CN112414729B - Tyre ring-off resistance testing machine - Google Patents
Tyre ring-off resistance testing machine Download PDFInfo
- Publication number
- CN112414729B CN112414729B CN202011426583.6A CN202011426583A CN112414729B CN 112414729 B CN112414729 B CN 112414729B CN 202011426583 A CN202011426583 A CN 202011426583A CN 112414729 B CN112414729 B CN 112414729B
- Authority
- CN
- China
- Prior art keywords
- driving mechanism
- tire
- pressing block
- knockover
- driving
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 196
- 230000033001 locomotion Effects 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 238000006073 displacement reaction Methods 0.000 claims description 28
- 239000003638 chemical reducing agent Substances 0.000 claims description 17
- 239000011324 bead Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 4
- 230000001276 controlling effect Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
- G01M17/021—Tyre supporting devices, e.g. chucks
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tires In General (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application discloses a tire ring-off resistance testing machine which comprises a machine main body, a cross beam frame, a main lifting driving mechanism, a pressing block driving mechanism, a horizontal movement driving mechanism, a tire fixing mechanism, a ring-off pressing block, a swinging rod mechanism, a locking mechanism, a detection assembly and a control cabinet, wherein the machine main body is provided with a main lifting driving mechanism; the pressing block driving mechanism is used for controlling lifting movement of the knockover pressing block so as to control the knockover pressing block to conduct knockover test on the tire to be tested. The horizontal movement driving mechanism is used for driving the knockover pressing block to move in the horizontal direction by controlling the pressing block driving mechanism, so that the P value of the knockover pressing block is adjusted. In addition, the air pressure detector can detect the air pressure condition of the tire to be tested in the test process in real time. According to the design of the testing machine, the control cabinet is used for leading, the detection assembly is used for feeding back so as to accurately control the motion of each mechanism, the overall automation performance is good, the detection result precision is high, and the detection efficiency can be improved well.
Description
Technical Field
The application relates to the technical field of tire tests, in particular to a tire knockover resistance testing machine.
Background
The tire is the only medium for connecting the vehicle with the ground, and the improvement of the vehicle performance is greatly dependent on the service performance of the tire. With the rapid development of industry, people do not meet the existing performance requirements of vehicles, so that higher requirements are put on the service performance of tires.
High quality, high performance tires are a necessity to improve vehicle performance. The detection before the tire leaves the factory is the key for guaranteeing the quality of the tire and the performance of the vehicle, so that the tire can carry out a series of performance detection before leaving the factory, especially in the aspect of the safety performance of the vehicle which is concerned by the public, the measurement of the knockover resistance is an indispensable test, the previous knockover resistance detection cannot carry out real-time online detection on the air pressure, the operation procedure is mostly carried out manually, the automation performance is insufficient, the working efficiency is low, and the accuracy of the detection result is required to be improved.
Disclosure of Invention
Therefore, the application aims to provide the tire ring-off resistance testing machine which has good automation performance and high detection result precision and can better promote the detection efficiency.
In order to achieve the technical aim, the application provides a tire ring-off resistance testing machine which comprises a machine main body, a cross beam frame, a main lifting driving mechanism, a pressing block driving mechanism, a horizontal movement driving mechanism, a tire fixing mechanism, a ring-off pressing block, a swinging rod mechanism, a locking mechanism, a detection assembly and a control cabinet;
the machine main body is provided with a test working area;
the tire fixing mechanism is arranged at the bottom of the test working area and is used for fixing the tire to be tested and driving the tire to be tested to rotate;
the beam frame is slidably arranged in the test working area along the vertical direction and is positioned right above the tire fixing mechanism;
the swing rod mechanism is rotatably arranged at the bottom of the cross beam frame along the direction of approaching or separating from the tire fixing mechanism;
the knockover briquetting is slidably arranged on the swing rod mechanism;
the locking mechanism is arranged on the swing rod mechanism and used for locking the ring-off pressing block after sliding adjustment;
the pressing block driving mechanism is arranged on the cross beam frame, and the driving end is hinged with the knockover pressing block and is used for driving the knockover pressing block to move along the vertical direction;
the horizontal movement driving mechanism is arranged on the cross beam frame, and the driving end is connected with the press block driving mechanism and used for driving the press block driving mechanism to horizontally move so as to adjust the P value of the knockover press block;
the main lifting driving mechanism is arranged on the machine body, and the driving end is connected with the beam frame and used for driving the beam frame to move in a lifting manner;
the detection assembly comprises a load sensor, a first displacement sensor, a second displacement sensor and an air pressure detector;
the load sensor is used for detecting the load applied to the knockover pressing block by the pressing block driving mechanism;
the first displacement sensor is used for detecting vertical movement displacement of the knockover pressing block;
the second displacement sensor is used for detecting the horizontal displacement of the knockover pressing block;
the air pressure detector is used for detecting the air pressure of the tire to be tested;
the control cabinet is installed in the machine main body and is electrically connected with the main lifting driving mechanism, the pressing block driving mechanism, the horizontal movement driving mechanism, the tire fixing mechanism and the detection assembly respectively.
Further, the machine main body comprises a base, a left upright post, a right upright post and a top beam;
the left upright post and the right upright post are vertically arranged at the top of the base and are distributed at intervals;
the top beam is horizontally arranged between the tops of the left upright posts and the right upright posts;
the base, the left upright post, the right upright post and the top beam enclose the test working area.
