CN114993840A - Adjustable silencer fatigue test device - Google Patents

Abstract

The invention relates to the technical field of fatigue testing devices, in particular to an adjustable muffler fatigue testing device which comprises a base, wherein a sliding groove is formed in the upper surface of the base, a sliding seat is slidably mounted in the sliding groove, a driving device is arranged on one side of the sliding seat, a mounting seat is fixedly mounted on the upper surface of the sliding seat, a pressure bearing seat is fixedly mounted at the upper end of the mounting seat, a clamping device and a pressing device for fixing a muffler are arranged above the pressure bearing seat, and a compression device is arranged on one side, located on the sliding groove, of the base. According to the invention, the rocking disc is shaken to drive the bidirectional threaded rod to rotate, the two groups of clamping columns are meshed and driven to approach each other, so that two sides of the silencer can be firmly clamped, meanwhile, the screwing disc is held and the threaded columns are screwed, the lower pressure plate can be pushed to move downwards to well press the top of the silencer, the condition of sliding displacement during pressurization of the silencer can be avoided, and the normal operation of a test can be ensured.

Description

Adjustable silencer fatigue test device

Technical Field

The invention relates to the technical field of fatigue testing devices, in particular to an adjustable muffler fatigue testing device.

Background

The fatigue test is a method for measuring sigma-1 of a metal material through a metal material experiment, drawing an S-N curve of the material, observing a fatigue failure phenomenon and fracture characteristics, further learning to measure the fatigue limit of the metal material under a symmetric cycle, and mainly comprises the step of carrying out the fatigue test through a fatigue testing machine, and measuring the fatigue performance test of the metal and the alloy material thereof under the condition of tensile, compression or tensile and compression alternating loads at room temperature.

In the production and processing process of the silencer, fatigue test needs to be carried out, most of silencers are cylindrical, so that the silencer cannot be effectively clamped when a traditional fatigue testing machine is used for detection, and when pressure is applied to the silencer, the silencer slides and shifts under the action of pressure, so that the test is influenced.

Disclosure of Invention

The invention aims to provide an adjustable silencer fatigue testing device to solve the problem that a silencer cannot be effectively clamped by a traditional fatigue testing machine in the background art, so that the silencer slides and moves under pressure.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an adjustable type silencer fatigue test device, includes the base, the sliding tray has been seted up to the base upper surface, the inside slidable mounting of sliding tray has the sliding seat, sliding seat one side is provided with drive arrangement, fixed surface installs the mount pad on the sliding seat, mount pad upper end fixed mounting has the bearing seat, the bearing seat top is provided with clamping device and the push-down device that is used for fixed silencer, the base is located sliding tray one side and is provided with compressor arrangement.

Based on above structure, can avoid appearing the condition that slides and shift when pressurizeing the muffler with the top of the firm centre gripping in the pressure-bearing seat of silencer through clamping device and push down the device to the assurance test can normally be gone on, can promote the sliding seat through drive arrangement and remove along the sliding tray is inside, can drive the silencer and feed to the below of extrusion end, realizes automatic feeding's effect, can pressurize the silencer outside through compressor arrangement, be convenient for accomplish the fatigue test.

Preferably, clamping device is including seting up the end groove in pressure-bearing seat upper surface one side, the inside rotation of end groove installs two-way threaded rod, the spacing slidable mounting of end inslot symmetry has two sets of centre gripping posts, and two sets of centre gripping posts correspond reverse meshing cover and locate two-way threaded rod outside, the outside of pressure-bearing seat is run through to extend to a two-way threaded rod side end, the coaxial fixed mounting of the outer tip of two-way threaded rod has the rocking disc.

Furthermore, through shaking the rocking disc and driving the two-way threaded rod to rotate, the spacing slip of combination end groove to the centre gripping post and the meshing transmission effect of two-way threaded rod to the centre gripping post can drive two sets of centre gripping posts and be close to each other, with the firm centre gripping of silencer both sides.

Preferably, the pushing device is including running through the sliding hole of seting up in two sets of centre gripping post tip, and is two sets of sliding hole is inside all to run through to slide to insert and be equipped with the slide bar, and is two sets of fixed mounting has the mount table between the tip in the slide bar, surface engagement installs the screw thread post on the mount table, and the tip runs through to extend to the mount table below under the screw thread post, the tip rotates under the screw thread post and installs the pressure disk down, screw thread post upper end fixed mounting has the wrong dish.

