CN212410059U - Electric vehicle frame vertical force fatigue test machine - Google Patents
Electric vehicle frame vertical force fatigue test machine Download PDFInfo
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- CN212410059U CN212410059U CN202023081137.4U CN202023081137U CN212410059U CN 212410059 U CN212410059 U CN 212410059U CN 202023081137 U CN202023081137 U CN 202023081137U CN 212410059 U CN212410059 U CN 212410059U
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- electric vehicle
- vehicle frame
- bradyseism
- vertical force
- frame
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 33
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 238000013522 software testing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an electric vehicle frame vertical force fatigue testing machine, which relates to the technical field of electric vehicle frame production and comprises a frame, wherein a first supporting column and a second supporting column are symmetrically arranged at the two sides of the top of the frame, a mounting frame is fixed at the rear side of the top of the frame, an electric vehicle frame is arranged between the first supporting column and the second supporting column, a servo motor is arranged at the top end of the mounting frame, a top bearing seat and a bottom bearing seat are symmetrically arranged on the front surface of the mounting frame, and a lead screw is movably arranged between the top bearing seat and the bottom bearing seat. The working efficiency of the tester can be improved.
Description
Technical Field
The utility model belongs to the technical field of electric vehicle frame production, concretely relates to electric vehicle frame vertical force fatigue test machine.
Background
The electric vehicle frame is an important component part of the electric vehicle and is mainly used for supporting the whole vehicle body so as to facilitate the stable running of the electric vehicle. In the production process of the electric vehicle frame, a testing machine is generally adopted to carry out a vertical force fatigue test on the electric vehicle frame so as to test the bearing capacity of the electric vehicle frame, and the batch production of the electric vehicle frame is facilitated.
However, the electric vehicle frame vertical force fatigue testing machine on the market at present has certain defects in the use process, for example, during testing, the rigidity and the strength of the testing machine need to be improved, the continuous testing of the electric vehicle frame is influenced, the working efficiency of the testing machine is reduced, in addition, the cushioning of the testing machine cannot be realized, the stability of the testing machine is poor, the stable testing of the electric vehicle frame is inconvenient, and the testing efficiency of the electric vehicle frame is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric vehicle frame vertical force fatigue test machine to the rigidity and the intensity of the test machine that provide in solving above-mentioned background art remain to be improved, influence electric vehicle frame's continuation test, lead to test machine work efficiency's reduction, can not realize the bradyseism to the test machine in addition, the electric vehicle frame stability test's of being not convenient for problem.
In order to achieve the above object, the utility model provides a following technical scheme: a vertical force fatigue testing machine for an electric vehicle frame comprises a frame, wherein a first supporting column and a second supporting column are symmetrically arranged on two sides of the top of the frame, a mounting frame is fixed on the rear side of the top of the frame, the electric vehicle frame is erected between the first supporting column and the second supporting column, a servo motor is installed at the top end of the mounting frame, a top bearing seat and a bottom bearing seat are symmetrically installed on the front surface of the mounting frame, a lead screw is movably installed between the top bearing seat and the bottom bearing seat and is rotationally connected with the servo motor, two linear slide rails are fixed on the front surface of the mounting frame and symmetrically distributed on two sides of the lead screw, a linear slide block matched with the two linear slide rails is sleeved outside the lead screw, a fixing seat is installed on the front surface of the linear slide block, and a pressure sensor is fixed at the bottom, and a controller is installed on one side of the mounting rack.
Preferably, four corners of frame bottom all are provided with the supporting legs, and all are connected with bradyseism mechanism between the bottom of four supporting legs and frame, bradyseism mechanism includes spliced pole and bradyseism sleeve, wherein, the telescopic inside fretwork of bradyseism is formed with the inner chamber, and is fixed with the bradyseism spring in the inner chamber, the top of bradyseism spring is connected with the bradyseism board, the top of spliced pole is connected in the bottom of frame, and the bottom of spliced pole inserts in the inside inner chamber of bradyseism sleeve to be connected with the bradyseism board.