Further, a first guide rail is arranged on the inner side surface of the left upright post;
a second guide rail is arranged on the inner side surface of the right upright post;
the beam frame is slidably arranged between the first guide rail and the second guide rail;
the main lifting driving mechanism is installed in the left upright post or the right upright post, and the driving end is connected with the beam frame.
Further, the main lifting driving mechanism and the pressing block driving mechanism are both hydraulic cylinder driving mechanisms.
Further, the swing rod mechanism comprises a support arm and a swing rod frame;
the support arm is vertically arranged at one end of the bottom of the beam frame;
one end part of the swing rod frame is hinged with the lower end part of the support arm;
at least two guide rods which are parallel and are arranged at intervals are arranged in the swing rod frame;
a connector is arranged at the top of the knockover pressing block;
the connector is provided with guide holes for the guide rods to pass through in a one-to-one correspondence manner.
Further, the locking mechanism comprises a screw and two locking nuts;
the screw rod is parallel to the guide rods and is arranged between any two adjacent guide rods on the swing rod frame;
the connecting head is provided with an avoidance hole for the screw rod to movably pass through;
the two lock nuts are sleeved and fixed on the screw rod and are respectively positioned at two sides of the connector.
Further, the tire mounting auxiliary mechanism is also included;
the tire mounting auxiliary mechanism comprises a sub lifting driving mechanism, a first connecting arm, a second connecting arm and a tire mounting frame;
the sub-lifting driving mechanism is arranged on the machine main body, is positioned outside the test working area and is used for driving the tire placing frame to move up and down;
one end of the first connecting arm is rotationally connected with the driving end of the sub lifting driving mechanism along the horizontal direction, and the other end of the first connecting arm is rotationally connected with one end of the second connecting arm;
one end of the second connecting arm is rotatably connected with the tire rest;
the tire rest can rotate into the test working area and is provided with an avoidance groove for avoiding the fixed structure;
the control cabinet is electrically connected with the sub-lifting driving mechanism.
Further, the tire fixing mechanism comprises a rotary driving mechanism, a tire mounting mandrel, a speed reducer and a fixing seat;
the fixed seat is fixed at the bottom of the test working area;
the tyre mounting mandrel is rotatably arranged at the top of the fixed seat;
the rotary driving mechanism is in transmission connection with the tyre mounting mandrel through the speed reducer and is used for driving the tyre mounting mandrel to rotate.
Further, the tire fixing mechanism further comprises a speed measuring fluted disc and a proximity switch;
the speed measuring fluted disc is synchronously rotatably arranged on the extension section of the rotating shaft of the speed reducer;
the proximity switch is arranged beside the speed measuring fluted disc and used for detecting the rotation tooth number of the speed measuring fluted disc.
Further, the horizontal movement driving mechanism is specifically a screw rod driving mechanism.
According to the technical scheme, the main lifting driving mechanism can be used for controlling the lifting of the cross beam frame, so that the integral lifting control of the pressing block driving mechanism and the horizontal movement driving mechanism is realized. The pressing block driving mechanism is used for controlling lifting movement of the knockover pressing block so as to control the knockover pressing block to conduct knockover test on the tire to be tested, and the first displacement sensor and the load sensor are combined to control the main lifting driving mechanism more accurately and safely. The horizontal movement driving mechanism is used for driving the knockover pressing block to move in the horizontal direction through controlling the pressing block driving mechanism, so that the P value of the knockover pressing block is adjusted, and the P value of the knockover pressing block can be adjusted more accurately through combining the second displacement sensor. In addition, the air pressure detector can detect the air pressure condition of the tire to be tested in the test process in real time. According to the design of the testing machine, the control cabinet is used for leading, the detection assembly is used for feeding back so as to accurately control the motion of each mechanism, the overall automation performance is good, the detection result precision is high, and the detection efficiency can be improved well.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a tire bead breaking resistance testing machine provided in the present application;
FIG. 2 is a schematic view of a partial structure of a tire bead breaking resistance testing machine according to the present application;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a schematic view of a tire loading auxiliary mechanism of a tire unwinding resistance testing machine according to the present application;
FIG. 5 is a schematic view of a tire securing mechanism of a tire-pull-off resistance testing machine according to the present application;
in the figure: 1. a machine main body; 11. a base; 12. a left upright post; 121. a first guide rail; 13. a right column; 131. a second guide rail; 14. a top beam; 2. a cross beam frame; 21. a mating portion; 3. a main lifting driving mechanism; 4. a briquetting driving mechanism; 5. a horizontal movement driving mechanism; 51. a speed reducer; 52. a screw motor; 53. a slide block; 54. a screw rod; 55. a slide; 6. removing the ring and pressing blocks; 61. a connector; 7. a swing rod mechanism; 71. a support arm; 72. a swing rod frame; 8. a control cabinet; 81. an operation panel; 9. a tire fixing mechanism; 91. a tyre-mounting mandrel; 911. a flange; 92. a fixing seat; 93. a locking lever; 94. a rotary driving mechanism; 95. locking the air cylinder; 100. a tire mounting auxiliary mechanism; 101. a sub-lifting driving mechanism; 102. a first connecting arm; 103. a second connecting arm; 104. a tire rest; 200. a locking mechanism.
