Pipe pressure testing machine suitable for pipes of different sizes

Abstract

A pipe pressure testing machine suitable for pipes of different sizes comprises a rectangular bottom plate, a vertical stand column, a supporting table, a supporting table upper plate, a vertical guide rod, an upper control table, a pressing table lower pressing plate, a rectangular shielding plate, a positioning column, a rotating supporting plate and a positioning shaft rod. The lower portion of the hydraulic cylinder is connected with the upper control table, the lower portion of the hydraulic cylinder is provided with a hydraulic cylinder piston rod, the upper portion of the pressing table is connected with the hydraulic cylinder piston rod, and the lower portion of the pressing table is provided with a pressing table lower pressing plate. The lower portion of the supporting table is connected with the rectangular bottom plate. The circular inserting table is matched with the circular positioning groove and inserted into the circular positioning groove, the upper surface of the circular inserting table is aligned with the upper surface of the supporting table upper plate, and a positioning core rod is arranged on the upper portion of the circular inserting table.

Description

Technical Field

[0001] The utility model relates to the field of pipe pressure testing, in particular to a pipe pressure testing machine suitable for pipes of different sizes. Background Art

[0002] An existing patent (publication number: CN109142039B) proposes a tensile and compressive testing device, including a base and a frame arranged on the base. The device is characterized in that the frame is provided with a tensile and compressive testing mechanism that can move horizontally and vertically on the frame. The tensile and compressive testing mechanism includes a tensile and compressive testing assembly and a lifting assembly for controlling the lifting and lowering of the tensile and compressive testing assembly. A sample table is provided between the base and the frame. A detachable fastening mechanism for fastening the sample is provided above the sample table. However, there is no safety protection structure on the outside of the sample table, which can easily cause metal parts to splash. Improvement is needed. Summary of the Invention

[0003] In response to the above-mentioned deficiencies in the prior art, the utility model provides a pipe pressure testing machine suitable for pipes of different sizes, in which positioning columns of different specifications can be replaced according to the different inner diameters of the pipes being tested. The rectangular shield plate prevents different performance of the pipes due to different metal elements constituting the pipes during the pipe pressure test, and provides safety protection for some metal pipes that are prone to splashing during the pressure test.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A pipe pressure testing machine suitable for pipes of different sizes, including a rectangular base plate, a vertical column, a support platform, a support platform upper plate, a vertical guide rod, an upper control console, a pressure plate lower plate, a rectangular shield, a positioning column, a rotating support plate, and a positioning shaft rod. The lower part of the vertical column is connected to the rectangular base plate, and the upper part of the vertical column is connected to the upper control console. Four vertical columns are distributed at the four corners of the rectangular base plate. The lower part of the hydraulic cylinder is connected to the upper control console. The lower part of the hydraulic cylinder has a hydraulic cylinder piston rod. The upper part of the pressure platform is connected to the hydraulic cylinder piston rod. The lower part of the pressure platform has a pressure plate lower plate. The lower part of the support platform is connected to the rectangular base plate. The upper part of the support platform has a support platform upper plate. The support platform upper plate has a circular positioning groove. The circular insert is adapted to the circular positioning groove. The circular insert is inserted into the circular positioning groove. The upper surface of the circular insert is aligned with the upper surface of the support platform upper plate. The upper part of the circular insert is provided with a positioning core rod.

[0006] The upper part of the positioning column is provided with a positioning column upper rod, the positioning column upper rod has a middle plug hole, the positioning core rod is adapted to the middle plug hole, the positioning core rod is inserted into the middle plug hole, the lower surface of the positioning column is fitted with the circular insert, the positioning column upper rod is inserted into the pipe fitting, and the lower surface of the pipe fitting is fitted with the positioning column.

[0007] The upper part of the vertical guide rod is connected to the upper plate of the support platform, and four vertical guide rods are distributed at the four corners of the upper plate of the support platform. The lower part of the vertical guide rod has a guide rod lower plate, and the rectangular shield has a guide rod socket. The vertical guide rod is adapted to the guide rod socket, and the vertical guide rod is inserted into the guide rod socket. The vertical guide rod slides in the guide rod socket, and the rectangular shield has a rectangular shield inner hole. The support platform is inserted into the rectangular shield inner hole, and the side of the rectangular shield is connected to a U-shaped handle.

