A slope measuring device for ballastless track slab surface construction

Abstract

The present invention provides a slope measuring device for the surface construction of a ballastless track track plate, comprising a trolley assembly, a measuring assembly and at least four leveling assemblies, wherein the trolley assembly can move along the extension direction of the ballastless track, the trolley assembly comprises a frame, at least two spring running wheel assemblies and at least two adjustable running wheel assemblies, wherein the two spring running wheel assemblies are arranged on the first side of the frame, and the two adjustable running wheel assemblies are arranged on the second side of the frame, and the frame is adjustable in a direction perpendicular to its running direction; the measuring assembly comprises a flat plate and a plurality of measuring instruments, wherein the flat plate is horizontally arranged on the frame, and the plurality of measuring instruments are arranged on the flat plate in a longitudinal and transverse arrangement, the measuring instruments are staggered with the frame, and the measuring instruments emit detection light downward; the leveling assembly is connected between the flat plate and the frame, and the four leveling assemblies are arranged on both sides of the flat plate, and the leveling assembly can adjust the horizontality of the flat plate. The present invention has the advantages of simple operation, high measurement accuracy, high practicality, and the like.

Description

Technical Field

[0001] The invention relates to the field of ballastless track construction equipment, and in particular to a slope measuring device for the surface construction of a track plate of a ballastless track. Background Art

[0002] In the process of ballastless track construction, here we take tunnel engineering as an example, if a double-block ballastless track structure is adopted, the track plate adopts the cast-in-place concrete construction process of the track frame method, such as Figure 1 As shown, since the track slab surface needs to be set with a certain drainage slope according to the design requirements, the surface of the straight track slab is designed with a herringbone slope for outward drainage on both sides, and the surface of the curved track slab is designed with a single-sided inclined drainage slope. The drainage slope of both is designed to be 2%.

[0003] At present, during the construction of cast-in-place concrete for track slabs, the slope control of the concrete surface is generally carried out manually with a concrete trowel. Due to the use of the rail rack method, the workers' operating space during the construction process is relatively narrow. During the construction process, workers are required to use their construction experience and skills to smear the surface concrete into the slope required by the design in the blank area between the rail rack and the double-block sleepers. However, manual operation requires observation by the eyes of the operator, which can easily lead to large slope errors and fail to meet the design requirements. In addition, there are no special measuring equipment and slope control devices during the construction process, which often results in poor surface flatness of the track slab after demolding after the construction is completed. There are many concave and convex pits on the slope, which is not only unsightly, but also causes water accumulation on the track slab, which can easily cause safety hazards during the later railway operation. Summary of the invention

[0004] The purpose of the present invention is to provide a slope measuring device for ballastless track slab surface construction which has the advantages of simple operation, high measuring accuracy and high practicality.

[0005] In order to achieve the above-mentioned purpose, the present invention provides a slope measuring device for the surface construction of a ballastless track track plate, comprising a trolley assembly, a measuring assembly and a plurality of leveling assemblies, the trolley assembly can travel along the extension direction of the ballastless track, the trolley assembly comprises a frame, at least two spring running wheel assemblies and at least two adjustable running wheel assemblies, the two spring running wheel assemblies are arranged on a first side of the frame, the two adjustable running wheel assemblies are arranged on a second side of the frame, and the center of the frame is adjustable in a direction perpendicular to its traveling direction; the measuring assembly comprises a flat plate and a plurality of measuring instruments, the flat plate is horizontally arranged on the frame, the plurality of measuring instruments are arranged on the flat plate in a longitudinal and transverse arrangement, in the vertical direction, the measuring instruments are staggered with the frame, and the measuring instruments emit detection light downward; the leveling assembly is connected between the flat plate and the frame, the plurality of leveling assemblies are arranged on both sides of the flat plate, and the leveling assembly can adjust the horizontality of the flat plate.

[0006] It can be seen from the above scheme that by setting the trolley assembly, it is conducive to driving the entire slope measuring device to move along the extension direction of the ballastless track to measure the concrete slope of the track plate surface of the entire ballastless track, which is conducive to guiding workers to perform slope construction operations during the concrete construction process, and can detect and accept whether the construction surface meets the design requirements after the construction is completed; by setting the frame to be adjustable in the vertical direction of its walking, the center of the frame is adjusted to align with the center of the ballastless track before measurement, which is conducive to ensuring the accuracy of the measurement data, especially the accuracy of the measurement data of the straight section ballastless track; by setting the leveling assembly, it is conducive to adjusting the horizontality of the plate to make it in a horizontal state, which is conducive to ensuring the readiness of the measurement data, especially the accuracy of the measurement data of the curved section ballastless track; the slope measuring device of the present invention can realize the functions of real-time walking, real-time measurement, and real-time feedback during the concrete pouring process, which is convenient for guiding workers to control the slope control of the concrete surface of the track plate. The slope measuring device of the present invention has the advantages of simple operation, high use efficiency, extremely significant on-site implementation effect, high degree of standardized construction, and no safety hazards to later operations. The invention can be applied to both straight segments and curved segments, that is, it can test the slope of a herringbone slope and the slope of a single-sided inclined drainage, and has the advantages of strong adaptability and good practicability.