Detailed Description
The following description of the embodiments of the present application will be made in detail, but not necessarily all embodiments, with reference to the accompanying drawings. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the embodiments of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the embodiments of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, interchangeably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in embodiments of the present application will be understood in detail by those of ordinary skill in the art.
The embodiment of the application discloses a tire ring-off resistance testing machine.
Referring to fig. 1, an embodiment of a tire bead breaking resistance testing machine according to an embodiment of the present application includes:
the machine comprises a machine body 1, a beam frame 2, a main lifting driving mechanism 3, a pressing block driving mechanism 4, a horizontal movement driving mechanism 5, a tire fixing mechanism 9, a ring-off pressing block 6, a swinging rod mechanism 7, a locking mechanism 200, a detection assembly and a control cabinet 8.
Be equipped with experimental work area on the board main part 1, the board main part 1 specific structure can be according to the appropriate design of actual need, satisfies and can stably bear each mechanism part, and make things convenient for each mechanism part installation can, do not do the restriction.
The tire fixing mechanism 9 is arranged at the bottom of the test working area and is used for fixing the tire to be tested, and can drive the tire to be tested to rotate, the purpose of driving the tire to be tested to rotate can be achieved that multi-angle multiple-time loop-off tests can be carried out, namely after one position is tested, the tire fixing mechanism 9 can be controlled by the control cabinet 8 to drive the tire to be tested to rotate for a certain angle to the next test position. It should be noted that the tire to be tested according to the present application is a tire rim assembly.
The cross beam frame 2 is slidably arranged in the test working area along the vertical direction and is positioned right above the tire fixing mechanism 9; the swing rod mechanism 7 is rotatably arranged at the bottom of the beam frame 2 along the direction of approaching or separating from the tire fixing mechanism 9; the knockover pressing block 6 is slidably arranged on the swing rod mechanism 7; the locking mechanism 200 is arranged on the swing rod mechanism 7 and is used for locking the slip-regulated knockover pressing block 6; the pressing block driving mechanism 4 is arranged on the beam frame 2, and the driving end is hinged with the knockover pressing block 6 and is used for driving the knockover pressing block 6 to move along the vertical direction; the horizontal movement driving mechanism 5 is arranged on the beam frame 2, and the driving end is connected with the press block driving mechanism 4 and is used for driving the press block driving mechanism 4 to horizontally move so as to adjust the P value of the knockover press block 6; the main lifting driving mechanism 3 is arranged on the machine body 1, and the driving end is connected with the beam frame 2 and used for driving the beam frame 2 to move up and down.
The detection assembly comprises a load sensor, a first displacement sensor, a second displacement sensor and an air pressure detector; the load sensor is used for detecting the load applied to the knockover pressing block 6 by the pressing block driving mechanism 4; the first displacement sensor is used for detecting the vertical movement displacement of the knockover pressing block 6; the second displacement sensor is used for detecting the horizontal displacement of the knockover pressing block 6; the air pressure detector is used for detecting the air pressure of the tire to be tested; the control cabinet 8 is mounted on the machine body 1 and is electrically connected with the main lifting driving mechanism 3, the pressing block driving mechanism 4, the horizontal movement driving mechanism 5, the tire fixing mechanism 9 and the detection assembly respectively. The load sensor can be installed at a specific position according to actual conditions, for example, the load sensor is installed at a hinge joint between the driving end of the press block driving mechanism 4 and the knockover press block 6, so as to detect the action load between the press block driving mechanism 4 and the knockover press block 6, when the knockover press block 6 touches the rim of the tire to be tested, the action load between the knockover press block 6 and the detection press block can be rapidly increased, and at the moment, the abnormal condition can be detected to stop the operation of the press block driving mechanism 4, so that the press block driving mechanism 4 is protected. The mounting positions of the first displacement sensor and the second displacement sensor are also determined according to the type of the displacement sensor, and are not particularly limited. The air pressure detector can be connected with an air tap of the tire to be tested through an air pipe along with a conventional air pressure detector so as to detect the air pressure of the tire to be tested; the air pressure detector can be arranged at the position of the control cabinet 8, and of course, the air pressure detector can also be arranged on the main body of the machine body without limitation.
In addition, the application can also comprise a third displacement sensor for detecting the lifting displacement of the beam frame 2, and the specific type can be selected according to actual needs without limitation. Of course, an origin switch and an upper limit travel switch can be respectively arranged in the test working area to control the origin resetting movement of the beam frame 2 and prevent the beam frame 2 from moving excessively in a lifting manner, so as to play a role in protection.
From the above technical solution, the main lifting driving mechanism 3 provided by the application can be used for controlling the lifting of the beam frame 2 so as to realize the integral lifting control of the pressing block driving mechanism 4 and the horizontal movement driving mechanism 5. The arranged press block driving mechanism 4 is used for controlling the lifting movement of the knockover press block 6 so as to control the knockover press block 6 to conduct knockover test on the tire to be tested, wherein the primary lifting driving mechanism 3 can be controlled more accurately and safely by combining the arranged first displacement sensor and the load sensor. The horizontal movement driving mechanism 5 is arranged to drive the knockover briquetting 6 to move in the horizontal direction by controlling the briquetting driving mechanism 4, so as to adjust the P value of the knockover briquetting 6, wherein the P value of the knockover briquetting 6 can be adjusted more accurately by combining with the second displacement sensor arranged, and the P value adjusting range can be set according to actual needs, for example, 209 mm-490 mm. In addition, the air pressure detector can detect the air pressure condition of the tire to be tested in the test process in real time. According to the design of the testing machine, the control cabinet 8 is used for leading, the detection assembly is used for feeding back so as to accurately control the motion of each mechanism, the overall automation performance is good, the detection result precision is high, and the detection efficiency can be improved well.
