CN112213115B - Carbon fiber bicycle frame testing machine - Google Patents
Carbon fiber bicycle frame testing machine Download PDFInfo
- Publication number
- CN112213115B CN112213115B CN202010950523.8A CN202010950523A CN112213115B CN 112213115 B CN112213115 B CN 112213115B CN 202010950523 A CN202010950523 A CN 202010950523A CN 112213115 B CN112213115 B CN 112213115B
- Authority
- CN
- China
- Prior art keywords
- frame
- seat
- strength
- testing device
- load cell
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a carbon fiber bicycle frame testing machine, which comprises a frame, wherein a head pipe strength testing device is arranged at the left end of the frame and used for testing the strength of a head pipe of a bicycle frame; the right end of the frame is provided with a disc brake seat strength testing device which is used for testing the strength of a disc brake seat of the frame; the top of frame is equipped with seat pipe intensity testing arrangement, seat pipe intensity testing arrangement is used for the intensity of the seat pipe of test frame. The invention has reasonable structural design, and the three-in-one testing machine is invented by aiming at three strength tests of the head pipe, the seat pipe and the disc brake seat of the carbon fiber bicycle frame, and the single strength test of the head pipe, the seat pipe and the disc brake seat in the prior art can be successfully completed by one-time assembly and disassembly of the frame by one three-in-one testing machine without the complicated time-consuming process of three assembly and disassembly in the prior art; the test efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of carbon fiber bicycle frame testing, in particular to a carbon fiber bicycle frame testing machine.
Background
Description of the background art: at present, the market is favoured for carbon fiber bicycles, and the biggest bright point is that the bicycle frame is different from the common alloy bicycle frame in light weight on the same strength, but at the same time, when the excellent performance of light weight is pursued, technical risks on strength exist, and when the pursued weight is lighter, the strength risks of the product are higher. The prevention of the risk is to embody the safety and reliability of the product through the related equipment test, so as to ensure the safety performance of the product.
The following describes a prior art carbon fiber bicycle frame, referring to fig. 5, including a head pipe (14), a disc brake seat (15), a seat pipe (16), an upper pipe (17), a lower pipe (18), a seat stay (19), a bottom fork (20) and a mounting hole (21), and the specific connection relationship is shown in fig. 5, which is only one frame in the prior art, and other types of frames are also possible. During testing, for convenience in strength testing, the carbon fiber bicycle frame is generally provided with a disc brake (22) on a disc brake seat, and a seat frame is arranged on a seat tube (16), as shown in fig. 6.
Defects of the prior art scheme:
first, the most important detection of the carbon fiber bicycle frame in the industry is that the basic test is to test the strength, including the strength of the frame head pipe, the strength of the frame seat pipe and the strength of the frame disc brake seat. The strength test of the prior art on the aspects is basically to test the head pipe, the seat pipe and the disc brake seat individually one by one through a single testing device.
Since the one-to-one strength test performed by the single test equipment in the prior art belongs to a single test, the disassembling device is quite time-consuming and low in efficiency before and after each test.
Secondly, because the one-to-one strength test performed by using the independent test equipment in the prior art belongs to single-item independent test, the equipment for testing the strength of the three items is a separate dedicated test machine, and the test results are also the results of independent single items, so that the three items cannot be simultaneously associated on the frame body during the test, and the strength result of the test deviates in the reliability of the whole frame.
Disclosure of Invention
The invention aims to provide a carbon fiber bicycle frame testing machine, which aims to solve the technical problems of considerable time consumption and low efficiency of the strength testing of a bicycle frame in the prior art.
In order to achieve the above purpose, the technical scheme of the invention provides a carbon fiber bicycle frame testing machine, which comprises a frame, wherein a head pipe strength testing device is arranged at the left end of the frame and is used for testing the strength of a head pipe of a bicycle frame; the right end of the frame is provided with a disc brake seat strength testing device which is used for testing the strength of a disc brake seat of the frame; the top of frame is equipped with seat pipe intensity testing arrangement, seat pipe intensity testing arrangement is used for the intensity of the seat pipe of test frame.
Further, a working platform is arranged on the rack, and a top bracket is arranged above the working platform; the head pipe strength testing device is arranged at the left end of the working platform, the disc brake seat strength testing device is arranged at the right end of the working platform, and the seat pipe strength testing device is arranged on the top support; the head pipe strength testing device is also used for supporting and fixing the front end of the frame, and the disc brake seat strength testing device is also used for supporting and fixing the rear end of the frame.
Further, the head pipe strength testing device comprises a sliding seat, wherein the bottom end of the sliding seat is in installation fit with the working platform through a sliding structure extending along the left-right direction, so that the sliding seat can move along the left-right direction; the top end of the sliding seat is provided with a rotary supporting frame, the bottom end of the traction rod is rotationally connected with the rotary supporting frame along the left-right direction, and the top end of the traction rod is used for connecting a head pipe of the fixed frame; a locking structure is further arranged between the bottom end of the sliding seat and the working platform, and the sliding seat is fixed on the working platform when the locking structure is locked; when the locking structure is unlocked, the sliding seat can move along the left-right direction on the working platform so as to test the strength of the head pipe of the frame.
