CN103528841B - A kind of treadmill integrated test machine - Google Patents
A kind of treadmill integrated test machine Download PDFInfo
- Publication number
- CN103528841B CN103528841B CN201310472396.5A CN201310472396A CN103528841B CN 103528841 B CN103528841 B CN 103528841B CN 201310472396 A CN201310472396 A CN 201310472396A CN 103528841 B CN103528841 B CN 103528841B
- Authority
- CN
- China
- Prior art keywords
- fixed
- transverse part
- guide rail
- cylinder
- switch
- 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
Landscapes
- Rehabilitation Tools (AREA)
Abstract
The present invention provides a kind of treadmill integrated test machine, belongs to field of mechanical technique. it solve the technical problem that existing treadmill exists function singleness. this treadmill integrated test machine, comprise frame, working plate, guide rail one and guide rail two, slide plate one it is provided with between guide rail one and guide rail two, slide plate two it is provided with between guide rail three and guide rail four, upper face one end of working plate is provided with cylinder one, slide plate two is provided with cylinder two, band of running it is arranged with between cylinder one and cylinder two, cylinder one is connected with the rotation mechanism that it can be driven to rotate, rotation mechanism comprises carves band and direct-current machine M more, working plate is also provided with force value sensor one and force value sensor two that band and running band tensioning power are carved in detection more, described direct-current machine M, force value sensor one is connected with a pilot circuit with force value sensor two. the functions such as the noise that the present invention has can detect the static unit elongation of running band, dynamic unit elongation is with in running, carve band wear resisting property and direct-current machine M more.
Description
Technical field
The invention belongs to field of mechanical technique, it relates to a kind of treadmill integrated test machine.
Background technology
Electronic treadmill is gymnasium and the equipment of family's higher gears, it by direct-current machine M drive run band make people with different speed passive run or walk about. Owing to passive formation runs and walk, from action profile, almost run on ground with common or walk the same, but from human body firmly, race on electronic treadmill, walking than common race, walk to eliminate one and pedal to stretch action. Just this point make each on electronic treadmill walk run people feel very free and relaxed, the distance of people's race about 1/3 more than common running can be made, energy expenditure also than common walk, run as many.
In the manufacturing enterprise of treadmill, need to do life test to ensure the quality of treadmill to the R&D and production of the product innovation of treadmill, it is thus desirable to design a kind of test set for testing treadmill performance. Through retrieval, it has been found that China national Department of Intellectual Property discloses a kind of treadmill durability force tester (ZL:201120556159.3), it is characterised in that: this device comprises: a frame, a treadmill position-limited rack, and its fixing treadmill is positioned in frame; Two beater wheels, it is placed in above treadmill; One transverse slide: comprise two cylinders promoted respectively and decontrol beater wheel, two cylinders respectively level be slidedly arranged in frame, between two cylinders and two beater wheels, correspondence is connected with chain; One longitudinal lifting gear, comprises the lifting-bolt that longitudinally promotes transverse slide. The use weather resistance of band of running can only be tested by the treadmill durability force tester of this patent disclosure, it may also be useful to scope is narrower.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that the treadmill integrated test machine that a kind of test specification is wider.
The object of the present invention realizes by following technical proposal: a kind of treadmill integrated test machine, comprise frame, it is characterized in that, described frame is fixed with working plate, parallel on upper face one end of described working plate it is fixed with guide rail one and guide rail two, parallel on the upper face the other end of described working plate it is fixed with guide rail three and guide rail four, described guide rail one and guide rail three are parallel to each other, the slide plate one that can slide it is provided with along guide rail one and guide rail two between described guide rail one and guide rail two, the slide plate two that can slide it is provided with along guide rail three and guide rail four between described guide rail three and guide rail four, the mode that upper face one end of described working plate is rotated by axially fixing and circumference is provided with cylinder one, the mode rotated by axially fixing and circumference on described slide plate two is provided with cylinder two, described cylinder one and cylinder two are parallel to each other, described cylinder one is mutually vertical with the arranged direction of guide rail one, band of running it is arranged with between described cylinder one and cylinder two, one end of described cylinder one is fixed with follow-up pulley, described slide plate one is fixed with direct-current machine M, described direct-current machine M is in the outer end of cylinder one, the output shaft of described direct-current machine M is fixed with the motion-work wheel corresponding with described follow-up pulley, it is arranged with between described motion-work wheel and described follow-up pulley and carves band more, the upper face of described working plate is fixed with cylinder one, the piston rod of described cylinder one is towards slide plate one, the piston rod of described cylinder one is fixed with and connects sleeve pipe one, described slide plate one is fixed with the force value sensor one that can contact with described connection sleeve pipe one, described working plate is offered the sliding eye in bar shaped, described sliding eye to offer direction identical with the arranged direction of described guide rail three, described sliding eye is between guide rail three and guide rail four, described sliding eye is provided with slip block, described slip block top is fixed on described slide plate two, described slip block bottom is fixed with nut, be threaded in described nut screw mandrel, described working plate bottom is axially fixed and circumference rotation is provided with rotating shaft, described rotating shaft one end is fluting end, the rotating shaft the other end is coupling end, the end face of described fluting end has been offered non-circular grafting groove, described grafting groove extends to coupling end direction, the coupling end of described rotating shaft can drive its rotation mechanism rotated to be connected with one, described working plate bottom is fixed with cylinder two, the piston rod of described cylinder two is towards described screw mandrel and is parallel to each other with screw mandrel, the piston rod end of described cylinder two is fixed with and connects sleeve pipe two, the other end of described connection sleeve pipe two is fixed with force value sensor two, the other end of described force value sensor two and one end of screw mandrel are axially fixed and circumference is rotated, the shape of the described screw mandrel the other end and the mating shapes of described grafting groove, the described screw mandrel the other end is plugged in described grafting groove, described direct-current machine M, force value sensor one is connected with a pilot circuit with force value sensor two, described pilot circuit comprises switchgroup HK1, reometer A1, voltmeter V1, described switchgroup HK1 comprises switch HK1-1 and switch HK1-2, first port of described switch HK1-1 and first port of switch HK1-2 are connected with 220V AC power, the described Two-port netwerk of switch HK1-1 is connected with one end of reometer A1, the other end of described reometer A1 is connected with power supply node one end of force value sensor one and force value sensor two, the other end of the power supply node of described force value sensor one and force value sensor two is interconnected, and the connection node connected is connected with the Two-port netwerk of switch HK1-2, described voltmeter V1 is connected in parallel on the Two-port netwerk of switch HK1-1 and switch HK1-2, described pilot circuit also comprises the control device for controlling direct-current machine M and the switchgroup HK2 for control device energising, described switchgroup comprises switch HK2-1 and switch HK2-2, described control device is connected with one end of switch HK2-1 and switch HK2-2, the other end of described switch HK2-1 is connected with the other end of reometer A1, the other end of described switch HK2-2 and the connection node of force value sensor one and force value sensor two the connection node being connected with reometer A1 to connect, described control device is connected with direct-current machine M.
