Polyurethane cured track bed panel laying spreader

Abstract

The present disclosure relates to the field of railway construction, and provides a polyurethane solidified track bed track panel laying hoist. The hoist comprises two vertical plates, a clamp and a driving assembly; the clamp is arranged at the front and rear ends of the vertical plate, and comprises a first rotating shaft, a first connecting rod, a second connecting rod, a first clamping rod, a second clamping rod and a second rotating shaft; the first rotating shaft is located on the upper side of the second rotating shaft and is fixed to the vertical plate; one end of the first connecting rod is rotatably arranged in the first rotating shaft, and the other end is rotatably connected to the first movable section; one end of the second connecting rod is rotatably arranged in the first rotating shaft, and the other end is rotatably connected to the second movable section; the second rotating shaft comprises a second limiting section and a second rotating section, and the second limiting section is located on the side of the second rotating section facing the vertical plate; wherein the free end of the second limiting section is formed into a limiting gap, and the limiting gap is movably sleeved on one end of the vertical plate. According to the clamp provided by the present disclosure, the hoisting operation of the polyurethane solidified track bed track panel laying can be realized.

Description

Technical Field

[0001] This disclosure relates to the field of railway construction, and in particular to a polyurethane-cured track bed laying hoist. Background Technology

[0002] Polyurethane-cured track beds are increasingly widely used in high-speed railways, urban rail transit, and other projects due to their advantages such as strong integrity, high stability, and short maintenance cycle. This type of track bed uses polyurethane material to bond and cure the ballast into a monolithic structure. The corresponding track panels need to be prefabricated in the factory and then transported to the construction site for precise laying. The hoisting operation is the core connection between the track panels and the track bed foundation; its quality directly determines the laying accuracy, structural integrity, and subsequent operational safety of the polyurethane-cured track bed.

[0003] However, at present, there is a lack of specialized hoisting equipment for the hoisting of polyurethane-cured track bed rails. Summary of the Invention

[0004] In order to solve the above-mentioned technical problems, or at least partially solve the above-mentioned technical problems, the present invention provides a polyurethane-cured track bed track laying hoist.

[0005] This application provides a polyurethane-cured track bed laying hoist, comprising: two upright plates arranged opposite each other in the left-right direction; clamps provided at both ends of the upright plates, each clamp comprising a first rotating shaft, a first connecting rod, a second connecting rod, a first clamping rod, a second clamping rod, and a second rotating shaft; the first clamping rod comprising a first movable section, a first intermediate section, and a first clamping section connected in sequence, and the second clamping rod comprising a second movable section, a second intermediate section, and a second clamping section connected in sequence; the first rotating shaft is located above the second rotating shaft and fixed to the upright plate; one end of the first connecting rod is rotatably inserted through the first rotating shaft, and the other end... The second connecting rod is rotatably connected to the first movable section. One end of the second connecting rod is rotatably inserted through the first rotating shaft, and the other end is rotatably connected to the second movable section. The second rotating shaft includes a second limiting section and a second rotating section. The second limiting section is located on the side of the second rotating section facing the upright plate. The first intermediate section and the second intermediate section are rotatably sleeved on the second rotating section. A driving assembly is provided, which is connected to all four second rotating shafts and can drive the four second rotating shafts to move synchronously in the vertical direction. The free end of the second limiting section is formed as a limiting notch, which is movably fitted onto one end of the upright plate.

[0006] According to the polyurethane-cured track bed laying hoist provided in the embodiments of this application, the operator can drive the second rotating shaft to move upward by manipulating the drive component. The first connecting rod rotates upward around the first rotating shaft, the second connecting rod rotates upward around the first rotating shaft, the first clamping rod moves toward the first connecting rod, the second clamping rod moves toward the second connecting rod, the free end of the first clamping rod moves toward the direction away from the free end of the second clamping rod, and the free end of the second clamping rod moves toward the direction away from the free end of the first clamping rod, so that the clamp switches from the clamping state to the open state.

[0007] The operator can also manipulate the drive assembly to drive the second rotating shaft to move downwards, the first connecting rod to rotate downwards around the first rotating shaft, the second connecting rod to rotate downwards around the first rotating shaft, the first clamping rod to move vertically, the second clamping rod to move vertically, the free end of the first clamping rod to move toward the free end of the second clamping rod, and the free end of the second clamping rod to move toward the free end of the first clamping rod, so that the clamp switches from the open state to the clamping state.

[0008] During the switching between the clamping and open states of the fixture, the limiting notch on the second limiting section is always engaged with one end of the vertical plate. In this way, the vertical plate and the limiting notch cooperate to form the track for the movement of the second rotating shaft, ensuring that the movement trajectory of the second rotating shaft is fixed and preventing the second trajectory from shaking during movement. This ensures the working stability of the fixture and the accuracy of the clamping point when clamping the polyurethane-cured track bed rails, thereby achieving precise hoisting of the polyurethane-cured track bed rails.

[0009] In one possible implementation of this application, the polyurethane-cured track bed laying hoist further includes: a linkage plate, the linkage plate having elongated holes and connecting through holes spaced apart in the vertical direction, the second rotating section being rotatably inserted through the connecting through holes, the first rotating shaft extending into the elongated holes, and the driving assembly being connected to the linkage plate in a transmission manner.

[0010] In one possible implementation of this application, the first rotating shaft includes a first limiting segment and a first rotating segment connected together. The first limiting segment is located on the side of the first rotating segment facing the upright plate. The first limiting segment is provided with a connecting step, which is mounted on the upright plate and fixed to the upright plate.

[0011] In one possible implementation of this application, the clamp further includes a third rotating shaft, which is rotatably disposed through the first connecting rod and the first movable segment.

[0012] In one possible implementation of this application, the clamp further includes a fourth rotating shaft, which is rotatably disposed through the second connecting rod and the second movable segment.

[0013] In one possible implementation of this application, there are two second connecting rods, and the first pivot is sequentially inserted through the second connecting rod, the first connecting rod, and the second connecting rod.

[0014] In one possible implementation of this application, there are two first clamping rods, and the second rotating shaft is sequentially inserted through the first clamping rod, the second clamping rod, and the first clamping rod.

[0015] In one possible implementation of this application, the polyurethane-cured track bed laying hoist further includes a reinforcing rod connected between the two vertical plates.

[0016] In one possible implementation of this application, the polyurethane-cured track bed laying hoist further includes: a first linkage rod and a second linkage rod, both extending in the left-right direction, the first linkage rod being located in front of the second linkage rod, both the first and second linkage rods being rotatably mounted on two upright plates, the second rotating shafts of the two clamps located in the front being connected to the first linkage rod via pull ropes, and the second rotating shafts of the two clamps located in the rear being connected to the second linkage rod via pull ropes; and a driving device, the driving device being respectively connected to the first linkage rod and the second linkage rod, and capable of simultaneously driving the first linkage rod and the second linkage rod to rotate in opposite directions.

[0017] In one possible implementation of this application, the first rotating shaft is welded to the vertical plate. Attached Figure Description

[0018] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 A schematic diagram of a polyurethane-cured track bed laying hoist provided in some embodiments of this application; Figure 2 for Figure 1 Enlarged view of point A shown in the image; Figure 3 for Figure 2 A schematic diagram of the clamp at another angle shown; Figure 4 for Figure 1 The enlarged view of point B shown in the image.

[0021] Figure label: 100. Lifting equipment; 101. Vertical plate; 102. Reinforcing rod; 103. First plate; 104. Second plate; 110. Fixture; 111. First pivot; 1111. First limiting section; 1113. Connecting step; 112. First connecting rod; 113. Second connecting rod; 114. First clamping rod; 1141. First movable section; 1142. First intermediate section; 1143. First clamping section; 115. Second clamping rod; 1151. Second movable section; 1152. Second intermediate section; 1153. Second clamping section; 116. Second pivot; 1161. Second limiting section; 1163. Limiting notch; 117. Third pivot; 118. Fourth pivot; 119. Linkage plate; 1191. Elongated hole; 121. First linkage rod; 122. Second linkage rod; 123. Pull rope; 124. Third linkage rod; 125. Fourth linkage rod; 126. Rotating fan rod; 127. Drive device; 128. Round shaft; 129. Bracket. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of the present invention, the solutions of the present invention will be further described below. It should be noted that, unless otherwise specified, the embodiments of the present invention and the features thereof can be combined with each other.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the invention, but the invention may also be practiced in other ways different from those described herein; obviously, the embodiments in the specification are only some embodiments of the invention, and not all embodiments.

[0024] Polyurethane-cured track beds are increasingly widely used in high-speed railways, urban rail transit, and other projects due to their advantages such as strong integrity, high stability, and short maintenance cycle. This type of track bed uses polyurethane material to bond and cure the ballast into a monolithic structure. The corresponding track panels need to be prefabricated in the factory and then transported to the construction site for precise laying. The hoisting operation is the core connection between the track panels and the track bed foundation; its quality directly determines the laying accuracy, structural integrity, and subsequent operational safety of the polyurethane-cured track bed.

[0025] However, currently, there is a lack of specialized hoisting equipment for the hoisting of polyurethane-cured track bed rails, which affects the efficiency of the operation.

[0026] To resolve the above technical issues, please refer to Figures 1 to 4This application provides a polyurethane-cured track bed laying hoist 100, which includes two upright plates 101 and reinforcing rods 102. The two upright plates 101 are positioned in the left-right direction (e.g., Figure 1 The vertical plates 101 are spaced apart in the left-right direction (as shown in the diagram), and are arranged along the front-back direction (e.g., in the back-forward direction). Figure 1 Extending in the front-to-back direction (as shown), specifically, the upper and lower sides of the upright plate 101 may also be provided with a first flat plate 103 and a second flat plate 104, the first flat plate 103 and the second flat plate 104 extending in the upper-to-low direction (e.g., in the front-to-back direction). Figure 1 As shown in the diagram, the first plate 103 is positioned above the second plate 104, with the large surfaces of the first plate 103 and the second plate 104 arranged horizontally (e.g., along the vertical direction). Figure 1 The planar arrangement defined in the front-back and left-right directions shown), the vertical arrangement of the large surface of the upright plate 101 (e.g., along the...) Figure 1 (As shown in the planar arrangement defined in the front-back and up-down directions), the upright plate 101 is connected between the first flat plate 103 and the second plane, and the reinforcing rod 102 is connected between the second upright plate 101. In the specific implementation process, the reinforcing rod 102 can be welded to the upright plate 101 to achieve connection.

[0027] The number of reinforcing rods 102 can be multiple, and the multiple reinforcing rods 102 are spaced apart in the front-back direction. In the specific implementation process, the number of reinforcing rods 102 can be three.

[0028] The lifting device 100 also includes four clamps 110. Each of the two vertical plates 101 has a clamp 110 at one end of its extension direction. The clamps 110 can clamp the polyurethane-cured track bed rails to enable the lifting device 100 to lift the polyurethane-cured track bed rails. It can be understood that the clamps 110 have a clamping state and an open state. When the clamps 110 are in the clamping state, they can apply clamping force to the polyurethane-cured track bed rails. The four clamps 110 can be used to achieve stable lifting of the polyurethane-cured track bed rails. When the polyurethane-cured track bed rails are lifted to the target position, the clamps 110 can be adjusted to the unfolded state, and the lifting device 100 can lower the polyurethane-cured track bed rails.

[0029] Specifically, the clamp 110 may include a first rotating shaft 111, a first connecting rod 112, a second connecting rod 113, a first clamping rod 114, a second clamping rod 115, and a second rotating shaft 116. The first clamping rod 114 includes a first movable section 1141, a first intermediate section 1142, and a first clamping section 1143 connected in sequence. The second clamping rod 115 includes a second movable section 1151, a second intermediate section 1152, and a second clamping section 1153 connected in sequence.

[0030] The first rotating shaft 111 is located above the second rotating shaft 116 and is fixed to the upright plate 101. Specifically, the first rotating shaft 111 includes a first limiting section 1111 and a first rotating section connected together. The first limiting section 1111 is located on the side of the first rotating section facing the upright plate 101. The first limiting section 1111 is provided with a connecting step 1113. The connecting step 1113 is mounted on the upright plate 101 and fixed to the upright plate 101. In the specific implementation process, the connecting step 1113 is mounted on the first flat plate 103 and welded to the first flat plate 103.

[0031] One end of the first connecting rod 112 is rotatably inserted through the first rotating section, and the other end is rotatably connected to the first movable section 1141. Specifically, the first connecting rod 112 is provided with a through hole, the first rotating section is inserted through the through hole, and the radial dimension of the first limiting section 1111 is larger than the diameter of the through hole to prevent the first connecting rod 112 from disengaging from the first rotating section. The first movable section 1141 and the first connecting rod 112 can also be rotatably connected through the third rotating shaft 117.

[0032] One end of the second connecting rod 113 is rotatably inserted through the first rotating section, and the other end is connected to the second movable section 1151. Specifically, the second connecting rod 113 is provided with a through hole, the first rotating section is inserted through the through hole, and the second movable section 1151 and the second connecting rod 113 can also be rotatably connected through the fourth rotating shaft 118.

[0033] The second rotating shaft 116 includes a second limiting section 1161 and a second rotating section. The second limiting section 1161 is located on the side of the second rotating section facing the upright plate 101. The radial dimension of the second limiting section 1161 is greater than the radial dimension of the second rotating section. The first intermediate section 1142 and the second intermediate section 1152 are rotatably sleeved on the second rotating section. The free end of the second limiting section 1161 is formed into a limiting notch 1163. The limiting notch 1163 is movably sleeved on one end of the upright plate 101.

[0034] The lifting device 100 may also include a drive assembly, which is connected to four second rotating shafts 116 and can drive the four second rotating shafts 116 to move synchronously in the vertical direction.

[0035] In this way, the operator can manipulate the drive assembly to drive the second rotating shaft 116 to move upward, the first connecting rod 112 to rotate upward around the first rotating shaft 111, the second connecting rod 113 to rotate upward around the first rotating shaft 111, the first clamping rod 114 to move toward the first connecting rod 112, the second clamping rod 115 to move toward the second connecting rod 113, the free end of the first clamping rod 114 to move away from the free end of the second clamping rod 115, and the free end of the second clamping rod 115 to move away from the free end of the first clamping rod 114, so that the clamp 110 switches from the clamping state to the open state.

[0036] The operator can also manipulate the drive assembly to drive the second rotating shaft 116 to move downward, the first connecting rod 112 to rotate downward around the first rotating shaft 111, the second connecting rod 113 to rotate downward around the first rotating shaft 111, the first clamping rod 114 to move in the vertical direction, the second clamping rod 115 to move in the vertical direction, the free end of the first clamping rod 114 to move toward the free end of the second clamping rod 115, and the free end of the second clamping rod 115 to move toward the free end of the first clamping rod 114, so that the clamp 110 switches from the open state to the clamping state.

[0037] During the switching between the clamping state and the open state of the clamp 110, the limiting notch 1163 on the second limiting section 1161 is always engaged with one end of the upright plate 101. In this way, the upright plate 101 and the limiting notch 1163 cooperate to form the track for the movement of the second rotating shaft 116, ensuring that the movement trajectory of the second rotating shaft 116 is fixed and avoiding the second trajectory from shaking during movement. This ensures the working stability of the clamp 110 and the accuracy of the clamping point when the clamp 110 clamps the polyurethane-cured track bed rail panel, thereby achieving precise hoisting of the polyurethane-cured track bed rail panel.

