Double-block type track plate hoisting synchronous control mechanism

Abstract

The utility model belongs to the technical field of track plate hoisting, and discloses a double-block type track plate hoisting synchronous control mechanism which comprises a horizontally-arranged positioning connecting rod, first connecting flanges are arranged at the two ends of the positioning connecting rod, and second connecting flanges are fixed to the faces, close to each other, of two gate type hoisting devices. Each first connecting flange is connected with one second connecting flange through a connecting bolt, a screw rod of each connecting bolt is in threaded connection with a locking nut, and each locking nut is matched with a nut of the corresponding connecting bolt to clamp the corresponding first connecting flange and the corresponding second connecting flange. According to the utility model, the synchronous movement of the two gate-type lifting devices can be ensured, and the distance between the two gate-type lifting devices does not need to be repeatedly adjusted when the gate-type lifting devices are moved again, so that the working intensity is reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to track slab hoisting technical field, concretely relates to a double-block type track slab hoisting synchronous control mechanism. BACKGROUND

[0002] The double-block type ballastless track structure is sequentially provided with a rail, a fastener, a double-block type sleeper, a track slab, an intermediate isolation layer and a base plate from top to bottom, wherein two limiting bosses protruding towards the base plate are arranged at the lower end of each track slab, and two limiting recesses recessed inwardly are arranged at the upper end of the base plate; during installation of the track slab, the limiting bosses at the lower end of the track slab are matched with the limiting recesses of the base plate, so that the track slab is limited by the base plate; meanwhile, an elastic pad layer is arranged at the inner wall of the limiting recess, and the elastic pad layer between the limiting recess and the limiting boss can buffer the pressure of the track slab displacement on the base plate.

[0003] With the operation of the double-block type ballastless track, the buffering effect of the elastic pad layer will become worse and worse, so the elastic pad layer needs to be replaced after a certain period of use; during replacement of the elastic pad layer, the track slab needs to be lifted by a portal crane, and then the track slab is placed aside to replace the elastic pad layer; after replacement, the track slab is reset by the portal crane, as in the prior art disclosed in CN100594273C.

[0004] In practice, the track slab is poured in blocks by using C40 concrete, and the length of each block is generally 4.91-6.8 m; the prior art has poor stability when lifting the track slab by using one portal crane, and if two portal cranes are used to lift the track slab, the two portal cranes need to maintain a fixed distance according to the situation of the track slab; during work, the two portal cranes need to be adjusted in distance each time, which increases the work intensity and affects the work efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a double-block type track slab hoisting synchronous control mechanism to solve the above problems in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A double-block type track slab hoisting synchronous control mechanism, comprising a positioning connecting rod arranged horizontally, first connecting flanges are arranged at both ends of the positioning connecting rod, second connecting flanges are fixed to the sides close to each other of the two portal cranes, each first connecting flange is connected to a second connecting flange by a connecting bolt, a locking nut is threadedly connected to the shank of the connecting bolt, and the locking nut and the nut of the connecting bolt cooperate to clamp the corresponding first connecting flange and second connecting flange.

[0008] As one preferred technical scheme in the utility model, the positioning connecting rod comprises two coaxially arranged connecting rod segments, a limiting rod and a stud bolt are arranged between the two connecting rod segments, one end of the limiting rod is fixedly connected with one connecting rod segment, the other end of the limiting rod is slidably connected with the other connecting rod segment; the two ends of the stud bolt are respectively threadedly connected with the two connecting rod segments, so as to drive the two connecting rod segments to move towards each other or away from each other by controlling the rotation of the stud bolt.

[0009] As one preferred technical scheme in the utility model, the middle part of the stud bolt is coaxially connected with a driven gear, a driving gear meshing with the driven gear is coaxially sleeved on the limiting rod, an adjusting ring is connected to one side of the driving gear, the adjusting ring is sleeved on the limiting rod, and a plurality of plug-in holes for facilitating the plug-in cooperation with the adjusting rod are formed in the adjusting ring.

[0010] As one preferred technical scheme in the utility model, a positioning bolt is threadedly connected to the adjusting ring, the screw rod of the positioning bolt penetrates through the adjusting ring and abuts against the limiting rod.

