A hydraulic slipform machine with self-adjusting attitude and a method of construction

Abstract

The application discloses a hydraulic sliding formwork capable of self-adjusting posture and a construction method, and belongs to the field of building construction. The sliding formwork comprises a lifting system, a portal support system, a self-weighting platform system, a suspended operating frame posture balancing system and a track counterweight type water storage tank. Inclination sensors are arranged at the two ends of the main cross beam of the portal support system, the pressure sensor of the self-weighting platform system can measure the load of the stacking platform, the tension and compression bidirectional sensor of the suspended operating frame posture balancing system monitors the specific load on the operating platform, the track counterweight type water storage tank is used to make the inclination angles of the adjacent main cross beams at the same end consistent, the telescopic drive mechanism of the suspended operating frame posture balancing system is used to adjust the position of the suspension frame, the inclination angles of the two ends of the main cross beam tend to be consistent, the posture balance and frame body stability of the sliding formwork are realized, and thus the lateral overturning of the sliding formwork is prevented and the safety of the sliding formwork is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to a self-adjustable hydraulic slipform machine and construction method, and belongs to the field of building construction. BACKGROUND

[0002] The slipform process is a construction technology that utilizes hydraulic equipment to enable the formwork to slowly slide upwards during the process of pouring concrete. In the construction of shallow silos, it can achieve continuous pouring of the silo wall concrete, reduce the setting of construction joints, and improve the integrity and waterproof performance of the silo wall. At the same time, with the sliding of the formwork, the steel binding and concrete vibrating processes can be carried out simultaneously, improving the construction efficiency.

[0003] In the existing construction process of silos (represented by shallow silos), the design of the slipform system and the maintenance of the concrete are the key to ensuring the quality of the silo formation and the air tightness of the silo. The slipform system usually includes a platform system, a lifting system, a formwork system, an electrical and oil circuit system, etc. Traditional slipform often uses a through-type jack lifting system, which has the phenomenon of single or multiple machine position over-climbing, which can easily cause the overall slipform system to deviate, indirectly affecting the construction quality of the silo. In addition, in the process of traditional application of the slipform system for construction, it is necessary to ensure the uniform distribution of the lifting frame and the balanced load to ensure the stability and safety of the slipform, but it is often difficult to effectively control in the actual operation of the site construction personnel and the management of the management personnel, and only experience can be used for judgment, and local overloading can also easily lead to a lack of safety feeling.

[0004] Therefore, on the basis of the traditional slipform system, it is necessary to develop a self-adjustable hydraulic slipform machine and a matching construction technology. SUMMARY

[0005] In view of the problems in the prior art, the present application provides a self-adjustable hydraulic slipform machine and a construction method, which realizes the balance of the posture of the slipform machine and the stability of the frame body under the condition of uneven distribution of the load on the platform system of the slipform machine and changes, thereby ensuring the quality of the concrete formation.

[0006] To solve the above technical problems, the present application includes the following technical solutions:

[0007] A self-adjustable hydraulic slipform machine, comprising:

[0008] A lifting system comprising a buried load-bearing limiting guide rail and a climbing mechanism;

[0009] At least two spaced-apart door type support systems, the door type support system comprising a main cross beam and two main columns, the top of the two main columns being respectively fixedly connected to the two ends of the main cross beam, a vertical hole being provided in the center of the main cross beam for the embedded load-bearing limiting guide rail to pass through, the bottom of the climbing mechanism being fixedly connected to the main cross beam;

[0010] The self-weight platform system is arranged on the same side of the two door type support systems, and the self-weight platform system comprises a support frame, a loading platform, a pressure sensor and an inclination sensor, the support frame being fixedly connected to the main columns on the same side of the two door type support systems; the pressure sensor is arranged between the support frame and the loading platform to measure the load of the loading platform; one inclination sensor is arranged at each end of the main cross beam of the door type support system;

[0011] The suspension operation frame posture balancing system comprises a suspension frame, an operation platform arranged on the suspension frame, a roller arranged on the top of the suspension frame and a telescopic driving mechanism; the suspension frame is rollingly connected to the support frame through the roller, and the telescopic driving mechanism can drive the suspension frame to move horizontally, so that the inclinations of the two ends of the main cross beam tend to be consistent; the suspension frame comprises a vertical column, and a tension and compression bi-directional sensor is arranged on the vertical column to measure the axial force;

[0012] The track counterweight type water storage tank comprises a track beam, a sliding block, a water storage tank and a sliding driving mechanism, the track beam is arranged on the suspension frame, the sliding block is arranged on the track beam, the water storage tank is fixedly connected to the sliding block, the sliding block can be driven by the sliding driving mechanism to move along the track beam, the position of the water storage tank on the track beam is adjusted, and the inclinations of the same ends of the main cross beams of the two adjacent door type support systems tend to be consistent.

[0013] Further, a plurality of square holes are arranged on the two sides of the embedded load-bearing limiting guide rail at equal intervals in the vertical direction;

[0014] The climbing mechanism comprises an upper support wing, a hydraulic oil cylinder and a lower support wing; the upper support wing and the lower support wing are horizontally unfolded and wedged into the square holes of the embedded load-bearing limiting guide rail through the built-in telescopic wedge blocks; the upper support wing and the lower support wing can only move upward in one direction due to the shape control of the telescopic wedge blocks; the lifting system drives the upper support wing and the lower support wing to alternately bear the fixed-distance limiting square holes of the embedded load-bearing limiting guide rail through the hydraulic oil cylinder, and drives the whole sliding formwork machine to climb upward.

