Fuel gas hose swing bending test equipment

Abstract

The utility model discloses a fuel gas hose swing bending test equipment, including box, power piece, swing rod, limit piece, slide carriage and pipe to be tested, power piece is installed in box back, swing rod is located in box and is connected with power piece, slide carriage is located below swing rod, limit piece is located between swing rod top and slide carriage, and the pipe to be tested is connected with the limit piece. The upper end of the to-be-tested pipe is connected with the top end of the swing rod, the lower end of the to-be-tested pipe is connected with the sliding seat, the to-be-tested pipe penetrates through the limiting piece and the sliding seat and can move up and down, and the power piece can drive the swing rod to swing back and forth so that the swing rod can swing and bend at the limiting piece and drive the sliding seat to reciprocate up and down. One end of the to-be-tested pipe is connected with the swing rod, the other end of the to-be-tested pipe is connected with the sliding seat to form the movable end, and the balancing weight is arranged at the sliding seat, so that the to-be-tested pipe can be prevented from being stretched by multiple degrees and can be straightened when being tested, and the detection accuracy of the to-be-tested pipe can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to test instrument more particularly, relate to a kind of gas hose swing bending test equipment. BACKGROUND

[0002] Gas hose can be caused by swing and shake and lead to fatigue fracture in use process. Current swing bending experimental equipment, one end is fixed with test equipment, the other end is reciprocating swing by swing lever, thus greater tension can be generated to gas pipeline in swing bending process, so that the situation that gas hose is broken at bending part due to swing stretching can occur, and thus the durability of gas pipeline cannot be well detected, so it is urgently needed to be improved. SUMMARY

[0003] The utility model discloses a kind of gas hose swing bending test equipment, one end of the pipe to be measured is connected with swing lever, the other end is formed with movable end by connecting with slide, and counterweight is arranged at slide, so that the pipe to be measured can avoid excessive stretching and straighten the pipe to be measured when testing, which is beneficial to improve the accuracy of pipe to be measured detection.

[0004] To achieve the above object, the utility model adopts the following technical scheme: a kind of gas hose swing bending test equipment, including box, power part, swing lever, limiting part, slide and pipe to be measured, the power part is installed on the back of box, the swing lever is located in the inside of box and is connected with power part, the slide is located below swing lever, the limiting part is located between swing lever top and slide, the pipe to be measured upper end is connected with swing lever top and lower end is connected with slide, the pipe to be measured penetrates limiting part, the slide can move up and down, the power part can drive swing lever reciprocating swing, so that swing lever swings and bends at limiting part and drives slide reciprocating movement up and down.

[0005] Further, the inner wall of the box is fixed with a guide rail, the slide is connected with the guide rail, and the slide can move along the guide rail.

[0006] Further, the slide is connected with a counterweight at the lower part.

[0007] Further, the inner wall of the box is fixed with a frame, the limiting part is installed in the frame, the limiting part includes two sliding blocks, the surfaces of the two sliding blocks are installed with rollers, and the pipe to be measured penetrates between the rollers on the two sliding blocks.

[0008] Further, the two sliding blocks can move close to or away from each other, the frame includes a mounting port, the sliding blocks are clamped in the mounting port, and the frame is threadedly connected with bolts on both sides, the end portions of the bolts abut against the outer sides of the sliding blocks and can push the sliding blocks to move.

[0009] Further, the top end of the swing rod is fixed with a connecting block, the lower part of the connecting block is connected with a first connecting head, the upper part of the slide is connected with a second connecting head, the two ends of the pipe to be tested are provided with connecting parts, and the two connecting parts are connected with the first connecting head and the second connecting head respectively.

[0010] Further, the side of the slide is connected with a connecting pipe, the connecting pipe is communicated with the inside of the pipe to be tested, and the first connecting head blocks one end of the pipe to be tested.

[0011] Further, the two ends of the pipe to be tested are provided with clamping pieces, the clamping pieces comprise U-shaped grooves, the pipe to be tested penetrates the U-shaped grooves, the lower part of the connecting block is provided with a first protruding column, the clamping piece located at the upper end of the pipe to be tested is fixed through screws and abuts against the lower part of the connecting part located at the upper end of the pipe to be tested, and the upper part of the slide is provided with a second protruding column, the clamping piece located at the lower end of the pipe to be tested is fixed through screws and abuts against the upper part of the connecting part located at the lower end of the pipe to be tested.

[0012] Further, the power member is an electric motor.

[0013] In conclusion, the utility model has the following beneficial effects:

[0014] The upper end of the pipe to be tested is a fixed end, the lower end of the pipe to be tested is a movable end, when the power member drives the swing rod to swing, the pipe to be tested will be bent at the limiting member, in the bending process of the pipe to be tested, the swing rod will generate a pulling force on the pipe to be tested, at this moment, the pipe to be tested will generate a pulling force on the slide and pull the slide to rise, so that the influence of the pipe to be tested being broken at the bending position due to the pipe to be tested being stretched by the swing rod can be effectively reduced, and the test effect of the pipe to be tested is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the embodiment;

[0016] Figure 2 It is an internal structural schematic view of the embodiment;

[0017] Figure 3 It is a partial sectional view of the embodiment;

[0018] Figure 4 It is a partial sectional view of the embodiment;

[0019] Figure 5 It is a partial sectional view of the embodiment.