When needing to be tested by treadmill, press switchgroup HK1, then switch HK1-1 and switch HK1-2 closes, force value sensor one and force value sensor two obtain electric work, force value sensor one measurement acts on treadmill and carves the tensioning power brought more, the tensioning power acting on and running and bring measured by force value sensor two, the tensioning power acting on belt by changing, and the change of the force value sensor load in pilot circuit caused by the change of tensioning power, read the numerical value change in reometer A1 and voltmeter V1, measure the displacement parameter change that different reactive force causes simultaneously, thus measure the static unit elongation running band, 2, the tensioning power acting on belt by changing, close switchgroup HK2, and switch HK2-1 and switch HK2-2 closes, and direct-current machine M rotating speed is adjusted to maximum by control control device, move to specific time continuously, thus judge to carve the abrasive conditions be with and run band more, 3, roller and direct-current machine M rotation noise can be tested by psophometer.
Described control device comprises current rectifying and wave filtering circuit, step-down circuit, controller and the touch-screen for inputting control signal, the input terminus of described current rectifying and wave filtering circuit is connected with above-mentioned switchgroup HK2, the output terminal of described current rectifying and wave filtering circuit is connected with the input terminus of step-down circuit, the described output terminal of step-down circuit is connected with the power input of controller, and described controller is also connected with touch-screen. Direct-current machine M needs volts DS to control to drive, it is thus desirable to current rectifying and wave filtering circuit and step-down circuit, arrange controller direct-current machine M is carried out speed governing by output voltage by changing simultaneously, carries out control operation by touch-screen, more directly perceived and better reliability.
The signal input terminus of described controller is connected with touch-screen, the signal output terminal of described controller comprises two output ports, it is respectively the first output port and the 2nd output port, the first described output port is connected with reometer A2, described reometer A2 is connected with direct-current machine M, the 2nd described output port is connected with direct-current machine M, is parallel with voltmeter V2 between described first output port and the 2nd output port. Reometer A2 can reflect the size of current being carried on direct-current machine M intuitively, and voltmeter V2 can reflect the voltage size being carried on direct-current machine M intuitively, convenient operation.
Described reometer A1 is alternating current table, and voltmeter V1 is A.C. voltmeter.
Described reometer A2 is DC ammeter, and described voltmeter V2 is A.C. voltmeter.
Parallel connection power supply signal prompt lamp D is gone back between the switch HK1-1 of described switchgroup HK1 and the Two-port netwerk of switch HK1-2. Signal prompt lamp D is set, is convenient to troubleshooting maintenance.
The switch HK2-1 of described switchgroup HK2 and current rectifying and wave filtering circuit input terminus wire are provided with safety fuse FU. Overload is avoided to burn out components and parts.
Being provided with hinge seat between described force value sensor two and screw mandrel, described force value sensor two is fixed on hinge seat one end, and the mode that described screw mandrel is rotated by axially fixing and circumference is arranged on the hinge seat the other end.
Described frame is fixed with bearing support, it is provided with bearing in described bearing support, above-mentioned rotating shaft by the inner ring of bearing through and the inner ring of rotating shaft and bearing be connected mutually, described rotation mechanism comprises handwheel and handle, being fixed on above-mentioned roller end place in the middle part of described handwheel, described handle is fixed on handwheel.
The cross section of described grafting groove is rectangular, and the cross section of described screw mandrel end is also rectangular.
Described guide rail one is provided with slide block one, described guide rail two is provided with slide block two, described guide rail three is provided with slide block three, described guide rail four is provided with slide block four, described slide plate one is fixed on slide block one and slide block two, and described slide plate two is fixed on slide block three and slide block four.
Also being fixed with graduated scale on described working plate, graduated scale and guide rail three are parallel to each other, and described slide plate two end winding support has displacement pointer, and described displacement pointer is in the surface of graduated scale.
Described cylinder one is connected with an air pump with tracheae two by tracheae one respectively with cylinder two, and described tracheae one and tracheae two are respectively arranged with manually operated directional valve one and manually operated directional valve two; Also being respectively arranged with reducing valve one and reducing valve two on described tracheae one and tracheae two, described reducing valve one is between manually operated directional valve one and cylinder one, and described reducing valve two is between manually operated directional valve two and cylinder two.
