CN112697423B - Off-highway dumper gearbox test bench - Google Patents
Off-highway dumper gearbox test bench Download PDFInfo
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- CN112697423B CN112697423B CN202110087358.2A CN202110087358A CN112697423B CN 112697423 B CN112697423 B CN 112697423B CN 202110087358 A CN202110087358 A CN 202110087358A CN 112697423 B CN112697423 B CN 112697423B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
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Abstract
The invention relates to the field of gearbox testing, in particular to a gearbox testing table for an off-highway dump truck. Both ends all are provided with the slide rail around the flat board of a left side, and the equal sliding connection in both ends has a slide about every slide rail, two square columns of equal fixedly connected with on every slide, vertical sliding connection has the slider on two square columns on the slide, all through threaded connection pressure screw I on every slider, the equal fixedly connected with rubber head in the inner of every pressure screw I. The off-highway dumper gearbox test board further comprises a right flat plate, sliding grooves, rectangular strips, push posts, arc-shaped rods and press screws II, wherein the right flat plate is arranged on the right side of the left flat plate, the sliding grooves are transversely formed in the front end and the rear end of the right flat plate, the rectangular strips are connected to the sliding grooves in a sliding mode, and the push posts are connected to the upper portions of the rectangular strips in a sliding mode in the front-rear direction.
Description
Technical Field
The invention relates to the field of gearbox testing, in particular to a gearbox testing platform of an off-highway dumper.
Background
The utility model discloses a multifunctional flexible gearbox test system, which is disclosed in the application number of CN201821498969.6, and can solve the problems that the traditional test system adopts a middle transition gearbox mode, increases the rotational inertia of a driving system and is not beneficial to simulation; the front-mounted front-drive gearbox testing system of the automobile is mainly adjusted manually, so that the adjustment difficulty is high, and the coaxiality of 0.02mm is difficult to achieve; meanwhile, the load motor can only realize the adjustment of freedom degrees in two directions generally, and the height direction is adjusted in a cushion block manner generally, so that the adjustment is inconvenient; and moreover, the efficiency test of the front-drive gearbox test system does not generally carry out oil temperature control, only the transmission efficiency at different rotating speeds is tested, and the oil temperature has certain influence on the transmission efficiency of the transmission gear. The device comprises a driving motor, a first loading motor, a second loading motor, a front-mounted front-drive gearbox and a detection system, wherein a driving motor mounting platform is arranged at the bottom of the driving motor, and a testing machine mounting platform is arranged at the bottoms of the first loading motor and the second loading motor. But this patent does not fix irregular gearboxes.
Disclosure of Invention
The invention provides a gearbox test board for an off-highway dumper, which has the beneficial effect that an irregular gearbox can be fixed.
The invention relates to the field of gearbox testing, in particular to a gearbox testing platform of an off-highway dumper, which comprises a left flat plate, a press screw I, a sliding block, a square column, a rubber head, a sliding rail and a sliding seat.
Both ends all are provided with the slide rail around the flat board of a left side, and the equal sliding connection in both ends has a slide about every slide rail, two square columns of equal fixedly connected with on every slide, vertical sliding connection has the slider on two square columns on the slide, all through threaded connection pressure screw I on every slider, the equal fixedly connected with rubber head in the inner of every pressure screw I.
The off-highway tipper gearbox testboard still includes the right side flat board, the spout, the rectangle strip, the traveller, the arc pole and press screw II, the dull and stereotyped right side in a left side is provided with the right side flat board, both ends all transversely are provided with the spout around the dull and stereotyped in the right side, equal sliding connection has the rectangle strip on every spout, sliding connection has the traveller on the front and back direction in the upper portion of every rectangle strip, the equal fixedly connected with arc pole in the inner of every traveller, the upper portion of every rectangle strip all presses screw II through threaded connection, every presses screw II all to push up in the outside of the arc pole that corresponds.
The off-highway dumper gearbox test board further comprises a slide bar I, a slide bar II, a fixed seat and oil cylinders III, the slide bar I is fixedly connected to the lower right side of the left flat plate, the slide bar II is fixedly connected to the lower left side of the right flat plate, the slide bar I and the slide bar II are respectively and vertically connected to the left end and the right end of the fixed seat in a sliding mode, the oil cylinders III are respectively and fixedly connected to the left end and the right end of the fixed seat, and the upper portions of the two oil cylinders III are respectively and fixedly connected to the lower sides of the left flat plate and the right flat plate.
