Thermal insulation pipe support overall strength displacement overload test device and method

Abstract

The present invention relates to the field of pipe support testing technology, specifically to an insulated pipe support overall strength displacement overload testing device and method, comprising a bearing base, and also comprising a pipe support base arranged on the upper side of the bearing base, a connecting pipe support being installed on the upper end of the pipe support base, a clamping plate being clamped on the upper side of the bearing base, a rotating shaft being provided through the clamping plate, a connecting gear being clamped and connected to the bottom end of the rotating shaft, and an annular groove being provided on the upper edge of the bearing base. The present invention can perform axial and radial strength tests on the pipe support during the displacement overload test, has low limitations in use, and a high degree of automation, significantly improving the efficiency of testing the insulated pipe support, and can prevent the pipe support from breaking and causing injuries from broken objects during the pipe support displacement overload test, has a good safety protection function, is highly safe to use, and also realizes a step-by-step disassembly function of the displacement overload test structure, so as to facilitate barrier-free maintenance of the test structure.

Description

Technical Field

[0001] The present invention relates to the technical field of pipe support testing, and in particular to a device and method for testing the overall strength, displacement and overload of a thermal insulation pipe support. Background Art

[0002] The thermal insulation pipe support is a special device used to support the piping system and reduce heat transfer. It is mainly used for industrial pipelines under high or low temperature conditions, such as in the fields of petrochemical, electric power, metallurgy and refrigeration. Its core function is to block the thermal bridge effect while bearing the weight of the tube and buffering mechanical vibration through structural design and material selection, thereby achieving energy saving and system safety. The overall strength displacement overload test device for the thermal insulation pipe support is a special testing equipment used to simulate the mechanical properties of the pipeline system under extreme working conditions. It is designed to evaluate the structural strength, displacement tolerance and failure mode of the thermal insulation pipe support under the action of super-design loads. The device verifies whether it meets the safety margin requirements of industry standards by applying multi-directional static or dynamic overload forces and simultaneously monitoring the deformation, stress distribution and displacement of the pipe support;

[0003] The patent with announcement number CN106769515A discloses an overall strength displacement overload test device and method for thermal insulation pipe supports. Various specifications of pipe support supports are equipped with matching saddle seats, and then assembled in a four-column hydraulic platform to test the strength of the pipe supports to ensure the compressive quality of the thermal insulation pipe supports. After the pipe supports are produced, they are subjected to strength testing, which is beneficial to improving product quality and ensuring product safety during use. However, the existing overall strength displacement overload test device for thermal insulation pipe supports has a relatively simple structure and function, relatively large usage limitations, and a low degree of automation when in use, which will reduce the displacement overload test efficiency of the device. For this reason, an overall strength displacement overload test device and method for thermal insulation pipe supports are proposed. Summary of the Invention

[0004] In response to the shortcomings of the existing technology, the present invention provides an insulated pipe support overall strength displacement overload testing device and method, which solves the technical problem proposed in the above background technology that the existing insulated pipe support overall strength displacement overload testing device has a relatively simple structure and function, relatively large usage limitations, and a low degree of automation, which reduces the displacement overload testing efficiency of the device.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] The device for testing the overall strength and displacement overload of a heat-insulating pipe support includes a bearing base and a pipe support base arranged on the upper side of the bearing base. A connecting pipe support is installed on the upper end of the pipe support base. A clamping plate is clamped on the upper side of the bearing base. A rotating shaft is penetrated by the clamping plate. A connecting gear is clamped and connected to the bottom end of the rotating shaft. An annular groove is provided on the upper edge of the bearing base, and an inner serrated ring is provided inside the annular groove.

[0007] The top of the movable frame is provided with a first movable frame, and the second movable frame is provided with a second movable frame.

[0008] A top plate is provided above the bearing base, a hydraulic cylinder is fixedly installed in the middle of the upper side of the top plate, the output end of the hydraulic cylinder is fixedly connected to a telescopic rod passing through the top plate, the bottom end of the telescopic rod is provided with a connecting frame plate, both ends of the connecting frame plate are fixedly connected to connecting slot columns, the lower sides of the two groups of connecting slot columns are provided with connecting vertical plates, and two groups of limit blocks are fixedly connected to the connecting vertical plates.

[0009] As a further solution of the present invention, the pipe support base is fixedly connected to the bearing base through a fixing bolt, a rotating motor is fixedly installed on the upper side of the clamping plate, and the rotating shaft is fixedly connected to the output end of the rotating motor, the rotating shaft is movably connected to the clamping plate, and a gear groove is opened on the bearing base, the gear groove is connected to the annular groove, and the connecting gear is located inside the gear groove, and the connecting gear is engaged with the inner serrated ring.