The above is an embodiment one of a tire bead breaking resistance testing machine provided by the present application, and the following is an embodiment two of a tire bead breaking resistance testing machine provided by the present application, and refer to fig. 1 to 5 specifically.
Based on the scheme of the first embodiment:
further, regarding the specific structural composition of the machine body 1, the machine body 1 may include a base 11, a left upright 12, a right upright 13, and a top beam 14. Wherein the left upright post 12 and the right upright post 13 are vertically arranged at the top of the base 11 and are distributed at intervals. The top beam 14 is horizontally mounted between the tops of the left and right uprights 12, 13. By means of the structural combination, a test working area is formed by enclosing the base 11, the left upright 12, the right upright 13 and the top beam 14. Of course, other structural compositions are possible, and those skilled in the art can make appropriate changes based on these, without limitation.
Further, taking the structure of the machine main body 1 as an example, the mounting of the cross frame 2 may be, for example, as follows: a first guide rail 121 is arranged on the inner side surface of the left upright post 12, wherein the number of the first guide rails 121 can be two; the inner side surface of the right upright post 13 is provided with a second guide rail 131, and the second guide rail 131 can be one. The beam frame 2 is slidably mounted between the first rail 121 and the second rail 131, and the end portions of the beam frame 2 may be respectively provided with a fitting portion 21 that is fitted with the first rail 121 and the second rail 131, and the specific structure may be determined according to the rail structure without limitation. In addition, the main lifting driving mechanism 3 can be installed in the left upright post 12 or the right upright post 13, and the driving end is connected with the beam frame 2, and the whole appearance is simpler, the internal space can be fully utilized, and the whole structure is more compact.
Further, in order to have a sufficiently large driving force, the main elevating driving mechanism 3 and the pressing block driving mechanism 4 may be specifically hydraulic cylinder driving mechanisms.
Further, the swing link mechanism 7 specifically includes a support arm 71 and a swing link frame 72, where the support arm 71 is vertically installed at one end position of the bottom of the beam frame 2, and one end of the swing link frame 72 is hinged to the lower end of the support arm 71, so that the swing link frame 72 can swing in a direction approaching or separating from the fixing mechanism. In order to improve stable installation of the knockover briquetting 6, at least two parallel guide rods arranged at intervals are arranged in the swing rod frame 72, and the whole structure of the swing rod frame 72 can be directly composed of the guide rods and a connecting seat for connecting the end parts of the guide rods, which is not particularly limited. Correspondingly, for matching with the guide rod, the top of the knockover pressing block 6 can be provided with a connector 61, wherein the connector 61 is provided with guide holes for the guide rod to pass through in a one-to-one correspondence.
Further, the locking mechanism 200 may specifically include a screw and two lock nuts; the screw is arranged between any two adjacent guide rods on the swing rod frame 72 in parallel with the guide rods; the connector 61 is provided with an avoidance hole for the screw to movably pass through, so that the screw is ensured not to interfere with the movement of the knockover pressing block 6. The two lock nuts are sleeved and fixed on the screw rod and are respectively positioned at two sides of the connector 61. Initially, the two lock nuts are manually turned so that the two lock nuts are far away from each other, and a sufficient space is formed between the two lock nuts for the release ring pressing block 6 to move. After the horizontally moving driving mechanism 5 drives the knockover briquetting 6 to move in place, the two lock nuts can be manually rotated again at the moment, so that the two lock nuts are close to each other to clamp the knockover briquetting 6, and locking and fixing of the knockover briquetting 6 are achieved.
Further, in order to reduce the manual handling work of the tire to be tested, the tire loading assist mechanism 100 may be additionally provided. The tire loading assisting mechanism 100 may specifically include a sub-lift driving mechanism 101, a first connecting arm 102, a second connecting arm 103, and a tire rest 104. The sub-lifting driving mechanism 101 is installed on the machine body 1, is located outside the test working area, and is used for driving the tire rest 104 to lift, and may be installed in the left upright 12 or the right upright 13. One end of the first connecting arm 102 is rotationally connected with the driving end of the terminal lifting driving mechanism 101 along the horizontal direction, and the other end of the first connecting arm is rotationally connected with the second connecting arm 103 along the horizontal direction; the other end of the second connecting arm 103 is rotatably connected with the tire rest 104; the tire rest 104 may be rotated into the test work area and provided with a dodge slot for dodging the fixed structure. The tire rest 104 is connected with the child lifting driving mechanism 101 through two connecting arms, and two are in rotary connection fit, so that the tire rest 104 can be transferred into a test working area through the rotary connecting arms, and the alignment of the tire rest 104 and the tire fixing mechanism 9 can be realized through the rotary tire rest 104. Of course, the control cabinet 8 is also electrically connected with the sub-lifting driving mechanism 101, so that the control is more convenient.