One of them end face of described cylinder one is offered groove one has been installed, another end face of cylinder one is offered groove two has been installed, install in groove one and it is provided with bearing one, the outer ring of bearing one is fixed on the cell wall installing groove one, the inner ring of bearing one wears and is fixed with installation shaft one, the axial plane of installation shaft one end has been offered axial trough one, working plate is fixed with mount pad one, mount pad one comprises the upper transverse part one being parallel to each other, inferior transverse part one and the vertical portion one being vertically fixed between upper transverse part one and inferior transverse part one, the upper surface of inferior transverse part one is offered the locating slot one in V-shape, installation shaft one is between upper transverse part one and inferior transverse part one and is placed in locating slot one, the upper surface place of upper transverse part one offers through threaded hole one, be threaded in threaded hole one screw one, the bottom land of the lower end of described screw one in axial trough one and with axial trough one contacts, install in groove two and it is provided with bearing two, the outer ring of bearing two is fixed on the cell wall installing groove two, the inner ring of bearing two wears and is fixed with installation shaft two, the axial plane of installation shaft two end has offered axial trough two, working plate is fixed with mount pad two, mount pad two comprises the upper transverse part two being parallel to each other, inferior transverse part two and the vertical portion two being vertically fixed between upper transverse part two and inferior transverse part two, the upper surface of inferior transverse part two is offered the locating slot two in V-shape, installation shaft two is between upper transverse part two and inferior transverse part two and is placed in locating slot two, the upper surface place of upper transverse part two offers through threaded hole two, be threaded in threaded hole two screw two, the bottom land of the lower end of described screw two in axial trough two and with axial trough two contacts,
One of them end face of described cylinder two is offered groove three has been installed, another end face of cylinder two is offered groove four has been installed, install in groove three and it is provided with bearing three, the outer ring of bearing three is fixed on the cell wall installing groove three, the inner ring of bearing three wears and is fixed with installation shaft three, the axial plane of the one end of installation shaft three has been offered axial trough three, slide plate two is fixed with mount pad three, mount pad three comprises the upper transverse part three being parallel to each other, inferior transverse part three and the vertical portion three being vertically fixed between upper transverse part three and inferior transverse part three, the upper surface of inferior transverse part three is offered the locating slot three in V-shape, installation shaft three is between upper transverse part three and inferior transverse part three and is placed in locating slot three, the upper surface place of upper transverse part three offers through threaded hole three, be threaded in threaded hole three screw three, the bottom land of the lower end of described screw three in axial trough three and with axial trough three contacts, install in groove four and it is provided with bearing four, the outer ring of bearing four is fixed on the cell wall installing groove four, the inner ring of bearing four wears and is fixed with installation shaft four, the axial plane of installation shaft four end has offered axial trough four, slide plate two is fixed with mount pad four, mount pad four comprises the upper transverse part four being parallel to each other, inferior transverse part four and the vertical portion four being vertically fixed between upper transverse part four and inferior transverse part four, the upper surface of inferior transverse part four is offered the locating slot four in V-shape, installation shaft four is between upper transverse part four and inferior transverse part four and is placed in locating slot four, the upper surface place of upper transverse part four offers through threaded hole four, be threaded in threaded hole four screw four, the bottom land of the lower end of described screw four in axial trough four and with axial trough four contacts.
Compared with prior art, the present invention has the following advantages:
1, the present invention has more detection function, the static unit elongation of running band can be detected, the dynamic unit elongation of band of running, carve band wear resisting property more, cylinder one and the noise of cylinder two and the noise etc. of direct-current machine M.
2, the upper surface of inferior transverse part one, two, three and four offers the locating slot in V-shape, installation shaft is installed more stable;
3, the switch HK2-1 of switchgroup HK2 and current rectifying and wave filtering circuit input terminus wire are provided with safety fuse FU, avoid overload to burn out components and parts.
4, by offering the locating slot one in V-shape and locating slot two makes the easier for installation of installation shaft one and installation shaft two; By offering the locating slot three in V-shape and locating slot four makes the easier for installation of installation shaft one and installation shaft two.
5, entering into axial trough one and axial trough two by screw one and screw two with installation shaft one and installation shaft two, thus installation shaft one and installation shaft two axial location are lived, locating effect is better, meanwhile, and also easy disassembly and maintenance; Entering into axial trough three and axial trough four by screw three and screw four with installation shaft three and installation shaft four, thus installation shaft three and installation shaft four-axial are located, locating effect is better, meanwhile, and also easy disassembly and maintenance.
6, by the work of nut-screw rod thus drive slide plate two along guide rail three and guide rail four slip, thus drive the movement of cylinder two, need not dismount whole, treadmill integration test function just can be made to be used for detecting the running band of different lengths, improve range of application, it is to increase working efficiency, reduce labour intensity.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention.
Fig. 2 is the vertical view of the present invention.
Fig. 3 is the right view of the present invention.
Fig. 4 is the structural representation of pilot circuit.
In figure, 1, frame; 2, working plate; 3, guide rail one; 4, guide rail three; 5, slide plate one; 6, slide plate two; 7, cylinder one; 8, cylinder two; 9, follow-up pulley; 10, direct-current machine M; 11, motion-work wheel; 12, carve band more; 13, cylinder one; 14, sleeve pipe one is connected; 15, force value sensor one; 16, sliding eye; 17, slip block; 18, nut; 19, screw mandrel; 20, rotating shaft; 21, cylinder two; 22, sleeve pipe two is connected; 23, force value sensor two; 24, reducing valve two; 25, hinge seat; 26, handwheel; 27, handle; 28, bearing support; 29, bearing; 30, graduated scale; 31, displacement pointer; 32, manually operated directional valve one; 33, manually operated directional valve two; 34, reducing valve one; 35, running band.
Embodiment
The following is specific embodiments of the invention and by reference to the accompanying drawings, the technical scheme of the present invention is further described, but the present invention is not limited to these embodiments.