[0015] Further, the sliding formwork machine further comprises a momentum wheel posture balancing system, the momentum wheel posture balancing system comprising a servo motor and a momentum wheel, one end of the servo motor being fixedly connected to the main cross beam, and the other end of the servo motor being connected to the momentum wheel; the servo motor can drive the momentum wheel to rotate, and provide a counteracting torque to balance the torque difference between the two ends of the main cross beam.

[0016] Further, two compression sensors are arranged at the connection between the two ends of the loading platform and the support frame body, and the four compression sensors are arranged in a rectangular shape.

[0017] Further, the upper and lower sides of the tension-compression sensor are in the shape of a screw rod, and the vertical column is connected through a flange plate with a threaded hole.

[0018] Correspondingly, the application also provides a construction method of the hydraulic sliding formwork with self-adjustable posture, comprising the following steps:

[0019] Step one, install the hydraulic sliding formwork; specifically, install the embedded load-bearing limiting guide rail and the climbing mechanism, install the portal support system, and install the self-weight platform system, the suspended operating frame posture balancing system and the track counterweight type water storage tank on the same side of two adjacent portal support systems;

[0020] Step two, locate the water storage tank at the middle position of the track beam, and calibrate the initial data of the compression sensor, the tension-compression sensor and the inclination sensor to 0;

[0021] Step three, collect the data of the inclination sensor in real time during the construction process, and the inclination data of the four inclination sensors at the two ends of the main cross beam of the two adjacent portal support systems are θ L1 , θ R1 , θ L2 and θ R2 , respectively.

[0022] Step four, determine whether the inclination data is greater than the preset values θ1 and θ2, wherein θ1 and θ2 are preset angle thresholds and θ1 < θ2, θ L = (θ L1 + θ L2 ) / 2 and θ R = (θ R1 + θ R2 ) / 2.

[0023] If < θ1, the sliding formwork is safe, and no adjustment is needed.

[0024] If θ1 ≤ < θ2, the system issues a first-level warning and proceeds to step five.

[0025] If θ2, the system issues a second-level warning and proceeds to step six.

[0026] Step five, only the material on the side with larger loading can be used, and no further loading is allowed until < θ1, the first-level warning is removed, and the process returns to step three.

[0027] Step six, first adjust the positions of the water storage tanks on both sides to make θ L1 = θL2 , θ R1 = θ R2 , adjust the positions of the suspension racks on both sides by using the suspension operating frame posture balancing system, so that ≤ θ1, turn to step three, if θ1≤ < θ2, turn to step five.

[0028] Further, in step six, collect the data of the pressure sensor and the data of the tension and pressure bi-directional sensor in real time, determine the total weight of the two load platforms on both sides of the main cross beam as G L , G R , and the offset value of the center of gravity of the two load platforms relative to the centroid as △X L1 , △ Y L1 , △X R1 , △Y R1 ; determine the weight of the operating frame on both sides of the main cross beam as F L , F R , and the offset value of the center of gravity of the operating platform relative to the centroid as △X L2 , △Y L2 , △X R2 , △Y R2 ;

[0029] Adjust the positions of the water storage tanks on both sides so that θ L1 = θ L2 , θ R1 = θ R2 , specifically: adjust the water storage tanks on both sides by a distance of , wherein:

[0030] ,

[0031] ;

[0032] wherein m 空 is the empty weight of the track counterweight type water storage tank, , are the weights of the water filled in the water storage tanks on both sides.

[0033] Further, adjust the positions of the suspension racks on both sides by using the suspension operating frame posture balancing system, specifically:

[0034] First, according to the principle of moment balance, calculate the distance that the electric drive telescopic lead screw needs to drive to move the suspension racks on both sides in the same direction;

[0035] The maximum distance that the two hangers can move is respectively recorded as , , and < ;

[0036] If , the electrically-driven telescopic lead screw is driven to move the hangers on both sides synchronously ; if , the system cancels the secondary early warning alarm;

[0037] If , the electrically-driven telescopic lead screw is driven to move the hangers on both sides synchronously , if , the secondary early warning alarm is canceled; if , the secondary early warning alarm is converted into a primary early warning alarm; if , the system:

[0038] According to the principle of moment balance, the distance that the hanger which has not reached the maximum moving distance needs to continue to move is calculated ;

[0039] If - , the electrically-driven telescopic lead screw is directly driven for adjustment until , and the secondary early warning alarm is canceled;

[0040] If - , the electrically-driven telescopic lead screw is driven for adjustment - , if , the system cancels the secondary early warning alarm; if , the system converts the secondary early warning alarm into a primary early warning alarm; if , the system needs to stop working to adjust the loads on both sides and recalibrate the sensors.

[0041] Further, the sliding formwork machine further comprises a momentum wheel attitude balance system, which comprises a servo motor and a momentum wheel, one end of the servo motor is fixedly connected with the main beam, and the other end of the servo motor is connected with the momentum wheel through a rotating shaft.

[0042] By collecting the monitoring data of the pressure sensor and the tension-compression bidirectional sensor, the moment difference of the acting force at both ends of the main beam is calculated, the servo motor can drive the momentum wheel to rotate to provide a counteracting torque to balance the moment difference of the acting force at both ends of the main beam.

[0043] Compared with the prior art, the hydraulic slipform machine with self-adjustable posture and the construction method have the following advantages and positive effects: the hydraulic slipform machine with self-adjustable posture can monitor the inclination state of the main cross beam through the inclination sensor, make the inclination angles of the same end of the adjacent main cross beams consistent through the track counterweight type water storage tank, monitor the specific load of the stacking platform through the pressure sensor, monitor the specific load on the operation platform through the tension and compression bidirectional sensor, obtain the difference between the bending moments of the two sides of the main cross beam, adjust the position of the suspension frame through the telescopic driving mechanism of the suspension operation frame posture balancing system, make the inclination angles of the two ends of the main cross beam consistent, realize the posture balance and frame stability of the slipform machine, thereby preventing the lateral overturning of the slipform machine and ensuring the safety of the slipform machine. In addition, the hydraulic slipform machine with self-adjustable posture can make the embedded load-bearing limiting guide rail in a vertical state, and better ensure the concrete forming quality in the slipform construction. BRIEF DESCRIPTION OF DRAWINGS

[0044] Figure 1 It is a structural schematic view of the hydraulic slipform machine with self-adjustable posture;

[0045] Figure 2 It is a structural schematic view of the lifting system;

[0046] Figure 3 It is a structural schematic view of the lifting system and the portal support system;

[0047] Figure 4 It is a structural schematic view of the self-weight platform system;

[0048] Figure 5 It is a structural schematic view of the suspension operation frame posture balancing system;

[0049] Figure 6 It is a structural schematic view of the momentum wheel posture balancing system;

[0050] Figure 7 It is a side view of the hydraulic slipform machine with self-adjustable posture;

[0051] Figure 8 It is a front view of the hydraulic slipform machine with self-adjustable posture;

[0052] Figure 9 It is a force schematic view of the stacking platform;

[0053] Figure 10 It is a force schematic view of the operation platform;

[0054] Figures 11 to 13 It is a flow schematic view of the construction by using the hydraulic slipform machine with self-adjustable posture;

[0055] Figures 14 to 16 It is a principle schematic view of the momentum wheel posture balancing system.

[0056] The numbers in the diagram are as follows:

[0057] 1-Lifting system; 11-Climbing mechanism; 111-Upper support wing; 112-Hydraulic cylinder; 113-Lower support wing; 12-Embedded load-bearing limit guide rail;

[0058] 2-Portal support system; 21-Main crossbeam; 22-Main column;

[0059] 3-Self-weighing platform system; 31-Tripod crossbeam; 32-Tripod diagonal bar; 33-Tripod lower crossbeam; 34-Stacking platform; 35-Pressure sensor; 36-Tilting sensor;

[0060] 4-Suspension operating frame attitude balance system; 41-Short channel steel beam; 42-Long channel steel beam; 43-Vertical channel steel column; 44-Vertical square tube column; 45-Square tube beam; 46-Grid mesh panel; 47-Tension and compression bidirectional sensor; 48-Rolling wheel; 49-Electric drive telescopic screw;

[0061] 5-Rail-mounted counterweight water storage tank; 511-Rail beam; 512-Sliding block; 521-Water storage tank; 522-Water inlet; 523-Sprinkler head interface;

[0062] 6-Momentum wheel attitude balancing system; 61-U-shaped connector; 62-Fixed component; 63-Servo motor; 64-Momentum wheel. Detailed Implementation

[0063] The following detailed description, in conjunction with the accompanying drawings and specific embodiments, provides a self-adjustable hydraulic slipform machine and construction method provided by the present invention. The advantages and features of the present invention will become clearer from the following description. It should be noted that the accompanying drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of the present invention.

[0064] Example 1

[0065] like Figure 1 As shown, the self-adjusting posture hydraulic slipform machine provided in this embodiment includes a lifting system 1, a gantry support system 2, a self-weighing platform system 3, a suspended operating frame posture balancing system 4, and a track-mounted counterweight water tank 5.

[0066] like Figure 2As shown, the lifting system includes a climbing mechanism 11 and a buried load-bearing limiting guide rail 12. The buried load-bearing limiting guide rail 12 is vertically arranged and poured at the bottom in the concrete structure. A plurality of square holes are arranged at equal intervals along the vertical direction on both sides of the buried load-bearing limiting guide rail. The climbing mechanism 11 can be upwardly and distance-climbing along the buried load-bearing limiting guide rail 12. As an example, the climbing mechanism 11 includes an upper support wing 111, a hydraulic oil cylinder 112 and a lower support wing 113. The upper support wing 111 and the lower support wing 113 are horizontally unfolded and wedged into the square holes of the buried load-bearing limiting guide rail 12 through the built-in telescopic wedge. The upper support wing 111 and the lower support wing 113 can only move upwardly in one direction due to the shape control of the telescopic wedge. The lifting system 1 drives the upper and lower support wings to alternately bear the distance-limiting square holes of the buried load-bearing limiting guide rail through the hydraulic oil cylinder 112, and drives the whole slip-form machine to climb upwardly. The prior art can realize the one-way climbing of the upper support wing 111 and the lower support wing 113 through the telescopic stroke of the hydraulic oil cylinder, which will not be described here.

[0067] In combination Figures 1 to 3 As shown, the portal support system 2 is the main load-bearing component of the slip-form machine, which adopts the structure system of the portal frame, including a main cross beam 21 and two main columns 22. The top of the two main columns 22 is respectively fixedly connected with the two ends of the main cross beam 21. The center of the main cross beam 21 is provided with a vertical hole for the buried load-bearing limiting guide rail 12 to pass through. As an example, the main cross beam 21 adopts a double-spliced channel steel structure, which is provided with a gap in the middle to allow the buried load-bearing limiting guide rail 12 to pass through. The main column 22 adopts a single channel steel and is vertically connected with the two ends of the main cross beam 21 through bolted welding. The main cross beam 21 is boltedly connected with the lower support wing 113 of the lifting system 1. The self-weight platform system 3, the suspended operation frame attitude balancing system 4 and the momentum wheel attitude balancing system 6 are all connected to the main columns 22 of the portal support system as auxiliary systems. The overall load is transmitted to the lower support wing through the portal support system, further transmitted to the buried load-bearing limiting guide rail 12, and finally transmitted to the concrete structure.

[0068] In combination Figures 1 to 4 As shown, the self-weight platform system 3 is a main material stacking platform, which includes a support frame, a stacking platform 34, a pressure sensor 35 and an inclination sensor 36. As an example, as shown in FIG. 4, the support frame is a rectangular frame structure, which is vertically arranged and connected with the main columns 22 of the portal support system through the bolted welding. The stacking platform 34 is arranged on the support frame and is used to stack the materials. The pressure sensor 35 is arranged on the stacking platform 34 and is used to detect the weight of the materials stacked on the stacking platform 34. The inclination sensor 36 is arranged on the support frame and is used to detect the inclination of the support frame. Figure 4As shown, the support frame body includes a tripod cross beam 31, a tripod diagonal 32 and a tripod lower cross beam 33, which are connected by bolts and connected to the main stand column 22 of the portal support system 2 as an auxiliary structure to form a stable tripod body. The pressure sensor 35 is installed at the top of both ends of the support frame body. A cylindrical pressure sensor with a range of 100-10000Kg is used, with an IP67 protection level, and has the characteristics of low height, small deformation, small size, and accurate measurement. The load platform 34 is placed on the two groups of four pressure sensors 35, which are arranged in a rectangular corner. The four pressure sensors are located at the four corners of the rectangle. The load platform 34 is mainly used for stacking construction materials. The inclination sensor 36 is installed at the side edge end of the main cross beam 21 of the two portal support systems, which is used to measure the angle of the main cross beam 21 caused by the uneven load, and reflects the rotation deformation of the main cross beam 21. The inclination sensor 36 can use a screen display type inclination sensor with a display screen to display the measurement data.

[0069] In combination Figures 1 to 5 As shown, the suspension operating frame posture balance system 4 is an operating platform for construction personnel to repair the silo wall, and is also an adjusting system for controlling the posture balance of the two sides of the slipform machine. The suspension operating frame posture balance system 4 is suspended below a group of two tripod cross beams 31, and includes a suspension frame and a grid net plate supported on the suspension frame, a roller and an electric drive telescopic screw rod 49 arranged at the top of the suspension frame. The suspension frame can move horizontally along the support frame body of the self-weight platform system 3, and the grid net plate 46 is used for construction personnel to stand and stack small machines. A tensile and compressive bi-directional sensor 47 is arranged on the vertical column above the grid net plate of the suspension frame. The body of the tensile and compressive bi-directional sensor 47 is cylindrical, and the upper and lower sides are screw-shaped. The vertical column is connected through a flange disc with a threaded hole. The range is 100-10000Kg, the protection level is IP67, and the deformation is small, the dynamic response frequency is high. A group of four tensile and compressive bi-directional sensors 47 can identify the specific load on the grid net plate 46. As an example, the suspension frame includes a short channel steel beam 41, a long channel steel beam 42, a vertical channel steel column 43, a vertical square tube column 44 and a square tube beam 45; the roller includes a first rolling wheel, a second rolling wheel and a third rolling wheel, the first rolling wheel and the second rolling wheel can roll in the groove of the tripod cross beam 31, and the third rolling wheel can roll in the groove of the tripod lower cross beam 33; the fixed end of the electric drive telescopic screw rod 49 is installed on the lower side of the 31 tripod cross beam, and the telescopic end is connected to the vertical channel steel column 43, which is used to pull the suspension frame to slide in and out of the groove to adjust the posture of the slipform machine, so that the inclination angles at both ends of the main cross beam tend to be consistent.

[0070] In combination Figure 1 And Figure 5As shown, the track counterweight type water storage tank 5 is used as water source for the construction personnel to spray water for curing the concrete, and can also be used to adjust the center of gravity of the self-weight platform system 3. The track counterweight type water storage tank 5 includes a track beam 511, a sliding block 512, a water storage tank 521, and a sliding drive mechanism. The track beam is arranged on the main column on the same side of two adjacent portal support systems 2, one end of the sliding block 512 is slidably connected to the track beam 511, and the other end is connected to the water storage tank 521. The water storage tank 521 is provided with a water inlet 522 at the top, and spray head interfaces 523 are arranged at both ends for the construction personnel to spray water. The water storage tank 521 is provided with an electric resistance type liquid level sensor to read the water level. The sliding drive mechanism can move the sliding block along the track beam, adjust the position of the water storage tank on the track beam, and adjust the inclination angles of the same ends of the main cross beams of the adjacent two portal support systems to be consistent. The track beam 511 is connected to the vertical channel column 43,

[0071] In one embodiment, as shown in Figure 6 The sliding formwork machine also includes a momentum wheel attitude balance system 6. The momentum wheel attitude balance system 6 is another device for keeping the sliding formwork frame body and the stack load in symmetrical balance. The momentum wheel attitude balance system 6 includes a U-shaped connecting piece 61, a fixing piece 62, a servo motor 63, and a momentum wheel 64. The U-shaped connecting piece 61 is fixed to the center of the main cross beam 21 of the portal support system 2 on both sides, and the closed end is connected to the servo motor 63. The momentum wheel 64 is connected to the end of the main cross beam 21 of the portal support system 2 through the fixing piece 62. The rotation shaft of the momentum wheel 64 is connected to the rotor of the servo motor 63. When the material stack loads of the two self-weight platform systems are unbalanced to a certain extent, and the inclination sensor detects that the main cross beam 21 has a tendency to rotate clockwise and reaches a certain threshold, the servo motor 63 is driven to rotate the momentum wheel 64 clockwise, thereby providing a counterclockwise torque to the main cross beam 21, maintaining the balance of the main cross beam 21, and preventing the sliding formwork machine from tilting to one side.

[0072] Embodiment Two

[0073] The embodiment provides a hydraulic sliding formwork machine capable of self-adjusting attitude and a construction method. The construction method is further described below in combination with Figures 1 to 16 and the content of Embodiment One. It should be noted that the annular silo structure can also be a linear wall structure, and the number and spacing of the lifting systems are set as needed. The portal support system corresponds to the lifting system, and the concrete structure is provided with a self-weight platform system, a suspended operating frame attitude balance system, and a track counterweight type water storage tank on both sides. In order to distinguish, the left side is denoted as L and the right side is denoted as R. The construction when the concrete structure is a silo is described below. The left side is the outer side of the silo wall, and the right side is the inner side of the silo wall. For the sake of description, it is assumed that the load on the left side is greater than that on the right side under normal construction. The construction method includes the following steps.

[0074] Step one, install hydraulic slip form machine; Specifically: install embedded load-bearing limit guide rail and climbing mechanism, install door type support system, install self-weight platform system, suspension operating frame posture balance system and track counterweight type water tank on the same side of two adjacent door type support systems.

[0075] Step two, make the water tank located in the middle position of the track beam, make the initial data of the pressure sensor, the initial data of the tension-compression sensor and the initial data of the inclination sensor all calibrated to 0.

[0076] After the first installation is completed, under the initial loading platform and the empty load state of the water tank, first, drive the sliding block 512 to move the water tank 521 to the middle position of the track beam, at this time , The horizontal distance between the centroid of the left and right water tanks and the center point of the track beam is respectively

[0077] As shown in Figure 9 , two pressure sensors are arranged at the connection between the two ends of the loading platform and the support frame body, and the four pressure sensors are arranged in a rectangular shape. The length of the two sides of the rectangle is S1 and W1, respectively, wherein S1 is the length parallel to the cylinder wall, and W1 is the length perpendicular to the cylinder wall. The length of the centroid of the loading platform 34 from the centroid of the embedded load-bearing limit guide rail 12 is T1. The readings of the pressure sensors are respectively , . Among them, G L1 , G L2 , G R1 , G R2 are the readings of the pressure sensors away from the cylinder wall.

[0078] As shown in Figure 10 , the suspension frame includes four vertical columns, and one tension-compression sensor is arranged on each vertical column. The four tension-compression sensors are arranged in a rectangular shape, and the length of the two sides of the rectangle is S2 and W2, respectively, wherein S2 is the length parallel to the cylinder wall, and W2 is the length perpendicular to the cylinder wall. The readings of the pressure sensors are respectively , . Among them, F L1 , F L2 , F R1 , F R2 are the readings of the tension-compression sensors away from the cylinder wall.

[0079] The distance between the centroid of the operating platform of the suspension operating frame posture balance system on the outside and the inside of the cylinder wall and the center of the embedded load-bearing limit guide rail 12 is respectively , .

[0080] Among them, W1, S1, T1, W2, S2 are quantitative, is a variable that can be calculated according to the driving length of the electric telescopic screw rod 49. The readings of the inclination sensors are calibrated as , .

[0081] Step three, real-time collection of data of the inclination sensors during construction, the inclination data of the four inclination sensors at the two ends of the main cross beam of the two adjacent portal support systems are θ L1 , θ R1 , θ L2 , θ R2 , respectively.

[0082] The inclination angles extracted by the left and right inclination sensors 36 of the main cross beam of the portal support system are θ L1 , θ R1 , respectively, and the inclination angles extracted by the left and right inclination sensors 36 of the main cross beam of the adjacent portal support system are θ L2 , θ R2 , respectively.

[0083] Step four, determine whether the preset values θ1 and θ2, wherein θ1 and θ2 are preset angle thresholds and θ1 < θ2, θ L = (θ L1 + θ L2 ) / 2, and θ R = (θ R1 + θ R2 ) / 2.

[0084] If < θ1, the sliding formwork machine is safe, and no adjustment is made.

[0085] If θ1≤ < θ2, the system issues a first-level warning and enters step five.

[0086] If θ2, the system issues a second-level warning and enters step six.

[0087] The preset values θ1 and θ2 are related to the moment of inertia of the main cross beam and the moment of inertia of the embedded load-bearing limiting guide rail. As an example, the experience values are selected, θ1 = 0.38° and θ2 = 0.5°.

[0088] Step five, the material on the side with larger stacking can only be used, and cannot be continuously stacked until < θ1, the first-level warning is removed, and step three is entered.

[0089] Step six, first adjust the positions of the water storage tanks on both sides to make θ L1 = θ L2 and θ R1 = θ R2, the position of the two suspension frames is adjusted by the suspension operating frame posture balancing system, so that ≤ θ1, step three is entered, if θ1≤ < θ2, step five is entered.

[0090] The stress and the position of the center of gravity of the loading platform, the operating platform and the rail counterweight type water storage tank are further analyzed.

[0091] The pressure sensor 35 on the outer side of the cylinder wall extracts G L1 , G L2 , G L3 , G L4 , wherein G L1 , G L2 The pressure sensor 35 obtains G L = G L1 + G L2 + G L3 + G L4 , considering the uneven distribution of the load, the offset values of the center of gravity of the loading platform on the outer side of the cylinder wall relative to the centroid are △X L1 , △Y L1 , which satisfy:

[0092] ,

[0093] .

[0094] Similarly, the cylinder wall extracts G R1 , G R2 , G R3 , G R4 , the weight extracted by the loading platform 34 on the inner side of the cylinder wall is G R = G R1 + G R2 + G R3 + G R4 , considering the uneven distribution of the load, the offset values of the center of gravity of the loading platform on the inner side of the cylinder wall relative to the centroid are △X R1 , △Y R1 , which satisfy:

[0095] ,

[0096] .

[0097] At this time, the tensile and compressive bi-directional sensor 47 of the suspension operating frame posture balancing system 4 on the outer side of the cylinder wall extracts the weight F L1 , FL2 , F L3 , F L4 , F L = F L1 +F L2 +F L3 +F L4 ; considering the uneven weight distribution, the offset values of the center of gravity of the outer side operating platform relative to the centroid are △X L2 , △Y L2 , which satisfies:

[0098] ,

[0099] .

[0100] The weight extracted by the tension-compression sensor 47 of the inner side suspension operating frame posture balancing system 4 of the cylinder wall is F R1 , F R2 , F R3 , F R4 , F R = F R1 +F R2 +F R3 +F R4 , considering the uneven weight distribution, the offset values of the center of gravity of the inner side operating platform relative to the centroid are △X R2 , △Y R2 , which satisfies:

[0101] ,

[0102] .

[0103] The empty weight of the track counterweight type water storage tank 5 is m 空 , the weights of the outer and inner side water storage tanks are , , the offset value of the outer side track counterweight type water storage tank 5 from the centroid is , and the offset value of the inner side track counterweight type water storage tank 5 from the centroid is .

[0104] In the normal construction state, as the silo construction gradually proceeds, the usage amount of the stacked materials on the outer and inner sides of the silo gradually differs (G L > G R occurs), and for example, in a certain time period, the corresponding operator identifies L > θ R through the inclination sensor 36. First, it is determined The values ​​of θ1 and θ2 are compared with the preset values ​​θ1 = 0.38° and θ2 = 0.5°. Based on the judgment results, it is determined whether adjustments are needed. Specifically:

[0105] exist At that time, the slipform machine is safe and no corresponding adjustments are made;

[0106] exist At this time, the system issues a Level 1 warning alarm, alerting construction personnel that materials on the outside of the silo are for use only and must not be further piled up (because materials are usually piled in categories on both the inside and outside of the silo wall, and their attitude cannot be adjusted by moving them between the inside and outside sides), until... The Level 1 warning alert will be lifted at this time.

[0107] At this point, the system issued a level-two warning alarm, indicating a significant safety hazard. To avoid disrupting normal construction, the operators intervened using the suspension operating frame's attitude balancing system to make adjustments.

[0108] The following section provides a further introduction to the specific operations of using the suspension maneuver's attitude balance system for adjustment.

[0109] First, drive the sliding block 512 to move the water storage tank 521 away from the centroid by the offset value. , so that:

[0110] ,

[0111] ,

[0112] This ensures that the two main crossbeams of the gantry support system 2 of two adjacent machine positions have the same inclination angle on both the inner and outer sides, i.e., satisfying θ. L1 =θ L2 θ R1 =θ R2 .

[0113] Secondly, the suspension brackets on both sides of the moving cylinder wall are adjusted by the electric drive telescopic screw 49. ,like Figure 12 As shown, for ease of unified control, all adjustments are made towards the inside of the silo. First, calculate the distance that needs to be moved by the electric drive telescopic screw 49 to move the suspension bracket inside the silo wall. , so that:

[0114] ;

[0115] In the formula, ;

[0116] make

[0117]

[0118]

[0119] Adjustment distance is calculated as follows,

[0120] ;

[0121] In actual construction, since the outer operating platform and the inner operating platform are close to the cylinder wall, as shown in Figure 2 , when moving to the right, the moving space of the left hanging bracket is smaller, and the moving space of the right hanging bracket is larger. The maximum movable distance of the left hanging bracket is recorded as , and the maximum movable distance of the right hanging bracket is recorded as , < The following cases are discussed.

[0122] If , the operator directly synchronously drives the two sides of the electric drive telescopic lead screw 49 to adjust, and when , the system cancels the secondary early warning alarm.

[0123] If , the operator first synchronously drives the two sides of the electric drive telescopic lead screw 49 to move a distance , obtains the real-time data of , if , the system cancels the secondary early warning alarm; if , the system changes from the secondary early warning alarm to the primary early warning alarm, and warns the construction personnel, pay attention to the materials outside the silo, and do not continue to load, and continuously obtain the real-time data of , until , the primary early warning alarm is canceled. If , the secondary early warning alarm is still not canceled, and the right side of the electric drive telescopic lead screw 49 needs to be continuously driven to adjust, which is specifically:

[0124] First, calculate the distance that needs to be driven by the electric drive telescopic lead screw 49 to move the hanging bracket inside the cylinder wall, so that:

[0125] ;

[0126] In the formula, ;

[0127] Let

[0128]

[0129] The adjusted distance is calculated as

[0130]

[0131] If , the operator directly drives the electrically-driven telescopic screw rod 49 to adjust, and when the inclination sensor 36 observes , the system cancels the secondary early warning alarm;

[0132] If , the operator first drives the electrically-driven telescopic screw rod 49 to adjust , and acquires real-time data of , if , the system cancels the secondary early warning alarm; if , the system changes from the secondary early warning alarm to the primary early warning alarm, and warns the construction personnel, and it is noted that the material outside the silo can only be used, and cannot be continuously stacked and loaded, and real-time data of is continuously acquired until , the primary early warning alarm is canceled. If , the construction needs to be stopped to adjust the stacking and loading on both sides of the silo, and the position of the operation platform is re-adjusted and corrected, so as to return to the normal construction state.

[0133] In one specific embodiment, the self-adjusting attitude hydraulic slip-form machine includes a momentum wheel attitude balance system 6, which is described in detail below through specific examples and in combination with Figures 14 to 16 . Due to sudden strong wind at night during non-construction or other conditions, the attitude of the hydraulic slip-form machine changes, and the inclination sensor 36 monitors that the main cross beam 21 has a tendency to rotate clockwise, and reaches a certain threshold, the servo motor 63 drives the momentum wheel 64 to rotate clockwise, thereby providing a counter-clockwise rotating main cross beam 21 to maintain the balance of the main cross beam 21, and avoid the slip-form machine from falling to one side.

[0134] Since the counter-clockwise torque provided by the momentum wheel is limited, it can usually only handle , and the counter-clockwise torque provided is short in time, which is only a temporary measure. The specific construction method is as follows:

[0135] After each construction is completed, it is confirmed that ;

[0136] Taking a certain period of time as an example, if the attitude of the hydraulic slip-form machine changes due to sudden strong wind at night during non-construction or other conditions, and , no corresponding adjustment is made; if , the system issues a primary early warning alarm; if Figure 16 ​​​As shown, the automatically driven servo motor 63 rotates the momentum wheel 64 counterclockwise, thereby providing a reverse torque for rotating the main beam 21 clockwise, in the process, the rotation speed of the servo motor 63 is dynamically controlled according to the value of , and after , the momentum wheel 64 gradually stops rotating, and the system cancels the first pre-warning alarm;

[0137] If , the system issues a second pre-warning alarm, at this time, there is a large security risk, and the construction personnel are warned and reminded to manually intervene to stabilize the attitude by adjusting the position of the correction sliding suspension bracket or taking other measures, until , the initial position of the suspension bracket is restored or other measures are removed, and then the second pre-warning alarm is removed.

[0138] In the balanced state of the main beam, the angular velocity of the momentum wheel ω =0, the moment of inertia J=1 / (2mR 2 ), the angular momentum L=J x ω=0, and the resultant force moment M=0. At this time, G=N. In the inclined state of the main beam, the motor drives the momentum wheel to accelerate rotation in the inclined direction, and the angular momentum ΔL=J x Δω. To satisfy the conservation of angular momentum, ΔL'=ΔL=J x Δω, a reverse torque M is provided for the support system. At this time, the resultant force F' around point O is balanced with G and N, thereby restoring the main beam to the balanced state, providing time for adjusting the force on both sides.

[0139] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not contradict each other, they should be considered within the scope of the present disclosure.

[0140] The above-described embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of the present application. Therefore, the scope of protection of the present application should be subject to the appended claims.

Claims

1. A self-adjustable attitude hydraulic slipform machine, characterized in that, The hydraulic slip-form machine comprises a lifting system, at least two spaced-apart portal support systems, and a self-weight platform system. The lifting system comprises a buried load-bearing limiting guide rail and a climbing mechanism. The portal support system comprises a main cross beam and two main columns. The top of the two main columns is fixedly connected to the two ends of the main cross beam. The center of the main cross beam is provided with a vertical hole for the buried load-bearing limiting guide rail to pass through. The bottom of the climbing mechanism is fixedly connected to the main cross beam. The self-weight platform system comprises a support frame, a load platform, a pressure sensor, and an inclination sensor. The two ends of the support frame are fixedly connected to the main columns on the same side of the two portal support systems. The support frame and the load platform are provided with a pressure sensor for measuring the load of the load platform. The two ends of the main cross beam of the portal support system are each provided with an inclination sensor. The suspension operating frame posture balancing system comprises a suspension frame, an operating platform arranged on the suspension frame, a roller arranged on the top of the suspension frame, and a telescopic driving mechanism. The suspension frame is rollingly connected to the support frame through the roller. The telescopic driving mechanism can drive the suspension frame to move horizontally, so that the inclinations of the two ends of the main cross beam tend to be consistent. The suspension frame comprises a vertical column. The vertical column is provided with a tension and compression bi-directional sensor for measuring the axial force. The track counterweight type water storage tank comprises a track beam, a sliding block, a water storage tank, and a sliding driving mechanism. The track beam is arranged on the suspension frame. The sliding block is arranged on the track beam. The water storage tank is fixedly connected to the sliding block. The sliding driving mechanism can drive the sliding block to move along the track beam, so as to adjust the position of the water storage tank on the track beam. The inclinations of the same ends of the main cross beams of the adjacent two portal support systems can be adjusted to tend to be consistent.

2. The hydraulic slip-form machine capable of self-adjusting posture according to claim 1, wherein a plurality of square holes are vertically and equidistantly arranged on the two sides of the buried load-bearing limiting guide rail. The climbing mechanism comprises an upper support wing, a hydraulic oil cylinder, and a lower support wing. The upper support wing and the lower support wing are horizontally unfolded and wedged into the square holes of the buried load-bearing limiting guide rail through the built-in telescopic wedge. The upper support wing and the lower support wing can only move upward in one direction due to the shape control of the telescopic wedge. The lifting system drives the upper and lower support wings to alternately bear along the fixed limiting square holes of the buried load-bearing limiting guide rail through the hydraulic oil cylinder, so as to drive the whole slip-form machine to climb upward.

3. The hydraulic slip-form machine capable of self-adjusting posture according to claim 1, wherein the slip-form machine further comprises a momentum wheel posture balancing system. The momentum wheel posture balancing system comprises a servo motor and a momentum wheel. One end of the servo motor is fixedly connected to the main cross beam. The other end of the servo motor is connected to the momentum wheel through a rotating shaft. The servo motor can drive the momentum wheel to rotate, so as to provide a counteracting torque for balancing the torque difference of the two ends of the main cross beam.

4. The hydraulic slip-form machine capable of self-adjusting posture according to claim 1, wherein two pressure sensors are arranged at the connection between the load platform and the support frame at the two ends, respectively. The four pressure sensors are arranged in a rectangular shape.

5. The hydraulic slip-form machine capable of self-adjusting posture according to claim 1, wherein the tension and compression bi-directional sensor is in the shape of a screw rod. The vertical column is connected to the tension and compression bi-directional sensor through a flange disc with a threaded hole.

6. The method of constructing a self-levelling hydraulic slipform machine of claim 1, wherein, Comprising the following steps: Step one, install hydraulic slip form machine; specific for: install embedded load-bearing limit guide rail and climbing mechanism, install door type support system, install self-weight platform system, suspension operating frame posture balance system and track counterweight type water storage tank on the same side of two adjacent door type support systems; Step two, make the water storage tank located in the middle position of the track beam, and the initial data of the pressure sensor, the tension and compression bidirectional sensor and the inclination sensor are all calibrated to 0; Step three, real-time collection of data of the inclination sensor in the construction process, the inclination data of the four inclination sensors at the two ends of the main cross beam of the two adjacent portal support systems are θ L1 , θ R1 , θ L2 , θ R2 ; Step four, determining and the preset value θ1, θ2, wherein θ1, θ2 are preset angle thresholds and θ1 < θ2, θ L = (θ L1 + θ L2 ) / 2, θ R = (θ R1 + θ R2 ) / 2; If <θ1, Sliding mode machine safe, no adjustment; If θ1≤ < θ2, the system issues a first level warning and goes to step five. If θ2, the system issues a secondary warning and proceeds to step six. Step five, the larger side of the material can only be used, not to continue to load, until <θ1, remove the first warning, into step three; Step six, adjust the position of the water storage tank on both sides, so that θ L1 = θ L2 , θ R1 = θ R2 , adjust the position of the suspension frame on both sides using the suspension operating frame posture balancing system, if θ ≤ θ1, go to step three, if θ1 ≤ θ < θ2, go to step five.

7. The construction method of the self-adjustable posture hydraulic slip form machine according to claim 6, characterized in that, In step six, the data of the pressure sensor and the data of the tension and pressure bidirectional sensor are collected in real time to determine the total weight of the two stack platforms on both sides of the main cross beam as G L , R , and the offset value of the gravity center of the two stack platforms relative to the centroid △X L1 , △Y L1 , △X R1 , △ Y R1 ; the weight of the operating frame on both sides of the main cross beam is determined as F L , R , and the offset value of the gravity center of the operating platform relative to the centroid △ X L2 , △Y L2 , △X R2 , △Y R2 ; Adjust the position of the water storage tanks on both sides to make θ L1 = θ L2 , θ R1 = θ R2 , specifically: adjust the water storage tanks on both sides to be at a distance of 1 / 2 L from the center line, where L is the length of the water storage tank. wherein: ， ； Wherein, m 空 is the empty weight of the orbitally counterbalanced water storage tank, , is the weight of water injected into the water storage tank on each side.

8. The method of constructing a self-levelling hydraulic slipform machine of claim 7, wherein, The position of the suspension frame on both sides is adjusted by using the suspension operating frame posture balance system, and specifically, First, according to the principle of torque balance, the distance that needs to be driven by the electric drive telescopic screw to move the suspension frames on both sides in the same direction is calculated ; The maximum distance that the two hangers are movable is recorded as , , and < ; If , drive the electric telescopic screw to make the two suspension frames move synchronously ; if , the system cancels the secondary early warning alarm If , the first driving electric telescopic screw rod is used to move the two suspension frames synchronously , if , the secondary early warning alarm is released; if , the secondary early warning alarm is changed into the primary early warning alarm If still then: According to the principle of moment balance, the distance that the suspension needs to continue to move in order to reach the maximum distance of movement is calculated ; If - , directly drive the electric telescopic screw to adjust until , and release the secondary early warning alarm; If - , the first driving electric telescopic screw rod is adjusted - , if , the system cancels the second early warning alarm; if , the system changes from the second early warning alarm to the first early warning alarm; If still , the adjustment of the two sides of the load and the sensor calibration are needed to stop work.

9. The construction method of the self-adjustable posture hydraulic slip form machine according to claim 6, characterized in that, The slip form machine further comprises a momentum wheel posture balance system, which comprises a servo motor and a momentum wheel, one end of the servo motor is fixedly connected with the main cross beam, and the other end of the servo motor is connected with the momentum wheel through a rotating shaft; By collecting the monitoring data of the pressure sensor and the tension and compression bidirectional sensor, the bending moment difference of the acting force at both ends of the main cross beam is calculated, the servo motor can drive the momentum wheel to rotate, and a counteracting torque is provided to balance the bending moment difference at both ends of the main cross beam.

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