The specific tyre fitting process may be, for example, the following: 1, controlling the tire rest 104 to be lowered to a preset height through the sub-lifting driving mechanism 101; 2, placing the tire to be tested on the tire placing frame 104, and enabling the central axis of the tire to be tested to be positioned at the middle position of the avoidance groove; 3, controlling the tire rest 104 to rise to a preset height through the sub-lifting driving mechanism 101, wherein the preset height is higher than the tire fixing mechanism 9; in the ascending process, the tire rest 104 can be synchronously pushed to enable the connecting arm to rotate, so that the tire rest 104 is pushed into a test working area, and after the tire rest 104 is lifted in place, the tire rest 104 can be pushed again to adjust alignment of tires to be tested on the tire rest 104; 4, the tire rest 104 can be controlled to descend through the sub-lifting driving mechanism 101 after alignment, and when the tire rest is lowered by a certain height, the tire to be tested can be directly placed on the fixing mechanism, at the moment, the tire rest 104 can be pushed out, and then the tire to be tested is fastened.
Further, the tire fixing mechanism 9 may specifically include a rotation driving mechanism 94, a tire mounting spindle 91, a speed reducer, and a fixing base 92. The fixing base is fixed at the bottom of the test working area, the tyre mounting mandrel 91 is rotatably mounted at the top of the fixing base, and the rotating connecting shaft can extend downwards into the base 11. The rotation driving mechanism 94 is connected with the rotation connecting shaft of the tyre mounting mandrel 91 through a speed reducer and is used for driving the tyre mounting mandrel 91 to rotate, and the rotation driving mechanism can be a conventional rotating motor which can be installed in the base 11 together with the speed reducer, so that the whole structure is more compact.
In order to achieve better fixation of the tire to be tested, and also facilitate disassembly and replacement. The tire fixing mechanism of the application also comprises a locking cylinder 95 and a locking rod 93; the specific structure may be, for example, as shown in fig. 5, the whole tyre mounting mandrel 91 may be T-shaped, that is, it is composed of two sections of cylinders, the large diameter section cylinder is rotationally arranged at the top of the fixing seat 92, the small diameter section cylinder forms the above-mentioned rotational connecting shaft, the small diameter section cylinder movably passes through the fixing seat 92 and stretches into the base 11, the rotational driving mechanism 94 is installed in the base 11, and drives the small diameter section cylinder to rotate through the speed reducer and the gear shaft, so as to drive the tyre mounting mandrel 91 to integrally rotate. The locking lever 93 is composed of two sections of lever bodies which are rotationally connected along the same axis and fixedly connected in the axial direction; the locking rod 93 movably penetrates through the tyre mounting mandrel 91 along the central axis of the tyre mounting mandrel 91, the bottom end of the locking rod extends into the base 11, and the top end of the locking rod extends out of the flange 911 at the top of the tyre mounting mandrel 91; the locking cylinder 95 is installed in the base 11 and connected with the bottom end of the locking rod 93, and is used for driving the locking rod 93 to move up and down. Specific applications are as follows: 1, mounting a tire to be tested on a flange 911 of a tire mounting mandrel 91; 2, fastening the locking bolt on the top end of the locking rod 93; and 3, starting a locking cylinder 95 to drive a locking rod 93 to move downwards so as to drive a locking bolt to tightly lock the tire to be tested.
Further, the rotation of the tire mounting spindle 91 is accurately controlled for convenience. The tyre fixing mechanism 9 can also comprise a speed measuring fluted disc and a proximity switch; the speed measuring fluted disc is synchronously rotatably arranged on the extension section of the rotating shaft of the speed reducer; the proximity switch is arranged beside the speed measuring fluted disc and used for detecting the rotation number of the speed measuring fluted disc, and the rotation position, namely the rotation angle, is determined through the rotation number of the speed measuring fluted disc, so that the accurate control of the rotation of the tyre mounting mandrel 91 is realized. The application of the proximity switch and the speed measuring fluted disc can refer to the prior art, and detailed description is omitted.
Further, in order to achieve better control of the adjustment accuracy, the horizontal movement driving mechanism 5 may specifically be a screw 54 driving mechanism. The device comprises a screw rod 54 motor 52, a speed reducer 51, a sliding seat 55, a sliding block 53 and a screw rod 54; in order to ensure that the driving end of the press block driving mechanism 4 can extend downwards under the condition of moving the press block driving mechanism 4; the slide seat 55 may be a frame structure, and has openings up and down, and a sliding cavity is formed inside and fixed on the beam frame 2, and similarly, the beam frame 2 may be a frame structure, and the openings are formed up and down. The lead screw 54 is rotatably installed in the sliding cavity, wherein two lead screws 54 can be arranged, one lead screw 54 is matched with a plurality of guide shafts to improve the installation stability of the sliding block 53, so that the middle part of the sliding block 53 can be provided with an installation opening for avoiding the driving end of the pressing block driving mechanism 4, and the driving end of the pressing block driving mechanism 4 installed on the sliding block 53 can penetrate through the guide shafts or the two lead screws 54 through the installation opening of the sliding block 53 to extend downwards. The screw 54 motor 52 is a conventional servo motor, and is connected to the screw 54 through a speed reducer 51, and can be mounted on the beam frame 2 together with the speed reducer 51.
