Adjustable steel buttress for bridge girder erection machine

Abstract

The invention relates to the technical field of buttresses, in particular to an adjustable steel buttress for a bridge girder erection machine, comprising: a base, four corners of which are provided with module holes; the vibration transmission mechanism comprises a supporting pier fixedly connected to the center position of the upper end face of the base, a conduction table, a hydraulic rod and a connecting frame are sequentially and fixedly connected to the upper end face of the supporting pier from bottom to top, and the vibration attenuation mechanism comprises a trapezoidal shell fixedly communicated to the upper end face of the hollow box; and the upper end face of the trapezoidal shell fixedly communicates with a fixed cover, second offset assemblies are arranged on the two sides of the trapezoidal shell correspondingly, and a swing assembly is arranged in the trapezoidal shell. Through the transmission adjusting assembly, the fixing assembly, the guiding assembly, the first counteracting assembly and the airflow assembly in the vibration transmission mechanism, vibration waves transmitted into the supporting piers by the bridge erecting machine are guided, the safety and reliability of the bridge erecting machine during working are improved, the equipment loss is effectively reduced, and the service life of the equipment is prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of abutments, and particularly to an adjustable steel abutment for a bridge erecting machine. Background Art

[0002] An adjustable steel abutment for a bridge erecting machine is a support device used to assist the stable operation of the bridge erecting machine and can adjust the cross slope height and angle of the bridge. It usually consists of support piers, connecting mechanisms, adjusting mechanisms, etc. The height and angle are adjusted through the adjusting mechanism to meet different construction requirements. It has the advantages of convenient installation, strong stability, wide adjustment ranges of angle and height, etc., can effectively improve the construction efficiency and safety of the bridge erecting machine, and is widely used in the erection projects of various bridges such as highway bridges and railway bridges.

[0003] During the use of the existing adjustable steel abutment for a bridge erecting machine, due to factors such as the operation of the self-power system of the bridge erecting machine during work and the change of the center of gravity of the lifted heavy object, the bridge erecting machine generates vibrations. These vibrations are extremely easy to be transmitted to the steel abutment. The steel abutment is impacted by the vibrations, and the connecting components inside it are prone to looseness, thereby causing the cooperative stability between the various parts of the steel abutment to be damaged, affecting the overall balance state of the steel abutment; When the balance of the steel abutment is affected, its support for the bridge erecting machine is no longer stable. The bridge erecting machine will shake and deviate during operation. This not only increases the operation difficulty of the bridge erecting machine, making it difficult to achieve precise operation, but also accelerates the wear of the key components of the bridge erecting machine, reduces the service life of the bridge erecting machine, and may even cause safety accidents, seriously threatening the lives of construction workers and the smooth progress of the project construction. Summary of the Invention

[0004] Aiming at the above-mentioned shortcomings of the existing technology, the present invention provides an adjustable steel abutment for a bridge erecting machine, which can effectively solve the problem that the connecting components inside the steel abutment of the existing technology are prone to looseness due to vibration impact, thereby causing the cooperative stability between the various parts of the steel abutment to be damaged, affecting the overall balance state of the steel abutment.

[0005] To achieve the above purposes, the present invention is realized through the following technical solutions: The present invention provides an adjustable steel abutment for a bridge erecting machine, including: A base, and module holes are provided at the four corners of the base; Vibration transmission mechanism, the vibration transmission mechanism includes a support pier fixedly connected to the center position of the upper end face of the base, and a conduction table, a hydraulic rod and a connecting frame are fixedly connected to the upper end face of the support pier in sequence from bottom to top. At least two transmission adjustment components are arranged around the conduction table, and fixing components are arranged around the support pier. At least two first cancellation components are arranged at the four corners inside the fixing components, and at least two air flow components are arranged at the center inside the fixing components; Hollow boxes, there are four hollow boxes, and they are fixedly connected to the upper end face of the base. The four hollow boxes are respectively located around the support pier; Vibration attenuation mechanism, the vibration attenuation mechanism corresponds to the hollow box in terms of position and number one by one. The vibration attenuation mechanism includes a trapezoidal shell fixedly communicated with the upper end face of the hollow box, a fixed cover is fixedly communicated with the upper end face of the trapezoidal shell, second cancellation components are arranged on both sides of the trapezoidal shell, and a swing component is arranged inside the trapezoidal shell.

[0006] Preferably, the transmission adjustment component includes a rotary telescopic rod fixedly connected to the side face of the conduction table. A positioning disk is fixedly connected to the rod body of the rotary telescopic rod away from the conduction table. A transmission block is slidably connected to the rod body of the rotary telescopic rod away from the positioning disk. A plurality of springs are fixedly connected to the opposite faces of the transmission block and the positioning disk in a circular array centered on the rotary telescopic rod.

[0007] Preferably, the fixing component includes two fixing frames. Guide rods are fixedly connected to the four corners of the opposite faces of the two fixing frames. A plurality of guide covers are fixedly connected to the four sides of the two fixing frames away from the guide rods. The guide covers close to the support pier are fixedly connected to the side faces of the fixing frames.

[0008] Preferably, a guide component corresponding to the first cancellation component is arranged on the rod body of each guide rod. The guide component includes a shock-absorbing ring fixedly connected to the rod body of the guide rod. A plurality of multi-conical conduction rods are fixedly connected to the outer peripheral surface of the shock-absorbing ring in a circular array.