Furthermore, the screwing plate is held and the threaded column is screwed tightly, so that the lower pressing plate can be pushed to move downwards to well press the top of the silencer.

Preferably, the driving device comprises a driving groove formed in the surface of one side of the sliding seat, a driving motor is fixedly mounted on the top wall in the driving groove, a gear is fixedly mounted at the end part of the output end of the driving motor in a coaxial mode, a rack is fixedly mounted on the inner wall of one side of the sliding groove, and the gear is correspondingly meshed with the rack.

Furthermore, the driving motor works to drive the gear to rotate, the meshing transmission effect of the gear and the rack is combined, the sliding seat can be reversely pushed to slide along the inside of the sliding groove, and therefore the silencer can be driven to feed to the lower part of the extrusion end, and the automatic feeding effect is achieved.

Preferably, the inner wall of the sliding groove opposite to the rack is provided with a limiting groove, the surface of the other side of the sliding seat is provided with a side mounting groove, the inside of the side mounting groove is equidistantly rotatably provided with a guide wheel, and the guide wheel is clamped in the limiting groove along the surface.

Furthermore, when the sliding seat slides along the inside of the sliding groove, the guide wheel is in contact with the inner wall of the limiting groove and rotates, so that the sliding seat can be guaranteed to move more smoothly.

Preferably, the compressing device comprises a U-shaped frame fixedly installed on the upper surface of the base and located on one side of the sliding groove, a hydraulic cylinder is fixedly installed at the top of the U-shaped frame, the end part of the telescopic end of the hydraulic cylinder slides and extends to the position below the top of the U-shaped frame, and an extrusion end head is installed at the end part of the telescopic end of the hydraulic cylinder.

Furthermore, through the work of the hydraulic cylinder, the end part of the telescopic end of the hydraulic cylinder pushes the extrusion end head to move downwards, the outside of the silencer is pressurized, and the fatigue test is convenient to complete.

Preferably, the side grooves are formed in the inner walls of two sides of the U-shaped frame, two sets of limiting rods are symmetrically and fixedly mounted on the two sides of the outer surface of the extrusion end, and the end portions of the two sets of limiting rods correspond to limiting sliding devices and are mounted inside the side grooves.

Furthermore, when the end part of the telescopic end of the hydraulic cylinder drives the extrusion end head to move up and down, the limiting rod can be driven to move simultaneously, and the side groove and the limiting rod are in sliding fit, so that a good limiting effect can be achieved, and the extrusion end head can move up and down more stably.

Preferably, the universal wheel is all installed near four apex angle departments on base bottom surface, and the universal wheel has the braking effect.

Furthermore, the device can be conveniently moved to a proper position integrally through the universal wheel, and meanwhile, the universal wheel has a braking effect, so that the device can be conveniently and stably placed.

In conclusion, the beneficial effects of the invention are as follows:

1. the device can drive the two groups of clamping columns to approach each other by shaking the rocking disc and driving the bidirectional threaded rod to rotate, so that two sides of the silencer can be firmly clamped, meanwhile, the lower pressure plate can be pushed to move downwards to well press the top of the silencer by holding the screwing disc and screwing the threaded columns tightly, the situation of sliding displacement during pressurization of the silencer can be avoided, and the normal operation of a test can be ensured;

2. the device drives the gear to rotate through the work of the driving motor, and can reversely push the sliding seat to slide along the inside of the sliding groove by combining the meshing transmission effect of the gear and the rack, so that the silencer can be driven to feed below the extrusion end, and the effect of automatic feeding is realized;

3. the device can clamp silencers with different diameters by adjusting the distance between two groups of clamping columns and the pressing height of the lower pressing disc, thereby improving the practicability of the device to a certain extent;

4. when the sliding seat slides along the inner part of the sliding groove in the device, the guide wheel is contacted with the inner wall of the limiting groove and rotates, so that the sliding seat can be ensured to move more smoothly.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a schematic view of a partial structure inside the sliding groove according to the present invention;

FIG. 3 is a schematic view of a partial structure of a surface of a sliding seat according to one embodiment of the present invention;

FIG. 4 is a second partial schematic view of the surface of the sliding seat according to the present invention;

FIG. 5 is a partial structure diagram of the pressure-bearing seat surface according to the present invention;

FIG. 6 is a schematic view of the compressing device of the present invention.

