Stabilizer bar fatigue testing machine

Abstract

The utility model relates to the related technical field of stabilizer bars, in particular to a stabilizer bar fatigue testing machine, and provides the following technical scheme for achieving the purpose: the stabilizer bar fatigue testing machine comprises a base, a rear cover is arranged at the upper end of the base, a detection mechanism is arranged in the rear cover, and a motor is arranged in the rear cover. A fixing structure is mounted at the upper end of the base; the detection mechanism comprises a motor, a cross gear box, a coupler, an eccentric shaft adjusting plate, an eccentric shaft, an adjusting bolt, a connecting rod, a sliding rail mounting plate, a sliding frame, a connecting rod shaft, a first linear guide rail plate, a second linear guide rail and a connector, and the first linear guide rail plate and the second linear guide rail can drive the connector to move. The linear guide rail provides stable guiding, displacement accuracy of the connector is ensured, errors are reduced, the first workpiece adjusting plate and the second workpiece adjusting plate drive the lower fixing piece to move, accurate position adjustment of the lower fixing piece can be achieved, and the overall assembly accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of stabilizer bar, especially to a stabilizer bar fatigue testing machine. BACKGROUND

[0002] Stabilizer bar, commonly known as anti-roll bar, is an important component of automobile suspension system. Its main function is to reduce the roll of vehicle when turning, improve the handling stability and driving safety, therefore, as an important component of automobile suspension system, stabilizer bar must maintain its structural integrity and performance under various driving conditions. The main purpose of fatigue testing machine is to simulate real driving conditions, test the performance of stabilizer bar under repeated loading, ensure that it can withstand the stress in daily use, reduce the potential risk of failure, especially a stabilizer bar fatigue testing machine is needed.

[0003] However, the existing stabilizer bar fatigue testing machine, most of the fatigue testing machines fluctuate through independent movable parts at both ends of the stabilizer bar, which leads to the inability to detect the two ends of the stabilizer bar synchronously, thereby producing uneven load distribution, affecting the authenticity of the test, or causing stress concentration at one end, increasing the risk of fracture or failure, and reducing the effectiveness of the test. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of stabilizer bar fatigue testing machine, to solve the problem that the existing stabilizer bar fatigue testing machine in the above background art, most of the fatigue testing machines fluctuate through independent movable parts at both ends of the stabilizer bar, which leads to the inability to detect the two ends of the stabilizer bar synchronously, thereby producing uneven load distribution, affecting the authenticity of the test, causing stress concentration at one end, increasing the risk of fracture or failure, and reducing the effectiveness of the test.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of stabilizer bar fatigue testing machine, including base, the upper end of the base is installed with rear cover, the inside of the rear cover is provided with detection mechanism, the upper end of the base is installed with fixed structure;

[0006] The detection mechanism comprises the arrangement of motors, cross gear boxes, shaft couplings, eccentric shaft adjusting plates, eccentric shafts, adjusting bolts, connecting rods, slide rail mounting plates, sliding frames, connecting rod shafts, first linear guide rail plates, second linear guide rails and connecting heads, the upper end of the base is provided with a motor, the output end of the motor is provided with a cross gear box, the two ends of the cross gear box are provided with shaft couplings, one end of the shaft coupling is provided with an eccentric shaft adjusting plate, one end of the eccentric shaft adjusting plate is slidably connected with an eccentric shaft, one end of the eccentric shaft is provided with an adjusting bolt, one end of the eccentric shaft is provided with a connecting rod, the upper end of the base is provided with a slide rail mounting plate, the inner side of the slide rail mounting plate is slidably connected with a sliding frame, and the lower end of the sliding frame is provided with a connecting rod shaft.

[0007] Preferably, the upper end of the sliding frame is slidably connected with a first linear guide rail plate, the upper end of the first linear guide rail plate is slidably connected with a second linear guide rail, and the upper end of the second linear guide rail is provided with a connecting head.

[0008] Preferably, the eccentric shaft and the eccentric shaft adjusting plate constitute a sliding structure through the adjusting bolt, and the connecting rod and the slide rail mounting plate constitute a rotating structure through the eccentric shaft and the shaft coupling.

[0009] Preferably, the connecting rod and the sliding frame are connected through the connecting rod shaft, and the sliding frame and the slide rail mounting plate constitute a sliding structure through the connecting rod and the connecting rod shaft.

[0010] Preferably, the fixing structure comprises a front cover, a first workpiece adjusting plate, a second workpiece adjusting plate, a lower fixing piece and an upper fixing piece, the upper end of the base is provided with a front cover, the upper end of the front cover is provided with a first workpiece adjusting plate, the upper end of the first workpiece adjusting plate is slidably connected with a second workpiece adjusting plate, the upper end of the second workpiece adjusting plate is slidably connected with a lower fixing piece, and the upper end of the lower fixing piece is bolted with an upper fixing piece.

