CN215374504U - Automobile engine limit test platform - Google Patents

Automobile engine limit test platform Download PDF

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Publication number
CN215374504U
CN215374504U CN202120928580.6U CN202120928580U CN215374504U CN 215374504 U CN215374504 U CN 215374504U CN 202120928580 U CN202120928580 U CN 202120928580U CN 215374504 U CN215374504 U CN 215374504U
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CN
China
Prior art keywords
horizontally
test table
sides
far away
close
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Expired - Fee Related
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CN202120928580.6U
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Chinese (zh)
Inventor
刘蒙恩
张晶
白莉
蒋勇
王怀建
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Chongqing Industry Polytechnic College
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Chongqing Industry Polytechnic College
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Priority to CN202120928580.6U priority Critical patent/CN215374504U/en
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Abstract

The utility model discloses an automobile engine limit test platform, which comprises a test table, wherein the table surface of the test table is of an open structure, vertical plates are vertically welded at the middle positions of two ends of the upper part of the test table, a rotating shaft is horizontally sleeved and fixed with cross rods, telescopic rods are horizontally inserted at the ends, close to each other, of the two cross rods, an L-shaped mounting bar is rotatably connected at the end, close to each other, of the two telescopic rods, one end, far away from each telescopic rod, of each L-shaped mounting bar penetrates through the outer walls of two sides of each L-shaped mounting bar and is provided with a threaded hole, a vertical bolt is fixed at the end, far away from each upper part of each connecting rod, of each connecting rod is provided with an oil cylinder, and the same winding roller is horizontally and rotatably connected between the two sides, so that an engine is lifted to a position between fixing frames at the two ends, a tester can conveniently fix the engine in the next step, and the device is suitable for fixing tests of engines with different sizes, the practicability is higher.