[0038] In some embodiments of this application, the polyurethane-cured track bed laying hoist 100 may further include a linkage plate 119. The linkage plate 119 is provided with elongated holes 1191 spaced apart in the vertical direction and connecting through holes. The connecting through holes are sleeved on the second rotating section 1162, the first rotating section extends into the elongated holes 1191, and the drive assembly is connected to the linkage plate 119 for transmission.

[0039] Therefore, by setting the linkage plate 119, on the one hand, the drive component can drive the second rotating shaft 116 to move in the up and down direction by driving the linkage plate 119 to move in the up and down direction. By setting the elongated hole 1191, the moving distance of the second rotating shaft 116 can be limited, further ensuring the stability of the fixture 110 during operation.

[0040] In some embodiments of this application, there are two second connecting rods 113. The first rotating segment passes through the second connecting rod 113 in sequence, and the first connecting rod 112 and the second connecting rod 113. Thus, by setting two second connecting rods 113, the stability of the clamp 110 during the switching process between the clamping state and the unfolding state can be further guaranteed.

[0041] Furthermore, there are two first clamping rods 114, and the second rotating section 1162 is sequentially inserted through the first clamping rod 114, the second clamping rod 115 and the first clamping rod 114. By setting two first clamping rods 114, the stability of the clamp 110 during the switching process between the clamping state and the unfolding state can be further guaranteed.

[0042] In some embodiments of this application, the polyurethane-cured track bed laying hoist 100 may further include a first linkage rod 121 and a second linkage rod 122. Both the first linkage rod 121 and the second linkage rod 122 extend in the left-right direction. The first linkage rod 121 is located in front of the second linkage rod 122. Both the first linkage rod 121 and the second linkage rod 122 are rotatably mounted on two upright plates 101. The second rotating shafts 116 of the two clamps 110 located in the front are connected to the first linkage rod 121 through a pull rope 123. The second rotating shafts 116 of the two clamps 110 located in the rear are connected to the second linkage rod 122 through a pull rope 123. The driving device 127 is connected to the first linkage rod 121 and the second linkage rod 122 respectively, and can simultaneously drive the first linkage rod 121 and the second linkage rod 122 to rotate in opposite directions.

[0043] Specifically, from the right side view of the lifting device 100, the drive assembly can simultaneously drive the first linkage rod 121 to rotate clockwise and the second linkage rod 122 to rotate counterclockwise, so as to switch the four clamps 110 from the clamping state to the open state at the same time. The drive assembly can also simultaneously drive the first linkage rod 121 to rotate counterclockwise and the second linkage rod 122 to rotate clockwise, so as to switch the four clamps 110 from the open state to the clamping state at the same time.

[0044] In order to ensure the load-bearing capacity, a chain can be used.

[0045] In some embodiments of this application, the lifting device 100 may further include a third linkage rod 124, a fourth linkage rod 125, and a rotating fan rod 126. The third linkage rod 124, the fourth linkage rod 125, the rotating fan rod 126, and the driving device 127 are located between the first linkage rod 121 and the second linkage rod 122. The driving device 127 is a telescopic motor. The rotating fan rod 126 is rotatably mounted on the reinforcing rod 102 via a bracket 129. Specifically, a round shaft 128 is fixed at the middle position between the bracket 129 and the rotating fan rod 126. One end of the third linkage rod 124 is rotatably connected to the first linkage rod 121, and the other end is rotatably connected to one end of the rotating fan rod 126. One end of the fourth linkage rod 125 is rotatably connected to the second linkage rod 122, and the other end is rotatably connected to the other end of the rotating fan rod 126.

[0046] The drive device 127 is fixed to the reinforcing rod 102. The telescopic motor and the round shaft 128 of the rotating fan rod 126 are connected by a linkage. One end of the linkage is fixed to the round shaft 128, and the other end is rotatably connected to the output shaft of the telescopic motor. Thus, the rotation of the rotating fan rod 126 is driven by the telescopic movement of the output shaft of the telescopic motor, which in turn drives the third linkage rod 124 and the fourth linkage rod 125, and in turn drives the rotation of the first linkage rod 121 and the second linkage rod 122.

[0047] It should be noted that, in this document, relational terms such as "first" and "second" are used merely 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 a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0048] The above description is merely a specific embodiment of the present invention, enabling those skilled in the art to understand or implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not to be limited to the embodiments described herein, but is to be accorded the widest scope consistent with the principles and novel features of the invention herein.

Claims

1. A polyurethane-cured track bed track laying hoist, characterized in that, include: Two upright plates are arranged opposite each other in the left-right direction; Clamps are provided at both the front and rear ends of the upright plate. Each clamp includes a first rotating shaft, a first connecting rod, a second connecting rod, a first clamping rod, a second clamping rod, and a second rotating shaft. The first clamping rod includes a first movable section, a first intermediate section, and a first clamping section connected in sequence. The second clamping rod includes a second movable section, a second intermediate section, and a second clamping section connected in sequence. The first rotating shaft is located above the second rotating shaft and fixed to the upright plate. One end of the first connecting rod is rotatably inserted through the first rotating shaft, and the other end is rotatably connected to the first movable section. One end of the second connecting rod is rotatably inserted through the first rotating shaft, and the other end is rotatably connected to the second movable section. The second rotating shaft includes a second limiting section and a second rotating section. The second limiting section is located on the side of the second rotating section facing the upright plate. The first intermediate section and the second intermediate section are rotatably sleeved on the second rotating section. A drive assembly is connected to all four second rotating shafts and can drive the four second rotating shafts to move synchronously in the vertical direction; The free end of the second limiting segment is formed as a limiting notch, and the limiting notch is movably fitted onto one end of the upright plate.

2. The polyurethane-cured track bed laying hoist according to claim 1, characterized in that, Also includes: The linkage plate has elongated holes and connecting through holes spaced apart in the vertical direction. The second rotating segment is rotatably inserted through the connecting through hole. The first rotating shaft extends into the elongated hole. The driving component is connected to the linkage plate in a transmission manner.

3. The polyurethane-cured track bed laying hoist according to claim 1, characterized in that, The first rotating shaft includes a first limiting section and a first rotating section connected together. The first limiting section is located on the side of the first rotating section facing the upright plate. The first limiting section is provided with a connecting step, which is mounted on the upright plate and fixed to the upright plate.

4. The polyurethane-cured track bed laying hoist according to claim 1, characterized in that, The clamp also includes a third rotating shaft, which is rotatably inserted through the first connecting rod and the first movable section.

5. The polyurethane-cured track bed laying hoist according to claim 1, characterized in that, The clamp also includes a fourth rotating shaft, which is rotatably inserted through the second connecting rod and the second movable section.

6. The polyurethane-cured track bed laying hoist according to claim 1, characterized in that, There are two second connecting rods, and the first rotating shaft is sequentially inserted through the second connecting rod, the first connecting rod, and the second connecting rod.

7. The polyurethane-cured track bed laying hoist according to claim 1, characterized in that, There are two first clamping rods, and the second rotating shaft is sequentially inserted through the first clamping rod, the second clamping rod, and the first clamping rod.

8. The polyurethane-cured track bed laying hoist according to claim 1, characterized in that, Also includes: A reinforcing rod is provided, which connects the two upright plates.

9. The polyurethane-cured track bed laying hoist according to claim 1, characterized in that, Also includes: The first linkage rod and the second linkage rod both extend in the left and right direction. The first linkage rod is located in front of the second linkage rod. The first linkage rod and the second linkage rod are rotatably mounted on the two upright plates. The second rotating shaft of the two clamps located in front is connected to the first linkage rod by a pull rope. The second rotating shaft of the two clamps located in the rear is connected to the second linkage rod by a pull rope. A driving device is connected to the first linkage rod and the second linkage rod respectively, and can simultaneously drive the first linkage rod and the second linkage rod to rotate in opposite directions.

10. The polyurethane-cured track bed laying hoist according to claim 1, characterized in that, The first rotating shaft is welded to the vertical plate.

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