[0011] Preferably, the second workpiece adjusting plate and the front cover constitute a sliding structure through the first workpiece adjusting plate, and the lower fixing piece and the first workpiece adjusting plate constitute a sliding structure through the second workpiece adjusting plate.

[0012] Preferably, the inner sides of the lower fixing piece and the upper fixing piece are semicircular, and the inner sides of the lower fixing piece and the upper fixing piece are provided with anti-skid layers.

[0013] Compared with the prior art, the stabilizer bar fatigue testing machine has the advantages that the motor, the cross gear box, the shaft coupling, the eccentric shaft adjusting plate, the eccentric shaft, the adjusting bolt, the connecting rod, the slide rail mounting plate, the sliding frame, the connecting rod shaft, the first linear guide rail plate, the second linear guide rail, the connecting head, the front cover, the first workpiece adjusting plate, the second workpiece adjusting plate, the lower fixing part and the upper fixing part are arranged, the motor, the cross gear box, the shaft coupling and the eccentric shaft can synchronously drive the two connecting rods, the motor drives the cross gear box, the cross gear box drives the eccentric shaft to rotate through the shaft coupling, the eccentric shaft drives the connecting rod to displace, the eccentric shaft adjusting plate and the adjusting bolt adjust the eccentric shaft, the adjusting bolt drives the eccentric shaft to displace in the eccentric shaft adjusting plate, the eccentric distance can be accurately adjusted to adapt to different test requirements and working conditions, the applicability of the equipment is enhanced, the connecting rod and the connecting rod shaft can drive the sliding frame to slide in the slide rail mounting plate, the stability during the sliding process can be ensured, the test precision is improved, the first linear guide rail plate and the second linear guide rail can drive the connecting head to displace, the linear guide rail provides stable guidance, the displacement accuracy of the connecting head is ensured, errors are reduced, the first workpiece adjusting plate and the second workpiece adjusting plate drive the lower fixing part to displace, the accurate position adjustment of the lower fixing part can be realized, and the assembly precision is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a side view appearance structure schematic view of the utility model;

[0015] Figure 2 It is a rear cover internal structure schematic view of the utility model;

[0016] Figure 3 It is a cross gear box and connecting rod mutual cooperation structure schematic view of the utility model;

[0017] Figure 4 It is a connecting rod and connecting rod shaft mutual cooperation structure schematic view of the utility model;

[0018] Figure 5 It is a first workpiece adjusting plate and second workpiece adjusting plate schematic view of the utility model.

[0019] In the drawing: 1, base; 2, rear cover; 3, detection mechanism; 301, motor; 302, cross gear box; 303, shaft coupling; 304, eccentric shaft adjusting plate; 305, eccentric shaft; 306, adjusting bolt; 307, connecting rod; 308, slide rail mounting plate; 309, sliding frame; 310, connecting rod shaft; 311, first linear guide rail plate; 312, second linear guide rail; 313, connecting head; 4, fixed structure; 401, front cover; 402, first workpiece adjusting plate; 403, second workpiece adjusting plate; 404, lower fixing part; 405, upper fixing part. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-5 The utility model provides a kind of technical solutions: a stable rod fatigue testing machine, including base 1, it is characterized by: the upper end of base 1 is equipped with rear cover 2, detection mechanism 3 is arranged in the inside of rear cover 2, the upper end of base 1 is equipped with fixed structure 4;