Description

Automobile engine limit test platform
Technical Field
The utility model relates to the technical field of engine test boards, in particular to an automobile engine limit test platform.
Background
The automobile engine is a device for providing power for the automobile, is the heart of the automobile, determines the dynamic property, the economical efficiency, the stability and the environmental protection property of the automobile, can be divided into a diesel engine, a gasoline engine, an electric automobile motor, hybrid power and the like according to different power sources, common gasoline engines and diesel engines belong to reciprocating piston type internal combustion engines, chemical energy of fuel is converted into mechanical energy of piston motion and power is output outwards, the gasoline engines are high in rotating speed, low in mass, low in noise, easy to start and low in manufacturing cost, and when the automobile engine is produced in batches, the automobile engine needs to be sampled to test the working effect and performance of the automobile engine in a limit state.
The existing engine test platform is often simpler, and needs to be hoisted into the test platform by a gantry crane, and the fixing mode is difficult to operate and cannot be suitable for engines of different sizes, so that the automobile engine limit test platform is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an automobile engine limit test platform.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a limit test platform for an automobile engine comprises a test table, wherein the table surface of the test table is of an open structure, vertical plates are vertically welded at the middle positions of two ends of the upper part of the test table, rectangular grooves are formed in the upper ends of the two vertical plates, a rotating shaft is horizontally and rotatably connected to the upper part of the test table before the rectangular grooves are relatively close to two sides, a cross rod is horizontally sleeved and fixed on the rotating shaft, a telescopic rod is horizontally and slidably inserted into one end of the two cross rods relatively close to one end, a L-shaped mounting bar is rotatably connected to one end of the two telescopic rods relatively close to one end, a threaded hole penetrates through the outer walls of the two sides of the L-shaped mounting bar, a clamping assembly for limiting the rotation of the rotating shaft is arranged on the two vertical plates, strip-shaped through grooves are formed in the lower part of the outer wall of the two sides of the test table relatively far away from the lower part of the outer wall of the two sides, a connecting rod is horizontally and slidably inserted into one end of the two strip-shaped through grooves, two equal perpendicular bolt fastening of one end is kept away from on connecting rod upper portion relatively has the hydro-cylinder, two equal bolt fastening in hydro-cylinder upper end has the installation piece, and two the installation piece is close to the level rotation relatively between the both sides and is connected with same wind-up roll, wind-up roll intermediate position department is fixed with the rolling rope around rolling up, the rolling rope is kept away from wind-up roll one end bolt and is had the couple, one of them the horizontal bolt fastening of wind-up roll one side is kept away from to the installation piece has first motor, and first motor output passes one of them installation piece both sides outer wall and wind-up roll one end key-type connection, be equipped with two connecting rod horizontal migration's of drive assembly on the test table.
Preferably, the clamping assembly comprises a first L-shaped connecting plate welded on the upper portion of one side of the vertical plate in an equal horizontal mode, a tooth column is horizontally inserted at the middle position of one side of the first L-shaped connecting plate away from the vertical plate, one end of the rotating shaft penetrates through the outer wall of one side of the vertical plate close to the first L-shaped connecting plate, a round hole is formed in one end of the rotating shaft close to the tooth column, teeth are formed in the round hole along the inner wall of one circle of the round hole, and the tooth column is matched with the teeth.
Preferably, drive assembly includes the test table is kept away from both sides inner wall both ends relatively and is close to a lead screw that the equal level of bar through groove position department rotates the connection, and two it all overlaps and is equipped with ball nut, two to be close to connecting rod position department on the lead screw ball nut keeps away from both sides difference bolted fixation two connecting rod one side, two the wind-up roll one end is kept away from to the lead screw and all passes the test table and keep away from wind-up roll one side outer wall cover and be equipped with same belt, test table one side is close to one of them lead screw position department horizontal welding has second L shape connecting plate, and second L shape connecting plate keeps away from test table one side horizontal bolt and is fixed with the second motor, and the second motor output passes two volume outer walls of second L shape connecting plate and one of them lead screw one end key-type connection.
