CN210311408U - Toothed belt environmental test box - Google Patents

Toothed belt environmental test box Download PDF

Info

Publication number
CN210311408U
CN210311408U CN201920972964.0U CN201920972964U CN210311408U CN 210311408 U CN210311408 U CN 210311408U CN 201920972964 U CN201920972964 U CN 201920972964U CN 210311408 U CN210311408 U CN 210311408U
Authority
CN
China
Prior art keywords
plate
toothed belt
box body
bottom plate
environmental test
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920972964.0U
Other languages
Chinese (zh)
Inventor
梁博文
陶友瑞
戴铭阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei University of Technology
Original Assignee
Hebei University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hebei University of Technology filed Critical Hebei University of Technology
Priority to CN201920972964.0U priority Critical patent/CN210311408U/en
Application granted granted Critical
Publication of CN210311408U publication Critical patent/CN210311408U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The application provides a toothed belt environmental test chamber which is matched with a fatigue testing machine to test the fatigue life of a toothed belt, and comprises a box body; the box body comprises a top plate, a bottom plate and a side plate arranged between the top plate and the bottom plate; a pair of herringbone plates with openings facing the interior of the box body are symmetrically arranged on the top plate and the bottom plate; the herringbone plate comprises a vertical plate which penetrates through the top plate/the bottom plate and extends to the outside of the box body, and a pair of inclined plates which are symmetrically arranged at one end of the vertical plate; the inclined plate is provided with a pressing plate for fixing the toothed belt to be tested; the pair of vertical plates are connected with the fatigue testing machine so as to adjust the distance between the two vertical plates; a heating plate is arranged in the box body; the box body is provided with a humidifying channel, a salt fog channel and an airflow channel which are communicated with the outside. The beneficial effect of this application: when the fatigue test is carried out, the influence of environmental factors such as temperature, humidity, salt mist and the like on the fatigue life of the toothed belt can be considered at the same time; the device can test two toothed belts simultaneously, and time cost is reduced.

Description

Toothed belt environmental test box
Technical Field
The application relates to the technical field of environmental tests, in particular to a toothed belt environmental test box.
Background
Synchronous belt drive is an important drive mode in a drive mode, and the drive is relatively stable. Synchronous belt drive is driven by the meshing of teeth on the inner surface of the drive belt and tooth grooves on the pulleys. Compared with the friction belt transmission, the belt wheel and the transmission belt of the synchronous belt transmission do not slide relatively, and the strict transmission ratio can be ensured. The toothed belt is an important component of synchronous belt transmission, and the performance of the toothed belt directly influences the precision and stability of a transmission system. The fatigue life of the toothed belt is an important index, the working environment of the toothed belt is severe, and the influence of the severe environment on the service life of the toothed belt cannot be considered in the traditional fatigue life test.
Disclosure of Invention
The utility model aims at above problem, provide a tooth belt environmental test case.
The application provides a toothed belt environmental test chamber which is matched with a fatigue testing machine to test the fatigue life of a toothed belt, and comprises a box body; the box body comprises a top plate, a bottom plate and a side plate arranged between the top plate and the bottom plate; a pair of herringbone plates with openings facing the interior of the box body are symmetrically arranged on the top plate and the bottom plate; the herringbone plate comprises a vertical plate which penetrates through the top plate/the bottom plate and extends to the outside of the box body, and a pair of inclined plates which are symmetrically arranged at one end of the vertical plate; the inclined plate is provided with a pressing plate for fixing the toothed belt to be tested; the pair of vertical plates are connected with the fatigue testing machine so as to adjust the distance between the two vertical plates; a heating plate is arranged in the box body; the box body is provided with a humidifying channel, a salt fog channel and an airflow channel which are communicated with the outside. Through adopting above-mentioned technical scheme, the cog belt that will await measuring is fixed in on a set of chevron plate, install the proof box on fatigue testing machine through a pair of riser, fatigue testing machine drives a pair of riser up-and-down motion and constantly adjusts the interval between two risers and realizes tensile and compression in turn to the cog belt, adjust the inside temperature of proof box simultaneously through the hot plate, do not let in moisture and salt fog for the proof box is inside through humidification passageway and salt fog passageway again, for the harsh environment of cog belt simulation, make when carrying out fatigue test, can consider the influence of adverse circumstances factors such as temperature, humidity and salt fog to cog belt fatigue life simultaneously. In addition, the two toothed belts can be respectively fixed on the inclined plates of the pair of herringbone plates positioned on the same side, so that the two toothed belts are tested simultaneously, the test time is shortened, and the time cost is reduced.
According to the technical scheme provided by some embodiments of the application, the device further comprises a tensioning device arranged in the middle of the box body; the tensioning device comprises a first tensioning wheel, a second tensioning wheel and a supporting rod arranged between the first tensioning wheel and the second tensioning wheel. By adopting the technical scheme, the real loading condition of the toothed belt during working can be simulated.
According to the technical scheme provided by some embodiments of the application, a sliding rail is arranged in the middle of the box body; the first tensioning wheel and the second tensioning wheel are respectively connected to the sliding rail in a sliding mode through sliding blocks. Through adopting above-mentioned technical scheme, when setting up in the profile of tooth area atress uneven in first take-up pulley and second take-up pulley both sides, first take-up pulley and second take-up pulley can drive the slider and slide with automatic adjustment along the slide rail, have played the effect of self-centering.
According to the technical scheme that some embodiments of this application provided, be equipped with the slide rail support frame that is used for fixed slide rail on the bottom plate.
According to the technical scheme provided by some embodiments of the application, a circulating fan is arranged inside the box body. Through adopting above-mentioned technical scheme, can make the inside air flow of proof box, prevent temperature, humidity and salt fog concentration maldistribution.
According to the technical scheme provided by some embodiments of the application, the pressing plate is provided with a groove meshed with the tooth form of the toothed belt. By adopting the technical scheme, the toothed belt can be better fixed on the herringbone plate, and the phenomenon that the toothed belt slides in the fatigue test process to cause large error of the test result is prevented.
According to the technical scheme provided by some embodiments of the application, heat insulation materials are paved on the inner walls of the top plate, the bottom plate and the side plates. Through adopting above-mentioned technical scheme, can guarantee the inside temperature of proof box effectively.
The beneficial effect of this application: this toothed belt environmental test case adopts the integrated design, be fixed in two toothed belts respectively on the swash plate that a pair of chevron plate is located the homonymy, install the proof box on fatigue testing machine through a pair of riser, fatigue testing machine drives a pair of riser up-and-down motion and constantly adjusts the interval between two risers and realizes a pair of toothed belt alternating tensile and compression, adjust the inside temperature of proof box simultaneously through the hot plate, the rethread is respectively through humidification passageway and salt fog passageway for inside moisture and the salt fog of letting in of proof box, for the abominable environment of toothed belt simulation, make when carrying out fatigue test, can consider the temperature simultaneously, adverse circumstances factors such as humidity and salt fog are to toothed belt fatigue life's influence. In addition, the device can test two toothed belts simultaneously, shortens the test time, and reduces the time cost.
Drawings
Fig. 1 is a schematic structural diagram of a toothed belt environmental test chamber provided in an embodiment of the present application;
FIG. 2 is a schematic cross-sectional structural diagram of an environmental test chamber of a toothed belt according to an embodiment of the present application;
FIG. 3 is an enlarged schematic view of a portion A of FIG. 2;
fig. 4 is a schematic bottom view of an environmental test chamber with a toothed belt according to an embodiment of the present application.
The text labels in the figures are represented as:
1. a box body; 2. a top plate; 3. a base plate; 4. a side plate; 5. a herringbone plate; 6. a vertical plate; 7. a sloping plate; 8. a toothed belt; 9. pressing a plate; 10. heating plates; 11. a humidification channel; 12. a salt spray channel; 13. an air flow channel; 14. a circulation fan; 15. a first tensioning wheel; 16. a second tensioning wheel; 17. a support bar; 18. a slider; 19. a slide rail; 20. a sliding rail support frame.
Detailed Description
The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.
As shown in fig. 1 to 4, the present embodiment provides a toothed belt environmental test chamber, which is used in cooperation with a fatigue testing machine (not shown) to test the fatigue life of a toothed belt 8, and includes a box body 1; the box body 1 comprises a top plate 2, a bottom plate 3 and a side plate 4 arranged between the top plate 2 and the bottom plate 3; a pair of herringbone plates 5 with openings facing the interior of the box body 1 are symmetrically arranged on the top plate 2 and the bottom plate 3; the herringbone plate 5 comprises a vertical plate 6 which penetrates through the top plate 2/the bottom plate 3 and extends to the outside of the box body 1 and a pair of inclined plates 7 which are symmetrically arranged at one end of the vertical plate 6; the width of the inclined plate 7 is slightly wider than that of the toothed belt 8, and a plurality of first through holes are respectively formed in two ends of the inclined plate 7; the inclined plate 7 is provided with a pressing plate 9 for fixing the toothed belt 8 to be tested, the width of the pressing plate 9 is the same as that of the inclined plate 7, a plurality of second through holes are formed in the position, corresponding to the inclined plate 7, of the pressing plate 9, one end of the toothed belt 8 is placed between the inclined plate 7 and the pressing plate 9, a bolt penetrates through the first through hole and the second through hole in the corresponding positions, and the nut is screwed down to fix the toothed belt 8; the pressing plate 9 is provided with a groove meshed with the tooth form of the toothed belt 8, so that the toothed belt 8 can be better fixed on the herringbone plate 5, and the phenomenon that the toothed belt 8 slides in the fatigue test process to cause large error of the test result is avoided; the pair of vertical plates 6 are connected with a fatigue testing machine, and the fatigue testing machine drives the pair of vertical plates 6 to move up and down and continuously adjusts the distance between the two vertical plates 6 to realize the alternate stretching and compression of the toothed belt 8; a heating plate 10 for heating the interior of the box body 1 is arranged on the inner wall of one side of the box body 1 to adjust the temperature of the interior of the box body 1, and heat insulation materials are paved on the inner walls of the top plate 2, the bottom plate 3 and the side plates 4 of the box body 1 to ensure the test temperature of the interior of the box body 1; a humidifying channel 11, a salt fog channel 12 and an air flow channel 13 which are