In the figure: 1. a base; 101. a universal wheel; 2. a sliding groove; 201. a sliding seat; 202. a mounting seat; 203. a limiting groove; 204. a side mounting groove; 205. a guide wheel; 3. a pressure bearing seat; 4. a drive slot; 401. a drive motor; 402. a gear; 403. a rack; 5. an end slot; 501. a bidirectional threaded rod; 502. a clamping post; 503. shaking the plate; 6. a slide hole; 601. a slide bar; 602. an installation table; 603. a threaded post; 604. a lower platen; 605. screwing a plate; 7. a U-shaped frame; 701. a hydraulic cylinder; 702. extruding the end head; 703. a side groove; 704. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-6, an adjustable muffler fatigue testing device includes a base 1, a sliding groove 2 is provided on an upper surface of the base 1, a sliding seat 201 is slidably mounted inside the sliding groove 2, a driving device is provided on one side of the sliding seat 201, a mounting seat 202 is fixedly mounted on an upper surface of the sliding seat 201, a pressure-bearing seat 3 is fixedly mounted on an upper end of the mounting seat 202, a clamping device and a pressing device for fixing a muffler are provided above the pressure-bearing seat 3, and a compressing device is provided on one side of the sliding groove 2 of the base 1.

Based on above structure, can be with the firm centre gripping of silencer in the top of pressure-bearing seat 3 through clamping device and push down the device, avoid appearing the condition that slides the aversion when pressurizeing the silencer, thereby guarantee test can normally go on, can promote sliding seat 201 through drive arrangement and remove along 2 insides of sliding tray, can drive the silencer and feed to the below of extrusion end 702, realize automatic feeding's effect, can pressurize the silencer outside through compression device, be convenient for accomplish the fatigue test.

Example two

Combine shown in fig. 1 and fig. 5, based on above-mentioned embodiment 1, clamping device is including seting up in end groove 5 of 3 upper surface one sides of pressure-bearing seat, two-way threaded rod 501 is installed to 5 internal rotations in end groove, 5 internal symmetry of end groove spacing slidable mounting have two sets of centre gripping posts 502, and two sets of centre gripping posts 502 correspond the reverse meshing cover and locate two-way threaded rod 501 outside, two-way threaded rod 501 one side tip runs through and extends to 3 outsides of pressure-bearing seat, the coaxial fixed mounting in outer tip of two-way threaded rod 501 has rocking disc 503, through rocking disc 503 and drive two-way threaded rod 501 rotation, combine end groove 5 to the spacing slip of centre gripping post 502 and the meshing transmission effect of two-way threaded rod 501 to centre gripping post 502, can drive two sets of centre gripping posts 502 to be close to each other, with the firm centre gripping of silencer both sides.

EXAMPLE III

With reference to fig. 1 and 5, based on the foregoing embodiment 1 or 2, the downward pressing device includes the sliding holes 6 penetrating and opened at the ends of the two sets of clamping posts 502, the sliding rods 601 are inserted into the two sets of sliding holes 6 in a penetrating and sliding manner, the mounting table 602 is fixedly mounted between the inner ends of the two sets of sliding rods 601, the threaded post 603 is mounted on the mounting table 602 in a surface-engaging manner, the lower end of the threaded post 603 extends to the lower side of the mounting table 602 in a penetrating manner, the lower end of the threaded post 603 is rotatably mounted with the lower pressing plate 604, the upper end of the threaded post 603 is fixedly mounted with the screwing plate 605, and by holding the screwing plate 605 and screwing the threaded post 603, the lower pressing plate 604 can be pushed to move downward to press the top of the muffler well.

Example four

With reference to fig. 1, fig. 2 and fig. 3, based on the foregoing embodiment 1, 2 or 3, the driving device includes the driving groove 4 disposed on the surface of one side of the sliding seat 201, the top wall of the driving groove 4 is fixedly installed with the driving motor 401, the end of the output end of the driving motor 401 is coaxially and fixedly installed with the gear 402, the inner wall of one side of the sliding groove 2 is fixedly installed with the rack 403, and the gear 402 is correspondingly engaged with the rack 403, the driving motor 401 drives the gear 402 to rotate, and with reference to the engagement transmission effect of the gear 402 and the rack 403, the sliding seat 201 can be reversely pushed to slide along the inside of the sliding groove 2, so as to drive the muffler to feed to the lower side of the extrusion end 702, thereby achieving the effect of automatic feeding.

