CN205280267U - Troughing idler organizes traveling resistance coefficient testing arrangement - Google Patents
Troughing idler organizes traveling resistance coefficient testing arrangement Download PDFInfo
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- CN205280267U CN205280267U CN201620002032.XU CN201620002032U CN205280267U CN 205280267 U CN205280267 U CN 205280267U CN 201620002032 U CN201620002032 U CN 201620002032U CN 205280267 U CN205280267 U CN 205280267U
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Abstract
The utility model provides a troughing idler organizes traveling resistance coefficient testing arrangement which characterized in that adjusts the bearing roller by a driving roll and one switching -over cylinder and a sticky tape tension and constitutes, and the sticky tape walks around driving roll, commutate the cylinder and form closed -loop, department in the middle of last sticky tape is made an appointment with arranges in proper order from bottom to top that a roller frame, one bear the weight of frame and a loading frame, it passes between the troughing idler group that puts up on troughing idler group and the loading frame from bearing the weight of to go up the sticky tape, certain gravity of loading frame via last sticky tape load to surveyed troughing idler group on, bearing the left side certain distance department of being separated by, arrange a metal structure, its central beam arranges a pressure sensor. Test method is: drive arrangement makes the sticky tape operation, makes to bear a certain displacement of production to make the pressure sensor atress, this power is surveyed the frictional resistance of troughing idler group movable part, and through measuring this frictional resistance, the traveling resistance coefficient of troughing idler group is calculated out to the formula that alright basis was derived.
Description
Technical field
The utility model relates to the test set of a kind of conveying machinery technical parameter, relating to the test set of a kind of rubber belt conveyor groove-shaped idler machining resistance coefficients specifically, it is a kind of special purpose device that its resistance coefficients size is tested when being rotated by flute profile idler machining.
Background technology
At present, in mine, colliery enterprise, mine generally all adopts rubber conveyer transport coal from crossheading to well head; At harbour, harbour and warehouse also use conveyor drive conveying articles in a large number. And study rubber conveyer, it is necessary to the technical parameter of rubber conveyer is tested. By being tested by the related parameter that has of the rubber conveyer of different model, different structure, form the firsthand information, could conversely for the optimization design of rubber conveyer. We design the technical data that rubber conveyer adopts at present, a lot of is all some related technical data using developed country, and there are the practical situation of oneself in China in fact, so obtained our data by certain detection method, it is necessary. The technical parameter of rubber conveyer is carried out test has two kinds of modes available: one adopts loading regime in kind, and one adopts simulation loading mode. Adopting loading regime in kind, though test gained data are relatively close to practical situation, but cost is big, and required equipment is many; And adopt simulation loading mode, and it being possible not only to avoid these shortcomings, and compared by existing experimental data, under two kinds of loading regimes, gained data difference is very little. , it may also be useful to simulation loading mode is feasible, therefore gained data have using value. What the utility model adopted is simulation loading mode.
Carrying roller uses in a large number on rubber conveyer. Idler machining resistance coefficients is a very important parameter, and the operating performance of rubber conveyer, work-ing life, watt consumption all can be produced direct impact by its size. It is little that the little then carrying roller of idler machining resistance coefficients runs resistance, operate steadily easily, long service life, watt consumption little. Otherwise, then run resistance big, watt consumption is big. Therefore, manufacturer, when development and design, production carrying roller, develops effect to understand or in order to control produced carrying roller quality product, all needs to know idler machining resistance coefficients value. Though idler machining resistance coefficients and single idler resistance coefficient have and necessarily contact but the two numerical value is not identical. Idler machining resistance coefficients embodies the running status of carrying roller in groups, and it and running environment and force-bearing situation have bigger relation. It is incomplete and not enough to there are some in the existing detection to idler machining resistance coefficients, it is necessary to this improved.
Finding that there is some relevant document reports by the domestic Searches of Patent Literature, mainly contain relevant with the utility model is following:
1, the patent No. is CN86206184, and name is called the utility model patent of " test set-up for running drag coefficient of supporting roll set of ribbon conveyer ", and this practicality is novel discloses a kind of testing apparatus running dynamic resistance coefficient for testing belt conveyer carrying roller group. It supports an idler machining with four air cushion dish, and both sides establish air cushion dish to overcome the horizontal sideslip power of adhesive tape. After the ventilation of air cushion dish forms air cushion, whole idler machining is freely floating. When adhesive tape runs. Carrying roller is rubbed rotation, and idler machining moves forward the sensor contacted above thereupon and records operation resistance, and corresponding vertical load measured by four sensors below air cushion dish simultaneously, and the ratio of two measured values is resistance coefficients. This device addedresistance is little, absorbing, measuring accuracy height, and test class is applicable equally like continuous conveyor.
