CN216739062U

CN216739062U - Injection moulding's rail is high backing plate down

Info

Publication number: CN216739062U
Application number: CN202122766734.9U
Authority: CN
Inventors: 许孔斌; 郑剑锋
Original assignee: Henan Tiantie Environmental Protection Technology Co ltd
Current assignee: Henan Tiantie Environmental Protection Technology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-06-14
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses an injection moulding's high backing plate under rail, including rail bottom suspension board and gauge adjustment subassembly, two sets of fixture blocks of the equal fixedly connected with in rail bottom suspension board both sides, set up two sets of draw-in grooves in the gauge adjustment subassembly side, rail bottom suspension board and fixture block structure as an organic whole, set up the inside groove in rail bottom suspension board and the fixture block, the inside groove is equipped with two sets ofly altogether, has seted up the constant head tank in the fixture block side, and has seted up two sets of activity grooves in the rail bottom suspension board. This injection moulding's increase backing plate under rail is used for being connected between backing plate under the rail and the gauge adjustment subassembly through setting up fixture block and draw-in groove, can drive first sleeve and the telescopic relative motion of second through rotating the movable rod, thereby make two sets of locating piece connection on two sets of stoppers, and then realize the spacing connection between backing plate under the rail and the gauge adjustment subassembly, this injection moulding's increase backing plate under rail easy operation, effectively avoid the problem that the backing plate breaks away from under the rail, satisfy the needs that the rail set up fast and maintain on the ballastless track.

Description

Injection moulding's rail is high backing plate down

Technical Field

The utility model relates to a track fastener technical field specifically is an injection moulding's height-adjusting backing plate under rail.

Background

In the ballastless track, the application of fastener system is very extensive, and it plays the effect of fixing the rail to the sleeper as the intermediate junction part of rail and sleeper, prevents rail for the vertical and horizontal removal of sleeper when keeping the gauge, realizes that the rail sets up on the sleeper steadily.

Because there may be certain difference in the setting of ballastless track on the whole line, difference in the height for example, rail on the ballastless track is when passing through train reciprocal many times, the change of gauge or the change of height can appear, need regularly carry out the detection of track parameter, in case find the gauge of rail or the height of rail change, just must adjust the horizontal gauge of rail and the vertical height of rail, and above-mentioned adjustment also needs to be realized through the fastener system usually. However, the two sides of the existing rail lower backing plate are mostly connected in the groove body of the gauge adjusting assembly through simple clamping block structures and do not have limiting effect, so that the existing fastener system has certain application limitation and cannot fully meet the requirements of rapid setting and rapid maintenance of a steel rail on a ballastless track.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an increase backing plate under injection moulding's rail to the current rail backing plate that proposes in solving above-mentioned background art does not possess limit structure, has the problem of limitation.

In order to achieve the above objects, the present invention provides an injection molding rail lower heightening pad plate, which comprises a rail lower pad plate and a gauge adjusting assembly, wherein two sets of clamping blocks are fixedly connected to both sides of the rail lower pad plate, two sets of clamping grooves are arranged in the side surface of the gauge adjusting assembly, the rail lower pad plate and the clamping blocks are integrated into a whole, inner grooves are arranged in the rail lower pad plate and the clamping blocks, two sets of inner grooves are arranged in the inner grooves, positioning grooves are arranged in the side surface of the clamping blocks, two sets of movable grooves are arranged in the rail lower pad plate, bearings are fixedly connected to the inner wall surfaces of both sides of the inner grooves, movable rods are movably connected in the movable grooves, one ends of the movable rods are fixedly connected with handles outside the rail lower pad plate, first threads and second threads are arranged on the surfaces of the movable rods, first sleeves and second sleeves are sleeved on the movable rods, connecting pieces are fixedly connected to the first sleeves and the second sleeves, and positioning blocks are fixedly connected to the connecting pieces, a limiting groove is formed in the side face of the positioning block, and a limiting block is fixedly connected to the inner wall face of the clamping groove.