Preferably, drive assembly includes the test table is kept away from both sides inner wall both ends relatively and is close to a lead screw that the equal level of bar through groove position department rotates the connection, and two it all overlaps and is equipped with ball nut, two to be close to connecting rod position department on the lead screw ball nut keeps away from both sides respectively the bolt fastening two relatively connecting rod one side, two the lead screw is kept away from wind-up roll one end and is all passed the test table and keep away from wind-up roll one side outer wall cover and be equipped with same belt, test table one side is close to one of them lead screw position department horizontal welding has second L shape connecting plate, and second L shape connecting plate keeps away from test table one side level and rotates and be connected with the crank, and crank one end passes second L shape connecting plate both sides outer wall and one of them lead screw one end key-type connection.
Preferably, the universal wheel is all installed perpendicularly in test table lower part four corners position department, and is equipped with the brake on the universal wheel, the equal electrically connected of first motor, second motor has the switch, and the switch even has the power cord, the hydro-cylinder tube coupling has the oil pump.
The utility model has the beneficial effects that:
1. through two hydro-cylinders that test table both sides outer wall vertical sliding set up, again with a wind-up roll of horizontal bolted connection between two hydro-cylinder upper ends, make the tester only need promote the test table to engine position department, make the engine be located between the test table lower part, the second motor of redriving drives two lead screws and rotates, drive two connecting rod horizontal migration, thereby make the wind-up roll of two hydro-cylinder upper ends remove and adjust position department, make the couple aim at the engine of lower part, drive first motor makes the couple move down and catches hold of the earrings on engine upper portion, and then hoist the engine, realize that the engine rises to between the riser at both ends, the tester of being convenient for fixes on next step to it.
2. Through the rotatable horizontal pole etc. that sets up on the riser and riser of perpendicular welded of department in test table upper portion both ends intermediate position, the tester can pull out the tooth post earlier, make its round hole separation with pivot one end, the release pivot, rotate two horizontal poles again and adjust to suitable position department, distance between telescopic link adjustment and the engine on two flexible horizontal poles, and then make the screw hole on two L shape mounting bars aim at the screw hole on the engine both sides cylinder body, fix both screwing up through the bolt, impel the tooth post once more, the chucking pivot, restrict two horizontal poles and can not rotate again, accomplish fixed engine, this device is applicable to the fixed test of the engine of multiple variation in size, the practicality is higher.
Drawings
FIG. 1 is a schematic perspective view of an embodiment 1 of a limit test platform of an automobile engine according to the present invention;
FIG. 2 is a schematic left-side sectional view of an automobile engine limit test platform according to the present invention;
FIG. 3 is a schematic diagram of a partially enlarged structure of a limit testing platform of an automobile engine according to the present invention;
fig. 4 is a schematic perspective structure diagram of an embodiment 2 of an automobile engine limit test platform according to the present invention.
In the figure: the device comprises a test table 1, an oil cylinder 2, a first motor 3, a mounting block 4, a hook 5, a wind-up roll 6, a vertical plate 7, a cross rod 8, a telescopic rod 9, a first L-shaped connecting plate 10, a rectangular groove 11, a ball nut 12, a screw rod 13, a belt 14, a second L-shaped connecting plate 15, a second motor 16, a crank 17, a strip-shaped through groove 18, a connecting rod 19, a rotating shaft 20, a fixing strip 21L-shaped, a threaded hole 22 and a tooth post 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-3, an automobile engine limit test platform comprises a test table 1, the table surface of the test table 1 is of an open structure, vertical plates 7 are vertically welded at the middle positions of the two ends of the upper part of the test table 1, rectangular grooves 11 are arranged at the upper ends of the two vertical plates 7, a rotating shaft 20 is horizontally and rotatably connected to the upper part of the rectangular grooves 11 before the rectangular grooves 11 are relatively close to the two sides, horizontal rods 8 are horizontally sleeved and fixed on the rotating shaft 20, telescopic rods 9 are horizontally and slidably inserted at the ends of the two horizontal rods 8 relatively close to one end, L-shaped mounting strips 21 are rotatably connected at the ends of the two telescopic rods 9 relatively close to one end, threaded holes 22 are formed through the outer walls of the two sides of the two L-shaped mounting strips 21 at the ends far from the telescopic rods 9, clamping components for limiting the rotation of the rotating shaft 20 are arranged on the two vertical plates 7, strip-shaped through grooves 18 are formed in the lower parts of the outer walls of the test table 1 relatively far from the two sides along the length direction, the equal