[0007] A further solution is that the spring walking wheel assembly includes a first base, a sliding rod, an elastic member, a first walking wheel, a first connecting rod and two first mounting plates. The first walking wheel is rotatably connected between the two first mounting plates through the first connecting rod. The rotation direction of the first walking wheel is tangent to the walking direction of the trolley assembly. The first base is movably connected to the two first mounting plates through the sliding rod. The elastic member elastically abuts between the first mounting plate and the first base. The sliding rod is arranged parallel to the first connecting rod. In the axial direction of the sliding rod, the first base can move relative to the first walking wheel.

[0008] A further solution is that the pitch-adjustable walking wheel assembly includes a second base, a pitch-adjusting screw, a second walking wheel, a second connecting rod and two second mounting plates. The second walking wheel is rotatably connected between the two second mounting plates through the second connecting rod. The rotation direction of the second walking wheel is tangent to the walking direction of the trolley assembly. The second base is threadedly connected to the two second mounting plates respectively through the pitch-adjusting screw, and the pitch-adjusting screw is arranged parallel to the second connecting rod; the pitch-adjusting screw can drive the second base to move relative to the second walking wheel.

[0009] It can be seen from the above scheme that the second base is driven to move relative to the second running wheel by setting a pitch adjusting screw, and the first base is set to move relative to the first running wheel, which is used to adjust the center of the frame and the measuring assembly to align with the center of the ballastless track. The structure is simple and the operation is convenient.

[0010] A further solution is that the measuring assembly also includes a level, the level is arranged on the flat plate, and the level and the measuring instrument are arranged in a staggered manner.

[0011] A further solution is that the number of the level gauges is set to four, and the four level gauges are respectively arranged on the corners of the flat plate, and the level gauges are electronic level gauges.

[0012] It can be seen from the above scheme that by setting a level meter, it is convenient to observe whether the flat plate has reached a horizontal state when adjusting the levelness of the flat plate, which is helpful to save adjustment time and ensure that the flat plate is in a horizontal state.

[0013] A further solution is that the leveling assembly includes a movable support plate, a leveling screw, a leveling nut and a nut fixing cover, the upper part of the leveling screw is hinged to the movable support plate, the nut fixing cover is fixedly connected to the frame, the lower part of the leveling screw passes through the nut fixing cover and is threadedly connected to the frame, the leveling nut is threadedly connected to the middle part of the leveling screw, the leveling nut is rotatably connected to the nut fixing cover, and the leveling nut can drive the leveling screw to move along its own axial direction relative to the frame.

[0014] A further solution is that the leveling nut is provided with a connecting end and a rotating operating end along its own axial direction, a receiving groove is opened in the nut fixing cover, the connecting end is arranged in the receiving groove and can rotate in the receiving groove, and the rotating operating end is arranged outside the receiving groove.

[0015] It can be seen from the above scheme that by setting the leveling nut and the leveling screw, when necessary, the leveling nut can be turned to drive the leveling screw to move in the vertical direction to achieve the leveling operation of the flat plate. Since the leveling nut is threadedly connected to the leveling screw, the leveling screw can be raised to any distance, and after the flat plate is leveled, it plays a locking role to prevent the leveling screw from accidentally falling, thereby avoiding the flat plate from accidentally changing its horizontal state during the measurement process.

[0016] A further solution is that the frame includes two support bottom beams, at least two support longitudinal beams, at least four support vertical supports, at least two support cross beams, at least two transverse inner support beams and multiple push rods; the two support bottom beams are respectively arranged on both sides of the frame, and the support bottom beams extend along the walking direction; the four support vertical supports are respectively arranged on the ends of the support bottom beams, and the support vertical supports extend along the vertical direction; the support longitudinal beam is extended along the walking direction and connected between the two support vertical supports, and the support longitudinal beam is arranged above the support bottom beam; the support cross beam is connected between the two support longitudinal beams; the transverse inner support beam is connected between the two support bottom beams, and the transverse inner support beam is located below the support cross beam; multiple push rods are arranged on the two outer sides of the frame, and on the horizontal projection plane, one end of the push rod protrudes from the side wall of the plate.

[0017] It can be seen from the above scheme that by setting up a frame-type frame, on the one hand, sufficient avoidance space is created for the detection light emitted by the measuring instrument, and on the other hand, it is helpful to reduce the weight of the frame and facilitate its movement; by setting up a push rod, it is convenient for workers to push the slope measuring device along the ballastless track.

[0018] A further solution is that a control system, a display screen and a power supply device are arranged on the frame, the control system is respectively connected with the measuring instrument and the display screen for data, and the power supply device is respectively connected with the control system, the display screen and the measuring instrument for electrical connection.

