Synchronous jacking auxiliary device for roadbed slab replacement

Abstract

The utility model discloses a synchronous jacking auxiliary device for replacing a roadbed slab, which relates to the technical field of ballastless track roadbed slab maintenance and comprises a steel rail, the steel rail is mounted on a sleeper through a lock catch, the sleeper is mounted on the roadbed slab, supporting components are arranged on two sides of the roadbed slab, and each supporting component comprises a hydraulic telescopic rod. Cushion blocks are detachably mounted at the output ends of the hydraulic telescopic rods, and adjusting assemblies used for adjusting the height of the cushion blocks in the vertical direction are arranged on the supporting assemblies on the two sides of the roadbed slab correspondingly. A lifting assembly is arranged above the roadbed slab, and a clamping assembly is arranged between the lifting assembly and the steel rail. Through cooperation of the hydraulic telescopic rod, the cushion block and the lifting assembly, before the elastic cushion layer is replaced, preliminary jacking operation can be effectively carried out on the roadbed slab, the adhesion state between the roadbed slab and the base plate is broken, and therefore the pulling force on the steel rope when the portal crane is directly used for separation is reduced, the risk of steel rope breakage is avoided, and the safety of the roadbed slab is improved. And meanwhile, the construction safety and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of maintenance technology of ballastless track bed plate, and specifically belongs to a synchronous jacking auxiliary device for track bed plate replacement. BACKGROUND

[0002] Ballastless track has the advantages of high stability, high smoothness and low maintenance cost, and is widely used in high-speed railways and urban rail transit. However, in the long-term use process, due to the porous characteristics of the concrete material and the construction quality and other factors, air can gradually be discharged through the micropores of the concrete, which can cause a certain adhesion phenomenon between the track bed plate and the base plate after a long time of use.

[0003] This brings great difficulty to subsequent maintenance work, especially the replacement of the elastic pad layer of the track bed plate. The traditional replacement method directly uses a portal crane for separation operation, but due to the existence of adhesion, the steel rope is easy to break, which not only increases the construction risk, but also can cause equipment damage and the rise of maintenance cost. UTILITY MODEL CONTENTS

[0004] To solve the problems existing in the prior art, the utility model provides a synchronous jacking auxiliary device for track bed plate replacement, which can preliminarily jacking the track bed plate before replacing the elastic pad layer to break the vacuum adhesion state between the track bed plate and the base plate.

[0005] The technical scheme adopted by the utility model is as follows: a synchronous jacking auxiliary device for track bed plate replacement, comprising a steel rail, the steel rail is installed on a sleeper through a lock buckle, the sleeper is installed on a track bed plate, a base plate is installed at the bottom of the track bed plate, support assemblies are arranged on both sides of the track bed plate, the support assembly comprises a hydraulic telescopic rod, a pad is detachably installed at the output end of the hydraulic telescopic rod, the support assembly on both sides of the track bed plate is provided with an adjusting assembly for adjusting the vertical height of the pad; a lifting assembly is arranged above the track bed plate, and a clamping assembly is arranged between the lifting assembly and the steel rail.

[0006] Further, a plurality of groups of lifting assemblies are arranged along the length direction of the steel rail, and a support assembly with an adjusting assembly is arranged between the adjacent two lifting assemblies.

[0007] Further, the adjusting assembly comprises a vertical plate, a motor is installed on the vertical plate, the output end of the motor is fixedly connected with a ball screw, a horizontal plate is installed at the bottom of the vertical plate, the ball screw is rotatably connected with the horizontal plate through a bearing, a sleeve is connected with the ball screw in a matched mode, one side of the sleeve is slidably connected with the vertical plate, and the other side is fixedly connected with the hydraulic telescopic rod.

[0008] Further, the lifting assembly comprises a lifting plate arranged above the track bed plate, and hydraulic jacks are arranged at the bottom of the lifting plate.

[0009] Further, the lifting assembly comprises a lifting plate arranged above the track bed plate, and hydraulic jacks are arranged at the bottom of the lifting plate.

[0010] Further, the top of the lifting plate is provided with lifting lugs.

[0011] Further, the hydraulic telescopic rod and the cushion block are fixedly connected through the second bolt.

[0012] In summary, due to the adoption of the above technical scheme, the beneficial effects of the present application are as follows:

[0013] The track bed plate replacement synchronous lifting auxiliary device can effectively perform preliminary lifting operation on the track bed plate before replacing the elastic cushion layer, break the adhesion between the track bed plate and the base plate, thereby significantly reducing the tension of the steel rope when directly separating by the gantry crane, avoiding the risk of steel rope breakage, and improving the safety and efficiency of construction.