[0010] As a further solution of the present invention, the outer side of the connecting slot plate is fixedly installed with a first moving motor, and the first horizontal screw shaft passes through the connecting slot plate and is fixedly connected to the output end of the first moving motor, and the bottom of the moving plate is provided with a first screw hole, and the moving plate is threadedly connected to the first horizontal screw shaft through the first screw hole. The bottom of the moving plate is located inside the fixed slot plate, and both sides of the moving plate are fixedly connected to the side support plate, and the top of the moving plate is fixedly installed with a second moving motor, and the second horizontal screw shaft is fixedly connected to the output end of the second moving motor, the moving column is movably connected to the limiting ring plate, and the cross-sectional shape of the limiting ring plate is a mouth-shaped setting, and the limiting slide bar is movably connected to the limiting sleeve.

[0011] As a further solution of the present invention, the bottom end of the telescopic rod is fixedly connected with a sliding connecting block, a sliding groove is provided on the connecting frame plate, and the sliding connecting block is located on the inner side of the sliding groove. The connecting frame plate is shaped like a cross, and the four groups of limit blocks are all in contact with the connecting pipe support.

[0012] As a further solution of the present invention, the two sides of the supporting base are respectively fixedly connected with the first side frame body and the second side frame body, the bottom end of the first side frame body is fixedly installed with a lifting motor, the output end of the lifting motor is fixedly connected with a vertical screw shaft that passes through the first side frame body, the first lifting column is sleeved on the vertical screw shaft, the inner side of the second side frame body is fixedly connected with a limiting vertical rod, the limiting vertical rod is sleeved with a second lifting column, and a transparent baffle is fixedly connected between the first lifting column and the second lifting column.

[0013] As a further solution of the present invention, a lifting screw hole is formed through the first lifting column, and the first lifting column is threadedly connected to the vertical screw shaft through the lifting screw hole. The first lifting column is located on the inner side of the first side frame body. A lifting slide hole is formed through the second lifting column, and the second lifting column is movably connected to the limiting vertical rod through the lifting slide hole. The second lifting column is located on the inner side of the second side frame body, and the transparent baffle is located on the outer periphery of the top plate.

[0014] As a further solution of the present invention, a first bolt is provided through the connecting groove plate, the end of the first bolt is threadedly connected to a first nut, the upper end of the connecting groove plate is fixedly connected to the first connecting plate, the upper end of the connecting vertical plate is fixedly connected to the second connecting plate, a second bolt is provided through the connecting groove column, the end of the second bolt is threadedly connected to a second nut, four groups of mounting vertical rods are fixedly connected to the lower side edge of the top plate at equal intervals, the bottoms of the four groups of mounting vertical rods are fixedly sleeved with retaining rings, and the bottom ends of the four groups of mounting vertical rods are threadedly connected with third nuts.

[0015] As a further solution of the present invention, a first through hole is formed on the first connecting plate, and the first bolt is connected to the first connecting plate through the first through hole, the first connecting plate is matched with the connecting slot plate, a second through hole is formed on the second connecting plate, and the second bolt is connected to the second connecting plate through the second through hole, the connecting slot column is matched with the second connecting plate, four groups of bottom grooves are formed at equal intervals on the bottom of the bearing base, and four groups of third nuts are respectively located inside the four groups of bottom grooves, the four groups of retaining rings are all located on the upper side of the bearing base, the tops of the four groups of bottom grooves are all formed with connecting holes, and the four groups of mounting vertical rods are respectively located on the inner sides of the four groups of connecting holes.

[0016] The overall strength displacement overload test method of the thermal insulation pipe support is as follows:

[0017] Step 1: First, fix the pipe support base on the upper side of the bearing base through the fixing bolts, and make the four sets of limit blocks fit with the connecting pipe support. Then, start the second moving motor on the movable plate to drive the second horizontal screw shaft to rotate, thereby driving the movable column to move along the limit ring plate through the threaded connection between the second horizontal screw shaft and the movable column. Then, through the cooperation of the two sets of limit slide bars and the two sets of limit sleeves, the pressure plate continuously applies radial pressure to the pipe support.