[0019] It can be seen from the above scheme that the control system is configured to calculate and process the detection data of each measuring instrument and display it on the display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the ballastless track construction process in the prior art.

[0021] Figure 2 It is a horizontal structural diagram of an embodiment of a slope measuring device of the present invention.

[0022] Figure 3 It is a longitudinal structural diagram of an embodiment of a slope measuring device of the present invention.

[0023] Figure 4 It is a top view of the trolley assembly and the measuring assembly in the embodiment of the slope measuring device of the present invention.

[0024] Figure 5 It is a structural diagram of a spring travel wheel assembly in an embodiment of a slope measuring device of the present invention.

[0025] Figure 6 It is a structural diagram of the adjustable distance travel wheel assembly in the embodiment of the slope measuring device of the present invention.

[0026] Figure 7 yes Figure 2 Enlarged view of point A in the middle.

[0027] Figure 8 It is an exploded view of the leveling nut and the nut fixing cover in the embodiment of the slope measuring device of the present invention.

[0028] Fig. 9 It is a structural diagram of a slope measuring device installed on a straight segment track in an embodiment of the slope measuring method of the present invention.

[0029] Fig.10 It is a schematic diagram of the measurement process of a straight segment track in an embodiment of the slope measurement method of the present invention.

[0030] Fig.11 It is a schematic diagram of a concrete surface in one of the embodiments of the slope measurement method of the present invention.

[0031] Fig.12 It is a structural diagram of a slope measuring device installed on a curved track in an embodiment of the slope measuring method of the present invention.

[0032] Fig.13 It is a schematic diagram of the measurement process of a curved track segment in an embodiment of the slope measurement method of the present invention.

[0033] Fig.14 It is a schematic diagram of a concrete surface in one of the embodiments of the slope measurement method of the present invention.

[0034] The present invention is further described below in conjunction with the accompanying drawings and embodiments. DETAILED DESCRIPTION

[0035] See also Figure 1 In the prior art, the ballastless track is provided with two double-block sleepers 10, two rails 20 and a rail rack 30. The two double-block sleepers 10 are arranged in a left-right direction, the rails 20 are arranged on the double-block sleepers 10, and the rail rack 30 is arranged above the ballastless track. The middle of the rail rack 30 is fixedly connected to the side wall of the rail 20 for fixing the rail 20. The top surface of the rail 20 is exposed outside the rail rack 30. The track slab concrete 40 is poured around the double-block sleepers 10 and is located below the rail rack 30. In the extension direction of the ballastless track, a plurality of rail racks 30 are arranged, and a space is reserved between two adjacent rail racks 30 for the convenience of workers' construction.

[0036] Slope measurement device embodiment

[0037] See also Figures 2 to 4 The present embodiment provides a slope measuring device for the surface construction of a ballastless track track slab, which is arranged on the steel rail 20 of the ballastless track, and the slope measuring device is higher than the track frame 30, so that the slope measuring device can move on the steel rail 20 along the extension direction of the ballastless track without being affected by the track frame 30. The device is used to measure in real time whether the surface slope of the track slab meets the design requirements when the concrete 40 on the track slab is being constructed. If the requirements are not met, the workers can be guided to perform operations such as filling or reducing the concrete 40 before the concrete 40 solidifies, thereby finally achieving the control of the slope of the concrete 40 on the track slab surface until the design requirements are met.

[0038] The slope measuring device provided in this embodiment includes a trolley assembly 2, a measuring assembly 3 and four leveling assemblies 4. The measuring assembly 3 is arranged on the trolley assembly 2, the leveling assembly 4 is connected between the trolley assembly 2 and the measuring assembly 3, and the four leveling assemblies 4 are arranged on the left and right sides of the trolley assembly 2. The leveling assembly 4 can adjust the horizontality of the plate 31.

[0039] The trolley assembly 2 can move along the extension direction of the ballastless track, that is, the travel direction of the trolley assembly 2 is parallel to the extension direction of the ballastless track. The trolley assembly 2 includes a frame 21, two spring running wheel assemblies 22 and two adjustable running wheel assemblies 23. The two spring running wheel assemblies 22 are arranged on a first side of the frame 21 along the travel direction, and the two adjustable running wheel assemblies 23 are arranged on a second side of the frame 21 along the travel direction. In the vertical travel direction, the center of the frame 21 can be adjusted left and right so that the center of the frame 21 is aligned with the center of the ballastless track.

[0040] The measuring assembly 3 includes a flat plate 31 and a plurality of measuring instruments 32. The flat plate 31 is horizontally arranged on the frame 21. The plurality of measuring instruments 32 are arranged on the flat plate 31 in a longitudinal and transverse arrangement. It is preferable that a measuring instrument 32 is arranged on the center line of the flat plate 31 parallel to the walking direction. The heights of all measuring instruments 32 are set to be consistent. In the vertical direction, the measuring instruments 32 are staggered with the frame 21 so that the detection light emitted downward by the measuring instruments 32 can pass through the frame 21 to reach the surface of the concrete 40, and is used to detect the height from the measuring instruments 32 to the surface of the concrete 40. Since a plurality of measuring instruments 32 are arranged in a transverse arrangement, the heights from a plurality of points on the transverse slope of the concrete 40 to the corresponding measuring instruments 32 can be measured. The measuring instruments 32 of this embodiment are preferably laser measuring instruments 32.

