Duct piece rubber strip pressing test bench

Abstract

The utility model discloses a duct piece rubber strip compaction test bench, which relates to the technical field of duct piece rubber strip tests, and comprises a fixed seat, an unadjustable trolley, an adjustable trolley and a compaction mechanism, a pull rod on the fixed seat is inserted into the movable seat, a nut is locked at the end of the pull rod, an unadjustable trolley and an adjustable trolley are sequentially and slidably connected to a track between the movable seat and the fixed seat, and the three pressing mechanisms are located on the inner side of the fixed seat. The positions of the duct pieces are adjusted through the non-adjustable trolley and the adjustable trolley, the first hydraulic cylinder on the adjustable trolley drives the duct pieces to move up and down, and the puller bolts drive the duct pieces to move front and back, so that the two duct pieces can be attached and consistent, the test efficiency is improved, and the subsequent duct piece adhesive tape test is more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of segment rubber strip tests, and particularly relates to a segment rubber strip pressing test bench. Background Art

[0002] Tunnel segments are key structures of shield tunnels, and rubber strips are important sealing components thereon. The quality and service life of tunnel projects are decisively affected by the performance of the rubber strips. After production, the rubber strips need to be tested on a pressing test device to detect their performance. However, the existing pressing test device is not convenient for adjusting the position of the segments, which on the one hand leads to low test efficiency and on the other hand makes the test results inaccurate. Content of the Utility Model

[0003] The purpose of the utility model is to provide a segment rubber strip pressing test bench to overcome the above defects in the prior art.

[0004] A segment rubber strip pressing test bench includes a fixed seat, an immovable trolley, an adjustable trolley and a pressing mechanism. Tracks are symmetrically arranged on both sides of the fixed seat, and a movable seat is slidably connected to the tracks. A pull rod on the fixed seat is inserted into the movable seat and a nut is locked at its end. An immovable trolley and an adjustable trolley are sequentially slidably connected to the tracks between the movable seat and the fixed seat. Three pressing mechanisms are arranged inside the fixed seat.

[0005] Preferably, the movable seat includes a moving frame, a fixed frame and a first roller. There are two fixed frames symmetrically arranged at the bottom of the moving frame. The bottom of the fixed frame is slidably connected to the track through a plurality of first rollers. The pull rod is inserted into the moving frame.

[0006] Preferably, the immovable trolley includes a first vehicle body and an upper support. The bottom of the first vehicle body is slidably connected to the track through a plurality of second rollers. There are two upper supports symmetrically arranged on the top of the first vehicle body.

[0007] Preferably, the upper support is of a "U" - shaped structure with the opening facing downwards.

[0008] Preferably, the adjustable trolley includes a second vehicle body, an adjusting vehicle body, a lifting plate and a first hydraulic cylinder. The bottom of the second vehicle body is slidably connected to the track through a plurality of third rollers. The bottom of the adjusting vehicle body is rotatably connected to the top of the second vehicle body through a plurality of fourth rollers. Both sides of the adjusting vehicle body are respectively located between the limiting plates on the second vehicle body. The four corners of the second vehicle body are respectively abutted against the adjusting vehicle body through tightening bolts. There are two lifting plates symmetrically arranged on both sides of the adjusting vehicle body. Two first hydraulic cylinders are arranged between the lifting plate and the adjusting vehicle body. The cylinder body of the first hydraulic cylinder is connected to the adjusting vehicle body, and the piston rod of the first hydraulic cylinder is connected to the lifting plate. A guide rod slidably connected to the adjusting vehicle body is further arranged at the bottom of the lifting plate.

[0009] Preferably, the clamping mechanism includes a pressure-bearing part, a second hydraulic cylinder and a telescopic rod, the cylinder body of the second hydraulic cylinder is connected to a fixed seat, the end of the piston rod of the second hydraulic cylinder is connected to the pressure-bearing part, a plurality of telescopic rods are evenly distributed along the circumference of the pressure-bearing part, the fixed end of the telescopic rod is connected to the fixed seat, and the telescopic end of the telescopic rod is connected to the pressure-bearing part.

[0010] Preferably, a plurality of “L”-shaped support frames are provided on the outer side of the track, and support wheels rollingly connected to the pull rods are provided on the tops of the support frames.

[0011] The utility model has the following advantages:

[0012] When the utility model is in use, the position of the pipe segment is adjusted by a non-adjustable trolley and an adjustable trolley, and then the hydraulic cylinder on the adjustable trolley drives the pipe segment to move up and down, and the tightening bolt drives the pipe segment to move forward and backward, so that the two pipe segments can fit consistently, thereby improving the test efficiency and making subsequent pipe segment rubber strip tests more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 and Figure 2 It is a schematic diagram of the overall three-dimensional structure of the utility model at different angles.

[0014] Figure 3 for Figure 2 A partial enlarged view of point A in the middle.

[0015] Figure 4 It is a structural schematic diagram of the movable seat of the utility model.

[0016] Figure 5 It is a structural schematic diagram of the non-adjustable trolley of the utility model.

[0017] Figure 6 It is a structural schematic diagram of the adjustable trolley of the utility model.

[0018] Figure 7 It is a schematic diagram of the structure of the utility model when testing the pipe segment rubber strip.

[0019] Figure 8 It is a structural schematic diagram of the pipe segment and the rubber strip of the utility model.

[0020] Wherein: 1. Fixed seat; 2. Track; 3. Movable seat; 31. Fixed frame; 32. Movable frame; 33. First roller; 4. Pull rod; 41. Nut; 5. Non-adjustable trolley; 51. First vehicle body; 52. Second roller; 53. Upper support; 6. Adjustable trolley; 61. Second vehicle body; 611. Third roller; 62. Adjusting vehicle body; 621. Fourth roller; 63. Limit plate; 64. Tightening bolt; 65. Lifting plate; 66. First hydraulic cylinder; 67. Guide rod; 7. Pressing mechanism; 71. Second hydraulic cylinder; 72. Bearing member; 73. Telescopic rod; 8. Support frame; 81. Support wheel; 9. Segment; 91. Rubber strip. Detailed implementation mode

[0021] The following is a further detailed description of the specific implementation mode of the present utility model by describing the embodiments with reference to the accompanying drawings, so as to help those skilled in the art have a more complete, accurate and in-depth understanding of the concept and technical solution of the present utility model.

[0022] As Figure 1-8 shown, the present utility model provides a segment 9 rubber strip 91 pressing test bench, which includes a fixed seat 1, a non-adjustable trolley 5, an adjustable trolley 6 and a pressing mechanism 7. Tracks 2 are symmetrically arranged on both sides of the fixed seat 1. A movable seat 3 is slidably connected to the tracks 2. A pull rod 4 on the fixed seat 1 is inserted into the movable seat 3 and a nut 41 is locked at its end. A non-adjustable trolley 5 and an adjustable trolley 6 are sequentially slidably connected to the tracks 2 between the movable seat 3 and the fixed seat 1. Three pressing mechanisms 7 are arranged inside the fixed seat 1.

[0023] It should be noted that the movable seat 3 includes a movable frame 32, a fixed frame 31 and a first roller 33. Two fixed frames 31 are symmetrically arranged at the bottom of the movable frame 32. The bottom of the fixed frame 31 is slidably connected to the tracks 2 through a plurality of first rollers 33. The pull rod 4 is inserted into the movable frame 32.

[0024] In addition, the non-adjustable trolley 5 includes a first vehicle body 51 and an upper support 53. The bottom of the first vehicle body 51 is slidably connected to the tracks 2 through a plurality of second rollers 52. Two upper supports 53 are symmetrically arranged at the top of the first vehicle body 51. The upper support 53 is of a "U" - shaped structure with the opening facing downwards.

[0025] In addition, the adjustable trolley 6 includes a second car body 61, an adjusting car body 62, a lifting plate 65 and a hydraulic cylinder 1 66. The bottom of the second car body 61 is slidably connected to the track 2 through a plurality of rollers 3 611, and the bottom of the adjusting car body 62 is rollingly connected to the top of the second car body 61 through a plurality of rollers 4 621. The two sides of the adjusting car body 62 are respectively located between the limit plates 63 on the second car body 61, and the four corners of the second car body 61 are respectively tightened against the adjusting car body 62 through tightening bolts 64. The lifting plates 65 are provided with two and are symmetrically arranged on both sides of the adjusting car body 62. Two hydraulic cylinders 1 66 are provided between the lifting plates 65 and the adjusting car body 62. The cylinder body of the hydraulic cylinder 1 66 is connected to the adjusting car body 62, and the piston rod of the hydraulic cylinder 1 66 is connected to the lifting plate 65. The bottom of the lifting plate 65 is also provided with a guide rod 67 slidably connected to the adjusting car body 62.

[0026] It should be noted that the clamping mechanism 7 includes a pressure-bearing member 72, a hydraulic cylinder 71 and a telescopic rod 73. The cylinder body of the hydraulic cylinder 71 is connected to the fixed seat 1, and the end of the piston rod of the hydraulic cylinder 71 is connected to the pressure-bearing member 72. A plurality of telescopic rods 73 are evenly distributed along the circumference of the pressure-bearing member 72. The fixed end of the telescopic rod 73 is connected to the fixed seat 1, and the telescopic end of the telescopic rod 73 is connected to the pressure-bearing member 72.

[0027] In addition, a plurality of “L”-shaped support frames 8 are provided on the outer side of the track 2 , and a support wheel 81 is provided on the top of the support frame 8 , which is rollingly connected to the pull rod 4 , so as to support the pull rod 4 .