[0022] Detection mechanism 3 includes the setting of motor 301, cross gear box 302, shaft coupling 303, eccentric shaft adjusting plate 304, eccentric shaft 305, adjusting bolt 306, connecting rod 307, slide rail mounting plate 308, sliding frame 309, connecting rod shaft 310, first linear guide rail plate 311, second linear guide rail 312 and connecting head 313, the upper end of base 1 is equipped with motor 301, the output end of motor 301 is equipped with cross gear box 302, the both ends of cross gear box 302 are equipped with shaft coupling 303, one end of shaft coupling 303 is equipped with eccentric shaft adjusting plate 304, one end of eccentric shaft adjusting plate 304 is connected with eccentric shaft 305 in sliding groove, one end of eccentric shaft 305 is equipped with adjusting bolt 306, one end of eccentric shaft 305 is equipped with connecting rod 307, the upper end of base 1 is equipped with slide rail mounting plate 308, the inner side of slide rail mounting plate 308 is connected with sliding frame 309 in sliding groove, the lower end of sliding frame 309 is equipped with connecting rod shaft 310, by the setting of motor 301, cross gear box 302, shaft coupling 303, eccentric shaft adjusting plate 304, eccentric shaft 305, adjusting bolt 306, connecting rod 307, slide rail mounting plate 308, sliding frame 309 and connecting rod shaft 310, motor 301, cross gear box 302, shaft coupling 303, eccentric shaft 305 can drive two groups of connecting rods 307 synchronously, motor 301 drives cross gear box 302, cross gear box 302 drives eccentric shaft 305 to rotate by shaft coupling 303, eccentric shaft 305 drives connecting rod 307 to displace, eccentric shaft adjusting plate 304 and adjusting bolt 306 adjust eccentric shaft 305, adjusting rotating bolt drives eccentric shaft 305 to displace in eccentric shaft adjusting plate 304, can accurately adjust eccentric distance, to adapt to different test requirements and working conditions, enhance the applicability of equipment, connecting rod 307 and connecting rod shaft 310 can drive sliding frame 309 to slide in slide rail mounting plate 308, can ensure the stability during sliding, improve test accuracy.

[0023] Further, the upper end of the sliding frame 309 is connected with a first linear guide plate 311, the upper end of the first linear guide plate 311 is connected with a second linear guide 312, and the upper end of the second linear guide 312 is installed with a connecting head 313. Through the setting of the first linear guide plate 311, the second linear guide 312 and the connecting head 313, the first linear guide plate 311 and the second linear guide 312 can drive the connecting head 313 to displace. The linear guide provides stable guidance to ensure the displacement accuracy of the connecting head 313 and reduce errors.

[0024] Further, the eccentric shaft 305 and the eccentric shaft adjusting plate 304 constitute a sliding structure through the adjusting bolt 306, the connecting rod 307 and the slide rail mounting plate 308 constitute a rotating structure through the eccentric shaft 305 and the shaft coupling 303, and the sliding structure allows accurate adjustment of the eccentric shaft 305 through the setting of the eccentric shaft 305, the adjusting bolt 306, the connecting rod 307 and the connecting shaft 308, which facilitates users to adjust the motion range and angle as needed.

[0025] Further, the connecting rod 307 is connected with the sliding frame 309 through the connecting rod shaft 310, and the sliding frame 309 and the slide rail mounting plate 308 constitute a sliding structure through the connecting rod 307 and the connecting rod shaft 310. Through the setting of the connecting rod 307, the slide rail mounting plate 308, the sliding frame 309 and the connecting rod shaft 310, the design of the linear guide makes the system more convenient to maintain, reduces the failure rate and maintenance cost, and ensures the continuous and stable operation of the system.

[0026] Further, the fixing structure 4 includes a front cover 401, a first workpiece adjusting plate 402, a second workpiece adjusting plate 403, a lower fixing piece 404 and an upper fixing piece 405. The upper end of the base 1 is installed with the front cover 401, the upper end of the front cover 401 is installed with the first workpiece adjusting plate 402, the upper end of the first workpiece adjusting plate 402 is connected with the second workpiece adjusting plate 403 through a sliding groove, the upper end of the second workpiece adjusting plate 403 is connected with the lower fixing piece 404 through a sliding groove, and the upper end of the lower fixing piece 404 is bolted with the upper fixing piece 405. Through the setting of the front cover 401, the first workpiece adjusting plate 402, the second workpiece adjusting plate 403, the lower fixing piece 404 and the upper fixing piece 405, the independence and replaceability of each component make the system have good modular characteristics, which is convenient for adjustment or replacement according to needs, and improves flexibility.

[0027] Further, the second workpiece adjusting plate 403 forms a sliding structure with the front cover 401 through the first workpiece adjusting plate 402, and the lower fixing piece 404 forms a sliding structure with the first workpiece adjusting plate 402 through the second workpiece adjusting plate 403, through the arrangement of the front cover 401, the first workpiece adjusting plate 402, the second workpiece adjusting plate 403 and the lower fixing piece 404, the first workpiece adjusting plate 402 and the second workpiece adjusting plate 403 drive the lower fixing piece 404 to displace, so that the precise position adjustment of the lower fixing piece 404 can be realized, and the precision of overall assembly is improved.

[0028] Further, the inner sides of the lower fixing piece 404 and the upper fixing piece 405 are semicircular, and the inner sides of the lower fixing piece 404 and the upper fixing piece 405 are provided with anti-skid layers, through the arrangement of the lower fixing piece 404 and the upper fixing piece 405, the semicircular design provides better fit, so that the workpiece is more stable during fixing, and sliding or loosening is effectively prevented.