[0041] The frame 21 is provided with a control system, a display screen 24 and a power supply device 25. The control system is respectively connected to the measuring instrument 32 and the display screen 24 for data, and the power supply device 25 is respectively electrically connected to the control system, the display screen 24 and the measuring instrument 32. The data detected by each measuring instrument 32 is fed back to the control system, and the control system obtains the slope of the concrete 40 slope by calculating and processing the measured data, and displays it on the display screen 24 for workers to watch. In order to display more intuitively, it is preferred to display the measured data and the calculation results in a graphical form. Specifically, the preset slope is displayed on the display screen 24 according to the slope design requirements, and then each measured data is matched to the corresponding position of the preset slope and connected together by connecting lines to form an actual slope. The preset slope and the actual slope are displayed in different colors, so that workers can see at a glance where the standard is met and where it is not met.

[0042] The power supply device 25 is preferably a storage battery, which is convenient for the movement of the slope measuring device and for timely replacement of the battery when the power is insufficient to ensure normal operation.

[0043] See also Figure 5The spring travel wheel assembly 22 includes a first base 221, a slide bar 222, an elastic member 223, a first travel wheel 224, a first connecting rod 225 and two first mounting plates 226. The first travel wheel 224 is rollingly arranged on the rail 20 of the ballastless track, and the two first mounting plates 226 are located at both ends of the axial direction of the first travel wheel 224. The first travel wheel 224 is rotatably connected between the two first mounting plates 226 through the first connecting rod 225, and the rotation direction of the first travel wheel 224 is tangent to the travel direction of the trolley assembly 2. The first base 221 is movably connected to the two first mounting plates 226 respectively through the slide bar 222, the slide bar 222 is arranged parallel to the first connecting rod 225, and the elastic member 223 elastically abuts between the first mounting plate 226 and the first base 221. Specifically, the first base 221 includes a first top plate and two first connecting plates, and the two first connecting plates are parallelly connected to the bottom wall of the first top plate. The two first mounting plates 226 are both arranged between the two first connecting plates, the first end of the slide bar 222 is fixedly connected to the first first connecting plate, the middle of the slide bar 222 passes through the two first mounting plates 226, the second end of the slide bar 222 slidably passes through the second first connecting plate, and the elastic member 223 elastically abuts between the first mounting plate 226 and the second first connecting plate. In the axial direction of the slide bar 222, the first base 221 can move relative to the first walking wheel 224.

[0044] See also Figure 6 The pitch-adjustable walking wheel assembly 23 includes a second base 231, a pitch-adjustable screw 232, a second walking wheel 233, a second connecting rod 234 and two second mounting plates 235. The second walking wheel 233 is rollingly arranged on the rail 20 of the ballastless track, and the two second mounting plates 235 are located at both ends of the axial direction of the second walking wheel 233. The second walking wheel 233 is rotationally connected between the two second mounting plates 235 through the second connecting rod 234, and the rotation direction of the second walking wheel 233 is tangent to the walking direction of the trolley assembly 2. The second base 231 is threadedly connected to the two second mounting plates 235 respectively through the pitch-adjustable screw 232, and the pitch-adjustable screw 232 is arranged parallel to the second connecting rod 234. Specifically, the second base 231 includes a second top plate and two second connecting plates, and the two second connecting plates are fixedly connected to the bottom wall of the second top plate in parallel, and the two second mounting plates 235 are both located between the two second connecting plates. The pitch-adjusting screw 232 is threadedly connected to the two second mounting plates 235 and the two second connecting plates at the same time, and both ends of the pitch-adjusting screw 232 protrude from the outside of the second connecting plates. A stopper is provided in the middle of the pitch-adjusting screw 232, and the end faces of both ends of the stopper are respectively in contact with the two second mounting plates 235. A stopper is provided at the first end of the pitch-adjusting screw 232, and a rotating handle is provided at the second end of the pitch-adjusting screw 232, so that the worker can drive the pitch-adjusting screw 232 to rotate. The pitch-adjusting screw 232 can drive the second base 231 to move relative to the second walking wheel 233.

[0045] The frame 21 is simultaneously arranged on the first base 221 and the second base 231. When the pitch adjusting screw 232 rotates, it can drive the second base 231 to move along the axial direction of the pitch adjusting screw 232, thereby driving the frame 21 and the first base 221 to move synchronously with the second base 231, thereby realizing the alignment of the center of the slope measuring device with the center of the ballastless track.

