Auxiliary device for internal pressure test of large rubber expansion joint

Abstract

The utility model relates to the field of large -scale rubber expansion joint internal pressure test, concretely relates to a kind of auxiliary device for large -scale rubber expansion joint internal pressure test, it includes: top cap subassembly and the base subassembly being arranged in the lower part of top cap subassembly, large -scale rubber expansion joint is arranged between top cap subassembly and the base subassembly, replacement component is arranged inside large -scale rubber expansion joint, for replacing water to occupy the internal space of large -scale rubber expansion joint, by setting top cap subassembly, the base subassembly and the replacement component, wherein the tank occupies the internal space of large -scale rubber expansion joint, not only can reduce the time required for injecting water to and fro in the internal of large -scale rubber expansion joint, reduce the water quantity required for single detection large -scale rubber expansion joint, to realize the reduction of detection cost, the clamping groove and the card piece are used to fix the upper position stability of replacement component when inside large -scale rubber expansion joint.

Description

Technical Field

[0001] This utility model belongs to the field of internal pressure testing of large rubber expansion joints, and specifically relates to an auxiliary device for testing the internal pressure of large rubber expansion joints. Background Technology

[0002] Large rubber expansion joints are flexible connectors used in large pipeline systems. They have the characteristics of compensating for displacement, reducing vibration and noise, and resisting pressure and corrosion. They are widely used in water supply and drainage, HVAC, chemical, metallurgical, nuclear energy and other fields.

[0003] When producing large rubber expansion joints, it is often necessary to test whether the pressure that the large rubber expansion joints can withstand meets the standards. When conducting internal pressure tests on large rubber expansion joints, water is often injected into the large rubber expansion joints and the internal pressure is measured. However, since large rubber expansion joints are large in volume, injecting water into them and then unloading it each time is a very cumbersome measurement process. Therefore, there is an urgent need for an auxiliary device for testing the internal pressure of large rubber expansion joints to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art where large rubber expansion joints are large in volume and require water to be injected into them and then unloaded each time, making the measurement process very cumbersome. This invention aims to provide an auxiliary device for testing the internal pressure of large rubber expansion joints.

[0005] To achieve the above-mentioned objectives, the technical solution of this utility model is: an auxiliary device for testing the internal pressure of a large rubber expansion joint, comprising a top cover assembly and a base assembly disposed at the lower part of the top cover assembly, wherein a large rubber expansion joint is disposed between the top cover assembly and the base assembly, and a replacement component is disposed inside the large rubber expansion joint to replace water occupying the internal space of the large rubber expansion joint.

[0006] In the aforementioned auxiliary device for testing the internal pressure of a large rubber expansion joint, the base assembly includes a base disposed at the lower part of the large rubber expansion joint for supporting the large rubber expansion joint. An expansion ring is fixedly connected to the lower side of the base to increase the contact area between the base and the outside. A column is fixedly connected to the upper part of the base, and more than one expansion clip is fixedly connected to the upper side wall of the column.

[0007] In the aforementioned auxiliary device for testing the internal pressure of large rubber expansion joints, a plurality of second sliding grooves are provided on the base along the axis. A sleeve slides along the inside of the second sliding grooves. By moving the sleeve along the radial direction of the base, the large rubber expansion joints of different sizes can be fixed.

[0008] In the aforementioned auxiliary device for testing the internal pressure of large rubber expansion joints, a rotating disk is rotatably arranged inside the base, and more than one drive groove is opened on the rotating disk. The sleeve moves along the drive groove. A drive rod is arranged outside the base, and the drive rod is fixedly connected to the corresponding sleeve. The drive rod slides through the base.

[0009] In the aforementioned auxiliary device for testing the internal pressure of a large rubber expansion joint, the replacement component includes a tank disposed inside the large rubber expansion joint. A water inlet pipe is fixedly connected to the upper side wall of the tank, and a second cover is threaded onto the water inlet pipe. A water outlet pipe is fixedly connected to the lower side wall of the tank, and a first cover is threaded onto the water outlet pipe. More than one lifting lug is fixedly connected to the upper side wall of the tank for lifting the replacement component. More than one slot is provided on the upper part of the tank.

