Auxiliary structure for arch rib lateral rotation construction

Abstract

The invention relates to the field of bridge engineering, in particular to an auxiliary structure for arch rib lateral rotation construction. The technical problems that in the prior art, round grooves are manually cleaned one by one, the cleaning difficulty is large, the cleaning effect is poor, and meanwhile the accuracy of manual air tightness detection is low are solved. According to the technical scheme, the auxiliary structure for the lateral rotation construction of the arch rib comprises a connecting rod and a cover plate installed on the connecting rod; dust, chippings and other impurities in the circular groove where the positioning ring is located are sucked into the treatment box through the air suction pipe, and cleaning of the impurities in the circular groove is achieved; lubricating oil is evenly smeared to the upper surface and the side face of the tetrafluoroethylene sliding piece through the bottom face hole and the side face hole, contact between the lubricating oil and the outside is reduced, doping of impurities is reduced, it is ensured that the lubricating oil is evenly smeared to the outer side face of the tetrafluoroethylene sliding piece, the service life of the tetrafluoroethylene sliding piece is prolonged, and the manual operation difficulty is reduced.

Description

Technical Field

[0001] This invention relates to the field of bridge engineering, and more particularly to an auxiliary structure for lateral rotation construction of arch ribs. Background Technology

[0002] During the lateral rotation of the arch rib, a pivot hinge capable of bearing enormous weight and rotating needs to be installed on the pier. The pivot hinge rotates mainly through the relative sliding of the upper and lower ball joints. During the installation of the upper and lower ball joints, a large number of circular grooves are opened on the surface of the lower ball joint. A metal disc needs to be placed in each circular groove, and then a PTFE slide is placed on the surface of the metal disc. Before placing the PTFE slide, the circular grooves need to be cleaned, and the PTFE slide needs to be checked for cracks or pores (if cracks or pores are not found, the PTFE slide may be damaged or even ineffective during the bridge rotation, which may lead to problems with the bridge rotation). Furthermore, before placement, workers need to clean each circular groove one by one, which is difficult and the cleaning effect is poor.

[0003] Meanwhile, when manually placing the PTFE slider, there may be deviations in its placement. Furthermore, when a person comes into contact with the PTFE slider, dust and impurities may re-adhere to the PTFE slider, affecting its subsequent normal use. Summary of the Invention

[0004] To overcome the shortcomings of existing methods that involve manually cleaning each circular groove one by one, which is difficult and ineffective, and also results in low accuracy of manual airtightness testing, this invention provides an auxiliary structure for the construction of lateral rotation of arch ribs.

[0005] Technical Solution: An auxiliary structure for lateral rotation construction of an arch rib includes a connecting rod and a cover plate mounted on the connecting rod; a supporting shell is mounted on the cover plate; a material discharge cylinder is also included; the material discharge cylinder is movably connected to the inner side of the supporting shell; a limit rod is slidably connected to the connecting rod; a driving unit is provided on the lower side of the supporting shell; two venting plates for airtightness testing of the PTFE sliding plate are connected to the driving unit; a sealing plate is connected to the driving unit, and the venting plates are located directly above the sealing plate; a pushing plate for pushing the material discharge is connected to the driving unit; a sealed space is formed by the cooperation of the supporting shell, the venting plates, and the sealing plate; an air suction pipe for cleaning the groove corresponding to the positioning ring is installed on the supporting shell; a processing chamber is provided on the upper side of the supporting shell; the air suction pipe is connected to the processing chamber; a barometer is installed on the supporting shell, and the barometer is connected to the sealed space through a pipe.

[0006] Optionally, the drive unit includes a first electric track, a second electric track, and a first drive component; two first electric tracks and two second electric tracks are respectively installed on the lower side of the support housing; the two first electric tracks are respectively connected to adjacent vent plates; the two second electric tracks are respectively connected to adjacent sealing plates; a first drive component is provided inside the connecting rod; the output end of the first drive component is connected to the push plate.

[0007] Optionally, a number of limiting blocks are equidistantly arranged from top to bottom on the inner wall of the discharge cylinder, and the distance between adjacent upper and lower limiting blocks is equal to the thickness of the PTFE sliding plate.

[0008] Alternatively, two venting plates can form a complete circle, and two sealing plates can also form a complete circle.

[0009] Optionally, the outer diameter of the positioning ring is equal to the diameter of the circular groove where the PTFE slider is located.