[0009] Preferably, the first cancellation component includes a hollow capsule sleeved on the rod body of the guide rod, and the hollow capsule corresponds to the guide component in position. The ends of the multi-conical conduction rods away from the shock-absorbing ring are fixedly connected to the inner peripheral surface of the hollow capsule together. A plurality of shock-absorbing sheets are fixedly connected to the outer peripheral surface of the hollow capsule in a circular array. The other sides of the shock-absorbing sheets are fixedly connected to a guide ring together; First attenuation structures are arranged on both sides in the horizontal direction of the outer peripheral surface of the shock-absorbing sheet. The first attenuation structure includes a fixing sheet fixedly connected to the outer peripheral surface of the shock-absorbing sheet. An elastic rod is fixedly connected to the bottom of the fixing sheet. The other end of the elastic rod is fixedly connected to a cancellation ball.

[0010] Preferably, the air flow assembly includes two air collecting hoods fixedly communicated inside the two fixed frames. The opposite surfaces of the two air collecting hoods are fixedly communicated with a hollow elastic tube, and the air collecting hood close to the supporting pier is fixedly connected to the side surface of the fixed frame. A plurality of elastic hollow balls are fixedly communicated with the tube body of the hollow elastic tube in a linear array.

[0011] Preferably, a porous block is fixedly connected to the upper end surface of the hollow box; On one side of the trapezoidal shell facing the vibration transmission mechanism, there are air holes corresponding to the air flow assembly, and the air collecting hood close to the trapezoidal shell is fixedly communicated with the air holes. The guiding hood close to the trapezoidal shell is fixedly connected to one side of the trapezoidal shell facing the vibration transmission mechanism.

[0012] Preferably, a guiding block corresponding to the transmission adjustment assembly is fixedly connected to the upper end surface of the fixed cover, and the bottom of the transmission block is fixedly connected to the guiding block. A plurality of vibrating pieces are fixedly connected to the inner top of the fixed cover in a linear array.

[0013] Preferably, the second cancellation assembly includes a vibration guiding piece fixedly connected to the side surface of the trapezoidal shell. On the other side of the vibration guiding piece, a plurality of vibration guiding blocks and multiple groups of vibration guiding rods are alternately fixedly connected in a linear array. Each group of the vibration guiding rods has a plurality. The other sides of the plurality of vibration guiding blocks and the multiple groups of vibration guiding rods are commonly fixedly connected to an E-shaped frame. At least two second attenuation structures are linearly arranged on both the upper and lower layers of the E-shaped frame; The second attenuation structure includes a corrugated rod fixedly connected inside the E-shaped frame. A plurality of hollow balls are fixedly connected to the rod body of the corrugated rod in a linear array.

[0014] Preferably, an elastic buffer block is fixedly connected to a position near the lower part of the inner top of the trapezoidal shell. A spring damper is fixedly connected to the inside of the trapezoidal shell above the elastic buffer block. An exhaust block is fixedly connected to the inside of the trapezoidal shell below the elastic buffer block, and the exhaust block is communicated with the air holes. Bearings are fixedly connected to both opposite sides of the inside of the trapezoidal shell below the elastic buffer block. The swing assembly includes a rotating arm rotatably connected to the axis cores of the respective bearings. The other ends of the two rotating arms are commonly slidably connected to a swing frame. A plurality of swing balls are rotatably connected to the length direction of the inner top of the swing frame. Installation blocks are fixedly connected to both sides of the frame body of the swing frame and between adjacent two swing balls. A plurality of capture hoods are fixedly connected to one side of the installation block facing the exhaust block in a linear array; A plurality of impact hammers are fixedly connected to the bottom of the swing frame in a linear array. The impact hammer is composed of a hammer rod and a hammer body. The hammer body passes through the porous block through the hammer rod and is located inside the hollow box. The hollow box is filled with non-Newtonian fluid.

[0015] The technical solution provided by the present invention has the following beneficial effects compared with the known prior art: 1. Through the transfer adjustment component, fixed component, guiding component, first cancellation component and air flow component in the vibration transfer mechanism, the vibration wave transmitted from the bridge erecting machine to the support pier is guided. Among them, the transfer adjustment component is used to adjust the reaction force of the support pier and the conduction platform on the vibration attenuation mechanism, thereby changing the guiding intensity of the guiding component and the first cancellation component on the vibration wave in the support pier. The fixed component is used to position and fix the guiding component and the first cancellation component, so as to realize the transfer and consumption of the vibration wave by the guiding component and the first cancellation component. The guiding component leads out the vibration wave from the support pier, and a part of the vibration wave led out by the guiding component is consumed by the first cancellation component, and the other part is guided into the vibration attenuation mechanism, reducing the vibration transmitted from the bridge erecting machine to the support pier, ensuring the stability of the support pier, improving the safety and reliability during the operation of the bridge erecting machine, effectively reducing equipment wear and extending the service life of the equipment.

[0016] 2. Through the trapezoidal shell, fixed cover, second cancellation component and swinging component in the vibration attenuation mechanism, the vibration wave transmitted to the support pier is further eliminated. Among them, the fixed cover is used to collect the vibration wave conducted by the transfer adjustment component and guide it into the trapezoidal shell. The vibration wave entering the trapezoidal shell is further consumed or cancelled. The second cancellation component is used to cancel the slight vibration wave to ensure that the fine vibration will not continuously accumulate and affect the tightness of each component of the steel support pier. The swinging component is used to cancel the large vibration wave, reducing the intensity of the vibration wave transmitted to the support pier, improving the stability of the support pier, further reducing the risk of shaking and offset of the equipment caused by vibration, improving the construction safety, and also reducing the wear of each component of the equipment caused by vibration, effectively extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is a schematic structural diagram of the whole of the present invention; Figure 2 It is a schematic structural diagram of the bottom of the whole of the present invention; Figure 3 It is a schematic structural diagram of the vibration transfer mechanism of the present invention; Figure 4 It is a schematic structural diagram of the transfer adjustment component of the present invention; Figure 5 It is a schematic structural diagram of the air flow component of the present invention; Figure 6Schematic structural diagram of the first cancellation component of the present invention; Figure 7 Schematic structural diagram of the interior of the first cancellation component of the present invention; Figure 8 Schematic structural diagram of the vibration attenuation mechanism of the present invention; Figure 9 Schematic structural diagram of the side of the vibration attenuation mechanism of the present invention; Figure 10 Schematic structural diagram of the second cancellation component of the present invention; Figure 11 Schematic structural diagram of the interior of the trapezoidal housing of the present invention; Figure 12 Schematic structural diagram of the front of the swing component of the present invention; Figure 13 Schematic structural diagram of the back of the swing component of the present invention.