horizontal slip of one end is inserted and is equipped with connecting rod 19 in two through-slot strips 18, the equal perpendicular bolt fastening of one end is kept away from relatively on two connecting rod 19 upper portions has hydro-cylinder 2, the equal bolt fastening in 2 upper ends of two hydro-cylinders has installation piece 4, and two installation pieces 4 are close to between the both sides relatively and the horizontal rotation is connected with same wind-up roll 6, wind-up roll 6 intermediate position department is fixed with the rolling rope around rolling up, the rolling rope is kept away from 6 one end bolts of wind-up roll and is had couple 5, 6 one side horizontal bolt fastening of wind-up roll is kept away from to one of them installation piece 4 has first motor 3, and the output of first motor 3 passes one of them installation piece 4 both sides outer wall and 6 one end key-type connections of wind-up roll, be equipped with the drive assembly of two connecting rod 19 horizontal migration of drive on the test table 1.
In the utility model, the clamping assembly comprises a first L-shaped connecting plate 10 which is horizontally welded at the upper part of one side of a vertical plate 7, a tooth post 23 is horizontally inserted at the position of the first L-shaped connecting plate 10, which is far away from the middle position of one side of the vertical plate 7, one end of two rotating shafts 20 penetrates through the vertical plate 7 and is close to the outer wall of one side of the first L-shaped connecting plate 10, round holes are respectively formed at one ends of the two rotating shafts 20, which are close to the tooth post 23, and are provided with teeth along one circle of inner wall of the round holes, the tooth post 23 is matched with the teeth, the driving assembly comprises a screw rod 13 which is horizontally and rotatably connected at the positions, which are close to a strip-shaped through groove 18, of two inner walls, which are relatively far away from two sides of a test table 1, and are respectively sleeved with ball nuts 12 at the positions, which are close to connecting rods 19, the two ball nuts 12 are relatively far away from two sides, are respectively bolted at one side of the two connecting rods 19, one end of the two screw rods 13, which penetrates through the test table 1 and is far away from one side of a wind-up roller 6, is sleeved with the same belt 14, 1 one side of test table is close to one of them lead screw 13 position department horizontal welding has second L shape connecting plate 15, and second L shape connecting plate 15 keeps away from 1 one side horizontal bolt of test table and is fixed with second motor 16, and the 16 output of second motor passes two volume outer walls of second L shape connecting plate 15 and one of them lead screw 13 one end key-type connection, 1 lower part four corners position department of test table all installs the universal wheel perpendicularly, and be equipped with the brake on the universal wheel, first motor 3, the equal electrically connected of second motor 16 has the switch, and the switch even has the power cord, 2 tube coupling of hydro-cylinder has the oil pump.
The working principle of the embodiment is as follows: when in use, a tester only needs to push the test table 1 to the position of the engine to enable the engine to be positioned between the lower parts of the test table 1, then drives the second motor 16 to drive the two screw rods 13 to rotate, drives the two connecting rods 19 to horizontally move, so that the winding rollers 6 at the upper ends of the two oil cylinders 2 move and adjust the position, enables the hook 5 to be aligned with the engine at the lower part, drives the first motor 3 to enable the hook 5 to move downwards to hook the earrings at the upper part of the engine, further lifts the engine, enables the engine to be lifted between the vertical plates 7 at the two ends, is convenient for the tester to fix the engine at the next step, pulls out the tooth posts 23 to enable the tooth posts to be separated from the round holes at one end of the rotating shaft 20, releases the rotating shaft 20, then rotates the two cross rods 8 to be adjusted to the proper positions, adjusts the distance between the telescopic rods 9 on the two telescopic cross rods 8 and the engine, and further enables the threaded holes 22 on the two L-shaped mounting strips 21 to be aligned with the threaded holes on the cylinder bodies at the two sides of the engine, fix both through the bolt and screw up, impel tooth post 23 once more, chucking pivot 20, two horizontal poles of restriction 8 can not rotate again, accomplish fixed engine, and this device is applicable to the engine fixed test of multiple variation in size, and the practicality is higher.
Example 2