[0028] Specific implementation and principle:

[0029] When the utility model is actually applied, the rubber strip 91 is installed on the pipe segment 9, and then the two pipe segments 9 are respectively placed on the upper bracket 53 of the non-adjustable trolley 5 and the lifting plate 65 of the adjustable trolley 6 of the test bench, and then the piston rod of the hydraulic cylinder 1 66 is controlled to extend to an appropriate length to drive the lifting plate 65 to move, and at the same time, the tightening bolt 64 can be loosened to move the adjustment car body 62 on the car body 2 61, and the pipe segment 9 thereon is moved until the two pipe segments 9 are in uniform contact, and then the tightening bolt 64 is tightened, and then the movable seat 3 is moved on the track 2, so that the pull rod 4 is inserted into the movable frame 32 of the movable seat 3, and then the nut 41 is locked on the pull rod 4, and then the piston rod of the hydraulic cylinder 2 71 is controlled to extend to drive the pressure-bearing member 72 to move, and at the same time, the telescopic end of the telescopic rod 73 is extended, so that the side of the pipe segment 9 is pressed, and the test personnel test the pipe segment 9 and the rubber strip 91.

[0030] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A segment rubber strip compression test bench, characterized in that: It includes a fixed seat (1), a non-adjustable trolley (5), an adjustable trolley (6) and a pressing mechanism (7). On both sides of the fixed seat (1), tracks (2) are symmetrically arranged. An adjustable seat (3) is slidably connected to the tracks (2). A pull rod (4) on the fixed seat (1) is inserted into the adjustable seat (3) and a nut (41) is locked at its end. The non-adjustable trolley (5) and the adjustable trolley (6) are successively slidably connected to the tracks (2) between the adjustable seat (3) and the fixed seat (1). Three pressing mechanisms (7) are provided and located inside the fixed seat (1).

2. A segment rubber strip compression test bench according to claim 1, characterized in that: The adjustable seat (3) includes a moving frame (32), a fixed frame (31) and a first roller (33). Two fixed frames (31) are provided and symmetrically arranged at the bottom of the moving frame (32). The bottom of the fixed frame (31) is slidably connected to the track (2) through a number of first rollers (33). The pull rod (4) is inserted into the moving frame (32).

3. The segment rubber strip compression test bench according to claim 1 is characterized in that: The non-adjustable trolley (5) includes a first vehicle body (51) and an upper bracket (53). The bottom of the first vehicle body (51) is slidably connected to the track (2) through a number of second rollers (52). Two upper brackets (53) are provided and symmetrically arranged at the top of the first vehicle body (51).

4. A segment rubber strip compression test bench according to claim 3, characterized in that: The upper bracket (53) is of a "U" - shaped structure with the opening facing downwards.

5. The segment rubber strip compression test bench according to claim 1 is characterized by: The adjustable trolley (6) includes a second vehicle body (61), an adjustable vehicle body (62), a lifting plate (65) and a first hydraulic cylinder (66). The bottom of the second vehicle body (61) is slidably connected to the track (2) through a number of third rollers (611). The bottom of the adjustable vehicle body (62) is rollingly connected to the top of the second vehicle body (61) through a number of fourth rollers (621). Both sides of the adjustable vehicle body (62) are respectively located between the limit plates (63) on the second vehicle body (61). At the four corners of the second vehicle body (61), the adjustable vehicle body (62) is tightened by a top - tight bolt (64). Two lifting plates (65) are provided and symmetrically arranged on both sides of the adjustable vehicle body (62). Between the lifting plate (65) and the adjustable vehicle body (62), there are two first hydraulic cylinders (66). The cylinder body of the first hydraulic cylinder (66) is connected to the adjustable vehicle body (62), and the piston rod of the first hydraulic cylinder (66) is connected to the lifting plate (65). At the bottom of the lifting plate (65), there is also a guide rod (67) slidably connected to the adjustable vehicle body (62).

6. The segment rubber strip compression test bench according to claim 1 is characterized by: The pressing mechanism (7) includes a bearing member (72), a second hydraulic cylinder (71) and a telescopic rod (73). The cylinder body of the second hydraulic cylinder (71) is connected to the fixed seat (1), and the end of the piston rod of the second hydraulic cylinder (71) is connected to the bearing member (72). A number of telescopic rods (73) are evenly distributed along the circumference of the bearing member (72). The fixed end of the telescopic rod (73) is connected to the fixed seat (1), and the telescopic end of the telescopic rod (73) is connected to the bearing member (72).

7. The segment rubber strip compression test bench according to claim 1 is characterized by: On the outer side of the track (2), there are a number of "L" - shaped support frames (8). At the top of the support frame (8), there is a support wheel (81) rollingly connected to the pull rod (4).

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