The off-highway dumper gearbox test board further comprises a bowl-shaped piece, a round ball and a support, the round ball is rotatably connected to the bowl-shaped piece, the support is fixedly connected to the upper portion of the bowl-shaped piece, and the fixing seat is fixedly connected to the upper portion of the support.
The off-highway dumper gearbox test board further comprises a fastening screw, a weight block and a cross rod, the cross rod is fixedly connected to the right side of the right flat plate, the weight block is connected to the cross rod in a sliding mode, the fastening screw is connected to the weight block through threads, and the fastening screw abuts against the cross rod.
The off-highway dumper gearbox test board further comprises a seat board, supporting legs, oil cylinders I, bottom pieces, through holes, pull ropes and connecting columns, wherein the seat board is provided with four through holes all around, the four through holes on the lower side of the seat board are fixedly connected with the oil cylinders I, the lower parts of the four oil cylinders I are fixedly connected with the bottom pieces, the four bottom pieces are fixedly connected with the pull ropes, the four pull ropes respectively penetrate through the four through holes, the round balls are fixedly connected with the connecting columns all around, the upper parts of the four pull ropes are fixedly connected to the four connecting columns respectively, and bowl-shaped pieces are fixedly connected to the upper side of the seat board.
The off-highway dumper gearbox test board further comprises an extension bar, a straight bar, an oil cylinder II, a translation bar and gap columns, the extension bar is fixedly connected to the right side of the support, the straight bar is fixedly connected to the rear side of the seat plate, the translation bar is slidably connected to the straight bar in the front-rear direction, the two gap columns are fixedly connected to the front portion of the translation bar, the two gap columns are respectively located on the front side and the rear side of the extension bar, the oil cylinder II is fixedly connected to the upper portion of the straight bar, and the rear portion of the oil cylinder II is fixedly connected to the rear portion of the translation bar.
The off-highway tipper gearbox testboard still includes the gyro wheel, the impact rod, the bottom plate, the side lever, the pull head, the spring beam, the disk, keep off arris and fixed plate, the downside of four landing legs all rotates and is connected with the gyro wheel, the right side fixedly connected with impact rod of bedplate, the equal fixedly connected with in front and back edge of bottom plate keeps off the arris, the right part fixedly connected with fixed plate of bottom plate, the left part fixedly connected with side lever of bottom plate, lateral sliding connection has the spring beam on the side lever, the left end fixedly connected with pull head of spring beam, the right-hand member fixedly connected with disk of spring beam, disk fixed connection is in the left part of bedplate, the last compression spring that has cup jointed of spring beam, compression spring is located between side lever and the disk, four gyro wheels all are located the upside of bottom plate, the bedplate is located between side lever and the fixed plate.
The off-highway dumper gearbox test board has the beneficial effects that:
the gearbox test board for the off-highway dump truck can fix irregular gearboxes.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of a gearbox test board of the off-highway dump truck of the invention;
FIG. 2 is a schematic diagram of the overall structure of the gearbox test board of the off-highway dump truck of the invention;
FIG. 3 is a schematic structural view of the left plate;
FIG. 4 is a schematic structural view of a right plate;
FIG. 5 is a schematic structural view of the seat plate and the straight rod;
FIG. 6 is a schematic view of the seat plate;
FIG. 7 is a schematic view of the bowl configuration;
fig. 8 is a schematic structural view of the base plate.