2, the patent No. is CN86206224, and name is called the practical novel of " rotation resistance testing equipment for supporting roller in belt conveyer ", and this practicality is novel discloses a kind of testing apparatus for testing belt conveyer carrying roller rotational resistance. Two full floating air bearing are adopted to support a group frame, it blocks carrying roller axle, and after bearing ventilation forms air cushion, whole framework has freely floated, obtaining freely finely tuning of three-D displacement and rotary freedom, between air cushion, pressure ratio difference can self-poise addedresistance. When carrying roller bear footpath load rubbed rotate time, it drive whole framework without constraint rotate contact sensor, record roller revolving resistance. This device addedresistance is minimum, absorbing, test precision height, and the rotational resistance of test roller, cylinder class is applicable equally..
3, the patent No. is CN201320541257.9, name is called the practical novel of " carrying roller static resistance testing table ", this use is novel discloses a kind of carrying roller static resistance testing table, comprises handwheel, retaining plate, channel-section steel, screw rod, base, stiffening plate, sliding support, mobile pillar, fixing pillar, back up pad, moving stop, counterweight parts and cord. sliding support comprises nut, nut baffle plate, lower baffle plate, U shape card groove and wear-resisting plate, nut mates mutually with screw rod, nut welds with nut baffle plate, nut baffle plate welds with lower baffle plate, lower baffle plate and U shape card groove are bolted, wear-resisting plate is located between U shape card groove and channel-section steel, wear-resisting plate and U shape card slot welding connect, handwheel and screw rod end are bolted, retaining plate and channel-section steel are bolted and are laterally fixed in channel-section steel by screw rod, channel-section steel welds with base, stiffening plate welds with channel-section steel, stiffening plate welds with base, sliding support is located on channel-section steel, mobile pillar and sliding support are bolted, fixing pillar and channel-section steel are bolted, back up pad is welded with mobile pillar, back up pad is welded with fixing pillar, back up pad is provided with slotted hole, moving stop and back up pad are bolted, counterweight parts are connected with cord. carrying roller static resistance test platform structure is reasonable, it is possible to test out the rotational resistance of the carrying roller of different tube diameters and length, effectively ensure that the outgoing of carrying roller, extends the work-ing life of endless belt conveyor.
Although these patents above-mentioned have related to the test of the idler machining (or single carrying roller) of rubber conveyer, but these detection devices existing are structurally more complicated, have plenty of what the single idler resistance coefficient for rubber conveyer carried out testing or monitor, or what relate to is only the test of resistance coefficients of flat carrier roller group; Name is called the practical novel of " test set-up for running drag coefficient of supporting roll set of ribbon conveyer ", and what its was tested is idler machining resistance coefficients, but due to its complex structure, investment is big, and its technical scheme is difficult to implement relatively; Name is called the practical novel of " rotation resistance testing equipment for supporting roller in belt conveyer ", this practicality is novel for testing endless belt conveyor list roller revolving resistance, the resistance coefficients of single roller revolving resistance coefficient and idler machining is not identical, and structure is more complicated; Name is called the practical novel of " carrying roller static resistance testing table ", the novel static resistance being used to test carrying roller of this practicality. Therefore the flute profile idler machining that still cannot learn rubber conveyer resistance coefficient size under operation, it is therefore desirable to test set and method to existing flute profile idler machining resistance coefficients are in addition perfect.
Practical novel content
The purpose of this utility model is for the some shortcomings that existing flute profile idler machining resistance coefficients context of detection exists, the testing method of a kind of novel flute profile idler machining resistance coefficients and device, the method and device is provided can effectively to solve the problem of test trough shape idler machining resistance coefficients size.