[0018] Step 2: Start the rotating motor on the upper side of the card plate to drive the rotating shaft and the connecting gear to rotate together, thereby driving the connecting groove plate to rotate 90 degrees around the pipe support through the meshing connecting gear and the inner serrated ring, and then start the first moving motor on the connecting groove plate to drive the first horizontal screw shaft to rotate, thereby driving the moving plate to move laterally along the fixed groove plate through the threaded connection between the first horizontal screw shaft and the moving plate, and then start the second moving motor on the moving plate to drive the second horizontal screw shaft to rotate, thereby driving the moving column to move along the limiting ring plate through the threaded connection between the second horizontal screw shaft and the moving column, and then through the cooperation of the two sets of limiting slide bars and the two sets of limiting sleeves, the pressure plate continuously applies axial pressure to the pipe support;

[0019] Step 3: Start the hydraulic cylinder on the upper side of the top plate to drive the telescopic rod to extend downward, thereby driving the connecting frame plate to move downward, and then driving the connecting slot column and the connecting vertical plate to move downward together until they pass through the limit block to pressurize the pipe support to complete the displacement overload test process.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. Start the second moving motor on the moving plate to drive the second horizontal screw shaft to rotate, thereby driving the moving column to move along the limit ring plate through the threaded connection between the second horizontal screw shaft and the moving column, and then through the cooperation of the two sets of limit slide bars and the two sets of limit sleeves, the pressure plate continuously applies radial pressure to the pipe support, and then start the rotating motor on the upper side of the card plate to drive the rotating shaft and the connecting gear to rotate together, thereby driving the connecting groove plate to rotate 90 degrees around the pipe support through the meshing connecting gear and the inner serrated ring, and then start the hydraulic cylinder on the upper side of the top plate to drive the telescopic rod to extend downward, thereby driving the connecting frame plate to move downward, and then driving the connecting groove column and the connecting vertical plate to move downward together until they pass through the limit block to radially press the pipe support. When the cam is in contact with the guide rail, the second guide rail is rotated and the second guide rail is moved along the fixed guide rail when the cam is in contact with the guide rail.

[0022] 2. By starting the lifting motor at the bottom end of the first side frame, the vertical screw shaft is driven to rotate, thereby driving the first lifting column to move upward along the first side frame through the threaded connection between the vertical screw shaft and the first lifting column, and then the second lifting column is movably connected to the limit vertical rod in cooperation with the second side frame to drive the transparent baffle to move downward until the transparent baffle contacts the bearing base, which can prevent the pipe support from breaking and causing injury to people due to broken objects during the pipe support displacement overload test, has a good safety protection function, and is safe to use.

[0023] 3. First, screw the first nut off the first bolt, and then move the first bolt out from the inside of the first through hole. At this time, the first connecting plate can be separated from the connecting slot plate, so that the pressure plate can be removed from the device. Then, screw the second nut off the second bolt, and then move the second bolt out from the inside of the second through hole. At this time, the second connecting plate can be separated from the connecting slot column. Then, screw off the third nuts at the bottom ends of the four sets of mounting vertical rods respectively, so that the top plate can be away from the top of the bearing base, and remove the four sets of limit blocks, realizing the step-by-step disassembly function of the displacement overload test structure, so as to facilitate barrier-free maintenance of the test structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 Schematic diagram of the internal structure of the transparent baffle in the present invention;

[0026] Figure 3 Schematic diagram of the connection structure of the connecting slot plate in the present invention;

[0027] Figure 4 Schematic diagram of the connection structure of the inner serrated ring in the present invention;

[0028] Figure 5 Schematic diagram of the connection structure of the fixed slot plate in the present invention;

[0029] Figure 6 Schematic diagram of the connection structure of the connecting frame plate in the present invention;

[0030] Figure 7 Schematic diagram of the connection structure of the transparent baffle in the present invention;

[0031] Figure 8 It is a schematic diagram of the connection structure between the top plate and the supporting base in the present invention.

[0032] In the figure: 1. Bearing base; 2. Pipe support base; 3. Connecting pipe support; 4. Fixing bolt; 5. Annular groove; 6. Gear groove; 7. Clamping plate; 8. Rotating motor; 9. Rotating shaft; 10. Connecting gear; 11. Inner serrated ring; 12. Connecting groove plate; 13. Fixed groove plate; 14. First moving motor; 15. First horizontal screw shaft; 16. Moving plate; 17. First screw hole; 18. Side support plate; 19. Second moving motor; 20. Second horizontal screw shaft; 21. Moving column; 22. Pressure plate; 23. Second screw hole; 24. Limiting ring plate; 25. Limiting slide rod; 26. Limiting sleeve; 27. Top plate; 28. Hydraulic cylinder; 29. ​​Telescopic rod; 30. Sliding Connecting block; 31. Connecting frame plate; 32. Sliding groove; 33. Connecting groove column; 34. Connecting vertical plate; 35. Limiting block; 36. First side frame body; 37. Second side frame body; 38. Lifting motor; 39. Vertical screw shaft; 40. First lifting column; 41. Lifting screw hole; 42. Limiting vertical rod; 43. Second lifting column; 44. Lifting sliding hole; 45. Transparent baffle; 46. First connecting plate; 47. First through hole; 48. First bolt; 49. First nut; 50. Second connecting plate; 51. Second through hole; 52. Second bolt; 53. Second nut; 54. Installing vertical rod; 55. Retaining ring; 56. Third nut; 57. Bottom groove; 58. Connecting hole. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.

