CN218479034U

CN218479034U - Shock attenuation tenon mounting structure

Info

Publication number: CN218479034U
Application number: CN202222979020.0U
Authority: CN
Inventors: 马冀北; 季翔
Original assignee: Lanzhou Jiaotong University
Current assignee: Lanzhou Jiaotong University
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-02-14
Anticipated expiration: 2032-11-09

Abstract

The utility model belongs to the technical field of shock absorption tenons, in particular to a shock absorption tenon mounting structure, which comprises a lower pouring plate, an upper pouring plate, a support column and a tenon ball, wherein the bottom surface of the upper pouring plate is fixed with an upper sleeve, and the shock absorption tenon mounting structure also comprises a lower sleeve, a support spring, a telescopic rod and a telescopic spring; u-shaped twisted steel bars are fixed on the lower casting plate and the upper casting plate; a connecting plate is arranged on the outer wall of the tenon ball, one end of the telescopic rod is hinged with the inner wall of the upper sleeve, and the other end of the telescopic rod is hinged with the connecting plate; the utility model discloses a shock attenuation tenon mounting structure, the lower extreme of support column utilizes the lower sleeve to install to realize combatting earthquake through supporting spring, the upper end of support column utilizes the upper sleeve to install, and utilize telescopic link and expanding spring to combat earthquake, and telescopic link and expanding spring can cushion the vibrations of level and vertical direction simultaneously, have improved the damping effect of shock attenuation tenon greatly, have improved the stability of shock attenuation tenon installation, can satisfy and use in the railway crane span structure engineering of majority.

Description

Shock attenuation tenon mounting structure

Technical Field

The utility model belongs to the technical field of the shock attenuation tenon, concretely relates to shock attenuation tenon mounting structure.

Background

The damping tenon is a common supporting structure of railway bridge engineering, and the bridge damping tenon mainly works through friction between a spherical damping tenon ball at the top and a cylindrical damping tenon sleeve to realize a damping effect so as to consume the shock energy generated by pressure on the bridge and self stress rebound of the bridge when a vehicle passes through the damping tenon.

At present, the chinese utility model patent with application number 202221538475.2 discloses a "shock absorption tenon", including: the bottom plate is fixedly arranged on the pier, a support column is arranged on the bottom plate, and a tenon ball is arranged at the end part of the support column; the top plate is fixedly connected with the bridge, the outer barrel is arranged on the top plate, at least four groups of M-shaped elastic sheets are circumferentially arranged on the inner wall of the outer barrel in an array mode, and the protruding parts of each group of M-shaped elastic sheets are tangent to the outer wall of the tenon ball.

However, to traditional shock attenuation tenon, the back is accomplished in the shock attenuation tenon installation, plays the spring that only has the top of core cushioning effect, when vibrations are great, still can transmit the support column of below, makes to produce the shake between support column and the bottom plate of below, influences the fastness of shock attenuation tenon installation then, consequently, traditional shock attenuation tenon can't satisfy and is applicable to the great scene of vibrations and use.

The above information disclosed in this background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a shock attenuation tenon mounting structure has convenient to use, the effectual and extensive characteristics of application scope of shock attenuation.

In order to achieve the above object, the utility model provides a following technical scheme: a damping tenon mounting structure comprises a lower pouring plate, an upper pouring plate, a support column and a tenon ball fixed at the top end of the support column, wherein an upper sleeve is fixed on the bottom surface of the upper pouring plate;

the lower casting plate is used for being cast with a pier into a whole, the upper casting plate is used for being cast with a bridge into a whole, and a plurality of U-shaped threaded steel bars are fixed on the lower casting plate and the upper casting plate;

the lower sleeve is fixed on the top surface of the lower pouring plate, the bottom end of the supporting column is embedded into the lower sleeve to form a telescopic structure, and the supporting spring is connected between the bottom surface of the supporting column and the top surface of the lower pouring plate;

the outer wall of tenon ball has a plurality of connecting plates that distribute along the circumferencial direction at equal intervals, the one end of telescopic link with it is articulated to go up telescopic inner wall, the other end with the connecting plate is articulated, just the both ends of telescopic link still all are fixed with the spacing ring, the expanding spring cover is established just be in two on the telescopic link between the spacing ring.

As a preferred technical scheme of the utility model, the connecting plate has four along equidistant distribution of circumferencial direction.

As a preferred technical scheme of the utility model, it is same be connected with the telescopic link that two sets of symmetries distribute on the connecting plate, and with organizing the telescopic link symmetric distribution has two.

As an optimal technical scheme of the utility model the lower sleeve's outer wall with be connected with four bearing diagonal gusset that equal interval distributed along the circumferencial direction between the lower casting plate.

As an optimized technical scheme of the utility model, the outer wall of support column supports pastes lower telescopic inner wall.

As the utility model discloses a preferred technical scheme still includes go-between and regular hexagon bolt, the go-between utilizes regular hexagon bolt to install telescopic top down the inner wall of go-between is fixed with a plurality of spacing sliders that distribute along the equidistance of circumferencial direction the confession has been seted up along vertical direction to the outer wall of support column the spacing spout of spacing slider embedding.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a shock attenuation tenon mounting structure, the lower extreme of support column utilizes the lower sleeve to install to realize combatting earthquake through supporting spring, the upper end of support column utilizes the upper sleeve to install, and utilize telescopic link and expanding spring to combat earthquake, and telescopic link and expanding spring can cushion the vibrations of level and vertical direction simultaneously, have improved the damping effect of shock attenuation tenon greatly, have improved the stability of shock attenuation tenon installation, can satisfy and use in the railway crane span structure engineering of majority.

Additional advantages and benefits of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the axial measurement structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the utility model at the point B in fig. 2;

in the figure: 1. lower casting plate; 2. pouring a plate; 3. u-shaped twisted steel; 4. a lower sleeve; 5. a support pillar; 6. an upper sleeve; 7. inclined supporting rib plates; 8. tenon ball; 9. a support spring; 10. a connecting plate; 11. a telescopic rod; 12. a limiting ring; 13. a tension spring; 14. a connecting ring; 15. a regular hexagon bolt; 16. a limiting chute; 17. and a limiting sliding 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a damping tenon mounting structure comprises a lower pouring plate 1, an upper pouring plate 2, a support column 5 and a tenon ball 8 fixed at the top end of the support column 5, wherein an upper sleeve 6 is fixed at the bottom surface of the upper pouring plate 2, and the damping tenon mounting structure further comprises a lower sleeve 4, a support spring 9, an expansion link 11 and an expansion spring 13;

as shown in fig. 1, in this embodiment, the lower casting plate 1 is used to be cast integrally with a bridge pier, the upper casting plate 2 is used to be cast integrally with a bridge, and a plurality of U-shaped twisted steel bars 3 are fixed on both the lower casting plate 1 and the upper casting plate 2, so that when in use, the lower casting plate 1 is cast integrally with the bridge pier, the upper casting plate 2 is cast integrally with the bridge pier, and the U-shaped twisted steel bars 3 greatly improve the connection tightness between the lower casting plate 1 and the bridge pier and the connection tightness between the upper casting plate 2 and the bridge;

as shown in fig. 1 and fig. 2, in this embodiment, the lower sleeve 4 is fixed on the top surface of the lower casting plate 1, the bottom end of the supporting column 5 is embedded into the lower sleeve 4 to form a telescopic structure, and the supporting spring 9 is connected between the bottom surface of the supporting column 5 and the top surface of the lower casting plate 1, so that the existence of the supporting spring 9 can counteract the vibration of the bridge in the vertical direction;

in the embodiment, the outer wall of the tenon ball 8 is provided with a plurality of connecting plates 10 which are distributed at equal intervals along the circumferential direction, one end of the telescopic rod 11 is hinged with the inner wall of the upper sleeve 6, the other end of the telescopic rod is hinged with the connecting plates 10, and limiting rings 12 are fixed at two ends of the telescopic rod 11, the telescopic spring 13 is sleeved on the telescopic rod 11 and is positioned between the two limiting rings 12, the telescopic rod 11 is a telescopic structure formed by sleeving two sections of hollow cylindrical components, under the elastic force action of the telescopic spring 13, when the railway bridge generates vertical or horizontal vibration, the telescopic rod 11 and the telescopic spring 13 can both stretch, vibration in the horizontal and vertical directions can be buffered, the vibration damping effect of the damping tenon is greatly improved, the stability of mounting of the damping tenon is improved, and the requirement for use in most railway bridge constructions can be met.

As shown in fig. 1, fig. 2, and fig. 3, as an alternative embodiment, in this embodiment, four connection plates 10 are equally spaced in the circumferential direction, and the stability is high.

As shown in fig. 1, 2 and 3, as an alternative embodiment, in this embodiment, two groups of symmetrically distributed telescopic rods 11 are connected to the same connecting plate 10, and two groups of telescopic rods 11 are symmetrically distributed on the same group, so as to improve the stability of the connection between the tenon ball 8 at the top end of the supporting column 5 and the upper sleeve 6, and provide a better damping effect.

As shown in fig. 1, as an optional embodiment, in this embodiment, four diagonal bracing rib plates 7 distributed at equal intervals along the circumferential direction are connected between the outer wall of the lower sleeve 4 and the lower casting plate 1, so as to further improve the stability of the connection between the lower sleeve 4 and the lower casting plate 1, and thus improve the stability of the installation of the bracing column 5.

As shown in fig. 1, fig. 2, and fig. 4, as an alternative embodiment, in this embodiment, the outer wall of the supporting column 5 abuts against the inner wall of the lower sleeve 4, so as to further improve the stability of the installation of the supporting column 5 and prevent the supporting column 5 from generating radial run-out.

As shown in fig. 1, fig. 2, and fig. 4, as an optional embodiment, in this embodiment, the connection device further includes a connection ring 14 and a regular hexagon bolt 15, the connection ring 14 is mounted at the top end of the lower sleeve 4 by using the regular hexagon bolt 15, a plurality of limiting sliders 17 distributed at equal intervals in the circumferential direction are fixed on the inner wall of the connection ring 14, a limiting sliding groove 16 for embedding the limiting slider 17 is vertically formed in the outer wall of the support pillar 5, the limiting slider 17 cooperates with the limiting sliding groove 16 to limit the displacement of the support pillar 5 in the vertical direction, and meanwhile, the stability of connection between the support pillar 5 and the lower sleeve 4 is improved.

The utility model discloses a theory of operation and use flow: the utility model discloses a damping tenon mounting structure, when using, pours lower casting plate 1 and pier as an organic whole, and upper casting plate 2 pours as an organic whole with the bridge, and the existence of U type twisted steel 3 can improve the compactness that lower casting plate 1 and pier are connected greatly to and the compactness that upper casting plate 2 and bridge are connected, and the existence of supporting spring 9 can offset the vibrations of bridge in the vertical direction;

in addition, when the railway bridge produces vibrations of vertical or horizontal direction, telescopic link 11 and expanding spring 13 all can produce and stretch out and draw back, can cushion the vibrations of level and vertical direction simultaneously, have improved the damping effect of shock attenuation tenon greatly, have improved the stability of shock attenuation tenon installation, can satisfy and use in the railway bridge frame engineering of great majority.

Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a shock attenuation tenon mounting structure, includes lower pouring plate (1), goes up pouring plate (2), support column (5) and fixes tenon ball (8) on support column (5) top go up the bottom surface of pouring plate (2) and be fixed with sleeve (6), its characterized in that: the shock absorption tenon mounting structure further comprises a lower sleeve (4), a supporting spring (9), an expansion rod (11) and an expansion spring (13);

the lower pouring plate (1) is used for being poured into a whole with a pier, the upper pouring plate (2) is used for being poured into a whole with a bridge, and a plurality of U-shaped twisted steel bars (3) are fixed on the lower pouring plate (1) and the upper pouring plate (2);

the lower sleeve (4) is fixed on the top surface of the lower pouring plate (1), the bottom end of the supporting column (5) is embedded into the lower sleeve (4) to form a telescopic structure, and the supporting spring (9) is connected between the bottom surface of the supporting column (5) and the top surface of the lower pouring plate (1);

the outer wall of tenon ball (8) has a plurality of connecting plates (10) that distribute along the circumferencial direction at equal intervals, the one end of telescopic link (11) with the inner wall of upper sleeve (6) is articulated, the other end with connecting plate (10) are articulated, just the both ends of telescopic link (11) still all are fixed with spacing ring (12), expanding spring (13) cover is established just be in two on telescopic link (11) between spacing ring (12).

2. The shock-absorbing tenon mounting structure according to claim 1, wherein: four connecting plates (10) are distributed at equal intervals along the circumferential direction.

3. The shock-absorbing tenon mounting structure according to claim 1, wherein: two groups of symmetrically distributed telescopic rods (11) are connected to the same connecting plate (10), and two groups of the same telescopic rods (11) are symmetrically distributed.

4. The shock absorbing tenon attaching structure according to claim 1, wherein: four diagonal bracing rib plates (7) which are distributed at equal intervals along the circumferential direction are connected between the outer wall of the lower sleeve (4) and the lower pouring plate (1).

5. The shock absorbing tenon attaching structure according to claim 1, wherein: the outer wall of the supporting column (5) abuts against the inner wall of the lower sleeve (4).

6. The shock absorbing tenon attaching structure according to claim 1, wherein: the connecting ring (14) is installed at the top end of the lower sleeve (4) through the regular hexagon bolt (15), a plurality of limiting sliding blocks (17) distributed at equal intervals in the circumferential direction are fixed on the inner wall of the connecting ring (14), and limiting sliding grooves (16) for the limiting sliding blocks (17) to be embedded are formed in the outer wall of the supporting column (5) in the vertical direction.