In the figure: a left plate 1; pressing a screw I101; a slider 102; a square column 103; a rubber head 104; a slide bar I105; a slide rail 106; a slide carriage 107; a right plate 2; a chute 201; a slide II202; a rectangular bar 203; a push post 204; an arcuate rod 205; a press screw II206; a fastening screw 207; a weight 208; a cross bar 209; a seat plate 3; a support leg 301; a roller 302; an oil cylinder I303; a bottom plate 304; a through-hole 305; a pull cord 306; a striker bar 307; a straight rod 4; a cylinder II401; a translation rod 402; a gap post 403; a bowl 5; a round ball 501; a connecting column 502; a bracket 503; a fixed base 504; a cylinder III505; an extension bar 506; a bottom plate 6; a side bar 601; a pull head 602; a spring rod 603; a wafer 604; a blocking edge 605; a fixing plate 606.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 8, and the invention relates to the field of gearbox testing, in particular to a gearbox testing platform of an off-highway dump truck, which comprises a left flat plate 1, a pressing screw I101, a sliding block 102, a square column 103, a rubber head 104, a sliding rail 106 and a sliding seat 107.
The front end and the rear end of the left flat plate 1 are respectively provided with a slide rail 106, the left end and the right end of each slide rail 106 are respectively connected with a slide seat 107 in a sliding manner, each slide seat 107 is respectively fixedly connected with two square columns 103, each slide seat 107 is respectively connected with a slide block 102 in a vertical sliding manner, each slide block 102 is respectively connected with a pressure screw I101 through threads, and the inner end of each pressure screw I101 is respectively and fixedly connected with a rubber head 104. Four slides 107 all can be on the slide rail 106 that corresponds the horizontal slip, and then adjust the position about four sliders 102, position about four sliders 102 all can be above-lower sliding adjustment, can make the relative slider 102 of screw I101 slip around when screw I101 is pressed in the rotating, and then can adjust the height of four rubber heads 104 and control the position, and place the gearbox that will await measuring at the upside of left flat board 1, four rubber heads 104 all push up on the box body of gearbox, and then fix anomalous gearbox.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 8, the off-highway dump truck gearbox test board further includes a right flat plate 2, a chute 201, a rectangular bar 203, push posts 204, an arc-shaped rod 205 and a press screw II206, the right side of the left flat plate 1 is provided with the right flat plate 2, the chutes 201 are transversely provided at the front and rear ends of the right flat plate 2, the rectangular bar 203 is slidably connected to each chute 201, the push posts 204 are slidably connected to the upper portion of each rectangular bar 203 in the front and rear direction, the arc-shaped rod 205 is fixedly connected to the inner end of each push post 204, the press screw II206 is connected to the upper portion of each rectangular bar 203 through a thread, and each press screw II206 is supported against the outer side of the corresponding arc-shaped rod 205. There is an output shaft on the gearbox, and two rectangle strips 203 can be respectively on two spout 201 horizontal slip, and the support strut 204 can slide around on rectangle strip 203, and then can press the front and back both sides of the output shaft on the gearbox respectively with two arc poles 205 to adjust the interval between two arc poles 205, produce the power of pressing dynamic bending to the output shaft of gearbox, and then simulate the in service behavior of the output shaft of gearbox under operating condition. The force of the arc-shaped rod 205 pressing on the output shaft of the gearbox can be adjusted by rotating the dynamic screw II206 to press on the arc-shaped rod 205.
The third concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 8, the off-highway dump truck gearbox test board further includes a slide bar I105, a slide bar II202, a fixing seat 504 and oil cylinders III505, the slide bar I105 is fixedly connected to the lower right side of the left flat plate 1, the slide bar II202 is fixedly connected to the lower left side of the right flat plate 2, the slide bar I105 and the slide bar II202 are respectively and vertically slidably connected to the left and right ends of the fixing seat 504, the oil cylinders III505 are respectively and fixedly connected to the left and right ends of the fixing seat 504, and the upper portions of the two oil cylinders III505 are respectively and fixedly connected to the lower sides of the left flat plate 1 and the right flat plate 2. The two oil cylinders III505 control the sliding bars I105 and II202 to slide on the fixing base 504, and adjust the heights of the left plate 1 and the right plate 2, and further adjust the height difference between the left plate 1 and the right plate 2 according to the height of the output shaft on the transmission case, so that the two arc-shaped rods 205 can be pressed on the output shaft on the transmission case.
The fourth concrete implementation mode is as follows:
the embodiment is described below with reference to fig. 1 to 8, the off-highway dump truck gearbox test bench further includes a bowl 5, a round ball 501 and a bracket 503, the round ball 501 is rotatably connected to the bowl 5, the bracket 503 is fixedly connected to the upper portion of the bowl 5, and the fixing seat 504 is fixedly connected to the upper portion of the bracket 503. The ball 501 can rotate horizontally or deflect in any direction in the bowl 5, so that the gearbox on the left panel 1 can rotate horizontally or deflect in any direction, and the complex environment of the gearbox during operation is simulated.