As shown in Figure 1, a kind of treadmill integrated test machine, comprise frame 1, described frame 1 is fixed with working plate 2, parallel on upper face one end of described working plate 2 it is fixed with guide rail 1 and guide rail two, parallel on the upper face the other end of described working plate 2 it is fixed with guide rail 34 and guide rail four, described guide rail 1 and guide rail 34 are parallel to each other, the slide plate 1 that can slide it is provided with along guide rail 1 and guide rail two between described guide rail 1 and guide rail two, the slide plate 26 that can slide it is provided with along guide rail 34 and guide rail four between described guide rail 34 and guide rail four, the mode that upper face one end of described working plate 2 is rotated by axially fixing and circumference is provided with cylinder 1, the mode rotated by axially fixing and circumference on described slide plate 26 is provided with cylinder 28, described cylinder 1 and cylinder 28 are parallel to each other, described cylinder 1 is mutually vertical with the arranged direction of guide rail 1, it is arranged with running band 35 between described cylinder 1 and cylinder 28, one end of described cylinder 1 is fixed with follow-up pulley 9, described slide plate 1 is fixed with direct-current machine M10, cylinder 1 is inner near one end of cylinder 28, cylinder 1 is outer end away from one end of cylinder 28, described direct-current machine M10 is in the outer end of cylinder 1, the output shaft of described direct-current machine M10 is fixed with the motion-work wheel 11 corresponding with described follow-up pulley 9, it is arranged with between described motion-work wheel 11 and described follow-up pulley 9 and carves band 12 more, the upper face of described working plate 2 is fixed with cylinder 1, the piston rod of described cylinder 1 is towards slide plate 1, the piston rod of described cylinder 1 is fixed with and connects sleeve pipe 1, described slide plate 1 is fixed with the force value sensor 1 that can contact with described connection sleeve pipe 1, described working plate 2 is offered the sliding eye 16 in bar shaped, described sliding eye 16 to offer direction identical with the arranged direction of described guide rail 34, described sliding eye 16 is between guide rail 34 and guide rail four, described sliding eye 16 is provided with slip block 17, described slip block 17 top is fixed on described slide plate 26, described slip block 17 bottom is fixed with nut 18, be threaded in described nut 18 screw mandrel 19, described working plate 2 bottom is axially fixed and circumference rotation is provided with rotating shaft 20, described rotating shaft 20 one end is fluting end, rotating shaft 20 the other end is coupling end, the end face of described fluting end has been offered non-circular grafting groove, described grafting groove extends to coupling end direction, the coupling end of described rotating shaft 20 can drive its rotation mechanism rotated to be connected with one, described working plate 2 bottom is fixed with cylinder 2 21, the piston rod of described cylinder 2 21 is towards described screw mandrel 19 and is parallel to each other with screw mandrel 19, the piston rod end of described cylinder 2 21 is fixed with and connects sleeve pipe 2 22, the other end of described connection sleeve pipe 2 22 is fixed with force value sensor 2 23, the other end of described force value sensor 2 23 and one end of screw mandrel 19 are axially fixed and circumference is rotated, the shape of described screw mandrel 19 the other end and the mating shapes of described grafting groove, described screw mandrel 19 the other end is plugged in described grafting groove, described direct-current machine M10, force value sensor 1 is connected with a pilot circuit with force value sensor 2 23, the described pilot circuit described in pilot circuit comprises switchgroup HK1, reometer A1, voltmeter V1, described switchgroup HK1 comprises switch HK1-1 and switch HK1-2, first port of described switch HK1-1 and first port of switch HK1-2 are connected with 220V AC power, the described Two-port netwerk of switch HK1-1 is connected with one end of reometer A1, the other end of described reometer A1 is connected with power supply node one end of force value sensor 1 and force value sensor 2 23, the other end of the power supply node of described force value sensor 1 and force value sensor 2 23 is interconnected, and the connection node connected is connected with the Two-port netwerk of switch HK1-2, described voltmeter V1 is connected in parallel on the Two-port netwerk of switch HK1-1 and switch HK1-2, described pilot circuit also comprises the control device for controlling direct-current machine M10 and the switchgroup HK2 for control device energising, described switchgroup comprises switch HK2-1 and switch HK2-2, described control device is connected with one end of switch HK2-1 and switch HK2-2, the other end of described switch HK2-1 is connected with the other end of reometer A1, the other end of described switch HK2-2 and the connection node of force value sensor 1 and force value sensor 2 23 the connection node being connected with reometer A1 to connect, described control device is connected with direct-current machine M10.
Described control device comprises current rectifying and wave filtering circuit, step-down circuit, controller and the touch-screen for inputting control signal, the input terminus of described current rectifying and wave filtering circuit is connected with above-mentioned switchgroup HK2, the output terminal of described current rectifying and wave filtering circuit is connected with the input terminus of step-down circuit, the described output terminal of step-down circuit is connected with the power input of controller, and described controller is also connected with touch-screen. Direct-current machine M10 needs volts DS to control to drive, it is thus desirable to current rectifying and wave filtering circuit and step-down circuit, arrange controller direct-current machine M10 is carried out speed governing by output voltage by changing simultaneously, carries out control operation by touch-screen, more directly perceived and better reliability.
The signal input terminus of described controller is connected with touch-screen, the signal output terminal of described controller comprises two output ports, it is respectively the first output port and the 2nd output port, the first described output port is connected with reometer A2, described reometer A2 is connected with direct-current machine M10, the 2nd described output port is connected with direct-current machine M10, is parallel with voltmeter V2 between described first output port and the 2nd output port. Reometer A2 can reflect the size of current being carried on direct-current machine M10 intuitively, and voltmeter V2 can reflect the voltage size being carried on direct-current machine M10 intuitively, convenient operation.
The force value digital display meter one that force value sensor 1 can manifest force value size with one is connected, and the force value digital display meter two that force value sensor 2 23 can manifest force value size with is connected.
Described reometer A1 is alternating current table, and voltmeter V1 is A.C. voltmeter.
Described reometer A2 is DC ammeter, and described voltmeter V2 is A.C. voltmeter.
Parallel connection power supply signal prompt lamp D is gone back between the switch HK1-1 of described switchgroup HK1 and the Two-port netwerk of switch HK1-2. Signal prompt lamp D is set, is convenient to troubleshooting maintenance.
The switch HK2-1 of described switchgroup HK2 and current rectifying and wave filtering circuit input terminus wire are provided with safety fuse FU. Overload is avoided to burn out components and parts.
Being provided with hinge seat 25 between described force value sensor 2 23 and screw mandrel 19, described force value sensor two is fixed on hinge seat 25 one end, and the mode that described screw mandrel 19 is rotated by axially fixing and circumference is arranged on hinge seat 25 the other end. The cross section of described hinge seat 25 is U-shaped, hinge seat 25 comprises horizontal portion and the vertical part one being vertically fixed on two ends, horizontal portion and vertical part two, value sensor two is fixed on vertical part one, open holes has been offered in vertical part two, described screw mandrel 19 fixes through open holes and a limited block, and limited block is between vertical part one and vertical part two. Concrete, the cross section of open holes is rounded, and the cross section of screw mandrel 19 end is also rounded, and the cross section of limited block is also rounded, and the aperture of open holes is greater than the external diameter of screw mandrel 19 end, and the aperture of open holes is less than the external diameter of limited block.
Described frame 1 is fixed with bearing support 28, it is provided with bearing 29 in described bearing support 28, above-mentioned rotating shaft 20 by the inner ring of bearing 29 through and the inner ring of rotating shaft 20 and bearing 29 be connected mutually, described rotation mechanism comprises handwheel 26 and handle 27, being fixed on above-mentioned rotating shaft 20 end in the middle part of described handwheel 26, described handle 27 is fixed on handwheel 26.
The cross section of described grafting groove is rectangular, and the cross section of described screw mandrel 19 end is also rectangular.