Therefore, in order to realize above-mentioned purpose, technical solution adopted in the utility model is: a kind of flute profile idler machining resistance coefficients test set, it is characterized in that, being made up of a head roll and a reversing drum and a conveyor belt tension adjusting carrier roller, adhesive tape is walked around head roll, reversing drum and conveyor belt tension adjusting carrier roller and is formed loop line; It is about middle at adhesive tape, arranges a roller bearing frame, a carrier and a loading frame from bottom to top successively; Adhesive tape passes from the flute profile idler machining carrier with between the flute profile idler machining loaded on frame; Carrier is placed on the roller bearing on roller bearing frame, when carrier moves on roller bearing unrestricted in direction, left and right, can move on roller bearing easily, restriction from carrier to the stop means being subject on roller bearing frame in front and back, not sideslip during to ensure that carrier slides in left and right; Load frame to be loaded on the tested flute profile idler machining on carrier via adhesive tape with certain gravity; At place separated by a distance, the left side of carrier, arrange a metal frame, in the middle part of metal frame crossbeam, arrange a pressure transmitter, before test, regulate the top of pressure transmitter to contact gently with the left part crossbeam of carrier.
Further, described head roll provides motivating force by direct-current machine, is provided with deceleration device between head roll and direct-current machine, and cylinder is carried out gearing-down.
Further, described roller bearing frame is provided with some roller bearings, its quantity is depending on the length of carrier on roller bearing frame and its, and equidistant arrangement and stay at regular intervals in the horizontal direction between each roller bearing, all roller bearings are supported by roller bearing and are arranged on roller bearing frame.
Further, the described stop means on roller bearing frame, it is, on roller bearing frame, limited roller is installed, limited roller totally 4,2, front side, two, rear side, is arranged symmetrically with, 4 limited rollers are arranged on the both sides, front and back of roller bearing frame by limited roller supporting, to ensure carrier not sideslip when moving left and right.
Further, described carrier being provided with some groups of tested flute profile carrying rollers, flute profile idler machining keeps certain spacing between equidistant arrangement and flute profile idler machining in the horizontal direction, and all tested flute profile idler machining are arranged on carrier by flute profile idler stand.
Further, described loading frame being provided with some groups and loads flute profile carrying roller, the decoration form loading the flute profile idler machining on flute profile idler machining and the carrier below it is staggered arrangement, mutually staggers, to ensure the balanced applying of loading stress; Load wireline, tensiometer and turnbuckle that suspention loading frame is installed on frame; By loading, flute profile idler stand is arranged on loading frame all loading flute profile idler machining; Load frame to be got up by wireline and suspension ring suspention together with the loading flute profile idler machining on it and loading flute profile idler stand, wireline is installed a turnbuckle, to regulate the size adding carrying force, wireline is installed a tensiometer, to show the size adding carrying force.
The beneficial effects of the utility model: the utility model drives adhesive tape to run by electric motor, deceleration device and head roll, under the adhesive tape run drives, the pressure and the tractive force that tested flute profile idler machining (carrier) are produced due to adhesive tape and load and make carrier produce certain displacement, thus make carrier end contact with pressure transmitter and make pressure transmitter be subject to power, this power is also the friction resistance of tested idler machining moving part, by measuring this friction resistance, just flute profile idler machining resistance coefficients can be calculated according to the formula derived.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 Fig. 1 throws off the vertical view after the adhesive tape of middle and above loading frame;
Fig. 3 is the A direction view of Fig. 1;
Fig. 4 is the B place enlarged view of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Can find out that the utility model is a kind of flute profile idler machining resistance coefficients test set by accompanying drawing, a kind of flute profile idler machining resistance coefficients test set, it is characterized in that, being made up of a head roll and a reversing drum and a conveyor belt tension adjusting carrier roller, adhesive tape is walked around head roll, reversing drum and conveyor belt tension adjusting carrier roller and is formed loop line; It is about middle at adhesive tape, arranges a roller bearing frame, a carrier and a loading frame from bottom to top successively; Adhesive tape passes from the flute profile idler machining carrier with between the flute profile idler machining loaded on frame; Carrier is placed on the roller bearing on roller bearing frame, when carrier moves on roller bearing unrestricted in direction, left and right, can move on roller bearing easily, restriction from carrier to the stop means being subject on roller bearing frame in front and back, not sideslip during to ensure that carrier slides in left and right; Load frame to be loaded on the tested flute profile idler machining on carrier via adhesive tape with certain gravity; At place separated by a distance, the left side of carrier, arrange a metal frame, in the middle part of metal frame crossbeam, arrange a pressure transmitter, before test, regulate the top of pressure transmitter to contact gently with the left part crossbeam of carrier.