The fifth concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 8, the off-highway dump truck gearbox test bench further comprises a fastening screw 207, a weight 208 and a cross bar 209, the right side of the right plate 2 is fixedly connected with the cross bar 209, the weight 208 is transversely and slidably connected to the cross bar 209, the fastening screw 207 is connected to the weight 208 through a thread, and the fastening screw 207 abuts against the cross bar 209. The weight 208 can slide left and right on the cross bar 209, when the gearbox is fixed on the left plate 1, the gravity center of the upper part of the ball 501 is adjusted, and the fastening screw 207 is used for fixing the weight 208 on the cross bar 209.
The sixth specific implementation mode:
the embodiment is described below with reference to fig. 1 to 8, the off-highway dump truck gearbox test board further comprises a seat board 3, support legs 301, oil cylinders I303, base plates 304, through holes 305, pull ropes 306 and connecting columns 502, the seat board 3 is provided with four through holes 305 in front, back, left and right, the oil cylinders I303 are all fixedly connected beside the four through holes 305 on the lower side of the seat board 3, the base plates 304 are all fixedly connected to the lower parts of the four oil cylinders I303, the pull ropes 306 are all fixedly connected to the four base plates 304, the four pull ropes 306 respectively penetrate through the four through holes 305, the connecting columns 502 are all fixedly connected to the ball 501 in front, back, left and right, the upper parts of the four pull ropes 306 are respectively fixedly connected to the four connecting columns 502, and the bowl-shaped member 5 is fixedly connected to the upper side of the seat board 3. When the four oil cylinders I303 extend and retract, the four bottom plates 304 are respectively controlled to slide up and down, so that the four pull ropes 306 are respectively pulled, the four pull ropes 306 respectively pull the ball 501 to rotate, and the ball 501 is further controlled to rotate in any direction on the bowl-shaped component 5.
The seventh embodiment:
the embodiment is described below with reference to fig. 1 to 8, the off-highway dump truck gearbox test bench further includes an extension bar 506, a straight bar 4, an oil cylinder II401, a translation bar 402 and a gap column 403, the extension bar 506 is fixedly connected to the right side of the bracket 503, the straight bar 4 is fixedly connected to the rear side of the seat plate 3, the translation bar 402 is slidably connected to the straight bar 4 in the front-rear direction, the two gap columns 403 are fixedly connected to the front portion of the translation bar 402, the two gap columns 403 are respectively located on the front side and the rear side of the extension bar 506, the oil cylinder II401 is fixedly connected to the upper portion of the straight bar 4, and the rear portion of the oil cylinder II401 is fixedly connected to the rear portion of the translation bar 402. The oil cylinder II401 can drive the translation rod 402 to slide back and forth when stretching, and further drive the two gap columns 403 to slide back and forth, and the extension rod 506 is stirred to deflect when the two gap columns 403 slide back and forth, so that the ball 501 is stirred to horizontally rotate in the bowl-shaped part 5. Simulating the working environment of the gearbox when the gearbox is mounted on the off-highway dump truck.