[0014] In addition, the present application has reasonable structure design, convenient operation, can effectively assist the replacement of the track bed plate, and has high practical value. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and should not be regarded as limiting the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0016] Figure 1 The structural schematic diagram provided by the embodiments of the present application is shown in the figure.

[0017] Figure 2 The structural schematic diagram provided by the embodiments of the present application is shown in the figure. Figure 1 The schematic diagram of the lifting assembly along the length direction of the steel rail is shown in the figure.

[0018] Figure 3 The structural schematic diagram provided by the embodiments of the present application is shown in the figure. Figure 1 The enlarged structural schematic diagram of A is shown in the figure.

[0019] Figure 4 The structural schematic diagram provided by the embodiments of the present application is shown in the figure.Figure 1 Enlarged structural schematic view at B.

[0020] BRIEF DESCRIPTION OF DRAWINGS: 1, base plate; 2, track bed plate; 3, cross plate; 4, vertical plate; 5, motor; 6, ball screw; 7, sleeve; 8, hydraulic telescopic rod; 9, cushion block; 10, hydraulic jack; 11, lifting plate; 12, sleeper; 13, lock catch; 14, steel rail; 15, clamp body; 16, first bolt; 17, threaded rod; 18, lifting lug; 19, second bolt. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application.

[0023] In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product in use, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0024] The following will be described in conjunction with Figures 1-4 The present application will be described in detail.

[0025] EMBODIMENT

[0026] As Figure 1As shown in the drawings, a kind of synchronous lifting auxiliary device for replacing track bed plate, including rail 14, rail 14 is installed on sleeper 12 by locking buckle 13, sleeper 12 is installed on track bed plate 2, base plate 1 is installed at the bottom of track bed plate 2, support assembly is set to the two sides of track bed plate 2, support assembly includes hydraulic telescopic rod 8, the output end of hydraulic telescopic rod 8 is detachably installed with pad 9.Pad 9 plays the role of effectively supporting track bed plate 2, it is convenient for subsequent lifting track bed plate 2 using portal crane.

[0027] Hydraulic telescopic rod 8 is hydraulic jack, hydraulic jack has self-locking function, can guarantee the safety in hoisting process.Its model is not described in detail here, can meet actual use demand.

[0028] The material of pad 9 is copper alloy or steel material after surface treatment, and it performs well in strength, wear resistance and corrosion resistance, which can meet the pressure requirement of pad 9 bearing track bed plate 2.

[0029] The support assembly of the two sides of track bed plate 2 is provided with adjusting assembly for adjusting the vertical height of pad 9, and the adjusting assembly comprises a vertical plate 4, a motor 5 is installed on the vertical plate 4, a ball screw 6 is fixedly connected to the output end of the motor 5, a horizontal plate 3 is installed at the bottom of the vertical plate 4, the ball screw 6 is rotatably connected to the horizontal plate 3 through a bearing, a sleeve 7 is connected to the ball screw 6 in a matching manner, one side of the sleeve 7 is slidably connected to the vertical plate 4, and the other side of the sleeve 7 is fixedly connected to the hydraulic telescopic rod 8.The motor 5 drives the ball screw 6 to rotate, thereby driving the sleeve 7 to slide along the vertical direction of the vertical plate 4, and the height of the hydraulic telescopic rod 8 is adjusted, so that the pad 9 can accurately align the gap between the track bed plate 2 and the base plate 1.

[0030] The model of the motor 5 and the ball screw 6 is not specifically limited here, and can meet the actual use demand.

[0031] As shown in the drawings, Figure 1 And Figure 2 As shown in the drawings, a lifting assembly is arranged above the track bed plate 2, and the lifting assembly comprises a lifting plate 11 arranged above the track bed plate 2, and a hydraulic jack 10 is arranged at the bottom of the lifting plate 11 on both sides, and the two hydraulic jacks 10 are arranged on the horizontal plates 3 on both sides of the track bed plate 2.

[0032] Through the lifting action of the hydraulic jack 10, the lifting plate 11 can uniformly lift the track bed plate 2, so as to avoid damage caused by uneven local stress.The hydraulic jack 10 is a hydraulic jack, which has a self-locking function, so as to guarantee the safety in hoisting process.Its model is not described in detail here, and can meet the actual use demand.

[0033] A plurality of lifting assemblies are arranged along the length direction of the steel rail 14, and a support assembly with an adjusting assembly is arranged between two adjacent lifting assemblies.