[0011] As one preferred technical scheme in the utility model, an annular limiting block is protruded on the limiting rod at one side of the driving gear, and the annular limiting block is arranged in a spaced manner with the driving gear, when the driving gear is slid to abut against the annular limiting block, the driving gear is separated from the driven gear.

[0012] As one preferred technical scheme in the utility model, two stud bolts are arranged, the middle part of each of the two stud bolts is coaxially connected with a driven gear, the two driven gears are arranged in a spaced manner, and the driving gear meshes with the two driven gears.

[0013] As one preferred technical scheme in the utility model, the thread directions of the same end of the two stud bolts are the same.

[0014] As one preferred technical scheme in the utility model, the other end of the limiting rod is threadedly connected with an extension rod, the extension rod penetrates through the corresponding connecting rod segment and the second connecting flange, the other end of the limiting rod is provided with a threaded groove, one end of the extension rod is provided with a connecting screw rod, and the connecting screw rod is threadedly connected in the threaded groove.

[0015] Beneficial effects: the utility model discloses the connection of two portal hoisting devices through the connection of first connecting flange and second connecting flange at the both ends of positioning connecting rod, guarantees that two portal hoisting devices can move synchronously, and the interval between two portal hoisting devices is directly controlled through positioning connecting rod, and two portal hoisting devices keep the interval required to hoist track board, and then when starting work, two portal hoisting devices can guarantee synchronous movement, and after moving in place, construction can be carried out directly, and when moving portal hoisting device again, the interval between two portal hoisting devices does not need to be adjusted repeatedly, reduce the working strength, and improve the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is Figure 1 It is the enlarged schematic diagram of A part in the middle;

[0018] Figure 3 It is the sectional view of part structure in the utility model.

[0019] In the drawing: 1-positioning connecting rod;2-first connecting flange;3-portal hoisting device;4-second connecting flange;5-connecting bolt;6-locking nut;7-limiting rod;8-double head stud;9-passive gear;10-driving gear;11-adjusting ring;12-insertion hole;13-positioning bolt. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the utility model will be briefly introduced with the description of embodiment or prior art and accompanying drawings, and obviously, the following description of the structure of accompanying drawings is only some embodiments of the utility model, and for the ordinary skilled person in the art, other accompanying drawings can be obtained without creative labor according to these accompanying drawings.Under this, it is necessary to explain that the explanation of these embodiment modes is used to help understanding the utility model, but does not constitute the limitation of the utility model.

[0021] Embodiment:

[0022] As Figure 1 , Figure 2 and Figure 3The embodiment shown provides a double-block track plate hoisting synchronous control mechanism, which comprises a positioning connecting rod 1 arranged horizontally, the spacing between two portal hoisting devices 3 is controlled through the positioning connecting rod 1, so that the two portal hoisting devices 3 keep the required spacing to hoist the track plate, the two ends of the positioning connecting rod 1 are provided with first connecting flanges 2, one side of the two portal hoisting devices 3 close to each other is fixed with a second connecting flange 4, each first connecting flange 2 is connected with a second connecting flange 4 through a connecting bolt 5, the screw rod of the connecting bolt 5 is threadedly connected with a locking nut 6, the locking nut 6 is clamped with the nut of the connecting bolt 5 to clamp the corresponding first connecting flange 2 and second connecting flange 4, so as to ensure the stable connection of the first connecting flange 2 and the second connecting flange 4, and then the two ends of the positioning connecting rod 1 can stably connect the two portal hoisting devices 3, the suitable positioning connecting rod 1 can be installed in advance according to the hoisted track plate, and then when the work starts, the two portal hoisting devices 3 can ensure synchronous movement, and after moving to the position, the construction can be directly carried out, and when the portal hoisting device 3 is moved again, the spacing between the two portal hoisting devices 3 does not need to be repeatedly adjusted, the working strength is reduced, and the working efficiency is improved.

