CN212988763U

CN212988763U - Vertical fatigue test fixture for middle tube of frame

Info

Publication number: CN212988763U
Application number: CN202021518272.8U
Authority: CN
Inventors: 方咸新; 蒋惠明; 刘津榕
Original assignee: Geant China Co ltd
Current assignee: Geant China Co ltd; Giant China Co Ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-04-16
Anticipated expiration: 2030-07-28

Abstract

The utility model relates to a perpendicular fatigue test tool of pipe in frame, including anchor clamps, dead lever and fixing base, be equipped with first fixed block and second fixed block on the fixing base, first fixed block is used for the front fork group of fixed frame, the second fixed block is used for the back vent group of fixed frame, well pipe of frame is joined in marriage the seatpad pole through real and is connected in anchor clamps, and the head both sides of joining in marriage the seatpad pole in fact are passed through the dead lever and are pressed from both sides tightly, the both ends of dead lever are fixed in on the anchor clamps, fixed connection cylinder on the anchor clamps. The utility model discloses rationally design the structure of anchor clamps, increased two dead levers and fixed real seat filler rod of joining in marriage, utilized the ball socket to connect cylinder and anchor clamps to with the solid simulation seat filler rod of joining in marriage the seat filler rod and replacing the previous adoption in fact, make test effect 100% simulation actual situation of riding and the atress condition.

Description

Vertical fatigue test fixture for middle tube of frame

Technical Field

The utility model relates to a test fixture, concretely relates to perpendicular fatigue test fixture of pipe in frame.

Background

After the frame is assembled, a middle pipe on the frame is subjected to a vertical fatigue test, in the current test process, a waste cushion is used for connecting an iron cushion rod and a cylinder, the iron cushion rod is solid, the rigidity of the iron cushion rod is much stronger than that of an actually-matched cushion rod, so that when the test is performed, the stress dispersion of a die is small, the test stress of the middle pipe part of the frame is large, the part is cracked or broken, the test fails, the development period of a new product is influenced, and the progress of the project is delayed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a perpendicular fatigue test tool in frame, fixed real seat cushion rod head of joining in marriage of anchor clamps utilizes the ball socket to connect cylinder and anchor clamps in this tool to join in marriage the solid simulation seat cushion rod that the seat cushion rod adopted before replacing with reality, make test effect 100% simulation actual situation of riding and the atress condition.

The utility model discloses a solve the technical scheme that its technical problem adopted and be:

the utility model provides a perpendicular fatigue test tool in frame, includes anchor clamps, dead lever and fixing base, be equipped with first fixed block and second fixed block on the fixing base, first fixed block is used for the front fork group of fixed frame, the second fixed block is used for the back vent group of fixed frame, well pipe of frame is connected in anchor clamps through joining in marriage the seatpad pole in fact, and joins in marriage the head both sides of seatpad pole in fact and pass through the dead lever clamp tightly, the both ends of dead lever are fixed in on the anchor clamps, fixed connection cylinder on the anchor clamps.

Preferably, the clamp is of a square structure, a square mounting hole is formed in the middle of the clamp, the head of the actually-matched seat cushion rod is inserted into the mounting hole, and the tail of the actually-matched seat cushion rod is assembled in a middle pipe of the frame.

Preferably, one end of the clamp extends downwards to form a convex block, two threaded holes are formed in the convex block, a U-shaped block is arranged at the other end of the clamp, a U-shaped groove is formed in the U-shaped block, two threaded holes are formed in the U-shaped block, and two ends of the two fixing rods are assembled in the threaded holes of the convex block and the U-shaped block respectively.

Preferably, the piston rod of the air cylinder is connected with a ball socket, and the ball socket is inserted into a U-shaped groove of the U-shaped block and is fixed on the U-shaped block through a connecting screw.

Preferably, the fixing rod is of a cylindrical structure, two fixing grooves are formed in the back faces of the protruding block and the U-shaped block, and the fixing rod is fixed through locking screws locked into the fixing grooves.

Preferably, the first fixing block and the second fixing block are movably connected to the fixing seat.

Preferably, the fixing base is fixedly provided with two parallel connecting blocks, two parallel adjusting rods are fixedly arranged between the two parallel connecting blocks, the adjusting rods penetrate through the first fixing block, and the first fixing block can move on the adjusting rods.

Preferably, the first fixed block is in a shape of a Chinese character 'tu', the front fork set is directly clamped on the protruding part of the first fixed block, and the rear fork set is fixed on the second fixed block through a fixing shaft.