[0010] Optionally, the diameter of the inner ring of the positioning ring is larger than the diameter of the PTFE slider.

[0011] Optionally, it also includes an oiling assembly, which includes a drive unit, an oiling ring, and ejector blocks; a set of drive units is installed on the lower side of the support housing; an oiling ring is installed on the drive unit; and three ejector blocks are arranged in a ring array on the inner side of the oiling ring.

[0012] Optionally, the drive unit includes a slide rail, an electric slider, and a second drive component; the slide rail is fixed to the inner wall of the support housing; several electric sliders are mounted on the slide rail; each of the several electric sliders is mounted with a second drive component; the telescopic ends of all the second drive components are connected to an oiling ring.

[0013] Optionally, the inner diameter of the oiled ring is larger than the diameter of the tetrafluoroethylene slider.

[0014] Optionally, the bottom surface of the ejector block has a bottom hole, and a scraper is provided on the lower side of the ejector block, with a side hole on the scraper.

[0015] The beneficial effects of the present invention are: the present invention uses a suction pipe to suck dust, debris and other impurities in the circular groove where the positioning ring is located into the processing box, thereby cleaning the impurities in the circular groove;

[0016] By combining the breathable plate and the sealing plate, the airtightness of the PTFE sliding plate can be tested without the need for manual visual inspection, resulting in faster and more accurate testing.

[0017] Lubricating oil is evenly applied to the upper and side surfaces of the PTFE slide by using bottom holes and side holes to reduce the contact between the lubricating oil and the outside environment, reduce the introduction of impurities, and at the same time ensure that the lubricating oil is evenly applied to the outer surface of the PTFE slide, thereby extending the service life of the PTFE slide and reducing the difficulty of manual operation. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the auxiliary structure used for the lateral rotation construction of the arch rib according to the present invention;

[0019] Figure 2 This is a sectional view of the auxiliary structure used for the lateral rotation construction of the arch rib according to the present invention;

[0020] Figure 3 This is a three-dimensional structural diagram of the combination of the limiting block and the limiting rod of the present invention;

[0021] Figure 4 This is a three-dimensional structural diagram of the combination of the breathable plate and the sealing plate of the present invention;

[0022] Figure 5 This is a three-dimensional structural diagram of the oiling component of the present invention;

[0023] Figure 6 This is a cross-sectional view of the oiling ring and ejector block assembly of the present invention;

[0024] Figure 7 This is a cross-sectional view of the extrusion block of the present invention.

[0025] The markings in the attached diagram are: 1-connecting rod, 2-cover plate, 3-support shell, 3001-positioning ring, 3002-air inlet pipe, 4-PTFE sliding plate, 101-discharge cylinder, 10101-limiting block, 102-limiting rod, 103-first electric track, 104-ventilation plate, 105-second electric track, 106-sealing plate, 107-suction pipe, 108-processing box, 109-barometer, 110-first driving component, 111-push plate, 201-slide rail, 202-electric slider, 203-second driving component, 204-oiling ring, 205-ejection block, 20501-bottom hole, 20502-scraper, 20503-side hole. Detailed Implementation

[0026] The embodiments of the present invention will be described below with reference to the accompanying drawings.

[0027] Example 1

[0028] An auxiliary structure for lateral rotation construction of an arch rib, such as Figures 1-4 As shown, it includes a connecting rod 1 and a cover plate 2; the cover plate 2 is installed on the connecting rod 1; and a supporting shell 3 is installed on the cover plate 2.

[0029] It also includes a discharge cylinder 101, a limiting rod 102, a drive unit, a vent plate 104, a sealing plate 106, a suction pipe 107, a processing chamber, a barometer 109, and a pusher plate 111; the discharge cylinder 101 is movably connected to the inner side of the support housing 3, and the inner wall of the discharge cylinder 101 is provided with several limiting blocks 10101 for placing the PTFE sliding plate 4 from top to bottom; the limiting rod 102 is slidably connected to the connecting rod 1, and the limiting rod 102 can be directly pulled out from the connecting rod 1; a drive unit is provided on the lower side of the support housing 3; drive Two venting plates 104 are connected to the unit; a sealing plate 106 is connected to the drive unit, and the venting plates 104 are located directly above the sealing plate 106; a pusher plate 111 is connected to the drive unit; a sealed space is formed by the cooperation of the supporting shell 3, the venting plates 104 and the sealing plate 106; an air intake pipe 107 is installed on the supporting shell 3; a processing chamber is provided on the upper side of the supporting shell 3; the air intake pipe 107 is connected to the processing chamber; a barometer 109 is installed on the supporting shell 3, and the barometer 109 is connected to the sealed space through a pipe.