[0023] The utility model discloses the connection of two portal hoisting devices 3 through the connection of first connecting flange 2 and second connecting flange 4 at the two ends of positioning connecting rod 1, guarantees that two portal hoisting devices 3 can move synchronously, and the spacing between the two portal hoisting devices 3 is directly controlled through positioning connecting rod 1, and the two portal hoisting devices 3 keep the required spacing to hoist the track plate, and then when the work starts, the two portal hoisting devices 3 can ensure synchronous movement, and after moving to the position, the construction can be directly carried out, and when the portal hoisting device 3 is moved again, the spacing between the two portal hoisting devices 3 does not need to be repeatedly adjusted, the working strength is reduced, and the working efficiency is improved.

[0024] As a preferred embodiment in the embodiment, it needs to be further explained that the positioning connecting rod 1 comprises two coaxially arranged connecting rod segments, a limiting rod 7 and a stud bolt 8 are arranged between the two connecting rod segments, one end of the limiting rod 7 is fixedly connected with one connecting rod segment, the other end of the limiting rod 7 is slidably connected with the other connecting rod segment, so that the two connecting rod segments can slide relative to the limiting rod 7 to realize length adjustment of the positioning connecting rod 1; the two ends of the stud bolt 8 are respectively threadedly connected with the two connecting rod segments, so as to drive the two connecting rod segments to move towards each other or away from each other by controlling the rotation of the stud bolt 8, thereby realizing length adjustment of the positioning connecting rod 1, and in practice, the length of the positioning connecting rod 1 can be adjusted first and then installed between the two portal cranes 3, or after the positioning connecting rod 1 is installed between the two portal cranes 3, the length adjustment of the positioning connecting rod 1 can be realized by simultaneously applying force to the two portal cranes 3, which can also save the time of repeatedly adjusting the distance between the two portal cranes 3, so as to adjust the adaptability of the track plate with different lengths in the range of 4.91-6.8m, reduce the working intensity and improve the working efficiency.

[0025] As a preferred embodiment in the embodiment, it needs to be further explained that the middle part of the stud bolt 8 is coaxially connected with a driven gear 9, the limiting rod 7 is coaxially sleeved with a driving gear 10 engaged with the driven gear 9, one side of the driving gear 10 is connected with an adjusting ring 11, the adjusting ring 11 is sleeved outside the limiting rod 7, and a plurality of plug-in holes 12 are formed in the adjusting ring 11 for facilitating plug-in connection with an adjusting rod, in practice, an operator can hold an operating rod, one end of the operating rod is plugged into the plug-in hole 12, and then the adjusting ring 11 is rotated to drive the driving gear 10 to rotate, the driving gear 10 drives the driven gear 9 to rotate, and the driven gear 9 drives the stud bolt 8 to rotate, thereby realizing length adjustment of the positioning connecting rod 1.

[0026] As a preferred embodiment in the embodiment, it needs to be further explained that the adjusting ring 11 is threadedly connected with a positioning bolt 13, the shank of the positioning bolt 13 passes through the adjusting ring 11 and abuts against the limiting rod 7, when adjustment is not needed, the adjusting ring 11 can be locked by tightening the positioning bolt 13 to avoid rotation of the driving gear 10, and the driving gear 10 can also be slid on the limiting rod 7 to make the driving gear 10 disengage from the driven gear 9 before the positioning bolt 13 is tightened, thereby further avoiding the situation that the driving gear 10 accidentally rotates to drive the driven gear 9 to rotate.

[0027] As a preferred embodiment in the embodiment, it needs to be explained further that the limiting rod 7 on one side of the driving gear 10 is provided with an annular limiting block 14, and the annular limiting block 14 is arranged in a spaced manner with the driving gear 10, when the driving gear 10 slides to abut against the annular limiting block 14, the driving gear 10 is separated from the driven gear 9, so that the driven gear 9 is not driven to rotate because of rotating the driving gear 10, and the annular limiting block 14 can make the driving gear 10 slide to the position quickly.

[0028] As a preferred embodiment in the embodiment, it needs to be explained further that the two stud bolts 8 are provided, the middle parts of the two stud bolts 8 are coaxially connected with the driven gears 9, the two driven gears 9 are arranged in a spaced manner, the driving gear 10 is engaged with the two driven gears 9, so that the two connecting rod segments are connected through the two stud bolts 8, the stability is better, and if the length of the positioning connecting rod 1 needs to be adjusted, the length can be adjusted only by rotating the adjusting ring 11.

