CN212180254U - Quick no-load test device for gear box series products - Google Patents
Quick no-load test device for gear box series products Download PDFInfo
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- CN212180254U CN212180254U CN202020771784.9U CN202020771784U CN212180254U CN 212180254 U CN212180254 U CN 212180254U CN 202020771784 U CN202020771784 U CN 202020771784U CN 212180254 U CN212180254 U CN 212180254U
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Abstract
The utility model discloses a quick no-load test device of gear box series product, include: a work table; the first connecting frame is used for fixing a product to be tested and is fixed with the workbench; the lower end of the second connecting frame is fixed with the workbench, the second connecting frame is provided with an installation frame, a screw rod and a nut, the installation frame is connected with the second connecting frame in a sliding mode, the screw rod is connected with the second connecting frame in a rotating mode, the nut is fixed with the installation frame, and the nut is sleeved on the screw rod and is matched with the screw rod; the driving mechanism is used for driving the product to be tested to rotate and comprises a transmission belt, the output end of the driving mechanism is connected with the input end of the product to be tested through the transmission belt, and the driving mechanism is fixed with the mounting frame. The utility model provides a quick no-load test device of gear box series product can carry out the no-load test for the product of different series, different specification, different models, and can tensioning actuating mechanism.
Description
Technical Field
The utility model belongs to the technical field of the gear box technique and specifically relates to a quick no-load test device of gear box series product is related to.
Background
In the gear transmission industry, the no-load test of a gear box is one of important required items before the gear box product leaves a factory. In order to adapt to the market and meet the customer requirements of different customers, the diversification of products of modern gearbox manufacturers is one of the development directions of the gearbox manufacturers. In order to detect gear box products which are difficult to horizontally place input shafts of different series, different specifications and different models with low cost and high efficiency, a gear box no-load testing device capable of meeting the production requirements of enterprises becomes equipment with important production requirements of enterprises.
The Chinese patent application publication CN201610005220.2, published as 2017, 11, 10 and named as a high-speed train gearbox no-load running-in test bed, discloses a high-speed train gearbox no-load running-in test bed, which consists of a driving device, a shaft end transition bearing positioning and clamping device, a large-span movable wheel-to-shaft positioning and supporting device, a gearbox input end pressing upright post device and a noise test device, wherein the driving device is arranged at the left end of a test bed base (1); the fixed end transition bearing positioning and clamping device and the movable end transition bearing positioning and clamping device are respectively arranged at the left side and the right side of the test bed base (1); the large-span movable wheel pair shaft positioning and supporting device consists of two sets of large-span movable wheel pair shaft positioning and supporting devices with the same structure; the gear box input end compresses tightly stand device and installs on test bench base (1), and noise testing arrangement respectively places one set of noise test sound level meter and stay tube assembly body including the input and the output at the gear box respectively. However, the device is not suitable for the no-load test of the common gearbox and cannot be adapted to various types of gearboxes.
Disclosure of Invention
The utility model discloses an it is not enough that the aforesaid of the multiple no-load testing arrangement of adaptation can't be satisfied to the pluralism of overcoming gear box product among the prior art, provides a quick no-load testing arrangement of gear box series product, can carry out the no-load test for the product of different series, different specifications, different models, and can tensioning actuating mechanism.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a quick no-load test device for gearbox series products comprises:
a work table;
the first connecting frame is used for fixing a product to be tested and is fixed with the workbench;
the lower end of the second connecting frame is fixed with the workbench, the second connecting frame is provided with an installation frame, a screw rod and a nut, the installation frame is connected with the second connecting frame in a sliding mode, the screw rod is connected with the second connecting frame in a rotating mode, the nut is fixed with the installation frame, and the nut is sleeved on the screw rod and is matched with the screw rod;
the driving mechanism is used for driving the product to be tested to rotate and comprises a transmission belt, the output end of the driving mechanism is connected with the input end of the product to be tested through the transmission belt, and the driving mechanism is fixed with the mounting frame.
Among the above-mentioned technical scheme, be equipped with the traveller on the mounting bracket, the traveller is fixed with the mounting bracket, is equipped with the spout on the second link, the partial structure setting of traveller in the spout and with spout adaptation, mounting bracket and second link pass through above-mentioned structure sliding connection. When the device is used, the first connecting frame corresponding to a product to be tested is fixed on the workbench, the product to be tested is fixed on the first connecting frame, the output end of the driving mechanism and the input end of the product to be tested are connected through the transmission belt, the mounting frame is driven to move through the rotating screw rod, the transmission belt is tensioned, and then the driving mechanism is started to carry out no-load test on the product to be tested. The first connecting frame has various different dimensions, and can be adaptively replaced according to different products, so that the first connecting frame can be adapted to products of different models, and the purpose of carrying out no-load test on products of different series, different specifications and different models is achieved. The lead screw and the nut enable the mounting frame to tension the belt pulley to adapt to different products.
