CN209707286U - It is a kind of for detecting the testing stand of bellows swing performance - Google Patents

Abstract

The utility model discloses a kind of for detecting the testing stand of bellows swing performance, it is related to a kind of detection device, it includes bracket and swing arm, one end of swing arm is rotationally connected on bracket in the horizontal direction, the other end is provided with the fixture block with lantern ring cooperation clamping, fixture block and collar thread cooperate, and the driving assembly for driving swing arm to swing in predetermined angle is provided on bracket, and the locking member for keeping tube body fixed relative to bracket is provided on bracket.The utility model can detect the swing performance of bellows.

Description

A test bench for detecting the swing performance of bellows

technical field

The utility model relates to a detection device, in particular to a test bench for detecting the swing performance of a bellows.

Background technique

As shown in FIG. 1 , it is a structural diagram of a corrugated pipe, which includes a pipe body 141 , two ends of the pipe body 141 are respectively sleeved with collars 142 , and the inner wall of the collar 142 is provided with internal threads. When the bellows 14 is used, the bellows 14 is generally installed on corresponding equipment by using the collar 142 .

However, since the corrugated pipe 14 is generally a metal hose, that is, the corrugated pipe 14 will shake along with the equipment, which may cause the pipe body 141 to break or the collar 142 to break away from the corresponding equipment, thus requiring a detection device for detecting The swing performance of the bellows 14 is tested.

Utility model content

The purpose of the utility model is to provide a test bench for detecting the swing performance of the bellows, which can detect the swing performance of the bellows.

The purpose of this utility model is achieved through the following technical solutions:

A test bench for testing the swing performance of bellows, including a bracket and a swing arm, one end of the swing arm is connected to the bracket in a horizontal direction, and the other end is provided with a clamping block that cooperates with the collar, and the clamping block and the sleeve The ring is threaded, and the bracket is provided with a drive assembly for driving the swing arm to swing within a preset angle, and the bracket is provided with a locking piece for fixing the pipe body relative to the bracket.

Using the above technical solution, when the swing performance of the bellows needs to be tested, one end of the bellows is installed on the bracket through the locking piece, and then the collar at the other end is set on the block, and the block is rotated Then, start the driving assembly to make the swing arm rotate within the preset angle. After the swing arm rotates the preset number of times, remove the bellows and check whether the bellows are damaged, so as to give The oscillation performance of the bellows is evaluated.

The utility model is further configured as follows: the locking member includes a first semi-circular ring and a second semi-circular ring, the first semi-circular ring is located on the block and fixed on the bracket, and one end of the second semi-circular ring is rotatably connected to the first semi-circular ring On one end of the ring, and when the other end of the first half ring abuts against the other end of the second half ring, a gap for clamping the pipe body is formed between the first half ring and the second half ring. clamping cavity.

Using the above-mentioned technical scheme, the corresponding pipe body is placed between the first semi-circular ring and the second semi-circular ring, and then the second semi-circular ring is rotated so that both ends of the first semi-circular ring and the second semi-circular ring are evenly spaced. Corresponding abutment, so as to realize the clamping of the pipe body, that is, the installation of the bellows.

The utility model is further configured as follows: the inner walls of the first semi-circular ring and the second semi-circular ring are respectively fixed with elastic layers that interfere with the collar.

With the above technical solution, by setting the elastic layer, when the tube body is clamped in the clamping cavity, the elastic layer and the tube body have an interference fit, while ensuring that the tube body and the bracket are relatively fixed, and reducing damage to the tube body , thereby reducing the impact on the evaluation of the bellows swing performance.

The utility model is further set as: the axis of the clamping cavity is set along the vertical direction.

With the above technical solution, the axis of the clamping cavity is set along the vertical direction, so that when the tube body is installed in the clamping cavity, the tube body is in a vertical state under the action of its own weight.

The utility model is further configured as follows: when the axis of the clamping block is parallel to the vertical direction, the axis of the clamping block coincides with the axis of the clamping cavity.

