CN215598915U

CN215598915U - Batch testing device for drop hammer impact of plastic pipes

Info

Publication number: CN215598915U
Application number: CN202121774708.4U
Authority: CN
Inventors: 刘佳玉; 王斌; 肖亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-01-21
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a batch testing device for drop hammer impact of plastic pipes, which comprises a rack, wherein the rack comprises a bottom plate, a vertical plate and a transverse plate, a drop hammer mechanism and an anti-falling mechanism are arranged on the rack, and the drop hammer mechanism is arranged on the transverse plate; the hammer dropping mechanism comprises a hammer head, a top frame and a first pulley, and the top frame is fixedly arranged at the top of the transverse plate; the first pulley is rotatably connected to the inside of the top frame; the hammer head is positioned below the transverse plate, the top of the hammer head is fixedly connected with a rope, and the other end of the rope upwards winds around the first pulley; the anti-falling mechanism is arranged on the outer side of the hammer head, and the batch inspection device for the drop hammer impact of the plastic pipes is provided with the anti-falling mechanism, so that the hammer head can be supported when the inspection device does not work, the sudden falling of the hammer head due to faults is avoided, and the operation safety of the inspection device is improved; the pneumatic rod and the limiting ring are arranged to prevent the pipe from being impacted by the hammer head twice, so that the accuracy of data detection of the detection device is greatly improved.

Description

Batch testing device for drop hammer impact of plastic pipes

Technical Field

The utility model relates to an impact testing device, in particular to a batch testing device for drop hammer impact of plastic pipes.

Background

The drop hammer impact tester is suitable for impact test of hard plastic pipes, pipe fittings, plates, dissimilar materials, hard plastic parts, non-metallic material samples or products such as glass, ceramics and the like, and is a test instrument for evaluating the impact resistance of materials; meanwhile, impact comparison inspection can be carried out on samples of the same material and the same specification so as to identify the quality of the material.

The existing drop hammer impact inspection machine is generally operated manually when performing impact inspection on a plastic pipe, and certain potential safety hazards exist when the operation is performed manually. When the existing drop hammer impact inspection machine is not used, the hammer heads are hung in a half-empty state, so that other people are easily accidentally injured, and the safety performance is not high; and current drop hammer impact testing machine is when carrying out the inspection, and tubular product is probably impacted by the secondary, has certain influence to the data of experiment. In addition, when most of the existing drop hammer impact inspection machines inspect plastic pipes, the inspected pipes are detached from the inspection machines, and then the next pipe to be inspected is mounted, so that the next pipe inspection of the impact inspection machines can be carried out; because the dismounting and mounting process of the pipe consumes longer time, the pipe inspection efficiency of the existing drop hammer impact inspection machine is lower.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a batch testing device for drop hammer impact of plastic pipes.

In order to solve the technical problems, the utility model adopts the technical scheme that: a batch testing device for drop hammer impact of plastic pipes comprises a rack, wherein the rack comprises a bottom plate, vertical plates are fixedly arranged on two sides of the top of the bottom plate, a transverse plate is fixedly connected to the top between opposite sides of the vertical plates on the two sides of the bottom plate, a drop hammer mechanism and an anti-falling mechanism are arranged on the rack, and the drop hammer mechanism is arranged on the transverse plate; the hammer dropping mechanism comprises a hammer head, a top frame and a first pulley, and the top frame is fixedly arranged at the top of the transverse plate; the first pulley is rotatably connected to the inside of the top frame; the hammer head is positioned below the transverse plate, the top of the hammer head is fixedly connected with a rope, and the other end of the rope upwards winds around the first pulley;

the anti-falling mechanism is arranged on the outer side of the hammer head and comprises an outer frame, vertical rods and a baffle plate, wherein the vertical rods are rotatably connected to two sides of the top of the outer frame; the bottom end of the vertical rod penetrates through the transverse plate downwards and is fixedly connected with a baffle plate, and the top of the baffle plate is contacted with the bottom of the hammer head; the V-shaped plate is arranged below the hammer head and arranged on the bottom plate.

Furthermore, the bottom of the transverse plate is fixedly provided with a shell, a pneumatic rod is transversely arranged in the shell, the output end of the pneumatic rod is provided with a fixing ring, and the fixing ring is sleeved on the outer side of the rope.

Furthermore, a fixing frame is fixedly arranged on the rear side wall of the transverse plate, a second pulley is rotatably connected inside the fixing frame, the other end of the rope firstly bypasses the first pulley and then bypasses the second pulley and then is connected with a handle, and the relative position of the handle on the rope is adjustable.

Furthermore, a limiting ring matched with the handle is fixedly arranged on the rear side wall of the shell, and the limiting ring is sleeved on the outer side of the rope; the lifting height of the handle is equal to the falling height of the hammer head.