Further, described head roll provides motivating force by direct-current machine, is provided with deceleration device between head roll and direct-current machine, and cylinder is carried out gearing-down.
Further, described roller bearing frame is provided with some roller bearings, its quantity is depending on the length of carrier on roller bearing frame and its, and equidistant arrangement and stay at regular intervals in the horizontal direction between each roller bearing, all roller bearings are supported by roller bearing and are arranged on roller bearing frame.
Further, the described stop means on roller bearing frame, it is, on roller bearing frame, limited roller is installed, limited roller totally 4,2, front side, two, rear side, is arranged symmetrically with, 4 limited rollers are arranged on the both sides, front and back of roller bearing frame by limited roller supporting, to ensure carrier not sideslip when moving left and right.
Further, described carrier being provided with some groups of tested flute profile carrying rollers, flute profile idler machining keeps certain spacing between equidistant arrangement and flute profile idler machining in the horizontal direction, and all tested flute profile idler machining are arranged on carrier by flute profile idler stand.
Further, described loading frame being provided with some groups and loads flute profile carrying roller, the decoration form loading the flute profile idler machining on flute profile idler machining and the carrier below it is staggered arrangement, mutually staggers, to ensure the balanced applying of loading stress; Load wireline, tensiometer and turnbuckle that suspention loading frame is installed on frame; By loading, flute profile idler stand is arranged on loading frame all loading flute profile idler machining; Load frame to be got up by wireline and suspension ring suspention together with the loading flute profile idler machining on it and loading flute profile idler stand, wireline is installed a turnbuckle, to regulate the size adding carrying force, wireline is installed a tensiometer, to show the size adding carrying force.
Concrete test mode is as follows:
As shown in drawings, a kind of flute profile idler machining resistance coefficients test set, it is characterized in that, being made up of a head roll 1 and a reversing drum 18 and a conveyor belt tension adjusting carrier roller 19, adhesive tape 2 is walked around head roll 1, reversing drum 18 and conveyor belt tension adjusting carrier roller 19 and is formed loop line; It is about middle at adhesive tape, arranges a roller bearing frame 16, carrier 14 and a loading frame 9 from bottom to top successively; Adhesive tape 2 passes from the flute profile idler machining 12 carrier 14 with between the flute profile idler machining 10 loaded on frame 9; Carrier 14 is placed on the roller bearing 15 on roller bearing frame 16, when carrier 14 moves on roller bearing 15 unrestricted in direction, left and right, can move on roller bearing easily, the restriction of the roller 20 that carrier 14 is subject on the stop means on roller bearing frame 16 in front and back to (can see by Fig. 2), not sideslip when the roller 20 on the stop means on roller bearing frame 16 ensures that carrier 14 slides in left and right; Load frame 9 to be loaded on the tested flute profile idler machining 12 on carrier 14 via adhesive tape 2 with certain gravity; At place separated by a distance, the left side of carrier 14, arrange a metal frame 4, in the middle part of metal frame crossbeam, arrange a pressure transmitter 3, before test, regulate the top of pressure transmitter 3 to contact gently with the left part crossbeam of carrier 14.
Further, described head roll 1 provides motivating force by direct-current machine 21, is provided with deceleration device 22, cylinder 1 is carried out gearing-down between head roll 1 and direct-current machine 21.
Further, described roller bearing frame 16 is provided with some roller bearings 15, its quantity is depending on the length of the carrier 14 on roller bearing frame 16 and its, and equidistant arrangement and stay at regular intervals in the horizontal direction between each roller bearing 15, all roller bearings 15 are arranged on roller bearing frame 16 by roller bearing supporting 17.
Further, the described stop means on roller bearing frame 16, it is that limited roller 20 is installed on roller bearing frame 16, limited roller 20 totally 4,2, front side, two, rear side, is arranged symmetrically with, 4 limited rollers 20 support, by limited roller, the both sides, front and back that 21 are arranged on roller bearing frame 16, to ensure carrier 14 not sideslip when moving left and right.
Further, described carrier 14 is provided with some groups of tested flute profile carrying rollers 12, flute profile idler machining 12 keeps certain spacing between equidistant arrangement and flute profile idler machining 12 in the horizontal direction, and all tested flute profile idler machining 12 are arranged on carrier 14 by flute profile idler stand 13.