Using the above technical solution, the pipe body is installed in the clamping cavity. When the axis of the clamping block is parallel to the vertical direction, the axis of the clamping block coincides with the axis of the clamping cavity, so that the tube body is vertically arranged and swings on the swing arm. , the pipe body also swings accordingly to keep the force uniform.

The utility model is further set as follows: the driving assembly includes a motor, a turntable, a connecting rod and a transmission block, the transmission block and the swing arm are fixedly arranged, the output shaft of the motor is arranged horizontally, the turntable is fixedly sleeved on the output shaft of the motor, the connecting rod and the turntable It is arranged in parallel, and the two ends of the connecting rod are respectively connected to the turntable and the transmission block in rotation.

Using the above technical solution, by starting the motor, the turntable is driven to rotate, thereby driving the positions of both ends of the connecting rod to change, so that the transmission block rotates, thereby driving the swing arm to swing synchronously, and the turntable rotates once, and the swing arm swings back and forth once. Driven by the motor, the continuous swing of the swing arm is realized.

The utility model is further configured as follows: when the axis of the clamping block is parallel to the vertical direction, the rotation axis of the end of the connecting rod close to the turntable is located on the same vertical plane as the axis of the turntable.

With the above-mentioned technical solution, when the turntable rotates one revolution, the maximum swing amplitudes of the swing arms in the left and right positions relative to the vertical direction are the same, thereby simulating the free swing of the bellows.

The utility model is further configured as follows: it also includes a mounting seat and a screw, the block is fixed on the mounting seat, the swing arm is provided with a number of through openings along its extending direction, and one end of the screw passes through the opening and is threadedly connected with the mounting seat.

By adopting the above technical solution, by providing the mounting seat and the screw, the corresponding through opening can be selected according to the specific length of the bellows, and the mounting seat and the swing arm are relatively fixed by using the screw.

In summary, the beneficial technical effects of the utility model are:

(1) Install the bellows on the bracket, start the drive assembly, and make the swing arm rotate within the preset angle. After the swing arm rotates the preset number of times, remove the bellows and check whether the bellows are damaged, so as to correct the bellows. The swing performance is evaluated;

(2) By setting the elastic layer, when the tube body is clamped in the clamping cavity, the elastic layer and the tube body have an interference fit, while ensuring that the tube body and the bracket are relatively fixed, and reducing damage to the tube body;

(3) By arranging the elastic layer, the elastic layer and the pipe body are in interference fit, while ensuring that the pipe body and the bracket are relatively fixed, and reducing damage to the pipe body.

Description of drawings

Fig. 1 is the structural representation of bellows in the background technology;

Fig. 2 is the overall structural representation of the utility model;

FIG. 3 is a partially enlarged schematic diagram of part A in FIG. 2 .

FIG. 4 is a partial sectional view of FIG. 2 .

Reference signs: 1, bracket; 2, locking member; 21, first semi-circular ring; 22, second semi-circular ring; 23, bolt; 3, swing arm; 4, through opening; 5, screw; 6, Mounting seat; 7, block; 8, elastic layer; 9, motor; 10, turntable; 11, connecting rod; 12, transmission block; 13, rotating shaft; 14, bellows; 141, pipe body; 142, collar ; 15, stretching components; 16, weights; 17, cables.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Referring to Fig. 2 and Fig. 3, a test bench for testing the swing performance of bellows includes a bracket 1, a locking member 2, a swing arm 3 and a driving assembly.

Referring to FIG. 2 and FIG. 3 , the locking member 2 is used to fix the pipe body 141 relative to the bracket 1 , and the locking member 2 includes a first semi-circular ring 21 , a second semi-circular ring 22 and a bolt 23 . The first half ring 21 is fixed on the edge of the support 1, and one end of the second half ring 22 is rotatably connected to an end of the first half ring 21, and the axes of the first half ring 21 and the second half ring 22 are vertical Set straight and between the opposite inner walls of the first semicircle 21 and the second semicircle 22, that is, when the two ends of the first semicircle 21 and the second semicircle 22 abut against each other, the first semicircle The ring 21 and the second semicircular ring 22 are spliced to form a circular ring, and the interior of the circular ring is a clamping cavity, which is used to clamp the tube body 141 .