[0019] Reference numerals: 1, base; 11, module hole; 2, vibration transmission mechanism; 21, support pier; 22, conduction table; 23, hydraulic rod; 231, connecting frame; 24, transfer adjustment component; 241, rotating telescopic rod; 242, positioning disk; 243, spring; 244, transfer block; 25, fixing component; 251, fixing frame; 252, guiding cover; 253, guiding rod; 26, guiding component; 261, shock-absorbing ring; 262, multi-conical conduction rod; 27, first cancellation component; 271, hollow capsule; 272, damping sheet; 273, guiding ring; 274, first attenuation structure; 2741, fixing sheet; 2742, elastic rod; 2743, cancellation ball; 28, air flow component; 281, air-gathering cover; 282, hollow elastic tube; 283, elastic hollow ball; 3, vibration attenuation mechanism; 31, trapezoidal housing; 311, air hole; 32, fixing cover; 321, guiding block; 322, vibration sheet; 33, second cancellation component; 331, vibration guiding sheet; 332, vibration guiding block; 333, vibration guiding rod; 334, E-shaped frame; 335, second attenuation structure; 3351, corrugated rod; 3352, hollow ball; 34, elastic buffer block; 35, spring damper; 36, exhaust block; 37, bearing; 38, swing component; 381, rotating arm; 382, swing frame; 383, swing ball; 384, mounting block; 385, capture cover; 39, impact hammer; 4, hollow box; 41, porous block. Detailed implementation manners

[0020] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] The present invention will be further described below with reference to embodiments.

[0022] Embodiment: Refer to Figures 1 to 13 , an adjustable steel pier for a bridge erecting machine, comprising: A base 1, and module holes 11 are provided at the four corners of the base 1; A vibration transmission mechanism 2, the vibration transmission mechanism 2 includes a support pier 21 fixedly connected to the center of the upper end surface of the base 1, and a conduction table 22, a hydraulic rod 23 and a connecting frame 231 are fixedly connected to the upper end surface of the support pier 21 in sequence from bottom to top. At least two transmission adjustment components 24 are provided on the periphery of the conduction table 22, and fixing components 25 are provided on the periphery of the support pier 21. At least two first cancellation components 27 are provided at the four corners inside the fixing component 25, and at least two air flow components 28 are provided at the center inside the fixing component 25; Four hollow boxes 4, and the four hollow boxes 4 are fixedly connected to the upper end surface of the base 1 and are respectively located around the support pier 21; A vibration attenuation mechanism 3, the vibration attenuation mechanism 3 corresponds to the hollow box 4 in terms of position and number one by one. The vibration attenuation mechanism 3 includes a trapezoidal shell 31 fixedly communicated with the upper end surface of the hollow box 4, a fixed cover 32 is fixedly communicated with the upper end surface of the trapezoidal shell 31, second cancellation components 33 are provided on both sides of the trapezoidal shell 31, and a swing component 38 is provided inside the trapezoidal shell 31.

[0023] The support of the bridge erecting machine is realized by the support pier 21 and the conduction platform 22 in the vibration transmission mechanism 2, and the hydraulic rod 23 realizes the adjustment of the support height of the bridge erecting machine. The connection frame 231 is connected to the bridge erecting machine. The transmission adjustment component 24 is used to guide the vibration wave transmitted by the conduction platform 22. At the same time, the transmission adjustment component 24 adjusts the reaction force between the support pier 21 and the vibration attenuation mechanism 3 by rotation. The fixing component 25 is used to install and position the first cancellation component 27 and the air flow component 28. The first cancellation component 27 is used to cancel a part of the vibration wave of the support pier 21. The air flow component 28 uses the deformation generated when the support pier 21 vibrates to squeeze the air flow component 28, thereby generating a corresponding air flow, so as to provide a prerequisite for consuming or canceling the vibration wave for the vibration attenuation mechanism 3. In the vibration attenuation mechanism 3, the second cancellation component 33 further consumes the smaller vibration wave, and the swing component 38 swings by using the air flow generated by the air flow component 28 to further cancel the larger vibration wave.

[0024] Refer to Figures 3 to 4 , the transmission adjustment component 24 includes a rotary telescopic rod 241 fixedly connected to the side of the conduction platform 22. A positioning disk 242 is fixedly connected to the rod body of the rotary telescopic rod 241 away from the conduction platform 22. A transmission block 244 is slidably connected to the rod body of the rotary telescopic rod 241 away from the positioning disk 242. A plurality of springs 243 are fixedly connected to the opposite surfaces of the transmission block 244 and the positioning disk 242 in a circular array centered on the rotary telescopic rod 241.

[0025] By using the rotation of the rotary telescopic rod 241 in the transmission adjustment component 24, the length of the rotary telescopic rod 241 can be adjusted. Since the distance between the vibration attenuation mechanism 3 and the support pier 21 is fixed, as the length of the rotary telescopic rod 241 extends or shrinks, and the extrusion force on the spring 243 caused by the extension or shrinkage of the length of the rotary telescopic rod 241 is also different, the reaction force between the vibration attenuation mechanism 3 and the support pier 21 also changes accordingly. At the same time, it also affects the effect of transmitting the vibration wave by the subsequent guiding component 26 and the first cancellation component 27.

[0026] Refer to Figures 3 to 7 , the fixing component 25 includes two fixing frames 251. Guide rods 253 are fixedly connected to the four corners of the opposite surfaces of the two fixing frames 251. A plurality of guide covers 252 are fixedly connected to the peripheries of the two fixing frames 251 on the side away from the guide rods 253. The guide cover 252 close to the support pier 21 is fixedly connected to the side surface of the fixing frame 251.

[0027] A guiding component 26 corresponding to the first cancellation component 27 is arranged on the rod body of each guide rod 253. The guiding component 26 includes a shock-absorbing ring 261 fixedly connected to the rod body of the guide rod 253. A plurality of multi-conical conduction rods 262 are fixedly connected to the outer peripheral surface of the shock-absorbing ring 261 in a circular array.

[0028] One of the two fixing frames 251 in the fixing component 25 is respectively connected to the outside of the supporting pier 21 through the guiding cover 252, so as to guide the vibration wave existing in the supporting pier 21 into the fixing frame 251. The guiding rod 253 between the two fixing frames 251 is used to further guide the vibration wave in the fixing frame 251 close to the supporting pier 21 into the other fixing frame 251. When the guiding rod 253 transmits the vibration wave, the shock-absorbing ring 261 on the rod body of the guiding rod 253 uses the multi-conical conduction rod 262 to partially intercept the transmitted vibration wave and guide it to the first cancellation component 27.

[0029] Refer to Figure 3 、 Figures 6 to 7 The first cancellation component 27 includes a hollow capsule 271 sleeved on the rod body of the guiding rod 253, and the hollow capsule 271 corresponds to the position of the guiding component 26. The ends of the multi-conical conduction rods 262 far away from the shock-absorbing ring 261 are fixedly connected to the inner peripheral surface of the hollow capsule 271 together. A plurality of shock-absorbing sheets 272 are fixedly connected to the outer peripheral surface of the hollow capsule 271 in an annular array, and a guiding ring 273 is fixedly connected to the other side of each shock-absorbing sheet 272 together. On both sides of the outer peripheral surface of the shock-absorbing sheet 272 in the horizontal direction, a first attenuation structure 274 is provided. The first attenuation structure 274 includes a fixing sheet 2741 fixedly connected to the outer peripheral surface of the shock-absorbing sheet 272. The bottom of the fixing sheet 2741 is fixedly connected with an elastic rod 2742, and the other end of the elastic rod 2742 is fixedly connected with a cancellation ball 2743.

[0030] The hollow capsule 271 in the first cancellation component 27 receives the vibration wave transmitted by the multi-conical conduction rod 262, so that the hollow capsule 271 vibrates. The shock-absorbing sheets 272 in the hollow capsule 271 are used to consume the vibration wave transmitted in the hollow capsule 271, and at the same time, the vibration wave is also gathered to the guiding ring 273. The first attenuation structure 274 in the guiding ring 273 drives the cancellation ball 2743 to move by the vibration wave of the elastic rod 2742, so as to consume the vibration wave.

[0031] Refer to Figure 3 、 Figure 5 The air flow component 28 includes two air collecting covers 281 fixedly communicated with the inner sides of the two fixing frames 251. A hollow elastic tube 282 is fixedly communicated with the opposite surfaces of the two air collecting covers 281, and the air collecting cover 281 close to the supporting pier 21 is fixedly connected to the side surface of the fixing frame 251. A plurality of elastic hollow balls 283 are fixedly communicated with the tube body of the hollow elastic tube 282 in a linear array.

[0032] By utilizing the deformation that occurs when the support pier 21 vibrates, the hollow elastic tube 282 and the elastic hollow ball 283 are squeezed. Consequently, the elastic hollow ball 283 is subjected to squeezing, and the airflow discharged after the elastic hollow ball 283 is squeezed will pass through the hollow elastic tube 282 and the air collecting cover 281 near the vibration damping mechanism 3 to transfer the airflow into the vibration damping mechanism 3.

[0033] Refer to Figures 8 to 10 , a porous block 41 is fixedly connected to the upper end surface of the hollow box 4; On one side of the trapezoidal shell 31 facing the vibration transmission mechanism 2, there are air holes 311 corresponding to the air flow assembly 28, and the air collecting cover 281 near the trapezoidal shell 31 is fixedly connected to the air holes 311 in a fixed manner. The guiding cover 252 near the trapezoidal shell 31 is fixedly connected to one side of the trapezoidal shell 31 facing the vibration transmission mechanism 2.

[0034] On the upper end surface of the fixed cover 32, there is a guiding block 321 corresponding to the transmission adjustment assembly 24, and the bottom of the transmission block 244 is fixedly connected to the guiding block 321. Inside the top of the fixed cover 32, a plurality of vibrating plates 322 are fixedly connected in a linear array.

[0035] By utilizing the air holes 311 in the trapezoidal shell 31 to receive the airflow transmitted by the hollow elastic tube 282, and the fixed cover 32 uses the guiding block 321 to guide the vibration wave transmitted by the rotating telescopic rod 241 to the transmission block 244 into the vibrating plates 322 inside the fixed cover 32. Since the fixed cover 32 and the trapezoidal shell 31 are in a communicating state, the vibration wave transmitted by the vibrating plates 322 will be further transmitted into the trapezoidal shell 31.

[0036] Refer to Figures 8 to 10 , the second cancellation component 33 includes a vibration guiding plate 331 fixedly connected to the side surface of the trapezoidal shell 31. On the other side of the vibration guiding plate 331, a plurality of vibration guiding blocks 332 and multiple groups of vibration guiding rods 333 are fixedly connected alternately in a linear array. Each group of vibration guiding rods 333 has a plurality of them. The other sides of the multiple vibration guiding blocks 332 and the multiple groups of vibration guiding rods 333 are commonly fixedly connected to an E-shaped frame 334. At least two second damping structures 335 are linearly arrayed on both the upper and lower layers of the E-shaped frame 334; The second damping structure 335 includes a corrugated rod 3351 fixedly connected inside the E-shaped frame 334. A plurality of hollow balls 3352 are fixedly connected in a linear array on the rod body of the corrugated rod 3351.

[0037] By utilizing the vibration guiding plate 331 in the second cancellation component 33 to guide the smaller vibration waves in the vibration waves existing in the trapezoidal shell 31 to the multiple alternately arranged vibration guiding blocks 332 and the multiple groups of vibration guiding rods 333, and the second damping structure 335 in the E-shaped frame 334 completes the cancellation of the smaller vibration waves. The second damping structure 335 utilizes the up and down movement of the hollow balls 3352 on the rod body of the corrugated rod 3351 to achieve the cancellation of the current vibration wave.

[0038] Referring to Figures 11 to 13 , an elastic buffer block 34 is fixedly connected to a position below the inner top of the trapezoidal shell 31. A spring damper 35 is fixedly connected inside the trapezoidal shell 31 above the elastic buffer block 34. An exhaust block 36 is fixedly connected inside the trapezoidal shell 31 below the elastic buffer block 34, and the exhaust block 36 communicates with the air hole 311. Bearings 37 are fixedly connected to both opposite inner sides of the trapezoidal shell 31 below the elastic buffer block 34. The swing assembly 38 includes rotating arms 381 rotatably connected to the axial centers of the respective bearings 37. The other ends of the two rotating arms 381 are commonly slidably connected to a swing frame 382. A plurality of swing balls 383 are rotatably connected to the length direction of the inner top of the swing frame 382. Mounting blocks 384 are fixedly connected to both sides of the frame body of the swing frame 382 and between adjacent swing balls 383. A plurality of capture covers 385 are fixedly connected to the side of the mounting block 384 facing the exhaust block 36 in a linear array; A plurality of impact hammers 39 are fixedly connected to the bottom of the swing frame 382 in a linear array. The impact hammer 39 is composed of a hammer rod and a hammer body. The hammer body passes through the porous block 41 through the hammer rod and is located inside the hollow box 4. The hollow box 4 contains non-Newtonian fluid.

[0039] The elastic buffer block 34 inside the trapezoidal shell 31 is used to screen vibration waves, so that vibration waves with a smaller frequency are intercepted in the upper half of the trapezoidal shell 31, and the spring damper 35 is used to consume and transfer them to the surface of the trapezoidal shell 31. The vibration waves transferred to the surface of the trapezoidal shell 31 are consumed by the second cancellation assembly 33. Vibration waves with a larger frequency will pass through the elastic buffer block 34 and thus be captured by the capture covers 385 and the swing balls 383 in the swing assembly 38. While the capture covers 385 capture vibration waves, they also synchronously capture the air flow generated by the air flow assembly 28, thereby causing the swing frame 382 to swing. As the swing frame 382 swings, the impact hammers 39 also swing accordingly. However, since the impact hammers 39 are located inside the hollow box 4, and the non-Newtonian fluid contained in the hollow box 4 will hinder the swing of the impact hammers 39, thus canceling out larger vibration waves.

[0040] The working principle of the present invention is as follows: The first step: At the construction site, due to different construction specifications, there will be sites with horizontal foundations and sites without foundations. The sites without foundations are often uneven. At this time, the module holes 11 can be installed with specially designed adjustment devices (the devices in this solution refer to adjustable steel piers for bridge erection machines). These adjustment devices can be pads with different heights and shapes, telescopic support columns, hydraulic adjustment devices, etc. When the support pier 21 is placed on uneven ground, the staff first use measuring equipment to detect the height difference of the ground. Then, according to the measurement results, select appropriate adjustment devices and install them in the module holes 11. If there are local depressions on the ground, telescopic support columns can be installed in the corresponding module holes 11 and extended to raise the corresponding parts of the support pier 21 until the entire support pier 21 reaches a horizontal state. If there are protrusions on the ground, pads with groove shapes can be used and installed in the module holes 11 to accommodate the protrusions in the grooves, ensuring that the support pier 21 is in close contact with the ground and the force is evenly distributed. During the adjustment process, the design of the module holes 11 allows the adjustment devices to be installed at multiple angles and in multiple directions to adapt to various complex ground conditions. At the same time, a reliable connection method, such as threaded connection or snap connection, is adopted between the adjustment devices and the module holes 11 to ensure that the adjustment devices will not loosen or fall off during the operation of the bridge erection machine, guaranteeing the stability of the support pier 21. Through the coordinated work of the module holes 11 and the adjustment devices, the support pier 21 can maintain balance on uneven ground, providing a stable support foundation for the bridge erection machine; Among them, after the equipment is installed and before the bridge erection machine operates, the construction personnel will preliminarily manually rotate and adjust the rotating telescopic rods 241 in the four transmission adjustment components 24 distributed around the support pier 21 according to the flatness, hardness, bearing capacity of the construction site ground, as well as the design parameters of the bridge erection machine, the weight range of the lifted heavy objects, and the expected working conditions, so that the positioning disc 242 and the spring 243 of the transmission block 244 reach a moderately pre-compressed state. In the initial stage of the bridge erection machine's operation, the construction personnel pay attention to the operation of the bridge erection machine and the vibration wave conditions of the steel pier. Once it is found that the support pier 21 shows slight shaking or vibration, the lengths of the four rotating telescopic rods 241 are manually fine-tuned according to the actual situation. By changing the elastic force of the spring 243, the reaction force between the support pier 21 and the vibration attenuation mechanism 3 is adjusted, prompting more vibration waves to be directed to the vibration attenuation mechanism 3, and at the same time enhancing the processing effect of the first cancellation component 27 on the vibration waves; During the lifting of heavy objects, as the weight of the heavy object increases and the vibration waves change due to the change of the center of gravity, the construction personnel accurately adjust the lengths of the four rotating telescopic rods 241 according to the actual load, making them extend or shorten, so that the spring 243 can more effectively buffer and absorb the energy of the vibration waves, further optimizing the processing of the vibration waves by the guiding component 26 and the first cancellation component 27, and ensuring the stability of the support pier 21; When encountering complex working conditions such as local ground settlement and strong wind weather, construction workers comprehensively consider various factors and implement differential adjustments for the rotating telescopic rods 241 at four different positions to cope with complex vibrations and ensure the safe and stable operation of the bridge erecting machine under various conditions.

[0041] Step 2: After the equipment preparation is completed (the transfer adjustment assembly 24 has completed the length adjustment), when the bridge erecting machine moves on the connecting frame 231, due to the large self-weight of the bridge erecting machine and the changes in speed and direction during the movement, vibration waves of different frequencies and intensities will be generated. These vibration waves will first be transmitted to the connecting frame 231, and then conducted to the conduction platform 22 and the support pier 21 (the support pier 21 is mainly used to bear the weight). After the conduction platform 22 and the support pier 21 receive the vibration waves, and after the construction workers complete the adjustment of the transfer adjustment assemblies 24 around (the adjustment of the transfer adjustment assemblies 24 was described in the first step), at this time, the ones that have completed the length adjustment around the conduction platform 22 will guide the vibration waves transmitted in the conduction platform 22 into the fixed cover 32; The vibration waves transmitted to the support pier 21 are connected to the support pier 21 by the guiding cover 252 in the fixed frame 251 close to the support pier 21, effectively collecting the vibration waves of the support pier 21, and the guiding rod 253 transmits the vibration waves collected by the current fixed frame 251 and the guiding cover 252 from the fixed frame 251 close to the support pier 21 to another fixed frame 251; Since the shock-absorbing ring 261 on the guiding rod 253 is made of elastic plastic materials (such as thermoplastic elastomer, polyurethane elastomer, etc.), with its good elasticity, it slows down the propagation frequency of the vibration waves, and the vibration waves are precisely guided to the first cancellation assembly 27 through the multi-conical conduction rod 262. The hollow capsule 271 of the first cancellation assembly 27 undergoes elastic deformation under the action of the vibration waves, and the shock-absorbing pieces 272 on its outer periphery vibrate accordingly. The shock-absorbing pieces 272 are made of special damping materials and consume a large amount of vibration energy during the vibration process. At the same time, the shock-absorbing pieces 272 collect the remaining vibration waves into the guiding ring 273. The first attenuation structure 274 on the guiding ring 273, its elastic rod 2742 drives the cancellation ball 2743 to do complex reciprocating motions under the action of the vibration. The cancellation ball 2743 is mainly composed of foamed metal materials, with light metals such as aluminum and magnesium as the matrix and containing a large number of micro holes inside. Therefore, during the movement of the cancellation ball 2743, the friction with the surrounding air and its own inertia further consume the vibration energy, greatly weakening the vibration intensity transmitted to the subsequent trapezoidal shell 31 through another fixed frame 251 and the guiding cover 252 by the guiding rod 253, thus completing the cancellation of part of the vibration waves transmitted to the guiding rod 253. Among them, when the support pier 21 vibrates, it will cause slight deformation of its internal structure. This deformation is transmitted to the air flow assembly 28. Furthermore, when the two air collecting covers 281 in the fixed frame 251 close to the support pier 21 are squeezed by the support pier 21 due to vibration deformation, the hollow elastic tube 282 and the elastic hollow ball 283 are also squeezed. The elastic hollow ball 283 has good elasticity and compressibility. Under extrusion, its volume becomes smaller and the internal air is extruded. These extruded air is collected through the hollow elastic tube 282 into the air collecting cover 281 close to the vibration damping mechanism 3, and then enters the trapezoidal shell 31 through the air holes 311. As the bridge erecting machine moves, the vibration state of the support pier 21 continuously changes, and the air flow rate and pressure generated by the air flow assembly 28 are also dynamically adjusted accordingly, providing continuous and changing power support for the subsequent vibration cancellation work of the vibration damping mechanism 3.

[0042] Step 3: When the transfer block 244 transfers the vibration to the fixed cover 32 under the action of the rotating telescopic rod 241 and the spring 243, it will first be transferred to the guiding block 321. The guiding block 321 then guides the vibration wave to the vibrating piece 322 inside the fixed cover 32. The vibrating piece 322 will transfer the larger vibration wave into the trapezoidal shell 31 and the smaller vibration wave to the shell of the trapezoidal shell 31. Because: The elastic buffer block 34 at the lower position near the top inside the trapezoidal shell 31 screens the vibration waves entering the trapezoidal shell 31. The vibration waves with relatively low frequencies have relatively low energy and will be intercepted by the elastic buffer block 34 in the upper half of the trapezoidal shell 31 and guided to the shell of the trapezoidal shell 31 through the spring damper 35 installed inside the trapezoidal shell 31 above the elastic buffer block 34. While the larger vibration waves will be transferred to the lower half of the trapezoidal shell 31 (inside the trapezoidal shell 31). When the smaller vibration waves are transferred to the shell of the trapezoidal shell 31: The smaller vibration waves will be further transferred to the vibration guiding piece 331. The vibration guiding piece 331 can effectively guide these smaller vibration waves to the alternately arranged vibration guiding blocks 332 and vibration guiding rods 333. By the vibration guiding blocks 332 and vibration guiding rods 333, the propagation direction and frequency of the vibration waves are changed, so that the vibration waves are gradually dispersed during the transfer process, reducing the concentration degree of the vibration waves. The vibration waves transmitted through the vibration guiding blocks 332 and vibration guiding rods 333 finally reach the E-shaped frame 334. The second attenuation structures 335 are arranged on both the upper and lower layers of the E-shaped frame 334. The second attenuation structure 335 includes corrugated rods 3351 and hollow balls 3352. When the vibration waves are transferred to the corrugated rods 3351, the hollow balls 3352 start to move up and down under the action of the corrugated rods 3351. During the movement of the hollow balls 3352, friction is generated between the hollow balls 3352 and the corrugated rods 3351, and the hollow balls 3352 will also collide with each other. These friction and collision effects will consume the energy of the vibration waves and convert it into other forms such as heat energy, thus effectively canceling the smaller vibration waves and ensuring that the slight vibrations will not continuously accumulate and affect the connection tightness and stability of the various components of the steel support pier.

[0043] When a larger vibration wave is transmitted into the trapezoidal shell 31: The vibration wave energy with a larger frequency is higher and can pass through the elastic buffer block 34. These vibration waves with a larger frequency will be captured by the capture cover 385 and the swing ball 383 in the swing assembly 38. Since the support pier 21 vibrates and squeezes the hollow elastic tube 282 and the elastic hollow ball 283 in the air flow assembly 28, the elastic hollow ball 283 discharges air flow. This air flow enters through the hollow elastic tube 282, the air collecting cover 281, and the air hole 311 of the trapezoidal shell 31. Therefore, the capture cover 385 can not only capture the vibration wave but also capture the air flow generated by the air flow assembly 28 and entering the trapezoidal shell 31. After the capture cover 385 captures the vibration wave and the air flow, the swing frame 382 swings. The swing frame 382 is rotatably connected to the bearings 37 on the opposite inner sides in the trapezoidal shell 31 through the rotating arms 381. Under the action of the vibration wave and the air flow, the swing frame 382 swings around the axis core of the bearing 37; A plurality of impact hammers 39 are fixedly connected in a linear array at the bottom of the swing frame 382. The body of the impact hammer 39 passes through the porous block 41 through the hammer rod and is located in the hollow box 4. The hollow box 4 is filled with non-Newtonian fluid. When the swing frame 382 swings, the impact hammer 39 swings accordingly. Due to the special rheological properties of the non-Newtonian fluid, when the impact hammer 39 swings rapidly, the viscosity of the fluid increases rapidly, generating a strong resistance to the impact hammer 39. This resistance consumes the kinetic energy of the impact hammer 39, thereby offsetting the larger vibration wave and effectively ensuring the stability of the steel support pier and ensuring the safe operation of the bridge erecting machine during the operation process.

[0044] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An adjustable steel pier for a bridge erecting machine, characterized in that Including: A base (1), with module holes (11) provided at the four corners of the base (1); A vibration transmission mechanism (2), which includes a support pier (21) fixedly connected to the center position of the upper end face of the base (1). On the upper end face of the support pier (21), a conduction platform (22), a hydraulic rod (23), and a connecting frame (231) are fixedly connected in sequence from bottom to top. At least two transmission adjustment components (24) are arranged around the conduction platform (22). Fixing components (25) are arranged around the support pier (21). At least two first cancellation components (27) are arranged at the four corners inside the fixing component (25). At least two air flow components (28) are arranged at the center inside the fixing component (25); Hollow boxes (4), there are four of them, and they are fixedly connected to the upper end face of the base (1). The four hollow boxes (4) are respectively located around the support pier (21); A vibration attenuation mechanism (3), which corresponds to the hollow box (4) in terms of position and number one by one. The vibration attenuation mechanism (3) includes a trapezoidal shell (31) fixedly communicated with the upper end face of the hollow box (4). A fixed cover (32) is fixedly communicated with the upper end face of the trapezoidal shell (31). Second cancellation components (33) are arranged on both sides of the trapezoidal shell (31). A swing component (38) is arranged inside the trapezoidal shell (31).

2. The adjustable steel pier for a bridge erecting machine according to claim 1, wherein, The transmission adjustment component (24) includes a rotary telescopic rod (241) fixedly connected to the side face of the conduction platform (22). A positioning disk (242) is fixedly connected to the rod body at the end of the rotary telescopic rod (241) away from the conduction platform (22). A transmission block (244) is slidably connected to the rod body at the end of the rotary telescopic rod (241) away from the positioning disk (242). A plurality of springs (243) are fixedly connected to the opposite faces of the transmission block (244) and the positioning disk (242) in a circular array centered on the rotary telescopic rod (241).

3. The adjustable steel pier for a bridge erecting machine according to claim 1, wherein The fixing component (25) includes two fixing frames (251). Guide rods (253) are fixedly connected to the four corners of the opposite faces of the two fixing frames (251). A plurality of guide covers (252) are fixedly connected to the four sides of the two fixing frames (251) away from the guide rods (253). The guide cover (252) close to the support pier (21) is fixedly connected to the side face of the fixing frame (251).

4. The adjustable steel pier for a bridge erecting machine according to claim 3, characterized in that, A guide component (26) corresponding to the first cancellation component (27) is arranged on the rod body of each guide rod (253). The guide component (26) includes a shock-absorbing ring (261) fixedly connected to the rod body of the guide rod (253). A plurality of multi-conical conduction rods (262) are fixedly connected to the outer peripheral surface of the shock-absorbing ring (261) in a circular array.

5. The adjustable steel pier for a bridge erecting machine according to claim 4, characterized in that, The first cancellation component (27) includes a hollow capsule (271) sleeved on the rod body of the guide rod (253), and the hollow capsule (271) corresponds to the position of the guide component (26). One end of each multi-conical conduction rod (262) far from the shock-absorbing ring (261) is fixedly connected to the inner peripheral surface of the hollow capsule (271). A plurality of shock-absorbing fins (272) are fixedly connected to the outer peripheral surface of the hollow capsule (271) in an annular array. The other sides of the shock-absorbing fins (272) are fixedly connected to a guide ring (273) together; On both sides of the outer peripheral surface of the shock-absorbing fin (272) in the horizontal direction, a first attenuation structure (274) is provided. The first attenuation structure (274) includes a fixing piece (2741) fixedly connected to the outer peripheral surface of the shock-absorbing fin (272). An elastic rod (2742) is fixedly connected to the bottom of the fixing piece (2741). The other end of the elastic rod (2742) is fixedly connected to a cancellation ball (2743).

6. The adjustable steel pier for a bridge erecting machine according to claim 1, characterized in that, The air flow component (28) includes two air collecting hoods (281) fixedly communicated with the inner sides of the two fixing frames (251). A hollow elastic tube (282) is fixedly communicated with the opposite surfaces of the two air collecting hoods (281). The air collecting hood (281) close to the support pier (21) is fixedly connected to the side surface of the fixing frame (251). A plurality of elastic hollow balls (283) are fixedly communicated with the rod body of the hollow elastic tube (282) in a linear array.

7. An adjustable steel pier for a bridge erecting machine according to claim 1, characterized in that, A porous block (41) is fixedly connected to the upper end surface of the hollow box (4); On one side of the trapezoidal shell (31) facing the vibration transmission mechanism (2), a gas hole (311) corresponding to the air flow component (28) is provided. The air collecting hood (281) close to the trapezoidal shell (31) is fixedly communicated with the gas hole (311). The guide hood (252) close to the trapezoidal shell (31) is fixedly connected to one side of the trapezoidal shell (31) facing the vibration transmission mechanism (2).

8. An adjustable steel pier for a bridge erecting machine according to claim 1, characterized in that, A guide block (321) corresponding to the transmission adjustment component (24) is fixedly connected to the upper end surface of the fixing cover (32). The bottom of the transmission block (244) is fixedly connected to the guide block (321). A plurality of vibration pieces (322) are fixedly connected to the inner top of the fixing cover (32) in a linear array.

9. The adjustable steel pier for a bridge erecting machine according to claim 1, wherein, The second cancellation component (33) includes a vibration guide piece (331) fixedly connected to the side surface of the trapezoidal shell (31). On the other side of the vibration guide piece (331), a plurality of vibration guide blocks (332) and multiple groups of vibration guide rods (333) are fixedly connected alternately in a linear array. Each group of the vibration guide rods (333) has a plurality. The other sides of the plurality of vibration guide blocks (332) and the multiple groups of vibration guide rods (333) are fixedly connected to an E-shaped frame (334) together. At least two second attenuation structures (335) are linearly arranged on the upper and lower layers of the E-shaped frame (334); The second attenuation structure (335) includes a corrugated rod (3351) fixedly connected to the inside of the E-shaped frame (334). A plurality of hollow balls (3352) are fixedly connected to the rod body of the corrugated rod (3351) in a linear array.

10. The adjustable steel pier for a bridge erecting machine according to claim 1, characterized in that, A resilient buffer block (34) is fixedly connected to a position below the inner top of the trapezoidal shell (31). A spring damper (35) is fixedly connected to the interior of the trapezoidal shell (31) above the resilient buffer block (34). An exhaust block (36) is fixedly connected to the interior of the trapezoidal shell (31) below the resilient buffer block (34), and the exhaust block (36) communicates with the air holes (311). Bearings (37) are fixedly connected to both opposite sides of the interior of the trapezoidal shell (31) below the resilient buffer block (34). The swing assembly (38) includes a rotating arm (381) rotatably connected to the axis cores of the respective bearings (37). The other ends of the two rotating arms (381) are commonly slidably connected to a swing frame (382). A plurality of swing balls (383) are rotatably connected to the length direction of the inner top of the swing frame (382). Mounting blocks (384) are fixedly connected between adjacent swing balls (383) on both sides of the frame body of the swing frame (382). A plurality of capture covers (385) are fixedly connected to the side of the mounting block (384) facing the exhaust block (36) in a linear array; A plurality of impact hammers (39) are fixedly connected to the bottom of the swing frame (382) in a linear array. The impact hammer (39) is composed of a hammer rod and a hammer body. The hammer body passes through the porous block (41) through the hammer rod and is located inside the hollow box (4). A non-Newtonian liquid is contained inside the hollow box (4).

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