Referring to fig. 2-4, an automobile engine limit test platform comprises a test table 1, the table surface of the test table 1 is of an open structure, vertical plates 7 are vertically welded at the middle positions of the two ends of the upper part of the test table 1, rectangular grooves 11 are arranged at the upper ends of the two vertical plates 7, a rotating shaft 20 is horizontally and rotatably connected to the upper part of the rectangular grooves 11 before the two vertical plates are relatively close to the two sides, horizontal rods 8 are horizontally sleeved and fixed on the rotating shaft 20, telescopic rods 9 are horizontally and slidably inserted at the ends of the two horizontal rods 8 relatively close to one end, L-shaped mounting strips 21 are rotatably connected at the ends of the two telescopic rods 9 relatively close to one end, threaded holes 22 are formed through the outer walls of the two sides of the two L-shaped mounting strips 21 at the ends far from the telescopic rods 9, clamping components for limiting the rotation of the rotating shaft 20 are arranged on the two vertical plates 7, strip-shaped through grooves 18 are formed in the lower parts of the outer walls of the test table 1 relatively far from the two sides along the length direction, the equal horizontal slip of one end is inserted and is equipped with connecting rod 19 in two through-slot strips 18, the equal perpendicular bolt fastening of one end is kept away from relatively on two connecting rod 19 upper portions has hydro-cylinder 2, the equal bolt fastening in 2 upper ends of two hydro-cylinders has installation piece 4, and two installation pieces 4 are close to between the both sides relatively and the horizontal rotation is connected with same wind-up roll 6, wind-up roll 6 intermediate position department is fixed with the rolling rope around rolling up, the rolling rope is kept away from 6 one end bolts of wind-up roll and is had couple 5, 6 one side horizontal bolt fastening of wind-up roll is kept away from to one of them installation piece 4 has first motor 3, and the output of first motor 3 passes one of them installation piece 4 both sides outer wall and 6 one end key-type connections of wind-up roll, be equipped with the drive assembly of two connecting rod 19 horizontal migration of drive on the test table 1.
In the utility model, the clamping assembly comprises a first L-shaped connecting plate 10 which is horizontally welded at the upper part of one side of a vertical plate 7, a tooth post 23 is horizontally inserted at the position of the first L-shaped connecting plate 10, which is far away from the middle position of one side of the vertical plate 7, one end of two rotating shafts 20 penetrates through the vertical plate 7 and is close to the outer wall of one side of the first L-shaped connecting plate 10, round holes are respectively formed at one ends of the two rotating shafts 20, which are close to the tooth post 23, and are provided with teeth along one circle of inner wall of the round holes, the tooth post 23 is matched with the teeth, the driving assembly comprises a screw rod 13 which is horizontally and rotatably connected at the positions, which are close to a strip-shaped through groove 18, of two inner walls, which are relatively far away from two sides of a test table 1, and are respectively sleeved with ball nuts 12 at the positions, which are close to connecting rods 19, the two ball nuts 12 are relatively far away from two sides, are respectively bolted at one side of the two connecting rods 19, one end of the two screw rods 13, which penetrates through the test table 1 and is far away from one side of a wind-up roller 6, is sleeved with the same belt 14, 1 one side of test table is close to one of them lead screw 13 position department horizontal welding has second L shape connecting plate 15, and 1 one side horizontal rotation of test table is kept away from to second L shape connecting plate 15 is connected with crank 17, and crank 17 one end is passed 15 both sides outer walls of second L shape connecting plate and is connected with 13 one end key-type of one of them lead screw, the universal wheel is all installed perpendicularly in 1 lower part four corners position department of test table, and be equipped with the brake on the universal wheel, first motor 3, the equal electric connection of second motor 16 has the switch, and the switch even has the power cord, 2 pipe connections of hydro-cylinder have the oil pump.
The working principle of the embodiment is as follows: when the device is used, a tester only needs to push the test table 1 to the position of the engine to enable the engine to be positioned between the lower parts of the test table 1, then rotates the crank 17 to drive the two screw rods 13 to rotate to drive the two connecting rods 19 to horizontally move, so that the winding rollers 6 at the upper ends of the two oil cylinders 2 move and adjust the position, the hook 5 is aligned with the engine at the lower part, the first motor 3 is driven to enable the hook 5 to move downwards to hook the earrings at the upper part of the engine, the engine is lifted up to between the vertical plates 7 at the two ends, the tester can conveniently fix the engine at the next step, the tester pulls out the tooth column 23 to separate the tooth column from the round hole at one end of the rotating shaft 20, releases the rotating shaft 20, then rotates the two cross rods 8 to adjust the proper positions, the distance between the telescopic rods 9 on the two telescopic cross rods 8 and the engine is adjusted, and further the threaded holes 22 on the two L-shaped mounting strips 21 are aligned with the threaded holes on the cylinder bodies at the two sides of the engine, fix both through the bolt and screw up, impel tooth post 23 once more, chucking pivot 20, two horizontal poles of restriction 8 can not rotate again, accomplish fixed engine, and this device is applicable to the engine fixed test of multiple variation in size, and the practicality is higher.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (5)