[0035] For examples, see Figures 1 to 8 The present invention provides an insulated pipe support overall strength displacement overload test device and method, the technical solution is as follows:

[0036] The overall strength displacement overload test device of the heat-insulating pipe support includes a bearing base 1, and also includes a pipe support base 2 arranged on the upper side of the bearing base 1. The upper end of the pipe support base 2 is installed with a connecting pipe support 3. The upper side of the bearing base 1 is clamped with a clamping plate 7, and a rotating shaft 9 is penetrated on the clamping plate 7. The bottom end of the rotating shaft 9 is clamped and connected with a connecting gear 10. An annular groove 5 is provided on the upper edge of the bearing base 1, and an inner serrated ring 11 is provided inside the annular groove 5. A connecting groove plate 12 is provided on the upper side of the inner serrated ring 11. The top of the connecting groove plate 12 is fixedly connected with a fixed groove plate 13. A first horizontal screw shaft 15 is penetrated on the fixed groove plate 13. A movable plate 16 is sleeved on the first horizontal screw shaft 15. A second horizontal screw shaft 2 is penetrated on the top of the movable plate 16. 0, a moving column 21 is sleeved on the second horizontal screw shaft 20, and the end of the moving column 21 is fixedly connected to a pressure plate 22. The top of the moving plate 16 is fixedly connected to a limiting ring plate 24, and two groups of limiting sleeves 26 are fixedly connected to the pressure plate 22. Two groups of limiting slide bars 25 are fixedly connected to the moving plate 16. A top plate 27 is provided above the bearing base 1, and a hydraulic cylinder 28 is fixedly installed in the middle of the upper side of the top plate 27. The output end of the hydraulic cylinder 28 is fixedly connected to a telescopic rod 29 that passes through the top plate 27, and a connecting frame plate 31 is provided at the bottom end of the telescopic rod 29. Both ends of the connecting frame plate 31 are fixedly connected with connecting slot columns 33. The lower sides of the two groups of connecting slot columns 33 are provided with connecting vertical plates 34, and two groups of limiting blocks 35 are fixedly connected to the connecting vertical plates 34.

[0037] The pipe support base 2 is fixedly connected to the bearing base 1 through a fixing bolt 4. A rotating motor 8 is fixedly installed on the upper side of the clamping plate 7, and the rotating shaft 9 is fixedly connected to the output end of the rotating motor 8. The rotating shaft 9 is movably connected to the clamping plate 7. A gear groove 6 is opened on the bearing base 1, and the gear groove 6 is connected to the annular groove 5. The connecting gear 10 is located inside the gear groove 6, and the connecting gear 10 is engaged with the inner serrated ring 11.

[0038] The outer side of the connecting slot plate 12 is fixedly installed with a first moving motor 14, and the first horizontal screw shaft 15 passes through the connecting slot plate 12 and is fixedly connected to the output end of the first moving motor 14. A first screw hole 17 is opened through the bottom of the moving plate 16, and the moving plate 16 is threadedly connected to the first horizontal screw shaft 15 through the first screw hole 17. The bottom end of the moving plate 16 is located inside the fixed slot plate 13, and side support plates 18 are fixedly connected on both sides of the moving plate 16. The top of the moving plate 16 is fixedly installed with a second moving motor 19, and the second horizontal screw shaft 20 is fixedly connected to the output end of the second moving motor 19. A second screw hole 23 is opened through the moving column 21, and the moving column 21 is threadedly connected to the second horizontal screw shaft 20 through the second screw hole 23. The moving column 21 is movably connected to the limiting ring plate 24, and the cross-sectional shape of the limiting ring plate 24 is a mouth-shaped setting, and the limiting slide bar 25 is movably connected to the limiting sleeve 26.

[0039] The bottom end of the telescopic rod 29 is fixedly connected with a sliding connecting block 30, a sliding groove 32 is opened on the connecting frame plate 31, and the sliding connecting block 30 is located on the inner side of the sliding groove 32. The shape of the connecting frame plate 31 is cross-shaped, and the four groups of limit blocks 35 are all in contact with the connecting pipe support 3.

[0040] In this embodiment, the cooperation between the sliding block 30 and the sliding groove 32 can prevent the radial and axial testing processes of the pipe support from being affected.