[0008] The upper part of the positioning shaft is connected to the upper plate of the support platform, the positioning shaft passes through the rotating support plate, the upper part of the positioning shaft is connected to the upper plate of the support platform, the positioning shaft rotates in the rotating support plate, the upper surface of the rotating support plate is fitted with the lower surface of the rectangular shield, the upper plate of the support platform is adapted to the rectangular shield, and the upper plate of the support platform is inserted into the rectangular shield. Beneficial effects

[0009] The utility model is a rectangular base plate, a vertical column and an upper control console forming a frame body, the support platform is installed on the frame body, the circular insert is inserted into the circular positioning groove, the positioning core rod is inserted into the middle socket, the circular insert is fixed on the support platform upper plate, the positioning core rod is placed in the center position of the support platform, the positioning core rod positions the positioning column so that the positioning column is centered above the support platform upper plate. When in use, the pipe fitting is sleeved on the upper rod of the positioning column, and the upper rod of the positioning column positions the pipe fitting. During the pressure test of the pipe, it is prevented from moving on the upper plate of the support platform and the change of position causes the force applied to the pipe fitting by the lower pressure plate of the pressure platform to deviate. The positioning columns of different specifications can be replaced according to the different inner diameters of the pipe fittings to be tested, and it is suitable for pipes of different sizes. The hydraulic cylinder is installed on the upper control console. When the hydraulic cylinder is working, the piston rod of the hydraulic cylinder moves to drive the lower pressure plate of the pressure platform to move up and down. The lower pressure plate of the pressure platform moves downward to perform pressure test on the pipe fitting. The vertical guide rod passes through the guide rod socket to connect to the support platform upper plate, and the four vertical guide rods position the rectangular shield horizontally.

[0010] 2. The lower plate of the guide rod of the utility model supports the rectangular shield plate, and prevents the rectangular shield plate from falling from the vertical guide rod during the pressure test of the pipe. When the rectangular shield plate is in contact with the lower plate of the guide rod, the upper plate and positioning column of the support platform are exposed, and the pipe fittings and the positioning column are replaced and placed. When it is necessary to perform a pressure test on the pipe fitting, the rectangular shield plate is moved upward so that the rectangular shield plate covers the positioning column and the pipe fitting. The rotating support plate is connected to the upper plate of the support platform through the positioning shaft and can be rotated at the same time. When the rectangular shield plate blocks the device, the rotating support plate is rotated so that the upper surface of the rotating support plate fits with the lower surface of the rectangular shield plate. The rotating support plate supports and positions the rectangular shield plate, and prevents the rectangular shield plate from sliding downward during the pressure test of the pipe. The rectangular shield plate prevents different performance of the pipe fittings due to different metal elements constituting the pipe fittings during the pressure test. Some metal pipe fittings are prone to splashing during pressure testing and are therefore protected. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a top view of the first state of a pipe pressure testing machine suitable for pipes of different sizes described in the present invention.

[0012] Figure 2 This is a bottom view of the first state of a pipe pressure testing machine suitable for pipes of different sizes described in the present invention.

[0013] Figure 3 This is a top view of the second state of a pipe pressure testing machine suitable for pipes of different sizes described in the present invention.

[0014] Figure 4 This is a front view of a pipe pressure testing machine suitable for pipes of different sizes described in the present invention.

[0015] Figure 5 This is a schematic diagram of the rectangular base plate and support platform structure described in the present utility model.

[0016] Figure 6 This is a schematic diagram of the rectangular shield structure described in the present utility model.

[0017] Figure 7 This is a schematic diagram of the positioning core rod structure described in the present utility model. DETAILED DESCRIPTION

[0018] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments:

[0019] Example 1:

[0020] A pipe pressure testing machine suitable for pipes of different sizes, including a rectangular base plate 01, a vertical column 02, a support platform 03, a support platform upper plate 04, a vertical guide rod 06, an upper control console 08, a press plate lower plate 12, a rectangular shield 13, a positioning column 20, a rotating support plate 23, and a positioning shaft 24. The lower part of the vertical column 02 is connected to the rectangular base plate 01, and the upper part of the vertical column 02 is connected to the upper control console 08. Four vertical columns 02 are distributed at the four corners of the rectangular base plate 01. The rectangular base plate 01, the vertical column 02, and the upper control console 08 form a frame. The lower part of the hydraulic cylinder 09 is connected to the upper control console 08. The hydraulic cylinder 09 is installed on the upper control console 08. The lower part of the hydraulic cylinder 09 has a hydraulic cylinder piston rod 10. The upper part of the press platform 11 is connected to the hydraulic cylinder piston rod 10. The plug rod 10 and the lower part of the pressing platform 11 are provided with a pressing platform lower plate 12. When the hydraulic cylinder 09 is working, the hydraulic cylinder piston rod 10 moves to drive the pressing platform lower plate 12 to move up and down. The pressing platform lower plate 12 moves downward to perform pressure testing on the pipe fittings. The lower part of the support platform 03 is connected to the rectangular bottom plate 01. The support platform 03 is installed on the frame. The upper part of the support platform 03 is provided with a support platform upper plate 04. The support platform upper plate 04 has a circular positioning groove 05. The circular insert 17 is adapted to the circular positioning groove 05. The circular insert 17 is inserted into the circular positioning groove 05. The upper surface of the circular insert 17 is aligned with the upper surface of the support platform upper plate 04. The upper part of the circular insert 17 is provided with a positioning core rod 18. The circular insert 17 is fixed on the support platform upper plate 04. The positioning core rod 18 is placed in the center position of the support platform 03.

[0021] Example 2:

[0022] The upper part of the positioning column 20 described in the present invention is provided with a positioning column upper rod 21, and the positioning column upper rod 21 has an intermediate socket 22. The positioning core rod 18 is adapted to the intermediate socket 22, and the positioning core rod 18 is inserted into the intermediate socket 22. The lower surface of the positioning column 20 is fitted with the circular insert 17, and the positioning column upper rod 21 is inserted into the pipe fitting. The lower surface of the pipe fitting is fitted with the positioning column 20, and the positioning core rod 18 positions the positioning column 20 so that the positioning column 20 is centered above the support table plate 04. When in use, the pipe fitting is put on the positioning column upper rod 21, and the positioning column upper rod 21 positions the pipe fitting. During the pipe pressure test, the pipe fitting is prevented from moving on the support table plate 04 and the change of position causes the force applied to the pipe fitting by the lower pressure plate 12 of the pressure platform to deviate. The positioning columns 20 of different specifications can be replaced according to the different inner diameters of the pipe fittings to be tested.

[0023] Example 3:

[0024] The upper part of the vertical guide rod 06 of the utility model is connected to the support platform upper plate 04, and the four vertical guide rods 06 are distributed at the four corners of the support platform upper plate 04. The lower part of the vertical guide rod 06 has a guide rod lower plate 07, and the rectangular shielding plate 13 has a guide rod socket 16. The vertical guide rod 06 is adapted to the guide rod socket 16, and the vertical guide rod 06 is inserted into the guide rod socket 16. The vertical guide rod 06 slides in the guide rod socket 16. The four vertical guide rods 06 are positioned horizontally on the rectangular shielding plate 13, and the guide rod lower plate 07 supports the rectangular shielding plate 13. , to prevent the rectangular shield 13 from falling off the vertical guide rod 06 during the pipe pressure test, the rectangular shield 13 has a rectangular shield inner hole 15, the support platform 03 is inserted into the rectangular shield inner hole 15, and the side of the rectangular shield 13 is connected to the U-shaped handle 14. When the rectangular shield 13 is in contact with the lower plate 07 of the guide rod, the upper plate 04 of the support platform and the positioning column 20 are exposed, and the pipe fittings and the positioning column 20 can be replaced and placed. When the pipe fittings need to be pressure tested, the rectangular shield 13 is moved upward so that the rectangular shield 13 covers the positioning column 20 and the pipe fittings.

[0025] Example 4:

[0026] The upper portion of the positioning shaft 24 of the utility model is connected to the support platform upper plate 04, the positioning shaft 24 passes through the rotating support plate 23, and the upper portion of the positioning shaft 24 is connected to the support platform upper plate 04, and the positioning shaft 24 rotates in the rotating support plate 23, and the upper surface of the rotating support plate 23 is in contact with the lower surface of the rectangular shield plate 13, and the support platform upper plate 04 is adapted to the rectangular shield plate 13. The supporting plate 04 is inserted into the rectangular shield plate 13, and the rotating support plate 23 is connected to the supporting platform upper plate 04 through the positioning shaft 24. At the same time, the rotating support plate 23 can be rotated. When the rectangular shield plate 13 blocks the device, the rotating support plate 23 is rotated so that the upper surface of the rotating support plate 23 is in contact with the lower surface of the rectangular shield plate 13. The rotating support plate 23 supports and positions the rectangular shield 13, preventing the rectangular shield 13 from sliding downward during the pipe pressure test. The rectangular shield 13 prevents the different performance of the pipe fittings due to the different metal elements constituting the pipe fittings during the pipe pressure test. Some metal pipe fittings are prone to splashing during the pressure test and are protected.