Further, described loading frame 9 being provided with some groups and loads flute profile carrying roller 10, the decoration form loading the flute profile idler machining 12 on flute profile idler machining 10 and the carrier 14 below it is staggered arrangement, mutually staggers, to ensure the balanced applying of loading stress; Load wireline 7, tensiometer 6 and turnbuckle 8 that suspention loading frame 9 is installed on frame 9; By loading, flute profile idler stand 11 is arranged on loading frame 9 all loading flute profile idler machining 10; Load frame 9 to suspend in midair by wireline 7 and suspension ring 5 together with the loading flute profile idler machining 10 on it and loading flute profile idler stand 11, wireline 7 is installed a turnbuckle 8, to regulate the size adding carrying force, wireline 7 is installed a tensiometer 6, to show the size adding carrying force.
Do to analyze by power to the tested flute profile idler machining 12 on carrier 14, known, tested flute profile idler machining 12 is subject to the effect of 3 power, one is add weight-carrying capacity, namely loading the gravity being loaded on tested flute profile idler machining 12 after the adjustment of 8 buckled by frame 9 by adjusting screw, two is the gravity that adhesive tape 2 is laid on tested flute profile idler machining 12, and three is tested flute profile idler machining rotating element gravity, according to the relation of friction resistance F and frictional coefficient ��, have:
F=�ء�[(q+q0+ql)L]������������������.(2)
That is:
��=F/ �� (q+q0+ql) L .... (1).
Testing method comprises following step:
1), before test, carrier 14 is loaded onto flute profile idler machining 12 to be measured;
2) adjusting elasticity turnbuckle 8 is so that loading frame 9 loads on tested flute profile idler machining 12 on certain gravity by adhesive tape 2 together with the flute profile idler machining 10 on it;
3) motivating force is provided by direct-current machine 21, through speed reduction unit 22, head roll 1 is driven, adhesive tape 2 is driven to run, the adhesive tape 2 run drives carrier 14 to produce certain displacement, carrier 14 left end crossbeam is met makes pressure transmitter 3 be subject to stress, and its variable quantity can be reflected by secondary instrument, thus obtains the operation resistance F of adhesive tape 2, this resistance and tested flute profile idler machining, to the operation resistance of adhesive tape, record this value on secondary instrument;
4) tested flute profile idler machining resistance coefficients �� is calculated according to the formula (1) derived
��=F/ �� (q+q0+ql) L .... (1)
In formula: ��---the resistance coefficient of tested flute profile idler machining 12;
The operation resistance (measuring by pressure transmitter and secondary instrument etc.) of the tested flute profile idler machining 12 of F---, N;
q0---adhesive tape 2 unit length weight, N/m;
Q---adhesive tape 2 unit length adds weight-carrying capacity, N/m; Q=(loads frame gross weight-4 times of tensiometer indicating values)/L;
q1---the rotating element weight of tested flute profile idler machining 12 in unit length, N/m;
L---loads length, m;
5) change 4 parameters, i.e. load (adds carrying capacity size), conveyor belt tension, belt speed v and idlers pitch, it is possible to the flute profile idler machining resistance coefficients under the different condition of test; Add carrying capacity size to be regulated by the turnbuckle on the wireline of suspention loading frame, conveyor belt tension is regulated by tension power adjusting carrier roller, adhesive tape travelling speed v by the speed control of direct-current motor is regulated, idlers pitch l shut down time with being manually changed; In 4 parameters, appointing and get one for variable, other 3 is constant, tests this variable to the impact of flute profile idler machining resistance coefficient ��.
The beneficial effects of the utility model: the utility model drives adhesive tape to run by electric motor, deceleration device and head roll, under the adhesive tape run drives, owing to the pressure of the tested flute profile idler machining generation on carrier and tractive force are made carrier produce certain displacement by adhesive tape and load, thus make carrier end and pressure sensor contacts and make pressure transmitter be subject to power, this power is also the friction resistance of tested idler machining moving part, by measuring this friction resistance, just can calculate flute profile idler machining according to the formula derived and transport emerging resistance coefficient.
Obviously, above-described embodiment is just in order to illustrate the example cited by the utility model, and simple change and the replacement of any those ordinary skill in the art are all within protection of the present utility model.