Further, a first hydraulic cylinder is arranged on the left side of the sliding seat and fixed on the working platform, and a first load cell is arranged at the right end of a first hydraulic shaft of the first hydraulic cylinder and used for testing the driving force exerted by the first hydraulic cylinder; the connecting pipe is installed to the right-hand member of first load cell, the left end of sliding seat is equipped with the connecting rod, the connecting rod with the connecting pipe carries out detachable connection.
Further, the carbon fiber bicycle frame testing machine also comprises a first control box, wherein the first control box is used for controlling parameters of the working state of the first hydraulic cylinder; the first control box is electrically connected with the first load cell, so that the data tested by the first load cell are displayed on the first control box.
Further, the right end of the working platform is sunken downwards to form a sunken platform, the disc brake seat strength testing device is mounted on the sunken platform, the disc brake seat strength testing device further comprises a fixing rod, the bottom end of the fixing rod is fixed on the sunken platform, the top end of the fixing rod vertically extends upwards, horizontal rotating shafts are respectively arranged on the front side and the rear side of the top end of the fixing rod, and the horizontal rotating shafts are used for being mounted and matched with mounting holes at the rear end of the frame; the top of dwang is equipped with the shaft hole, the shaft hole with horizontal axis of rotation carries out normal running fit, the left side on the top of dwang is equipped with the fixed block, the fixed block is used for the dish of the installation on the dish seat of stopping with the frame to stop and is connected fixedly, so that when the dwang atress moves, carry out intensity test to the dish seat of stopping of frame.
Further, a pneumatic cylinder is arranged on the right side of the fixed rod, and a second load cell is arranged at the left end of a pneumatic shaft of the pneumatic cylinder and used for testing the driving force exerted by the pneumatic cylinder; the left end of second load cell is equipped with the connecting block, the connecting block with carry out along left and right directions swivelling joint between the bottom of dwang, so that pneumatic cylinder drive the bottom of dwang is along controlling the direction and is moved.
Further, the carbon fiber bicycle frame testing machine also comprises a second control box, wherein the second control box is electrically connected with the second load cell so that data tested by the second load cell are displayed on the second control box; the second control box is electrically connected with the pneumatic cylinder to control the starting and closing of the pneumatic cylinder; the pneumatic control device further comprises an adjustable pneumatic knob, wherein the adjustable pneumatic knob is used for controlling parameters of the working state of the pneumatic cylinder.
Further, the seat tube strength testing device comprises a second hydraulic cylinder, wherein the top end of the second hydraulic cylinder is mounted on the top support, and the bottom end of a second hydraulic shaft of the second hydraulic cylinder extends downwards; the bottom end of the second hydraulic shaft is provided with a third load cell which is used for testing acting force applied by the second hydraulic cylinder; the bottom of third load cell is equipped with the briquetting, the briquetting is used for exerting the effort of upper and lower direction to the seat bone of installing on the seat pipe of frame to carry out intensity test to the seat pipe of frame.
Further, the carbon fiber bicycle frame testing machine also comprises a third control box, wherein the third control box is electrically connected with the third load cell so that data tested by the third load cell are displayed on the third control box; the third control box is electrically connected with the second hydraulic cylinder so as to control parameters of the working state of the second hydraulic cylinder.
In summary, the technical scheme of the invention has the following beneficial effects:
the invention relates to a three-in-one testing machine which is invented by aiming at three strength tests of a head pipe, a seat pipe and a disc brake seat of a carbon fiber bicycle frame, and the three-in-one testing machine can successfully complete three tests by one-time assembly and disassembly of the frame through one three-in-one testing machine by using the head pipe, the seat pipe and the disc brake seat strength single-machine in the prior art without complicated time-consuming processes of three assembly and disassembly in the prior art.
Secondly, the invention combines the procedures of assembling and disassembling the head pipe, the seat pipe and the disc brake seat in the prior art and three independent testers into one three-in-one tester to finish the test, thereby saving a great amount of flow time and greatly improving the test efficiency.
Third, because the invention combines the single test of the head pipe, the seat pipe and the disc brake seat in the prior art into a three-in-one tester for testing, the strength results of the head pipe, the seat pipe and the disc brake seat can be effectively distributed and applied on the same bogie in real time, the deviation of the test results caused by the single test of the single machine is avoided, the reliability of the test results of the product is improved, and the safe use performance of the product is improved.
Fourth, because the invention combines the single test of the head pipe, the seat pipe and the disc brake seat in the prior art to test on a three-in-one tester, the three strength tests of the head pipe, the seat pipe and the disc brake seat can be simultaneously carried out, the stress characteristic of the frame in the riding process in reality can be better simulated, the problem that the data result of the test is greatly deviated from the actual application caused by repeatedly assembling and disassembling the frame or sequentially carrying out the single strength test is avoided, and the reliability of the product test is improved.
