A point support vibration isolation pad roadbed installation auxiliary equipment and installation method

Abstract

The present invention discloses an auxiliary device and method for the installation of a point-supported vibration isolation pad roadbed, which relates to the technical field of the rail transit equipment industry, including a lifting crane, wherein a wire rope retracting and releasing mechanism is fixedly connected to the top of the lifting crane, wherein a first wire rope is provided inside the wire rope retracting and releasing mechanism, and a hoist is provided at one end of the first wire rope. By adopting a "prefabricated foundation plate", rapid installation of elastic isolation and limiting is achieved, ensuring efficient installation and reliable elastic isolation; then traditional and mature operations such as track installation, fine-tuning, and pouring are carried out 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 adopted as the basis for elastic isolation. On the one hand, the precision is high, and on the other hand, the factory prefabrication has more refined and stable control over the quality, thereby ensuring the durability of the system structure.

Description

Technical Field

[0001] The present invention relates to the technical field of rail transit equipment industry, and in particular to auxiliary equipment for installing a point-supported vibration isolation pad roadbed and an installation method thereof. Background Art

[0002] Track refers to the path paved with steel bars for trains, trams, etc. to travel, or the path of a celestial body in space. It is also called a trajectory. The path of an object's movement is more likely to follow a certain pattern, such as the movement of electrons in atoms and the movement of artificial satellites, which all have certain orbits.

[0003] Currently, there are three main laying methods for vibration isolation pads: full laying, strip (belt) laying, and point laying. Point-supported vibration isolation pad roadbeds are generally constructed on-site using prefabricated track slabs. Due to the heavy weight of prefabricated track slabs and the narrow on-site construction space, precise measurement is extremely arduous to meet the installation quality and height requirements. There are also many steps in the installation quality control process, and construction errors are easy to accumulate. During the construction process, separate limit bosses need to be installed to limit the horizontal and vertical displacement of the roadbed slabs.

[0004] During track construction, various foundation plates placed on the track bed are usually lifted, transported and lowered by lifting cranes. When lifting the foundation plates, if there is rain, snow or strong wind, the strong wind will blow the foundation plates hoisted in the air, causing the foundation plates to shake continuously in the air and difficult to fall stably. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the present invention provides a point-supported vibration isolation pad roadbed installation auxiliary device and installation method, which achieves the purpose of solving the above-mentioned problems.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A point-support vibration isolation pad roadbed installation auxiliary device, comprising a crane, a wire rope retracting and releasing mechanism fixedly connected to the top of the crane, a first wire rope disposed inside the wire rope retracting and releasing mechanism, a hoist disposed at one end of the first wire rope, and a hoisting stabilization mechanism disposed below the top of the hoist;

[0007] The hoisting stabilization mechanism comprises:

[0008] A 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;

[0009] 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 contacts the outer wall of the prefabricated foundation plate. The limiting plate is used to limit the position of the prefabricated foundation plate.

[0010] Preferably, the fixing member is a hollow frame structure, and the wire rope retraction and extension mechanism is used to control the retraction and extension of the first wire rope to lift the hoist.

[0011] Preferably, the outer wall of the limit plate is provided with a return positioning mechanism, and 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.

[0012] 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 located 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.

[0013] Preferably, the insert block is a conical structure with the pointed end of the insert block facing downward, and the connecting rod is a round rod structure.

[0014] 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.

[0015] Preferably, the outer wall of the second sleeve is provided with a stabilizing mechanism, 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. The outer wall of the second sleeve is provided with a one-way valve B, and the outer wall of the second sleeve is fixedly connected to a whistle tube, and blocks are fixedly connected on both sides of the second sleeve, and the bottom of the block is fixedly connected to an insert.

[0016] A method for installing a point-support vibration isolation pad roadbed, the specific steps are as follows:

[0017] S1. The base plate is prefabricated in the plate factory. During prefabrication, a positioning pit for the elastic element is reserved at the bottom. The elastic element is pre-compounded with the prefabricated base plate before the base plate leaves the factory.

[0018] S2, drainage ditch, roadbed retaining wall and other base treatment;

[0019] S3. The precast foundation slab is hoisted and laid according to the corresponding position and adjusted, leaving a gap of 25-30mm between the two sides of the precast foundation slab and one side of the retaining wall;

[0020] S4. Fill the reserved gaps on both sides of the precast foundation plate with spacer 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);

[0021] S5. Erect track and pour trackbed concrete;

[0022] S6. Fine-tune the track and seal the top of the limit plate.

[0023] The present invention provides a point-support vibration isolation pad roadbed installation auxiliary device and installation method, which has the following beneficial effects:

[0024] 1. The present invention prevents the prefabricated foundation plate from flipping over when it is exposed to sudden strong winds by arranging a lifting stabilization mechanism, 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 flip angle itself 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 prefabricated foundation plate's own rocking back and forth, and ensure that the prefabricated foundation plate is protected from damage as much as possible during the process of lifting, moving and lowering the prefabricated foundation plate.

[0025] 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 the swing can be reduced, avoiding the accidental situation of touching the surrounding staff and some equipment due to the large swing amplitude when lowering.

[0026] 3. The present invention provides a return positioning mechanism, which uses the elastic force of a spring to align the hinge rod and the limit plate with a vertical line. As the prefabricated foundation plate is subsequently lowered, the elastic force of the spring gradually straightens the swaying and distorted prefabricated foundation plate, so that the placement point of the prefabricated foundation plate finally falls between the two inserts, thus completing the most accurate positioning and placement of the prefabricated foundation plate. This also avoids the occurrence of unexpected problems caused by large-scale swaying when lowering to the ground.

[0027] 4. The present invention sets a return positioning mechanism, and the spring returns the prefabricated foundation plate to the center gradually during the subsequent swinging through elastic force, and does not make it straighten instantly. At the same time, it gives it a slow conversion of force during the swinging, thereby reducing the torsional force caused to the prefabricated foundation plate when it is straightened, and avoiding the problem of damage and breakage of the prefabricated foundation plate due to the continuous change of internal stress, thereby playing a protective role when the prefabricated foundation plate is transported and lowered.

[0028] 5. The present invention provides a stabilizing mechanism. At this time, due to the small diameter of the one-way valve B, the amount of air discharged is limited, thereby limiting the swing of the first sliding sleeve, the second sliding sleeve, the hinged rod, and the precast foundation plate above. The swing of the precast foundation plate is corrected by the spring, and the one-way valve B limits the swing amplitude of the precast foundation plate to a certain extent, thereby gradually reducing the swing amplitude of the precast foundation plate.

[0029] 6. The present invention sets a stabilizing mechanism to avoid ventilation obstruction, so that the extension of the hinged rod, the first sliding sleeve and the second sliding sleeve is not hindered, and the situation of excessive pulling of the plug block is also avoided. While continuously stabilizing the swing amplitude of the prefabricated foundation plate, the connection tightness between the plug block and the soil is continuously reinforced, ensuring the stability and safety of the prefabricated foundation plate when it is lowered and placed, and avoiding the plug block being pulled back and separated from the soil during the swinging process, which may cause unexpected problems.

[0030] 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 insert at the bottom of the upper block on the outer wall of the second sliding sleeve is inserted into the soil. This also means that when the prefabricated foundation plate is about to approach the ground, the insert can be directly inserted into the ground, so that when the prefabricated foundation plate is subsequently placed on the ground, it will be more stable and stable, avoiding the bottom of the prefabricated foundation plate from contacting the ground and shaking, which will lead to damage and cracks caused by impact vibration.

[0031] 8. The present invention sets a stabilizing mechanism, so that the greater the air pressure ejected 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 at this time. By identifying the size of the whistle sound of the whistle pipe and coordinating it with 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 the corresponding subsequent welcoming measures can be taken more effectively.

[0032] 9. This invention uses a "prefabricated foundation plate" to achieve rapid installation of elastic isolation and position limiting, ensuring efficient installation and reliable elastic isolation. Traditional and mature operations such as track installation, fine-tuning, and pouring are then performed on top of the prefabricated foundation plate. This process not only reduces the amount of cast-in-place concrete and improves construction efficiency, but more importantly, significantly improves construction quality. The use of prefabricated plate structures as the basis for elastic isolation not only ensures high precision, but also allows for more precise and stable quality control through factory prefabrication, thus ensuring the durability of the system structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the structure of the present invention;

[0034] Figure 2The structural diagram of the hoisting stabilization mechanism of the present invention is as follows Figure 1 ;

[0035] Figure 3 The structural diagram of the hoisting stabilization mechanism of the present invention is as follows Figure 2 ;

[0036] Figure 4 For the present invention Figure 2 A magnified view of point A;

[0037] Figure 5 For the present invention Figure 2 Enlarged view of point B;

[0038] Figure 6 This is a structural diagram of the return positioning mechanism of the present invention;

[0039] Figure 7 Schematic diagram of the motion state of the return positioning mechanism of the present invention Figure 1 ;

[0040] Figure 8 Schematic diagram of the motion state of the return positioning mechanism of the present invention Figure 2 ;

[0041] Figure 9 Schematic diagram of the motion state of the return positioning mechanism of the present invention Figure 3 ;

[0042] Figure 10 This is a schematic diagram of the disassembled structure of the stabilizing mechanism of the present invention;

[0043] Figure 11 It is a structural schematic diagram of the stabilizing mechanism of the present invention;

[0044] Figure 12 Schematic diagram of the cross-sectional structure of the stabilizing mechanism of the present invention;

[0045] Figure 13 This is a schematic diagram of the base treatment of drainage ditches, retaining walls, etc. of the present invention;

[0046] Figure 14 This is a schematic diagram of the installation and adjustment of the prefabricated foundation plate of the present invention;

[0047] Figure 15 This is a schematic diagram of track installation and track bed concrete pouring according to the present invention;

[0048] Figure 16 This is a schematic diagram of the track fine adjustment and the sealing treatment of the top of the limiting pads on both sides of the present invention.

[0049] In the figure: 1 lifting crane, 2 lifting stabilization 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 stabilization mechanism, 401 one-way valve A, 402 one-way valve B, 403 whistle pipe, 404 block, 405 insert bar, 5 steel wire rope retracting and releasing mechanism, 6 first steel wire rope, 7 hoist. DETAILED DESCRIPTION

[0050] Example 1: Please refer to Figure 1-4 The present invention provides a technical solution: an auxiliary device for installing a point-support vibration isolation pad roadbed, comprising a crane 1, a wire rope retracting and releasing mechanism 5 fixedly connected to the top of the crane 1, a first wire rope 6 arranged inside the wire rope retracting and releasing mechanism 5, a hoist 7 arranged at one end of the first wire rope 6, and a hoisting stabilization mechanism 2 arranged below the top of the hoist 7;

[0051] The hoisting stabilization mechanism 2 includes:

[0052] The connecting block 202 is a circular columnar structure. The top of the connecting block 202 is fixedly connected to the hook 201, and the bottom of the connecting block 202 is fixedly connected to the second steel wire rope 203. One end of the second steel wire rope 203 is fixedly connected to the fixing piece 204. The inner wall of the fixing piece 204 is provided with a prefabricated foundation plate 205. The connecting block 202 is used to connect the hook 201 and the second steel wire rope 203;

[0053] 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 foundation plate 205. The limiting plate 206 is used to limit the position of the prefabricated foundation plate 205.

[0054] The fixing member 204 is a hollow frame structure, and the wire rope retracting and releasing mechanism 5 is used to control the retraction and release of the first wire rope 6 to lift the hoist 7;

[0055] When in use, the position of the hoist 7 is controlled by starting the crane 1. After it moves 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, completing the installation and laying work.

[0056] 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 large, strong winds are often encountered. Once a strong wind is encountered, the prefabricated foundation plate 205 will be blown to the left and right. Once the prefabricated foundation plate 205 is shaken, the lowering installation will be unstable, and the workers below will be easily bumped by the shaking prefabricated foundation plate 205.

[0057] When the precast base plate 205 shakes, the limit plates 206 on both sides of the connecting block 202 fit with the outer wall of the precast base plate 205, thereby supporting the precast base plate 205 and preventing the precast base plate 205 from turning over when it is subjected to sudden strong winds, and transmitting the turning force to the limit plates 206 and the connecting block 202 to prevent the precast base plate 205 from turning over. At the same time, the precast base 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 base plate 205 with a large turning angle is transmitted to the overall swing, which can avoid the precast base plate 205 from shaking back and forth and the friction wear and breakage caused by the clamping part between the outer wall and the fixing member 204, thereby ensuring that the precast base plate 205 is protected from damage as much as possible during the process of hoisting and moving the precast base plate 205.

[0058] Example 2: Please refer to Figure 1-9 On the basis of the first embodiment, the present invention provides a technical solution: a return positioning mechanism 3 is provided 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 the other first sliding sleeve 305 is slidably connected to another hinged rod 304.

[0059] 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 the hinged rod 304, and the bottom of the hinged rod 304 located below is fixedly connected to a connecting rod 307, and the bottom end of the connecting rod 307 is fixedly connected to an insert block 308, which is used to be inserted into the soil to fix it.

[0060] 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.

[0061] 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;

[0062] The hinged rod 304, the first sliding sleeve 305, and the second sliding sleeve 306 on the outer wall of the limit plate 206, which are hinged by the rotating shaft 301, extend below the prefabricated foundation plate 205. Through its shape and counterweight, it can lower the overall center of gravity and reduce the amplitude of swaying, thereby avoiding the accidental contact with surrounding personnel and some equipment caused by large swaying amplitude during lowering;

[0063] When the precast foundation plate 205 swings and descends, the plug block 308 below the precast foundation plate 205 will first contact the ground, so that the first steel wire rope 6 can be controlled to be retracted and extended, so that the plug block 308 is inserted into the position where the precast foundation plate 205 is to be placed during the swinging. If the plug block 308 is not inserted accurately, the precast foundation plate 205 and the plug block 308 can be controlled to be lifted and realigned until the plug block 308 is inserted into the position where the precast 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 precast foundation plate 205 below begin to descend;

[0064] Once the plug 308 is inserted into the soil, it is difficult to pull out because the plug 308 is in the shape of an inverted triangle. 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 pass through the continuous swinging force of the wind and 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 subsequent swing of the precast 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. In the subsequent continuous lowering process of the precast foundation plate 205, the elastic force of the spring 302 will gradually straighten the swinging and distorted precast foundation plate 205, so that the placement point of the precast foundation plate 205 will eventually fall in the middle position of the two plug blocks 308, completing the most accurate positioning and placement of the precast foundation plate 205, and at the same time avoiding the occurrence of unexpected problems caused by large swings when it is lowered to the ground;

[0065] 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 on 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 playing a protective role for the prefabricated foundation plate 205 during transportation and lowering.

[0066] Finally, as the prefabricated foundation plate 205 is continuously lowered, the hinge rod 304, the first sliding sleeve 305, and the second sliding sleeve 306 slide in the inner walls of each other, thereby continuously shortening until the prefabricated foundation plate 205 and the fixing member 204 fall to the ground.

[0067] 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 provided on the outer wall of the second sleeve 306, the stabilizing mechanism 4 includes a one-way valve A401, the one-way valve A401 is provided on the outer wall of the second sleeve 306, a one-way valve B402 is provided 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 an insert 405 is fixedly connected to the bottom of the block 404.

[0068] A method for installing a point-support vibration isolation pad roadbed, the specific steps are as follows:

[0069] 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.

[0070] S2, drainage ditch, roadbed retaining wall and other base treatment;

[0071] S3. The prefabricated foundation plate 205 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 205 and one side of the retaining wall;

[0072] S4. Fill the gaps on both sides of the precast foundation plate 205 with spacer pads on both sides to ensure the sealing of the expansion joints between the precast foundation plate 205 units to prevent leakage during the pouring of the upper roadbed.

[0073] S5. Erect track and pour trackbed concrete;

[0074] S6, track fine adjustment and top sealing treatment of limit pad;

[0075] When the plug 308 is inserted into the soil, the precast foundation plate 205 will maintain its previous inertial swing and gradually return to normal with the elastic force of the spring 302. During the gradual swinging and returning to normal, the first sleeve 305 will continue to extend and shorten. During the extension and shortening, the hinged rod 304, the first sleeve 305, and the second sleeve 306 will shrink relative to each other when swinging toward the center of the plug 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 diameter of the one-way valve B402, the amount of air discharged is limited, which limits the swinging of the first sleeve 305, the second sleeve 306, the hinged rod 304 and the precast foundation plate 205 above. The swing of the precast foundation plate 205 is returned to normal by the spring 302, and the swing amplitude of the precast foundation plate 205 is limited by the one-way valve B402 to gradually slow down the swing amplitude of the precast foundation plate 205.

[0076] At the same time, it blocks 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 deeply inserted into the soil, avoiding the problem of the plug block 308 being pulled back and forth and separated from 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. The larger diameter 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. In addition, the plug block 308 will not be excessively pulled. This achieves the goal of continuously stabilizing the swing amplitude of the prefabricated foundation plate 205 while continuously strengthening the connection between the plug block 308 and the soil, 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 preventing unexpected problems;

[0077] 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 air outside the second sliding sleeve 306 to flow into the second sliding sleeve 306, while the one-way valve B402 is used to allow air inside the second sliding sleeve 306 to flow out. Both cannot flow back.

[0078] Finally, when the prefabricated foundation plate 205 is stably lowered to the ground, the second sliding sleeve 306, the first sliding sleeve 305, and the hinge rod 304 will be retracted together and placed on both sides of the prefabricated foundation plate 205, and then the insertion strip 405 at the bottom of the upper block 404 on the outer wall of the second sliding sleeve 306 will be inserted into the soil. This also means that when the prefabricated foundation plate 205 is about to approach the ground, the insertion strip 405 can be directly inserted into the ground, so that when the prefabricated foundation plate 205 is subsequently placed on the ground, it will be more stable and avoid the bottom of the prefabricated foundation plate 205 from contacting the ground and shaking, which will cause damage and cracks due to impact vibration;

[0079] 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 thus 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. By identifying the size of the whistle of the whistle pipe 403 and combining it with the swing amplitude of the prefabricated foundation plate 205 at this time, the degree of swing at this time can be more intuitively discovered, and then the corresponding subsequent welcoming measures can be more effectively taken. 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 this technical field, within the technical scope disclosed by the present invention, shall make equivalent replacements or changes based on the technical solution and inventive concept of the present invention, which shall be covered within the protection scope of the present invention.

Claims

1. A point-support vibration isolation pad roadbed 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 hoisting stabilization mechanism (2) is provided below the top of the hoist (7); The hoisting stabilization mechanism (2) comprises: A connecting block (202), wherein the connecting block (202) is a circular columnar structure, wherein 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), and a prefabricated base plate (205) is provided on the inner wall of the fixing member (204), and the connecting block (202) is used to connect the hook (201) and the second steel wire rope (203); A limiting plate (206), 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 foundation plate (205), and the limiting plate (206) is used to limit the position of the prefabricated foundation plate (205); The outer wall of the limit plate (206) is provided with a return positioning mechanism (3), 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), the outer wall of the rotating shaft (301) is rotatably connected to a hinged rod (304), the outer wall of the hinged rod (304) is slidably connected to a first sliding sleeve (305), the outer wall of the first sliding sleeve (305) is slidably connected to a second sliding sleeve (306), the inner wall of the second sliding sleeve (306) is slidably connected to another first sliding sleeve (305), and the inner wall of the other first sliding sleeve (305) is slidably connected to another hinged rod (304).

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

3. The point support vibration isolation pad roadbed installation auxiliary equipment according to claim 2 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 the soil to play a fixing role.

4. The point support vibration isolation pad roadbed installation auxiliary equipment according to claim 3 is characterized by: The insert block (308) is a conical structure, with the tip of the insert block (308) pointing downward, and the connecting rod (307) is a circular rod structure.

5. The point support vibration isolation pad roadbed installation auxiliary equipment according to claim 4 is characterized in that: 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).

6. The point support vibration isolation pad roadbed installation auxiliary equipment according to claim 5, characterized in that: The outer wall of the second sliding sleeve (306) is provided with a stabilizing mechanism (4), and the stabilizing mechanism (4) includes a one-way valve A (401), and the one-way valve A (401) is provided on the outer wall of the second sliding sleeve (306). The outer wall of the second sliding sleeve (306) is provided with a one-way valve B (402), and the outer wall of the second sliding sleeve (306) is fixedly connected to a whistle tube (403), and blocks (404) are fixedly connected to both sides of the second sliding sleeve (306), and a plug (405) is fixedly connected to the bottom of the block (404).

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