EXAMPLE five

With reference to fig. 1, 2 and 4, based on the above embodiments 1, 2, 3 or 4, the inner wall of the sliding groove 2 opposite to the rack 403 is provided with the limiting groove 203, the other side surface of the sliding seat 201 is provided with the side mounting groove 204, the guide wheels 205 are rotatably mounted in the side mounting groove 204 at equal intervals, the outer edge surface of each guide wheel 205 is engaged with the inner wall of the limiting groove 203, and when the sliding seat 201 slides along the inside of the sliding groove 2, the guide wheels 205 contact with the inner wall of the limiting groove 203 and rotate, so that the sliding seat 201 can be moved more smoothly.

EXAMPLE six

With reference to fig. 1 and fig. 6, based on the above embodiments 1, 2, 3, 4, and 5, the compressing device includes the U-shaped frame 7 fixedly mounted on the upper surface of the base 1 and located on one side of the sliding groove 2, the hydraulic cylinder 701 is fixedly mounted on the top of the U-shaped frame 7, the end of the telescopic end of the hydraulic cylinder 701 slidably extends to the position below the top of the U-shaped frame 7, the end of the telescopic end of the hydraulic cylinder 701 is mounted with the extrusion tip 702, and the end of the telescopic end pushes the extrusion tip 702 to move down by the operation of the hydraulic cylinder 701, so as to pressurize the exterior of the muffler, thereby facilitating the completion of the fatigue test.

EXAMPLE seven

With reference to fig. 1 and fig. 6, based on the above embodiments 1, 2, 3, 4, 5 or 6, the side grooves 703 have been all opened to the inner wall of U-shaped frame 7 both sides, two sets of gag lever posts 704 are fixedly installed to extrusion end 702 surface bilateral symmetry, and the tip of two sets of gag lever posts 704 corresponds spacing slidable mounting inside the side grooves 703, when the flexible end tip of pneumatic cylinder 701 drives extrusion end 702 and reciprocates, can drive gag lever post 704 simultaneously and remove, the sliding fit of side grooves 703 and gag lever post 704, can play fine spacing effect, make extrusion end 702 reciprocate more stable.

Example eight

Combine as shown in fig. 1, based on above-mentioned embodiment 1, 2, 3, 4, 5, 6 or 7, universal wheel 101 is all installed near four apex angle departments to base 1 bottom surface, and universal wheel 101 has the braking effect of braking, can be convenient for with device global shift to suitable position through universal wheel 101, and universal wheel 101 has the braking effect of braking simultaneously, can be convenient for the device can be steady place.

The device is also provided with a control circuit, sensing equipment and a test data analysis system, the specific structure and the working principle are the same as those of the existing fatigue testing machine, and the detailed description is omitted.

The working principle of the invention is as follows: the device can be conveniently moved to a proper position integrally through the universal wheel 101, meanwhile, the universal wheel 101 has a braking effect, the device can be conveniently and stably placed, one end of a silencer is inserted into a position between two groups of clamping columns 502 and a lower pressing plate 604, then, the rocking plate 503 is shaken and the bidirectional threaded rod 501 is driven to rotate, the limiting sliding of end grooves 5 to the clamping columns 502 and the meshing transmission effect of the bidirectional threaded rod 501 to the clamping columns 502 are combined, the two groups of clamping columns 502 can be driven to be mutually close to firmly clamp two sides of the silencer, meanwhile, the screwing plate 605 is held and the threaded rod 603 is screwed down, the lower pressing plate 604 can be pushed to move downwards to well press the top of the silencer, the condition of sliding displacement during the pressurization of the silencer is avoided, the test can be ensured to be normally carried out, meanwhile, the driving motor 401 works to drive the gear 402 to rotate, and the meshing transmission effect of the gear 402 and the rack 403 is combined, the sliding seat 201 can be pushed reversely to slide along the inside of the sliding groove 2, so that the silencer can be driven to be fed to the position below the extrusion end 702, the automatic feeding effect is realized, when the sliding seat 201 slides along the inside of the sliding groove 2, the guide wheel 205 is in contact with the inner wall of the limiting groove 203 and rotates, so that the sliding seat 201 can be guaranteed to move more smoothly, meanwhile, the hydraulic cylinder 701 works, the end part of the telescopic end of the hydraulic cylinder 701 pushes the extrusion end 702 to move downwards to pressurize the outside of the silencer, so that the fatigue test is convenient to finish, when the end part of the telescopic end of the hydraulic cylinder 701 drives the extrusion end 702 to move upwards and downwards, the limiting rod 704 can be driven to move simultaneously, the side groove 703 and the limiting rod 704 are in sliding fit, the good limiting effect can be achieved, the up-and down movement of the extrusion end 702 is more stable, meanwhile, the device can adjust the distance between the two groups of clamping columns 502 and the pressing height of the lower pressing disk 604, the silencer with different diameters can be clamped, so that the practicability of the device is improved to a certain extent.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (8)