Drawings
FIG. 1 is a schematic perspective view of a carbon fiber bicycle frame testing machine of the present invention;
FIG. 2 is a schematic perspective view of a head tube strength testing device of a carbon fiber bicycle frame testing machine according to the present invention;
FIG. 3 is a schematic perspective view of a disc brake seat strength testing device of a carbon fiber bicycle frame testing machine according to the present invention;
FIG. 4 is a schematic perspective view of a seat tube strength testing device of a carbon fiber bicycle frame testing machine according to the present invention;
FIG. 5 is a schematic perspective view of a prior art carbon fiber bicycle frame;
FIG. 6 is a schematic perspective view of a prior art carbon fiber bicycle frame with a disc brake and seat bone mounted thereon;
reference numerals illustrate: 1-a frame; 2-a working platform; 3-a concave platform; 4-top rack; 5-head pipe strength testing device, 501-working plate, 502-fixing seat, 503-first hydraulic cylinder, 5031-first hydraulic shaft, 504-guide rail, 505-sliding seat, 506-guide block, 507-rotating support frame, 508-traction rod, 5081-fixing rod, 509-first loading element, 510-connecting rod, 511-connecting pipe and 512-locking hole; 6-disc brake seat strength testing device, 601-fixing plate, 602-pneumatic cylinder, 6021-pneumatic shaft, 603-fixing rod, 604-fixing base, 605-horizontal rotating shaft, 606-rotating rod, 6061-fixing block, 607-second load cell, 608-connecting block; 7-seat tube strength testing device, 701-guide panel, 702-second hydraulic cylinder, 703-second hydraulic shaft, 704-third load cell, 705-briquetting; 8-a first control box; 9-a second control box; 10-a third control box; 11-a first oil tank; 12-a second oil tank; 13-an adjustable air pressure knob; 14-head pipe, 15-disc brake seat, 16-seat pipe, 17-upper pipe, 18-lower pipe, 19-seat stay, 20-bottom fork, 21-mounting hole and 22-disc brake.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, but the scope of protection of the present invention is not limited.
In the present invention, for a clearer description, the following description is made: the observer views fig. 1 with the front left of the observer set to the left, the rear right of the observer set to the right, the front right of the observer set to the front, the upper face of the observer set to the upper face, and the lower face of the observer set to the lower face, and it should be noted that the terms "front end", "rear end", "left side", "right side", "middle part", "upper part", "lower part" and the like in this text indicate orientations or positional relationships based on the drawings, and are merely for the sake of clarity of description of the present invention, and do not indicate or imply that the structures or components to be referred to must have specific orientations, be structured in specific orientations, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth" and the like are used for clarity or to simplify the description, and are not to be construed as indicating or implying a relative importance or quantity.
Referring to fig. 1, the present embodiment provides a carbon fiber bicycle frame testing machine, which comprises a frame 1, wherein a head pipe strength testing device 5 is arranged at the left end of the frame 1, and the head pipe strength testing device 5 is used for testing the strength of a head pipe 14 of a bicycle frame; the right end of the frame 1 is provided with a disc brake seat strength testing device 6, and the disc brake seat strength testing device 6 is used for testing the strength of a disc brake seat 15 of the frame; the top of the frame 1 is provided with a seat tube strength testing device 7, and the seat tube strength testing device 7 is used for testing the strength of a seat tube 16 of the frame. The beneficial effects generated are that: firstly, the three-in-one testing machine is invented for testing the strength of the head tube, the seat tube and the disc brake seat of the carbon fiber bicycle frame, and the single strength test of the head tube, the seat tube and the disc brake seat in the prior art can be successfully completed by one-time assembly and disassembly of the frame by one three-in-one testing machine, so that the complicated time-consuming process of three assembly and disassembly in the prior art is not needed. Secondly, the invention combines the procedures of assembling and disassembling the head pipe, the seat pipe and the disc brake seat in the prior art and three independent testers into one three-in-one tester to finish the test, thereby saving a great amount of flow time and greatly improving the test efficiency. Third, because the invention combines the single test of the head pipe, the seat pipe and the disc brake seat in the prior art into a three-in-one tester for testing, the strength results of the head pipe, the seat pipe and the disc brake seat can be effectively distributed and applied on the same bogie in real time, the deviation of the test results caused by the single test of the single machine is avoided, the reliability of the test results of the product is improved, and the safe use performance of the product is improved. Fourth, because the invention combines the single test of the head pipe, the seat pipe and the disc brake seat in the prior art to test on a three-in-one tester, the three strength tests of the head pipe, the seat pipe and the disc brake seat can be simultaneously carried out, the stress characteristic of the frame in the riding process in reality can be better simulated, the problem that the data result of the test is greatly deviated from the actual application caused by repeatedly assembling and disassembling the frame or sequentially carrying out the single strength test is avoided, and the reliability of the product test is improved.