[0010] In the aforementioned auxiliary device for testing the internal pressure of a large rubber expansion joint, the bottom of the tank is provided with a through hole to accommodate the expansion clip, and a misalignment groove is provided inside the through hole, the size of which is larger than that of the through hole.

[0011] In the aforementioned auxiliary device for testing the internal pressure of a large rubber expansion joint, the top cover assembly includes a top cover body disposed on the upper part of the large rubber expansion joint. More than one clip is fixedly connected to the lower surface of the top cover body, and more than one positioning plate is fixedly connected to the side wall of the top cover body for fitting with the expansion ring to achieve coaxiality between the base assembly and the top cover assembly. The top cover body is provided with a plurality of first sliding grooves along the radius, and the first sliding grooves are connected to the large rubber expansion joint by bolts and screws.

[0012] In the aforementioned auxiliary device for testing the internal pressure of a large rubber expansion joint, a pressure gauge is fixedly connected to the upper part of the top cover body to detect the internal water pressure of the large rubber expansion joint.

[0013] A water inlet pipe is fixedly connected to the upper part of the top cover body for injecting water into the large rubber expansion joint.

[0014] Compared with the prior art, the auxiliary device for testing the internal pressure of large rubber expansion joints of this utility model has at least the following beneficial effects:

[0015] 1. The auxiliary device for testing the internal pressure of a large rubber expansion joint of this utility model, by setting up the top cover assembly, the base assembly, and the replacement assembly, wherein the tank occupies the internal space of the large rubber expansion joint, not only reduces the time required to inject water back and forth into the large rubber expansion joint, but also reduces the amount of water required for a single test of the large rubber expansion joint, thereby reducing the testing cost. Furthermore, the slot and the clip are used to fix the stability of the upper position of the replacement assembly when it is inside the large rubber expansion joint, while the misalignment groove, the through hole, the column, and the expansion clip restrict the stability of the lower position of the replacement assembly, avoiding the problem of the replacement assembly shaking inside the large rubber expansion joint and causing damage to the large rubber expansion joint. That is, the stability of the replacement assembly is improved when testing the internal pressure of the large rubber expansion joint.

[0016] 2. The auxiliary device for testing the internal pressure of a large rubber expansion joint of this utility model, by setting the top cover assembly and the base assembly, and the first sliding groove and the second sliding groove in the top cover assembly, enables the large rubber expansion joint of the same size to be installed on the base for internal pressure testing, thereby expanding the detection range of the testing device, that is, expanding the practicality of the testing device. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the auxiliary device for testing the internal pressure of a large rubber expansion joint according to this utility model.

[0018] Figure 2 This is a schematic diagram of the internal structure of a large rubber expansion joint, which is an auxiliary device for testing the internal pressure of a large rubber expansion joint according to this utility model.

[0019] Figure 3 This is a top view of the internal structure of the large rubber expansion joint, which is an auxiliary device for testing the internal pressure of the large rubber expansion joint according to this utility model.

[0020] Figure 4 This is a schematic diagram of the overall structure of the base assembly of the auxiliary device for testing the internal pressure of a large rubber expansion joint according to this utility model;

[0021] Figure 5 This is a schematic diagram of the bottom structure of the top cover assembly of the auxiliary device for testing the internal pressure of a large rubber expansion joint according to this utility model;

[0022] Figure 6 This is a schematic diagram of the internal structure of the tank of the auxiliary device for testing the internal pressure of a large rubber expansion joint according to this utility model;

[0023] Figure 7 This is a schematic diagram of the internal structure of the base of the auxiliary device for testing the internal pressure of a large rubber expansion joint according to this utility model;

[0024] Figure 8 This utility model relates to an auxiliary device for testing the internal pressure of large rubber expansion joints. Figure 6 Enlarged structural diagram at point A;

[0025] Figure 9 This utility model relates to an auxiliary device for testing the internal pressure of large rubber expansion joints. Figure 7 Enlarged structural diagram at point B.

