Force-measuring and height-adjusting plane swivel device capable of realizing rapid installation and installation method thereof

Abstract

The invention relates to a bridge swivel device, in particular to a force-measuring and height-adjusting plane swivel device capable of achieving rapid installation and an installation method thereof.A force-measuring and height-adjusting mechanism is arranged on a swivel flat hinge structure, a real-time monitoring function and a height-adjusting function are added, the stress condition of a swivel flat hinge in the swivel process can be monitored in real time, and the swivel flat hinge structure can be rapidly installed. Fault early warning and emergency management are carried out through real-time monitoring; the height adjusting function can solve the problem that the height of a swivel bridge floor is inconsistent with that of a butt-joint bridge floor due to settlement of a pier body; the slideway in the swivel device is optimized, the installation speed can be increased, the depth size of the foundation pit can be reduced, the overall cost of a project is further reduced, and the construction period is further shortened.

Description

Technical Field

[0001] The invention relates to a bridge swivel device, in particular to a force measuring height-adjusting plane swivel device capable of realizing rapid installation and an installation method thereof. Background Art

[0002] The swivel ball joint is the core of the rotation system of the swivel construction. The current swivel technology usually adopts an upper and lower spherical swivel structure. This structure has problems such as poor anti-overturning ability and difficulty in controlling unbalanced torque. The swivel flat hinge is an upper and lower plane structure, which can completely avoid this problem. However, the swivel flat hinge bears the complete vertical bearing capacity during the rotation process. If there is no force measurement function, it is impossible to know the force condition of the swivel flat hinge and the balance condition of the bridge during the rotation, which poses a construction hazard. In addition, after the installation of the swivel flat hinge is completed, it is necessary to continue pouring the pier body and the swivel bridge body. This process takes up to half a year or even more than a year; if there is a settlement problem due to the loose foundation pit pouring during the process, it is necessary to use a jack to lift the entire swivel bridge to support the structure after the rotation is completed, and adjust the swivel bridge deck to keep the same horizontal height as the docking bridge deck. This operation process is very complicated and poses a safety hazard. In addition, the slideway currently used generally requires a very deep foundation pit to be poured with concrete twice for installation, which is labor-intensive. Summary of the invention

[0003] In view of the above-mentioned problems existing in the existing swivel flat hinge during the swivel construction, the purpose of the present invention is to provide a force measuring and height-adjusting flat swivel device that can be quickly installed and an installation method thereof.

[0004] The objective of the present invention is achieved through the following technical solutions:

[0005] The swivel device of the present invention comprises an upper support platform, a swivel hinge, a lower support platform, a support leg and a slideway, wherein the upper seat plate of the swivel hinge is connected to the upper support platform, the lower seat plate of the swivel hinge is connected to the lower support platform, a plurality of support legs are arranged circumferentially between the upper support platform and the lower support platform, each of the support legs is located at the periphery of the swivel hinge, the upper end of each of the support legs is fixedly connected to the upper support platform, and the lower end of each of the support legs is slidably connected to the slideway installed on the lower support platform; it also includes a force measuring and height adjustment mechanism, the force measuring and height adjustment mechanism comprises a pressure sensor, an oil circuit, a pressure strain gauge, an air bag, a height adjustment injection pipeline and a blocking wire, the bottom surface of the lower seat plate is provided with a groove along the thickness direction, the pressure strain gauge of the pressure sensor is placed in the groove, an air bag is arranged in the lower seat plate above the groove, the oil circuit and the height adjustment injection pipeline are respectively opened on the lower seat plate, one end of the oil circuit is connected with the bottom of the groove, a monitoring medium is injected through the oil circuit, a monitoring medium film is formed between the pressure strain gauge and the bottom of the groove, A pressure sensor is installed at the other end of the oil circuit after the monitoring medium is injected; one end of the height adjustment injection pipeline is connected to the interior of the air bag and is located on the outside of the monitoring medium membrane, and the other end of the height adjustment injection pipeline is provided with a blocking wire, and the height adjustment medium is injected into the air bag through the height adjustment injection pipeline, thereby realizing the height adjustment of the swivel hinge; a slide plate is provided on the upper surface of the lower supporting platform at the periphery of the swivel hinge, and a plurality of slide groups are connected circumferentially on the lower surface of the slide plate, each slide group has two inner and outer slides, and the upper surface of the lower supporting platform is provided with embedded holes corresponding to the position of each slide, and each slide includes a height adjustment bolt and a bolt sleeve, and the bolt sleeve is fixed in the corresponding embedded hole, the lower end of the height adjustment bolt is threadedly connected to the bolt sleeve, and the upper end of the height adjustment bolt is fixed to the slide plate, and the height of the slide plate is adjusted by screwing the height adjustment bolt; the lower end of each of the support legs is slidably connected to the upper surface of the slide plate.

[0006] Wherein: the slide plate is an annular plate, and a stainless steel plate for sliding connection with the support legs is provided on the upper surface; the slide plate is respectively provided with vibration holes and adjustment bolt holes for height adjustment bolts to pass through.