communicated with the outside are arranged on a top plate 2 of the box body 1, the humidifying channel 11 is connected with an outside humidifying device to adjust the humidity inside the box body 1, the salt fog channel 12 is connected with an outside device generating salt fog to change the salt fog concentration inside the box body 1, and the air flow channel 13 is communicated with the outside atmosphere to adjust the air pressure balance between the inside of the box body 1 and the outside; the bottom plate 3 of the box body 1 is provided with a circulating fan 14, so that the air in the box body 1 can flow, and uneven distribution of temperature, humidity and salt fog concentration can be prevented. It should be noted that the fatigue testing machine is a conventional technology, and therefore, is not described herein.
In a preferred embodiment, the toothed belt environmental test chamber further comprises a tensioning device arranged in the middle of the box body 1; the tensioning device comprises a first tensioning wheel 15 and a second tensioning wheel 16, the first tensioning wheel 15 and the second tensioning wheel 16 are both hemispheroids and are arranged between the two toothed belts to be tested 8, and the arc surface of the first tensioning wheel 15 and the arc surface of the second tensioning wheel 16 are respectively contacted with the two toothed belts to be tested 8; the tensioning device further comprises a pair of cylindrical supporting rods 17 with equal length, which are arranged between the first tensioning wheel 15 and the second tensioning wheel 16 and are used for simulating the real loading condition of the toothed belt 8 during working, the toothed belt environment test box is provided with a plurality of pairs of supporting rods 17 with different lengths, and an operator can select a pair of supporting rods 17 with proper length according to actual needs and place the supporting rods between the first tensioning wheel 15 and the second tensioning wheel 16 so as to adjust the distance between the first tensioning wheel 15 and the second tensioning wheel 16 and further change the wrap angle of the toothed belt 8; a pair of slide rail support frames 20 are arranged on two sides of the bottom plate 3, a pair of slide rails 19 stretching across the two slide rail support frames 20 is fixed above the slide rail support frames 20, a pair of sliders 18 are respectively connected to two ends of the first tensioning wheel 15 and the second tensioning wheel 16, the first tensioning wheel 15 and the second tensioning wheel 16 are respectively connected to the pair of slide rails 19 in a sliding mode through the sliders 18, when the toothed belts 8 arranged on two sides of the first tensioning wheel 15 and the second tensioning wheel 16 are unevenly stressed, the first tensioning wheel 15 and the second tensioning wheel 16 can drive the sliders 18 to slide along the slide rails 19 to be automatically adjusted, and the automatic centering effect is achieved.
When the toothed belt environment test box provided by the embodiment of the application is used, firstly, two test samples of the toothed belt 8 with a certain length are selected, the tooth surfaces of the test samples are placed on the inclined plate 7 outwards, and the test samples are fixed on the inclined plate 7 through the four pressing plates 9 and the bolt nuts matched with the pressing plates 9, and it needs to be noted that the grooves of the pressing plates 9 are meshed with the tooth surfaces of the toothed belt 8, so that the toothed belt 8 is prevented from sliding during testing; secondly, the test box is placed on a fatigue testing machine, and the pair of vertical plates 6 are connected with the fatigue testing machine; finally, introducing moisture and salt fog into the test chamber through the humidifying channel 11 and the salt fog channel 12 respectively, starting the heating plate 10 to start working, starting the circulating fan 14, starting the fatigue testing machine to perform fatigue testing after the temperature, the humidity and the salt fog environment in the test chamber meet the requirements and are stable and uniformly distributed after a period of time; and when the loading of the fatigue testing machine is finished, taking out the toothed belt 8 for analysis. It should be noted that the device can consider the influence of any environmental factor among temperature, humidity or salt spray concentration on the fatigue life of the toothed belt 8 alone, can also consider the influence of multiple factors on the fatigue life of the toothed belt 8 comprehensively, and can select one or more environmental factors suitable according to actual needs in practical application. This toothed belt environmental test case adopts the integrated design, can simulate abominable environment for toothed belt 8 for when carrying out fatigue test, can consider the influence of adverse circumstances factors such as temperature, humidity and salt fog to 8 fatigue life in toothed belt simultaneously. In addition, the device can test two toothed belts 8 simultaneously, shortens the test time, and reduces the time cost.
The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.