1. The automobile engine limit test platform comprises a test table (1) and is characterized in that the table top of the test table (1) is of an open structure, vertical plates (7) are vertically welded at the middle positions of the two ends of the upper part of the test table (1), rectangular grooves (11) are arranged at the upper ends of the two vertical plates (7), a rotating shaft (20) is horizontally and rotatably connected to the upper part of each rectangular groove (11) before the rectangular grooves are relatively close to the two sides, transverse rods (8) are horizontally sleeved and fixed on the rotating shaft (20), telescopic rods (9) are horizontally and slidably inserted at the ends of the two transverse rods (8) which are relatively close to the two sides, L-shaped mounting strips (21) are rotatably connected to the ends of the two telescopic rods (9) which are relatively close to the two sides, threaded holes (22) are formed through the outer walls of the two sides of the two L-shaped mounting strips (21) which are far away from the telescopic rods (9), and clamping components for limiting the rotation of the rotating shaft (20) are arranged on the two vertical plates (7), the test table (1) is relatively far away from the lower parts of the outer walls of the two sides and is provided with strip-shaped through grooves (18) along the length direction, one end in each of the two strip-shaped through grooves (18) is horizontally slid and inserted with a connecting rod (19), the upper parts of the two connecting rods (19) are relatively far away from one end and are vertically fixed with oil cylinders (2) through bolts, the upper ends of the two oil cylinders (2) are fixed with mounting blocks (4) through bolts, the two mounting blocks (4) are relatively close to the two sides and are horizontally and rotatably connected with the same winding roller (6), a winding rope is fixed at the middle position of the winding roller (6) through a winding coil, one end, far away from the winding roller (6), of the winding rope is bolted with a hook (5), one of the mounting blocks (4) is far away from one side of the winding roller (6) through the horizontal bolt, a first motor (3) output end penetrates through the outer walls of the two sides of one mounting block (4) and is connected with one end of the winding roller (6) through a key, the test table (1) is provided with a driving component for driving the two connecting rods (19) to horizontally move.
2. The automobile engine limit test platform according to claim 1, wherein the clamping assembly comprises a first L-shaped connecting plate (10) which is horizontally welded to the upper portion of one side of the vertical plate (7), a tooth post (23) is horizontally inserted into a middle position of one side of the first L-shaped connecting plate (10) away from the vertical plate (7), one end of each of the two rotating shafts (20) penetrates through the outer wall of one side of the vertical plate (7) close to the first L-shaped connecting plate (10), one end of each of the two rotating shafts (20) close to the tooth post (23) is provided with a round hole, the round hole is provided with tooth teeth along one circle of inner wall, and the tooth post (23) is matched with the tooth teeth.
3. The automobile engine limit test platform according to claim 1, wherein the driving assembly comprises a screw rod (13) which is horizontally and rotatably connected with the test table (1) and is relatively far away from two inner wall ends of two sides and is close to the position of the strip-shaped through groove (18), two ball nuts (12) are sleeved on the two screw rods (13) and are close to the position of the connecting rod (19), two ball nuts (12) are respectively bolted on two sides of the two connecting rods (19) and are relatively far away from the two sides, one end of each screw rod (13) far away from the wind-up roll (6) penetrates through the outer wall of the test table (1) and is sleeved with the same belt (14), a second L-shaped connecting plate (15) is horizontally welded on one side of the test table (1) close to one of the screw rods (13), and a second motor (16) is horizontally bolted on one side of the second L-shaped connecting plate (15) far away from the test table (1), and the output end of the second motor (16) passes through the two outer walls of the second L-shaped connecting plate (15) and is connected with one end of the screw rod (13) in a key mode.
4. The automobile engine limit test platform according to claim 1, wherein the driving assembly comprises a screw rod (13) which is horizontally and rotatably connected with the test table (1) at positions which are relatively far away from two ends of the inner wall of the two sides and close to the strip-shaped through groove (18), ball nuts (12) are sleeved on the two screw rods (13) at positions which are close to the connecting rods (19), the two ball nuts (12) are respectively bolted at one side of the two connecting rods (19) at positions which are relatively far away from the two sides, one ends of the two screw rods (13) which are far away from the wind-up roll (6) are respectively sleeved with the same belt (14) through the outer wall of the test table (1) at one side which is far away from the wind-up roll (6), a second L-shaped connecting plate (15) is horizontally welded at a position which is close to one of the screw rods (13) at one side of the test table (1), and a crank (17) is horizontally and rotatably connected with the second L-shaped connecting plate (15) at one side which is far away from the test table (1), and one end of the crank (17) passes through the outer walls of the two sides of the second L-shaped connecting plate (15) and is connected with one end of the screw rod (13) in a key mode.
5. The automobile engine limit test platform according to claim 1, wherein universal wheels are vertically mounted at four corners of the lower portion of the test table (1), brakes are arranged on the universal wheels, the first motor (3) and the second motor (16) are electrically connected with switches, the switches are connected with power lines, and oil cylinders (2) are connected with oil pumps through pipelines.
CN202120928580.6U 2021-04-30 2021-04-30 Automobile engine limit test platform Expired - Fee Related CN215374504U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120928580.6U CN215374504U (en) 2021-04-30 2021-04-30 Automobile engine limit test platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120928580.6U CN215374504U (en) 2021-04-30 2021-04-30 Automobile engine limit test platform

Publications (1)

Publication Number Publication Date
CN215374504U true CN215374504U (en) 2021-12-31

Family

ID=79628882

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120928580.6U Expired - Fee Related CN215374504U (en) 2021-04-30 2021-04-30 Automobile engine limit test platform

Country Status (1)

Country Link
CN (1) CN215374504U (en)

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Granted publication date: 20211231

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