[0007] The swivel flat hinge includes an upper seat plate, a slide plate, a pressure plate, a rubber plate, a lower seat plate and anchor bolts. The middle of the lower seat plate is recessed downward in the height direction, and the lower end of the upper seat plate is accommodated in the recess. A slide plate, a pressure plate and a rubber plate are sequentially arranged between the lower surface of the upper seat plate and the bottom surface of the recess from top to bottom. The air bag is located between the rubber plate and the bottom surface of the recess and is pressed on the pressure strain gauge. The upper end of the upper seat plate is fixedly connected to the upper support platform by anchor bolts, and the lower end of the lower seat plate is fixedly connected to the lower support platform by anchor bolts.

[0008] The middle part of the lower surface of the upper seat plate extends downward to form a protrusion, and the protrusion is inserted into the recess of the lower seat plate.

[0009] The swivel flat hinge includes an upper seat plate, a slide plate, an upper lining plate, a lower lining plate, a rubber plate, a lower seat plate and anchor bolts. The middle of the lower seat plate is recessed downward in the height direction. The recess accommodates an air bag, a rubber plate, a lower lining plate and an upper lining plate in sequence from bottom to top. The upper surface of the upper seat plate is fixedly connected to the upper support platform by anchor bolts. Slide plates are respectively provided between the lower surface of the upper seat plate and the upper surface of the upper lining plate and between the lower surface of the upper lining plate and the upper surface of the lower lining plate. The air bag is located between the rubber plate and the bottom surface of the recess and is pressed on the pressure strain gauge. The lower end of the lower seat plate is fixedly connected to the lower support platform by anchor bolts.

[0010] The lower surface of the upper seat plate is provided with an annular protrusion protruding downward, and the axial cross-section of the upper lining plate is "T"-shaped, the horizontal side of the "T" shape is located inside the annular protrusion, and the vertical side of the "T" shape is inserted into the recess of the lower seat plate.

[0011] The outer edge of the upper surface and / or the lower surface of the rubber plate is provided with a sealing ring for sealing.

[0012] The present invention provides a method for installing a force measuring and height-adjusting plane swivel device that can be installed quickly, comprising the following steps:

[0013] Step A, pouring the lower cap concrete to the designed elevation;

[0014] Step B, installing the lower seat plate in the swivel flat hinge on the lower support platform, and connecting the upper seat plate in the swivel flat hinge with the cast upper support platform with support legs;

[0015] Step C, reserving embedded holes on the upper surface of the lower cap concrete;

[0016] Step D, installing the bolt sleeve and the height adjustment bolt on the slide plate, performing a trial installation, and confirming that the embedded hole position is accurate;

[0017] Step E, placing the slide plate connected with the height adjustment bolt and the bolt sleeve in the pre-embedded hole, and then injecting glue into the pre-embedded hole to fix the bolt sleeve;

[0018] Step F, after installation, the height of the slide surface on the upper surface of the slide plate is adjusted by the height adjustment bolts so that the slide surface reaches the designed height.

[0019] Wherein: the specific operation of installing the lower seat plate in the swivel flat hinge on the lower support platform in step B is:

[0020] Step B1, casting a cushion stone while casting the lower cap, wherein the cushion stone is higher than the upper surface of the lower cap; and reserving a reserved hole for anchor bolts on the lower seat plate on the upper surface of the concrete of the lower cap;

[0021] Step B2, adjusting the height difference of the four corners of the pad stone to the process requirement, the height of the pad stone is higher than the design height, and the strength grade of the concrete used to cast the pad stone is not less than C50;

[0022] Step B3, installing the anchor bolts and sleeves on the lower base plate on the lower bearing platform on site, and performing a trial installation without epoxy resin mortar to confirm that the positions of the reserved holes are correct;

[0023] Step B4, roughening the surface of the cushion stone at the position where the support is in place, removing debris and accumulated water in the reserved hole, and soaking the surface of the cushion stone with water;

[0024] Step B5, wedge into the four corners of the lower seat plate with wedges, place and level the lower seat plate, adjust the lower surface of the lower seat plate to the designed elevation, leave a gap between the lower surface of the lower seat plate and the pad stone, and install a grouting template;

[0025] Step B6, pile all the mixed epoxy resin mortar in the center of the lower seat plate, slowly drop the lower seat plate into place, flatten the epoxy resin mortar by the weight of the lower seat plate, and check that the height difference of the four corners of the upper surface of the lower seat plate does not exceed the design requirement before the epoxy resin mortar solidifies;

[0026] Step B7, mix and evenly mix the non-shrinkage high-strength grouting material according to the calculated amount, fill the grouting material into the reserved hole by gravity grouting and tamp it until the grouting material is completely filled as can be seen from the edge gap of the lower seat plate.

[0027] After the slurry under the lower seat plate solidifies, remove the template and the four corner wedges, check whether there is any leakage, fill the leakage if necessary, fill the gap after the wedge block is pulled out with epoxy resin mortar, and tighten the anchor bolts on the lower seat plate; before the construction of the upper supporting platform of the swivel hinge, protective measures must be taken in the gap between the upper seat plate and the lower seat plate to prevent debris from entering the swivel hinge before the bridge rotates, so as to protect the sliding surface of the swivel hinge; after pouring the upper supporting platform, before the swivel hinge rotates, remove the anchor bolts connecting the upper seat plate and the lower seat plate in time to complete the installation.

[0028] The installation method of the swivel flat hinge of the structure is as follows:

[0029] A pressure sensor and a blocking wire are respectively installed on the lower seat plate;

[0030] Installing a pressure strain gauge in the groove on the bottom surface of the lower seat plate, and then installing an air bag on the pressure strain gauge;

[0031] Then, a rubber sheet is installed on the air bag, and a sealing ring is laid at the concave portion of the outer edge of the upper surface of the rubber sheet;

[0032] Installing a pressure plate on the rubber plate;

[0033] Installing a slide plate on the pressure plate;

[0034] Finally, the upper seat plate is connected to the lower seat plate.

[0035] Another installation method of the swivel hinge is:

[0036] A pressure sensor and a blocking wire are respectively installed on the lower seat plate;

[0037] Installing a pressure strain gauge in the groove on the bottom surface of the lower seat plate, and then installing an air bag on the pressure strain gauge;

[0038] Then, a rubber sheet is installed on the air bag, and a sealing ring is laid at the concave portion of the outer edge of the upper surface of the rubber sheet;

[0039] Installing a lower lining plate on the rubber plate;

[0040] A slide plate located at the lower layer is installed on the upper surface of the lower lining plate;

[0041] Installing an upper lining plate on the upper surface of the slide plate located at the lower layer;

[0042] A sliding plate located at an upper layer is installed on the upper surface of the upper lining plate;

[0043] Finally, the upper seat plate is connected to the lower seat plate.

[0044] The advantages and positive effects of the present invention are:

[0045] 1. The present invention has a force measurement function, which can monitor the force condition of the swivel hinge during the swivel process in real time, and perform fault warning and emergency management through real-time monitoring.

[0046] 2. The present invention has a height adjustment function, which can solve the problem of inconsistent heights between the rotating bridge deck and the butt bridge deck caused by pier settlement.

[0047] 3. Compared with the existing swivel device, the present invention greatly shortens the installation period, and since there is no need to cast the embedded positioning angle steel in advance and cast it twice, the excavation depth of the foundation pit can be reduced, which further shortens the overall period of the project and reduces the overall cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 A schematic diagram of a structure of a force measuring and height-adjusting plane rotating device of the present invention;

[0049] Figure 2 It is a schematic diagram of another structure of the force measuring and height-adjusting plane rotating device of the present invention;

[0050] Figure 3 It is a structural schematic diagram of a force measuring height adjustment mechanism in the force measuring height adjustment plane swivel device of the present invention;

[0051] Figure 4 A top view of the structure of the slideway of the present invention;

[0052] Figure 5 for Figure 4 A-A section view in FIG.

[0053] Figure 6 for Figure 4 The B-B section view in FIG.

[0054] Figure 7 for Figure 5 A partial enlarged view of point C in the middle;

[0055] Figure 8 for Figure 5 A partial enlarged view of point D in the middle;

[0056] Fig. 9 It is a structural schematic diagram of an existing rotating device;

[0057] Among them: 1 is the upper seat plate, 2 is the slide plate, 3 is the pressure plate, 4 is the rubber plate, 5 is the lower seat plate, 6 is the anchor bolt, 7 is the upper bearing platform, 8 is the lower bearing platform, 9 is the support foot, 10 is the slideway, 11 is the upper lining plate, 12 is the sealing ring, 13 is the lower lining plate, 14 is the pressure sensor, 15 is the oil circuit, 16 is the pressure strain gauge, 17 is the air bag, 18 is the height adjustment injection pipeline, 19 is the blocking wire, 20 is the height adjustment bolt, 21 is the vibration hole, 22 is the slideway plate, 23 is the stainless steel plate, 24 is the bolt sleeve, 25 is the embedded hole, 26 is the positioning angle steel, and 27 is the adjustment bolt hole. DETAILED DESCRIPTION

[0058] The present invention will be further described below in conjunction with the accompanying drawings.

[0059] Embodiment 1

[0060] like Figure 1As shown, the force measuring and height-adjusting plane swivel device of this embodiment that can be quickly installed includes an upper support platform 7, a swivel flat hinge, a lower support platform 8, a support leg 9, a slide 10 and a force measuring and height-adjusting mechanism, wherein the swivel flat hinge includes an upper seat plate 1, a slide plate 2, a pressure plate 3, a rubber plate 4, a lower seat plate 5 and an anchor bolt 6, the upper seat plate 1 is fixedly connected to the upper support platform 7 by a plurality of anchor bolts 6, and the lower seat plate 5 is fixedly connected to the lower support platform 8 by a plurality of anchor bolts 6; the middle of the lower seat plate 5 is recessed downward in the height direction, the middle part of the lower surface of the upper seat plate 1 extends downward to form a bulge, and the bulge is inserted In the depression of the lower seat plate 5, a slide plate 2, a pressure plate 3 and a rubber plate 4 are arranged in sequence from top to bottom between the lower surface of the upper seat plate 1 and the bottom surface of the depression, and a sealing ring 12 for sealing is arranged on the outer edge of the upper surface and / or lower surface of the rubber plate 4 (in this embodiment, a sealing ring 12 is arranged on the outer edge of the upper surface of the rubber plate 4); a plurality of legs 9 are arranged along the circumferential direction between the upper support platform 7 and the lower support platform 8, and each leg 9 is located at the periphery of the swivel flat hinge, and the upper end of each leg 9 is fixedly connected to the upper support platform 7, and the lower end of each leg 9 is slidably connected to the slideway 10 installed on the lower support platform 8. The swivel flat hinge of this embodiment is a single rotating surface, that is, a slide plate 2 is arranged between the lower surface of the upper seat plate 1 and the upper surface of the pressure plate 3.

[0061] like Figure 1 and Figure 3As shown, the force measurement and height adjustment mechanism of this embodiment includes a pressure sensor 14, an oil circuit 15, a pressure strain gauge 16, an air bag 17, a height adjustment injection pipeline 18 and a plug wire 19. A groove is provided on the bottom surface of the lower seat plate 5 along the thickness direction. The pressure strain gauge 16 of the pressure sensor 14 is placed in the groove. An air bag 17 is provided in the lower seat plate 5 above the groove. The air bag 17 is located between the rubber plate 4 and the bottom surface of the depression and presses on the pressure strain gauge 16. The oil circuit 15 and the height adjustment injection pipeline 18 are respectively opened on the lower seat plate 5. One end of the oil circuit 15 is connected to the bottom of the groove. The monitoring medium is injected through the oil circuit 15 to form a monitoring medium film between the pressure strain gauge 16 and the bottom of the groove. The other end of the oil circuit 15 is installed with the pressure sensor 14 after the monitoring medium is injected. The oil circuit 15 of this embodiment can be one or more. When there are multiple oil circuits 15, they are evenly arranged along the circumferential direction of the lower seat plate 5. Each oil circuit 15 is installed with a pressure sensor 14 after the monitoring medium is injected. The monitoring medium of this embodiment is silicone oil. One end of the height adjustment injection pipeline 18 is connected to the inside of the air bag 17 and is located outside the monitoring medium membrane. The other end of the height adjustment injection pipeline 18 is provided with a plugging wire 19. The height adjustment medium is injected into the air bag 17 through the height adjustment injection pipeline 18, thereby achieving the height adjustment of the swivel flat hinge. The height adjustment injection pipeline 18 of this embodiment can be one or more. When there are multiple height adjustment injection pipelines 18, they are evenly arranged along the circumferential direction of the lower seat plate 5; the specific number of height adjustment injection pipelines 18 depends on the number of times the swivel flat hinge needs to be adjusted during use. When there are multiple height adjustment injection pipelines 18 and oil circuits 15, each height adjustment injection pipeline 18 is alternately arranged with the oil circuits 15. The height adjustment medium of this embodiment is a single-component thermoplastic material, such as the low-density polyethylene resin (HP-LDPE) produced by Shanghai Yuanye Biotechnology Co., Ltd., with a density of 0.918 g / cm3, a melting point of 105-115°C, a solid at room temperature, and a liquid after heating; or it is a polymer prepolymer material of AB components, such as HC-5261AB produced by Shanghai Hecheng Polymer Technology Co., Ltd. Before filling, the AB components are liquids respectively, and after filling, the AB components are mixed and solidified into a solid. Regardless of whether the height adjustment medium is a single component or a two-component, the hardness IRHD after curing is less than 60, and the compressive strength is greater than 45MPa. The height adjustment medium of this embodiment is a polymer prepolymer material of AB components, with a hardness of 1RHD50 after curing, and a compressive strength of 60MPa.

[0062] This embodiment can monitor the stress condition of the swivel hinge during the rotation process in real time, and perform fault warning and emergency management through real-time monitoring; specifically: a sealed oil chamber channel (i.e., oil circuit 15) is designed in the lower seat plate 5, a set amount of hydraulic oil is poured into the oil circuit 15, and a pressure sensor 14 is installed at the external port of the oil circuit 15. The pressure exerted on the swivel hinge is transmitted to the pressure sensor 14 through the monitoring medium membrane, thereby realizing the force monitoring function; since the hydraulic oil in the oil circuit 15 is quantitative, the bearing capacity of the swivel hinge can be accurately reflected to the pressure sensor 14.

[0063] The height adjustment function of this embodiment can solve the problem of the height consistency between the rotating bridge deck and the docking bridge deck caused by the settlement of the pier body. Specifically, a height adjustment material injection channel (i.e., height adjustment injection pipeline 18) is designed in the lower seat plate 5. One end of this height adjustment material injection channel is connected to the air bag 17 placed in the inner cavity of the lower seat plate 5, and the other end is sealed with a plug wire 19. When the height adjustment operation is required, the plug wire 19 is removed, and the height adjustment medium is injected into the air bag 17 using a high-pressure pump. The air bag 17 has very high toughness and ductility. As the height adjustment medium is filled, the air bag 17 is expanded to fill the entire bottom of the inner cavity of the lower seat plate 5, thereby realizing the height adjustment of the rotating flat hinge.

[0064] like Figure 1 and Figures 4 to 8 As shown, in this embodiment, the upper surface of the lower support 8 of the outer periphery of the swivel flat hinge is provided with a slide plate 22, which is an annular plate, and the upper surface is provided with a stainless steel plate 23 for sliding connection with the support leg 9; the slide plate 22 is respectively provided with a vibrating hole 21 and an adjustment bolt hole 27 for the height adjustment bolt 20 to pass through. The lower surface of the slide plate 22 is connected with a plurality of slide groups along the circumferential direction, each slide group has two inner and outer slides 10, and the upper surface of the lower support 8 is provided with a pre-embedded hole 25 corresponding to the position of each of the slides 10, each slide 10 includes a height adjustment bolt 20 and a bolt sleeve 24, the bolt sleeve 24 is fixed in the corresponding pre-embedded hole 25, the lower end of the height adjustment bolt 20 is threadedly connected with the bolt sleeve 24, the upper end of the height adjustment bolt 20 is fixedly connected with the slide plate 22, and the height of the slide plate 22 is adjusted by screwing the height adjustment bolt 20; the lower end of each support leg 9 is slidably connected with the upper surface of the slide plate 22.

[0065] Embodiment 2

[0066] like Figure 2 As shown, the difference between this embodiment and embodiment one is that the swivel hinge of this embodiment is a double swivel surface, and the structure of the double swivel surface can further reduce the hidden danger of preventing the failure of rotation of a single swivel surface; the choice of the double swivel surface structure of this embodiment and the single swivel surface structure of embodiment one can be designed according to the tonnage of the swivel bridge and the actual working conditions.

[0067] The swivel flat hinge of this embodiment includes an upper seat plate 1, a slide plate 2, an upper lining plate 11, a lower lining plate 13, a rubber plate 4, a lower seat plate 5 and anchor bolts 6. The upper seat plate 1 is fixedly connected to the upper support platform 7 by multiple anchor bolts 6, and the lower seat plate 5 is fixedly connected to the lower support platform 8 by multiple anchor bolts 6; the middle of the lower seat plate 5 is recessed downward in the height direction, and the lower surface of the upper seat plate 1 is provided with an annular protrusion protruding downward. The axial section of the upper lining plate 11 is "T"-shaped, and the horizontal side of the "T" is located inside the annular protrusion, and the vertical side of the "T" is located inside the annular protrusion. The side is inserted into the depression of the lower seat plate 5, and the depression of the lower seat plate 5 contains the air bag 17, the rubber plate 4, the lower lining plate 13 and the upper lining plate 11 in sequence from bottom to top. The upper surface of the upper seat plate 1 is fixedly connected to the upper platform 7 by the anchor bolts 6. The slide plate 2 is respectively arranged between the lower surface of the upper seat plate 1 and the upper surface of the upper lining plate 11 and between the lower surface of the upper lining plate 11 and the upper surface of the lower lining plate 13. The upper surface of the upper lining plate 11 and the upper surface of the lower lining plate 13 are both provided with a slide plate groove, and the lower part of the slide plate 2 is accommodated in the slide plate groove. The rest is the same as the first embodiment.

[0068] The present invention provides a method for installing a force measuring and height-adjusting plane swivel device that can be installed quickly, comprising the following steps:

[0069] Step A, pouring concrete of the lower cap 8 to the designed elevation;

[0070] Step B, installing the lower seat plate 5 in the swivel flat hinge on the lower support 8, and connecting the upper seat plate 1 in the swivel flat hinge with the cast upper support 7 with the support legs 9;

[0071] Step C, pre-buried holes 25 are reserved on the upper surface of the concrete of the lower cap 8, the size and diameter of the pre-buried holes 25 meet the process requirements, and the center and diagonal position deviations of the pre-buried holes 25 shall not exceed the design requirements;

[0072] Step D, install the bolt sleeve 24 and the height adjustment bolt 20 on the slide plate 22 (i.e., the height adjustment bolt 20 passes through the adjustment bolt hole 27 and then is threadedly connected with the nut), and perform a trial installation to confirm that the embedded hole position 25 is accurate;

[0073] Step E, placing the slide plate 22 connected with the height adjustment bolt 20 and the bolt sleeve 24 in the embedded hole 25, and then injecting glue into the embedded hole 25 to fix the bolt sleeve 24;

[0074] Step F, after installation, the height of the slide surface on the upper surface of the slide plate 22 is adjusted by the height adjustment bolts 20 so that the slide surface reaches the designed height and meets the deviation requirements.

[0075] For the swivel flat hinge of embodiment 1, the installation method is as follows:

[0076] A pressure sensor 14 and a plugging wire 19 are respectively installed on both sides of the axial section of the lower seat plate 5;

[0077] A pressure strain gauge 16 is installed in the groove on the bottom surface of the lower seat plate 5, and an air bag 17 is installed on the pressure strain gauge 16;

[0078] Then, the rubber sheet 4 is installed on the air bag 17, and the sealing ring 12 is laid on the concave part of the outer edge of the upper surface of the rubber sheet 4;

[0079] Install the pressure plate 3 on the rubber plate 4;

[0080] Install the slide plate 2 on the pressure plate 3;

[0081] Finally, the upper seat plate 1 and the lower seat plate 5 are connected.

[0082] For the swivel hinge of the second embodiment, the installation method is as follows:

[0083] A pressure sensor 14 and a plugging wire 19 are respectively installed on both sides of the axial section of the lower seat plate 5;

[0084] A pressure strain gauge 16 is installed in the groove on the bottom surface of the lower seat plate 5, and an air bag 17 is installed on the pressure strain gauge 16;

[0085] Then, the rubber sheet 4 is installed on the air bag 17, and the sealing ring 12 is laid on the concave part of the outer edge of the upper surface of the rubber sheet 4;

[0086] Install the lower lining plate 13 on the rubber plate 4;

[0087] The slide plate 2 located at the lower layer is installed on the upper surface of the lower lining plate 13;

[0088] An upper lining plate 11 is installed on the upper surface of the slide plate 2 located at the lower layer;

[0089] The upper surface of the upper lining plate 11 is provided with a slide plate 2 located at the upper layer;

[0090] Finally, the upper seat plate 1 and the lower seat plate 5 are connected.

[0091] like Fig. 9As shown, the slide 10 before optimization is composed of a slide frame and a slide plate. The installation of this slide needs to be installed by pouring concrete in the foundation pit twice. The main reasons are two aspects: first, the slide frame is welded by multiple angle steel profiles, and the flatness of the overall bottom surface cannot be guaranteed. Direct installation cannot guarantee the flatness of the slide; second, if the slide is directly placed in the foundation pit for concrete pouring and fixing, there will be displacement and misalignment problems caused by uneven force during the pouring process. Therefore, the installation of this slide requires additional positioning angle steel 26 for pre-positioning, and then pouring again to complete the installation operation. The specific steps are: during the first pouring, the positioning angle steel 26 needs to be embedded in the concrete. After the concrete is dry, the slide is placed on the top surface of the first poured concrete, and the slide frame and the embedded positioning angle steel 26 are welded and fixed, and then the second pouring is performed to complete the slide installation.

[0092] The force measuring and height-adjusting plane swivel device capable of rapid installation of the present invention is mainly embodied in the optimized slideway structure. The present invention optimizes the slideway in the swivel device, which can not only increase the installation speed, but also reduce the depth of the foundation pit, further reducing the overall cost and construction period of the project.

[0093] The specific operation of installing the lower seat plate 5 in the swivel hinge on the lower support platform 8 in step B is as follows:

[0094] Step B1, while pouring the lower cap 8, pour the cushion stone together, the cushion stone is higher than the upper surface of the lower cap 8; reserve the anchor bolt reserved hole on the lower base plate 5 on the upper surface of the concrete of the lower cap 8;

[0095] Step B2, adjust the height difference of the four corners of the pad stone to the process requirements, the pad stone height should be lower than the design height, and the concrete strength grade of the cast pad stone should not be lower than C50;

[0096] Step B3, installing the anchor bolts 6 and sleeves on the lower base plate 5 on the lower pedestal 8 on site, and performing a trial installation without epoxy resin mortar to confirm that the positions of the reserved holes are correct;

[0097] Step B4, roughening the surface of the cushion stone where the support is in place, removing debris and accumulated water in the reserved hole, and soaking the surface of the cushion stone with water;

[0098] Step B5, wedge into the four corners of the lower seat plate 5 with wedges, place and level the lower seat plate 5, adjust the lower surface of the lower seat plate 5 to the designed elevation, leave a gap between the lower surface of the lower seat plate 5 and the pad stone, and install the grouting template;

[0099] Step B6, mix the components according to the calculated amount of epoxy resin mortar, pile all the mixed epoxy resin mortar in the center of the lower seat plate 5, slowly drop the lower seat plate 5 into place, and flatten the epoxy resin mortar by the weight of the lower seat plate 5. Note that the epoxy resin mortar cannot enter the reserved hole of the sleeve. Before the epoxy resin mortar solidifies, check that the height difference of the four corners of the upper surface of the lower seat plate 5 does not exceed the design requirements;

[0100] Step B7, mix and evenly mix the non-shrinkage high-strength grouting material according to the calculated amount, fill the grouting material into the reserved hole by gravity grouting and tamp it until the grouting material is completely filled as observed from the edge gap of the lower seat plate 5.

[0101] It should be noted that before grouting, the required slurry volume should be preliminarily calculated, and the actual amount of slurry poured should not have too large an error with the calculated value. The lack of slurry in the middle should be prevented, and the compressive strength of epoxy resin mortar should be not less than C50. After the slurry below the lower seat plate 5 solidifies, remove the template and the four corner wedges to check whether there is any leakage. If necessary, fill the leakage, and fill the gap after the wedge is pulled out with epoxy resin mortar, and tighten the anchor bolts 6 on the lower seat plate 5; before the construction of the upper support platform 7 of the swivel hinge, protective measures should be taken in the gap between the upper seat plate 1 and the lower seat plate 5 to prevent debris from entering the swivel hinge before the bridge rotates and protect the sliding surface of the swivel hinge; the protective measures can be fixed on the upper seat plate 1 for a week to cover the gap between the upper seat plate 1 and the lower seat plate 5, or the gap between the upper seat plate 1 and the lower seat plate 5 can be sealed by wrapping tape. After pouring the upper bearing platform, before the swivel hinge is swivel, promptly remove the anchor bolts 6 connecting the upper seat plate 1 and the lower seat plate 5 to complete the installation.

Claims

1. A force measuring and height-adjusting plane swivel device capable of being quickly installed, comprising an upper support platform (7), a swivel hinge, a lower support platform (8), a support leg (9) and a slideway (10), wherein the upper seat plate (1) of the swivel hinge is connected to the upper support platform (7), the lower seat plate (5) of the swivel hinge is connected to the lower support platform (8), a plurality of support legs (9) are provided circumferentially between the upper support platform (7) and the lower support platform (8), each of the support legs (9) is located at the periphery of the swivel hinge, the upper end of each of the support legs (9) is fixedly connected to the upper support platform (7), and the lower end of each of the support legs (9) is slidably connected to the slideway (10) installed on the lower support platform (8); Features: The invention also comprises a force measuring and height adjustment mechanism, wherein the force measuring and height adjustment mechanism comprises a pressure sensor (14), an oil circuit (15), a pressure strain gauge (16), an air bag (17), a height adjustment injection pipeline (18) and a plugging wire (19); a groove is provided on the bottom surface of the lower seat plate (5) along the thickness direction; the pressure strain gauge (16) of the pressure sensor (14) is placed in the groove; an air bag (17) is provided in the lower seat plate (5) above the groove; the oil circuit (15) and the height adjustment injection pipeline (18) are respectively provided with On the lower seat plate (5), one end of the oil circuit (15) is connected to the bottom of the groove, and the monitoring medium is injected through the oil circuit (15) to form a monitoring medium film between the pressure strain gauge (16) and the bottom of the groove. The other end of the oil circuit (15) is installed with a pressure sensor (14) after the monitoring medium is injected; one end of the height adjustment injection pipeline (18) is connected to the inside of the air bag (17) and is located outside the monitoring medium film, and the other end of the height adjustment injection pipeline (18) is provided with A plugging wire (19) is provided, and a height adjustment medium is injected into the air bag (17) through the height adjustment injection pipeline (18), thereby realizing the height adjustment of the swivel hinge; a slide plate (22) is provided on the upper surface of the lower support platform (8) at the periphery of the swivel hinge, and a plurality of slide groups are connected to the lower surface of the slide plate (22) along the circumferential direction, and each slide group has two inner and outer slides (10); a pre-buried hole position (25) is provided on the upper surface of the lower support platform (8) corresponding to the position of each slide (10), and each slide The slideway (10) includes a height adjustment bolt (20) and a bolt sleeve (24), the bolt sleeve (24) is fixed in the corresponding embedded hole (25), the lower end of the height adjustment bolt (20) is threadedly connected to the bolt sleeve (24), the upper end of the height adjustment bolt (20) is fixedly connected to the slideway plate (22), and the height of the slideway plate (22) is adjusted by screwing the height adjustment bolt (20); the lower end of each of the support legs (9) is slidably connected to the upper surface of the slideway plate (22).

2. The force measuring and height-adjusting plane swivel device capable of rapid installation according to claim 1, Features: The slide plate (22) is an annular plate, and a stainless steel plate (23) for sliding connection with the support leg (9) is provided on the upper surface; the slide plate (22) is respectively provided with a vibration hole (21) and an adjustment bolt hole (27) for the height adjustment bolt (20) to pass through.

3. According to claim 1, the force measuring and height-adjusting plane swivel device capable of rapid installation, Features: The swivel flat hinge comprises an upper seat plate (1), a slide plate (2), a pressure plate (3), a rubber plate (4), a lower seat plate (5) and an anchor bolt (6); the middle of the lower seat plate (5) is recessed downward in the height direction; the lower end of the upper seat plate (1) is accommodated in the recess; a slide plate (2), a pressure plate (3) and a rubber plate (4) are sequentially arranged between the lower surface of the upper seat plate (1) and the bottom surface of the recess from top to bottom; the air bag (17) is located between the rubber plate (4) and the bottom surface of the recess and is pressed on the pressure strain gauge (16); the upper end of the upper seat plate (1) is fixedly connected to the upper support platform (7) by the anchor bolt (6), and the lower end of the lower seat plate (5) is fixedly connected to the lower support platform (8) by the anchor bolt (6).

4. According to claim 3, the force measuring and height-adjusting plane swivel device capable of rapid installation, Features: The middle part of the lower surface of the upper seat plate (1) extends downward to form a protrusion, and the protrusion is inserted into the recess of the lower seat plate (5).

5. The force measuring and height-adjusting plane swivel device capable of rapid installation according to claim 1, Features: The swivel hinge comprises an upper seat plate (1), a slide plate (2), an upper lining plate (11), a lower lining plate (13), a rubber plate (4), a lower seat plate (5) and an anchor bolt (6); the middle of the lower seat plate (5) is recessed downward in the height direction; the recess contains an air bag (17), a rubber plate (4), a lower lining plate (13) and an upper lining plate (11) in sequence from bottom to top; the upper surface of the upper seat plate (1) is fixedly connected to the upper support platform (7) by means of anchor bolts (6); slide plates (2) are respectively provided between the lower surface of the upper seat plate (1) and the upper surface of the upper lining plate (11) and between the lower surface of the upper lining plate (11) and the upper surface of the lower lining plate (13); the air bag (17) is located between the rubber plate (4) and the bottom surface of the recess and is pressed on the pressure strain gauge (16); the lower end of the lower seat plate (5) is fixedly connected to the lower support platform (8) by means of anchor bolts (6).

6. The force measuring and height-adjusting plane swivel device capable of rapid installation according to claim 5, Features: The lower surface of the upper seat plate (1) is provided with an annular protrusion protruding downward, and the axial cross-section of the upper lining plate (11) is "T"-shaped, the horizontal side of the "T" shape is located inside the annular protrusion, and the vertical side of the "T" shape is inserted into the recess of the lower seat plate (5).

7. The force measuring and height-adjusting plane swivel device capable of rapid installation according to claim 3 or 5, Features: The outer edge of the upper surface and / or lower surface of the rubber plate (4) is provided with a sealing ring (12) for sealing.

8. A method for installing the force measuring and height-adjusting plane swivel device capable of rapid installation as claimed in any one of claims 1 to 6, Features: The following steps are included Step A, pouring concrete of the lower cap (8) to the designed elevation; Step B, installing the lower seat plate (5) of the swivel hinge on the lower support platform (8), and connecting the upper seat plate (1) of the swivel hinge with the cast upper support platform (7) with support legs (9); Step C, reserving embedded holes (25) on the upper surface of the concrete of the lower cap (8); Step D, installing the bolt sleeve (24) and the height adjustment bolt (20) on the slide plate (22), performing a trial installation, and confirming that the embedded hole position (25) is accurate; Step E, placing the slide plate (22) connected with the height adjustment bolt (20) and the bolt sleeve (24) in the embedded hole (25), and then injecting glue into the embedded hole (25) to fix the bolt sleeve (24); Step F, after installation, the height of the slide surface on the upper surface of the slide plate (22) is adjusted by the height adjustment bolt (20) so that the slide surface reaches the designed height.

9. The installation method of the force measuring and height-adjusting plane swivel device capable of realizing rapid installation according to claim 8, Features: The specific operation of installing the lower seat plate (5) in the swivel hinge on the lower support platform (8) in step B is as follows: Step B1, pouring the cushion stone while pouring the lower pedestal (8), wherein the cushion stone is higher than the upper surface of the lower pedestal (8); and reserving holes for anchor bolts on the lower base plate (5) on the upper surface of the concrete of the lower pedestal (8); Step B2, adjusting the height difference of the four corners of the pad stone to the process requirement, the height of the pad stone is higher than the design height, and the strength grade of the concrete used to cast the pad stone is not less than C50; Step B3, installing the anchor bolts (6) and sleeves on the lower base plate (5) on the lower support (8) on site, and performing a trial installation without epoxy resin mortar to confirm that the positions of the reserved holes are correct; Step B4, roughening the surface of the cushion stone at the position where the support is in place, removing debris and accumulated water in the reserved hole, and soaking the surface of the cushion stone with water; Step B5, wedge into the four corners of the lower seat plate (5) with wedges, place and level the lower seat plate (5), adjust the lower surface of the lower seat plate (5) to the designed elevation, leave a gap between the lower surface of the lower seat plate (5) and the pad stone, and install a grouting template; Step B6, stack all the mixed epoxy resin mortar at the exact center of the lower seat plate (5), slowly lower the lower seat plate (5) into place, flatten the epoxy resin mortar by the weight of the lower seat plate (5), and check that the height difference of the four corners of the upper surface of the lower seat plate (5) does not exceed the design requirement before the epoxy resin mortar solidifies; Step B7, mix and evenly mix the non-shrinkage high-strength grouting material according to the calculated amount, fill the grouting material into the reserved hole by gravity grouting and tamp it until the grouting material is completely filled as can be seen from the edge gap of the lower seat plate (5).

10. The installation method of the force measuring and height-adjusting plane swivel device capable of realizing rapid installation according to claim 9, Features: After the slurry below the lower seat plate (5) solidifies, remove the template and the four corner wedges to check whether there is any leakage. If necessary, fill the leakage and fill the gap after the wedge is pulled out with epoxy resin mortar, and tighten the anchor bolts (6) on the lower seat plate (5); before the construction of the upper support platform of the swivel hinge, protective measures must be taken in the gap between the upper seat plate (1) and the lower seat plate (5) to prevent debris from entering the swivel hinge before the bridge rotates, so as to protect the sliding surface of the swivel hinge; after pouring the upper support platform, before the swivel hinge rotates, promptly remove the anchor bolts (6) connecting the upper seat plate (1) and the lower seat plate (5) to complete the installation.

11. The installation method of the force measuring and height-adjusting plane swivel device capable of realizing rapid installation according to claim 9, Features: The installation method of the swivel flat hinge is: A pressure sensor (14) and a blocking wire (19) are respectively installed on the lower seat plate (5); A pressure strain gauge (16) is installed in the groove on the bottom surface of the lower seat plate (5), and an air bag (17) is installed on the pressure strain gauge (16); Then, a rubber plate (4) is installed on the air bag (17), and a sealing ring (12) is laid at the concave portion of the outer edge of the upper surface of the rubber plate (4); Installing a pressure plate (3) on the rubber plate (4); Installing a slide plate (2) on the pressure plate (3); Finally, the upper seat plate (1) and the lower seat plate (5) are connected.

12. The installation method of the force measuring and height-adjusting plane swivel device capable of realizing rapid installation according to claim 9, Features: The installation method of the swivel flat hinge is: A pressure sensor (14) and a blocking wire (19) are respectively installed on the lower seat plate (5); A pressure strain gauge (16) is installed in the groove on the bottom surface of the lower seat plate (5), and an air bag (17) is installed on the pressure strain gauge (16); Then, a rubber plate (4) is installed on the air bag (17), and a sealing ring (12) is laid at the concave portion of the outer edge of the upper surface of the rubber plate (4); Installing a lower lining plate (13) on the rubber plate (4); A slide plate (2) located at the lower layer is installed on the upper surface of the lower lining plate (13); An upper lining plate (11) is installed on the upper surface of the slide plate (2) located at the lower layer; A slide plate (2) located at the upper layer is installed on the upper surface of the upper lining plate (11); Finally, the upper seat plate (1) and the lower seat plate (5) are connected.

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