Preferably, the limiting blocks are installed at two ends of the cushioning plate, the limiting grooves are formed in two sides of the inner wall of the inner cavity, and the two limiting grooves correspond to the two limiting blocks one to one.
Preferably, the supporting legs are in an inverted horn shape, the bottom ends of the supporting legs are bonded with damping pads, and the cross-sectional shapes of the damping pads are matched with the cross-sectional shapes of the supporting legs.
Preferably, the opposite corners of one end of the limiting block, which is far away from the cushioning plate, are in arc chamfer transition to form smooth arc parts of the surface wall.
Preferably, still install telescopic gangbar in the inside inner chamber of bradyseism sleeve, and the both ends of gangbar are connected respectively in the inside bottom of inner chamber and the bottom of bradyseism board, the outside of gangbar is located to the bradyseism spring housing.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a servo motor, lead screw, sharp slider and linear slide rail's setting can realize fixing base bottom pressure sensor's stable pushing down to effectual rigidity and the intensity that improves the test machine are favorable to electric vehicle frame's vertical force fatigue test, can improve the work efficiency of test machine, great increase the work benefit of test machine.
(2) The utility model discloses a buffering energy dissipation to the test machine can be realized to the setting of bradyseism mechanism to realize the bradyseism of test machine, so that the test machine steady job, effectual stability when having improved electric vehicle frame vertical force fatigue test realizes electric vehicle frame's quick test, great improvement electric vehicle frame's efficiency of software testing, so that electric vehicle frame's test.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the mounting bracket of the present invention;
FIG. 3 is a cross-sectional view of the cushioning mechanism of the present invention;
in the figure: 1-a frame; 2-a first support column; 3-an electric vehicle frame; 4-a linear slide rail; 5-linear slide block; 6-a servo motor; 7-a top bearing seat; 8-a screw rod; 9-a fixed seat; 10-a controller; 11-a pressure sensor; 12-a mounting frame; 13-a second support column; 14-a cushioning mechanism; 141-connecting column; 142-a cushioning plate; 143-cushioning springs; 144-a shock absorbing sleeve; 145-a limiting groove; 146-a stop block; 15-bottom bearing seats; 16-support the feet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions: a fatigue testing machine for vertical force of an electric vehicle frame comprises a frame 1, wherein a first supporting column 2 and a second supporting column 13 are symmetrically arranged on two sides of the top of the frame 1, an installation frame 12 is fixed on the rear side of the top of the frame 1, an electric vehicle frame 3 is erected between the first supporting column 2 and the second supporting column 13, a servo motor 6 is installed at the top end of the installation frame 12, the type of the servo motor 6 is HC-SFS103, a top bearing seat 7 and a bottom bearing seat 15 are symmetrically installed on the front surface of the installation frame 12, a screw rod 8 is movably installed between the top bearing seat 7 and the bottom bearing seat 15 and is rotatably connected with the servo motor 6, two linear sliding rails 4 are fixed on the front surface of the installation frame 12, the two linear sliding rails 4 are symmetrically distributed on two sides of the screw rod 8, a linear sliding block 5 matched with the two linear sliding rails 4 is sleeved outside the screw rod 8, and a, the bottom of fixing base 9 is fixed with pressure sensor 11, and pressure sensor 11's model is BMP08, and controller 10 is installed to one side of mounting bracket 12, and controller 10 adopts the PLC editor's controller, and the model is PLC CPU226, and servo motor 6 and pressure sensor 11 all with controller 10 electric connection.
