock Tight nut is provided with locking external screw thread backwards to one end of the temperature sensor, and the locking external screw thread, which is provided with, is sleeved on the biography Cutting ferrule nut on sensor wire harness, cutting ferrule is provided between the cutting ferrule nut and the locking nut.
  3. 3. high power gas main bearing of engine temperature-detecting device according to claim 1, it is characterised in that:The peace The axis in dress hole is located at base bearing in the radial direction.
  4. 4. the high power gas main bearing of engine temperature-detecting device according to claim any one of 1-3, its feature exist In:Also include the wire harness fixing hole being arranged on engine body, the sensor wire harness extends through the wire harness fixing hole Electrically connected afterwards with temperature detection ECU.
  5. 5. high power gas main bearing of engine temperature-detecting device according to claim 4, it is characterised in that:The biography Set is equiped with spool on sensor wire harness.
  6. 6. high power gas main bearing of engine temperature-detecting device according to claim 5, it is characterised in that:The line The hollow bolt being sleeved on the spool is provided with beam fixing hole, set is equiped with and is located at the wire harness on the hollow bolt Stop collar in fixing hole, and one end of the hollow bolt is provided with the spacing head with the spacing cooperation of the stop collar, and it is described Be additionally provided with the nut for the stop collar being pressed abd fixed on the spacing head, and the stop collar and institute on hollow bolt State the position limiting convex ring that the relative other end of spacing head is more than the wire harness fixing hole internal diameter provided with external diameter.
  7. 7. high power gas main bearing of engine temperature-detecting device according to claim 5, it is characterised in that:Also include The pipe clamp being sleeved on the spool, the pipe clamp are provided with the band for being used for fixing the spool.
  8. 8. high power gas main bearing of engine temperature-detecting device according to claim 7, it is characterised in that:The pipe Folder is fixedly mounted on bolt of main bearing cap.
CN201720244993.6U 2017-03-14 2017-03-14 High power gas main bearing of engine temperature-detecting device CN206847802U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720244993.6U CN206847802U (en) 2017-03-14 2017-03-14 High power gas main bearing of engine temperature-detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720244993.6U CN206847802U (en) 2017-03-14 2017-03-14 High power gas main bearing of engine temperature-detecting device

Publications (1)

Publication Number Publication Date
CN206847802U true CN206847802U (en) 2018-01-05

Family

ID=60789425

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720244993.6U CN206847802U (en) 2017-03-14 2017-03-14 High power gas main bearing of engine temperature-detecting device

Country Status (1)

Country Link
CN (1) CN206847802U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110259803A (en) * 2019-06-08 2019-09-20 郭卫康 A kind of combination of elastic hollow nut bolt and its locking method
CN110631729A (en) * 2019-08-13 2019-12-31 西北工业大学 Armored thermocouple sealing and position regulating device suitable for rocket engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110259803A (en) * 2019-06-08 2019-09-20 郭卫康 A kind of combination of elastic hollow nut bolt and its locking method
CN110631729A (en) * 2019-08-13 2019-12-31 西北工业大学 Armored thermocouple sealing and position regulating device suitable for rocket engine

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