[0020] Reference numerals: 1. Housing; 11. Guide rail; 2. Power component; 3. Swing rod; 31. Connecting block; 32. First connector; 33. First protrusion; 4. Frame; 41. Mounting port; 42. Bolt; 43. Support rib; 44. Clearance area; 5. Slider; 51. Roller; 6. Slide seat; 61. Connecting pipe; 62. Second connector; 63. Second protrusion; 7. Counterweight; 8. Tube to be tested; 81. Connecting part; 9. Clamping plate; 91. U-shaped groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1 to 5 As shown in the figure, this embodiment discloses a gas hose swing bending test device, including a housing 1, a power component 2, a swing rod 3, a limiting component, a slide block 6, and a test tube 8. The power component 2 is installed on the back of the housing 1. The swing rod 3 is located inside the housing 1 and connected to the power component 2. The slide block 6 is located below the swing rod 3. The limiting component is located between the top of the swing rod 3 and the slide block 6. The upper end of the test tube 8 is connected to the top of the swing rod 3 and the lower end is connected to the slide block 6. The test tube 8 passes through the limiting component. The slide block 6 can move up and down. The power component 2 is a motor. The power component 2 can drive the swing rod 3 to swing back and forth, so that the swing rod 3 swings and bends at the limiting component and drives the slide block 6 to move up and down.

[0023] As can be seen, the upper end of the tube under test 8 is a fixed end, and the lower end of the tube under test 8 is a movable end. When the power component 2 drives the swing rod 3 to swing, the tube under test 8 will bend at the limiting component. During the bending process, the swing rod 3 will generate a pulling force on the tube under test 8. At this time, the tube under test 8 will generate a pulling force on the slide block 6 and pull the slide block 6 up. This can effectively reduce the impact of the tube under test 8 breaking at the bending point due to the swing rod 3 stretching the tube under test 8, and greatly improve the test effect of the tube under test 8.

[0024] The inner wall of the housing 1 is fixed with a guide rail 11, and the slide 6 is connected to the guide rail 11. The slide 6 can move along the guide rail 11. Through the cooperation between the slide 6 and the guide rail 11, the lower end of the tube to be tested 8 is effectively prevented from shaking.

[0025] The lower part of the slide block 6 is connected to a counterweight 7. The counterweight 7 can be replaced with different weights according to the test requirements. By setting the counterweight 7, the tube under test 8 can be straightened as much as possible during the swing bending test, thereby improving the accuracy of the test results.

[0026] The frame 4 is fixed on the inner wall of the box 1, the limiting piece is installed in the frame 4, the limiting piece comprises two sliding blocks 5, the surface of the two sliding blocks 5 is provided with a roller 51, the to-be-tested pipe 8 passes between the rollers 51 on the two sliding blocks 5, the to-be-tested pipe 8 can be clamped through the rollers 51 on the two sliding blocks 5, specifically, the two sliding blocks 5 can move close to or away from each other, the frame 4 comprises a mounting port 41, the sliding block 5 is clamped in the mounting port 41, the frame 4 is provided with a bolt 42 on the two sides and is screwed, the end of the bolt 42 abuts against the outer side of the sliding block 5 and can push the sliding block 5 to move, when the to-be-tested pipe 8 is subjected to the swing bending test, the to-be-tested pipe 8 will be in contact with the roller 51 and will be bent at the roller 51, and when being bent, the roller 51 can rotate to a certain extent, thereby reducing the friction with the to-be-tested pipe 8 and reducing the influence of the roller 51 on the test result; and the distance between the two sliding blocks 5 is adjusted by pushing the sliding block 5 through the bolt 42, so that the test operation of the to-be-tested pipe 8 with different diameters can be met.

[0027] The top end of the swing rod 3 is fixedly provided with a connecting block 31, the lower part of the connecting block 31 is connected with a first connecting head 32, the upper part of the sliding seat 6 is connected with a second connecting head 62, the two ends of the to-be-tested pipe 8 are provided with connecting parts 81, the two connecting parts 81 are connected with the first connecting head 32 and the second connecting head 62 respectively, the side surface of the sliding seat 6 is connected with a connecting pipe 61, the connecting pipe 61 communicates with the inside of the to-be-tested pipe 8, and the first connecting head 32 blocks one end of the to-be-tested pipe 8.

[0028] The connecting pipe 61 can be connected with an external air source, when the to-be-tested pipe 8 is subjected to the swing bending test, the inside of the to-be-tested pipe 8 is ventilated through the connecting pipe 61, the swing bending in the state of passing gas is simulated, so that the accuracy of the test result can be improved, and the model and size of the first connecting head 32 and the second connecting head 62 can be selected according to the model of the to-be-tested pipe 8.