[0046] See also Figure 7 and Figure 8 , and combined with Figure 2 The leveling assembly 4 includes a movable support plate 41, a leveling screw 42, a leveling nut 43 and a nut fixing cover 44. The movable support plate 41 is fixedly connected to the bottom wall of the flat plate 31, and the movable support plate 41 is provided with a hinge seat. The upper part of the leveling screw 42 is hinged to the hinge seat, and the movable support plate 41 can rotate around the upper end of the leveling screw 42. The nut fixing cover 44 is fixedly connected to the frame 21, and the lower part of the leveling screw 42 passes through the nut fixing cover 44 and is threadedly connected to the frame 21. The leveling nut 43 is threadedly connected to the middle part of the leveling screw 42, and the leveling nut 43 is rotatably connected to the nut fixing cover 44. The leveling nut 43 can drive the leveling screw 42 to move relative to the frame 21 along its own axial direction, thereby driving the flat plate 31 to move up and down.

[0047] Specifically, the leveling nut 43 is provided with a connection end 431 and a rotation operation end 432 along its own axial direction, and threaded holes connected to the leveling screw 42 are provided on the inner sides of the connection end 431 and the rotation operation end 432. A receiving groove 441 is provided in the nut fixing cover 44, and a through hole 442 is provided on the upper side of the receiving groove 441 to communicate with each other, and the diameter of the through hole 442 is smaller than the inner diameter of the receiving groove 441. The connection end 431 is arranged in the receiving groove 441 through the through hole 442, and the connection end 431 can rotate around its own axial direction in the receiving groove 441, so that the leveling nut 43 and the nut fixing cover 44 cannot be separated in the axial direction, but can rotate relatively. The rotation operation end 432 is arranged on the outer side of the receiving groove 441, so that it is convenient for workers to turn the rotation operation end 432.

[0048] exist Figure 4 In the embodiment, the measuring assembly 3 further includes four levels 34, which are respectively arranged at the four corners of the flat plate 31, and the levels 34 are staggered with the measuring instrument 32. The levels 34 may be bubble levels or electronic levels, and the electronic levels 34 are preferably used in this embodiment.

[0049] exist Figures 2 to 4In the figure, the frame 21 includes a support bottom beam 211, two support longitudinal beams 212, four support vertical supports 213, two support cross beams 214, two transverse inner support beams 215 and four push rods 216. The support bottom beam 211, the support longitudinal beams 212, the support vertical supports 213, the support cross beams 214 and the transverse inner support beams 215 form a rectangular frame. Specifically, the two support bottom beams 211 are respectively arranged on the left and right sides of the frame 21, and the support bottom beam 211 extends along the walking direction. The four support vertical supports 213 are respectively arranged on the ends of the support bottom beam 211, and the support vertical supports 213 extend in the vertical direction. The support longitudinal beam 212 is connected between the two support vertical supports 213 in the longitudinal direction, and the support longitudinal beam 212 is arranged above the support bottom beam 211. The support cross beam 214 is connected between the two support longitudinal beams 212, and the transverse inner support beam 215 is connected between the two support bottom beams 211, and the transverse inner support beam 215 is located below the support cross beam 214. Four push rods 216 are respectively arranged on the left and right sides of the frame 21. The push rods 216 are protrudingly fixed to the outer side of the support longitudinal beam 212. On the horizontal projection plane, the edges of the plate 31 protrude from the corresponding side walls of the frame 21, and one end of the push rod 216 away from the support longitudinal beam 212 protrudes from the side wall of the plate 31.

[0050] See also Fig. 9 and Fig.14 This embodiment also provides a slope measurement method for the surface construction of a ballastless track track plate, and the slope measurement method needs to use the slope measurement device of the above embodiment. The ballastless track includes a straight track and a curved track. The straight track uses a herringbone slope to drain water on both sides of the track, and the curved track uses a single-sided slope to drain water inside the track.

[0051] The slope measurement method also includes the following steps:

[0052] Step 1: Before pouring track slab concrete, install a slope measuring device on two rails 20 of the ballastless track so that the slope measuring device can move along the ballastless track.

[0053] Step 2: Level the flat plate 31 by using the leveling assembly 4 so that the flat plate 31 is in a horizontal state.

[0054] Step three, adjusting the center of the measuring assembly 3 to align with the center of the ballastless track through the spring running wheel assembly 22 and the spacing-adjusting running wheel assembly 23, that is, adjusting the center of the plate 31 to align with the center of the ballastless track.

[0055] Step 4: pour the track slab concrete and preliminarily finish the concrete surface a0 so that the slope of the concrete surface is close to the slope required by the design.

[0056] Step 5: Start the measuring instrument 32 to measure and calculate the actual slope of the concrete surface.

[0057] Step six, trimming the concrete surface slope according to the calculation results, so that the trimmed concrete surface meets the design slope requirement, that is, basically coincides with the preset concrete surface A0. The concrete surface slope can be trimmed by filling or reducing material.