Specifically, referring to fig. 1, a working platform 2 is arranged on a frame 1, and a top bracket 4 is arranged above the working platform 2; the head pipe strength testing device 5 is arranged at the left end of the working platform 2, the disc brake seat strength testing device 6 is arranged at the right end of the working platform 2, and the seat pipe strength testing device 7 is arranged on the top bracket 4; the head pipe strength testing device 5 is further used for supporting and fixing the front end of the frame, the disc brake seat strength testing device 6 is further used for supporting and fixing the rear end of the frame, and therefore the frame is fixed through the interaction force cooperation of the head pipe strength testing device 5 and the disc brake seat strength testing device 6 in front and behind, and the movement state of the frame in reality can be better simulated. Of course, the frame can be fixed by specially arranging the fixing device on the frame, but the simulation degree is lower.
The first section, the specific structure and mounting position of the head pipe strength test device 5 will be specifically described below:
specifically, referring to fig. 2, the head pipe strength testing device 5 includes a sliding seat 505, and a sliding structure extending in a left-right direction is mounted between a bottom end of the sliding seat 505 and the working platform 2, so that the sliding seat 505 can move in the left-right direction, thereby simulating movement of a front wheel of a bicycle. The top of sliding seat 505 is equipped with rotates the support frame 507, and the bottom of traction rod 508 carries out along the swivelling joint of left and right directions with rotating the support frame 507, and the top of traction rod 508 is used for connecting the head pipe 14 of fixed frame, and traction rod 508 also plays the supporting role to the head pipe 14 of frame simultaneously. In actual testing, when the sliding seat 505 receives a pulling force from left to right or a pushing force from right, the rear end of the frame is fixed by the disc brake seat strength testing device 6, so that the pushing force or pulling force from left to right received by the sliding seat 505 is transmitted to the head pipe 14 through the rotating support frame 507 and the traction rod 508 in turn, so that the head pipe 14 moves leftwards or rightwards relative to the frame, and further the work of testing the strength of the head pipe 14 in movement is realized. The reason why the locking structure is further provided between the bottom end of the sliding seat 505 and the working platform 2 is that when a certain other item needs to be tested separately, the end of the head pipe 14 of the frame can be kept relatively fixed, and therefore, when other items need to be tested, the variables can be reduced, and the reliability of the test can be improved. That is, when the locking structure is locked, the sliding seat 505 is fixed to the work platform 2; when the locking structure is unlocked, the sliding seat 505 can move in the left-right direction on the working platform 2 to perform strength test on the head pipe 14 of the frame.
Specifically, the first hydraulic cylinder 503 is provided on the left side of the sliding seat 505, and the reason why the hydraulic cylinder is selected as the power is that the strength test is required for the head pipe 14 is relatively large, and it is needless to say that other driving devices having the same function may be selected. The first hydraulic cylinder 503 is fixed on the working platform 2, and the first hydraulic shaft 5031 of the first hydraulic cylinder 503 is detachably connected to the left end of the sliding seat 505 to the right, so that the first hydraulic cylinder 503 can drive the sliding seat 505 to move left and right, and the reason for choosing the detachable connection is to make the position adjustment of the sliding seat 505 in the horizontal direction more flexible.
Specifically, a first load cell 509 is mounted at the right end of the first hydraulic shaft 5031, and the first load cell 509 is used for testing the driving force applied by the first hydraulic cylinder 503, so that the strength of the head pipe 14 of the frame can be tested; the right end of the first load cell 509 is provided with a connection pipe 511, the left end of the sliding seat 505 is provided with a connection rod 510, and the connection rod 510 is detachably connected with the connection pipe 511, more specifically, the connection rod 510 may be inserted into the connection pipe 511, and the detachable connection may be achieved by means of a pin joint or the like.
Specifically, the top end of the traction rod 508 is provided with a fixing rod 5081, and the fixing rod 5081 is provided with external threads for being in threaded connection with internal threads of the head pipe 14 of the frame, so that the connection mode is better in fixation and convenient to assemble and disassemble, and other modes are also possible.
Specifically, the head pipe strength testing apparatus 5 further includes a work plate 501, the work plate 501 being fixed to the work platform 2, the work plate 501 being provided for the purpose of making it easier to move the head pipe strength testing apparatus 5 as a whole. The first hydraulic cylinder 503 is fixed at the left end of the working plate 501 through the fixing seat 502, the right end of the working plate 501 is provided with a guide rail 504 extending along the left-right direction, the bottom end of the sliding seat 505 is provided with a guide block 506 extending along the left-right direction, the bottom of the guide block 506 is provided with a guide groove, and the guide groove of the guide block 506 is matched with the guide rail 504 in an installation manner, so that the sliding seat 505 slides on the guide rail 504.