The control cabinet 8 in the present application may include a cabinet body, a control board, an operation panel 81, a display screen, etc.; the operation panel 81 may include a power on switch, a power off switch, a scram switch, menu selection, parameter selection, etc.; the display screen may be used to display corresponding test data, etc. Of course, the system can also be an external computer to realize functions of menu selection, parameter selection, test data display and the like. The test result can be printed out in time by being externally connected with a printer, and the test result is not particularly limited. In the present application, as shown in fig. 1, the cabinet body may be mounted on the back of the right upright 13, and the operation panel 81 may be mounted on the front of the right upright 13, so that the operation is convenient, and the present application is not limited in particular.
The specific test process of the tester provided by the application can be as follows: 1, completing the tire mounting through the tire mounting auxiliary mechanism 100, wherein the specific tire mounting process can be seen from the tire mounting content and is not repeated; 2, starting the equipment and inputting corresponding parameters of the tire to be tested; 3, the main lifting driving mechanism 3 drives the whole beam frame 2 to descend to a preset height position, and the horizontal movement driving mechanism 5 controls the press block driving mechanism 4 to horizontally move so as to drive the knockover press block 6 to move to a position corresponding to the P value calculated according to the input corresponding parameters; 4, after the knockover pressing block 6 moves in place, an operator locks the knockover pressing block 6 through a locking mechanism 200; 5, beginning to perform the knockover test, enabling the pressing block driving mechanism 4 to descend according to the instruction of the control system, and enabling the knockover pressing block 6 to move downwards along with the rotation center of the swing rod at the moment; in the process, the system depends on the travel measured by the first displacement sensor, the control system can automatically calculate the angle of the swing rod, and the vertical acting force of the swing rod is automatically converted according to the axial acting force of the tire. And 6, after the loop removing test of the loop removing first test point is completed, the system controls the tire fixing mechanism 9 to rotate so as to drive the tire to be tested to rotate to the next test point, and then the step 5 is repeated for testing.
While the tire bead pull resistance testing machine provided by the present application has been described in detail, those skilled in the art will appreciate that the present application is not limited to the specific embodiments and applications described above, based on the concepts of the embodiments of the present application.
Claims (6)
1. The tyre ring-off resistance testing machine is characterized by comprising a machine main body, a cross beam frame, a main lifting driving mechanism, a pressing block driving mechanism, a horizontal movement driving mechanism, a tyre fixing mechanism, a ring-off pressing block, a swinging rod mechanism, a locking mechanism, a detection assembly and a control cabinet;
the machine main body is provided with a test working area;
the tire fixing mechanism is arranged at the bottom of the test working area and is used for fixing the tire to be tested and driving the tire to be tested to rotate;
the beam frame is slidably arranged in the test working area along the vertical direction and is positioned right above the tire fixing mechanism;
the swing rod mechanism is rotatably arranged at the bottom of the cross beam frame along the direction of approaching or separating from the tire fixing mechanism;
the knockover briquetting is slidably arranged on the swing rod mechanism;
the locking mechanism is arranged on the swing rod mechanism and used for locking the ring-off pressing block after sliding adjustment;
the pressing block driving mechanism is arranged on the cross beam frame, and the driving end is hinged with the knockover pressing block and is used for driving the knockover pressing block to move along the vertical direction;
the horizontal movement driving mechanism is arranged on the cross beam frame, and the driving end is connected with the press block driving mechanism and used for driving the press block driving mechanism to horizontally move so as to adjust the P value of the knockover press block;
the main lifting driving mechanism is arranged on the machine body, and the driving end is connected with the beam frame and used for driving the beam frame to move in a lifting manner;
the detection assembly comprises a load sensor, a first displacement sensor, a second displacement sensor and an air pressure detector;
the load sensor is used for detecting the load applied to the knockover pressing block by the pressing block driving mechanism;
the first displacement sensor is used for detecting vertical movement displacement of the knockover pressing block;
the second displacement sensor is used for detecting the horizontal displacement of the knockover pressing block;
the air pressure detector is used for detecting the air pressure of the tire to be tested;
the control cabinet is arranged on the machine main body and is electrically connected with the main lifting driving mechanism, the pressing block driving mechanism, the horizontal movement driving mechanism, the tire fixing mechanism and the detection assembly respectively;
the tyre fixing mechanism comprises a rotary driving mechanism, a tyre mounting mandrel, a speed reducer and a fixing seat;
the fixed seat is fixed at the bottom of the test working area;
the tyre mounting mandrel is rotatably arranged at the top of the fixed seat;
the rotary driving mechanism is in transmission connection with the tyre-filling mandrel through the speed reducer and is used for driving the tyre-filling mandrel to rotate;
the tyre mounting mandrel is of a T-shaped structure, namely, the tyre mounting mandrel consists of two sections of cylinders, a large-diameter section cylinder is rotationally arranged at the top of the fixed seat, a small-diameter section cylinder forms a rotational connecting shaft, the small-diameter section cylinder movably penetrates through the fixed seat to extend into the base of the machine table main body, the rotational driving mechanism is arranged in the base of the machine table main body and drives the small-diameter section cylinder to rotate through the speed reducer and the gear shaft, and then the tyre mounting mandrel is driven to integrally rotate;
the tire fixing mechanism further comprises a locking cylinder and a locking rod, wherein the locking rod consists of two sections of rod bodies, and the two sections of rod bodies are rotationally connected along the same axis and fixedly connected in the axial direction; the locking rod movably penetrates through the tire mounting mandrel along the central axis of the tire mounting mandrel, the bottom end of the locking rod stretches into the base of the machine table main body, and the top end of the locking rod stretches out of the flange at the top of the tire mounting mandrel;
the locking cylinder is arranged in the base of the machine main body and connected with the bottom end of the locking rod, and is used for driving the locking rod to move up and down;
the swing rod mechanism comprises a support arm and a swing rod frame;
the support arm is vertically arranged at one end of the bottom of the beam frame;
one end part of the swing rod frame is hinged with the lower end part of the support arm;
at least two guide rods which are parallel and are arranged at intervals are arranged in the swing rod frame;
a connector is arranged at the top of the knockover pressing block;
the connector is provided with guide holes for the guide rods to pass through in a one-to-one correspondence manner;
the locking mechanism comprises a screw and two locking nuts;
the screw rod is parallel to the guide rods and is arranged between any two adjacent guide rods on the swing rod frame;
the connecting head is provided with an avoidance hole for the screw rod to movably pass through;
the two locking nuts are sleeved and fixed on the screw rod and are respectively positioned at two sides of the connector;
the horizontal movement driving mechanism is specifically a screw rod driving mechanism;
the screw rod driving mechanism comprises a screw rod motor, a speed reducer, a sliding seat, a sliding block and a screw rod;
the sliding seat is of a frame structure, is provided with openings at the upper and lower sides, forms a sliding cavity in the sliding seat and is fixed on the cross beam frame;
the screw rod is rotatably arranged in the sliding cavity, the screw rod is matched with a plurality of guide shafts, the pressing block driving mechanism is arranged on the sliding block, and the middle part of the sliding block is provided with an installation opening for avoiding the driving end of the pressing block driving mechanism.