In particular, during testing, a worker can erect the electric vehicle frame 3 on the frame 1 through the first supporting column 2 and the second supporting column 13, the tester is powered on, the controller 10 controls the servo motor 6 to work, so that the servo motor 6 drives the screw rod 8 to rotate under the action of the top bearing seat 7 and the bottom bearing seat 15 to drive the linear slide block 5 to slide along the linear slide rail 4, and further drives the fixed seat 9 to move up and down, at the moment, the pressure sensor 11 goes up and down along with the fixed seat, when the pressure sensor 11 is pressed against the top of the electric vehicle frame 3, so as to vertically press down the electric vehicle frame 3, at this time, the pressure sensor 11 feeds back pressure data to the controller 10, and then displays the data through the display screen on the controller 10, thus, the electric vehicle frame 3 is pressed down in a reciprocating manner, so that the aim of performing a vertical force fatigue test on the electric vehicle frame 3 is fulfilled;
in addition, in the testing process of the electric vehicle frame 3, the linear sliding block 5 can stably slide along the linear sliding rail 4 through the transmission of the servo motor 6 and the screw rod 8, so that the pressure sensor 11 at the bottom of the fixing seat 9 is stably pressed down, the rigidity and the strength of the testing machine are effectively improved, the vertical force fatigue testing of the electric vehicle frame 3 is facilitated, the working efficiency of the testing machine can be improved, and the working benefit of the testing machine is greatly increased.
In this embodiment, preferably, four corners of the bottom of the rack 1 are provided with the supporting legs 16, and the four supporting legs 16 and the bottom of the rack 1 are connected with the cushioning mechanism 14 therebetween, the cushioning mechanism 14 includes the connecting column 141 and the cushioning sleeve 144, wherein the interior of the cushioning sleeve 144 is hollowed out, an inner cavity is formed, and a cushioning spring 143 is fixed in the inner cavity, the top end of the cushioning spring 143 is connected with the cushioning plate 142, the top end of the connecting column 141 is connected to the bottom of the rack 1, and the bottom end of the connecting column 141 is inserted into the inner cavity of the cushioning sleeve 144 and is connected with the cushioning plate 142.
Specifically, in the test machine course of operation, supporting legs 16 support frame 1, bradyseism mechanism 14 carries out the bradyseism to frame 1 simultaneously, through spliced pole 141, bradyseism board 142 and bradyseism spring 143 buffering energy dissipation to frame 1 promptly, thereby realize the bradyseism of test machine, so that the test machine steady operation, the effectual stability when having improved electric vehicle frame 3 vertical force fatigue test, realize electric vehicle frame 3's quick test, great improvement electric vehicle frame 3's efficiency of software testing, so that electric vehicle frame 3's test.
In this embodiment, preferably, the two ends of the shock absorption plate 142 are both provided with the limiting blocks 146, the two sides of the inner wall of the inner cavity are both provided with the limiting grooves 145, and the two limiting grooves 145 are in one-to-one correspondence with the two limiting blocks 146.
Specifically, when the cushioning plate 142 moves along the inner cavity, the limiting block 146 slides along the limiting groove 145, so that the cushioning plate 142 slides, and the limiting of the cushioning plate 142 can be realized, so that the cushioning plate 142 stably moves, and the stable cushioning of the rack 1 is facilitated.
In this embodiment, the supporting legs 16 are preferably in the shape of an inverted horn, and the bottom ends of the supporting legs 16 are bonded with damping pads, and the cross-sectional shapes of the damping pads are matched with the cross-sectional shapes of the supporting legs 16.
Specifically, through the damping pad, can be further play the effect of bradyseism to frame 1, the effectual bradyseism effect that has improved frame 1 to the stable work of test machine.
In this embodiment, preferably, opposite corners of one end of the limiting block 146 away from the shock absorbing plate 142 are all transited by arc chamfers to form an arc portion with a smooth surface wall.
Specifically, the arc portion of the surface wall is smooth, so that the limiting block 146 can slide along the limiting groove 145 conveniently, and the shock absorption plate 142 can move stably.
In this embodiment, preferably, a retractable linkage rod is further installed in the inner cavity of the cushioning sleeve 144, two ends of the linkage rod are respectively connected to the bottom of the inner cavity and the bottom end of the cushioning plate 142, and the cushioning spring 143 is sleeved outside the linkage rod.
