CN211978254U

CN211978254U - Automobile spring fatigue test bench convenient for spring fixing

Info

Publication number: CN211978254U
Application number: CN202020956626.0U
Authority: CN
Inventors: 廖晓丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-31
Filing date: 2020-05-31
Publication date: 2020-11-20
Anticipated expiration: 2030-05-31

Abstract

The utility model discloses a car spring fatigue test platform convenient to spring fastening, including spring fatigue test platform main part and vibration sensor, the top of spring fatigue test platform main part is provided with the roof-rack board, and the left and right sides of roof-rack board bottom all welds the slide bar, the bottom of slide bar all with spring fatigue test platform main part welded fastening, the below of roof-rack board is provided with the fixed station, the inside of fixed station is provided with first pivot, and the both ends of first pivot all are connected through embedded bearing with the fixed station inner wall, the left side at fixed station top is provided with first knob, first removal cover has all been cup jointed in the outside at first pivot both ends, and the bottom of first removal cover has all welded fixed establishment. The utility model is simple in operation convenient, the installation is dismantled fastly to it is very firm, improved the device stability in the course of the work, prevent that car spring main part from droing from the device, improved the device's security.

Description

Automobile spring fatigue test bench convenient for spring fixing

Technical Field

The utility model relates to a car spring fatigue test platform technical field specifically is a car spring fatigue test platform convenient to spring is fixed.

Background

The automobile spring fatigue test bench is mainly characterized in that a motor and a speed reducer are connected with a cam to drive a connecting rod to reciprocate, compression movement of a spring is achieved, the maximum compression resilience times of the spring is tested, the quality of the spring is judged, the safety and the service life of the spring when the spring is applied to an automobile are guaranteed, the existing automobile spring fatigue test bench is only used for simply fixing the spring, the stability is insufficient in the test process, the spring is likely to fall off from an engine body, and potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car spring fatigue test platform convenient to spring is fixed to the current car spring fatigue test platform who provides in solving above-mentioned background art only carries out simple fixing to the spring, and stability is not enough in the testing process, probably produces the spring and drops the departure from the organism, has the problem of potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: an automobile spring fatigue test bench convenient for spring fixation comprises a spring fatigue test bench main body and a vibration sensor, wherein a top frame plate is arranged above the spring fatigue test bench main body, slide rods are welded on the left side and the right side of the bottom of the top frame plate, the bottom ends of the slide rods are fixedly welded with the spring fatigue test bench main body, a fixed table is arranged below the top frame plate, slide sleeves are welded on the left side and the right side of the fixed table, the slide sleeves are sleeved on the slide rods, a first rotating rod is arranged inside the fixed table, the two ends of the first rotating rod are connected with the inner wall of the fixed table through embedded bearings, a first knob is arranged on the left side of the top of the fixed table, the bottom end of a first knob center shaft penetrates through the fixed table and extends into the fixed table, first moving sleeves are sleeved on the outer sides of the two ends of the first rotating rod, and fixing mechanisms are welded on the, the bottom of fixed establishment passes the fixed station inner wall and extends to the fixed station below, the bottom of fixed station is provided with car spring main part, the middle part of roof boarding board is inserted through embedded bearing and is equipped with and revolves the cover, and the middle part of revolving the cover runs through there is the carriage release lever, the bottom and the fixed station welded fastening of carriage release lever, the top welding of spring fatigue testboard main part actuating lever has the drive plate, the slide bar all runs through the both ends of drive plate, the mid-mounting on drive plate top has vibration sensor, and vibration sensor's top installs the carrier plate.

Preferably, the left end of the first rotating rod is in transmission connection with the bottom end of the central shaft of the first knob through a bevel gear, and the first rotating rod and the first knob form a linkage structure.

Preferably, the surface at first bull stick both ends all is provided with the external screw thread, the screw thread opposite direction of first bull stick both ends external screw thread, all be provided with the internal thread of mutually supporting with first bull stick on the inner wall of first removal cover.