2. The tire bead breaking resistance testing machine according to claim 1, wherein the machine body comprises a base, a left upright, a right upright and a top beam;
the left upright post and the right upright post are vertically arranged at the top of the base and are distributed at intervals;
the top beam is horizontally arranged between the tops of the left upright posts and the right upright posts;
the base, the left upright post, the right upright post and the top beam enclose the test working area.
3. The tire bead breaking resistance testing machine according to claim 2, wherein a first guide rail is provided on the inner side of the left upright;
a second guide rail is arranged on the inner side surface of the right upright post;
the beam frame is slidably arranged between the first guide rail and the second guide rail;
the main lifting driving mechanism is installed in the left upright post or the right upright post, and the driving end is connected with the beam frame.
4. The tire bead breaking resistance testing machine according to claim 1, wherein the main lifting driving mechanism and the pressing block driving mechanism are both hydraulic cylinder driving mechanisms.
5. The tire bead pull-off resistance testing machine of claim 1 further comprising a tire loading assist mechanism;
the tire mounting auxiliary mechanism comprises a sub lifting driving mechanism, a first connecting arm, a second connecting arm and a tire mounting frame;
the sub-lifting driving mechanism is arranged on the machine main body, is positioned outside the test working area and is used for driving the tire placing frame to move up and down;
one end of the first connecting arm is rotationally connected with the driving end of the sub lifting driving mechanism along the horizontal direction, and the other end of the first connecting arm is rotationally connected with one end of the second connecting arm;
one end of the second connecting arm is rotatably connected with the tire rest;
the tire rest can rotate into the test working area and is provided with an avoidance groove for avoiding the fixed structure;
the control cabinet is electrically connected with the sub-lifting driving mechanism.
6. The tire drop resistance testing machine according to claim 1, wherein the tire securing mechanism further comprises a tachometer disk and a proximity switch;
the speed measuring fluted disc is synchronously rotatably arranged on the extension section of the rotating shaft of the speed reducer;
the proximity switch is arranged beside the speed measuring fluted disc and used for detecting the rotation tooth number of the speed measuring fluted disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011426583.6A CN112414729B (en) | 2020-12-08 | 2020-12-08 | Tyre ring-off resistance testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011426583.6A CN112414729B (en) | 2020-12-08 | 2020-12-08 | Tyre ring-off resistance testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112414729A CN112414729A (en) | 2021-02-26 |
| CN112414729B true CN112414729B (en) | 2023-12-12 |
Family
ID=74776844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011426583.6A Active CN112414729B (en) | 2020-12-08 | 2020-12-08 | Tyre ring-off resistance testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112414729B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219245A (en) * | 2021-12-20 | 2022-10-21 | 广州汽车集团股份有限公司 | Tire bump test method and device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201359567Y (en) * | 2009-02-16 | 2009-12-09 | 青岛卓恒机械有限公司 | Knocking-over testing device of tyre testing machine |
| CN201697753U (en) * | 2010-06-02 | 2011-01-05 | 营口大力汽保设备科技有限公司 | Automatic locking spindle of balancing machine |
| CN102582359A (en) * | 2012-03-13 | 2012-07-18 | 奇瑞汽车股份有限公司 | Automobile tire mounting and dismounting aid |
| US8783326B1 (en) * | 2009-09-09 | 2014-07-22 | Hunter Engineering Company | Tire changing machine with automated tire bead pressing devices, controls and methods |
| CN105021410A (en) * | 2014-12-15 | 2015-11-04 | 高铁检测仪器（东莞）有限公司 | Tire bead-dismounting test device |
| CN204758308U (en) * | 2015-03-18 | 2015-11-11 | 北京橡胶工业研究设计院 | Horizontal adjusting device for cross beam of tire knocking-over testing machine |
| CN105415990A (en) * | 2014-09-15 | 2016-03-23 | 科希股份有限公司 | A machine for fitting and removing a tyre and method for operating the machine |
| CN106142603A (en) * | 2015-04-04 | 2016-11-23 | 青岛软控机电工程有限公司 | Automatic tire demounting device |