[0030] The drive unit includes a first electric track 103, a second electric track 105, and a first drive component 110. Two first electric tracks 103 and two second electric tracks 105 are respectively installed on the lower side of the support housing 3. The two first electric tracks 103 are respectively connected to adjacent vent plates 104. The two second electric tracks 105 are respectively connected to adjacent sealing plates 106. The movement of the vent plates 104 and sealing plates 106 is controlled by the first electric tracks 103 and the second electric tracks 105 respectively, so as to realize the opening and sealing of the sealed space and ensure that the PTFE sliding plate 4 can fall smoothly into the positioning ring 3001 after the airtightness is tested. The first drive component 110 is provided in the connecting rod 1. The first drive component 110 is an electric push rod. The output end of the first drive component 110 is connected to the push plate 111.

[0031] Two vent plates 104 can form a complete circle, and two sealing plates 106 can also form a complete circle; the diameters of the two circles formed by the vent plates 104 and the sealing plates 106 are both larger than the diameter of the PTFE sliding plate 4; several air holes are opened on the circle formed by the two vent plates 104, and the PTFE sliding plate 4 can completely cover the air holes on the vent plates 104.

[0032] The outer diameter of the positioning ring 3001 is equal to the diameter of the circular groove where the PTFE slider 4 is located, ensuring that the PTFE slider 4 can accurately fall into the circular groove.

[0033] The diameter of the inner ring of the positioning ring 3001 is larger than the diameter of the PTFE slider 4, ensuring that the PTFE slider 4 falls smoothly.

[0034] During the lateral rotation of the arch rib, a pivot hinge capable of bearing enormous weight and rotating needs to be installed on the pier. The pivot hinge rotates primarily through the relative sliding of the upper and lower ball joints. During the installation of the upper and lower ball joints, numerous circular grooves are created on the surface of the lower ball joint. A metal disc needs to be placed in each circular groove, and then a PTFE (polytetrafluoroethylene) slide plate 4 is placed on the surface of the metal disc. Before placing the PTFE slide plate 4, the circular grooves need to be cleaned, and the PTFE slide plate 4 needs to be checked for cracks or pores (if no cracks or pores are found, the PTFE slide plate 4 may be damaged or even rendered ineffective during bridge rotation, leading to problems with the bridge rotation). Furthermore, before placement, workers need to clean each circular groove individually, which is difficult and ineffective. Additionally, manual placement of the PTFE slide plate 4 may result in placement errors, and when workers come into contact with the PTFE slide plate 4, dust and impurities may re-adhere to it, affecting its subsequent normal use.

[0035] To solve the above problems, before starting work, first pull the limiting rod 102 out of the connecting rod 1, then open the cover plate 2, take out the feeding cylinder 101 from the support shell 3, and set the feeding cylinder 101 to be openable. Manually open the feeding cylinder 101 in half, and then place the PTFE slides 4 between the upper and lower adjacent limiting blocks 10101 in sequence. After feeding is completed, close the feeding cylinder 101 and put it back into the support shell 3. Then close the cover plate 2, and finally reinsert the limiting rod 102 into the connecting rod 1. At the same time, since the PTFE slides 4 have a round hole in the middle and the diameter of the round hole is the same as the diameter of the limiting rod 102, the limiting rod 102 passes through the round holes of all the PTFE slides 4, realizing the secondary fixation and limiting of the PTFE slides 4, and completing the feeding.