Specifically, the left and right sides of the bottom end of the sliding seat 505 are respectively provided with a positioning plate, and the positioning plates are respectively provided with a locking hole 512; the guide rail 504 is provided with a plurality of locking holes 512 distributed along the left-right direction; the sliding seat 505 is fixed on the working platform 2 when the locking hole 512 on the positioning plate and the locking hole 512 on the guide rail 504 are locked by the connecting piece; when the locking hole 512 of the positioning plate is unlocked from the locking hole 512 of the fixed rail 504, the slide holder 505 can move in the left-right direction on the work platform 2.
Specifically, the carbon fiber bicycle frame testing machine further comprises a first control box 8, wherein the first control box 8 is used for controlling parameters of the working state of the first hydraulic cylinder 503; the first control box 8 is electrically connected to the first load cell 509 such that data tested by the first load cell 509 is displayed on the first control box 8.
Specifically, the carbon fiber bicycle frame test further includes a first oil tank 11, and the first oil tank 11 is connected with the first hydraulic cylinder 503, so that the first hydraulic cylinder 503 can exchange liquid with the first oil tank 11 when performing driving operation.
The second part, the following will specifically describe the specific structure and installation position of the disc brake pad strength testing device 6:
specifically, referring to fig. 3, the right end of the working platform 2 is recessed downwards to form a recessed platform 3, and the recessed platform 3 is arranged to simulate the actual position of the head pipe 14 of the vehicle frame higher than the position of the disc brake seat 15 of the vehicle frame in reality, so that the reliability of the test result is higher. The disc brake seat strength testing device 6 is mounted on the concave platform 3, the disc brake seat strength testing device 6 further comprises a fixing rod 603, the bottom end of the fixing rod 603 is fixed on the concave platform 3, the top end of the fixing rod 603 vertically extends upwards, horizontal rotating shafts 605 are respectively arranged on the front side and the rear side of the top end of the fixing rod 603, the horizontal rotating shafts 605 are used for being mounted and matched with mounting holes 21 of the seat stays 19 and the bottom forks 20 of the frame at the rear end connection positions, and the mounting holes 21 can be located at other positions with the same functions, namely, the fixing rod 603 is used for fixing and supporting the rear end of the frame through the horizontal rotating shafts 605. The top of dwang 606 is equipped with the shaft hole, and the shaft hole carries out normal running fit with horizontal axis of rotation 605, and the left side on the top of dwang 606 is equipped with down left sloping fixed block 6061, and of course fixed block 6061 also can be upwards left sloping, can be according to the concrete situation of putting of frame and specific structure and decide, and fixed block 6061 is used for being connected fixedly with the dish of installing on the dish seat 15 of stopping of frame and stops 22 to when dwang 606 atress carries out the side-to-side motion, carries out intensity test to the dish seat 15 of stopping of frame. The disc brake 22 may be a test disc brake block or an actual disc brake, and may be fixed by a bolt or the like so that the disc brake 22 is fixed to the fixing block 6061. In actual testing, when the bottom end of the rotating rod 606 receives a rightward tensile force, the generated tensile force is further transmitted to the fixing block 6061, and the fixing block 6061 then enables the disc brake 22 covering the disc brake seat 15 to exert pressure on the disc brake seat 15, so that strength testing of the disc brake seat 15 is achieved, and of course, when the bottom end of the rotating rod 606 receives a leftward pushing force, the fixing block 6061 also enables the disc brake 22 to generate a pushing force, so that strength testing of the disc brake seat 15 can also be achieved.
Specifically, a pneumatic cylinder 602 is disposed on the right side of the fixing rod 603, and a pneumatic shaft 6021 of the pneumatic cylinder 602 is rotatably connected with the bottom end of the rotating rod 606 in the left-right direction, so that when the pneumatic cylinder 602 drives the bottom end of the rotating rod 606 to move in the left-right direction, the fixing block 6061 is driven to move, and the pneumatic cylinder is selected as a power source because the force required for strength test of the disc brake seat 15 at the rear end is small, and of course, other driving devices with the same function can be selected. Namely, the left-right motion generated by the pneumatic cylinder 602 is converted into the motion performed by the rotating rod 606, and the rotating rod 606 generates acting force on the disc brake 22 through the fixed block 6061, so that the disc brake 22 further applies acting force on the disc brake seat 15, thereby achieving the purpose of testing strength.
Specifically, a second load cell 607 is disposed at the left end of the pneumatic shaft 6021, and the second load cell 607 is used for testing the driving force applied by the pneumatic cylinder 602, so as to obtain the test strength of the disc brake seat 15; the left end of the second load cell 607 is provided with a connecting block 608, and the connecting block 608 is rotationally connected with the bottom end of the rotating rod 606 along the left-right direction, so that the pneumatic cylinder 602 drives the bottom end of the rotating rod 606 to move along the left-right direction, and converts the force along the left-right direction into the force of the moving of the fixed block 6061 of the rotating rod 606. The top end of the rotating rod 606 is connected and fixed with the disc brake 22 through the fixing block 6061, so that the rotation of the rotating rod 606 is restrained by the disc brake 22, the rotation amplitude of the rotating rod 606 is very small, and therefore, a point height difference generated when the bottom end of the rotating rod 606 is positioned at different left and right positions on the top end of the rotating rod 606 can be ignored, and a point distance generated when the top end of the rotating rod 606 is upward can be offset by setting a small amount of gaps between the shaft hole of the rotating rod 606 and the horizontal rotating shaft 605 in other modes.
Specifically, the disc brake seat strength testing device 6 further comprises a fixing plate 601, and the fixing plate 601 is fixed on the concave platform 3; the bottom of dead lever 603 is fixed in the left end of fixed plate 601 through unable adjustment base 604, and pneumatic cylinder 602 is fixed in the right-hand member of fixed plate 601, the setting of fixed plate 601 is the setting that makes dish brake seat intensity testing device 6 as a whole be convenient for transport and position adjustment.
Specifically, the carbon fiber bicycle frame testing machine further comprises a second control box 9, wherein the second control box 9 is electrically connected with the second load cell 607, so that data tested by the second load cell 607 are displayed on the second control box 9; the second control box 9 is electrically connected with the pneumatic cylinder 602 to control the starting and closing of the pneumatic cylinder 602; the device also comprises an adjustable air pressure knob 13, wherein the adjustable air pressure knob 13 is used for controlling parameters of the working state of the air pressure cylinder 602.
The third section, the specific structure and mounting location of the seat tube strength testing device 7 will be described in detail below:
specifically, referring to fig. 4, the seat tube strength testing device 7 includes a second hydraulic cylinder 702, a top end of the second hydraulic cylinder 702 is mounted on the top bracket 4, a bottom end of a second hydraulic shaft 703 of the second hydraulic cylinder 702 extends downward, and the bottom end of the second hydraulic shaft 703 is used to apply a force to a seat bone mounted on a seat tube 16 of a vehicle frame from an up-down direction to perform a strength test on the seat tube 16 of the vehicle frame.
Specifically, a third load cell 704 is disposed at the bottom end of the second hydraulic shaft 703, and the third load cell 704 is used for testing the acting force exerted by the second hydraulic cylinder 702; the bottom end of the third load cell 704 is provided with a pressing block 705, and the pressing block 705 is used for pressing down a seat bone arranged on the seat tube 16 of the frame so as to perform strength test on the seat tube 16 of the frame. Of course, the pressing block 705 can be connected and fixed with the seat bone, so that the seat bone can be pulled upwards, and further the strength test in the other direction can be realized.
Specifically, the seat tube strength testing device 7 further includes a guide panel 701, the top surface of the guide panel 701 is fixedly connected with the bottom surface of the top bracket 4, the bottom surface of the guide panel 701 is provided with a guide groove extending along the left-right direction, the top end of the second hydraulic cylinder 702 is provided with a sliding block, and the sliding block is in sliding fit with the guide groove along the left-right direction; the bottom surface of the guide panel 701 is also provided with a plurality of fixing holes, and the sliding block is provided with fixing holes; when the fixing hole of the guide panel 701 and the fixing hole of the slider are locked by the connector, the slider is fixed to the guide panel 701, and when the fixing hole of the guide panel 701 and the fixing hole of the slider are unlocked, the slider can move left and right along the guide groove of the guide panel 701.
Specifically, the carbon fiber bicycle frame testing machine further comprises a third control box 10, wherein the third control box 10 is electrically connected with the third load cell 704, so that data tested by the third load cell 704 are displayed on the third control box 10; the third control box 10 is electrically connected to the second hydraulic cylinder 702 to control parameters of the operating state of the second hydraulic cylinder 702.
Specifically, the carbon fiber bicycle frame testing machine further comprises a second oil tank 12, and the second oil tank 12 is connected with the second hydraulic cylinder 702, so that the second hydraulic cylinder 702 can exchange liquid with the second oil tank 12 when in driving operation.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (8)
1. The utility model provides a carbon fiber bicycle frame test machine, includes frame (1), its characterized in that: the left end of the frame (1) is provided with a head pipe strength testing device (5), and the head pipe strength testing device (5) is used for testing the strength of a head pipe (14) of the frame; the right end of the frame (1) is provided with a disc brake seat strength testing device (6), and the disc brake seat strength testing device (6) is used for testing the strength of a disc brake seat (15) of the frame; the top end of the frame (1) is provided with a seat tube strength testing device (7), and the seat tube strength testing device (7) is used for testing the strength of a seat tube (16) of the frame;
a working platform (2) is arranged on the frame (1), and a top bracket (4) is arranged above the working platform (2); the head pipe strength testing device (5) is arranged at the left end of the working platform (2), the disc brake seat strength testing device (6) is arranged at the right end of the working platform (2), and the seat pipe strength testing device (7) is arranged on the top bracket (4); the head pipe strength testing device (5) is also used for supporting and fixing the front end of the frame, and the disc brake seat strength testing device (6) is also used for supporting and fixing the rear end of the frame;
the head pipe strength testing device (5) comprises a sliding seat (505), wherein the bottom end of the sliding seat (505) is matched with the working platform (2) in a mounting way through a sliding structure extending along the left-right direction, so that the sliding seat (505) can move along the left-right direction; the top end of the sliding seat (505) is provided with a rotary supporting frame (507), the bottom end of a traction rod (508) is rotationally connected with the rotary supporting frame (507) along the left-right direction, and the top end of the traction rod (508) is used for connecting a head pipe (14) of a fixed frame; a locking structure is further arranged between the bottom end of the sliding seat (505) and the working platform (2), and the sliding seat (505) is fixed on the working platform (2) when the locking structure is locked; when the locking structure is unlocked, the sliding seat (505) can move on the working platform (2) along the left-right direction so as to test the strength of the head pipe (14) of the frame.