Referring to Fig. 2 and Fig. 3, the first semi-annular ring 21 and the second semi-annular ring 22 are respectively fixed with connecting rings at one end away from the corresponding rotation axis, and the screw tail ends of the bolts 23 pass through the two connecting rings and are threadedly connected with nuts, In order to realize the relative fixation between the first semi-circular ring 21 and the second semi-circular ring 22 .

Referring to Fig. 2 and Fig. 3, the inner walls of the first semi-circular ring 21 and the second semi-circular ring 22 are respectively fixed with elastic layers 8, when the pipe body 141 is clamped between the first semi-circular ring 21 and the second semi-circular ring 22 In time, the tube body 141 is in interference fit with the elastic layer 8, wherein the elastic layer 8 is made of rubber material.

Referring to Fig. 2 and Fig. 3, the support 1 is provided with a rotating shaft 13, the rotating shaft 13 is only rotatably connected to the support 1, and the axis of the rotating shaft 13 is arranged horizontally; 21. Below the second semicircular ring 22, the swing arm 3 is perpendicular to the rotation shaft 13, and the swing arm 3 and the rotation shaft 13 are fixed, so that when the rotation shaft 13 rotates, the swing arm 3 rotates synchronously.

Referring to Fig. 2 and Fig. 4, the swing arm 3 is provided with several through-holes 4, the through-holes 4 are evenly distributed along the length direction of the swing arm 3, and the axis of the through-holes 4 is arranged parallel to the axis of the rotating shaft 13; There are mounting base 6 and screw 5. The mounting base 6 is provided with a thread groove matching with the through opening 4. The threaded opening of the mounting base 6 is facing a through opening 4, and the screw tail end of the screw 5 is passed through the through opening 4 and connected with the through opening 4. The thread groove is threaded to realize the position adjustment of the mounting seat 6 .

Referring to Fig. 2 and Fig. 4, a block 7 is fixed on the top of the mounting base 6, the axis of the block 7 is parallel to the extension direction of the swing arm 3, and when the swing arm 3 is vertical, the axis of the block 7 is aligned with the clamping cavity The axes coincide with each other; the collar 142 is engaged with the block 7, and the outer wall of the block 7 is provided with an external thread that cooperates with the collar 142, so that when the bellows 14 is installed, the corresponding set of rings 142 sets Set on the clamping block 7, then turn the collar 142, so that the collar 142 is screwed on the clamping block 7, so as to realize the installation of one end of the bellows 14.

Referring to Fig. 2 and Fig. 3, the driving assembly is used to drive the swing arm 3 to rotate, and the driving assembly includes a motor 9, a rotating disk 10, a connecting rod 11 and a transmission block 12, the transmission block 12 is fixedly arranged with the swing arm 3, and the output shaft of the motor 9 is connected to the The rotating shaft 13 is arranged in parallel; the turntable 10 is fixedly sleeved on the output shaft of the motor 9, and the axis of the output shaft of the motor 9 coincides with the axis of the turntable 10; the connecting rod 11 is arranged in parallel with the turntable 10, and one end of the connecting rod 11 can pass through Rotationally connected to the turntable 10 and away from the center of the turntable 10, the other end row can be rotatably connected to the transmission block 12 through another fulcrum.

Referring to FIG. 2 and FIG. 3 , when the axis of the block 7 is parallel to the vertical direction, the axis of the connecting rod 11 near the end of the turntable 10 is located on the same vertical plane as the axis of the turntable 10 . Thereby, by starting the motor 9, the positions of the two ends of the connecting rod 11 are driven to change, thereby driving the transmission block 12 to rotate, so that the swing arm 3 swings.

Referring to Fig. 2, a stretching assembly 15 is also arranged on the support 1, and the stretching assembly 15 is used to keep the bellows 14 in a stretched state, wherein the stretching assembly 15 includes a vertical bar, a cross bar, and a reel, and the vertical bar is fixed on the support 1 and set along the vertical direction, the horizontal bar is parallel to the vertical bar and passes through the vertical bar, a reel is fixed on the horizontal bar, and a cable 17 is hung on the reel, and the two ends of the cable 17 are respectively used to connect the corrugated Tube 14 and weight 16.