Preferably, the inner groove is communicated with the outer side of the rail lower backing plate through a movable groove, and the movable rod is movable in the two groups of bearing inner rings.

Preferably, the first sleeve and the second sleeve are respectively connected with the first thread and the second thread through thread structures, and the thread directions of the first thread and the second thread are opposite.

Preferably, the positioning block is movably arranged in the positioning groove, the positioning block and the side surface of the positioning groove are in matched geometric shapes, and the inner groove is communicated with the outside of the clamping block through the positioning groove.

Preferably, the limiting blocks and the limiting grooves are of cuboid structures, and the width of each limiting block is matched with that of each limiting groove.

Compared with the prior art, the beneficial effects of the utility model are that: this injection moulding's increase backing plate under rail is used for being connected between backing plate under the rail and the gauge adjustment subassembly through setting up fixture block and draw-in groove, can drive first sleeve and the telescopic relative motion of second through rotating the movable rod, thereby make two sets of locating piece connection on two sets of stoppers, and then realize the spacing connection between backing plate under the rail and the gauge adjustment subassembly, this injection moulding's increase backing plate under rail easy operation, effectively avoid the problem that the backing plate breaks away from under the rail, satisfy the needs that the rail set up fast and maintain on the ballastless track.

Drawings

Fig. 1 is a top exploded sectional view of an injection molded rail down-height adjusting base plate of the present invention;

fig. 2 is a schematic top view of the injection-molded rail-down height-adjusting base plate of the present invention;

fig. 3 is a cross-sectional view of a down-rail height-adjusting tie plate of the present invention;

fig. 4 is a schematic view of a local side structure of the injection-molded rail height-adjusting base plate of the present invention.

In the figure: 1. the track comprises a track lower base plate, 2, a track gauge adjusting component, 3, a clamping block, 4, a clamping groove, 5, an inner groove, 6, a positioning groove, 7, a movable groove, 8, a bearing, 9, a movable rod, 10, a handle, 11, a first thread, 12, a second thread, 13, a first sleeve, 14, a second sleeve, 15, a connecting piece, 16, a positioning block, 17, a limiting groove, 18 and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an injection molding height-adjusting backing plate under a rail comprises a backing plate under a rail 1 and a gauge adjusting component 2, wherein two sets of clamping blocks 3 are fixedly connected to two sides of the backing plate under a rail 1, two sets of clamping grooves 4 are formed in the side surface of the gauge adjusting component 2, the backing plate under a rail 1 and the clamping blocks 3 are of an integral structure, inner grooves 5 are formed in the backing plate under a rail 1 and the clamping blocks 3, two sets of the inner grooves 5 are formed in the side surfaces of the clamping blocks 3, positioning grooves 6 are formed in the side surfaces of the clamping blocks 3, two sets of movable grooves 7 are formed in the backing plate under a rail 1, bearings 8 are fixedly connected to the inner wall surfaces of two sides of each inner groove 5, movable rods 9 are movably connected in the movable grooves 7, the inner grooves 5 are communicated with the outer side of the backing plate under a rail 1 through the movable grooves 7, the movable rods 9 move in the inner rings of the two sets of the bearings 8, the bearings 8 have a supporting effect on the movable rods 9, one ends of the movable rods 9 are fixedly connected with a handle 10 outside the backing plate under a rail 1, the movable rods 9 are convenient to control the movable rods 9 through the handle 10, the surface of the movable rod 9 is provided with a first thread 11 and a second thread 12, the movable rod 9 is sleeved with a first sleeve 13 and a second sleeve 14, the first sleeve 13 and the second sleeve 14 are respectively connected with the first thread 11 and the second thread 12 through thread structures, and the thread directions of the first thread 11 and the second thread 12 are opposite, so that when the movable rod 9 is rotated, the first sleeve 13 and the second sleeve 14 can be driven to move relatively, the first sleeve 13 and the second sleeve 14 are both fixedly connected with a connecting piece 15, the connecting piece 15 is fixedly connected with a positioning block 16, the positioning block 16 moves in the positioning groove 6, the positioning block 16 and the side surface of the positioning groove 6 are in matched geometric shapes, the inner groove 5 is communicated with the outside of the clamping block 3 through the positioning groove 6, the positioning groove 6 has a positioning function on the positioning block 16, namely, the movement of the first sleeve 13 and the second sleeve 14 is also provided with a positioning function, the side surface of the positioning block 16 is internally provided with a limiting groove 17, 4 internal face fixedly connected with stoppers of draw-in groove 18, stopper 18 and spacing groove 17 are the cuboid structure, stopper 18 width and spacing groove 17 width phase-match, and spacing groove 17 highly is greater than stopper 18 height, and when the locating piece 16 passes through spacing groove 17 to be connected on stopper 18, the horizontal direction removal of backing plate 1 has limiting displacement under the rail to can be to the height control of backing plate 1 under the rail, the suitability is high.