| CN108458883A (en) * | 2018-04-17 | 2018-08-28 | 张军 | A kind of device for measuring tubeless tyre bead unseating resistance |
| CN208270215U (en) * | 2018-06-13 | 2018-12-21 | 中国标准化研究院 | A kind of automobile tire testing machine |
| CN109580258A (en) * | 2019-01-24 | 2019-04-05 | 中汽研（天津）汽车工程研究院有限公司 | A kind of dynamic mechanical test macro of tire |
| CN110375997A (en) * | 2019-08-02 | 2019-10-25 | 岳阳山益科技有限公司 | Tyre performance test device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9902219B2 (en) * | 2012-06-28 | 2018-02-27 | Hennessy Industries, Inc. | Two-piece mount/demount head for a wheel servicing machine |
-
2020
- 2020-12-08 CN CN202011426583.6A patent/CN112414729B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201359567Y (en) * | 2009-02-16 | 2009-12-09 | 青岛卓恒机械有限公司 | Knocking-over testing device of tyre testing machine |
| US8783326B1 (en) * | 2009-09-09 | 2014-07-22 | Hunter Engineering Company | Tire changing machine with automated tire bead pressing devices, controls and methods |
| CN201697753U (en) * | 2010-06-02 | 2011-01-05 | 营口大力汽保设备科技有限公司 | Automatic locking spindle of balancing machine |
| CN102582359A (en) * | 2012-03-13 | 2012-07-18 | 奇瑞汽车股份有限公司 | Automobile tire mounting and dismounting aid |
| CN105415990A (en) * | 2014-09-15 | 2016-03-23 | 科希股份有限公司 | A machine for fitting and removing a tyre and method for operating the machine |
| CN105021410A (en) * | 2014-12-15 | 2015-11-04 | 高铁检测仪器（东莞）有限公司 | Tire bead-dismounting test device |
| CN204758308U (en) * | 2015-03-18 | 2015-11-11 | 北京橡胶工业研究设计院 | Horizontal adjusting device for cross beam of tire knocking-over testing machine |
| CN106142603A (en) * | 2015-04-04 | 2016-11-23 | 青岛软控机电工程有限公司 | Automatic tire demounting device |
| CN108458883A (en) * | 2018-04-17 | 2018-08-28 | 张军 | A kind of device for measuring tubeless tyre bead unseating resistance |
| CN208270215U (en) * | 2018-06-13 | 2018-12-21 | 中国标准化研究院 | A kind of automobile tire testing machine |
| CN109580258A (en) * | 2019-01-24 | 2019-04-05 | 中汽研（天津）汽车工程研究院有限公司 | A kind of dynamic mechanical test macro of tire |
| CN110375997A (en) * | 2019-08-02 | 2019-10-25 | 岳阳山益科技有限公司 | Tyre performance test device |
Non-Patent Citations (2)
| Title |
|---|
| 轮胎综合试验机及其应用;董毛华;《轮胎工业》;20071231;第27卷(第12期);第751-753页 * |
| 轿车子午线轮胎脱圈阻力P值探讨;周琼;《中国橡胶》;20171231;第33卷(第13期);第40-42页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112414729A (en) | 2021-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112414729B (en) | Tyre ring-off resistance testing machine | |
| CN208881810U (en) | A kind of pin-connected panel checking of clearance vehicle for motor car inspection and repair library | |
| CN206430893U (en) | Vertical spring torsion testing machine | |
| CN111618572A (en) | Multi-shaft screwing machine for rotary table and slewing bearing bolt | |
| CN108760340B (en) | Chassis dynamometer with vehicle centering mechanism | |
| CN214750432U (en) | High-voltage line detection equipment | |
| CN214156201U (en) | Strengthen electronic briquetting machine of safety protection | |
| CN115727991A (en) | Automatic static torque testing system and testing method | |
| CN113872100B (en) | Zero device is examined to extra-high voltage transmission line strain insulator tower porcelain insulator unmanned aerial vehicle | |
| CN109443754A (en) | A kind of differential gear gap and moment measuring device | |
| CN213580102U (en) | New energy automobile detects uses positioner | |
| CN213301697U (en) | Automobile tire air tightness detection device convenient for automatic transposition | |
| CN209432435U (en) | A kind of differential gear gap and moment measuring device | |
| CN214793819U (en) | Steering column adjusts detection device | |
| CN217463812U (en) | Bridge monitoring device | |
| CN112681986B (en) | Variable angle tower support device | |
| CN219038389U (en) | Window glass lifter slider check out test set | |
| CN116359727B (en) | Series test bed for detecting performance of rocker switch of passenger car | |
| CN219223678U (en) | Brake shoe automatic detection equipment | |
| CN217060160U (en) | VOC gas online monitoring equipment | |
| CN221649529U (en) | Inclination detection device for building identification | |
| CN214003976U (en) | A special staircase for engineering detects | |
| CN219142104U (en) | Building door and window gas tightness check out test set | |
| CN215639891U (en) | Rotary switch torque detection device | |
| CN216483980U (en) | Automobile side protection strength detection test bed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |