阅读说明：本技术 一种梁桥走行部补偿装置 (Compensating device for beam bridge running gear ) 是由 曾鉴 邓茂涛 何磊 于 2020-12-31 设计创作，主要内容包括：本申请提供一种梁桥走行部补偿装置,包括相邻的两侧走行部,其中至少一侧走行部是梁桥走行部的一部分,相邻走行部之间设有预置伸缩部,相邻走行部之间设有覆盖预置伸缩部的补偿部；补偿部的宽度全部或部分覆盖相邻走行部之间的预置伸缩部的宽度；补偿部的长度大于相邻走行部之间的预置伸缩部的伸缩长度；补偿部的两端分别与两侧走行部支撑连接；补偿部的至少一端与一侧走行部相对水平旋转,旋转角度小于90度；两侧走行部和补偿部有位于同平面的走行面。改进后让梁桥的预置伸缩部调节距离较大、温差变化较大的情况下仍然具有平整的行走平面,长期使用后能够保持整体的精度。(The application provides a compensation device for a beam bridge running part, which comprises two adjacent side running parts, wherein at least one side running part is a part of the beam bridge running part, a preset expansion part is arranged between the adjacent running parts, and a compensation part for covering the preset expansion part is arranged between the adjacent running parts; the width of the compensation part completely or partially covers the width of the preset expansion part between the adjacent running parts; the length of the compensation part is greater than the telescopic length of a preset telescopic part between adjacent walking parts; two ends of the compensation part are respectively connected with the walking part supports on two sides; at least one end of the compensation part and the walking part on one side horizontally rotate relatively, and the rotation angle is less than 90 degrees; the walking parts at two sides and the compensation part are provided with walking surfaces which are positioned on the same plane. After improvement, the preset telescopic part of the beam bridge still has a smooth walking plane under the conditions of large adjusting distance and large temperature difference change, and the whole precision can be kept after long-term use.)

1. The utility model provides a girder bridge running gear compensation arrangement which characterized in that: the bridge running mechanism comprises two adjacent side running parts, wherein at least one side running part is a part of a bridge running part, a preset telescopic part is arranged between the adjacent running parts, and a compensation part for covering the preset telescopic part is arranged between the adjacent running parts;

the compensation part completely covers the preset telescopic part between the two running parts in the telescopic direction of the adjacent running parts, and the width of the compensation part completely or partially covers the width of the preset telescopic part between the adjacent running parts in the vertical direction of the telescopic direction of the adjacent running parts; the length of the compensation part is greater than the telescopic length of a preset telescopic part between adjacent walking parts;

two ends of the compensation part are respectively connected with the walking part supports on two sides; at least one end of the compensation part and the walking part on one side horizontally rotate relatively, and the rotation angle is less than 90 degrees;

the walking parts at two sides and the compensation part are provided with walking surfaces which are positioned on the same plane.

2. The beam bridge running gear compensation device according to claim 1, wherein the compensation means comprises a first set of compensation elements and a second set of compensation elements connected to the two side running gears, respectively, the two side running gears comprising a first running gear (1) and a second running gear (2);

one end of the first group of compensation parts rotates horizontally relative to the first running part, and one end of the second group of compensation parts rotates horizontally relative to the second running part;

the rotating central shaft of the first group of compensation parts is arranged in the first running part and is vertical to the running surface of the first running part, and the rotating central shaft of the second group of compensation parts is arranged in the second running part and is vertical to the running surface of the second running part; the first group of compensation members and the second group of compensation members have the same rotation angle.

3. The beam bridge running gear compensation device of claim 2, wherein the first and second sets of compensation members are centrosymmetric; the first group of compensation elements comprises at least one first compensation element (3) and the second group of compensation elements comprises at least one second compensation element (4).

4. The beam bridge running gear compensating device of claim 2, wherein the contact edges between the first and second set of compensating elements and the contact edges between the compensating element and the running gear are in relative sliding abutment.

5. The beam bridge running gear compensating device according to claim 2, wherein: a sliding guide structure (7) is arranged between the first group of compensation components and the second group of compensation components.

6. The beam bridge running gear compensating device according to claim 5, wherein: the sliding guide structure (7) comprises a first convex part (71), a first platform (72) and a first concave part (73) which are arranged on one group of compensation parts, and a second convex part (74), a second platform (75) and a second concave part (76) which are arranged on the other adjacent group of compensation parts (4); the first convex part (71) slides along the second concave part (76) in the second concave part (76), and the second convex part (74) slides along the first concave part (73) in the first concave part (73).

7. The beam bridge running gear compensating device according to claim 6, wherein: the first platform (72) is provided with a convex hole (77), the second platform (75) is provided with a sliding groove (78), and the convex hole (77) moves along the sliding groove (78) in the sliding groove (78).

8. The beam bridge running gear compensating device according to claim 2, wherein: the lower parts of the two side walking parts are respectively provided with a first reinforcing rib (8) and a second reinforcing rib; the lower parts of the two groups of compensation parts are respectively provided with a third reinforcing rib and a fourth reinforcing rib; the first reinforcing rib and the third reinforcing rib are provided with overlapping parts along the horizontal walking direction, and the second reinforcing rib and the fourth reinforcing rib are provided with overlapping parts along the horizontal walking direction.

9. The beam bridge running gear compensating device according to claim 1, wherein: the lower part of the walking part or the compensating part is provided with an installation adjusting hole (9).

10. The beam bridge running gear compensating device according to claim 1, wherein: the lower part of the walking part or the compensating part is provided with a height difference adjusting part.

Technical Field

The application relates to the technical field of road traffic, in particular to a compensation device for a beam bridge running gear.

Background

The existing road traffic system generally includes road traffic or rail traffic, and in any traffic system, a transition connection area is set due to expansion and contraction to adapt to the phenomenon that the running surface of the road or rail approaches or moves away due to expansion and contraction, for example, various connection devices are adopted for processing.

In the conventional compensation device, for example, as shown in patent No. CN201911047599, a movable plate is arranged between two fixed plates, and the movable plate is mounted on the two fixed plates to relatively slide to adapt to expansion with heat and contraction with cold of a beam bridge, but the movable plate may move up or down in a vertical direction; in this manner, both width-direction adjustment and length-direction adjustment are limited; in another connection device, for example, CN201720424974, the connection is performed by engaging the convex and concave parts with each other and using bolts, which is also the same as the above-mentioned structure, except that the adjustment in the length direction is limited, and the stress of the wheel carried by the cantilever structure itself is also poor; in the prior art, the adjusting distance is limited, the condition that the adjusting distance is not suitable under the condition of large environmental temperature difference still exists, and the adjusting precision is poor under the condition that the structure is abraded after long-term use; therefore, the connecting device in the prior art has the problems of small adjusting distance and height difference of the walking plane caused by expansion with heat and contraction with cold.

Disclosure of Invention

The application aims at providing a compensation device for a beam bridge running gear, so as to solve the technical problem that the compensation device is inconvenient to adjust in the prior art.

In order to achieve the above object, in one aspect of the present application, a compensating device for a bridge running gear is provided, which includes two adjacent running gears on two sides, a preset expansion gear is disposed between the two adjacent running gears, and a compensating gear covering the preset expansion gear is disposed between the two adjacent running gears;

the compensation part completely covers the preset telescopic part between the two running parts in the telescopic direction of the adjacent running parts, and the width of the compensation part completely or partially covers the width of the preset telescopic part between the adjacent running parts in the vertical direction of the telescopic direction of the adjacent running parts; the length of the compensation part is greater than the telescopic length of a preset telescopic part between adjacent walking parts;

two ends of the compensation part are respectively connected with the walking part supports on two sides; at least one end of the compensation part and the walking part on one side horizontally rotate relatively, and the rotation angle is less than 90 degrees;

the walking parts at two sides and the compensation part are provided with walking surfaces which are positioned on the same plane.

Optionally, the compensation part comprises a first group of compensation parts and a second group of compensation parts which are respectively connected with the running parts at two sides, and the running parts at two sides comprise a first running part and a second running part;

one end of the first group of compensation parts rotates horizontally relative to the first running part, and one end of the second group of compensation parts rotates horizontally relative to the second running part;

the rotating central shaft of the first group of compensation parts is arranged in the first running part and is vertical to the running surface of the first running part, and the rotating central shaft of the second group of compensation parts is arranged in the second running part and is vertical to the running surface of the second running part; the first group of compensation members and the second group of compensation members have the same rotation angle.

Optionally, the first set of compensation elements and the second set of compensation elements are centrosymmetric; the first set of compensation members includes at least one first compensation member and the second set of compensation members includes at least one second compensation member.

Optionally, the contact edge between the first group of compensation members and the second group of compensation members and the contact edge between the compensation part and the running part are in relative sliding and abutting joint.

Optionally, a sliding guide structure is arranged between the first group of compensation members and the second group of compensation members.

Optionally, the sliding guide structure includes a first convex portion, a first platform, and a first concave portion disposed on one group of the compensation members, and a second convex portion, a second platform, and a second concave portion disposed on another group of the adjacent compensation members; the first convex portion slides within the second concave portion along the second concave portion, and the second convex portion slides within the first concave portion along the first concave portion.

Optionally, the first platform is provided with a convex hole, the second platform is provided with a sliding groove, and the convex hole moves along the sliding groove in the sliding groove.

Optionally, the lower parts of the two side running parts are respectively provided with a first reinforcing rib and a second reinforcing rib; the lower parts of the two groups of compensation parts are respectively provided with a third reinforcing rib and a fourth reinforcing rib; the first reinforcing rib and the third reinforcing rib are provided with overlapping parts along the horizontal walking direction, and the second reinforcing rib and the fourth reinforcing rib are provided with overlapping parts along the horizontal walking direction.

Optionally, the lower part of the running part or the compensation part is provided with an installation adjusting hole.

Optionally, a height difference adjusting part is arranged at the lower part of the running part or the compensating part.

The beneficial effect of this application:

by applying the technical scheme of the application, under the condition that the adjacent two-end beam bridge is in strain extension, the compensation part can be adaptively rotationally adjusted along with the walking parts of the beam bridge under the condition that the walking parts are close to or far away from each other, so that the whole walking plane is kept from generating discontinuity and height difference;

the requirements on the manufacturing precision and the installation precision of the beam bridge can be reduced through the relative matching between the compensation part and the walking part; the requirements on the width and height errors between adjacent beam bridges are small, and the walking plane of the compensating piece can be kept flat and free of protrusion under the condition of generating large width or height errors;

let the girder bridge still have smooth walking plane under the great environment of adjusting distance, temperature difference change are great through the improvement to connecting device to can keep holistic precision after long-term the use, make the impact and the noise that the wheel produced of passing through less.

The compensation device for the walking part of the beam bridge is bridged across two sections of beam bridges, can be a walking part directly bridged across the two sections of beam bridges, and can also be a walking part bridged across and connected with the two sections of beam bridges; the whole structure is independent, and the installation and the adjustment are convenient.

Drawings

FIG. 1 is a schematic view of the structure of the running gear of the compensating gear for the bridge running gear of the present application;

FIG. 2 is a schematic structural view of a preferred embodiment of the bridge running gear compensating device of the present application;

FIG. 3 is a schematic structural view of a first compensator of the present application;

FIG. 4 is a schematic structural view of a second compensator of the present application;

FIG. 5 is a schematic structural view of a first and second compensation element of the present application;

FIG. 6 is a front view of FIG. 5;

FIG. 7 is a schematic view of a first application structure of the compensating device for the bridge running gear of the present application;

FIG. 8 is a schematic view of a second application structure of the compensating device for the bridge running gear of the present application;

FIG. 9 is a schematic view of a third application structure of the compensating device for the bridge running gear of the present application;

FIG. 10 is a schematic view of a bridge running gear compensating device according to the present invention in practical use.

Reference numerals:

the device comprises a first running part 1, a second running part 2, a first compensating part 3, a second compensating part 4, a first rotating shaft 5, a second rotating shaft 6, a sliding guide structure 7, a first convex part 71, a first platform 72, a first concave part 73, a second convex part 74, a second platform 75, a second concave part 76, a convex hole 77, a sliding groove 78, a first reinforcing rib 8, an installation adjusting hole 9, a height difference adjusting part 10, a beam bridge 100 and a bearing wheel 200.

Detailed Description

The following description of the embodiments of the present application is provided for illustrative purposes, and other advantages and capabilities of the present application will become apparent to those skilled in the art from the present disclosure.

It should be understood that the mechanisms, ratios, sizes, etc. shown in the drawings and described in the specification are only for understanding and reading by those skilled in the art, and are not intended to limit the scope of the present application, so they do not have technical essence, and any modification of the mechanisms, changes of the ratios, or adjustments of the sizes, should not affect the function and the achievable purpose of the present application, and all the modifications should fall within the scope of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present application, and changes or modifications in the relative relationship may be made without substantial technical changes.

As shown in fig. 1 to 10, in an embodiment of the present application, a compensating device for a bridge running gear is provided, which includes two adjacent running gears, a preset expansion gear is disposed between the two adjacent running gears, and a compensating gear covering the preset expansion gear is disposed between the two adjacent running gears; the compensation part completely covers the preset telescopic part between the two running parts in the telescopic direction of the adjacent running parts, and the width of the compensation part completely or partially covers the width of the preset telescopic part between the adjacent running parts in the vertical direction of the telescopic direction of the adjacent running parts; the length of the compensation part is greater than the telescopic length of a preset telescopic part between adjacent walking parts; two ends of the compensation part are respectively connected with the walking part supports on two sides; at least one end of the compensation part and the walking part on one side horizontally rotate relatively, and the rotation angle is less than 90 degrees; the walking parts at two sides and the compensation part are provided with walking surfaces which are positioned on the same plane. Therefore, the compensation part can be adaptively and rotatably adjusted along with the walking part of the beam bridge under the condition of being close to or far away from each other, so that the whole walking plane is kept free from discontinuity and height difference, the requirement that a train stably passes through the compensation part is met, and derailment is avoided.

The compensation part can be formed by a plurality of compensation parts in a single group, as shown in fig. 9, or can be formed by a first group of compensation parts and a second group of compensation parts which are respectively connected with the two side running parts, as shown in fig. 8. Under the former arrangement, one end of the compensation part and the walking part at one side rotate relatively and horizontally, and the rotation angle is less than 90 degrees; the other end of the compensating part is in relative sliding and abutting joint with the running part on the other side, as shown in figure 1. The compensation part comprises a first group of compensation parts and a second group of compensation parts, and the corresponding running part comprises a first running part and a second running part; one end of the first group of compensation parts rotates horizontally relative to the first running part, and one end of the second group of compensation parts rotates horizontally relative to the second running part; the central axis of rotation of the first group of compensation elements, for example the first rotation axis 5, is within the first running gear and perpendicular to the running surface of the first running gear, and the central axis of rotation of the second group of compensation elements, for example the second rotation axis 6, is within the second running gear and perpendicular to the running surface of the second running gear; the rotating angles of the first group of compensation pieces and the second group of compensation pieces are equal; as shown in fig. 2 or fig. 8, the first group of compensation members includes at least one first compensation member, and may also include a plurality of first compensation members arranged vertically; the second group of compensation parts comprises at least one second compensation part and also comprises a plurality of second compensation parts which are vertically arranged; in a more preferred arrangement, the first and second sets of compensation elements are centrosymmetric. Similarly, the contact edges between the first group of compensation parts and the second group of compensation parts and the contact edges between the compensation parts and the running part are in relative sliding and abutting connection.

In order to enable the first compensation part 3 and the second compensation part 4 to be relatively close to or far away from each other and also meet the requirement that the contact sliding edges are kept in contact, a sliding guide mechanism is arranged between the first compensation part 3 and the second compensation part 4 to enable the first compensation part 3 and the second compensation part 4 to be in a contact state in the process of enabling the first compensation part 3 and the second compensation part 4 to rotate along the first rotating shaft 5 and the second rotating shaft 6 in the same direction respectively under the action of the close or far away of two adjacent sections of bridge bridges 100, so that the running surfaces of the running part of the bridge 100 and the running surfaces of the compensation parts are located on the same plane; the running surface of the compensation part and the running surface of the compensation part are kept to be positioned on the same plane through relative rotation, so that the height difference existing in the prior art is avoided, the integral planeness can be met under the condition that the beam bridge 100 expands with heat and contracts with cold, the requirements on the manufacturing precision and the installation precision of the beam bridge 100 are low, and the effect of keeping the integral precision for a long time is achieved to a certain extent.

In the relative rotation process of the first compensation part 3 and the second compensation part 4, the first compensation part 3 and the second compensation part 4 are guided by the sliding guide structure 7 and are in linkage connection, and in the extension and contraction process of the two sections of beam bridges 100, the adjacent edges of the first compensation part 3 and the second compensation part 4 are kept adjacent and can relatively slide; the sliding guide structure 7 comprises a first convex part 71, a first platform 72 and a first concave part 73 which are arranged on one group of compensation parts, such as the first compensation part 3, and a second convex part 74, a second platform 75 and a second concave part 76 which are arranged on the other adjacent group of compensation parts, such as the second compensation part 4; the first convex portion 71 slides along the second concave portion 76 in the second concave portion 76, the second convex portion 74 slides along the first concave portion 73 in the first concave portion 73, and the first convex portion 71 and the second concave portion 76, and the second convex portion 74 and the first concave portion 73 are matched to form a relative sliding guide function in the relative rotation process.

Meanwhile, the first platform 72 is provided with the convex hole 77, the second platform 75 is provided with the sliding groove 78, the convex hole 77 is enabled to move in the sliding groove 78 along the sliding groove 78, a fastener can be adopted for connection during specific connection, and when the first compensation part 3 and the second compensation part 4 rotate relatively, the contact sliding edges are guaranteed to be always kept in a fit state and form relative sliding.

A first walking part 1 and a second walking part 2 are connected to two ends of the bridge 100, the first walking part 1 is installed on a first bridge section and is rotationally connected with a first compensation part 3, and the second walking part 2 is installed on a second bridge section and is rotationally connected with a second compensation part 4; the first walking part 1 and the second walking part 2 are respectively provided with a first reinforcing rib 8 and a second reinforcing rib, the second reinforcing rib and the first reinforcing rib 8 can have the same structure, and form a relatively parallel state after being installed; the first compensation part 3 and the second compensation part 4 are respectively provided with a third reinforcing rib and a fourth reinforcing rib; the first reinforcing rib and the third reinforcing rib are provided with overlapping parts along the walking direction, and the second reinforcing rib and the fourth reinforcing rib are provided with overlapping parts along the walking direction; the whole running surface is kept smooth, the whole connecting device is connected between the beam bridges 100 on the two sides to form a reliable connection condition, and the stability of passing vehicles is ensured.

The first running part 1 and the second running part 2 are respectively provided with an installation adjusting hole 9, and when the whole connecting device is installed on the beam bridges 100 on two sides, the whole connecting device is mainly fixedly installed through the installation adjusting holes 9.

After the whole connecting device is installed, in order to adapt to the height difference of the beam bridges 100 on the two sides and adjust the height within a certain range, height difference adjusting pieces 10 are arranged below the first walking part 1 and the second walking part 2, and the relative height difference is adjusted through the height difference adjusting pieces 10, so that the connecting device can adapt to the condition that the beam bridges 100 are dislocated to a certain extent, and the whole connecting device has certain tolerance precision.

As shown in fig. 7, 8 and 9, two adjacent sections of bridge bridges 100 can be connected by a plurality of groups of first compensation parts 3 and second compensation parts 4, on one hand, the first compensation parts 3 and the second compensation parts 4 which are matched with each other can be installed and adapted according to bridge structures, on the other hand, the bridge running part compensation device disclosed by the invention can be applied to corresponding bridge 100 structures, so that the two adjacent sections of bridge bridges 100 can cover the preset expansion part through the bridge running part compensation device under the condition of thermal expansion and cold contraction, and the two adjacent sections of bridge bridges 100 can keep the connection state of the equal-height planes, and are suitable for smooth passing of trains; FIG. 7 shows that the compensating part partially covers the pre-set expansion part between the adjacent running parts in the vertical direction of the expansion direction of the adjacent running parts; in the vertical direction of the expansion and contraction direction of the adjacent running parts, the compensation part completely covers the preset expansion and contraction part between the adjacent running parts, as shown in FIGS. 8 to 9. Fig. 10 shows an application of the compensating device of the present application, wherein 200 is a load wheel.

In the embodiments of the present application, it should be noted that the terms "first", "second", and the like are only used for convenience of description and understanding, and do not limit the number of uses, the order of installation, or the degree of importance of specific technical features.

The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.