Preferably, fixed establishment removes cover and dead lever including removing frame, second bull stick, second knob, second, the inside of removing the frame is provided with the second bull stick, and the top of second bull stick is connected with removing the frame inner wall through embedded bearing, the bottom of second bull stick is passed and is removed the frame inner wall and extend to removing the frame below, the bottom welding of second bull stick has the second knob, the second removes the cover has been cup jointed in the outside of second bull stick, and one side welding of second removal cover has the dead lever, the dead lever is kept away from the one end that the second removed the cover and is passed and remove the frame and extend to the outside of removing the frame.

Preferably, the surface of the second rotating rod is provided with an external thread, the inner wall of the second moving sleeve is provided with an internal thread, and the second rotating rod is connected with the second moving sleeve through a thread structure.

Preferably, be provided with the internal thread on the inner wall of revolving the cover, the surface of carriage release lever is provided with the external screw thread, revolve the cover and be connected through helicitic texture with the carriage release lever.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be provided with fixed establishment, when the user installed the car spring main part on the device, at first according to the diameter size of car spring main part, the interval between rotatory first knob to two sets of fixed establishment is adjusted, after adjusting to car spring main part assorted distance, the user rotated the second knob and made the dead lever compress tightly car spring main part on the ground step of fixed station, thereby fix car spring main part on the device, easy operation is convenient, the installation is dismantled fastly, and very firm, the stability of the device in the course of the work is improved, prevent that car spring main part from coming off from the device, the security that has improved the device;

2. the utility model discloses a be provided with vibration sensor, the actuating lever of spring fatigue testboard main part drives the drive plate and reciprocates, make the carrier plate promote the bottom of car spring main part, compress the action to car spring main part repeatedly, reach the limit when car spring main part fatigue and appear damaging the back, car spring main part resilience force itself is not enough, the phenomenon of indirection and carrier plate separation can appear, make the bottom of car spring main part and carrier plate produce the collision, vibration sensor detects the tremor degree on carrier plate surface, when detecting carrier plate surface tremor value and being greater than the standard value, send the suggestion to spring fatigue testboard main part with the signal, remind user's car spring main part to reach fatigue value, it looks over to need not the user to pull down car spring main part from the device, therefore, the clothes hanger is strong in practicability.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the structure of the present invention in a partial front view;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention;

fig. 4 is a schematic structural front sectional view of the middle fixing mechanism of the present invention.

In the figure: 1. a main body of the spring fatigue test bench; 2. a top frame plate; 3. a slide bar; 4. a fixed table; 5. a sliding sleeve; 6. a first rotating lever; 7. a first knob; 8. a first moving sleeve; 9. a fixing mechanism; 91. moving the frame; 92. a second rotating rod; 93. a second knob; 94. a second movable sleeve; 95. fixing the rod; 10. screwing a sleeve; 11. a travel bar; 12. an automotive spring body; 13. a drive plate; 14. a vibration sensor; 15. a carrier sheet.

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. 1-4, the present invention provides an embodiment:

an automobile spring fatigue test bench convenient for spring fixation comprises a spring fatigue test bench main body 1 and a vibration sensor 14, wherein a top frame plate 2 is arranged above the spring fatigue test bench main body 1, slide rods 3 are welded on the left side and the right side of the bottom of the top frame plate 2, the bottom ends of the slide rods 3 are welded and fixed with the spring fatigue test bench main body 1, a fixed platform 4 is arranged below the top frame plate 2, slide sleeves 5 are welded on the left side and the right side of the fixed platform 4, the slide sleeves 5 are all sleeved on the slide rods 3, a first rotating rod 6 is arranged inside the fixed platform 4, both ends of the first rotating rod 6 are connected with the inner wall of the fixed platform 4 through embedded bearings, a first knob 7 is arranged on the left side of the top of the fixed platform 4, the bottom end of the central shaft of the first knob 7 penetrates through the fixed platform 4 and extends into the fixed platform 4, the left end of the first rotating rod 6 is, the first rotating rod 6 and the first knob 7 form a linkage structure, a user rotates the first knob 7 to drive the first rotating rod 6 to rotate through a bevel gear, the outer sides of two ends of the first rotating rod 6 are sleeved with first moving sleeves 8, the bottom ends of the first moving sleeves 8 are welded with fixing mechanisms 9, the bottom ends of the fixing mechanisms 9 penetrate through the inner wall of the fixed table 4 to extend to the lower portion of the fixed table 4, the bottom of the fixed table 4 is provided with an automobile spring main body 12, the surfaces of two ends of the first rotating rod 6 are provided with external threads, the thread directions of the external threads of the two ends of the first rotating rod 6 are opposite, the inner wall of the first moving sleeve 8 is provided with internal threads matched with the first rotating rod 6, each fixing mechanism 9 comprises a moving frame 91, a second rotating rod 92, a second knob 93, a second moving sleeve 94 and a fixing rod 95, the inside of the moving frame 91 is provided with a second rotating rod 92, and the top end of the second rotating rod 92 is connected with the inner wall, the bottom end of the second rotating rod 92 penetrates through the inner wall of the moving frame 91 and extends to the lower side of the moving frame 91, the bottom end of the second rotating rod 92 is welded with a second knob 93, the outer side of the second rotating rod 92 is sleeved with a second moving sleeve 94, one side of the second moving sleeve 94 is welded with a fixed rod 95, one end, far away from the second moving sleeve 94, of the fixed rod 95 penetrates through the moving frame 91 and extends to the outer portion of the moving frame 91, the surface of the second rotating rod 92 is provided with an external thread, the inner wall of the second moving sleeve 94 is provided with an internal thread, and the second rotating rod 92 is connected with the second moving sleeve 94 through a thread structure;

when a user installs the automobile spring body 12 on the device, firstly, according to the diameter of the automobile spring body 12, the first knob 7 is rotated, the first rotating rod 6 is driven to rotate through the bevel gear, the first moving sleeve 8 is driven to slide on the first rotating rod 6 through the thread structure of the first rotating rod 6 and the first moving sleeve 8 which are mutually matched, because the thread directions of the two end surfaces of the first rotating rod 6 are opposite, the moving directions of the two groups of first moving sleeves 8 driving the fixing mechanisms 9 are opposite, so as to adjust the distance between the two groups of fixing mechanisms 9, after the distance matched with the automobile spring body 12 is adjusted, the user rotates the second knob 93 to drive the second rotating rod 92 to rotate, the second moving sleeve 94 is driven to slide on the second rotating rod 92 through the thread structure, so that the second moving sleeve 94 drives the fixing rod 95 to press the automobile spring body 12 on the fixing table 4, thereby securing the automotive spring body 12 to the device;

the middle part of the top frame plate 2 is inserted with a rotary sleeve 10 through an embedded bearing, a moving rod 11 penetrates through the middle part of the rotary sleeve 10, the bottom end of the moving rod 11 is welded and fixed with the fixed table 4, an internal thread is arranged on the inner wall of the rotary sleeve 10, an external thread is arranged on the surface of the moving rod 11, the rotary sleeve 10 is connected with the moving rod 11 through a thread structure, after a user fixes the automobile spring main body 12 to the bottom of the fixed table 4, the rotary sleeve 10 is rotated to drive the moving rod 11 to move downwards through the thread structure, so that the moving rod 11 drives the fixed table 4 to move downwards, and the bottom end of the automobile spring main body 12 is attached to the bearing sheet 15;