2. A carbon fiber bicycle frame testing machine according to claim 1, wherein: a first hydraulic cylinder (503) is arranged at the left side of the sliding seat (505), the first hydraulic cylinder (503) is fixed on the working platform (2), a first load cell (509) is arranged at the right end of a first hydraulic shaft (5031) of the first hydraulic cylinder (503), and the first load cell (509) is used for testing the driving force exerted by the first hydraulic cylinder (503); the right-hand member of first load unit (509) is installed connecting pipe (511), the left end of sliding seat (505) is equipped with connecting rod (510), connecting rod (510) with connecting pipe (511) can dismantle the connection.
3. A carbon fiber bicycle frame testing machine according to claim 2, wherein: the hydraulic control system further comprises a first control box (8), wherein the first control box (8) is used for controlling parameters of the working state of the first hydraulic cylinder (503); the first control box (8) is electrically connected with the first load cell (509) so that data tested by the first load cell (509) are displayed on the first control box (8).
4. A carbon fibre bicycle frame testing machine according to any one of claims 1 to 3, wherein: the right end of the working platform (2) is sunken downwards to form a sunken platform (3), the disc brake seat strength testing device (6) is mounted on the sunken platform (3), the disc brake seat strength testing device (6) further comprises a fixing rod (603), the bottom end of the fixing rod (603) is fixed on the sunken platform (3), the top end of the fixing rod (603) vertically extends upwards, horizontal rotating shafts (605) are respectively arranged on the front side and the rear side of the top end of the fixing rod (603), and the horizontal rotating shafts (605) are used for being mounted and matched with mounting holes (21) at the rear end of a frame; the top of dwang (606) is equipped with the shaft hole, the shaft hole with horizontal axis of rotation (605) carry out normal running fit, the left side on the top of dwang (606) is equipped with fixed block (6061), fixed block (6061) are used for being connected fixedly with dish that installs on dish seat of stopping (15) of frame and stop (22), in order to when dwang (606) atress carries out side-to-side motion, carry out intensity test to dish seat of stopping (15) of frame.
5. The carbon fiber bicycle frame testing machine according to claim 4, wherein: a pneumatic cylinder (602) is arranged on the right side of the fixed rod (603), a second load cell (607) is arranged at the left end of a pneumatic shaft (6021) of the pneumatic cylinder (602), and the second load cell (607) is used for testing the driving force exerted by the pneumatic cylinder (602); the left end of the second load cell (607) is provided with a connecting block (608), and the connecting block (608) is in rotary connection with the bottom end of the rotating rod (606) along the left-right direction, so that the pneumatic cylinder (602) drives the bottom end of the rotating rod (606) to move along the left-right direction.
6. The carbon fiber bicycle frame testing machine according to claim 5, wherein: the system further comprises a second control box (9), wherein the second control box (9) is electrically connected with the second load cell (607) so that data tested by the second load cell (607) are displayed on the second control box (9); the second control box (9) is electrically connected with the pneumatic cylinder (602) to control the starting and closing of the pneumatic cylinder (602); the pneumatic control device further comprises an adjustable pneumatic knob (13), wherein the adjustable pneumatic knob (13) is used for controlling parameters of the working state of the pneumatic cylinder (602).
7. A carbon fiber bicycle frame testing machine according to any one of claims 1 to 3, 5 to 6, wherein: the seat tube strength testing device (7) comprises a second hydraulic cylinder (702), wherein the top end of the second hydraulic cylinder (702) is mounted on the top support (4), and the bottom end of a second hydraulic shaft (703) of the second hydraulic cylinder (702) extends downwards; a third load cell (704) is arranged at the bottom end of the second hydraulic shaft (703), and the third load cell (704) is used for testing acting force exerted by the second hydraulic cylinder (702); the bottom of the third load cell (704) is provided with a pressing block (705), and the pressing block (705) is used for applying acting force in the vertical direction to a seat bone arranged on a seat tube (16) of the frame so as to perform strength test on the seat tube (16) of the frame.