[0029] As a preferred embodiment in the embodiment, it needs to be explained further that the thread directions of the same ends of the two stud bolts 8 are same, so that the length of the positioning connecting rod 1 can be adjusted stably when the two stud bolts 8 are rotated. It needs to be explained that in practice, the two driven gears 9 can also be engaged with each other, and the driving gear 10 is engaged with one driven gear 9, in this case, the thread directions of the same ends of the two stud bolts 8 are opposite.

[0030] As a preferred embodiment in the embodiment, it needs to be explained further that the other end of the limiting rod 7 is threadedly connected with an extension rod, the extension rod penetrates through the corresponding connecting rod segment and the second connecting flange 4, the other end of the limiting rod 7 is provided with a threaded groove, one end of the extension rod is provided with a connecting screw rod, the connecting screw rod is threadedly connected in the threaded groove, the extension rod is an extension part of the limiting rod 7, so that the length of the limiting rod 7 can be selected according to the actual situation, and the limiting of the limiting rod 7 to the other connecting rod segment is ensured.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A double-block track panel hoisting synchronization control mechanism, characterized by, The utility model provides a positioning connecting rod (1) is arranged horizontally, and both ends of the positioning connecting rod (1) are provided with first connecting flange (2), and the side of two portal jib cranes (3) close to each other is fixed with second connecting flange (4), and every first connecting flange (2) is connected with a second connecting flange (4) through connecting bolt (5), and the screw rod of connecting bolt (5) is threadedly connected with lock nut (6), and lock nut (6) is clamped with the nut of connecting bolt (5) corresponding first connecting flange (2) and second connecting flange (4).

2. The double-block track panel hoisting synchronous control mechanism according to claim 1, characterized in that, The positioning connecting rod (1) includes two coaxially arranged connecting rod segments, a limiting rod (7) and a stud bolt (8) are arranged between the two connecting rod segments, one end of the limiting rod (7) is fixedly connected with one connecting rod segment, the other end of the limiting rod (7) is slidably connected with the other connecting rod segment, and the stud bolt (8) is threadedly connected with the two connecting rod segments at two ends respectively.

3. The double-block track panel hoisting synchronous control mechanism according to claim 2, characterized in that, The middle part of the stud bolt (8) is coaxially connected with a driven gear (9), the limiting rod (7) is coaxially sleeved with a driving gear (10) engaged with the driven gear (9), one side of the driving gear (10) is connected with an adjusting ring (11), the adjusting ring (11) is sleeved on the limiting rod (7), and a plurality of plug-in holes (12) are formed in the adjusting ring (11) for facilitating plug-in connection with the adjusting rod.

4. The double-block track panel hoisting synchronous control mechanism according to claim 3, characterized in that, The adjusting ring (11) is threadedly connected with a positioning bolt (13), and the threaded portion of the positioning bolt (13) penetrates through the adjusting ring (11) and abuts against the limiting rod (7).

5. The double-block track panel hoisting and synchronizing control mechanism according to claim 3 or 4, characterized in that, An annular limiting block (14) is protruded on the limiting rod (7) at one side of the driving gear (10), and the annular limiting block (14) is spaced apart from the driving gear (10), when the driving gear (10) is slid to abut against the annular limiting block (14), the driving gear (10) is separated from the driven gear (9).

6. The double-block track panel hoisting synchronization control mechanism according to any one of claims 2-4, characterized in that, The stud bolt (8) is provided with two, the middle part of the two stud bolts (8) is coaxially connected with a driven gear (9), and the two driven gears (9) are spaced apart, and the driving gear (10) is engaged with the two driven gears (9).

7. The double-block track panel hoisting synchronous control mechanism according to claim 6, characterized in that, The thread directions of the same end of the two stud bolts (8) are the same.

8. The double-block track panel hoisting synchronization control mechanism according to any one of claims 2-4, characterized in that, The other end of the limiting rod (7) is threadedly connected with an extension rod, the extension rod penetrates through the corresponding connecting rod segment and the second connecting flange (4), a threaded groove is formed in the other end of the limiting rod (7), and a connecting screw rod is arranged at one end of the extension rod and is threadedly connected in the threaded groove.

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