The specific implementation mode is eight:
the embodiment is described below with reference to fig. 1 to 8, the off-highway dump truck gearbox test board further includes a roller 302, an impact bar 307, a bottom plate 6, side bars 601, a slider 602, spring bars 603, round pieces 604, blocking edges 605 and a fixing plate 606, the lower sides of the four support legs 301 are all rotatably connected with the roller 302, the right side of the seat plate 3 is fixedly connected with the impact bar 307, the front and rear edges of the bottom plate 6 are all fixedly connected with the blocking edges 605, the right side of the bottom plate 6 is fixedly connected with the fixing plate 606, the left side of the bottom plate 6 is fixedly connected with the side bars 601, the side bars 601 are transversely slidably connected with the spring bars 603, the left end of the spring bars 603 is fixedly connected with the slider 602, the right end of the spring bars 603 is fixedly connected with the round pieces 604, the round pieces 604 are fixedly connected to the left portion of the seat plate 3, compression springs are sleeved on the spring bars 603 and located between the side bars 601 and the round pieces 604, the four roller 302 are located on the upper side of the bottom plate 6, and the seat plate 3 is located between the side bars 601 and the fixing plate 606. When the pull head 602 is pulled leftwards, the spring rod 603 and the wafer 604 are driven to slide leftwards, the compression spring is further compressed, the seat plate 3 is driven to move leftwards to store force, then the pull head 602 is loosened, the seat plate 3 is ejected rightwards, the seat plate 3 slides rightwards on the bottom plate 6 through the four rollers 302, the impact rod 307 impacts on the fixing plate 606, and the working environment of impact when the gearbox is installed on the off-highway dump truck is simulated.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (4)
1. Off-highway tipper gearbox testboard, including left flat board (1), pressure screw I (101), slider (102), square column (103), rubber head (104), slide rail (106) and slide (107), its characterized in that: the front end and the rear end of the left flat plate (1) are respectively provided with a sliding rail (106), the left end and the right end of each sliding rail (106) are respectively connected with a sliding seat (107) in a sliding manner, each sliding seat (107) is fixedly connected with two square columns (103), the two square columns (103) on the sliding seat (107) are vertically connected with a sliding block (102) in a sliding manner, each sliding block (102) is connected with a pressure screw I (101) through threads, and the inner end of each pressure screw I (101) is respectively and fixedly connected with a rubber head (104);
the off-highway dumper gearbox test board further comprises a right flat plate (2), sliding grooves (201), rectangular strips (203), push pillars (204), arc-shaped rods (205) and press screws II (206), wherein the right flat plate (2) is arranged on the right side of the left flat plate (1), the sliding grooves (201) are transversely formed in the front end and the rear end of the right flat plate (2), the rectangular strips (203) are connected to each sliding groove (201) in a sliding mode, the push pillars (204) are connected to the upper portion of each rectangular strip (203) in a sliding mode in the front-rear direction, the arc-shaped rods (205) are fixedly connected to the inner ends of each push pillar (204), the press screws II (206) are connected to the upper portion of each rectangular strip (203) through threads, and each press screw II (206) is pressed on the outer side of the corresponding arc-shaped rod (205);
the off-highway dumper gearbox test board further comprises a slide bar I (105), a slide bar II (202), a fixed seat (504) and oil cylinders III (505), the slide bar I (105) is fixedly connected to the lower right side of the left flat plate (1), the slide bar II (202) is fixedly connected to the lower left side of the right flat plate (2), the slide bar I (105) and the slide bar II (202) are respectively and vertically connected to the left end and the right end of the fixed seat (504) in a sliding mode, the oil cylinders III (505) are respectively and fixedly connected to the left end and the right end of the fixed seat (504), and the upper portions of the two oil cylinders III (505) are respectively and fixedly connected to the lower sides of the left flat plate (1) and the right flat plate (2);
the off-highway dumper gearbox test bench further comprises a bowl-shaped part (5), a round ball (501) and a support (503), the round ball (501) is rotatably connected to the bowl-shaped part (5), the support (503) is fixedly connected to the upper part of the bowl-shaped part (5), and a fixed seat (504) is fixedly connected to the upper part of the support (503);
the off-road dump truck gearbox test bench further comprises a fastening screw (207), a weight (208) and a cross bar (209), the right side of the right flat plate (2) is fixedly connected with the cross bar (209), the cross bar (209) is connected with the weight (208) in a transverse sliding mode, the weight (208) is connected with the fastening screw (207) through threads, and the fastening screw (207) abuts against the cross bar (209).
2. The off-highway dump truck gearbox test bench according to claim 1, characterized in that: the off-highway dumper gearbox test board further comprises a seat board (3), supporting legs (301), oil cylinders I (303), bottom plates (304), through holes (305), pulling ropes (306) and connecting columns (502), the seat board (3) is provided with four through holes (305) all around, the other equal fixedly connected with oil cylinders I (303) of the four through holes (305) on the lower side of the seat board (3), the lower equal fixedly connected with bottom plates (304) of the four oil cylinders I (303), the four bottom plates (304) are provided with the equal fixedly connected with pulling ropes (306), the four pulling ropes (306) respectively pass through the four through holes (305), the ball (501) is fixedly connected with the connecting columns (502) all around, the upper portions of the four pulling ropes (306) are fixedly connected on the four connecting columns (502) respectively, and the bowl-shaped part (5) is fixedly connected to the upper side of the seat board (3).