The utility model has the advantages that: the utility model discloses an anchor clamps, dead lever and fixing base are equipped with first fixed block and second fixed block on the fixing base, first fixed block is used for the front fork group of fixed frame, the second fixed block is used for the back fork group of fixed frame, anchor clamps are used for the fixed head of joining in marriage the seatpad pole in fact, join in marriage the well pipe that the seatpad pole assembled in the frame in fact, fixed connection cylinder is used for giving well pipe pressure on the anchor clamps, the utility model discloses rationally designing out the structure of anchor clamps, increased two dead levers and fixed joining in marriage the seatpad pole in fact, utilize the ball socket to connect cylinder and anchor clamps to with join in marriage the solid simulation seatpad pole that the seatpad pole adopted before replacing in fact, make test effect 100% simulation situation of actually riding and the atress condition, the utility model discloses simple structure, convenient operation and test result validity are high.

Drawings

FIG. 1 is a diagram illustrating the usage of the present invention;

FIG. 2 is an exploded view of the clamp of the present invention;

in the figure: 10-clamp, 11-mounting hole, 12-lug, 13-threaded hole, 14-locking screw, 15-U-shaped block, 16-U-shaped groove, 17-fixing groove, 18-connecting screw, 20-fixing rod, 30-matching seat cushion rod, 40-fixing seat, 41-first fixing block, 42-connecting block, 43-adjusting rod, 44-second fixing block, 50-frame, 51-front fork group, 52-rear fork group, 53-middle tube, 60-cylinder and 61-ball socket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Example (b): as shown in fig. 1-2, a vehicle frame middle tube vertical fatigue test fixture comprises a fixture 10, a fixing rod 20 and a fixing seat 40, wherein a first fixing block 41 and a second fixing block 44 are arranged on the fixing seat 40, the first fixing block 41 is used for fixing a front fork group 51 of a vehicle frame 50, the second fixing block 44 is used for fixing a rear fork group 52 of the vehicle frame 50, a middle tube 53 of the vehicle frame 50 is connected to the fixture 10 through a real seat cushion rod 30, two sides of the head of the real seat cushion rod 30 are clamped through the fixing rod 20, two ends of the fixing rod 20 are fixed on the fixture 10, and a cylinder 60 is fixedly connected to the fixture 10. The utility model is used for fixed frame during perpendicular fatigue test of well pipe, the fixing base is fixed with the front fork group 51 and the back fork group 52 of frame respectively through first fixed block 41 and second fixed block 44, anchor clamps 10 are connected in joining in marriage seatpad pole 30 and cylinder in fact, join in marriage the hollow seatpad pole of seatpad pole 30 when actually using in fact, join in marriage seatpad pole 30 in fact and assemble well pipe 53 in the support, and its head is fixed in anchor clamps 10 through dead lever 20, cylinder 60 is connected to anchor clamps, give well pipe pressure through the cylinder, thereby the actual use situation of well pipe in the simulation, promote the accuracy and the validity of test.

As shown in fig. 2, the clamp 10 has a square structure, a square mounting hole 11 is formed in the middle of the clamp, the head of the actual-fit seat cushion rod 30 is inserted into the mounting hole 11, and the tail of the actual-fit seat cushion rod 30 is assembled to a middle tube 53 of the frame 50. One end of the clamp 10 extends downwards to form a convex block 12, two threaded holes 13 are formed in the convex block, a U-shaped block 15 is arranged at the other end of the clamp 10, a U-shaped groove 16 is formed in the U-shaped block 15, two threaded holes are formed in the U-shaped block, and two ends of two fixing rods are assembled in the threaded holes 13 of the convex block 12 and the U-shaped block 15 respectively.

The piston rod of the air cylinder 60 is connected with a ball socket 61, and the ball socket 61 is inserted into the U-shaped groove 16 of the U-shaped block and fixed on the U-shaped block through a connecting screw 18. The fixing rod 20 is of a cylindrical structure, two fixing grooves 17 are formed in the back surfaces of the protruding block 12 and the U-shaped block 15, and the fixing rod 20 is fixed through locking screws 14 locked in the fixing grooves. The designer rationally designs the structure of anchor clamps through the atress analysis to the bicycle state of actually riding and the process of riding to increased two dead levers 20 and fixed real seatpad pole 30 of joining in marriage, utilized ball socket 61 to connect cylinder and anchor clamps, and with the solid simulation seatpad pole of joining in marriage seatpad pole and replacing the previous adoption, make test effect 100% simulation actual situation and the atress condition of riding.