[0029] The two ends of the to-be-tested pipe 8 are provided with clamping pieces 9, the clamping piece 9 comprises a U-shaped groove 91, the to-be-tested pipe 8 penetrates through the U-shaped groove 91, the lower part of the connecting block 31 is provided with a first convex column 33, the clamping piece 9 located at the upper end of the to-be-tested pipe 8 is fixedly connected with the first convex column 33 through a screw and the upper part of the clamping piece 9 abuts against the lower part of the connecting part 81 located at the upper end of the to-be-tested pipe 8, the upper part of the sliding seat 6 is provided with a second convex column 63, the clamping piece 9 located at the lower end of the to-be-tested pipe 8 is fixedly connected with the second convex column 63 through a screw and the lower part of the clamping piece 9 abuts against the upper part of the connecting part 81 located at the lower end of the to-be-tested pipe 8, through the arrangement of the two clamping pieces 9, the two ends of the to-be-tested pipe 8 can be clamped, and the to-be-tested pipe 8 can be effectively prevented from leaking due to the loosening of the connecting part 81 caused by stress during the swing bending test.

[0030] The lower part of the frame 4 is provided with a support rib 43 on one side of the inner wall of the box 1, the support rib 43 is fixed with the inner wall of the box 1, the box 1, the support rib 43 and the frame 4 form an avoiding area 44, the lower end of the swing rod 3 is located in the avoiding area 44, through this design, the swing rod 3 can effectively avoid contacting with the frame 4 in the swing process, so that the swing rod 3 can realize the swing of a large angle θ, in the embodiment, the swing angle θ of the swing rod 3 ranges from 120° to 150°.

[0031] The above is only the preferred embodiment of the present application, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical scheme belonging to the idea of the present application belongs to the protection scope of the present application. It should be pointed out that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application, these improvements and decorations should also be considered as the protection scope of the present application.

Claims

1. A gas hose swing bending test device, characterized in that, The device includes a housing (1), a power component (2), a swing rod (3), a limiting component, a slide (6), and a test tube (8). The power component (2) is installed on the back of the housing (1). The swing rod (3) is located inside the housing (1) and connected to the power component (2). The slide (6) is located below the swing rod (3). The limiting component is located between the top of the swing rod (3) and the slide (6). The upper end of the test tube (8) is connected to the top of the swing rod (3), and the lower end is connected to the slide (6). The test tube (8) passes through the limiting component. The slide (6) can move up and down. The power component (2) can drive the swing rod (3) to swing back and forth, so that the swing rod (3) swings and bends at the limiting component and drives the slide (6) to move up and down.

2. The gas hose swing bending test device according to claim 1, characterized in that, The inner wall of the housing (1) is fixed with a guide rail (11), and the slide (6) is connected to the guide rail (11). The slide (6) can move along the guide rail (11).

3. The gas hose swing bending test device according to claim 1, characterized in that, The lower part of the slide (6) is connected to a counterweight (7).

4. The gas hose swing bending test device according to claim 1, characterized in that, The inner wall of the housing (1) is fixed with a frame (4), and the limiting member is installed in the frame (4). The limiting member includes two sliders (5), and rollers (51) are installed on the surfaces of the two sliders (5). The tube to be tested (8) passes between the rollers (51) on the two sliders (5).

5. The gas hose swing bending test device according to claim 4, characterized in that, The two sliders (5) are able to move closer to or further away from each other. The frame (4) includes a mounting port (41). The sliders (5) are fitted into the mounting port (41). Bolts (42) are threadedly connected to both sides of the frame (4). The ends of the bolts (42) abut against the outside of the sliders (5) and can push the sliders (5) to move.

6. The gas hose swing bending test device according to claim 1, characterized in that, The top of the swing rod (3) is fixed with a connecting block (31), the lower part of the connecting block (31) is connected with a first connector (32), the upper part of the slide (6) is connected with a second connector (62), the two ends of the tube to be tested (8) are provided with connecting parts (81), and the two connecting parts (81) are respectively connected to the first connector (32) and the second connector (62).

7. A gas hose swing bending test device according to claim 6, characterized in that, The slide (6) is connected to a connecting pipe (61) on its side. The connecting pipe (61) is connected to the inside of the tube to be tested (8). The first connector (32) blocks one end of the tube to be tested (8).

8. A gas hose swing bending test device according to claim 6, characterized in that, The tube to be tested (8) is provided with clips (9) at both ends. The clips (9) include U-shaped grooves (91). The tube to be tested (8) passes through the U-shaped grooves (91). The lower part of the connecting block (31) is provided with a first protrusion (33). The clip (9) located at the upper end of the tube to be tested (8) is fixed to the first protrusion (33) by screws, and the upper part of the clip (9) abuts against the lower part of the upper end connecting part (81) of the tube to be tested (8). The upper part of the slide (6) is provided with a second protrusion (63). The clip (9) located at the lower end of the tube to be tested (8) is fixed to the second protrusion (63) by screws, and the lower part of the clip (9) abuts against the upper part of the lower end connecting part (81) of the tube to be tested (8).

9. A gas hose swing bending test device according to claim 1, characterized in that, The power component (2) is an electric motor.

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