Described guide rail 1 is provided with slide block one, described guide rail two is provided with slide block two, described guide rail 34 is provided with slide block three, described guide rail four is provided with slide block four, described slide plate 1 is fixed on slide block one and slide block two, and described slide plate 26 is fixed on slide block three and slide block four.
Also being fixed with graduated scale 30 on described working plate 2, graduated scale 30 and guide rail 34 are parallel to each other, and described slide plate 26 end winding support has displacement pointer 31, and described displacement pointer 31 is in the surface of graduated scale 30.
Described cylinder 1 is connected with an air pump with tracheae two by tracheae one respectively with cylinder 2 21, and described tracheae one and tracheae two are respectively arranged with manually operated directional valve 1 and manually operated directional valve 2 33; Also being respectively arranged with reducing valve 1 and reducing valve 2 24 on described tracheae one and tracheae two, described reducing valve 1 is between manually operated directional valve 1 and cylinder 1, and described reducing valve 2 24 is between manually operated directional valve 2 33 and cylinder 2 21.
One of them end face of cylinder 1 is offered groove one has been installed, another end face of cylinder 1 has been offered groove two is installed. install in groove one and it is provided with bearing one, the outer ring of bearing one is fixed on the cell wall installing groove one, the inner ring of bearing one wears and is fixed with installation shaft one, the axial plane of installation shaft one end has been offered axial trough one, working plate 2 is fixed with mount pad one, mount pad one comprises the upper transverse part one being parallel to each other, inferior transverse part one and the vertical portion one being vertically fixed between upper transverse part one and inferior transverse part one, the upper surface of inferior transverse part one is offered the locating slot one in V-shape, installation shaft one is between upper transverse part one and inferior transverse part one and is placed in locating slot one, the upper surface place of upper transverse part one offers through threaded hole one, be threaded in threaded hole one screw one, the bottom land of the lower end of described screw one in axial trough one and with axial trough one contacts. install in groove two and it is provided with bearing two, the outer ring of bearing two is fixed on the cell wall installing groove two, the inner ring of bearing two wears and is fixed with installation shaft two, the axial plane of installation shaft two end has offered axial trough two, working plate 2 is fixed with mount pad two, mount pad two comprises the upper transverse part two being parallel to each other, inferior transverse part two and the vertical portion two being vertically fixed between upper transverse part two and inferior transverse part two, the upper surface of inferior transverse part two is offered the locating slot two in V-shape, installation shaft two is between upper transverse part two and inferior transverse part two and is placed in locating slot two, the upper surface place of upper transverse part two offers through threaded hole two, be threaded in threaded hole two screw two, the bottom land of the lower end of described screw two in axial trough two and with axial trough two contacts,
One of them end face of cylinder 28 is offered groove three has been installed, another end face of cylinder 28 has been offered groove four is installed. install in groove three and it is provided with bearing three, the outer ring of bearing three is fixed on the cell wall installing groove three, the inner ring of bearing three wears and is fixed with installation shaft three, the axial plane of the one end of installation shaft three has been offered axial trough three, slide plate 26 is fixed with mount pad three, mount pad three comprises the upper transverse part three being parallel to each other, inferior transverse part three and the vertical portion three being vertically fixed between upper transverse part three and inferior transverse part three, the upper surface of inferior transverse part three is offered the locating slot three in V-shape, installation shaft three is between upper transverse part three and inferior transverse part three and is placed in locating slot three, the upper surface place of upper transverse part three offers through threaded hole three, be threaded in threaded hole three screw three, the bottom land of the lower end of described screw three in axial trough three and with axial trough three contacts. install in groove four and it is provided with bearing four, the outer ring of bearing four is fixed on the cell wall installing groove four, the inner ring of bearing four wears and is fixed with installation shaft four, the axial plane of installation shaft four end has offered axial trough four, slide plate 26 is fixed with mount pad four, mount pad four comprises the upper transverse part four being parallel to each other, inferior transverse part four and the vertical portion four being vertically fixed between upper transverse part four and inferior transverse part four, the upper surface of inferior transverse part four is offered the locating slot four in V-shape, installation shaft four is between upper transverse part four and inferior transverse part four and is placed in locating slot four, the upper surface place of upper transverse part four offers through threaded hole four, be threaded in threaded hole four screw four, the bottom land of the lower end of described screw four in axial trough four and with axial trough four contacts.
This treadmill integrated test machine at least has following detection function:
One, the static unit elongation test of running band:
1, being with 35 to be set between cylinder 1 and cylinder 28 running, in an initial condition, band 35 of running is in releasing orientation; Rotating shaft 20 is made to start to rotate by rotating handwheel 26, rotating shaft 20 drives screw mandrel 19 to rotate after rotating, screw mandrel 19 rotates the nut 18 that rear thread is connected on screw mandrel 19 and moves, nut 18 moves and drives slide plate 26 to move along guide rail 34 and guide rail four by slip block 17 again, now, cylinder 28, away from cylinder 1, makes running band 35 be in slight tensioning state; 2, press switchgroup HK1, then switch HK1-1 and switch HK1-2 closes, and D1 power light is bright; Voltmeter V1, voltmeter V2, reometer A1, reometer A2, force value sensor 1 and force value sensor 2 23 obtain electric work, force value digital display meter one measurement acts on treadmill and carves the tensioning power on band 12 more, force value digital display meter two measures the tensioning power acting on and running on band 35, and voltmeter V2, reometer A1, reometer A2 show numerical value; 3, air pump is opened, rotation manual reversing valve 2 33, the piston rod of cylinder 2 21 outwards stretches out, screw mandrel 19 is promoted to move, screw mandrel 19 drives nut 18 to move again, and nut 18 moves and drives slide plate 26 to move along guide rail 34 and guide rail four by slip block 17 again, now, cylinder 28 is away from cylinder 1, thus strains running band 35; By reducing valve 2 24, adjustment bleed pressure size, thus adjust band 35 tensioning power of running, until force value digital display meter two shows the tensioning power of regulation; 4. read the data that displacement pointer 31 shows on graduated scale 30, and record; After being loaded on specific time (such as two hours), again record data; 5, the difference of two secondary data, is the static unit elongation of band 35 of running.