[0041] Specifically, by starting the second moving motor 19 on the moving plate 16 to drive the second horizontal screw shaft 20 to rotate, the moving column 21 is driven to move along the limit ring plate 24 through the threaded connection between the second horizontal screw shaft 20 and the moving column 21, and then the pressure plate 22 continuously applies radial pressure to the pipe support through the cooperation of the two sets of limit slide bars 25 and the two sets of limit sleeves 26, and then the rotating motor 8 on the upper side of the card plate 7 is started to drive the rotating shaft 9 and the connecting gear 10 to rotate together, thereby driving the connecting groove plate 12 to rotate 90 degrees around the pipe support through the meshing connecting gear 10 and the inner serrated ring 11, and then the hydraulic cylinder 28 on the upper side of the top plate 27 is started to drive the telescopic rod 29 to extend downward, thereby driving the connecting frame plate 31 to move downward, and then driving the connecting groove column 33 and the connecting vertical plate 34 to move downward together until they pass through the limit block 35 to The pipe support is radially pressurized, and then the first moving motor 14 on the connecting groove plate 12 is started to drive the first horizontal screw shaft 15 to rotate, thereby driving the moving plate 16 to move laterally along the fixed groove plate 13 through the threaded connection between the first horizontal screw shaft 15 and the moving plate 16. When the pressure plate 22 is in contact with the pipe support, the second moving motor 19 on the moving plate 16 is started to drive the second horizontal screw shaft 20 to rotate, thereby driving the moving column 21 to move along the limiting ring plate 24 through the threaded connection between the second horizontal screw shaft 20 and the moving column 21, and then through the cooperation of two sets of limiting slide bars 25 and two sets of limiting sleeves 26, the pressure plate 22 continuously applies axial pressure to the pipe support, which can perform axial and radial strength tests on the pipe support during the displacement overload test. It has low usage limitations and a high degree of automation, which significantly improves the testing efficiency of the thermal insulation pipe support.

[0042] The two sides of the supporting base 1 are respectively fixedly connected with the first side frame body 36 and the second side frame body 37. The bottom end of the first side frame body 36 is fixedly installed with a lifting motor 38. The output end of the lifting motor 38 is fixedly connected with a vertical screw shaft 39 that passes through the first side frame body 36. The first lifting column 40 is sleeved on the vertical screw shaft 39. The inner side of the second side frame body 37 is fixedly connected with a limiting vertical rod 42. The limiting vertical rod 42 is sleeved with a second lifting column 43. A transparent baffle 45 is fixedly connected between the first lifting column 40 and the second lifting column 43.

[0043] A lifting screw hole 41 is formed through the first lifting column 40, and the first lifting column 40 is threadedly connected to the vertical screw shaft 39 through the lifting screw hole 41. The first lifting column 40 is located on the inner side of the first side frame body 36. A lifting slide hole 44 is formed through the second lifting column 43, and the second lifting column 43 is movably connected to the limiting vertical rod 42 through the lifting slide hole 44. The second lifting column 43 is located on the inner side of the second side frame body 37, and the transparent baffle 45 is located on the outer periphery of the top plate 27.

[0044] Specifically, by starting the lifting motor 38 at the bottom end of the first side frame 36 to drive the vertical screw shaft 39 to rotate, the first lifting column 40 is driven to move upward along the first side frame 36 through the threaded connection between the vertical screw shaft 39 and the first lifting column 40, and then the second lifting column 43 is movably connected with the limiting vertical rod 42 in cooperation with the second side frame 37 to drive the transparent baffle 45 to move downward until the transparent baffle 45 contacts the supporting base 1, which can prevent the pipe support from breaking and causing injury to people due to broken objects during the pipe support displacement overload test, has a good safety protection function, and is safe to use.

[0045] A first bolt 48 is provided through the connecting groove plate 12, and the end of the first bolt 48 is threadedly connected to the first nut 49, the upper end of the connecting groove plate 12 is fixedly connected to the first connecting plate 46, the upper end of the connecting vertical plate 34 is fixedly connected to the second connecting plate 50, a second bolt 52 is provided through the connecting groove column 33, and the end of the second bolt 52 is threadedly connected to the second nut 53, and four groups of mounting vertical rods 54 are fixedly connected to the lower side edge of the top plate 27 at equal intervals, and the bottoms of the four groups of mounting vertical rods 54 are fixedly sleeved with retaining rings 55, and the bottom ends of the four groups of mounting vertical rods 54 are threadedly connected with third nuts 56.

[0046] A first through hole 47 is formed through the first connecting plate 46, and the first bolt 48 is connected to the first connecting plate 46 through the first through hole 47. The first connecting plate 46 fits with the connecting slot plate 12. A second through hole 51 is formed through the second connecting plate 50, and the second bolt 52 is connected to the second connecting plate 50 through the second through hole 51. The connecting slot column 33 fits with the second connecting plate 50. Four groups of bottom grooves 57 are formed at equal intervals at the bottom of the bearing base 1, and four groups of third nuts 56 are respectively located inside the four groups of bottom grooves 57. The four groups of retaining rings 55 are all located on the upper side of the bearing base 1. The tops of the four groups of bottom grooves 57 are all formed with connecting holes 58, and the four groups of mounting vertical rods 54 are respectively located on the inner sides of the four groups of connecting holes 58.

[0047] Specifically, first screw the first nut 49 off from the first bolt 48, and then move the first bolt 48 out from the inner side of the first through hole 47. At this time, the first connecting plate 46 is separated from the connecting slot plate 12, so that the pressure plate 22 can be removed from the device. Then, screw the second nut 53 off from the second bolt 52, and then move the second bolt 52 out from the inner side of the second through hole 51. At this time, the second connecting plate 50 is separated from the connecting slot column 33. Then, screw off the third nuts 56 at the bottom ends of the four sets of mounting vertical rods 54 respectively, so that the top plate 27 can be moved away from the top of the bearing base 1, and the four sets of limit blocks 35 are removed, realizing the step-by-step disassembly function of the displacement overload test structure, so as to perform barrier-free maintenance on the test structure.

[0048] Working principle: First, the staff fixes the pipe support base 2 on the upper side of the bearing base 1 through the fixing bolt 4, and makes the four groups of limit blocks 35 fit with the connecting pipe support 3. When the test device is in use, the second moving motor 19 on the moving plate 16 is started to drive the second horizontal screw shaft 20 to rotate, thereby driving the moving column 21 to move along the limiting ring plate 24 through the threaded connection between the second horizontal screw shaft 20 and the moving column 21, and then through the cooperation of the two groups of limiting slide bars 25 and the two groups of limiting sleeves 26, the pressure plate 22 continuously applies radial pressure to the pipe support, and then starts the rotating motor 8 on the upper side of the clamping plate 7 to drive the rotating shaft 9 and the connecting gear 10 to rotate together, thereby through the meshing connecting gear 10 and the inner serrated ring 11. The gear groove 6 and the annular groove 5 drive the connecting groove plate 12 to rotate 90 degrees around the pipe support, and then the hydraulic cylinder 28 on the upper side of the top plate 27 is started to drive the telescopic rod 29 to extend downward, thereby driving the connecting frame plate 31 to move downward under the cooperation of the sliding connecting block 30 and the sliding groove 32, and then driving the connecting groove column 33 and the connecting vertical plate 34 to move downward together until they pass through the limit block 35 to radially pressurize the pipe support, and then start the first moving motor 14 on the connecting groove plate 12 to drive the first horizontal screw shaft 15 to rotate, so that the side support plate 18 drives the moving plate 16 to move laterally along the fixed groove plate 13 through the threaded connection between the first horizontal screw shaft 15 and the moving plate 16. When the pressure plate 22 is in contact with the pipe support, the moving plate 16 is started. The second moving motor 19 drives the second horizontal screw shaft 20 to rotate, thereby driving the moving column 21 to move along the limiting ring plate 24 through the threaded connection between the second horizontal screw shaft 20 and the moving column 21, and then through the cooperation of the two sets of limiting slide bars 25 and the two sets of limiting sleeves 26, the pressure plate 22 continuously applies axial pressure to the pipe support, which can perform axial and radial strength tests on the pipe support during the displacement overload test. It has low usage limitations and a high degree of automation, which significantly improves the test efficiency of the heat-insulating pipe support. Secondly, during the test, by starting the lifting motor 38 at the bottom end of the first side frame 36 to drive the vertical screw shaft 39 to rotate, the first lifting column 4 is driven by the threaded connection between the vertical screw shaft 39 and the first lifting column 40. 0 moves upward along the first side frame body 36, and then the second side frame body 37 drives the transparent baffle 45 to move downward through the movable connection between the second lifting column 43 and the limit vertical rod 42, until the transparent baffle 45 contacts the bearing base 1, which can prevent the pipe support from breaking and causing injuries to people due to broken objects during the pipe support displacement overload test, has a good safety protection function, and is safe to use. Finally, when the device has damaged parts, first remove the first nut 49 from the first bolt 48, and then remove the first bolt 48 from the inner side of the first through hole 47. At this time, the first connecting plate 46 can be separated from the connecting groove plate 12, so that the pressure plate 22 can be removed from the device, and then the second nut 53 is removed from the second bolt 52.Then, remove the second bolt 52 from the inside of the second through hole 51. At this time, the second connecting plate 50 is separated from the connecting slot column 33. Then, screw and remove the third nuts 56 at the bottom ends of the four sets of mounting vertical rods 54, so that the top plate 27 can be moved away from the top of the supporting base 1. The four sets of limit blocks 35 are removed, realizing the step-by-step disassembly function of the displacement overload test structure, so that the test structure can be maintained without obstacles and the operation is completed.