The working principle is as follows: when using this injection moulding's high backing plate under rail, connect fixture block 3 in draw-in groove 4 earlier, through the iron tie plate, the height of the adjustable rail backing plate 1 of elastic backing plate, rotate movable rod 9 through handle 10 after that, thereby drive the relative motion of first sleeve 13 and second sleeve 14, and then realize the relative motion of two sets of locating pieces 16, make locating piece 16 connect on stopper 18 through spacing groove 17, and then realize the spacing connection between rail backing plate 1 and gauge adjustment subassembly 2 under the rail, the high backing plate course under the rail that goes up for this injection moulding.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an injection moulding's high backing plate under rail, includes rail backing plate (1) and gauge adjustment subassembly (2), two sets of fixture blocks (3) of the equal fixedly connected with in rail backing plate (1) both sides, its characterized in that: two groups of clamping grooves (4) are formed in the side surface of the gauge adjusting assembly (2), the rail lower backing plate (1) and the clamping block (3) are of an integral structure, inner grooves (5) are formed in the rail lower backing plate (1) and the clamping block (3), the inner grooves (5) are arranged in two groups, positioning grooves (6) are formed in the side surface of the clamping block (3), two groups of movable grooves (7) are formed in the rail lower backing plate (1), bearings (8) are fixedly connected to the inner wall surfaces of the two sides of the inner grooves (5), movable rods (9) are movably connected in the movable grooves (7), one ends of the movable rods (9) are fixedly connected with handles (10) outside the rail lower backing plate (1), first threads (11) and second threads (12) are formed in the surfaces of the movable rods (9), first sleeves (13) and second sleeves (14) are sleeved on the movable rods (9), connecting pieces (15) are fixedly connected to the first sleeves (13) and the second sleeves (14), the connecting piece (15) is fixedly connected with a positioning block (16), a limiting groove (17) is formed in the side face of the positioning block (16), and a limiting block (18) is fixedly connected to the inner wall face of the clamping groove (4).

2. An injection molded rail down riser as defined in claim 1 wherein: the inner groove (5) is communicated with the outer side of the rail lower backing plate (1) through a movable groove (7), and a movable rod (9) is movable in the inner rings of the two groups of bearings (8).

3. An injection molded rail down riser as defined in claim 1 wherein: the first sleeve (13) and the second sleeve (14) are respectively connected with the first thread (11) and the second thread (12) through thread structures, and the thread directions of the first thread (11) and the second thread (12) are opposite.

4. An injection molded rail down riser as defined in claim 1 wherein: the positioning block (16) is movably arranged in the positioning groove (6), the positioning block (16) and the side surface of the positioning groove (6) are in matched geometric shapes, and the inner groove (5) is communicated with the outside of the clamping block (3) through the positioning groove (6).

5. An injection molded rail down riser as defined in claim 1 wherein: the limiting blocks (18) and the limiting grooves (17) are of cuboid structures, and the width of each limiting block (18) is matched with that of each limiting groove (17).