The first fixing block 41 and the second fixing block 44 are movably connected to the fixing seat 40, so that the distance between the first fixing block 41 and the second fixing block 44 can be adjusted to meet the test requirements of the frames with different sizes, and the application range of the jig is expanded.

The method specifically comprises the following steps: two parallel connecting blocks 42 are fixedly arranged on the fixed seat 40, two parallel adjusting rods 43 are fixedly arranged between the two parallel connecting blocks 42, the adjusting rods 43 penetrate through the first fixed block 41, and the first fixed block 41 can move on the adjusting rods 43. According to the specification of the frame, the first fixing block is moved to the corresponding position on the adjusting rod, the second fixing block can be connected to the fixing seat 40 in the same way as the first fixing block, and the first fixing block and the second fixing block can be slidably connected with the fixing seat 40 in a way that a sliding block and a sliding rail are matched.

The first fixing block 41 is in a shape of a Chinese character 'tu', the front fork set 51 is directly clamped on a protruding part of the first fixing block, and the rear fork set 52 is fixed on the second fixing block 44 through a fixing shaft. The rear fork set 52 can be fixed to the second fixing block 44 at different height positions according to actual conditions.

The utility model discloses an operation process: during testing, the front fork group 51 of the frame 50 is fixed on the first fixing block 41 of the fixing seat, the rear fork group 52 is fixed on the second fixing block 44 of the fixing seat, then the head of the actually-matched seat cushion rod 30 is fixed on the clamp 10 through the two fixing rods 20, the fixing rods 20 are locked through the locking screws 14, and finally the air cylinder is connected on the clamp 10 through the connecting screws 18, so that testing can be performed.

It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a perpendicular fatigue test tool in frame pipe which characterized in that: including anchor clamps (10), dead lever (20) and fixing base (40), be equipped with first fixed block (41) and second fixed block (44) on fixing base (40), first fixed block (41) are used for front fork group (51) of fixed frame (50), second fixed block (44) are used for back fork group (52) of fixed frame (50), well pipe (53) of frame (50) are joined in anchor clamps (10) through joining in marriage seat backing bar (30) in fact, and the head both sides of joining in marriage seat backing bar (30) in fact press from both sides tightly through dead lever (20), the both ends of dead lever (20) are fixed in on anchor clamps (10), fixed connection cylinder (60) on anchor clamps (10).

2. The vertical fatigue test fixture of frame pipe of claim 1, characterized in that: the clamp (10) is of a square structure, a square mounting hole (11) is formed in the middle of the clamp, the head of the seat cushion rod (30) is inserted into the mounting hole (11), and the tail of the seat cushion rod (30) is assembled in a middle pipe (53) of the frame (50).

3. The vertical fatigue test fixture of frame-in-tube of claim 2, characterized in that: one end of the clamp (10) extends downwards to form a convex block (12), two threaded holes (13) are formed in the convex block, a U-shaped block (15) is arranged at the other end of the clamp (10), a U-shaped groove (16) is formed in the U-shaped block (15), two threaded holes are formed in the U-shaped block, and two ends of two fixing rods are assembled in the threaded holes (13) of the convex block (12) and the U-shaped block (15) respectively.

4. The vertical fatigue test fixture of frame pipe in claim 3, characterized in that: the piston rod of the air cylinder (60) is connected with a ball socket (61), and the ball socket (61) is inserted into the U-shaped groove (16) of the U-shaped block and fixed on the U-shaped block through a connecting screw (18).

5. The vertical fatigue test fixture of frame pipe in claim 3, characterized in that: the fixing rod (20) is of a cylindrical structure, two fixing grooves (17) are formed in the back faces of the protruding block (12) and the U-shaped block (15), and the fixing rod (20) is fixed through locking screws (14) locked into the fixing grooves.

6. The vertical fatigue test fixture of frame pipe of claim 1, characterized in that: the first fixing block (41) and the second fixing block (44) are movably connected to the fixing seat (40).

7. The vertical fatigue test fixture of frame pipe in according to claim 6, characterized in that: the fixing seat (40) is fixedly provided with two parallel connecting blocks (42), two parallel adjusting rods (43) are fixedly arranged between the two parallel connecting blocks (42), the adjusting rods (43) penetrate through the first fixing block (41), and the first fixing block (41) can move on the adjusting rods (43).

8. The vertical fatigue test fixture of frame pipe in according to claim 6, characterized in that: the first fixed block (41) is in a convex shape, the front fork group (51) is directly clamped on the protruding part of the first fixed block, and the rear fork group (52) is fixed on the second fixed block (44) through a fixed shaft.