[0027] Example 5:

[0028] The installation steps of the present invention are as follows: first, insert the circular insert 17 into the circular positioning groove 05, insert the positioning core rod 18 into the middle socket 22, fit the lower surface of the positioning column 20 with the circular insert 17, connect the upper and lower ends of the vertical column 02 to the upper console 08 and the rectangular base plate 01 respectively, install the hydraulic cylinder 09 on the upper console 08, insert the support platform 03 into the inner hole 15 of the rectangular shield, pass the vertical guide rod 06 through the guide rod socket 16 to connect it to the support platform upper plate 04, connect the lower part of the support platform 03 to the rectangular base plate 01, and pass the positioning shaft rod 24 through the rotating support plate 23 to connect it to the support platform upper plate 04.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A pipe pressure testing machine suitable for pipes of different sizes, characterized by : It includes a rectangular base plate (01), a vertical column (02), a support platform (03), a support platform upper plate (04), a vertical guide rod (06), an upper control console (08), a press plate lower plate (12), a rectangular shield (13), a positioning column (20), a rotating support plate (23), and a positioning shaft (24). The lower part of the vertical column (02) is connected to the rectangular base plate (01), and the upper part of the vertical column (02) is connected to the upper control console (08). The four vertical columns (02) are distributed at the four corners of the rectangular base plate (01). The lower part of the hydraulic cylinder (09) is connected to the upper control console (08). The lower part of the hydraulic cylinder (09) has A hydraulic cylinder piston rod (10), the upper part of the pressing platform (11) is connected to the hydraulic cylinder piston rod (10), the lower part of the pressing platform (11) has a pressing platform lower pressing plate (12), the lower part of the support platform (03) is connected to the rectangular bottom plate (01), the upper part of the support platform (03) has a support platform upper plate (04), the support platform upper plate (04) has a circular positioning groove (05), the circular insert (17) is adapted to the circular positioning groove (05), the circular insert (17) is inserted into the circular positioning groove (05), the upper surface of the circular insert (17) is aligned with the upper surface of the support platform upper plate (04), and the upper part of the circular insert (17) has a positioning core rod (18).

2. A pipe pressure testing machine suitable for pipes of different sizes according to claim 1, characterized in that The upper portion of the positioning column (20) is provided with a positioning column upper rod (21), the positioning column upper rod (21) has an intermediate insertion hole (22), the positioning core rod (18) is adapted to the intermediate insertion hole (22), the positioning core rod (18) is inserted into the intermediate insertion hole (22), the lower surface of the positioning column (20) is fitted with the circular insert (17), the positioning column upper rod (21) is inserted into the pipe fitting, and the lower surface of the pipe fitting is fitted with the positioning column (20).

3. A pipe pressure testing machine suitable for pipes of different sizes according to claim 2, characterized in that : The upper part of the vertical guide rod (06) is connected to the support platform upper plate (04), four vertical guide rods (06) are distributed at the four corners of the support platform upper plate (04), the lower part of the vertical guide rod (06) has a guide rod lower plate (07), the rectangular shielding plate (13) has a guide rod socket (16), the vertical guide rod (06) is adapted to the guide rod socket (16), the vertical guide rod (06) is inserted into the guide rod socket (16), the vertical guide rod (06) slides in the guide rod socket (16), the rectangular shielding plate (13) has a rectangular shielding plate inner hole (15), the support platform (03) is inserted into the rectangular shielding plate inner hole (15), and the side of the rectangular shielding plate (13) is connected to the U-shaped handle (14).

4. A pipe pressure testing machine suitable for pipes of different sizes according to claim 3, characterized in that The upper portion of the positioning shaft (24) is connected to the upper plate (04) of the support platform, the positioning shaft (24) passes through the rotating support plate (23), the upper portion of the positioning shaft (24) is connected to the upper plate (04) of the support platform, and the positioning shaft (24) rotates in the rotating support plate (23).

5. The pipe pressure testing machine according to claim 4, which is suitable for pipes of different sizes, is characterized by: : The upper surface of the rotating support plate (23) is fitted with the lower surface of the rectangular shield (13), the upper plate (04) of the support table is adapted to the rectangular shield (13), and the upper plate (04) of the support table is inserted into the rectangular shield (13).

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