3. The off-highway dump truck gearbox test bench according to claim 2, characterized in that: the off-highway tipper gearbox test bench still includes extension bar (506), straight-bar (4), hydro-cylinder II (401), translation pole (402) and clearance post (403), right side fixedly connected with extension bar (506) of support (503), rear side fixedly connected with straight-bar (4) of bedplate (3), sliding connection has translation pole (402) in the front and back direction on straight-bar (4), two clearance posts (403) of the front portion fixedly connected with of translation pole (402), two clearance posts (403) are located the front and back both sides of extension bar (506) respectively, the upper portion fixedly connected with hydro-cylinder II (401) of straight-bar (4), the rear portion fixed connection of hydro-cylinder II (401) is at the rear portion of translation pole (402).
4. The off-highway dump truck gearbox test bench according to claim 3, characterized in that: the off-highway tipper gearbox test bench further comprises rollers (302), impact bars (307), a bottom plate (6), side bars (601), pull heads (602), spring rods (603), wafers (604), blocking ribs (605) and a fixing plate (606), the lower sides of four supporting legs (301) are connected with the rollers (302) in a rotating mode, the right side of the seat plate (3) is fixedly connected with the impact bars (307), the front edge and the rear edge of the bottom plate (6) are fixedly connected with the blocking ribs (605), the right side of the bottom plate (6) is fixedly connected with the fixing plate (606), the left side of the bottom plate (6) is fixedly connected with the side bars (601), the side bars (601) are transversely connected with the spring rods (603), the left end of the spring rods (603) is fixedly connected with the pull heads (602), the right end of the spring rods (603) is fixedly connected with the wafers (604), the wafers (604) are fixedly connected with the left side of the seat plate (3), compression springs are sleeved on the spring rods (603), the compression springs are located between the side bars (601) and the rollers (604), the four wafers (302) are located on the upper side of the bottom plate (6), and the fixing plate (606).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110087358.2A CN112697423B (en) | 2021-01-22 | 2021-01-22 | Off-highway dumper gearbox test bench |
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| CN202110087358.2A CN112697423B (en) | 2021-01-22 | 2021-01-22 | Off-highway dumper gearbox test bench |
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| CN112697423B true CN112697423B (en) | 2023-03-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2968080B1 (en) * | 2010-11-30 | 2014-01-10 | Eurocopter France | CANNELURE TEST BENCH, AND TESTING METHOD |
| CN103708377A (en) * | 2013-12-23 | 2014-04-09 | 常熟通润汽车零部件股份有限公司 | Adjustable hydraulic jack with sliding block locking structure |
| CN204160013U (en) * | 2014-10-15 | 2015-02-18 | 贵州航天凯峰科技有限责任公司 | A kind of universal adjustment welding circuit board fixture |
| DE102014226515B4 (en) * | 2014-12-19 | 2020-02-13 | Zf Friedrichshafen Ag | transmission test bench |
| CN205404115U (en) * | 2016-03-03 | 2016-07-27 | 中机生产力促进中心 | Derailleur assembly inclining test rack |
| CN205719536U (en) * | 2016-04-29 | 2016-11-23 | 凯迈(洛阳)机电有限公司 | A kind of gearbox test-bed |
| CN109142090B (en) * | 2018-08-15 | 2023-06-23 | 天津大学 | Multi-shaft loading fatigue test device for tension, compression, bending and torsion |
| CN211527807U (en) * | 2020-03-20 | 2020-09-18 | 山东联工检测设备有限公司 | Comprehensive mechanical test device for large-scale shaft parts |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036812A (en) * | 2017-05-26 | 2017-08-11 | 吉林大学 | A kind of electric vehicle gear box testboard bay |
| CN110374354A (en) * | 2019-08-02 | 2019-10-25 | 田亮 | A kind of building pillar clamping brace device |
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