[0058] exist Fig.10 In one embodiment, measuring and calculating the slope of the concrete surface includes:

[0059] The preset height distances from each measuring instrument 32 to the corresponding concrete surface are calculated in advance according to the slope design requirements. Each measuring instrument 32 has a corresponding preset height distance, such as the preset height distance H1 for the 1# measuring instrument 32.

[0060] Each measuring instrument 32 is controlled to measure the actual height of the concrete surface directly below it and feed it back to the control system. Each measuring instrument 32 corresponds to an actual height, such as the actual height of the 1# measuring instrument 32 is h1.

[0061] The actual height distance is compared with the corresponding preset height distance to obtain a surface leveling value D, where the surface leveling value D is the difference between the actual concrete surface and the preset concrete surface in the vertical direction.

[0062] The worker trims the concrete surface a0 according to the obtained surface leveling value D, so that the trimmed concrete surface substantially coincides with the preset concrete surface A0.

[0063] For example, the actual height h1 of the 1# measuring instrument 32 is compared with the preset height H1 of the 1# measuring instrument 32, and the surface leveling value D=h1-H1. If the comparison result is a positive number, it means that the concrete surface directly below the 1# measuring instrument 32 is too low and needs to be filled with concrete; if the comparison result is a negative number, it means that the concrete surface directly below the 1# measuring instrument 32 is too high and needs to be reduced.

[0064] In the actual construction process, it is difficult to control all actual height distances to be equal to the corresponding preset height distances. In order to reduce the construction difficulty and improve the construction efficiency without affecting the normal drainage, if the absolute value of the calculated surface leveling value D is less than or equal to 2mm, the concrete surface is deemed to meet the standards.

[0065] The method of this embodiment is applicable to both straight segment tracks and curved segment tracks.

[0066] Combination Figures 9 to 11 In another embodiment, the slope measuring device is placed on the straight track, and the plate 31 is adjusted to a horizontal state according to the above method, and the center of the plate 31 is adjusted to align with the center of the curved track. Measuring and calculating the slope of the concrete surface includes:

[0067] The measuring instrument 32 includes a center measuring instrument and twelve side measuring instruments. The center measuring instrument is arranged on the center line of the plate 31, and the twelve side measuring instruments are arranged on both sides of the center measuring instrument. In this embodiment, the center measuring instrument is defined as 1#, and the six side measuring instruments on the right side of the center measuring instrument are defined as 2#, 3#, 4#, 5#, 6# and 7# in sequence, and the six side measuring instruments on the left side of the center measuring instrument are defined as 8#, 9#, 10#, 11#, 12# and 13# in sequence. There is a preset margin between the side measuring instruments and the center measuring instrument. For example, the preset margin between the 5# side measuring instrument and the 1# center measuring instrument is margin L5, and the preset margin between the 12# side measuring instrument and the 1# center measuring instrument is margin L 12 .

[0068] According to the slope design requirements, pre-calculate the preset center height distance H1 from the 1# center measuring instrument to the center surface of the concrete.

[0069] The 1# center measuring instrument is controlled to measure the actual center height h1 of the concrete center surface directly below it and feed it back to the control system.

[0070] The actual center height h1 is compared with the preset center height H1, and the concrete center surface is trimmed according to the comparison result so that the trimmed actual center height h1 is equal to the preset center height H1.

[0071] Control each side measuring instrument to measure the actual height distance from itself to the corresponding concrete surface and feed it back to the control system, that is, measure h2, h3, ... h respectively 12 、h 13 .

[0072] The surface leveling value D of the preset concrete surface lower than the concrete center surface is calculated according to the first preset formula, and the surface leveling value D is the difference between the actual concrete surface and the preset concrete surface in the vertical direction. In the straight track, the concrete surfaces corresponding to all side measuring instruments are lower than the concrete center surface.

[0073] The worker trims the concrete surface a0 according to the obtained surface leveling value D, so that the trimmed concrete surface basically coincides with the preset concrete surface A0. Fig.14 Draw an auxiliary line B0 in the middle, which is a horizontal line passing through the concrete surface just below the 1# center measuring instrument.

[0074] The first preset formula is: D = h x -(H1+L x *i%), where D is the surface leveling value D, h x is the actual height distance from the side measuring instrument to the corresponding concrete surface, H1 is the preset center height distance, L xis the preset margin distance between the side measuring gauge and the center measuring gauge, and i% is the preset slope of the concrete surface.

[0075] For example, taking the preset slope of the concrete surface as 1%, calculate the surface leveling value D = h5-(H1+L5*1%) of the concrete surface directly below the 5# side measuring instrument. If the calculation result is a positive number, it means that the concrete surface directly below the 5# measuring instrument is too low and needs to be filled with concrete; if the calculation result is a negative number, it means that the concrete surface directly below the 5# measuring instrument is too high and needs to be reduced.