1. The utility model provides an adjustable type silencer fatigue test device, includes base (1), its characterized in that: sliding tray (2) have been seted up to base (1) upper surface, sliding tray (2) inside slidable mounting has sliding seat (201), sliding seat (201) one side is provided with drive arrangement, fixed surface installs mount pad (202) on sliding seat (201), mount pad (202) upper end fixed mounting has pressure-bearing seat (3), pressure-bearing seat (3) top is provided with clamping device and the device of pushing down that is used for fixed silencer, base (1) is located sliding tray (2) one side and is provided with compressor arrangement.

2. The adjustable muffler fatigue testing device of claim 1, wherein: clamping device is including offering in end groove (5) of bearing seat (3) upper surface one side, two-way threaded rod (501) are installed to end groove (5) internal rotation, the spacing slidable mounting of end groove (5) internal symmetry has two sets of centre gripping post (502), and two sets of centre gripping post (502) correspond the back mesh cover and locate two-way threaded rod (501) outside, two-way threaded rod (501) a side end runs through and extends to bearing seat (3) outside, the coaxial fixed mounting of outer tip of two-way threaded rod (501) has rocking disc (503).

3. The adjustable muffler fatigue testing device of claim 2, wherein: push down the device including running through sliding hole (6) of seting up in two sets of centre gripping post (502) tip, it is two sets of sliding hole (6) are inside all to run through to slide and to insert and be equipped with slide bar (601), and are two sets of fixed mounting has mount table (602) between the tip in slide bar (601), surface engagement installs screw thread post (603) on mount table (602), and screw thread post (603) lower tip runs through and extends to mount table (602) below, screw thread post (603) lower tip rotates installs down pressure disk (604), screw thread post (603) upper end fixed mounting has wrong dish (605).

4. The adjustable muffler fatigue testing device of claim 1, wherein: drive arrangement is including offering in driving groove (4) of sliding seat (201) one side surface, roof fixed mounting has driving motor (401) in driving groove (4), the coaxial fixed mounting of driving motor (401) output end portion has gear (402), sliding groove (2) one side inner wall fixed mounting has rack (403), and gear (402) correspond the meshing and connect in rack (403).

5. The adjustable muffler fatigue testing device of claim 4, wherein: limiting grooves (203) are formed in the inner walls of the sliding grooves (2) on the opposite sides of the racks (403), side mounting grooves (204) are formed in the other side surfaces of the sliding seats (201), guide wheels (205) are rotatably mounted in the side mounting grooves (204) at equal intervals, and the outer edges of the guide wheels (205) are clamped in the limiting grooves (203).

6. The adjustable muffler fatigue testing device of claim 1, wherein: compression device is located U type frame (7) of sliding tray (2) one side including fixed mounting in base (1) upper surface, the top fixed mounting of U type frame (7) has pneumatic cylinder (701), and the slip of the flexible end tip of pneumatic cylinder (701) extends to the top below department of U type frame (7), extrusion end (702) are installed to the flexible end tip of pneumatic cylinder (701).

7. The adjustable muffler fatigue testing device of claim 6, wherein: side grooves (703) are formed in the inner walls of the two sides of the U-shaped frame (7), two groups of limiting rods (704) are symmetrically and fixedly mounted on the two sides of the outer surface of the extrusion end head (702), and the end portions of the two groups of limiting rods (704) are correspondingly limited and slidably mounted inside the side grooves (703).

8. The adjustable muffler fatigue testing device according to claim 1, wherein: the bottom surface of the base (1) is close to four top corners and is provided with universal wheels (101), and the universal wheels (101) have a braking effect.

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