Two, the dynamic unit elongation of band of running is tested:
1, close switchgroup HK2, switch HK2-1 and switch HK2-2 closes, and by the switch on touch-screen, is adjusted to maximum by direct-current machine M10 rotating speed, after moving to specific time (such as every time running three hours) continuously, read on displacement pointer 31 scale the data record that show; 2, this record data and first record data between difference, be run band dynamic unit elongation.
Three, carve the test of band wear resisting property more:
Close switchgroup HK2, switch HK2-1 and switch HK2-2 closes, and by the switch on touch-screen, is adjusted to maximum by direct-current machine M10 rotating speed, after moving to specific time (such as every time running three hours) continuously, the abrasive conditions of band 12 is carved in range estimation more.
Four, the noise test of cylinder one and cylinder two:
1, close switchgroup HK2, and switch HK2-1 and switch HK2-2 closes, and the noise of outsourcing is surveyed view probe and is placed on cylinder 1 and the position (directly over such as cylinder 1 and cylinder 28 high 10cm place) of cylinder 28 regulation; 2, by the switch on touch-screen, direct-current machine M10 rotating speed is run from low to high successively for some time (such as one hour), records the noise numerical value of each speed threshold. 3, by the switch on touch-screen, by direct-current machine M10 adjustment of rotational speed to top speed shelves, after moving to specific time continuously (such as ten hours), again test each speed threshold run noise numerical value and record.
Five, direct-current machine M noise test
1, close switchgroup HK2, and switch HK2-1 and switch HK2-2 closes, and the noise of outsourcing is surveyed the position (directly over such as direct-current machine M10 high 10cm place) that view probe is placed on direct-current machine M10 and specifies; 2, by the switch on touch-screen, direct-current machine M10 rotating speed is run from low to high successively for some time (such as one hour), records the noise numerical value of each speed threshold. 3, by the switch on touch-screen, by direct-current machine M10 adjustment of rotational speed to top speed shelves, after moving to specific time continuously (such as ten hours), again test each speed threshold run noise numerical value and record.
Embodiment two:
In the present embodiment two, content is roughly roughly the same with the content in embodiment one, the difference is that the cross section of the grafting groove in embodiment one rectangular, the cross section of described screw mandrel 19 end is also rectangular; And the cross section of grafting groove in the present embodiment two is triangular in shape, the cross section of described screw mandrel 19 end is also triangular in shape.
Embodiment three:
In the present embodiment three, content is roughly roughly the same with the content in embodiment one, the difference is that the cross section of the grafting groove in embodiment one rectangular, the cross section of described screw mandrel 19 end is also rectangular; And the cross section of the grafting groove in the present embodiment three is trapezoidal, the cross section of described screw mandrel 19 end is also in trapezoidal.
Embodiment four:
In the present embodiment four, content is roughly roughly the same with the content in embodiment one, the difference is that the force value sensor 2 23 in embodiment one and be provided with hinge seat 25 between screw mandrel 19, described value sensor two is fixed on hinge seat 25 one end, and the mode that described screw mandrel 19 is rotated by axially fixing and circumference is arranged on hinge seat 25 the other end; And in the present embodiment four, between force value sensor 2 23 and screw mandrel 19, it being provided with connection bearing, described force value sensor 2 23 is fixed on the outer ring of connection bearing, and screw mandrel 19 wears and is fixed on the inner ring place of connection bearing.
Claims (10)
1. a treadmill integrated test machine, comprise frame, it is characterized in that, described frame is fixed with working plate, parallel on upper face one end of described working plate it is fixed with guide rail one and guide rail two, parallel on the upper face the other end of described working plate it is fixed with guide rail three and guide rail four, described guide rail one and guide rail three are parallel to each other, the slide plate one that can slide it is provided with along guide rail one and guide rail two between described guide rail one and guide rail two, the slide plate two that can slide it is provided with along guide rail three and guide rail four between described guide rail three and guide rail four, the mode that upper face one end of described working plate is rotated by axially fixing and circumference is provided with cylinder one, the mode rotated by axially fixing and circumference on described slide plate two is provided with cylinder two, described cylinder one and cylinder two are parallel to each other, described cylinder one is mutually vertical with the arranged direction of guide rail one, band of running it is arranged with between described cylinder one and cylinder two, one end of described cylinder one is fixed with follow-up pulley, described slide plate one is fixed with direct-current machine M, described direct-current machine M is in the outer end of cylinder one, the output shaft of described direct-current machine M is fixed with the motion-work wheel corresponding with described follow-up pulley, it is arranged with between described motion-work wheel and described follow-up pulley and carves band more, the upper face of described working plate is fixed with cylinder one, the piston rod of described cylinder one is towards slide plate one, the piston rod of described cylinder one is fixed with and connects sleeve pipe one, described slide plate one is fixed with the force value sensor one that can contact with described connection sleeve pipe one, described working plate is offered the sliding eye in bar shaped, described sliding eye to offer direction identical with the arranged direction of described guide rail three, described sliding eye is between guide rail three and guide rail four, described sliding eye is provided with slip block, described slip block top is fixed on described slide plate two, described slip block bottom is fixed with nut, be threaded in described nut screw mandrel, described working plate bottom is axially fixed and circumference rotation is provided with rotating shaft, described rotating shaft one end is fluting end, the rotating shaft the other end is coupling end, the end face of described fluting end has been offered non-circular grafting groove, described grafting groove extends to coupling end direction, the coupling end of described rotating shaft can drive its rotation mechanism rotated to be connected with one, described working plate bottom is fixed with cylinder two, the piston rod of described cylinder two is towards described screw mandrel and is parallel to each other with screw mandrel, the piston rod end of described cylinder two is fixed with and connects sleeve pipe two, the other end of described connection sleeve pipe two is fixed with force value sensor two, the other end of described force value sensor two and one end of screw mandrel are axially fixed and circumference is rotated, the shape of the described screw mandrel the other end and the mating shapes of described grafting groove, the described screw mandrel the other end is plugged in described grafting groove, described direct-current machine M, force value sensor one is connected with a pilot circuit with force value sensor two, described pilot circuit comprises switchgroup HK1, reometer A1, voltmeter V1, described switchgroup HK1 comprises switch HK1-1 and switch HK1-2, first port of described switch HK1-1 and first port of switch HK1-2 are connected with 220V AC power, the described Two-port netwerk of switch HK1-1 is connected with one end of reometer A1, the other end of described reometer A1 is connected with power supply node one end of force value sensor one and force value sensor two, the other end of the power supply node of described force value sensor one and force value sensor two is interconnected, and the connection node connected is connected with the Two-port netwerk of switch HK1-2, described voltmeter V1 is connected in parallel on the Two-port netwerk of switch HK1-1 and switch HK1-2, described pilot circuit also comprises the control device for controlling direct-current machine M and the switchgroup HK2 for control device energising, described switchgroup comprises switch HK2-1 and switch HK2-2, described control device is connected with one end of switch HK2-1 and switch HK2-2, the other end of described switch HK2-1 is connected with the other end of reometer A1, the other end of described switch HK2-2 and force value sensor one are connected with the connection node being connected with reometer A1 in the connection node of force value sensor two, described control device is connected with direct-current machine M.
2. treadmill integrated test machine according to claim 1, it is characterized in that, described control device comprises current rectifying and wave filtering circuit, step-down circuit, controller and the touch-screen for inputting control signal, the input terminus of described current rectifying and wave filtering circuit is connected with above-mentioned switchgroup HK2, the output terminal of described current rectifying and wave filtering circuit is connected with the input terminus of step-down circuit, the described output terminal of step-down circuit is connected with the power input of controller, and described controller is also connected with touch-screen.
3. treadmill integrated test machine according to claim 2, it is characterized in that, the signal input terminus of described controller is connected with touch-screen, the signal output terminal of described controller comprises two output ports, it is respectively the first output port and the 2nd output port, the first described output port is connected with reometer A2, described reometer A2 is connected with direct-current machine M, the 2nd described output terminal is connected with direct-current machine M, is parallel with voltmeter V2 between described first output port and the 2nd output port.
4. treadmill integrated test machine according to claim 3, it is characterised in that, described reometer A1 is alternating current table, and voltmeter V1 is A.C. voltmeter; Described reometer A2 is DC ammeter, and described voltmeter V2 is A.C. voltmeter; Parallel connection power supply signal prompt lamp D is gone back between the switch HK1-1 of described switchgroup HK1 and the Two-port netwerk of switch HK1-2; The switch HK2-1 of described switchgroup HK2 and current rectifying and wave filtering circuit input terminus wire are provided with safety fuse FU.
5. treadmill integrated test machine according to claim 1 and 2, it is characterized in that, it is provided with hinge seat between described force value sensor two and screw mandrel, described force value sensor two is fixed on hinge seat one end, and the mode that described screw mandrel is rotated by axially fixing and circumference is arranged on the hinge seat the other end; Described frame is fixed with bearing support, it is provided with bearing in described bearing support, above-mentioned rotating shaft by the inner ring of bearing through and the inner ring of rotating shaft and bearing be connected mutually, described rotation mechanism comprises handwheel and handle, being fixed on above-mentioned roller end place in the middle part of described handwheel, described handle is fixed on handwheel; The cross section of described grafting groove is rectangular, and the cross section of described screw mandrel end is also rectangular.
6. treadmill integrated test machine according to claim 1 and 2, it is characterized in that, described guide rail one is provided with slide block one, described guide rail two is provided with slide block two, described guide rail three is provided with slide block three, being provided with slide block four on described guide rail four, described slide plate one is fixed on slide block one and slide block two, and described slide plate two is fixed on slide block three and slide block four.
7. treadmill integrated test machine according to claim 6, it is characterized in that, described working plate is also fixed with graduated scale, and graduated scale and guide rail three are parallel to each other, described slide plate two end winding support has displacement pointer, and described displacement pointer is in the surface of graduated scale.
8. treadmill integrated test machine according to claim 1 and 2, it is characterized in that, described cylinder one is connected with an air pump with tracheae two by tracheae one respectively with cylinder two, and described tracheae one and tracheae two are respectively arranged with manually operated directional valve one and manually operated directional valve two; Also being respectively arranged with reducing valve one and reducing valve two on described tracheae one and tracheae two, described reducing valve one is between manually operated directional valve one and cylinder one, and described reducing valve two is between manually operated directional valve two and cylinder two.
9. treadmill integrated test machine according to claim 1 and 2, it is characterized in that, one of them end face of described cylinder one is offered groove one has been installed, another end face of cylinder one is offered groove two has been installed, install in groove one and it is provided with bearing one, the outer ring of bearing one is fixed on the cell wall installing groove one, the inner ring of bearing one wears and is fixed with installation shaft one, the axial plane of installation shaft one end has been offered axial trough one, working plate is fixed with mount pad one, mount pad one comprises the upper transverse part one being parallel to each other, inferior transverse part one and the vertical portion one being vertically fixed between upper transverse part one and inferior transverse part one, the upper surface of inferior transverse part one is offered the locating slot one in V-shape, installation shaft one is between upper transverse part one and inferior transverse part one and is placed in locating slot one, the upper surface place of upper transverse part one offers through threaded hole one, be threaded in threaded hole one screw one, the bottom land of the lower end of described screw one in axial trough one and with axial trough one contacts, install in groove two and it is provided with bearing two, the outer ring of bearing two is fixed on the cell wall installing groove two, the inner ring of bearing two wears and is fixed with installation shaft two, the axial plane of installation shaft two end has offered axial trough two, working plate is fixed with mount pad two, mount pad two comprises the upper transverse part two being parallel to each other, inferior transverse part two and the vertical portion two being vertically fixed between upper transverse part two and inferior transverse part two, the upper surface of inferior transverse part two is offered the locating slot two in V-shape, installation shaft two is between upper transverse part two and inferior transverse part two and is placed in locating slot two, the upper surface place of upper transverse part two offers through threaded hole two, be threaded in threaded hole two screw two, the bottom land of the lower end of described screw two in axial trough two and with axial trough two contacts.