[0076] In the actual construction process, it is difficult to control all actual height distances to be equal to the corresponding preset height distances. In order to reduce the construction difficulty and improve the construction efficiency without affecting the normal drainage, if the absolute value of the calculated surface leveling value D is less than or equal to 2mm, the concrete surface is deemed to meet the standards.

[0077] Combination Figure 12 to Figure 14 In another embodiment, the slope measuring device is placed on the curved track, and the flat plate 31 is adjusted to a horizontal state according to the above method, and the center of the flat plate 31 is adjusted to align with the center of the curved track. Measuring and calculating the slope of the concrete surface includes:

[0078] The measuring instrument 32 includes a center measuring instrument and twelve side measuring instruments. The center measuring instrument is arranged on the center line of the plate 31, and the twelve side measuring instruments are arranged on both sides of the center measuring instrument. In this embodiment, the center measuring instrument is defined as 1#, and the six side measuring instruments on the right side of the center measuring instrument are defined as 2#, 3#, 4#, 5#, 6# and 7# in sequence, and the six side measuring instruments on the left side of the center measuring instrument are defined as 8#, 9#, 10#, 11#, 12# and 13# in sequence. There is a preset margin between the side measuring instruments and the center measuring instrument. For example, the preset margin between the 5# side measuring instrument and the 1# center measuring instrument is margin L5, and the preset margin between the 12# side measuring instrument and the 1# center measuring instrument is margin L 12 .

[0079] According to the slope design requirements, pre-calculate the preset center height distance H1 from the 1# center measuring instrument to the center surface of the concrete.

[0080] The 1# center measuring instrument is controlled to measure the actual center height h1 of the concrete center surface directly below it and feed it back to the control system.

[0081] The actual center height h1 is compared with the preset center height H1, and the concrete center surface is trimmed according to the comparison result so that the trimmed actual center height h1 is equal to the preset center height H1.

[0082] Control each side measuring instrument to measure the actual height distance from itself to the corresponding concrete surface and feed it back to the control system, that is, measure h2, h3, ... h respectively 12 、h 13 .

[0083] The surface leveling value D of the preset concrete surface higher than the concrete center surface is calculated according to the second preset formula, and the surface leveling value D is the difference between the actual concrete surface and the preset concrete surface in the vertical direction. In the curved track, the concrete surfaces corresponding to the 2#, 3#, 4#, 5#, 6# and 7# side measuring instruments located near the outer side of the track by the center measuring instrument are all higher than the concrete center surface.

[0084] The worker trims the concrete surface a0 according to the obtained surface leveling value D, so that the trimmed concrete surface basically coincides with the preset concrete surface A0. Fig.14 Draw an auxiliary line B0 in the middle, which is a horizontal line passing through the concrete surface just below the 1# center measuring instrument.

[0085] The second preset formula is: D = h x -(H1-L x *i%), where D is the surface leveling value, h x is the actual height distance from the side measuring instrument to the corresponding concrete surface, H1 is the preset center height distance, L x is the preset margin distance between the side measuring gauge and the center measuring gauge, and i% is the preset slope of the concrete surface.

[0086] For example, taking the preset slope of the concrete surface as 1%, calculate the surface leveling value D = h5-(H1-L5*1%) of the concrete surface directly below the 5# side measuring instrument. If the calculation result is a positive number, it means that the concrete surface directly below the 5# measuring instrument is too low and needs to be filled with concrete; if the calculation result is a negative number, it means that the concrete surface directly below the 5# measuring instrument is too high and needs to be reduced.

[0087] In the actual construction process, it is difficult to control all actual height distances to be equal to the corresponding preset height distances. In order to reduce the construction difficulty and improve the construction efficiency without affecting the normal drainage, if the absolute value of the calculated surface leveling value D is less than or equal to 2mm, the concrete surface is deemed to meet the standards.

[0088] In the curved track, the concrete surfaces corresponding to the 8#, 9#, 10#, 11#, 12# and 13# side measuring instruments located on the inner side of the track near the center measuring instrument are lower than the center surface of the concrete. Therefore, the concrete surfaces corresponding to the 8#, 9#, 10#, 11#, 12# and 13# side measuring instruments should be calculated using the first preset formula of the previous embodiment, which will not be repeated here.

[0089] In summary, it can be seen that the present invention, by setting a trolley assembly, is conducive to driving the entire slope measuring device to move along the extension direction of the ballastless track, so as to measure the concrete slope of the track plate surface of the entire ballastless track, which is conducive to guiding workers to perform slope construction operations during the concrete construction process, and can detect and accept whether the construction surface meets the design requirements after the construction is completed; by setting the frame to be adjustable in a vertical direction of its walking direction, the center of the frame is adjusted to align with the center of the ballastless track before measurement, which is conducive to ensuring the accuracy of the measurement data, especially the accuracy of the measurement data of the straight section ballastless track; by setting a leveling assembly, it is conducive to adjusting the horizontality of the plate to make it in a horizontal state, which is conducive to ensuring the readiness of the measurement data, especially the accuracy of the measurement data of the curved section ballastless track; the slope measuring device of the present invention can realize the functions of real-time walking, real-time measurement, and real-time feedback during the concrete pouring process, which is convenient for guiding workers to control the slope control of the concrete surface of the track plate. The slope measuring device of the present invention has the advantages of simple operation, high use efficiency, extremely significant on-site implementation effect, high degree of standardized construction, and no safety hazards to later operations.