Preferably, a hand crank is arranged at one end of the screw rod. The hand rocker is fixed at one end of the screw rod and can rotate the screw rod through the hand rocker as required.
Preferably, the driving mechanism further comprises a driving motor, a driving pulley and a driven pulley; the driving belt wheel is connected with an output shaft of the driving motor, the driven belt wheel is connected with an input shaft of a product to be tested, and the transmission belt is respectively connected with the driving belt wheel and the driven belt wheel. The structure can drive the product to be tested to carry out no-load test through the driving mechanism, can reduce vibration through the belt mechanism, and simultaneously, the flexible adaptation through driving belt is multiple different products.
Preferably, the workbench comprises a support frame and a bottom plate, the bottom plate is fixed above the support frame, and the first connecting frame is fixed on the bottom plate. The structure can provide a supporting function, and the relative position accuracy of the first connecting frame and the second connecting frame can be ensured by a complete bottom plate.
Preferably, the first connecting frame comprises three supporting columns, the supporting columns are fixed with the workbench, the three supporting columns are distributed in a triangular mode, and the lower portion of the shell of the product to be tested is arranged among the three supporting columns. In the technical scheme, the lower part of the shell of the product to be tested is a cylindrical surface, three points of the three support columns, which are closest to the inner side, are connected into an circumscribed circle, and the diameter of the circumscribed circle is matched with the diameter of the outer circle of the lower part of the shell of the product to be tested. During the test, driving belt's stress direction is perpendicular with the extending direction of support column, can press from both sides tight product that awaits measuring through three support column, does not need extra fixed, installation effectiveness during can improving the test, because above-mentioned test is no-load test, the drive power of test is not big, adopts the fixed mode of chucking to satisfy fixed requirement. If high-power load test is needed, a clamping block can be arranged above the supporting column and used for clamping a product, and the clamping block and the supporting column are fixed through bolts.
Preferably, the workbench is provided with a plurality of groups of threaded holes; every screw hole quantity of group is 3, and three support column is a set of, is equipped with the screw thread post with the screw hole adaptation on the support column, screw thread post and screw hole threaded connection. A plurality of groups of threaded holes on the workbench have different positions, different threaded holes can be selected according to different products, and the device can be adapted to various products. The support column can set up different length according to the product of difference, guarantees that the height of actuating mechanism's output is highly unanimous with the input of the product that awaits measuring.
Preferably, after the threaded hole is formed, local hardening treatment is carried out. The technical scheme can prolong the service life of the device.
Preferably, the cylindrical surface of the support column is provided with a through hole. Two through holes which are formed in a cross mode are formed in the cylindrical surface of the supporting column, the through holes enable the supporting column to conveniently penetrate through a tool when being screwed down or loosened, and sufficient torque is provided.
Preferably, the first connecting frame comprises a positioning plate and a plurality of groups of supporting columns, the positioning plate is fixed to the workbench, a plurality of groups of positioning holes are formed in the positioning plate, the number of each group of positioning holes is 3, the number of each group of supporting columns is 3, and positioning columns matched with the corresponding positioning holes are arranged at the lower ends of the supporting columns. Among the above-mentioned technical scheme, can fix a position fast and install fixedly through locating hole and reference column to the support column, installation effectiveness when improving the test increases the suitability of device. During the test, driving belt's stress direction is perpendicular with the extending direction of support column, can realize the fixed to the support column through the locating hole structure, and the installation effectiveness during the test improves, and through installing the support column in the locating hole of different groups, can form the fixed position of equidimension not, the product that awaits measuring of the different models of adaptation and size.
Preferably, the positioning holes are stepped holes, each stepped hole comprises an upper hole and a lower hole, the upper holes are matched with the cylindrical surface at the lower end of the supporting column, the lower holes are matched with the positioning columns, the depths of the upper holes are the same in the same group of positioning holes, the diameters of the upper holes of the groups of positioning holes are the same, and the diameters of the lower holes of the groups of positioning holes are the same. Among the above-mentioned technical scheme, the degree of depth in the last hole between the different groups can be different, the last hole in the step hole in the locating hole of different groups is the same with lower hole diameter, can mutual adaptation, the quantity of the support column of needs has been reduced, the most ideal scheme is, only a set of support column, the degree of depth in the last hole of different groups is different, when the support column that can guarantee the same length inserts in the locating hole of different groups, different height has, during the different product of support column adaptation, guarantee the highly uniform of the input of the high and the product of awaiting measuring of actuating mechanism's output.