the top end of a driving rod of a main body 1 of the spring fatigue test bench is welded with a driving plate 13, a sliding rod 3 penetrates through two ends of the driving plate 13, a vibration sensor 14 is arranged in the middle of the top end of the driving plate 13, a bearing sheet 15 is arranged at the top end of the vibration sensor 14, the driving rod of the main body 1 of the spring fatigue test bench drives the driving plate 13 to move up and down, the bearing sheet 15 pushes the bottom end of a main body 12 of an automobile spring, the main body 12 of the automobile spring is repeatedly compressed, when the fatigue of the main body 12 of the automobile spring reaches the limit and is damaged, the resilience of the main body 12 of the automobile spring is insufficient, the phenomenon of indirect separation from the bearing sheet 15 can occur, the bottom end of the main body 12 of the automobile spring collides with the bearing sheet 15, the vibration sensor 14 detects the vibration degree on the surface of the bearing sheet 15, when the, reminding the user that the automobile spring body 12 reaches the fatigue value without the need for the user to detach the automobile spring body 12 from the device for viewing.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a car spring fatigue test platform convenient to spring is fixed, includes spring fatigue test platform main part (1) and vibration sensor (14), its characterized in that: the spring fatigue test bed is characterized in that a top frame plate (2) is arranged above a main body (1) of the spring fatigue test bed, sliding rods (3) are welded on the left side and the right side of the bottom of the top frame plate (2), the bottom ends of the sliding rods (3) are welded with the main body (1) of the spring fatigue test bed, a fixed table (4) is arranged below the top frame plate (2), sliding sleeves (5) are welded on the left side and the right side of the fixed table (4), the sliding sleeves (5) are all sleeved on the sliding rods (3), a first rotating rod (6) is arranged inside the fixed table (4), the two ends of the first rotating rod (6) are connected with the inner wall of the fixed table (4) through embedded bearings, a first knob (7) is arranged on the left side of the top of the fixed table (4), the bottom end of a center shaft of the first knob (7) penetrates through the fixed table (4) and extends into the fixed table (4), first moving sleeves (8) are sleeved on, and the bottom of first removal cover (8) all has welded fixed establishment (9), the bottom of fixed establishment (9) is passed fixed station (4) inner wall and is extended to fixed station (4) below, the bottom of fixed station (4) is provided with car spring main part (12), the middle part of roof plate (2) is inserted through embedded bearing and is equipped with and revolves cover (10), and the middle part of revolving cover (10) runs through has carriage release lever (11), the bottom and fixed station (4) welded fastening of carriage release lever (11), the top welding of spring fatigue test platform main part (1) actuating lever has drive plate (13), slide bar (3) all run through the both ends of drive plate (13), the mid-mounting on drive plate (13) top has vibration sensor (14), and the top of vibration sensor (14) installs bearing piece (15).

2. The automobile spring fatigue test bench convenient for spring fixing according to claim 1, characterized in that: the left end of the first rotating rod (6) is in transmission connection with the bottom end of a central shaft of the first knob (7) through a bevel gear, and the first rotating rod (6) and the first knob (7) form a linkage structure.

3. The automobile spring fatigue test bench convenient for spring fixing according to claim 1, characterized in that: the surface at first bull stick (6) both ends all is provided with the external screw thread, the screw thread opposite direction of first bull stick (6) both ends external screw thread, all be provided with the internal thread of mutually supporting with first bull stick (6) on the inner wall of first removal cover (8).

4. The automobile spring fatigue test bench convenient for spring fixing according to claim 1, characterized in that: fixed establishment (9) are including removing frame (91), second bull stick (92), second knob (93), second removal cover (94) and dead lever (95), the inside of removing frame (91) is provided with second bull stick (92), and the top of second bull stick (92) is connected with removal frame (91) inner wall through embedded bearing, the bottom of second bull stick (92) is passed and is removed frame (91) inner wall and extend to removal frame (91) below, the bottom welding of second bull stick (92) has second knob (93), the second removal cover (94) has been cup jointed in the outside of second bull stick (92), and the welding of one side of second removal cover (94) has dead lever (95), the one end that the second was kept away from in dead lever (95) passes removal frame (91) and extends to the outside of removing frame (91).

5. The automobile spring fatigue test bench convenient for spring fixing according to claim 4, characterized in that: the surface of the second rotating rod (92) is provided with external threads, the inner wall of the second moving sleeve (94) is provided with internal threads, and the second rotating rod (92) is connected with the second moving sleeve (94) through a threaded structure.

6. The automobile spring fatigue test bench convenient for spring fixing according to claim 1, characterized in that: be provided with the internal thread on the inner wall of cover (10) soon, the surface of carriage release lever (11) is provided with the external screw thread, it is connected through helicitic texture with carriage release lever (11) to revolve cover (10).