[0090] Finally, it should be emphasized that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A slope measuring device for the surface construction of a ballastless track slab, characterized in that: include: A trolley assembly, wherein the trolley assembly can travel along a ballastless track, the trolley assembly comprises a frame, at least two spring running wheel assemblies and at least two adjustable running wheel assemblies, wherein two spring running wheel assemblies are arranged on a first side of the frame, and two adjustable running wheel assemblies are arranged on a second side of the frame, and the center of the frame is adjustable in a direction perpendicular to the running direction thereof; A measuring assembly, the measuring assembly comprising a flat plate and a plurality of measuring instruments, the flat plate being horizontally arranged on the frame, the plurality of measuring instruments being arranged on the flat plate in a longitudinal and transverse arrangement, the measuring instruments being staggered with the frame in a vertical direction, and the measuring instruments emitting detection light downward; A plurality of leveling components, wherein the leveling components are connected between the flat plate and the frame, and the plurality of leveling components are arranged on both sides of the flat plate, and the leveling components can adjust the horizontality of the flat plate; The spring walking wheel assembly comprises a first base, a sliding rod, an elastic member, a first walking wheel, a first connecting rod and two first mounting plates, the first walking wheel is rotatably connected between the two first mounting plates through the first connecting rod, the rotation direction of the first walking wheel is tangent to the walking direction of the trolley assembly, the first base is movably connected to the two first mounting plates respectively through the sliding rod, the elastic member elastically abuts between the first mounting plate and the first base, the sliding rod is arranged parallel to the first connecting rod, and the first base can move relative to the first walking wheel in the axial direction of the sliding rod; The pitch-adjustable walking wheel assembly comprises a second base, a pitch-adjusting screw, a second walking wheel, a second connecting rod and two second mounting plates, the second walking wheel is rotatably connected between the two second mounting plates through the second connecting rod, the rotation direction of the second walking wheel is tangent to the walking direction of the trolley assembly, the second base is threadedly connected to the two second mounting plates through the pitch-adjusting screw, the pitch-adjusting screw is arranged in parallel with the second connecting rod, and the pitch-adjusting screw can drive the second base to move relative to the second walking wheel; The measuring assembly further comprises a level, which is arranged on the flat plate and is staggered with the measuring instrument.

2. The slope measuring device according to claim 1, characterized in that: The number of the level gauges is set to four, and the four level gauges are respectively arranged on the corners of the flat plate, and the level gauges are electronic level gauges.

3. The slope measuring device according to claim 1, characterized in that: The leveling assembly includes a movable support plate, a leveling screw, a leveling nut and a nut fixing cover. The upper portion of the leveling screw is hinged to the movable support plate, the nut fixing cover is fixedly connected to the frame, the lower portion of the leveling screw passes through the nut fixing cover and is threadedly connected to the frame, the leveling nut is threadedly connected to the middle portion of the leveling screw, the leveling nut is rotatably connected to the nut fixing cover, and the leveling nut can drive the leveling screw to move along its own axial direction relative to the frame.

4. The slope measuring device according to claim 3, characterized in that: The leveling nut is provided with a connecting end and a rotating operating end along its own axial direction, a receiving groove is provided in the nut fixing cover, the connecting end is arranged in the receiving groove and can rotate in the receiving groove, and the rotating operating end is arranged outside the receiving groove.

5. The slope measuring device according to any one of claims 1 to 4, characterized in that: The frame comprises two support bottom beams, at least two support longitudinal beams, at least four support vertical supports, at least two support cross beams, at least two transverse inner support beams and a plurality of push rods; The two support bottom beams are respectively arranged on both sides of the frame, and the support bottom beams extend along the walking direction; The four bracket vertical supports are respectively arranged on the ends of the bracket bottom beam, and the bracket vertical supports extend in the vertical direction; The support longitudinal beam is extended along the walking direction and connected between the two support vertical supports, and the support longitudinal beam is arranged above the support bottom beam; The support cross beam is connected between two of the support longitudinal beams; The transverse inner support beam is connected between the two support bottom beams; A plurality of push rods are arranged on two outer sides of the frame, and one end of the push rod protrudes out of the side wall of the flat plate on a horizontal projection plane.

6. The slope measuring device according to any one of claims 1 to 4, characterized in that: The frame is provided with a control system, a display screen and a power supply device. The control system is respectively connected with the measuring instrument and the display screen in data connection, and the power supply device is respectively connected with the control system, the display screen and the measuring instrument in electrical connection.

Images