Preferably, the three support columns in each group are distributed in a triangular shape when fixed on the positioning plate, and the lower part of the shell of the product to be tested is arranged among the three support columns. Among the above-mentioned technical scheme, the lower part of awaiting measuring the product casing is the face of cylinder down, and three points that three support columns are closest to the inboard form an circumscribed circle, and the diameter of circumscribed circle and the excircle diameter adaptation of awaiting measuring the product casing lower part. During the test, driving belt's stress direction is perpendicular with the extending direction of support column, can press from both sides tight product that awaits measuring through three support column, does not need extra fixed, installation effectiveness during can improving the test, owing to be no-load test, the drive power of test is not big, adopts the fixed mode of chucking to satisfy fixed requirement.
Preferably, the inner side of the supporting column is provided with an arc surface, the arc surface is contacted with the lower part of the shell of the product to be tested, and the three arc surfaces are positioned on the same circle. The arc surface can increase the contact area between the support column and the product to be tested, and meanwhile, the connection reliability is increased.
Preferably, the workbench is provided with a lifting lug. The structure can facilitate the hoisting of the device.
The utility model has the advantages that: (1) the no-load test can be carried out on products of different series, different specifications and different models; (2) the position of the driving mechanism can be adjusted to tension the belt; (3) the product to be tested can be clamped through the three support columns without additional fixation, so that the mounting efficiency during testing is improved; (4) the plurality of groups of threaded holes on the workbench have different positions, different threaded holes can be selected according to different products, and the adaptation to various products is realized; (5) can carry out quick location and installation fixed to the support column through locating hole and reference column, installation effectiveness when improving the test increases the product of device adaptation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of a supporting column in example 2;
FIG. 3 is a partial structural view of embodiment 3;
fig. 4 is a schematic structural view of a support column in example 3.
In the figure: the testing device comprises a workbench 1, a support frame 1.1, a bottom plate 1.2, a threaded hole 1.3, a first connecting frame 2, a support column 2.1, an arc surface 2.1.1, a through hole 2.1.2, a threaded column 2.2, a positioning plate 2.3, a positioning hole 2.3.1, an upper hole 2.3.1.1, a lower hole 2.3.1.2, a positioning column 2.4, a second connecting frame 3, a sliding chute 3.1, a driving mechanism 4, a transmission belt 4.1, a driving motor 4.2, a driving belt pulley 4.3, a driven belt pulley 4.4, a product to be tested 5, a mounting frame 6, a sliding column 6.1, a screw rod 7, a hand-operated rod 7.1, a nut 8 and a lifting lug 9.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in fig. 1, a fast no-load testing device for gearbox series products comprises:
the working table 1 comprises a support frame 1.1 and a bottom plate 1.2, the bottom plate 1.2 is fixed above the support frame 1.1, and a lifting lug 9 is fixed on the bottom plate 1.2;
the first connecting frame 2 is used for fixing a product 5 to be tested, and the first connecting frame 2 is fixed on the bottom plate 1.2;
the lower end of the second connecting frame 3 is fixed with the workbench 1, the second connecting frame 3 is provided with a mounting frame 6, a screw rod 7 and a nut 8, the mounting frame 6 is provided with a sliding column 6.1, the sliding column 6.1 is fixed with the mounting frame 6, the second connecting frame 3 is provided with a sliding chute 3.1, part of the structure of the sliding column 6.1 is arranged in the sliding chute 3.1 and is matched with the sliding chute 3.1, the mounting frame 6 is in sliding connection with the second connecting frame 3 through the structure, the screw rod 7 is rotationally connected with the second connecting frame 3, the nut 8 is fixed with the mounting frame 6, and the nut 8 is sleeved on the screw rod 7 and is matched with the screw rod 7; a hand-operated lever 7.1 is fixed at one end of the screw rod 7;
the driving mechanism 4 is used for driving the product to be tested 5 to rotate, and the driving mechanism 4 comprises a transmission belt 4.1, a driving motor 4.2, a driving belt pulley 4.3 and a driven belt pulley 4.4; the driving belt pulley 4.3 is connected with an output shaft of the driving motor 4.2, the driven belt pulley 4.4 is connected with an input shaft of a product to be tested 5, the transmission belt 4.1 is respectively connected with the driving belt pulley 4.3 and the driven belt pulley 4.4, and the driving motor 4.2 is fixed with the mounting frame 6.