Furthermore, a double-head motor is fixedly arranged at the top of the outer frame, and the output ends of the double-head motor are fixedly connected with fixed rods; a first bevel gear is fixedly arranged on the fixed rod, and a second bevel gear meshed with the first bevel gear is fixedly arranged at the top of the vertical rod.

Furthermore, a sliding rail is fixedly arranged at the top of the bottom plate, and a sliding block is connected to the sliding rail in a sliding manner; the V-shaped plate is fixedly arranged at the top of the sliding block, and a test piece to be measured is placed on the V-shaped plate; and a pressure sensor is arranged in the V-shaped plate.

Further, the sliding block is fixedly connected with the sliding rail through a screw; threaded holes matched with the screws are formed in the surfaces of the sliding block and the sliding rail.

Furthermore, the slide block is a plurality of, and the V template is a plurality of, and a plurality of slide blocks set up with a plurality of V templates one-to-one.

Further, the rope is a steel wire rope.

The drop hammer impact batch inspection device for the plastic pipes is provided with the anti-falling mechanism, so that the hammer head can be supported when the inspection device does not work, the sudden drop of the hammer head due to faults is avoided, and the operation safety of the inspection device is improved; the pneumatic rod and the limiting ring are arranged to prevent the pipe from being impacted by the hammer head twice, so that the accuracy of data detection of the detection device is greatly improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the housing.

Fig. 3 is a schematic view of the internal structure of the fixed frame.

Fig. 4 is a schematic view of the positional relationship among the transverse plate, the top frame, the housing, the fixing frame, and the rope.

Fig. 5 is a partially enlarged view of a portion a in fig. 1.

In the figure: 1. a base plate; 2. a rope; 3. a vertical plate; 4. a transverse plate; 5. a top frame; 6. a housing; 7. a first pulley; 8. a hammer head; 9. an outer frame; 10. a vertical rod; 11. a baffle plate; 12. a double-headed motor; 13. fixing the rod; 14. a first bevel gear; 15. a second bevel gear; 16. a fixing frame; 17. a second pulley; 18. a handle; 19. a pneumatic rod; 20. a fixing ring; 21. a slide rail; 22. a slider; 23. a V-shaped plate; 24. a screw; 25. a threaded hole; 26. a limit ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in figure 1, the batch testing device for the impact of the drop hammer of the plastic pipe comprises a rack, wherein the rack comprises a bottom plate 1, vertical plates 3 are fixedly arranged on two sides of the top of the bottom plate 1, a transverse plate 4 is fixedly connected to the top between opposite sides of the vertical plates on the two sides of the bottom plate, a drop hammer mechanism and an anti-falling mechanism are arranged on the rack, and the drop hammer mechanism is arranged on the transverse plate 4; the hammer dropping mechanism comprises a hammer head 8, a top frame 5 and a first pulley 7, wherein the top frame 5 is fixedly arranged at the top of the transverse plate 4; the first pulley 7 is rotatably connected to the inside of the top frame 5; the hammer 8 is positioned below the transverse plate 4, the top of the hammer 8 is fixedly connected with the rope 2, and the other end of the rope 2 upwards rounds the first pulley 7; the rope 2 can be a steel wire rope which has the advantages of light weight and high strength.

The anti-falling mechanism is arranged on the outer side of the hammer head 8 and comprises an outer frame 9, vertical rods 10 and a baffle plate 11, and the vertical rods 10 are rotatably connected to two sides of the top of the outer frame 9; as shown in fig. 5, a double-headed motor 12 is fixedly arranged at the top of the outer frame 9, and the output ends of the double-headed motor 12 are fixedly connected with fixing rods 13; a first bevel gear 14 is fixedly arranged on the fixed rod 13, and a second bevel gear 15 meshed with the first bevel gear is fixedly arranged on the top of the vertical rod 10. The bottom end of the vertical rod 10 penetrates through the transverse plate 4 downwards and then is fixedly connected with a baffle plate 11, and the top of the baffle plate 11 is in contact with the bottom of the hammer 8. The double-end motor works to drive the fixing rod to rotate so as to drive the first bevel gear to rotate, the first hammer gear rotates to drive the second bevel gear meshed with the first hammer gear to rotate, and the second bevel gear rotates to drive the baffle to rotate through the vertical rod. The V-shaped plate 23 is arranged below the hammer 8, and the V-shaped plate 23 is arranged on the bottom plate 1. When the inspection device is not used for inspection, the baffle 11 is positioned below the hammer head, the baffle plays a role in supporting the hammer head, and meanwhile, the hammer head can be prevented from suddenly falling due to failure, so that the operation safety of the inspection device is improved.