Claims (6)
1. a flute profile idler machining resistance coefficients test set, it is characterized in that, being made up of a head roll (1) and a reversing drum (18) and a conveyor belt tension adjusting carrier roller (19), adhesive tape (2) is walked around head roll (1), reversing drum (2) and conveyor belt tension adjusting carrier roller (19) and is formed loop line; It is about middle at adhesive tape, arranges a roller bearing frame (16), a carrier (14) and loading frame (9) from bottom to top successively; Adhesive tape (2) passes from the flute profile idler machining (12) carrier (14) with between the flute profile idler machining (10) loaded on frame (9); Carrier (14) is placed on the roller bearing (15) on roller bearing frame (16), carrier (14) is unrestricted in direction, left and right when roller bearing (15) is upper mobile, restriction from carrier (14) to the stop means being subject on roller bearing frame (16) in front and back; Load frame (9) to be loaded on the tested flute profile idler machining (12) on carrier (14) via adhesive tape with certain gravity; At the place separated by a distance, the left side of carrier (14), arrange a metal frame (4), arrange a pressure transmitter (3) in the middle part of metal frame (4) crossbeam, before test, regulate the top of pressure transmitter (3) to contact gently with the left part crossbeam of carrier (14).
2. flute profile idler machining resistance coefficients test set as claimed in claim 1, it is characterized in that, described head roll (1) provides motivating force by direct-current machine (21), between head roll (1) and direct-current machine (21), it is provided with deceleration device (22), cylinder (1) is carried out gearing-down.
3. flute profile idler machining resistance coefficients test set as claimed in claim 1, it is characterized in that, described roller bearing frame (16) is provided with some roller bearings (15), its quantity is depending on the length of roller bearing frame (16) and the carrier (14) on it, equidistant arrangement and stay at regular intervals in the horizontal direction between each roller bearing (15), all roller bearings (15) support (17) by roller bearing and are arranged on roller bearing frame (16).
4. flute profile idler machining resistance coefficients test set as claimed in claim 1, it is characterized in that, the described stop means on roller bearing frame is provided with limited roller (20) on roller bearing frame (16), limited roller (20) totally 4,2, front side, two, rear side, is arranged symmetrically with, and four limited rollers (20) support, by limited roller, the both sides, front and back that (21) are arranged on roller bearing frame (16).
5. flute profile idler machining resistance coefficients test set as claimed in claim 1, it is characterized in that, described carrier (14) is provided with some groups of tested flute profile carrying rollers (12), flute profile idler machining (12) keeps certain spacing between equidistant arrangement and flute profile idler machining (12) in the horizontal direction, and all tested flute profile idler machining (12) are arranged on carrier (14) by flute profile idler stand (13).
6. flute profile idler machining resistance coefficients test set as claimed in claim 1, it is characterized in that, described loading frame (9) is provided with some groups and loads flute profile carrying roller (10), the decoration form loading the flute profile idler machining (12) on flute profile idler machining (10) and the carrier (14) below it is staggered arrangement, mutually stagger, to ensure the balanced applying of loading stress; Load wireline (7), tensiometer (6) and turnbuckle (8) that suspention loading frame (9) is installed on frame (9); By loading, flute profile idler stand (11) is arranged in loading frame (9) all loadings flute profile idler machining (10); Load frame (9) to be got up by wireline (7) and suspension ring (5) suspention together with loading flute profile idler machining (10) on it and loading flute profile idler stand (11), wireline (7) is upper installs a turnbuckle (8), and wireline (7) is upper installs a tensiometer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620002032.XU CN205280267U (en) | 2016-01-04 | 2016-01-04 | Troughing idler organizes traveling resistance coefficient testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620002032.XU CN205280267U (en) | 2016-01-04 | 2016-01-04 | Troughing idler organizes traveling resistance coefficient testing arrangement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486442A (en) * | 2016-01-04 | 2016-04-13 | 湖南工业大学 | Groove type carrying roller set operation resistance coefficient testing device and testing method |
| CN106226099A (en) * | 2016-06-27 | 2016-12-14 | 太原科技大学 | Ribbon conveyer analog loading device is used in a kind of test |
-
2016
- 2016-01-04 CN CN201620002032.XU patent/CN205280267U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486442A (en) * | 2016-01-04 | 2016-04-13 | 湖南工业大学 | Groove type carrying roller set operation resistance coefficient testing device and testing method |
| CN106226099A (en) * | 2016-06-27 | 2016-12-14 | 太原科技大学 | Ribbon conveyer analog loading device is used in a kind of test |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20170104 |