[0036] During operation, the user holds the handles on the upper part of the connecting rod 1 with both hands, precisely locking the positioning ring 3001 into the circular groove. Then, the user controls the first driving component 110 to drive the pushing plate 111 downwards, causing the pushing plate 111 to press the uppermost PTFE slide plate 4. At the same time, the lowermost PTFE slide plate 4 moves downwards under the pressure from above, pressing the corresponding limiting block 10101 and causing the limiting block 10101 to retract into the discharge cylinder 101. When the lowermost PTFE slide plate 4 separates from the limiting block 10101, it automatically falls onto the two vent plates 104, completely covering the air holes on the two vent plates 104 (at this time, the PTFE slide plate 4, the vent plates 104, the supporting shell 3, and the cover plate 2 form a closed space). After the PTFE slide plate 4 falls onto the two vent plates 104, the sealing plate 106 closes simultaneously, and then the processing box 108 begins to suck in air through the suction pipe 1. 07. Dust, debris, and other impurities in the circular groove where the positioning ring 3001 is located are sucked into the treatment box 108 to clean the impurities in the circular groove. At the same time, a micro pump connected to the air inlet pipe 3002 introduces clean gas into the support shell 3. At this time, the air holes on the vent plate 104 are blocked by the PTFE sliding plate 4, and the inside of the support shell 3 is in a sealed state. As the gas is continuously introduced, the air pressure inside the support shell 3 gradually increases. If there are cracks or holes in the PTFE sliding plate 4 on the vent plate 104, the gas will enter the space formed by the vent plate 104 and the sealing plate 106 through the air holes on the vent plate 104, and then enter the barometer 109. When the reading of the barometer 109 changes significantly, it indicates that the airtightness of the PTFE sliding plate 4 is unqualified. This method is different from the manual on-site visual inspection operation in the existing technology and can achieve faster and more accurate detection results.

[0037] After the inspection is completed, the first electric track 103 and the second electric track 105 drive the vent plate 104 and the sealing plate 106 to open respectively. The PTFE slide plate 4 automatically falls into the positioning ring 3001, which means that the PTFE slide plate 4 falls into the corresponding groove, completing the entire feeding process. This achieves the positioning and placement of the PTFE slide plate 4. The entire process only requires placing the positioning ring 3001 in the corresponding circular groove to achieve the entire process of cleaning, pore detection and feeding. The operation is simple and the efficiency is effectively improved.

[0038] Example 2

[0039] Based on Example 1, such as Figures 5-7As shown, it also includes an oiling assembly, which includes a drive unit, an oiling ring 204, and an ejector block 205; a set of drive units are installed on the lower side of the support housing 3; an oiling ring 204 is installed on the drive unit; three ejector blocks 205 are arranged in a ring array on the inner side of the oiling ring 204, and the bottom surface of the ejector block 205 is provided with a bottom hole 20501, and a scraper 20502 is provided on the lower side of the ejector block 205, and a side hole 20503 is provided on the scraper 20502.

[0040] The drive unit includes a slide rail 201, an electric slider 202, and a second drive component 203; the slide rail 201 is fixed to the inner wall of the support housing 3; three electric sliders 202 are mounted on the slide rail 201; each of the three electric sliders 202 is mounted with a second drive component 203, which is an electric push rod; the telescopic ends of all the second drive components 203 are connected to the oiling ring 204.

[0041] The inner diameter of the oil-coated ring 204 is larger than the diameter of the tetrafluoroethylene slider 4, which allows the tetrafluoroethylene slider 4 to fall smoothly.

[0042] After placing the PTFE sliders 4 one by one into the circular grooves, lubricant needs to be applied to the surface and sides of the PTFE sliders 4 (the sides refer to the position between the PTFE slider 4 and the inside of the circular groove, and the diameter of the PTFE slider 4 is slightly smaller than the diameter of the circular groove). Currently, lubricant is applied manually, but manual application of lubricant has problems such as difficulty in applying lubricant to gaps, impurities in the lubricant, and inconsistent application thickness, which affect the lubrication effect.

[0043] To solve the above problems, when the PTFE slide plate 4 slides down, the second driving member 203 drives the oiling ring 204 to move to the lower end face of the discharge cylinder 101 and contact it. Due to the downward pressure of the first driving member 110, the lowest PTFE slide plate 4 is squeezed out of the block 205 and smoothly passes through the oiling ring 204, falling onto the upper surface of the vent plate 104. Before completing the airtightness test, the second driving member 203 drives the oiling ring 204 to descend, so that the bottom hole 20501 contacts the edge of the upper surface of the PTFE slide plate 4, and the scraper 20502 contacts the PTFE slide plate. 4. The outer surface contacts the lubricant, which then enters the push-out block 205 through the oil inlet hole and flows from the bottom hole 20501 and the side hole 20503 to the upper and outer surfaces of the PTFE slide plate 4. At the same time, the electric slider 202 slides in a circle along the slide rail 201, which can evenly coat the upper and side surfaces of the PTFE slide plate 4. This completes the entire oiling process. The whole process can reduce the contact between the lubricant and the outside world, reduce the introduction of impurities, and ensure that the lubricant is evenly coated on the outer surface of the PTFE slide plate 4, extend the service life of the PTFE slide plate 4, and reduce the difficulty of manual operation.

[0044] The present application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of the present application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of the present application. Therefore, the content of this specification should not be construed as a limitation of the present application.

Claims

1. An auxiliary structure for lateral rotation construction of an arch rib, comprising a connecting rod (1) and a cover plate (2) mounted on the connecting rod (1); a supporting shell (3) is mounted on the cover plate (2); characterized in that: It also includes a discharge cylinder (101); the discharge cylinder (101) is movably connected to the inside of the support shell (3); a limit rod (102) is slidably connected to the connecting rod (1); a drive unit is provided on the lower side of the support shell (3); two vent plates (104) for airtightness testing of the PTFE sliding plate (4) are connected to the drive unit; a sealing plate (106) is connected to the drive unit, and the vent plates (104) are located directly above the sealing plate (106); a useful... A pusher plate (111) for pushing the material; a sealed space is formed by the cooperation of the supporting shell (3), the vent plate (104) and the sealing plate (106); an air suction pipe (107) for cleaning the groove corresponding to the positioning ring (3001) is installed on the supporting shell (3); a processing chamber is provided on the upper side of the supporting shell (3); the air suction pipe (107) is connected to the processing chamber; a barometer (109) is installed on the supporting shell (3), and the barometer (109) is connected to the sealed space through a pipe.

2. The auxiliary structure for lateral rotation construction of an arch rib according to claim 1, characterized in that: The drive unit includes a first electric track (103), a second electric track (105), and a first drive element (110); two first electric tracks (103) and two second electric tracks (105) are respectively installed on the lower side of the support housing (3); the two first electric tracks (103) are respectively connected to the adjacent vent plate (104); the two second electric tracks (105) are respectively connected to the adjacent sealing plate (106); the first drive element (110) is provided inside the connecting rod (1); the output end of the first drive element (110) is connected to the push plate (111).

3. The auxiliary structure for lateral rotation construction of an arch rib as described in claim 1, characterized in that: The inner wall of the feeding cylinder (101) is provided with several limiting blocks (10101) at equal intervals from top to bottom, and the distance between adjacent limiting blocks (10101) is equal to the thickness of the tetrafluoroethylene sliding plate (4).

4. The auxiliary structure for lateral rotation construction of an arch rib according to claim 2, characterized in that: Two venting plates (104) can form a complete circle, and two sealing plates (106) can also form a complete circle.

5. The auxiliary structure for lateral rotation construction of an arch rib according to claim 1, characterized in that: The outer diameter of the positioning ring (3001) is equal to the diameter of the circular groove where the PTFE slider (4) is located.

6. The auxiliary structure for lateral rotation construction of an arch rib according to claim 5, characterized in that: The diameter of the inner ring of the positioning ring (3001) is larger than the diameter of the tetrafluoroethylene slider (4).

7. The auxiliary structure for lateral rotation construction of an arch rib according to claim 1, characterized in that: It also includes an oiling assembly, which includes a drive unit, an oiling ring (204), and an ejector block (205); A set of drive units is installed on the underside of the supporting housing (3); an oiling ring (204) is installed on the drive unit; The inner ring of the oiling ring (204) is provided with three push-out blocks (205).

8. The auxiliary structure for lateral rotation construction of an arch rib according to claim 7, characterized in that: The drive unit includes a slide rail (201), an electric slider (202), and a second drive component (203); the slide rail (201) is fixed to the inner wall of the support housing (3); several electric sliders (202) are installed on the slide rail (201); a second drive component (203) is installed on each of the several electric sliders (202); the telescopic ends of all the second drive components (203) are connected to the oiling ring (204).

9. An auxiliary structure for lateral rotation construction of an arch rib according to claim 8, characterized in that: The inner diameter of the oil-coated ring (204) is larger than the diameter of the tetrafluoroethylene slider (4).

10. An auxiliary structure for lateral rotation construction of an arch rib according to claim 7, characterized in that: The bottom surface of the ejector block (205) is provided with a bottom hole (20501), and a scraper (20502) is provided on the lower side of the ejector block (205). The scraper (20502) is provided with a side hole (20503).

Images