Point support vibration isolator ballast bed installation auxiliary equipment and installation method

Abstract

The invention discloses point support vibration isolator ballast bed installation auxiliary equipment and an installation method, and relates to the technical field of rail traffic equipment industries, the point support vibration isolator ballast bed installation auxiliary equipment comprises a hoisting crane, a steel wire rope winding and unwinding mechanism is fixedly connected to the top of the hoisting crane, and a first steel wire rope is arranged in the steel wire rope winding and unwinding mechanism; a lifting device is arranged at one end of the first steel wire rope, rapid installation of elastic isolation and limiting is achieved through the prefabricated foundation plate, and efficient installation and reliable elastic isolation are ensured. Then track panel erection, fine adjustment, pouring and other traditional mature operations are carried out on the upper portion of the prefabricated foundation plate; in the process, the use amount of cast-in-place concrete is reduced, and the construction efficiency is improved; and more importantly, the construction quality is obviously improved. The prefabricated plate structure is adopted on the basis of elastic isolation, on one hand, the precision is high, on the other hand, factory prefabrication is more precise and stable in quality control, and therefore the durability of the system structure is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of rail transit equipment industry, and in particular to point support vibration isolation pad ballast installation auxiliary equipment and an installation method. Background Art

[0002] Track refers to the route paved with steel strips for trains and trams to travel, or it can be the route of celestial bodies in the universe. It is also called trajectory. The route of an object's movement is more likely to have certain rules, such as the movement of electrons in atoms and the movement of artificial satellites have certain orbits; At present, there are three main laying methods for vibration isolation pads: full laying, strip (belt) and point laying. The point-supported vibration isolation pad roadbed is generally constructed on-site using prefabricated track plates. Due to the heavy weight of the prefabricated track plates and the narrow on-site construction space, the work of accurate measurement is extremely arduous to meet the installation quality and height requirements; there are many installation quality control links, and construction errors are easy to accumulate; during the construction process, it is necessary to separately construct limit bosses to limit the horizontal and vertical displacement of the roadbed plate. During track construction, various foundation plates placed on the roadbed are usually lifted, transported and lowered by a lifting crane. When lifting the foundation plates, if it rains, snows or has strong winds, the strong winds will blow the foundation plates hoisted in the air, causing the foundation plates to shake continuously in the air and making it difficult to fall stably. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a point-support vibration isolation pad ballast installation auxiliary device and an installation method, which achieves the purpose of solving the above-mentioned problems.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a point-support vibration isolation pad ballast installation auxiliary equipment, including a crane, a wire rope retracting mechanism is fixedly connected to the top of the crane, a first wire rope is arranged inside the wire rope retracting mechanism, a hoist is arranged at one end of the first wire rope, and a hoisting stabilization mechanism is arranged below the top of the hoist; The hoisting stabilization mechanism comprises: A connecting block, wherein the connecting block is a circular columnar structure, a hook is fixedly connected to the top of the connecting block, a second steel wire rope is fixedly connected to the bottom of the connecting block, one end of the second steel wire rope is fixedly connected to a fixing piece, a prefabricated base plate is provided on the inner wall of the fixing piece, and the connecting block is used to connect the hook to the second steel wire rope; The limiting plate is a rectangular rod-shaped structure, one end of the limiting plate is fixedly connected to the outer wall of the connecting block, and the other end of the limiting plate is in contact with the outer wall of the prefabricated base plate. The limiting plate is used to limit the position of the prefabricated base plate.

[0005] Preferably, the fixing member is a hollow frame structure, and the wire rope retracting and releasing mechanism is used to control the retraction and release of the first wire rope to lift the hoist.

[0006] Preferably, the outer wall of the limit plate is provided with a return positioning mechanism, the return positioning mechanism includes a rotating shaft, one end of the rotating shaft is fixedly connected to one side of the limit plate, the outer wall of the rotating shaft is rotatably connected to a hinged rod, the outer wall of the hinged rod is slidably connected to a first sliding sleeve, the outer wall of the first sliding sleeve is slidably connected to a second sliding sleeve, the inner wall of the second sliding sleeve is slidably connected to another first sliding sleeve, and the inner wall of the other first sliding sleeve is slidably connected to another hinged rod.

[0007] Preferably, one end of the rotating shaft is fixedly connected to a fixed circular plate, one side of the fixed circular plate is fixedly connected to a spring, one end of the spring is fixedly connected to one side of the hinged rod, the bottom of the hinged rod below is fixedly connected to a connecting rod, the bottom end of the connecting rod is fixedly connected to an insert block, and the insert block is used to be inserted into the soil to fix it.

[0008] Preferably, the plug block is a conical structure with the tip of the plug block facing downward, and the connecting rod is a round rod structure.

[0009] Preferably, the first sliding sleeve and the second sliding sleeve are square frame structures, the hinged rod is a square strip structure, and the spring is used to limit the rotation of the hinged rod.

[0010] Preferably, a stabilizing mechanism is provided on the outer wall of the second sleeve, and the stabilizing mechanism includes a one-way valve A, and the one-way valve A is provided on the outer wall of the second sleeve. A one-way valve B is provided on the outer wall of the second sleeve, a whistle tube is fixedly connected to the outer wall of the second sleeve, blocks are fixedly connected on both sides of the second sleeve, and an insertion strip is fixedly connected to the bottom of the block.

[0011] A method for installing a point-support vibration isolation pad ballast bed, the specific steps are as follows: S1. The base plate is prefabricated in the plate factory. During prefabrication, a positioning pit for installing the elastic element is reserved at the bottom, and the elastic element is pre-compounded with the prefabricated base plate before the base plate leaves the factory; S2, drainage ditch, roadbed retaining wall and other base treatment; S3. The prefabricated foundation plate is hoisted and laid according to the corresponding position, and adjusted, leaving a gap of 25~30mm between the two sides of the prefabricated foundation plate and one side of the retaining wall; S4. Fill the reserved gaps on both sides of the precast foundation plate with limit pads on both sides (to ensure the sealing of the expansion joints between the precast foundation plate units to prevent leakage during the pouring of the upper roadbed); S5, erecting rail tracks and pouring ballast concrete; S6. Fine-tune the track and seal the top of the limit plate.

[0012] The present invention provides a point-support vibration isolation pad roadbed installation auxiliary device and installation method, which has the following beneficial effects: 1. The present invention provides a hoisting stabilization mechanism to prevent the prefabricated foundation plate from flipping over when it is hit by a sudden strong wind, and transmits the flipping force to the limit plate and the connecting block to avoid the prefabricated foundation plate from flipping over. At the same time, the prefabricated foundation plate, the limit plate, the connecting block, the hook and the hoist are shaken as a whole, and the shaking of the prefabricated foundation plate with a larger flipping angle is transmitted to the overall swing, which can avoid the friction, wear and breakage caused by the clamping part between the outer wall and the fixing part due to the back and forth swing of the prefabricated foundation plate itself, and ensure that the prefabricated foundation plate is protected from damage as much as possible during the process of hoisting, moving and lowering the prefabricated foundation plate.

[0013] 2. The present invention sets a return positioning mechanism, and the hinged rod, the first sliding sleeve, and the second sliding sleeve on the outer wall of the limit plate are hinged by the rotating shaft and extend to the bottom of the prefabricated foundation plate. Through its shape and its counterweight, the overall center of gravity can be lowered and the amplitude of swinging can be reduced, so as to avoid the accidental situation that the surrounding staff and some equipment are touched due to the large amplitude of swing when lowering.

[0014] 3. The present invention sets a return positioning mechanism, and uses the elastic force of the spring to make the hinge rod and the limit plate tend to the vertical line, so that in the subsequent continuous lowering process of the prefabricated foundation plate, the swaying and distorted prefabricated foundation plate will be gradually straightened by the elastic force of the spring, so that the placement point of the prefabricated foundation plate will eventually fall in the middle of the two plug blocks, completing the most accurate positioning and placement of the prefabricated foundation plate, and at the same time avoiding the occurrence of unexpected problems caused by the large-scale swaying when it is lowered to the ground; 4. The present invention sets a return positioning mechanism, and the spring returns the prefabricated foundation plate to the correct position gradually in the subsequent swinging by elastic force, and does not straighten it instantly. At the same time, it also gives it a slow conversion of the force during the swinging, thereby reducing the torsional force caused to the prefabricated foundation plate when it is straightened, and avoiding the damage and breakage of the prefabricated foundation plate due to the continuous change of internal stress, thereby playing a protective role for the prefabricated foundation plate during transportation and lowering.

[0015] 5. The present invention sets a stabilizing mechanism. At this time, since the caliber of the one-way valve B is small, the amount of air discharged is limited, so that the swing of the first sliding sleeve, the second sliding sleeve, the hinge rod and the upper prefabricated foundation plate is limited to a certain extent, and the swing of the prefabricated foundation plate is returned to the normal state by the spring, and then the one-way valve B limits the swing amplitude of the prefabricated foundation plate to a certain extent, so as to gradually reduce the swing amplitude of the prefabricated foundation plate; 6. The present invention sets a stabilizing mechanism to avoid ventilation obstruction, so that the extension of the hinged rod, the first sleeve and the second sleeve is not hindered, and the plug block is not excessively pulled. This achieves continuous stabilization of the swing amplitude of the precast foundation plate while continuously reinforcing the tightness of the connection between the plug block and the soil, thereby ensuring the stability and safety of the precast foundation plate when it is lowered and placed, and avoiding the plug block being pulled back and out of the soil during the swinging process, thereby causing unexpected problems.

[0016] 7. The present invention sets a stabilizing mechanism, and the second sliding sleeve, the first sliding sleeve, and the hinged rod are all contracted together and placed on both sides of the prefabricated foundation plate. Then, the inserts at the bottom of the upper block on the outer wall of the second sliding sleeve are inserted into the soil. This also means that when the prefabricated foundation plate is about to approach the ground, the inserts can be directly inserted into the ground soil, so that when the subsequent prefabricated foundation plate is placed on the ground, it is more stable and avoids the bottom of the prefabricated foundation plate from contacting the ground and shaking, which leads to damage and cracks caused by impact vibration.

[0017] 8. The present invention sets a stabilizing mechanism so that the greater the air pressure sprayed through the whistle pipe, the louder the whistle sound produced by the whistle pipe when passing through the whistle pipe, so that it can be observed in real time by the staff below. By identifying the size of the whistle sound of the whistle pipe and the amplitude of the swing of the prefabricated foundation plate at this time, the degree of swing at this time can be discovered more intuitively, and then corresponding measures can be taken more effectively.

[0018] 9. The present invention uses a "prefabricated foundation plate" to achieve rapid installation of elastic isolation and limit, ensuring efficient installation and reliable elastic isolation; then traditional and mature operations such as track installation, fine-tuning, and pouring are performed on the upper part of the prefabricated foundation plate; this process not only reduces the amount of cast-in-place concrete and improves construction efficiency; more importantly, it significantly improves the construction quality. The prefabricated plate structure is used on the basis of elastic isolation. On the one hand, it has high precision, and on the other hand, the factory prefabrication has more precise and stable control over quality, so the durability of the system structure is also guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 The structure diagram of the hoisting stabilization mechanism of the present invention is shown in FIG. Figure 1 ; Figure 3 The structure diagram of the hoisting stabilization mechanism of the present invention is shown in FIG. Figure 2 ; Figure 4 For the present invention Figure 2 A magnified image of point A; Figure 5 For the present invention Figure 2 A magnified view of point B; Figure 6 It is a structural schematic diagram of the return positioning mechanism of the present invention; Figure 7 The motion state diagram of the return positioning mechanism of the present invention is shown in FIG. Figure 1 ; Figure 8 The motion state diagram of the return positioning mechanism of the present invention is shown in FIG. Figure 2 ; Fig. 9 The motion state diagram of the return positioning mechanism of the present invention is shown in FIG. Figure 3 ; Fig.10 It is a schematic diagram of the disassembled structure of the stabilizing mechanism of the present invention; Fig.11 It is a structural schematic diagram of the stabilizing mechanism of the present invention; Fig.12 It is a schematic cross-sectional structure diagram of the stabilizing mechanism of the present invention; Fig.13 This is a schematic diagram of the base treatment of drainage ditches, retaining walls, etc. of the present invention; Fig.14 This is a schematic diagram of the installation and adjustment of the prefabricated foundation plate of the present invention; Fig.15 It is a schematic diagram of track installation and ballast concrete pouring of the present invention; Fig.16 It is a schematic diagram of the track fine adjustment and the top sealing treatment of the limiting pads on both sides of the present invention.

[0020] In the figure: 1 lifting crane, 2 lifting stabilizing mechanism, 201 hook, 202 connecting block, 203 second steel wire rope, 204 fixing part, 205 prefabricated foundation plate, 206 limit plate, 3 return positioning mechanism, 301 rotating shaft, 302 spring, 303 fixed circular plate, 304 hinged rod, 305 first sliding sleeve, 306 second sliding sleeve, 307 connecting rod, 308 insert block, 4 stabilizing mechanism, 401 one-way valve A, 402 one-way valve B, 403 whistle pipe, 404 block, 405 insert strip, 5 steel wire rope retracting and releasing mechanism, 6 first steel wire rope, 7 hoist. DETAILED DESCRIPTION

[0021] Example 1: Please refer to Figure 1-4 The present invention provides a technical solution: an auxiliary device for installing a point-supported vibration isolation pad roadbed, comprising a crane 1, a wire rope retracting mechanism 5 is fixedly connected to the top of the crane 1, a first wire rope 6 is arranged inside the wire rope retracting mechanism 5, a hoist 7 is arranged at one end of the first wire rope 6, and a hoisting stabilization mechanism 2 is arranged below the top of the hoist 7; The hoisting stabilization mechanism 2 comprises: The connecting block 202 is a circular columnar structure. The top of the connecting block 202 is fixedly connected with a hook 201. The bottom of the connecting block 202 is fixedly connected with a second steel wire rope 203. One end of the second steel wire rope 203 is fixedly connected with a fixing piece 204. The inner wall of the fixing piece 204 is provided with a prefabricated base plate 205. The connecting block 202 is used to connect the hook 201 with the second steel wire rope 203. The limiting plate 206 is a rectangular rod-shaped structure. One end of the limiting plate 206 is fixedly connected to the outer wall of the connecting block 202 , and the other end of the limiting plate 206 contacts the outer wall of the prefabricated base plate 205 . The limiting plate 206 is used to limit the position of the prefabricated base plate 205 .

[0022] The fixing member 204 is a hollow frame structure, and the wire rope retracting and releasing mechanism 5 is used to control the retracting and releasing of the first wire rope 6 to lift the hoist 7; When in use, the position of the hoist 7 is controlled by starting the crane 1. After the hoist 7 is moved to the designated position for lowering, the wire rope retracting mechanism 5 is started to control the first wire rope 6 to lower the hoist 7. When the hoist 7 is lowered, the hook 201 and the connecting block 202 are lowered synchronously. After the connecting block 202 is lowered, the fixed prefabricated foundation plate 205 is lowered to the roadbed through the second wire rope 203 and the fixing member 204, thereby completing the installation and laying work. When the prefabricated foundation plate 205 is lowered for installation and laying, since the area where the prefabricated foundation plate 205 is installed and laid is mostly open and relatively open, strong winds are often encountered. Once strong winds are encountered, the prefabricated foundation plate 205 will be blown to shake left and right. Once the prefabricated foundation plate 205 shakes, the installation will be unstable, and the workers below will be easily bumped by the shaking prefabricated foundation plate 205. When the precast foundation plate 205 shakes, the limit plates 206 on both sides of the connecting block 202 fit with the outer wall of the precast foundation plate 205, thereby supporting the precast foundation plate 205 and preventing the precast foundation plate 205 from flipping over when it is hit by a sudden strong wind, and transmitting the flipping force to the limit plates 206 and the connecting block 202 to prevent the precast foundation plate 205 from flipping over. At the same time, the precast foundation plate 205, the limit plates 206, the connecting block 202, the hook 201 and the hoist 7 are shaken as a whole, and the shaking of the precast foundation plate 205 with a large flip angle is transmitted to the overall swing, which can avoid the friction, wear and breakage caused by the clamping point between the outer wall and the fixing member 204 due to the back and forth swing of the precast foundation plate 205 itself, and ensure that the precast foundation plate 205 is protected from damage as much as possible during the process of hoisting and moving the precast foundation plate 205. Example 2: Please refer to Figure 1-9On the basis of the first embodiment, the present invention provides a technical solution: a return positioning mechanism 3 is arranged on the outer wall of the limit plate 206, and the return positioning mechanism 3 includes a rotating shaft 301, one end of the rotating shaft 301 is fixedly connected to one side of the limit plate 206, and the outer wall of the rotating shaft 301 is rotatably connected to a hinged rod 304, and the outer wall of the hinged rod 304 is slidably connected to a first sliding sleeve 305, and the outer wall of the first sliding sleeve 305 is slidably connected to a second sliding sleeve 306, and the inner wall of the second sliding sleeve 306 is slidably connected to another first sliding sleeve 305, and the inner wall of another first sliding sleeve 305 is slidably connected to another hinged rod 304.

[0023] One end of the rotating shaft 301 is fixedly connected to a fixed circular plate 303, one side of the fixed circular plate 303 is fixedly connected to a spring 302, one end of the spring 302 is fixedly connected to one side of a hinged rod 304, a connecting rod 307 is fixedly connected to the bottom of the hinged rod 304 located below, and an insert block 308 is fixedly connected to the bottom of the connecting rod 307, and the insert block 308 is used to be inserted into the soil to play a fixing role.

[0024] The plug block 308 is a conical structure with the tip of the plug block 308 facing downward, and the connecting rod 307 is a round rod structure.

[0025] The first sliding sleeve 305 and the second sliding sleeve 306 are square frame structures, the hinge rod 304 is a square strip structure, and the spring 302 is used to limit the rotation of the hinge rod 304; The hinge rod 304, the first sliding sleeve 305 and the second sliding sleeve 306 on the outer wall of the limit plate 206 are hinged by the rotating shaft 301 and extend below the prefabricated base plate 205. Through its shape and counterweight, the overall center of gravity can be lowered and the swing amplitude can be reduced, so as to avoid the accidental situation of touching the surrounding staff and some equipment due to the large swing amplitude when lowering; When the prefabricated foundation plate 205 swings and descends, the plug block 308 below the prefabricated foundation plate 205 will first contact the ground, so that the retraction and extension of the first steel wire rope 6 can be controlled, so that the plug block 308 is inserted into the position where the prefabricated foundation plate 205 is to be placed during the swinging. If the plug block 308 is not inserted accurately, the prefabricated foundation plate 205 and the plug block 308 can be controlled to be lifted up and realigned until the plug block 308 is inserted into the position where the prefabricated foundation plate 205 is to be placed, and then the first steel wire rope 6 is immediately released, so that the hoist 7 and the prefabricated foundation plate 205 below begin to descend; Once the plug 308 is inserted into the soil, it is difficult to pull out the plug 308 due to its inverted triangle shape. After the plug 308 is inserted into the soil, the plug 308 can pull the rotating shaft 301 and the limiting plate 206 through the connecting rod 307, the hinge rod 304, the first sliding sleeve 305, and the second sliding sleeve 306, thereby playing a collective limiting role for the connecting block 202 and the prefabricated foundation plate 205. Because there is a spring 302 on one side of the fixed circular plate 303 on the rotating shaft 301, the spring 302 will restrict the relative rotational movement of the rotating shaft 301 and the hinge rod 304. Then, after the plug 308 is inserted into the soil, the prefabricated foundation plate 205 will be swung by the wind and the continuous swinging force of inertia. The spring 302 is transmitted to the plug block 308 and then to the soil through the plug block 308, which will quickly reduce the swing of the subsequent prefabricated foundation plate 205, and the elastic force of the spring 302 will make the hinge rod 304 and the limit plate 206 tend to be vertical, so that in the subsequent continuous lowering process of the prefabricated foundation plate 205, the elastic force of the spring 302 will gradually straighten the swinging and distorted prefabricated foundation plate 205, so that the placement point of the prefabricated foundation plate 205 will eventually fall in the middle of the two plug blocks 308, completing the most accurate positioning and placement of the prefabricated foundation plate 205, and at the same time avoiding the large swing when it is lowered to the ground, which may cause unexpected problems; The spring 302 corrects the prefabricated foundation plate 205 by gradually correcting it in the subsequent swinging through elastic force, and does not make it straighten instantly. At the same time, it also gives it a slow conversion of the force during the swinging, thereby reducing the torsional force caused to the prefabricated foundation plate 205 when it is straightened, and avoiding the prefabricated foundation plate 205 from being damaged or broken due to the continuous change of internal stress, thereby protecting the prefabricated foundation plate 205 during transportation and lowering. Finally, as the prefabricated base plate 205 is continuously lowered, the hinge rod 304, the first sliding sleeve 305, and the second sliding sleeve 306 will slide in the inner walls of each other, thereby continuously shortening until the prefabricated base plate 205 and the fixing member 204 fall to the ground; Example 3: Please refer to Figure 1-16 On the basis of the first and second embodiments, the present invention provides a technical solution: a stabilizing mechanism 4 is arranged on the outer wall of the second sleeve 306, the stabilizing mechanism 4 comprises a one-way valve A401, the one-way valve A401 is arranged on the outer wall of the second sleeve 306, a one-way valve B402 is arranged on the outer wall of the second sleeve 306, a whistle pipe 403 is fixedly connected to the outer wall of the second sleeve 306, blocks 404 are fixedly connected on both sides of the second sleeve 306, and a plug 405 is fixedly connected to the bottom of the block 404.

[0026] A method for installing a point-support vibration isolation pad ballast bed, the specific steps are as follows: S1. The base plate is prefabricated in a plate factory. During prefabrication, a recess for installing the elastic element is reserved at the bottom. The elastic element is pre-compounded with the prefabricated base plate 205 before the base plate leaves the factory. S2, drainage ditch, roadbed retaining wall and other base treatment; S3. The prefabricated foundation plate 205 is hoisted and laid according to the corresponding position, and adjusted, and a gap of 25-30 mm is reserved between the two sides of the prefabricated foundation plate 205 and one side of the retaining wall; S4. Fill the reserved gaps on both sides of the precast foundation plate 205 with limit pads on both sides to ensure the sealing of the expansion joints between the units of the precast foundation plate 205 to prevent leakage during the pouring of the upper roadbed; S5. Erection of rail tracks and pouring of ballast concrete; S6, track fine adjustment and top sealing treatment of limit pad; When the plug block 308 is inserted into the soil, the precast foundation plate 205 will maintain the previous inertial swing, and gradually return to normal with the elastic force of the spring 302. In the process of gradually swinging back to normal, the first sleeve 305 will continue to stretch and shorten. When it stretches and shortens, the hinge rod 304, the first sleeve 305, and the second sleeve 306 shrink relative to each other when swinging toward the center position of the plug block 308, so that the air inside them is discharged through the one-way valve B402 and the whistle tube 403. At this time, due to the small caliber of the one-way valve B402, the amount of air discharged is limited, so that the swing of the first sleeve 305, the second sleeve 306, the hinge rod 304 and the upper precast foundation plate 205 is restricted to a certain extent, so that the swing of the precast foundation plate 205 is returned to normal by the spring 302, and then the one-way valve B402 restricts the swing amplitude of the precast foundation plate 205 to a certain extent, so as to complete the gradual reduction of the swing amplitude of the precast foundation plate 205. At the same time, it hinders and restricts the swinging of the hinged rod 304, the first sliding sleeve 305, and the second sliding sleeve 306 toward the plug block 308, so that the plug block 308 below the hinged rod 304 will be more inserted into the soil, avoiding the problem of the plug block 308 being pulled back and forth and coming out of the soil during the swinging process. When the hinged rod 304, the first sliding sleeve 305, and the second sliding sleeve 306 swing away from the plug block 308, the internal space thereof expands, and air is sucked in through the one-way valve A401, and the one-way valve A40 1 has a larger caliber, which does not cause ventilation obstruction, so that the extension of the hinge rod 304, the first sliding sleeve 305, and the second sliding sleeve 306 is not hindered, and the plug block 308 will not be pulled excessively. While the swing amplitude of the prefabricated foundation plate 205 is continuously stabilized, the connection tightness between the plug block 308 and the soil is continuously reinforced, ensuring the stability and safety of the prefabricated foundation plate 205 when it is lowered and placed, and preventing the plug block 308 from being pulled back and separated from the soil during the swinging process, thereby causing unexpected problems; The one-way valve A401 and the one-way valve B402 are both one-way vent valves. The one-way valve A401 can only allow the air outside the second sleeve 306 to flow into the second sleeve 306, while the one-way valve B402 is used to allow the air inside the second sleeve 306 to flow out, and neither can flow back. Finally, when the prefabricated foundation plate 205 stably descends to the ground, the second sliding sleeve 306, the first sliding sleeve 305, and the hinge rod 304 will be contracted together and placed on both sides of the prefabricated foundation plate 205, then the insert 405 at the bottom of the block 404 on the outer wall of the second sliding sleeve 306 will be inserted into the soil, which also means that when the prefabricated foundation plate 205 is about to approach the ground, the insert 405 can be directly inserted into the ground, so that when the prefabricated foundation plate 205 is subsequently placed on the ground, it is more stable and avoids the bottom of the prefabricated foundation plate 205 from contacting the ground, shaking, and causing damage and cracks due to impact vibration; When the gas is ejected outward through the one-way valve B402, the gas will be ejected through the whistle pipe 403, and a whistle sound will be produced through the whistle pipe 403. The greater the swing amplitude, the greater the air pressure squeezing the inside of the second sleeve 306, and the greater the air pressure ejected through the whistle pipe 403, so that when passing through the whistle pipe 403, the whistle sound produced by the whistle pipe 403 is louder, so that it can be observed in real time by the staff below at this time, and by identifying the size of the whistle of the whistle pipe 403, combined with the swing amplitude of the prefabricated base plate 205 at this time, the degree of swing at this time can be more intuitively found, and then the subsequent corresponding welcoming measures can be taken more effectively. The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field within the technical scope disclosed by the present invention, according to the technical solution and its inventive concept of the present invention, is equivalently replaced or changed, which should be covered within the protection scope of the present invention.

Claims

1. A point-support vibration isolation pad ballast installation auxiliary device, comprising a crane (1), a wire rope retracting mechanism (5) fixedly connected to the top of the crane (1), a first wire rope (6) arranged inside the wire rope retracting mechanism (5), and a hoist (7) arranged at one end of the first wire rope (6), characterized in that: A lifting stabilization mechanism (2) is provided below the top of the lifting device (7); The hoisting stabilization mechanism (2) comprises: A connecting block (202), wherein the connecting block (202) is a circular columnar structure, a hook (201) is fixedly connected to the top of the connecting block (202), a second steel wire rope (203) is fixedly connected to the bottom of the connecting block (202), one end of the second steel wire rope (203) is fixedly connected to a fixing member (204), an inner wall of the fixing member (204) is provided with a prefabricated base plate (205), and the connecting block (202) is used to connect the hook (201) and the second steel wire rope (203); A limit plate (206), the limit plate (206) being a rectangular rod-shaped structure, one end of the limit plate (206) being fixedly connected to the outer wall of the connection block (202), and the other end of the limit plate (206) being in contact with the outer wall of the prefabricated base plate (205), the limit plate (206) being used to limit the position of the prefabricated base plate (205).

2. The point support vibration isolation pad ballast installation auxiliary equipment according to claim 1 is characterized by: The fixing member (204) is a hollow frame-shaped structure, and the steel wire rope retracting and releasing mechanism (5) is used to control the retracting and releasing of the first steel wire rope (6) to lift the hoist (7).

3. The point support vibration isolation pad ballast installation auxiliary equipment according to claim 2 is characterized by: The outer wall of the limit plate (206) is provided with a return positioning mechanism (3), the return positioning mechanism (3) comprising a rotating shaft (301), one end of the rotating shaft (301) being fixedly connected to one side of the limit plate (206), the outer wall of the rotating shaft (301) being rotatably connected to a hinged rod (304), the outer wall of the hinged rod (304) being slidably connected to a first sliding sleeve (305), the outer wall of the first sliding sleeve (305) being slidably connected to a second sliding sleeve (306), the inner wall of the second sliding sleeve (306) being slidably connected to another first sliding sleeve (305), and the inner wall of the other first sliding sleeve (305) being slidably connected to another hinged rod (304).

4. The point support vibration isolation pad ballast installation auxiliary equipment according to claim 3 is characterized by: One end of the rotating shaft (301) is fixedly connected to a fixed circular plate (303), one side of the fixed circular plate (303) is fixedly connected to a spring (302), one end of the spring (302) is fixedly connected to one side of a hinged rod (304), a connecting rod (307) is fixedly connected to the bottom of the hinged rod (304) located below, and an insert block (308) is fixedly connected to the bottom end of the connecting rod (307), and the insert block (308) is used to be inserted into soil to play a fixing role.

5. The point support vibration isolation pad ballast installation auxiliary equipment according to claim 4 is characterized by: The insert block (308) is a conical structure, with the tip of the insert block (308) facing downward, and the connecting rod (307) is a round rod structure.

6. The point support vibration isolation pad ballast installation auxiliary equipment according to claim 5 is characterized by: The first sliding sleeve (305) and the second sliding sleeve (306) are square frame structures, the hinged rod (304) is a square strip structure, and the spring (302) is used to limit the rotation of the hinged rod (304).

7. The point support vibration isolation pad ballast installation auxiliary equipment according to claim 6 is characterized by: The outer wall of the second sliding sleeve (306) is provided with a stabilizing mechanism (4), the stabilizing mechanism (4) comprising a one-way valve A (401), the one-way valve A (401) being provided on the outer wall of the second sliding sleeve (306), the outer wall of the second sliding sleeve (306) being provided with a one-way valve B (402), the outer wall of the second sliding sleeve (306) being fixedly connected to a whistle tube (403), blocks (404) being fixedly connected to both sides of the second sliding sleeve (306), and a plug strip (405) being fixedly connected to the bottom of the block (404).

8. A method for installing a point-support vibration isolation pad ballast, characterized in that: The specific steps are as follows: S1, the base plate is prefabricated in a plate factory, and during prefabrication, a recess for installing an elastic element is reserved at the bottom, and the elastic element is pre-compounded with the prefabricated base plate (205) before the base plate leaves the factory; S2, drainage ditch, roadbed retaining wall and other base treatment; S3, the prefabricated foundation plate (205) is hoisted and laid according to the corresponding position, and adjusted, and a gap of 25-30 mm is reserved between both sides of the prefabricated foundation plate (205) and one side of the retaining wall; S4. Fill the reserved gaps on both sides of the precast foundation plate (205) with limiting pads on both sides (to ensure the sealing of the expansion joints between the units of the precast foundation plate (205) to prevent leakage during the pouring of the upper roadbed); S5. Install track and pour ballast concrete. S6. Fine-tune the track and seal the top of the limit pad.

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