The implementation principle of this embodiment is: when the swing performance of the bellows 14 needs to be tested, the bellows 14 is snapped into the clamping cavity, and then the collar 142 at one end of the bellows 14 is sleeved on the clamping block 7 , the other end is connected to the wire 17, and then the weight 16 is hooked to the other end of the wire 17, so that the distance between the connecting end of the bellows 14 and the wire 17 and the clamping block 7 is less than 50mm, and then the clamping block 7 is turned Collar 142 to fix it with the block 7, and then start the motor 9, so that the swing arm 3 rotates within a preset angle. After the swing arm 3 rotates a preset number of times, remove the bellows 14 and check whether the bellows 14 is damage, so as to evaluate the swing performance of the bellows 14.

The embodiments of this specific embodiment are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model accordingly: all equivalent changes made according to the structure, shape and principle of the present utility model are all valid. Should be covered within the protection scope of the present utility model.

Claims (8)

1. a kind of for detecting the testing stand of bellows swing performance, which is characterized in that including bracket (1) and swing arm (3), pendulum One end of swing arm (3) is rotationally connected in the horizontal direction on bracket (1), and the other end is provided with and lantern ring (142) cooperation clamping Fixture block (7), fixture block (7) are threadedly engaged with lantern ring (142), are provided on bracket (1) for driving swing arm (3) in predetermined angle The driving assembly of interior swing is provided with the locking member (2) for keeping tube body (141) fixed relative to bracket (1) on bracket (1).

2. according to claim 1 a kind of for detecting the testing stand of bellows swing performance, which is characterized in that locking member It (2) include the first semicircular ring (21) and the second semicircular ring (22), the first semicircular ring (21) is located above fixture block (7) and is fixed on branch One end of frame (1), the second semicircular ring (22) is rotationally connected on one end of the first semicircular ring (21), and when the first semicircular ring (21) The other end and the other end of the second semicircular ring (22) when abutting against, shape between the first semicircular ring (21) and the second semicircular ring (22) At one for clamping the holding chamber of tube body (141).

3. according to claim 2 a kind of for detecting the testing stand of bellows swing performance, which is characterized in that the first half Annulus (21) and the inner wall of the second semicircular ring (22) are respectively fixed with the elastic layer (8) with lantern ring (142) interference fit.

4. according to claim 2 a kind of for detecting the testing stand of bellows swing performance, which is characterized in that holding chamber Axis be arranged along the vertical direction.

5. according to claim 4 a kind of for detecting the testing stand of bellows swing performance, which is characterized in that work as fixture block (7) when axis is parallel with vertical direction, the axis of fixture block (7) is overlapped setting with the axis of holding chamber.

6. according to claim 1 a kind of for detecting the testing stand of bellows swing performance, which is characterized in that driving group Part includes motor (9), turntable (10), connecting rod (11) and drive block (12), and drive block (12) and swing arm (3) are fixedly installed, The output shaft of motor (9) is horizontally disposed, and turntable (10) fixing sleeve is set on the output shaft of motor (9), connecting rod (11) and turntable (10) it is arranged in parallel, connecting rod (11) both ends are rotatablely connected with turntable (10), drive block (12) respectively.

7. according to claim 6 a kind of for detecting the testing stand of bellows swing performance, which is characterized in that work as fixture block (7) when axis is parallel with vertical direction, connecting rod (11) is close to the pivot center of turntable (10) one end and the axis of turntable (10) Positioned at same vertical plane.

8. according to claim 1 a kind of for detecting the testing stand of bellows swing performance, which is characterized in that further include Mounting base (6) and screw (5), fixture block (7) are fixed on mounting base (6), and swing arm (3) extends along direction and offers several pass through It wears mouth (4), one end of screw (5) passes through impenetrating mouth (4) and is threadedly coupled with mounting base (6).