[0049] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for testing the overall strength displacement overload of a heat-insulated pipe support, comprising a bearing base (1), characterized in that: It also includes a pipe support base (2) arranged on the upper side of the bearing base (1), a connecting pipe support (3) is installed on the upper end of the pipe support base (2), a clamping plate (7) is clamped on the upper side of the bearing base (1), a rotating shaft (9) is provided through the clamping plate (7), and a connecting gear (10) is fixedly connected to the bottom end of the rotating shaft (9), an annular groove (5) is provided on the upper edge of the bearing base (1), and an inner serrated ring (11) is provided inside the annular groove (5); A connecting groove plate (12) is provided on the upper side of the inner serrated ring (11), and a fixed groove plate (13) is fixedly connected to the top of the connecting groove plate (12), a first horizontal screw shaft (15) is provided through the fixed groove plate (13), a movable plate (16) is sleeved on the first horizontal screw shaft (15), a second horizontal screw shaft (20) is provided through the top of the movable plate (16), a movable column (21) is sleeved on the second horizontal screw shaft (20), and the end of the movable column (21) is fixedly connected to a pressure plate (22), a limiting ring plate (24) is fixedly connected to the top of the movable plate (16), two groups of limiting sleeves (26) are fixedly connected to the pressure plate (22), and two groups of limiting slide bars (25) are fixedly connected to the movable plate (16); A top plate (27) is provided above the bearing base (1), a hydraulic cylinder (28) is fixedly mounted in the middle of the upper side of the top plate (27), an output end of the hydraulic cylinder (28) is fixedly connected to a telescopic rod (29) penetrating the top plate (27), a connecting frame plate (31) is provided at the bottom end of the telescopic rod (29), both ends of the connecting frame plate (31) are fixedly connected to connecting slot columns (33), and connecting vertical plates (34) are provided on the lower sides of two groups of connecting slot columns (33), and two groups of limit blocks (35) are fixedly connected to the connecting vertical plates (34).

2. The device for testing the overall strength and displacement overload of the heat-insulated pipe support according to claim 1, characterized in that: The pipe support base (2) is fixedly connected to the bearing base (1) via a fixing bolt (4); a rotating motor (8) is fixedly mounted on the upper side of the clamping plate (7); and a rotating shaft (9) is fixedly connected to the output end of the rotating motor (8); the rotating shaft (9) is movably connected to the clamping plate (7); a gear groove (6) is provided on the bearing base (1); the gear groove (6) is connected to the annular groove (5); and a connecting gear (10) is located inside the gear groove (6); and the connecting gear (10) is meshed with the inner sawtooth ring (11).

3. The device for testing the overall strength and displacement overload of the heat-insulated pipe support according to claim 1, characterized in that: The outer side of the connecting slot plate (12) is fixedly mounted with a first moving motor (14), and the first horizontal screw shaft (15) passes through the connecting slot plate (12) and is fixedly connected to the output end of the first moving motor (14). A first screw hole (17) is provided through the bottom of the moving plate (16), and the moving plate (16) is threadedly connected to the first horizontal screw shaft (15) through the first screw hole (17). The bottom end of the moving plate (16) is located inside the fixed slot plate (13), and both sides of the moving plate (16) are fixedly connected with side support plates (18). A second moving motor (19) is fixedly installed on the top of the moving plate (16), and the second horizontal screw shaft (20) is fixedly connected to the output end of the second moving motor (19). A second screw hole (23) is opened through the moving column (21), and the moving column (21) is threadedly connected to the second horizontal screw shaft (20) through the second screw hole (23). The moving column (21) is movably connected to the limiting ring plate (24), and the cross-sectional shape of the limiting ring plate (24) is set in a square shape. The limiting slide rod (25) is movably connected to the limiting sleeve (26).

4. The device for testing the overall strength and displacement overload of a heat-insulated pipe support according to claim 1, characterized in that: The bottom end of the telescopic rod (29) is fixedly connected to a sliding connecting block (30), a sliding groove (32) is provided on the connecting frame plate (31), and the sliding connecting block (30) is located inside the sliding groove (32), the connecting frame plate (31) is shaped like a cross, and the four groups of limit blocks (35) are all fitted with the connecting pipe bracket (3).

5. The device for testing the overall strength and displacement overload of the heat-insulated pipe support according to claim 1 is characterized in that: The two sides of the supporting base (1) are respectively fixedly connected with a first side frame body (36) and a second side frame body (37); a lifting motor (38) is fixedly installed at the bottom end of the first side frame body (36); an output end of the lifting motor (38) is fixedly connected with a vertical screw shaft (39) passing through the first side frame body (36); a first lifting column (40) is sleeved on the vertical screw shaft (39); an inner side of the second side frame body (37) is fixedly connected with a limiting vertical rod (42); a second lifting column (43) is sleeved on the limiting vertical rod (42); and a transparent baffle (45) is fixedly connected between the first lifting column (40) and the second lifting column (43).