As shown in fig. 2, the bottom of the horizontal plate 4 is fixedly provided with a housing 6, a pneumatic rod 19 is transversely arranged inside the housing 6, the output end of the pneumatic rod 19 is provided with a fixing ring 20, and the fixing ring 20 is sleeved outside the rope 2. As shown in fig. 3 and 4, a fixing frame 16 is fixedly arranged on the rear side wall of the transverse plate 4, a second pulley 17 is rotatably connected inside the fixing frame 16, the other end of the rope 2 firstly winds around the first pulley and then winds around the second pulley and then is connected with a handle 18, and the relative position of the handle 18 on the rope 2 is adjustable; the fixed spacing ring 26 that is provided with handle matched with of rear side wall of shell 6, the outside of rope 2 is arranged in to the spacing ring 26 cover, thereby the falling height of the height-up restriction tup of spacing ring restriction handle to can avoid tup and the whole first pulley that breaks away from of rope.

The top of the bottom plate 1 is fixedly provided with a slide rail 21, and the slide rail 21 is connected with a slide block 22 in a sliding way; the V-shaped plate 23 is fixedly arranged at the top of the sliding block 22, and a test piece to be measured is placed on the V-shaped plate 23; the inside of V template 23 is provided with pressure sensor, and pressure sensor is connected with current terminal control unit, and when pressure sensor detected the impact force, terminal control unit control pneumatic stem 19 moved, and the quick pulling rope that retracts of pneumatic stem's output drives the tup and removes to the side for tubular product is kept away from to the tup, avoids tubular product to receive the secondary and strikes, improves the accuracy that detects data.

The lifting height of the handle 18 is equal to the falling height of the hammer 8; when the pipes to be detected are different, the falling heights corresponding to the hammer heads 8 are different, and the positions of the handles 18 relative to the rope are adjusted according to the falling heights required by the hammer heads 8. The handle is matched with the limiting ring 26, the fixing ring 20 and the pneumatic rod together to prevent the hammer head from causing secondary impact on the pipe.

The sliding block 22 is fixedly connected with the sliding rail 21 through a screw 24; the surfaces of the sliding block 22 and the sliding rail 21 are both provided with threaded holes 25 matched with the screws 24. The slide blocks 22 are multiple, the V-shaped plates 23 are multiple, the slide blocks and the V-shaped plates are arranged in a one-to-one correspondence mode, batch detection of a plurality of pipes to be detected by the detection device can be achieved through the arrangement of the V-shaped plates, the pipes to be detected are respectively installed on the V-shaped plates before the detection device works, after the detection of one pipe to be detected is completed by the detection device, the V-shaped plate corresponding to the next pipe to be detected only needs to be moved to be located under the hammer head 8, next detection of the detection device can be conducted after the position of the V-shaped plate is fixed, and the detection efficiency of the pipes is greatly improved.

The working method of the device for batch inspection of drop hammer impact of the plastic pipes comprises the following steps: when the inspection device does not work, the baffle 11 is positioned below the hammer 8, the top of the baffle 11 is contacted with the bottom of the hammer 8, and the baffle 11 has a certain supporting effect on the hammer 8 to prevent the hammer 8 from falling; when the inspection device works, the V-shaped plate is moved to be positioned under the hammer head 8, the slide block 22 is fixed on the slide rail 21 through the screw 24 so as to fix the position of the V-shaped plate, and then the pipe to be detected is placed on the V-shaped plate 23; the double-head motor 12 is started through an external switch, the double-head motor 12 drives the fixing rod 13 to rotate, and the fixing rod 13 is meshed with the second bevel gear through the first hammer gear to drive the vertical rod 10 to rotate after rotating, so that the baffle plate 11 is driven to rotate; the baffle 11 rotates to move away from the position below the hammer head; when the baffle 11 rotates to move away, an operator needs to pull the handle 18, and when the baffle 11 completely moves to a position where the hammer 8 is not blocked, the operator can release the handle; after an operator looses his hands, the hammer head 8 falls down due to the gravity of the hammer head to impact the surface of the pipe, and the rope 2 always slides on the first pulley 7 and the second pulley 17; when the handle 18 moves to the position of the limiting ring 26 along with the sliding of the rope, the limiting ring 26 can play a role in stopping and limiting the handle 18, so that the hammer head 8 is prevented from continuously falling; a pressure sensor is arranged in the V-shaped plate 23, when the pressure sensor detects the pressure when the pipe is impacted, the pressure sensor can transmit the pressure to a terminal controller, the terminal controller controls the output end of the pneumatic rod 19 to retract, when the output end of the pneumatic rod 19 retracts rapidly, the fixing ring 20 pulls the rope 2 to the right side, the rope 2 is pulled transversely to drive the position of the hammer head 8 to move rightwards, so that the hammer head 8 cannot be positioned right above the pipe, and the pipe is prevented from being impacted for the second time; then the rope 2 is pulled downwards through the handle 18, and the hammer head 8 rises to the original position; moving the V-shaped plates corresponding to other pipes to be detected to enable the V-shaped plates to be located under the hammer head 8, and fixing the positions of the V-shaped plates to carry out secondary inspection; the steps are repeated, batch operation can be carried out, and the detection efficiency of the pipe is improved.