8. The carbon fiber bicycle frame testing machine according to claim 7, wherein: the system further comprises a third control box (10), wherein the third control box (10) is electrically connected with the third load cell (704) so that data tested by the third load cell (704) are displayed on the third control box (10); the third control box (10) is electrically connected with the second hydraulic cylinder (702) so as to control parameters of the working state of the second hydraulic cylinder (702).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010950523.8A CN112213115B (en) | 2020-09-11 | 2020-09-11 | Carbon fiber bicycle frame testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010950523.8A CN112213115B (en) | 2020-09-11 | 2020-09-11 | Carbon fiber bicycle frame testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112213115A CN112213115A (en) | 2021-01-12 |
| CN112213115B true CN112213115B (en) | 2023-10-20 |
Family
ID=74049288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010950523.8A Active CN112213115B (en) | 2020-09-11 | 2020-09-11 | Carbon fiber bicycle frame testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112213115B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2590361A1 (en) * | 1985-11-19 | 1987-05-22 | Bike Mach Srl | Automatic machine for testing and squaring bicycle frames |
| CN201229238Y (en) * | 2008-07-23 | 2009-04-29 | 昆山市创新科技检测仪器有限公司 | Comprehensive tester for cycle frame |
| CN204202863U (en) * | 2014-11-05 | 2015-03-11 | 广州市银三环机械有限公司 | A kind of cycle frame five-way rigidity proving installation |
| CN204202862U (en) * | 2014-11-03 | 2015-03-11 | 广州市银三环机械有限公司 | A kind of cycle frame disc brake fatigue test device |
| CN204314063U (en) * | 2014-11-05 | 2015-05-06 | 广州市银三环机械有限公司 | A kind of cycle frame head tube rigidity proving installation |
| CN207730454U (en) * | 2017-12-29 | 2018-08-14 | 广州市杰控机械有限公司 | A kind of cycle frame test device |
| TWI650531B (en) * | 2017-12-19 | 2019-02-11 | 財團法人自行車暨健康科技工業研究發展中心 | Bicycle frame measuring method |
-
2020
- 2020-09-11 CN CN202010950523.8A patent/CN112213115B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2590361A1 (en) * | 1985-11-19 | 1987-05-22 | Bike Mach Srl | Automatic machine for testing and squaring bicycle frames |
| CN201229238Y (en) * | 2008-07-23 | 2009-04-29 | 昆山市创新科技检测仪器有限公司 | Comprehensive tester for cycle frame |
| CN204202862U (en) * | 2014-11-03 | 2015-03-11 | 广州市银三环机械有限公司 | A kind of cycle frame disc brake fatigue test device |
| CN204202863U (en) * | 2014-11-05 | 2015-03-11 | 广州市银三环机械有限公司 | A kind of cycle frame five-way rigidity proving installation |
| CN204314063U (en) * | 2014-11-05 | 2015-05-06 | 广州市银三环机械有限公司 | A kind of cycle frame head tube rigidity proving installation |
| TWI650531B (en) * | 2017-12-19 | 2019-02-11 | 財團法人自行車暨健康科技工業研究發展中心 | Bicycle frame measuring method |
| CN207730454U (en) * | 2017-12-29 | 2018-08-14 | 广州市杰控机械有限公司 | A kind of cycle frame test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112213115A (en) | 2021-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103792056B (en) | A kind of microcomputer controls automotive seat and jolts wriggling testing stand | |
| CN109357962A (en) | A kind of side crops industry bending fatigue test device and method | |
| CN105510047A (en) | Car swing arm road simulation test device | |
| CN115638997A (en) | Frame testing machine | |
| CN112213115B (en) | Carbon fiber bicycle frame testing machine | |
| CN107478440A (en) | Bench test height adjustable device | |
| CN113125171B (en) | Brake hose suspension durability test system | |
| CN207850709U (en) | A kind of automobile suspended fatigue tester | |
| CN205404097U (en) | Footboard endurance test device | |
| CN113624478B (en) | Automobile pedal durability test detection device | |
| CN109738800A (en) | A kind of motor load test fixture | |
| CN209021525U (en) | A kind of mixed type subframe welding tooling pedestal | |
| CN109132761B (en) | Debugging device for driving mechanism of construction lifter | |
| CN210426969U (en) | Test bed for testing fatigue life of wrist arm type supporting device of rigid contact net | |
| CN109556888B (en) | Cab locking mechanism assembly durability detection table for heavy truck | |
| CN209961456U (en) | Durable platform that detects of driver's cabin locking mechanism assembly for light truck | |
| CN208616213U (en) | The vibration experiment of mixed power plant | |
| CN205691333U (en) | Electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform | |
| CN206593853U (en) | Outboard motor gearshift detection means | |
| CN209169607U (en) | Three-phase wire-connecting device | |
| RU48628U1 (en) | STAND FOR TEST AND REPAIR OF ABSORBING APPARATUS FOR PASSENGER CARS | |
| CN220084299U (en) | Pneumatic rod drop impact testing machine | |
| CN116106033A (en) | Special test machine for shock absorbing vehicle | |
| CN220196852U (en) | Flexible screwing device for self-tapping bolt | |
| CN221038550U (en) | Moving iron impact test equipment of jacquard machine assembly |
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 |