6. The device for testing the overall strength and displacement overload of the heat-insulated pipe support according to claim 5, characterized in that: The first lifting column (40) is provided with a lifting screw hole (41) through which the first lifting column (40) is threadedly connected to the vertical screw shaft (39) through the lifting screw hole (41). The first lifting column (40) is located on the inner side of the first side frame (36). The second lifting column (43) is provided with a lifting slide hole (44) through which the second lifting column (43) is movably connected to the limiting vertical rod (42) through the lifting slide hole (44). The second lifting column (43) is located on the inner side of the second side frame (37). The transparent baffle (45) is located on the outer periphery of the top plate (27).

7. The device for testing the overall strength and displacement overload of a heat-insulated pipe support according to claim 1, characterized in that: A first bolt (48) is provided through the connecting groove plate (12), and the end of the first bolt (48) is threadedly connected to a first nut (49). The upper end of the connecting groove plate (12) is fixedly connected to the first connecting plate (46), and the upper end of the connecting vertical plate (34) is fixedly connected to the second connecting plate (50). A second bolt (52) is provided through the connecting groove column (33), and the end of the second bolt (52) is threadedly connected to a second nut (53). Four groups of mounting vertical rods (54) are fixedly connected to the lower edge of the top plate (27) at equal intervals. The bottoms of the four groups of mounting vertical rods (54) are fixedly sleeved with retaining rings (55), and the bottom ends of the four groups of mounting vertical rods (54) are threadedly connected to third nuts (56).

8. The device for testing the overall strength and displacement overload of the heat-insulated pipe support according to claim 7, characterized in that: The first connecting plate (46) is provided with a first through hole (47), and the first bolt (48) is connected to the first connecting plate (46) through the first through hole (47). The first connecting plate (46) is matched with the connecting slot plate (12). The second connecting plate (50) is provided with a second through hole (51), and the second bolt (52) is connected to the second connecting plate (50) through the second through hole (51). The connecting slot column (33) is matched with the second connecting plate (50). The bottom of the supporting base (1) is provided with four groups of bottom grooves (57) at equal intervals, and the four groups of third nuts (56) are respectively located inside the four groups of bottom grooves (57). The four groups of retaining rings (55) are all located on the upper side of the supporting base (1). The tops of the four groups of bottom grooves (57) are provided with connecting holes (58), and the four groups of mounting vertical rods (54) are respectively located inside the four groups of connecting holes (58).

9. A method for testing the overall strength and displacement overload of a heat-insulated pipe support, applied to the device for testing the overall strength and displacement overload of a heat-insulated pipe support as claimed in any one of claims 1 to 8, characterized in that: The specific steps of using this test method are as follows: Step 1: First, the pipe support base (2) is fixedly mounted on the upper side of the bearing base (1) through the fixing bolt (4), and the four sets of limit blocks (35) are all fitted with the connecting pipe support (3), and then the second moving motor (19) on the moving plate (16) is started to drive the second horizontal screw shaft (20) to rotate, thereby driving the moving column (21) to move along the limit ring plate (24) through the threaded connection between the second horizontal screw shaft (20) and the moving column (21), and then the pressure plate (22) continuously applies radial pressure to the pipe support through the cooperation of the two sets of limit slide bars (25) and the two sets of limit sleeves (26); Step 2: Start the rotating motor (8) on the upper side of the card plate (7) to drive the rotating shaft (9) and the connecting gear (10) to rotate together, thereby driving the connecting groove plate (12) to rotate 90 degrees around the pipe support through the meshing connecting gear (10) and the inner sawtooth ring (11), and then start the first moving motor (14) on the connecting groove plate (12) to drive the first horizontal screw shaft (15) to rotate, thereby connecting the first horizontal screw shaft (15) with the moving plate (16) through the threaded connection belt The movable plate (16) moves laterally along the fixed groove plate (13), and then the second movable motor (19) on the movable plate (16) is started to drive the second horizontal screw shaft (20) to rotate, thereby driving the movable column (21) to move along the limiting ring plate (24) through the threaded connection between the second horizontal screw shaft (20) and the movable column (21), and then the pressure plate (22) continuously applies axial pressure to the pipe support through the cooperation of the two sets of limiting slide bars (25) and the two sets of limiting sleeves (26); Step 3: Start the hydraulic cylinder (28) on the upper side of the top plate (27) to drive the telescopic rod (29) to extend downward, thereby driving the connecting frame plate (31) to move downward, and then driving the connecting slot column (33) and the connecting vertical plate (34) to move downward together until they pass through the limit block (35) to pressurize the pipe support, thereby completing the displacement overload test process.

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