The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make variations, modifications, additions or substitutions within the technical scope of the present invention.

Claims

1. The utility model provides a plastics tubular product drop hammer strikes verifying attachment in batches, includes the frame, and the frame includes bottom plate (1), and the both sides at bottom plate (1) top are all fixed and are provided with riser (3), are located top fixedly connected with diaphragm (4) between the relative one side of riser of bottom plate both sides, its characterized in that: the frame is provided with a drop hammer mechanism and an anti-falling mechanism, and the drop hammer mechanism is arranged on the transverse plate (4); the hammer dropping mechanism comprises a hammer head (8), a top frame (5) and a first pulley (7), and the top frame (5) is fixedly arranged at the top of the transverse plate (4); the first pulley (7) is rotatably connected to the inside of the top frame (5); the hammer head (8) is positioned below the transverse plate (4), the top of the hammer head (8) is fixedly connected with a rope (2), and the other end of the rope (2) upwards rounds a first pulley (7);

the anti-falling mechanism is arranged on the outer side of the hammer head (8) and comprises an outer frame (9), vertical rods (10) and a baffle (11), and the vertical rods (10) are rotatably connected to two sides of the top of the outer frame (9); the bottom end of the vertical rod (10) penetrates through the transverse plate (4) downwards and then is fixedly connected with a baffle (11), and the top of the baffle (11) is contacted with the bottom of the hammer head (8); the lower part of the hammer head (8) is provided with a V-shaped plate (23), and the V-shaped plate (23) is arranged on the bottom plate (1).

2. The drop hammer impact batch inspection device for plastic pipes according to claim 1, wherein: the bottom of diaphragm (4) is fixed and is provided with shell (6), and the inside of shell (6) transversely is provided with pneumatic rod (19), and the output of pneumatic rod (19) is provided with solid fixed ring (20), and the outside of rope (2) is arranged in to solid fixed ring (20) cover.

3. The drop hammer impact batch inspection device for plastic pipes as claimed in claim 2, wherein: the rear side wall of the transverse plate (4) is fixedly provided with a fixed frame (16), the inside of the fixed frame (16) is rotatably connected with a second pulley (17), the other end of the rope (2) firstly bypasses the first pulley and then bypasses the second pulley and then is connected with a handle (18), and the relative position of the handle (18) on the rope (2) is adjustable.

4. The drop hammer impact batch inspection device for plastic pipes as claimed in claim 3, wherein: a limiting ring (26) matched with the handle is fixedly arranged on the rear side wall of the shell (6), and the limiting ring (26) is sleeved on the outer side of the rope (2); the lifting height of the handle (18) is equal to the falling height of the hammer head (8).

5. The drop hammer impact batch inspection device for plastic pipes according to claim 1, wherein: the top of the outer frame (9) is fixedly provided with a double-end motor (12), and the output ends of the double-end motor (12) are fixedly connected with fixing rods (13); a first bevel gear (14) is fixedly arranged on the fixed rod (13), and a second bevel gear (15) meshed with the first bevel gear is fixedly arranged at the top of the vertical rod (10).

6. The drop hammer impact batch inspection device for plastic pipes according to claim 1, wherein: the top of the bottom plate (1) is fixedly provided with a slide rail (21), and the slide rail (21) is connected with a slide block (22) in a sliding manner; the V-shaped plate (23) is fixedly arranged at the top of the sliding block (22), and a test piece to be measured is placed on the V-shaped plate (23); and a pressure sensor is arranged inside the V-shaped plate (23).

7. The drop hammer impact batch inspection device for plastic pipes as claimed in claim 6, wherein: the sliding block (22) is fixedly connected with the sliding rail (21) through a screw (24); threaded holes (25) matched with the screws (24) are formed in the surfaces of the sliding block (22) and the sliding rail (21).

8. The drop hammer impact batch inspection device for plastic pipes according to claim 7, wherein: the slide blocks (22) are multiple, the V-shaped plates (23) are multiple, and the slide blocks and the V-shaped plates are arranged in a one-to-one correspondence mode.

9. The drop hammer impact batch inspection device for plastic pipes according to claim 1, wherein: the rope (2) is a steel wire rope.