[0026] In the diagram: 1. Top cover assembly; 11. Top cover body; 12. Clip; 13. Positioning plate; 14. First sliding groove;

[0027] 2. Water inlet pipe; 3. Pressure gauge; 4. Large rubber expansion joint;

[0028] 5. Base assembly; 51. Extension ring; 52. Base; 53. Column; 54. Extension clip; 55. Second sliding groove; 56. Sleeve; 57. Drive groove; 58. Rotating disk; 59. Drive rod;

[0029] 6. Replacement component; 61. Tank body; 62. Slot; 63. Lifting lug; 64. Inlet pipe; 65. Outlet pipe; 66. Misalignment groove; 67. Through hole. Detailed Implementation

[0030] The auxiliary device for testing the internal pressure of a large rubber expansion joint of this utility model will be described in more detail below with reference to the accompanying drawings and specific embodiments.

[0031] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] This embodiment discloses an auxiliary device for testing the internal pressure of a large rubber expansion joint. By setting up a top cover assembly 1, a base assembly 5, and a replacement assembly 6, wherein the tank 61 occupies the internal space of the large rubber expansion joint 4, it not only reduces the time required to repeatedly inject water into the large rubber expansion joint 4, but also reduces the amount of water required for a single test of the large rubber expansion joint 4, thereby reducing testing costs. Furthermore, the slot 62 and the clip 12 are used to stabilize the upper position of the replacement assembly 6 inside the large rubber expansion joint 4. Simultaneously, the misalignment slot 66, the through hole 67, the column 53, and the expansion clip 54 restrict the stability of the lower position of the replacement assembly 6, preventing the replacement assembly 6 from shaking inside the large rubber expansion joint 4 and causing damage to the large rubber expansion joint 4. In other words, it improves the stability of the replacement assembly 6 when testing the internal pressure of the large rubber expansion joint 4. Figures 1-9 It mainly includes a top cover assembly 1 and a base assembly 5 disposed at the lower part of the top cover assembly 1. A large rubber expansion joint 4 is disposed between the top cover assembly 1 and the base assembly 5. A replacement component 6 is disposed inside the large rubber expansion joint 4 to replace water occupying the internal space of the large rubber expansion joint 4.

[0033] like Figure 4 As shown, the base assembly 5 includes a base 52 disposed at the lower part of the large rubber expansion joint 4 for supporting the large rubber expansion joint 4. An expansion ring 51 is fixedly connected to the lower side of the base 52 to increase the contact area between the base 52 and the outside world, thereby improving the stability of the base 52. A column 53 is fixedly connected to the upper part of the base 52, and more than one expansion clip 54 is fixedly connected to the upper side wall of the column 53.

[0034] like Figure 7 and Figure 9 As shown, the base 52 has several second sliding grooves 55 along its axis. A sleeve 56 slides along the inside of the second sliding grooves 55. A bolt is fixedly connected inside the sleeve 56. The bolt is connected to a nut through a hole on the flange of the large rubber expansion joint 4, so that the sleeve 56 is fixed on the large rubber expansion joint 4. At the same time, by moving the sleeve 56 along the radial direction of the base 52, it can be fixed on the large rubber expansion joint 4 of different sizes, thus expanding the practicality of the testing device.

[0035] The base 52 has a rotating disk 58 inside, and the rotating disk 58 has more than one drive groove 57. The sleeve 56 moves along the drive groove 57. The base 52 has a drive rod 59 outside, and the drive rod 59 is fixedly connected to the corresponding sleeve 56. The drive rod 59 slides through the base 52.

[0036] like Figure 2 and Figure 3 As shown, the replacement component 6 includes a tank 61 disposed inside the large rubber expansion joint 4. A water inlet pipe 64 is fixedly connected to the upper side wall of the tank 61, and a second cover is threaded onto the water inlet pipe 64. A water outlet pipe 65 is fixedly connected to the lower side wall of the tank 61, and a first cover is threaded onto the water outlet pipe 65. More than one lifting lug 63 is fixedly connected to the upper side wall of the tank 61 for lifting the replacement component 6. More than one slot 62 is provided on the upper part of the tank 61.

[0037] like Figure 8 As shown, the bottom of the can body 61 has a through hole 67 for accommodating the expansion card 54. Inside the through hole 67, there is a misalignment groove 66. The size of the misalignment groove 66 is larger than that of the through hole 67. After the expansion card 54 and the column 53 enter the misalignment groove 66 through the through hole 67, the can body 61 is rotated to restrict the expansion card 54.

[0038] like Figure 5 As shown, the top cover assembly 1 includes a top cover body 11 disposed on the upper part of the large rubber expansion joint 4. More than one clip 12 is fixedly connected to the lower surface of the top cover body 11. The clip 12 and the slot 62 are engaged to restrict the upper part of the replacement component 6. More than one positioning plate 13 is fixedly connected to the side wall of the top cover body 11 for fitting with the expansion ring 51 to achieve coaxiality between the base assembly 5 and the top cover assembly 1. The top cover body 11 is provided with a plurality of first sliding grooves 14 along the radius. The first sliding grooves 14 are connected to the large rubber expansion joint 4 by bolts and screws.

[0039] like Figure 1 As shown, a pressure gauge 3 is fixedly connected to the upper part of the top cover body 11 for detecting the water pressure inside the large rubber expansion joint 4, and a water inlet pipe 2 is fixedly connected to the upper part of the top cover body 11 for injecting water into the large rubber expansion joint 4.

[0040] By setting the top cover assembly 1 and the base assembly 5, the first sliding groove 14 and the second sliding groove 55 in the top cover assembly 1 enable the large rubber expansion joint 4 of the same size to be installed on the base 52 for internal pressure testing, thereby expanding the detection range of the testing device, that is, expanding the practicality of the testing device.

[0041] The working principle of the auxiliary device for testing the internal pressure of large rubber expansion joints of this utility model:

[0042] When it is necessary to adjust the fixed position of the sleeve 56;

[0043] First, an external force drives the drive rod 59 to move. The movement of the drive rod 59 causes the corresponding sleeve 56 to move along the second sliding groove 55. The movement of the sleeve 56 causes the drive groove 57 to rotate. The rotation of the drive groove 57 causes the rotating disk 58 to rotate, thereby driving the other drive grooves 57 to move, and thus driving all the sleeves 56 to move along the second sliding groove 55.

[0044] When it is necessary to install the replacement component 6;

[0045] The canister 61 is hoisted into the large rubber expansion joint 4 using external tools. The movement of the canister 61 causes the misalignment groove 66 to move through the expansion clip 54. Then, the replacement component 6 is rotated, which in turn causes the top cover body 11 to move and fasten onto the large rubber expansion joint 4. The movement of the top cover body 11 causes the clip 12 to move and enter the slot 62.

[0046] It should be noted that, in actual implementation, the structure depicted in the accompanying drawings is not a fixed or unchanging embodiment. The components of the embodiments of this invention described and shown in these drawings can typically be arranged and designed in various different configurations. Furthermore, the accompanying drawings and abstract drawings are merely illustrative and do not represent the specific structure or actual quantity in a concrete implementation.

[0047] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains. The use of terms such as "a" or "an" in this specification and claims does not necessarily indicate a limitation on quantity. Terms such as "comprising" or "including" mean that the element or component preceding the word encompasses the element or component listed following the word and its equivalents, without excluding other elements or components. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0048] The exemplary embodiments of the present invention have been described in detail above with reference to preferred embodiments. However, those skilled in the art will understand that various modifications and alterations can be made to the above specific embodiments without departing from the concept of the present invention, and various combinations can be made to the various technical features and structures proposed by the present invention without exceeding the protection scope of the present invention.