In the technical scheme. When the device is used, the first connecting frame 2 corresponding to the product 5 to be tested is fixed on the workbench 1, the product 5 to be tested is fixed on the first connecting frame 2, the output end of the driving mechanism 4 and the input end of the product 5 to be tested are connected through the transmission belt 4.1, the mounting frame 6 is driven to move through the rotation of the screw rod 7, the transmission belt 4.1 is tensioned, and then the driving mechanism 4 is started to carry out no-load test on the product 5 to be tested. The first connecting frame 2 has various different sizes and specifications, and can be adaptively replaced according to different products, so that the first connecting frame can be adapted to products of different models, and the purpose of no-load test of products of different series, different specifications and different models is achieved. The lead screw 7 and the nut 8QS enable the mounting frame 6 to tension the belt pulley to adapt to different products.
Example 2:
as shown in fig. 1 and 2, on the basis of embodiment 1, a plurality of groups of threaded holes 1.3 are arranged on the worktable 1; the number of the threaded holes 1.3 in each group is 3, and after the threaded holes 1.3 are formed, local quenching treatment is carried out; the first connecting frame 2 comprises a plurality of groups of supporting columns 2.1, the number of the groups of supporting columns 2.1 is 3, threaded columns 2.2 matched with the threaded holes 1.3 are arranged on the supporting columns 2.1, and the threaded columns 2.2 are in threaded connection with the threaded holes 1.3; the cylindrical surface of the support column 2.1 is provided with a through hole 2.1.2. The three support columns 2.1 in each group are distributed in a triangular mode, and the lower portion of the shell of the product 5 to be tested is arranged among the three support columns 2.1.
In the technical scheme, the lower part of the shell of the product 5 to be tested is a cylindrical surface, three points of the three support columns 2.1 closest to the inner side are connected into an circumscribed circle, and the diameter of the circumscribed circle is matched with the diameter of the outer circle of the lower part of the shell of the product 5 to be tested. During the test, driving belt 4.1's atress direction is perpendicular with support column 2.1's extending direction, can press from both sides tight await measuring product 5 through three support column 2.1, does not need extra fixed, installation effectiveness during the test can improve, because above-mentioned test is no-load test, the drive power of test is not big, adopts the fixed mode of chucking can satisfy fixed requirement. A plurality of groups of threaded holes 1.3 on the workbench 1 have different positions, different threaded holes 1.3 can be selected according to different products, and the device is adaptive to various products. The support column 2.1 can be set to different lengths according to different products, so that the height of the output end of the driving mechanism 4 is consistent with the height of the input end of the product to be tested 5.
Example 3:
as shown in fig. 1, 2 and 3, based on embodiment 1, the first connecting frame 2 includes a positioning plate 2.3 and a plurality of groups of supporting pillars 2.1, the positioning plate 2.3 is fixed to the workbench 1, the positioning plate 2.3 is provided with a plurality of groups of positioning holes 2.3.1, each group of positioning holes 2.3.1 is 3, each group of supporting pillars 2.1 is 3, the lower end of each supporting pillar 2.1 is provided with a positioning pillar 2.4 adapted to the corresponding positioning hole 2.3.1, three supporting pillars 2.1 in each group are distributed in a triangular shape when fixed to the positioning plate 2.3, and the lower portion of the housing of the product 5 to be tested is disposed between the three supporting pillars 2.1. The positioning holes 2.3.1 are step holes, each step hole comprises an upper hole 2.3.1.1 and a lower hole 2.3.1.2, the upper hole 2.3.1.1 is matched with the cylindrical surface at the lower end of the support column 2.1, the lower hole 2.3.1.2 is matched with the positioning column 2.4, the depth of the upper hole 2.3.1.1 is the same in the same group of positioning holes 2.3.1, the diameter of the upper hole 2.3.1.1 of each group of positioning holes 2.3.1 is the same, and the diameter of the lower hole 2.3.1.2 of each group of positioning holes 2.3.1 is the same. The inner side of the support column 2.1 is provided with an arc surface 2.1.1, the arc surface 2.1.1 is contacted with the lower part of the shell of the product 5 to be tested, and the three arc surfaces 2.1.1 are positioned on the same circle. The cylindrical surface of the support column 2.1 is provided with a positioning structure, so that the orientation of the arc surface 2.1.1 can be ensured.