[0034] As shown in Figure 1 and Figure 3 , a clamping assembly is arranged between the lifting assembly and the steel rail 14, the clamping assembly comprises a clamp body 15 sleeved on the steel rail 14, the clamp body 15 is fixedly connected with the steel rail 14 through a first bolt 16, and the top of the clamp body 15 is fixedly connected with the lifting plate 11 through the cooperation of a threaded rod 17 and a nut. This design makes the connection between the lifting assembly and the steel rail 14 more stable, ensuring the stability of the entire device during the lifting process.

[0035] The top of the lifting plate 11 is provided with a lifting lug 18, which facilitates subsequent separation operation using a gantry crane.

[0036] As shown in Figure 4 , the hydraulic telescopic rod 8 and the pad 9 are fixedly connected through a second bolt 19, which facilitates subsequent installation and replacement of the pad 9 by the workers.

[0037] Specifically, when the synchronous lifting auxiliary device for track bed plate replacement is used, first, the motor 5 is started to drive the ball screw 6 to rotate, thereby driving the sleeve 7 to slide along the vertical direction of the vertical plate 4, and then the height adjustment of the hydraulic telescopic rod 8 is realized, so that the pad 9 can accurately align the gap between the track bed plate 2 and the base plate 1.

[0038] Subsequently, the hydraulic jack 10 is started, and under the action of the clamping assembly, the track bed plate 2 is lifted upward together with the lifting plate 11. At this time, the hydraulic telescopic rod 8 is started, and the pad 9 at the output end of the hydraulic telescopic rod 8 can effectively support the track bed plate 2, thereby facilitating the subsequent lifting of the track bed plate 2 by the gantry crane.

[0039] In this way, the preliminary lifting operation of the track bed plate is realized to break the adhesion state between the track bed plate and the base plate. In this way, the tension of the steel rope when directly separated by the gantry crane can be significantly reduced, the risk of steel rope rupture can be avoided, and the safety and efficiency of the construction can be improved.

[0040] The above is only a preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A synchronous jacking auxiliary device for changing track slabs, comprising a rail (14), the rail (14) being mounted on a sleeper (12) via a locking buckle (13), the sleeper (12) being mounted on a track slab (2), and a base plate (1) being mounted on the bottom of the track slab (2), characterized in that: Support components are provided on both sides of the track bed slab (2). The support components include hydraulic telescopic rods (8). A pad (9) is detachably installed at the output end of the hydraulic telescopic rods (8). The support components on both sides of the track bed slab (2) are provided with adjustment components for adjusting the vertical height of the pad (9). A lifting component is provided above the track bed slab (2). A clamping component is provided between the lifting component and the rail (14).

2. The synchronous lifting auxiliary device for replacing track slabs according to claim 1, characterized in that: Multiple sets of lifting components are arranged along the length of the rail (14), and a support component with an adjustment component is provided between two adjacent lifting components.

3. The synchronous lifting auxiliary device for replacing track slabs according to claim 1, characterized in that: The adjustment assembly includes a vertical plate (4), a motor (5) is mounted on the vertical plate (4), a ball screw (6) is fixedly connected to the output end of the motor (5), a horizontal plate (3) is mounted at the bottom of the vertical plate (4), the ball screw (6) is rotatably connected to the horizontal plate (3) through a bearing, and a sleeve (7) is fitted on the ball screw (6). One side of the sleeve (7) is slidably connected to the vertical plate (4), and the other side is fixedly connected to the hydraulic telescopic rod (8).

4. The synchronous lifting auxiliary device for replacing track slabs according to claim 3, characterized in that: The lifting assembly includes a lifting plate (11) set above the track bed slab (2), and hydraulic jacks (10) are provided on both sides of the bottom of the lifting plate (11). The two hydraulic jacks (10) are respectively installed on the horizontal plates (3) on both sides of the track bed slab (2).

5. The synchronous lifting auxiliary device for replacing track slabs according to claim 1, characterized in that: The clamping assembly includes a clamp body (15) sleeved on the rail (14), the clamp body (15) and the rail (14) are fixedly connected by a first bolt (16), and the top of the clamp body (15) is fixedly connected to the lifting plate (11) by the cooperation of a threaded rod (17) and a nut.

6. The synchronous lifting auxiliary device for replacing track slabs according to claim 5, characterized in that: The top of the lifting plate (11) is equipped with a lifting lug (18).

7. The synchronous lifting auxiliary device for replacing track slabs according to claim 1, characterized in that: The hydraulic telescopic rod (8) and the pad (9) are fixedly connected by a second bolt (19).

Images