Claims

1. An auxiliary device for testing the internal pressure of a large rubber expansion joint, characterized in that, include: A top cover assembly (1) and a base assembly (5) disposed at the lower part of the top cover assembly (1). A large rubber expansion joint (4) is disposed between the top cover assembly (1) and the base assembly (5). A replacement component (6) is disposed inside the large rubber expansion joint (4) to replace water occupying the internal space of the large rubber expansion joint (4).

2. The auxiliary device for testing the internal pressure of a large rubber expansion joint according to claim 1, characterized in that: The base assembly (5) includes a base (52) disposed at the lower part of the large rubber expansion joint (4) for supporting the large rubber expansion joint (4). An expansion ring (51) is fixedly connected to the lower side of the base (52) for increasing the contact area between the base (52) and the outside. A column (53) is fixedly connected to the upper part of the base (52), and more than one expansion clip (54) is fixedly connected to the upper side wall of the column (53).

3. The auxiliary device for testing the internal pressure of a large rubber expansion joint according to claim 2, characterized in that: The base (52) has several second sliding grooves (55) along its axis. A sleeve (56) slides along the inside of the second sliding groove (55). The sleeve (56) moves along the radius of the base (52) to fix the large rubber expansion joints (4) of different sizes.

4. The auxiliary device for testing the internal pressure of a large rubber expansion joint according to claim 3, characterized in that: The base (52) has a rotating disk (58) inside, and the rotating disk (58) has more than one drive groove (57). The sleeve (56) moves along the drive groove (57). The base (52) has a drive rod (59) outside, and the drive rod (59) is fixedly connected to the corresponding sleeve (56). The drive rod (59) slides through the base (52).

5. The auxiliary device for testing the internal pressure of a large rubber expansion joint according to claim 2, characterized in that: The replacement component (6) includes a tank (61) disposed inside the large rubber expansion joint (4). A water inlet pipe (64) is fixedly connected to the upper side wall of the tank (61). A second cover is threaded onto the water inlet pipe (64). A water outlet pipe (65) is fixedly connected to the lower side wall of the tank (61). A first cover is threaded onto the water outlet pipe (65). More than one lifting lug (63) is fixedly connected to the upper side wall of the tank (61) for lifting the replacement component (6). More than one slot (62) is provided on the upper part of the tank (61).

6. The auxiliary device for testing the internal pressure of a large rubber expansion joint according to claim 5, characterized in that: The bottom of the tank (61) is provided with a through hole (67) to accommodate the expansion card (54) to pass through. The through hole (67) is provided with a misalignment groove (66) inside. The size of the misalignment groove (66) is larger than that of the through hole (67).

7. The auxiliary device for testing the internal pressure of a large rubber expansion joint according to claim 2, characterized in that: The top cover assembly (1) includes a top cover body (11) disposed on the upper part of the large rubber expansion joint (4). More than one clip (12) is fixedly connected to the lower surface of the top cover body (11). More than one positioning plate (13) is fixedly connected to the side wall of the top cover body (11) for fitting with the expansion ring (51) to realize that the base assembly (5) and the top cover assembly (1) are coaxial. The top cover body (11) is provided with a plurality of first sliding grooves (14) along the radius. The first sliding grooves (14) are connected to the large rubber expansion joint (4) by bolts and screws.

8. The auxiliary device for testing the internal pressure of a large rubber expansion joint according to claim 7, characterized in that: A pressure gauge (3) is fixedly connected to the upper part of the top cover body (11) for detecting the water pressure inside the large rubber expansion joint (4); The top cover body (11) is fixedly connected to a water inlet pipe (2) for injecting water into the large rubber expansion joint (4).

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