Specifically, in the process of stretching and retracting the cushioning spring 143, the telescopic linkage rod stretches and retracts, so that the stability of the cushioning spring 143 in stretching and retracting is effectively improved, and the cushioning spring 143 drives the cushioning plate 142 to move stably.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an electric motor car frame vertical force fatigue test machine which characterized in that: comprises a rack (1), wherein a first supporting column (2) and a second supporting column (13) are symmetrically arranged on two sides of the top of the rack (1), a mounting rack (12) is fixed on the rear side of the top of the rack (1), an electric vehicle frame (3) is erected between the first supporting column (2) and the second supporting column (13), a servo motor (6) is installed on the top of the mounting rack (12), a top bearing seat (7) and a bottom bearing seat (15) are symmetrically arranged on the front surface of the mounting rack (12), a screw rod (8) is movably arranged between the top bearing seat (7) and the bottom bearing seat (15), the screw rod (8) is rotatably connected with the servo motor (6), two linear sliding rails (4) are fixed on the front surface of the mounting rack (12), the two linear sliding rails (4) are symmetrically arranged on two sides of the screw rod (8), a linear sliding block (5) matched with the two linear sliding rails (4) is sleeved on the outside of the screw rod (, and the front surface mounting of sharp slider (5) has fixing base (9), the bottom of fixing base (9) is fixed with pressure sensor (11), controller (10) are installed to one side of mounting bracket (12).
2. The electric vehicle frame vertical force fatigue testing machine of claim 1, characterized in that: four corners of frame (1) bottom all are provided with supporting legs (16), and all are connected with bradyseism mechanism (14) between the bottom of four supporting legs (16) and frame (1), bradyseism mechanism (14) include spliced pole (141) and bradyseism sleeve (144), wherein, the inside fretwork of bradyseism sleeve (144) is formed with the inner chamber, and is fixed with bradyseism spring (143) in the inner chamber, the top of bradyseism spring (143) is connected with bradyseism board (142), the top of spliced pole (141) is connected in the bottom of frame (1), and the bottom of spliced pole (141) inserts in the inside inner chamber of bradyseism sleeve (144) to be connected with bradyseism board (142).
3. The electric vehicle frame vertical force fatigue testing machine of claim 2, characterized in that: limiting blocks (146) are mounted at two ends of the shock absorption plate (142), limiting grooves (145) are formed in two sides of the inner wall of the inner cavity, and the two limiting grooves (145) correspond to the two limiting blocks (146) one to one.
4. The electric vehicle frame vertical force fatigue testing machine of claim 2, characterized in that: the supporting legs (16) are in an inverted horn shape, the bottom ends of the supporting legs (16) are bonded with damping pads, and the cross section shapes of the damping pads are matched with the cross section shapes of the supporting legs (16).
5. The electric vehicle frame vertical force fatigue testing machine of claim 3, characterized in that: the opposite corners of one end, far away from the shock absorption plate (142), of the limiting block (146) are in arc chamfering transition to form smooth arc parts of the surface wall.
6. The electric vehicle frame vertical force fatigue testing machine of claim 2, characterized in that: the telescopic linkage rod is further installed in the inner cavity of the inner portion of the cushioning sleeve (144), two ends of the linkage rod are connected to the bottom of the inner portion of the inner cavity and the bottom end of the cushioning plate (142) respectively, and the cushioning spring (143) is sleeved on the outer portion of the linkage rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023081137.4U CN212410059U (en) | 2020-12-21 | 2020-12-21 | Electric vehicle frame vertical force fatigue test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023081137.4U CN212410059U (en) | 2020-12-21 | 2020-12-21 | Electric vehicle frame vertical force fatigue test machine |
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| Publication Number | Publication Date |
|---|---|
| CN212410059U true CN212410059U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023081137.4U Expired - Fee Related CN212410059U (en) | 2020-12-21 | 2020-12-21 | Electric vehicle frame vertical force fatigue test machine |
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| CN (1) | CN212410059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113816215A (en) * | 2021-09-12 | 2021-12-21 | 苏州弗里曼自动化设备有限公司 | Good stainless steel support of stability for coiling machine |
-
2020
- 2020-12-21 CN CN202023081137.4U patent/CN212410059U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113816215A (en) * | 2021-09-12 | 2021-12-21 | 苏州弗里曼自动化设备有限公司 | Good stainless steel support of stability for coiling machine |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210126 |