Claims (7)

1. An environmental test box for a toothed belt is matched with a fatigue testing machine for testing the fatigue life of the toothed belt (8), and is characterized by comprising a box body (1); the box body (1) comprises a top plate (2), a bottom plate (3) and a side plate (4) arranged between the top plate (2) and the bottom plate (3); a pair of herringbone plates (5) with openings facing the interior of the box body (1) are symmetrically arranged on the top plate (2) and the bottom plate (3); the herringbone plate (5) comprises a vertical plate (6) which penetrates through the top plate (2)/the bottom plate (3) and extends to the outside of the box body (1) and a pair of inclined plates (7) which are symmetrically arranged at one end of the vertical plate (6); a pressing plate (9) used for fixing the toothed belt (8) is arranged on the inclined plate (7); the pair of vertical plates (6) is connected with the fatigue testing machine so as to adjust the distance between the two vertical plates (6); a heating plate (10) is arranged in the box body (1); the box body (1) is provided with a humidifying channel (11), a salt fog channel (12) and an airflow channel (13) which are communicated with the outside.
2. Toothed belt environmental test chamber according to claim 1, characterized in that it further comprises a tensioning device arranged in the middle of the box (1); the tensioning device comprises a first tensioning wheel (15), a second tensioning wheel (16) and a support rod (17) arranged between the first tensioning wheel (15) and the second tensioning wheel (16).
3. The toothed belt environmental test chamber according to claim 2, characterized in that a slide rail (19) is arranged in the middle of the chamber body (1); the first tensioning wheel (15) and the second tensioning wheel (16) are respectively connected to a sliding rail (19) in a sliding mode through a sliding block (18).
4. The toothed belt environmental test chamber according to claim 3, characterized in that a sliding rail support (20) for fixing the sliding rail (19) is arranged on the bottom plate (3).
5. Toothed belt environmental test chamber according to claim 1, characterized in that the inside of the box (1) is provided with a circulation fan (14).
6. Toothed belt environmental test chamber according to claim 1, characterized in that the pressure plate (9) is provided with grooves that mesh with the tooth form of the toothed belt (8).
7. The toothed belt environmental test chamber according to claim 1, characterized in that thermal insulation materials are laid on the inner walls of the top plate (2), the bottom plate (3) and the side plates (4).
CN201920972964.0U 2019-06-26 2019-06-26 Toothed belt environmental test box Expired - Fee Related CN210311408U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920972964.0U CN210311408U (en) 2019-06-26 2019-06-26 Toothed belt environmental test box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920972964.0U CN210311408U (en) 2019-06-26 2019-06-26 Toothed belt environmental test box

Publications (1)

Publication Number Publication Date
CN210311408U true CN210311408U (en) 2020-04-14

Family

ID=70146594

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920972964.0U Expired - Fee Related CN210311408U (en) 2019-06-26 2019-06-26 Toothed belt environmental test box

Country Status (1)

Country Link
CN (1) CN210311408U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110194312A (en) * 2019-06-26 2019-09-03 河北工业大学 A kind of toothed belt environmental test chamber

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110194312A (en) * 2019-06-26 2019-09-03 河北工业大学 A kind of toothed belt environmental test chamber
CN110194312B (en) * 2019-06-26 2024-04-02 河北工业大学 Toothed belt environment test box

Similar Documents

Publication Publication Date Title
CN110194312B (en) Toothed belt environment test box
CN210311408U (en) Toothed belt environmental test box
CN205374325U (en) Liftable timber surface nondestructive test device of adjusting
CN105973799A (en) Multispecimen humid heat cycling and alternating load coupling dynamic testing device
CN109443968A (en) A kind of guiding rail friction wear testing machine and test method
CN107328656B (en) A testing arrangement for multinomial capability test of umbilical cable
CN105139725A (en) Static friction force tester
CN214622240U (en) Temperature and humidity control-integrated special wood aging test box
JP3973016B2 (en) Peel strength inspection device
CN115308570A (en) Aging test equipment and test method for PCBA (printed circuit board assembly)
CN213122006U (en) Power aging testing cabinet with pneumatic adjustment function and aging testing tray thereof
CN208383639U (en) A kind of floor coverings surface sliding frictional wear test device
CN219714615U (en) Differential pressure simulation device suitable for experiments
CN116818495A (en) Iron component strength impact test device
CN205670115U (en) Multispecimen moisture and hot ageing and alternate load Coupled Dynamic assay device
CN218945104U (en) High-temperature test box with adjustable layer rack
CN207976376U (en) A kind of multi-functional ultraviolet light weather resistance test chamber
CN217801553U (en) Movable corrosion equipment for workbench
CN220625237U (en) Transmission V-ribbed belt measuring equipment
CN215953002U (en) Belt type laser drilling test machine
CN216695902U (en) Pulley component system capable of adjusting S curvature of optical cable
CN110007252B (en) Lamp strip bending-resistant testing machine
CN208208292U (en) A kind of liquid crystal display panel electric performance test equipment
CN207571284U (en) A kind of adjustable space lamps and lanterns burn-in test room
CN220708970U (en) Special plastic wear resistance testing device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200414