In the technical scheme, the lower part of the shell of the product 5 to be tested is a lower cylindrical surface, three points of the three support columns 2.1 closest to the inner side form an circumscribed circle, and the diameter of the circumscribed circle is matched with the diameter of the outer circle of the lower part of the shell of the product 5 to be tested. During the test, driving belt 4.1's atress direction is perpendicular with support column 2.1's extending direction, can press from both sides tight await measuring product 5 through three support column 2.1, does not need extra fixed, installation effectiveness during the test can be improved, owing to be no-load test, the drive power of test is not big, adopts the fixed mode of chucking to satisfy fixed requirement. Carry out quick location and installation fixedly through locating hole 2.3.1 and reference column 2.4 to support column 2.1, installation effectiveness when improving the test increases the suitability of device. During the test, driving belt 4.1's atress direction is perpendicular with support column 2.1's extending direction, can realize fixing support column 2.1 through locating hole 2.3.1 structure, and the installation effectiveness during the improvement test, and through installing support column 2.1 in the locating hole 2.3.1 of different groups, can form the fixed position of equidimension not, the await measuring product 5 of the different models of adaptation and size. The degree of depth of last hole 2.3.1.1 between the different groups can be different, the last hole 2.3.1.1 and the lower hole 2.3.1.2 diameter of the step hole in the locating hole 2.3.1 of different groups are the same, can the mutual adaptation, required support column 2.1's quantity has been reduced, the most ideal scheme is, only a set of support column 2.1, the degree of depth of last hole 2.3.1.1 of different groups is different, can guarantee when support column 2.1 of the same length inserts in the locating hole 2.3.1 of different groups, have different heights, when support column 2.1 adaptation is different, guarantee that the height of actuating mechanism 4's output is unanimous with the height of the input of the product 5 that awaits measuring.
The utility model has the advantages that: (1) the no-load test can be carried out on products of different series, different specifications and different models; (2) the position of the driving mechanism can be adjusted to tension the belt; (3) the product to be tested can be clamped through the three support columns without additional fixation, so that the mounting efficiency during testing is improved; (4) the plurality of groups of threaded holes on the workbench have different positions, different threaded holes can be selected according to different products, and the adaptation to various products is realized; (5) can carry out quick location and installation fixed to the support column through locating hole and reference column, installation effectiveness when improving the test increases the product of device adaptation.
Claims (8)
1. A quick no-load test device of gear box series product, characterized by includes:
a work table;
the first connecting frame is used for fixing a product to be tested and is fixed with the workbench;
the lower end of the second connecting frame is fixed with the workbench, the second connecting frame is provided with an installation frame, a screw rod and a nut, the installation frame is connected with the second connecting frame in a sliding mode, the screw rod is connected with the second connecting frame in a rotating mode, the nut is fixed with the installation frame, and the nut is sleeved on the screw rod and is matched with the screw rod;
the driving mechanism is used for driving the product to be tested to rotate and comprises a transmission belt, the output end of the driving mechanism is connected with the input end of the product to be tested through the transmission belt, and the driving mechanism is fixed with the mounting frame.
2. The rapid no-load test device for the series products of the gear boxes as claimed in claim 1, wherein a hand lever is arranged at one end of the screw rod.
3. The rapid no-load test device for gearbox series products as recited in claim 1, wherein said drive mechanism further comprises a drive motor, a drive pulley and a driven pulley; the driving belt wheel is connected with an output shaft of the driving motor, the driven belt wheel is connected with an input shaft of a product to be tested, and the transmission belt is respectively connected with the driving belt wheel and the driven belt wheel.
4. The rapid no-load test device for the series products of the gear boxes as claimed in claim 1, wherein the worktable comprises a support frame and a bottom plate, the bottom plate is fixed above the support frame, and the first connecting frame is fixed on the bottom plate.
5. The device for rapidly testing the gear box series products in the idle load as claimed in claim 1, 2, 3 or 4, wherein the first connecting frame comprises three supporting columns, the supporting columns are fixed with the workbench, the three supporting columns are distributed in a triangular manner, and the lower part of the shell of the product to be tested is arranged among the three supporting columns.
6. The rapid no-load test device for the series products of the gear boxes as claimed in claim 5, wherein a plurality of groups of threaded holes are arranged on the workbench; every screw hole quantity of group is 3, and three support column is a set of, is equipped with the screw thread post with the screw hole adaptation on the support column, screw thread post and screw hole threaded connection.
7. The rapid no-load test device for the series products of the gear boxes as claimed in claim 6, wherein the cylindrical surface of the supporting column is provided with a through hole.
8. A rapid no-load test device for gearbox series products according to claim 1, 2, 3 or 4, characterized in that a lifting lug is arranged on the worktable.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111665040A (en) * | 2020-05-11 | 2020-09-15 | 浙江恒星传动科技有限公司 | Quick no-load test device for gear box series products |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111665040A (en) * | 2020-05-11 | 2020-09-15 | 浙江恒星传动科技有限公司 | Quick no-load test device for gear box series products |
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