[0029] Working principle: in use, first, the second workpiece adjusting plate 403 is adjusted by sliding inside the first workpiece adjusting plate 402, so that the second workpiece adjusting plate 403 drives the lower fixing piece 404 to adjust, and then the lower fixing piece 404 is adjusted by sliding on the upper end of the second workpiece adjusting plate 403 after the initial adjustment, after the lower fixing plate is adjusted to the appropriate position, the stabilizing rod is placed on the upper end of the lower fixing piece 404, then the upper fixing rod is installed, then the two ends of the stabilizing rod are connected with the connecting head 313, then the motor 301 is started, the motor 301 drives the cross gear box 302, the cross gear box 302 drives the eccentric shaft 305 through the shaft coupling 303, the eccentric shaft 305 drives the connecting rod 307 to move, the moving connecting rod 307 drives the sliding frame 309 to slide up and down inside the slide rail mounting plate through the connecting rod shaft 310, and the moving sliding frame 309 drives the connecting head 313 to displace through the first linear guide plate 311 and the second linear guide 312.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A stabilizer bar fatigue testing machine comprising a base (1), characterized in that: The upper end of the base (1) is provided with a rear cover (2), and the rear cover (2) is internally provided with a detection mechanism (3); the upper end of the base (1) is provided with a fixing structure (4); The detection mechanism (3) comprises the setting of a motor (301), a cross gear box (302), a shaft coupling (303), an eccentric shaft adjusting plate (304), an eccentric shaft (305), an adjusting bolt (306), a connecting rod (307), a slide rail mounting plate (308), a sliding frame (309), a connecting rod shaft (310), a first linear guide rail plate (311), a second linear guide rail (312) and a connecting head (313), the upper end of the base (1) is provided with the motor (301), the output end of the motor (301) is provided with the cross gear box (302), the two ends of the cross gear box (302) are provided with the shaft coupling (303), one end of the shaft coupling (303) is provided with the eccentric shaft adjusting plate (304), one end of the eccentric shaft adjusting plate (304) is slidably connected with the eccentric shaft (305), one end of the eccentric shaft (305) is provided with the adjusting bolt (306), one end of the eccentric shaft (305) is provided with the connecting rod (307), the upper end of the base (1) is provided with the slide rail mounting plate (308), the inner side of the slide rail mounting plate (308) is slidably connected with the sliding frame (309), and the lower end of the sliding frame (309) is provided with the connecting rod shaft (310).

2. The steady bar fatigue testing machine of claim 1, wherein: The upper end of the sliding frame (309) is slidably connected with the first linear guide rail plate (311), the upper end of the first linear guide rail plate (311) is slidably connected with the second linear guide rail (312), and the upper end of the second linear guide rail (312) is provided with the connecting head (313).

3. The steady bar fatigue testing machine of claim 1, wherein: The eccentric shaft (305) and the eccentric shaft adjusting plate (304) constitute a sliding structure through the adjusting bolt (306), and the connecting rod (307) and the slide rail mounting plate (308) constitute a rotating structure through the eccentric shaft (305) and the shaft coupling (303).

4. The steady bar fatigue testing machine of claim 1, wherein: The connecting rod (307) is connected with the sliding frame (309) through the connecting rod shaft (310), and the sliding frame (309) and the slide rail mounting plate (308) constitute a sliding structure through the connecting rod (307) and the connecting rod shaft (310).

5. The steady bar fatigue testing machine of claim 1, wherein: The fixing structure (4) comprises a front cover (401), a first workpiece adjusting plate (402), a second workpiece adjusting plate (403), a lower fixing piece (404) and an upper fixing piece (405), the upper end of the base (1) is provided with the front cover (401), the upper end of the front cover (401) is provided with the first workpiece adjusting plate (402), the upper end of the first workpiece adjusting plate (402) is slidably connected with the second workpiece adjusting plate (403), the upper end of the second workpiece adjusting plate (403) is slidably connected with the lower fixing piece (404), and the upper end of the lower fixing piece (404) is boltedly connected with the upper fixing piece (405).

6. A fatigue testing machine for stabilizer bars according to claim 5, characterized in that: The second workpiece adjusting plate (403) forms a sliding structure with the front cover (401) through the first workpiece adjusting plate (402), and the lower fixing member (404) forms a sliding structure with the first workpiece adjusting plate (402) through the second workpiece adjusting plate (403).

7. The steady bar fatigue testing machine of claim 5 wherein: The lower fixing member (404) and the upper fixing member (405) are semicircular in the inner side, and the lower fixing member (404) and the upper fixing member (405) are provided with an antiskid layer in the inner side.

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