10. treadmill integrated test machine according to claim 1 and 2, it is characterized in that, one of them end face of described cylinder two is offered groove three has been installed, another end face of cylinder two is offered groove four has been installed, install in groove three and it is provided with bearing three, the outer ring of bearing three is fixed on the cell wall installing groove three, the inner ring of bearing three wears and is fixed with installation shaft three, the axial plane of the one end of installation shaft three has been offered axial trough three, slide plate two is fixed with mount pad three, mount pad three comprises the upper transverse part three being parallel to each other, inferior transverse part three and the vertical portion three being vertically fixed between upper transverse part three and inferior transverse part three, the upper surface of inferior transverse part three is offered the locating slot three in V-shape, installation shaft three is between upper transverse part three and inferior transverse part three and is placed in locating slot three, the upper surface place of upper transverse part three offers through threaded hole three, be threaded in threaded hole three screw three, the bottom land of the lower end of described screw three in axial trough three and with axial trough three contacts, install in groove four and it is provided with bearing four, the outer ring of bearing four is fixed on the cell wall installing groove four, the inner ring of bearing four wears and is fixed with installation shaft four, the axial plane of installation shaft four end has offered axial trough four, slide plate two is fixed with mount pad four, mount pad four comprises the upper transverse part four being parallel to each other, inferior transverse part four and the vertical portion four being vertically fixed between upper transverse part four and inferior transverse part four, the upper surface of inferior transverse part four is offered the locating slot four in V-shape, installation shaft four is between upper transverse part four and inferior transverse part four and is placed in locating slot four, the upper surface place of upper transverse part four offers through threaded hole four, be threaded in threaded hole four screw four, the bottom land of the lower end of described screw four in axial trough four and with axial trough four contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310472396.5A CN103528841B (en) | 2013-10-11 | 2013-10-11 | A kind of treadmill integrated test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310472396.5A CN103528841B (en) | 2013-10-11 | 2013-10-11 | A kind of treadmill integrated test machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103528841A CN103528841A (en) | 2014-01-22 |
| CN103528841B true CN103528841B (en) | 2016-06-01 |
Family
ID=49931033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310472396.5A Active CN103528841B (en) | 2013-10-11 | 2013-10-11 | A kind of treadmill integrated test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103528841B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353119B (en) * | 2016-08-31 | 2020-04-10 | 山东省产品质量检验研究院 | Treadmill load comprehensive testing machine and testing method |
| CN109975048B (en) * | 2019-03-26 | 2023-12-26 | 昆山顺扬工业成套设备有限公司 | Testing device of comprehensive training device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201133878Y (en) * | 2007-12-07 | 2008-10-15 | 中华人民共和国慈溪出入境检验检疫局 | Treadmill durability test machine |
| CN101458174A (en) * | 2009-01-04 | 2009-06-17 | 宁波出入境检验检疫局检验检疫技术中心 | Device for simulating human running on running machine |
| CN202420886U (en) * | 2011-12-27 | 2012-09-05 | 厦门市西文机械工贸有限公司 | Treadmill durability testing machine |
| CN202837008U (en) * | 2012-10-08 | 2013-03-27 | 宁波嘉达健康科技有限公司 | Pressurized mechanism of treadmill test machine |
| DE102011056350A1 (en) * | 2011-12-13 | 2013-06-13 | BAM Bundesanstalt für Materialforschung und -prüfung | Test stand used in drop weight testing equipment, has actuator that prevents renewed contact of mass with impact surface, according to first contact of falling mass with impact surface and return of falling mass |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6823751B1 (en) * | 2002-05-22 | 2004-11-30 | Meter Engineers, Inc. | Sphere or pig detection switch assembly |
-
2013
- 2013-10-11 CN CN201310472396.5A patent/CN103528841B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201133878Y (en) * | 2007-12-07 | 2008-10-15 | 中华人民共和国慈溪出入境检验检疫局 | Treadmill durability test machine |
| CN101458174A (en) * | 2009-01-04 | 2009-06-17 | 宁波出入境检验检疫局检验检疫技术中心 | Device for simulating human running on running machine |
| DE102011056350A1 (en) * | 2011-12-13 | 2013-06-13 | BAM Bundesanstalt für Materialforschung und -prüfung | Test stand used in drop weight testing equipment, has actuator that prevents renewed contact of mass with impact surface, according to first contact of falling mass with impact surface and return of falling mass |
| CN202420886U (en) * | 2011-12-27 | 2012-09-05 | 厦门市西文机械工贸有限公司 | Treadmill durability testing machine |
| CN202837008U (en) * | 2012-10-08 | 2013-03-27 | 宁波嘉达健康科技有限公司 | Pressurized mechanism of treadmill test machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103528841A (en) | 2014-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103048123A (en) | Abrasion tester for cylinder sleeve-piston ring friction pair | |
| CN204944839U (en) | Rolling bearing fatigue life testing table | |
| CN104265247A (en) | Automatic beam pumper balance adjustment device and automatic control method | |
| CN103528841B (en) | A kind of treadmill integrated test machine | |
| CN208060134U (en) | Compression spring fatigue tester | |
| CN215727354U (en) | Plastic tubing compression testing machine convenient to installation | |
| CN205384352U (en) | Pull rod cam -type travel switch detection device | |
| CN204140029U (en) | Beam pumping unit balance automatic regulating apparatus | |
| CN203595632U (en) | Automatic constant-pressure concrete creep instrument | |
| CN103471911B (en) | Sock stretching detection instrument | |
| CN104535244A (en) | Bending resistance test bench for rubber conveyer belt | |
| CN210625921U (en) | Multi-adaptability working load change detection device | |
| CN103512692B (en) | Tension test device of running belt | |
| CN208024536U (en) | Moveable walking beam counterweight | |
| CN104155032B (en) | The measurement mechanism of automobile door lock pull wire pulling force | |
| CN208751528U (en) | A kind of detection device applied to handware | |
| CN101608967B (en) | Comprehensive performance test device of electric roller | |
| CN203502245U (en) | Positioning device of second roller in belt comprehensive testing device | |
| CN104614241A (en) | Tensile tester for socks | |
| CN203231947U (en) | Device for detecting scraping resistance of leather | |
| CN203502246U (en) | Positioning device for roller one in comprehensive treadmill tester | |
| CN116201527A (en) | Logging tensiometer with adjustable measurement angle and suitable for multi-number cables | |
| CN204085745U (en) | The measurement mechanism of automobile door lock pull wire pulling force | |
| CN204877391U (en) | Beam -pumping unit self -adaptation formula balance adjustment device | |
| CN204643616U (en) | Flat boom crane lifting altitude measurement mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |