Pipe jacking construction transport track blocking device

Abstract

The application relates to the field of pipe jacking construction, in particular to a pipe jacking construction transportation track blocking device, which comprises a transportation track and a transportation vehicle, the bottom of the transportation vehicle is symmetrically provided with wheels, each wheel is slidably connected to the transportation track, the bottom of the transportation vehicle is symmetrically and fixedly provided with brake discs, each brake disc is located on the two sides of the adjacent wheel, and each blocking plate side wall is fixedly provided with a cooling assembly. When the vehicle body of the transportation vehicle contacts with the two first blocking plates, the first spring is compressed to be close to the blocking plate, then the wheel enters between the two buffer plates, in the process of being close to the blocking plate, the gradually dense second friction blocks are used to continuously enhance the friction force, so that the transportation vehicle is braked, then the wheel of the transportation vehicle contacts with the second friction blocks and the first friction blocks for friction braking, and the transportation vehicle is slowly braked in the braking process.

Description

Technical Field

[0001] This invention relates to the field of pipe jacking construction technology, specifically to a pipe jacking construction transport track blocking device. Background Technology

[0002] Pipe jacking is a trenchless construction method. It involves using jacking equipment within a working pit to overcome the friction between the pipe and the surrounding soil, pushing the pipe into the ground at a designed slope, and then removing the excavated soil. After one pipe section is pushed into the soil, the second section is lowered and the process continues. During pipe jacking, excavated soil needs to be removed. Currently, transport vehicles are placed on rails for transportation, but it has been found that these vehicles are prone to running off the rails, so a stopping device must be installed.

[0003] For example, CN221369125U discloses a track blocking device for pipe jacking construction, including a mounting frame. An adjusting frame is fixedly connected to the top center of the mounting frame. The adjusting frame has a rectangular frame shape, and its lower left and right sides are through-type. A bidirectional screw is rotatably connected to the upper center of the interior of the adjusting frame, and an L-plate is slidably connected to the left and right sides of the interior of the adjusting frame. This blocking device is easy to install and disassemble without the need for third-party installation tools, and will not damage the track body, thus improving the track's reusability. It solves the problem that existing blocking devices include welded and friction-type devices. Although the welded type is simpler, it causes significant damage to the track, potentially rendering it unusable.

[0004] Currently, most transport vehicles rely on their own brake discs for braking and deceleration. However, if the transport vehicle is carrying a large amount of slag or is going downhill, its inertia will be significant. In such cases, relying solely on the brake discs for braking will cause damage to the discs over time. Furthermore, the transport vehicle only comes to a stop thanks to the braking device, but the brake discs do not bring the vehicle to a complete stop. Ultimately, the vehicle comes to a stop by impacting the braking device, which can damage both the device and the transport track. Moreover, if the transport vehicle has significant inertia, braking at this point will cause it to tilt forward and overturn due to its own inertia, which presents limitations. Additionally, the brake discs need to cool down naturally after braking, but this process takes a long time, and overheated brake discs can affect the braking performance of the transport vehicle.

[0005] To address the above issues, a track blocking device for pipe jacking construction transportation is proposed. Summary of the Invention

[0006] The purpose of this invention is to provide a blocking device for the transport track in pipe jacking construction. Using this device solves the problems mentioned above, such as when the transport vehicle is carrying a large amount of excavated soil and is going downhill, the vehicle's inertia is significant. In such cases, relying solely on the brake discs for braking will cause damage to the brake discs over time. Furthermore, if the transport vehicle's own inertia is high, braking will cause it to tilt forward and overturn due to its own inertia. Also, the brake discs need to cool naturally after braking, but this natural cooling process takes a long time, and overheated brake discs will affect the braking effect of the transport vehicle.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a blocking device for a pipe jacking construction transport track, comprising a transport track and a transport vehicle, wherein wheels are symmetrically installed on the bottom of the transport vehicle, each wheel is slidably connected to the transport track, brake discs are symmetrically fixedly installed on the bottom of the transport vehicle, each brake disc is located on both sides of an adjacent wheel, contact plates are symmetrically fixedly connected to the side walls of the transport vehicle, blocking plates are symmetrically fixedly connected to the top of the transport track, buffer components are symmetrically fixedly installed on the side walls of each blocking plate, anti-tipping components are slidably installed on the top of the buffer components, and cooling components are fixedly installed on the side walls of each blocking plate.

[0008] Furthermore, the buffer assembly includes two buffer plates, which are symmetrically and fixedly connected to the side wall of the blocking plate. One end of each buffer plate is an arc-shaped structure. Multiple legs are fixedly connected to the bottom wall of each buffer plate. An impact plate is slidably connected to the side wall of the two buffer plates. A first spring is symmetrically and fixedly connected to the side wall of the blocking plate. One end of each first spring is fixedly connected to the side wall of the impact plate. Rectangular holes are equidistantly opened on the side wall of each buffer plate. A first friction block is fixedly connected to the side wall of each buffer plate at equal intervals.

[0009] Furthermore, each of the first friction blocks is located between two adjacent rectangular holes, and a mounting bracket is fixedly connected to one side wall of each buffer plate. An electric push rod is fixedly connected to the side wall of the mounting bracket. The movable end of the electric push rod passes through the side wall of the adjacent mounting bracket and is fixedly connected to a connecting plate. Fixed rods are fixedly connected at equal intervals to the side wall of the connecting plate. A sliding plate is fixedly connected to one end of each fixed rod. Each sliding plate is slidably connected to the inside of an adjacent rectangular hole. A second friction block is fixedly connected to the side of each sliding plate.

[0010] Furthermore, the anti-tipping component includes a first baffle, which is fixedly connected to the top of the impact plate. A second baffle is slidably connected to the top of the first baffle. A fixing plate is fixedly connected to the side wall of the second baffle. A hydraulic push rod is fixedly connected to the top of the impact plate, and the movable end of the hydraulic push rod is fixedly connected to the fixing plate.

[0011] Furthermore, the buffer plate and the blocking plate are provided with a sliding groove at their top ends. Each sliding groove has a limit box that is slidably connected to its inner wall. Multiple first wedge blocks are fixedly connected at equal intervals to the top and bottom walls of the limit box. A slider is slidably connected to the inner side wall of the limit box.

[0012] Furthermore, the top and bottom of the slider are provided with grooves, and a second spring is fixedly connected to the inner wall of each groove. One end of the two second springs is fixedly connected to a top plate, and a second wedge block is fixedly connected to the top of the top plate.

[0013] Furthermore, the inclined ends of the first wedge block and the second wedge block are in contact with each other, an electromagnet is fixedly connected to the inner wall of each groove, a permanent magnet is fixedly connected to the bottom end of each top plate, a rotating rod is rotatably connected to the side wall of the slider, and one end of the rotating rod is rotatably connected to the side wall of the second baffle.

[0014] Furthermore, the cooling assembly includes an air storage box, which is fixedly connected to the side wall of the baffle plate. An air inlet pipe is fixedly connected through the side wall of the air storage box, and a one-way air inlet valve is installed inside the air inlet pipe. Telescopic rods are symmetrically fixedly connected to the side of the impact plate.

[0015] Furthermore, one end of each telescopic rod penetrates the side wall of the baffle plate and extends into the interior of the gas storage box. One end of both telescopic rods is fixedly connected to a piston plate, which is slidably and sealed to the inner wall of the gas storage box. Each telescopic rod is located inside an adjacent first spring.

[0016] Furthermore, the top of the gas storage box is symmetrically and fixedly connected with drainage pipes, one end of each drainage pipe extends to the impact plate, a one-way air outlet valve is installed inside the drainage pipe, and multiple air blowing pipes are fixedly connected at equal intervals to the side wall of each drainage pipe.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] By incorporating a buffer assembly, when the transport vehicle's body contacts the two first baffles, the first spring is compressed, bringing it closer to the baffles. Subsequently, the wheels enter between the two buffer plates. During this approach, the gradually increasing density of the second friction blocks enhances friction, thus braking the transport vehicle. The wheels then again contact and rub against the second and first friction blocks, resulting in gradual braking. This prevents excessive braking force from causing the front of the transport vehicle to lift and overturn, and avoids the situation where the brake disc fails to bring the vehicle to a complete stop, ultimately causing it to impact the blocking device, thus reducing damage to the transport track. Furthermore, by incorporating an anti-tipping assembly, if the amount of excavated soil is large, a hydraulic push rod is activated. The moving end of the hydraulic push rod raises the second baffle to its upper limit. During this process, a rotating rod rotates, causing the slider to move within the limit... The slider moves synchronously within the box. During the movement of the slider, the inclined surface of the second wedge moves along the inclined surface of the first wedge. During this process, the second wedge compresses the second spring and enters the groove. When it leaves the adjacent first wedge, under the elastic action of the second spring, it pushes the top plate and the second wedge to reset. The interaction between the second wedge and the adjacent first wedge limits the second wedge, thereby supporting the rotating rod. The triangular structure formed between the second baffle and the rotating rod provides stable support for the second baffle. When the transport vehicle contacts the impact plate, it may tilt forward in time. Alternatively, the second baffle can contact the contact plate of the transport vehicle to support the transport vehicle and reset under the action of the transport vehicle's own weight, preventing the transport vehicle from tilting forward. This would concentrate the weight on the front wheels, increase the force on the transport track, and increase the damage to the transport track.

[0019] By incorporating a cooling system, the brake discs, which require a long time to cool naturally, are cooled. During the braking process of the transport vehicle by the buffer plate, as the impact plate approaches the stop plate, it moves the telescopic rod synchronously. At this time, the one-way air outlet valve is opened, and the piston plate is pushed by the telescopic rod. The resulting pressure difference forces the air in the air storage box into the drainage pipe and blows it out through multiple air blowing pipes. This provides convective airflow to the brake discs near the stop plate, improving heat dissipation and accelerating the cooling of the brake discs. This prevents the brake discs from overheating and affecting the braking performance, thus ensuring the braking effect by accelerating the cooling of the brake discs. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the transport vehicle in this invention;

[0022] Figure 3 This is a schematic diagram of the transport track structure in this invention;

[0023] Figure 4This is a schematic diagram showing the installation of the buffer assembly, anti-tipping assembly, and cooling assembly in this invention;

[0024] Figure 5 This is a schematic diagram of the buffer component in this invention;

[0025] Figure 6 This is a partial structural diagram of the buffer component in this invention;

[0026] Figure 7 This is a schematic diagram of the anti-tipping component in the present invention;

[0027] Figure 8 This is a partial structural diagram of the anti-tipping component in this invention;

[0028] Figure 9 for Figure 8 A magnified view of part A in the middle;

[0029] Figure 10 This is a cross-sectional view of the slider in this invention;

[0030] Figure 11 This is a schematic diagram of the cooling component in the present invention.

[0031] Figure 12 This is a cross-sectional view of the cooling component in this invention.

[0032] In the diagram: 1. Transport track; 2. Transport vehicle; 21. Wheel; 22. Brake disc; 23. Contact plate; 3. Baffle plate; 4. Buffer assembly; 41. Buffer plate; 42. First friction block; 43. Rectangular hole; 44. First spring; 45. Impact plate; 46. Mounting bracket; 47. Electric push rod; 48. Connecting plate; 49. Fixing rod; 410. Slide plate; 411. Second friction block; 412. Outrigger; 5. Anti-tipping assembly; 51. First baffle; 52. Second baffle; 53. Hydraulic push rod; 54. Fixed plate; 55. Slide groove; 56. Limit box; 57. First wedge block; 58. Slider; 59. Second wedge block; 510. Groove; 511. Second spring; 512. Top plate; 513. Electromagnet; 514. Permanent magnet; 515. Rotating rod; 6. Cooling assembly; 61. Air storage box; 62. Air inlet pipe; 63. One-way air inlet valve; 64. Telescopic rod; 65. Drain pipe; 66. One-way air outlet valve; 67. Air blowing pipe; 68. Piston plate. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] To address the issue that existing transport vehicles 2 mostly rely on their own brake discs 22 for braking and deceleration, but if the transport vehicle 2 is carrying a large amount of slag, or is going downhill, the inertia of the transport vehicle 2 will be significant. In this case, relying solely on the brake discs 22 for braking will cause some damage to the brake discs 22 over time. Furthermore, the transport vehicle 2 still relies on the blocking device to come to a stop, but the brake discs 22 do not actually bring the transport vehicle 2 to a complete stop; it ultimately comes to a stop by impacting the blocking device, which will cause some damage to the blocking device and the transport track 1. Figure 1 - Figure 6 As shown, the following preferred technical solutions are provided:

[0035] A pipe jacking construction transport track blocking device includes a transport track 1 and a transport vehicle 2. Wheels 21 are symmetrically mounted on the bottom of the transport vehicle 2, each wheel 21 being slidably connected to the transport track 1. Brake discs 22 are symmetrically fixedly mounted on the bottom of the transport vehicle 2, each brake disc 22 located on both sides of an adjacent wheel 21. When the transport vehicle 2 is going downhill, it needs to brake using the brake discs 22 to prevent excessive impact force due to the inertia of the transport vehicle 2, which could directly collide with the blocking device. Contact plates 23 are symmetrically fixedly connected to the side walls of the transport vehicle 2. The contact plates 23 are used in conjunction with anti-tipping components 5 to prevent the transport vehicle 2 from tipping over after contacting the blocking device due to excessive inertia when going downhill. Blocking plates 3 are symmetrically fixedly connected to the top of the transport track 1, each blocking plate 3 having symmetrically fixed side walls. A buffer assembly 4 is installed. By setting the buffer assembly 4, when the body of the transport vehicle 2 comes into contact with the two first baffles 51, the first spring 44 will be compressed and move closer to the baffle 3. Then the wheel 21 enters between the two buffer plates 41. During the process of approaching the baffle 3, the friction force is continuously increased by the increasingly dense second friction blocks 411, thereby braking the transport vehicle 2. Then the wheel 21 of the transport vehicle 2 will come into contact with the second friction block 42 and the first friction block 411 again for friction braking. This allows the transport vehicle 2 to brake slowly during the braking process, avoiding the front of the transport vehicle 2 from tilting and overturning due to excessive braking force. It also avoids the situation where the brake disc 22 fails to stop the transport vehicle 2 and ultimately still impacts the blocking device, thus reducing damage to the transport track 1.

[0036] A tipping-off component 5 is slidably installed on the top of the buffer component 4. By setting the tipping-off component 5, if the amount of slag is large, the hydraulic push rod 53 is activated. The movable end of the hydraulic push rod 53 drives the second baffle 52 to rise to the upper limit position. During this process, the rotating rod 515 rotates and drives the slider 58 to move synchronously within the limit box 56. During the movement of the slider 58, the inclined surface of the second wedge block 59 moves along the inclined surface of the first wedge block 57. During this process, the second wedge block 59 compresses the second spring 511 and enters the groove 510. After leaving the adjacent first wedge block 57, under the elastic action of the second spring 511, it pushes the top plate 512 and the second wedge block. 59 is reset. The interaction between the second wedge block 59 and the adjacent first wedge block 57 limits the second wedge block 59, thereby supporting the rotating rod 515. The triangular structure formed between the second baffle 52 and the rotating rod 515 provides stable support for the second baffle 52. When the transport vehicle 2 comes into contact with the impact plate 45, even if it tilts forward, it can be supported by the second baffle 52 contacting the contact plate 23 of the transport vehicle 2. Under the action of the transport vehicle 2's own weight, it is reset, preventing the transport vehicle 2 from tilting forward. This would concentrate the weight on the front wheels, increase the force on the transport track 1, and increase the damage to the transport track 1.

[0037] Each baffle plate 3 has a cooling component 6 fixedly installed on its side wall. By setting the cooling component 6, since the brake disc 22 takes a long time to cool naturally, during the braking process of the transport vehicle 2 by the buffer plate 41, as the impact plate 45 approaches the baffle plate 3, it drives the telescopic rod 64 to move synchronously. At this time, the one-way air outlet valve 66 is opened, and the piston plate 68 is pushed by the telescopic rod 64. Using the pressure difference generated, the air in the air storage box 61 is forced into the drain pipe 65 and blown out through multiple air blowing pipes 67, thereby convective blowing on the brake disc 22 near the baffle plate 3, improving the heat dissipation of the brake disc 22, accelerating the cooling of the brake disc 22, and preventing the brake disc 22 from overheating and affecting the braking effect. By accelerating the cooling of the brake disc 22, its braking effect is ensured.

[0038] The buffer assembly 4 includes two buffer plates 41, which are symmetrically and fixedly connected to the side wall of the blocking plate 3. One end of each buffer plate 41 is an arc-shaped structure. Multiple legs 412 are fixedly connected to the bottom wall of each buffer plate 41. Impact plates 45 are slidably connected to the side walls of the two buffer plates 41. First springs 44 are symmetrically and fixedly connected to the side wall of the blocking plate 3. One end of each first spring 44 is fixedly connected to the side wall of the impact plate 45. Rectangular holes 43 are equidistantly opened on the side wall of each buffer plate 41. First friction blocks 42 are equidistantly and fixedly connected to the side wall of each buffer plate 41.

[0039] Each first friction block 42 is located between two adjacent rectangular holes 43. Each buffer plate 41 has a mounting bracket 46 fixedly connected to one side wall. An electric push rod 47 is fixedly connected to the side wall of the mounting bracket 46. The movable end of the electric push rod 47 passes through the side wall of the adjacent mounting bracket 46 and is fixedly connected to a connecting plate 48. Fixed rods 49 are fixedly connected at equal intervals to the side wall of the connecting plate 48. A sliding plate 410 is fixedly connected to one end of each fixed rod 49. Each sliding plate 410 is slidably connected inside the adjacent rectangular hole 43. A second friction block 411 is fixedly connected to the side of each sliding plate 410.

[0040] In this scheme: as the transport vehicle 2 approaches the impact plate 45, the electric push rod 47 is first activated. The electric push rod 47 works and extends, driving the connecting plate 48 and the sliding plate 410 to move along the rectangular hole 43 until the second friction block 411 is moved out of the rectangular hole 43. At this time, the first friction block 42 and the second friction block 411 are in the same vertical plane, and there are more second friction blocks 411 in each rectangular hole 43 closer to the blocking plate 3, so that the friction force generated when in contact with the impact plate 45 is greater. There is a gap between the impact plate 45 and the buffer plates 41 on both sides for friction with the first friction block 42 and the second friction block 411.

[0041] When the body of the transport vehicle 2 comes into contact with the two first baffles 51, it will compress the first spring 44 and move closer to the baffle 3. Then the wheel 21 enters between the two buffer plates 41. During the process of approaching the baffle 3, the friction force is continuously increased by the gradually denser second friction blocks 411, thereby braking the transport vehicle 2. Then the wheel 21 of the transport vehicle 2 will again come into contact with the second friction block 42 and the first friction block 411 for friction braking. By setting the second friction block 411 to be denser closer to the baffle 3, the transport vehicle 2 will brake slowly during the braking process, avoiding the front of the transport vehicle 2 from tilting and overturning due to excessive braking force, and avoiding the situation where the brake disc 22 fails to stop the transport vehicle 2 and ultimately still hits the blocking device, thus reducing the damage to the transport track 1.

[0042] After braking the transport vehicle 2 and cleaning out the slag inside, the electric push rod 47 retracts, moving the connecting plate 48, the sliding plate 410, and the second friction block 411 into the rectangular hole 43 to reduce friction on the wheels 21, so that the transport vehicle 2 can be moved out for subsequent use.

[0043] To address the technical limitation of vehicles 2 tilting forward and overturning due to their own inertia when braking is applied if the vehicle 2 has significant inertia, such as... Figure 3 - Figure 4 and Figure 7 - Figure 10As shown, the following preferred technical solutions are provided:

[0044] The anti-tipping component 5 includes a first baffle 51, which is fixedly connected to the top of the impact plate 45. A second baffle 52 is slidably connected to the top of the first baffle 51. A fixing plate 54 is fixedly connected to the side wall of the second baffle 52. A hydraulic push rod 53 is fixedly connected to the top of the impact plate 45. The movable end of the hydraulic push rod 53 is fixedly connected to the fixing plate 54.

[0045] The buffer plate 41 and the baffle plate 3 are both provided with a sliding groove 55 at their top ends. Each sliding groove 55 has a limit box 56 that is slidably connected to its inner wall. Multiple first wedge blocks 57 are fixedly connected at equal intervals to the top and bottom walls of the limit box 56. A slider 58 is slidably connected to the inner side wall of the limit box 56.

[0046] The top and bottom of the slider 58 are provided with grooves 510. A second spring 511 is fixedly connected to the inner wall of each groove 510. One end of the two second springs 511 is fixedly connected to the top plate 512. A second wedge block 59 is fixedly connected to the top of the top plate 512.

[0047] The inclined ends of the first wedge block 57 and the second wedge block 59 are in contact with each other. An electromagnet 513 is fixedly connected to the inner wall of each groove 510. A permanent magnet 514 is fixedly connected to the bottom of each top plate 512. A rotating rod 515 is rotatably connected to the side wall of the slider 58. One end of the rotating rod 515 is rotatably connected to the side wall of the second baffle 52.

[0048] In this scheme: if the transport vehicle 2 has a large inertia and still tilts forward after contacting the impact plate 45, to avoid this situation, before transporting, the weight of the slag inside the transport vehicle 2 can be judged. If the amount of slag is large, the hydraulic push rod 53 is activated. The movable end of the hydraulic push rod 53 drives the second baffle 52 to rise to the upper limit. During this process, the rotating rod 515 rotates and drives the slider 58 to move synchronously within the limit box 56. During the movement of the slider 58, the inclined surface of the second wedge block 59 moves along the inclined surface of the first wedge block 57. During this process, the second wedge block 59 compresses the second spring 511 and enters the groove 510. After leaving the adjacent first wedge block 57, the second spring 511... Under the elastic action, the top plate 512 and the second wedge block 59 are pushed to reset. The interaction between the second wedge block 59 and the adjacent first wedge block 57 limits the second wedge block 59, thereby supporting the rotating rod 515. The triangular structure formed between the second baffle 52 and the rotating rod 515 provides stable support for the second baffle 52. When the transport vehicle 2 comes into contact with the impact plate 45, it tilts forward in time. Alternatively, the second baffle 52 can contact the contact plate 23 of the transport vehicle 2 to support the transport vehicle 2. Under the action of the transport vehicle 2's own weight, it resets, preventing the transport vehicle 2 from tilting forward. This would concentrate the weight on the front wheels, increase the force on the transport track 1, and increase the damage to the transport track 1.

[0049] When the hydraulic push rod 53 needs to retract, the electromagnet 513 is energized, and the electromagnet 513 generates magnetism. Using the magnetic attraction generated by the adjacent surfaces of the electromagnet 513 and the permanent magnet 514, the top plate 512 and the second wedge block 59 are pulled into the groove 510. At this time, the second spring 511 is compressed, releasing the limit on the rotating rod 515. After the hydraulic push rod 53 completes retraction, the electromagnet 513 is de-energized. Under the elastic action of the second spring 511, the top plate 512 and the second wedge block 59 are reset.

[0050] To address the technical problem that the brake disc 22 needs to cool down naturally after braking, but this natural cooling process is time-consuming and overheating can affect the braking performance of the transport vehicle 2, such as... Figure 3 and Figure 11 - Figure 12 As shown, the following preferred technical solutions are provided:

[0051] The cooling assembly 6 includes an air storage box 61, which is fixedly connected to the side wall of the baffle plate 3. An air inlet pipe 62 is fixedly connected through the side wall of the air storage box 61. A one-way air inlet valve 63 is installed inside the air inlet pipe 62. Telescopic rods 64 are symmetrically fixedly connected to the side of the impact plate 45.

[0052] One end of each telescopic rod 64 passes through the side wall of the baffle plate 3 and extends into the air storage box 61. One end of the two telescopic rods 64 is fixedly connected to a piston plate 68. The piston plate 68 is slidably connected to the inner wall of the air storage box 61. Each telescopic rod 64 is located inside the adjacent first spring 44.

[0053] The top of the gas storage box 61 is symmetrically connected to a drain pipe 65. One end of each drain pipe 65 extends to the impact plate 45. A one-way air outlet valve 66 is installed inside the drain pipe 65. Multiple air blowing pipes 67 are fixedly connected to the side wall of each drain pipe 65 at equal intervals.

[0054] In this design: Since the brake disc 22 requires a long time to cool naturally, during the braking process of the buffer plate 41 on the transport vehicle 2, as the impact plate 45 approaches the blocking plate 3, it drives the telescopic rod 64 to move synchronously. At this time, the one-way air outlet valve 66 is opened, and the piston plate 68 is pushed by the telescopic rod 64. Using the pressure difference generated, the air in the air storage box 61 is forced into the drainage pipe 65 and blown out through multiple air blowing pipes 67, thereby providing convective air blowing to the brake disc 22 near the blocking plate 3, improving the heat dissipation of the brake disc 22 and accelerating its cooling. To prevent the brake disc 22 from overheating and affecting the braking effect, the braking effect is ensured by accelerating the cooling of the brake disc 22; the one-way exhaust valve 66 ensures that the air inside the air storage box 61 can only be discharged along the drain pipe 65; the telescopic rod 64 is existing technology, and it is equipped with a return spring inside. The elastic force of the return spring is greater than the pressure generated when compressing the air inside the air storage box 61. After the piston plate 68 discharges all the gas inside the air storage box 61, the telescopic rod 64 begins to retract, so as to prevent the transport vehicle 2 from not coming to a complete stop and affecting the braking of the transport vehicle 2;

[0055] After the slag is cleared, the one-way air intake valve 63 is opened. When the first spring 44 resets and pushes the impact plate 45 to reset, it drives the telescopic rod 64 to reset and pulls the piston plate 68 to move synchronously. At this time, the pressure difference generated allows external air to enter the air storage box 61 along the air intake pipe 62 for subsequent cooling of the brake disc 22. The one-way air intake valve 63 ensures that external air can only enter the air storage box 61 along the air intake pipe 62.

[0056] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0057] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A blocking device for a transport track in pipe jacking construction, comprising a transport track (1) and a transport vehicle (2), characterized in that: The transport vehicle (2) has wheels (21) symmetrically installed at the bottom. Each wheel (21) is slidably connected to the transport track (1). Brake discs (22) are symmetrically fixedly installed at the bottom of the transport vehicle (2). Each brake disc (22) is located on both sides of the adjacent wheel (21). Contact plates (23) are symmetrically fixedly connected to the side walls of the transport vehicle (2). Baffles (3) are symmetrically fixedly connected to the top of the transport track (1). Buffer components (4) are symmetrically fixedly installed on the side walls of each baffle (3). Anti-tipping components (5) are slidably installed on the top of each buffer component (4). Cooling components (6) are fixedly installed on the side walls of each baffle (3). The buffer assembly (4) includes two buffer plates (41), which are symmetrically fixedly connected to the side wall of the blocking plate (3). One end of each buffer plate (41) is an arc-shaped structure. Multiple legs (412) are fixedly connected to the bottom wall of each buffer plate (41). Impact plates (45) are slidably connected to the side walls of the two buffer plates (41). First springs (44) are symmetrically fixedly connected to the side walls of the blocking plate (3). One end of each first spring (44) is fixedly connected to the side wall of the impact plate (45). Rectangular holes (43) are equidistantly opened on the side walls of each buffer plate (41). First friction blocks (42) are equidistantly fixedly connected to the side walls of each buffer plate (41). The anti-tipping component (5) includes a first baffle (51), which is fixedly connected to the top of the impact plate (45). A second baffle (52) is slidably connected to the top of the first baffle (51). A fixing plate (54) is fixedly connected to the side wall of the second baffle (52). A hydraulic push rod (53) is fixedly connected to the top of the impact plate (45). The movable end of the hydraulic push rod (53) is fixedly connected to the fixing plate (54). The cooling assembly (6) includes an air storage box (61), which is fixedly connected to the side wall of the baffle plate (3). An air inlet pipe (62) is fixedly connected through the side wall of the air storage box (61). A one-way air inlet valve (63) is installed inside the air inlet pipe (62). Telescopic rods (64) are symmetrically fixedly connected to the side of the impact plate (45).

2. The track blocking device for pipe jacking construction transportation according to claim 1, characterized in that: Each of the first friction blocks (42) is located between two adjacent rectangular holes (43). Each buffer plate (41) has a mounting bracket (46) fixedly connected to one side wall. An electric push rod (47) is fixedly connected to the side wall of the mounting bracket (46). The movable end of the electric push rod (47) passes through the side wall of the adjacent mounting bracket (46) and is fixedly connected to a connecting plate (48). Fixed rods (49) are fixedly connected at equal intervals to the side wall of the connecting plate (48). A sliding plate (410) is fixedly connected to one end of each fixed rod (49). Each sliding plate (410) is slidably connected inside the adjacent rectangular hole (43). A second friction block (411) is fixedly connected to the side of each sliding plate (410).

3. The track blocking device for pipe jacking construction transportation according to claim 2, characterized in that: The buffer plate (41) and the blocking plate (3) are provided with a sliding groove (55) at their top ends. Each sliding groove (55) has a limit box (56) embedded in its inner wall. The top and bottom walls of the limit box (56) are fixedly connected with multiple first wedge blocks (57) at equal intervals. The inner side wall of the limit box (56) has a slider (58) embedded in its inner side wall.

4. A track blocking device for pipe jacking construction transportation according to claim 3, characterized in that: The slider (58) has grooves (510) at both the top and bottom. Each groove (510) has a second spring (511) fixedly connected to its inner wall. One end of each of the two second springs (511) is fixedly connected to a top plate (512). The top of the top plate (512) is fixedly connected to a second wedge block (59).

5. A track blocking device for pipe jacking construction transportation according to claim 4, characterized in that: The inclined ends of the first wedge block (57) and the second wedge block (59) are in contact with each other. An electromagnet (513) is fixedly connected to the inner wall of each groove (510). A permanent magnet (514) is fixedly connected to the bottom end of each top plate (512). A rotating rod (515) is rotatably connected to the side wall of the slider (58). One end of the rotating rod (515) is rotatably connected to the side wall of the second baffle (52).

6. A track blocking device for pipe jacking construction transportation according to claim 1, characterized in that: One end of each of the telescopic rods (64) extends through the side wall of the baffle plate (3) and into the air storage box (61). One end of the two telescopic rods (64) is fixedly connected to a piston plate (68). The piston plate (68) is slidably connected to the inner wall of the air storage box (61). Each of the telescopic rods (64) is located inside the adjacent first spring (44).

7. A track blocking device for pipe jacking construction transportation according to claim 1, characterized in that: The top of the gas storage box (61) is symmetrically connected to a drain pipe (65), one end of each drain pipe (65) extends to the impact plate (45), a one-way air valve (66) is installed inside the drain pipe (65), and multiple air blowing pipes (67) are equidistantly connected to the side wall of each drain pipe (65).

Images