CN214883059U - Device for locally reinforcing railway gravity type bridge pier - Google Patents

Abstract

The utility model discloses a device that is used for railway gravity type pier local to strengthen belongs to pier support technical field. A device for local reinforcement of a railway gravity type pier comprises four groups of L-shaped angle plates, wherein two ends of each L-shaped angle plate are provided with inclined surfaces, a limiting sliding groove is formed in each inclined surface, a regulating plate is connected in the limiting sliding groove in a sliding mode, a buffer rod piece is connected between adjacent regulating plates on adjacent L-shaped angle plates, the outer side walls of the adjacent regulating plates on the adjacent L-shaped angle plates are rotatably connected with regulating rods through rotating rods, the ends, close to each other, of the regulating rods on the adjacent regulating plates are hinged with each other, the hinged joints of the regulating rods are further rotatably connected with connecting rods, hanging rings are integrally formed at the bottom ends of the connecting rods, and counterweight assemblies are detachably connected on the hanging rings; the utility model discloses can use not unidimensional pier according to strengthening the function, the shock-absorbing function of pier root when can realizing the earthquake simultaneously.

Description

Device for locally reinforcing railway gravity type bridge pier

Technical Field

The utility model relates to a pier supports technical field, especially relates to a device that is used for railway gravity type pier local to strengthen.

Background

Earthquake disasters are sudden and destructive, and seriously threaten the safety of human life and property. China is in two most active earthquake zones in the world, is one of the most serious countries suffering from earthquake disasters, casualties and economic losses caused by earthquakes are huge, bridges serving as key links of traffic transportation are important responsibility for transporting goods and materials and rescuing lives in earthquake relief, and the significance of researching novel bridge earthquake-resistant systems is great.

Under the action of earthquake motion, horizontal earthquake force is intensively acted on the upper structure and is transmitted to the lower pier. The strength and rigidity of the superstructure of the bridge are sufficiently high with respect to the lower pier, and thus the seismic design and performance of the lower pier are particularly important compared to the superstructure and the foundation cap. At present, most piers at home and abroad adopt a reinforced concrete structure form, the pier in the form has good compression resistance and poor ductility and is easy to damage in an earthquake, and after the earthquake, even if the structure does not collapse, the pier still needs to be dismantled and rebuilt because of overlarge unrecoverable plastic deformation. Brings troubles for emergency rescue and disaster relief after earthquake, and causes huge indirect loss.

However, in an earthquake, the wall plate at the root of the box-shaped steel pier is easy to generate local buckling deformation, so that the anti-seismic performance of the box-shaped steel pier is rapidly deteriorated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the local buckling deformation of the wall plate at the root of the pier is easy to occur in the prior art, and providing a device for the local reinforcement of the railway gravity type pier.

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

the utility model provides a device for railway gravity type pier local is strengthened, includes four group's L type scutches, the both ends of L type scute all are equipped with the inclined plane, spacing spout has been seted up on the inclined plane, sliding connection has the regulating plate in the spacing spout, and is adjacent be connected with the buffering member between the adjacent regulating plate on the L type scute, and is adjacent regulating plate lateral wall all rotates through the dwang and is connected with the regulation pole on the L type scute, and is adjacent the one end that the regulation pole on the regulating plate is close to each other is articulated each other, the pin joint of adjusting the pole still rotates and is connected with the connecting rod, the bottom integrated into one piece of connecting rod has the link, can dismantle on the link and be connected with the counter weight subassembly.

Preferably, the buffering member includes the sleeve, the sleeve rigid coupling is adjacent regulating plate one side in opposite directions, and is adjacent sleeve one side sliding connection in opposite directions has the loop bar, links to each other the rigid coupling has the buffer spring of cover at sleeve and loop bar outer wall between the regulating plate.

Preferably, the counterweight assembly comprises a counterweight hook, the counterweight hook is hung on the hanging ring, and one end, far away from the hanging ring, of the counterweight hook is connected with a counterweight block.

Preferably, the counterweight is suspended in the air.

Preferably, the limiting sliding groove is connected with a limiting sliding block in a sliding mode, and the limiting sliding block and the adjusting plate are integrally formed.

Preferably, the bottom end of the L-shaped angle plate is further fixedly connected with a bottom plate, and the bottom plate is provided with a positioning hole.

Preferably, a reinforcing plate is further fixedly connected between the bottom plate and the side wall of the L-shaped corner plate.

Preferably, the openings formed by the adjusting rods hinged on the adjacent adjusting plates are upward.

Preferably, the L-shaped corner plate abuts against a root corner of the square pier.

Compared with the prior art, the utility model provides a device that is used for railway gravity type pier local to strengthen possesses following beneficial effect:

1. this a device for local enhancement of railway gravity type pier strengthens bottom plate and L type gusset plate's support performance through the reinforcing plate, helps improving the anti-seismic performance that the pier was based on.

2. This a device for local enhancement of railway gravity type pier, during the non-earthquake state, self gravity through the unsettled balancing weight of control pulls mutual articulated regulation pole, guarantees that the regulating plate remains the trend that is close to each other throughout, can adapt to the support performance of not unidimensional pier through adjusting the contained angle that forms between the mutual articulated regulation pole, and the suitability is strong.

3. This a device for local enhancement of railway gravity type pier, during earthquake state, the balancing weight vibrations lead to the articulated contained angle of adjusting between the pole to have the weak change of certain range, and then lead to the distance between the regulating plate to be in the change condition, drives the buffer spring of sleeve and loop bar outer wall simultaneously and takes place deformation, has guaranteed good damping performance again when realizing supporting function to the pier, helps improving the anti-seismic performance of pier root.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the connection structure of the adjusting rod of the present invention;

fig. 4 is a schematic structural view of the L-shaped corner plate of the present invention.

In the figure: 1. an L-shaped gusset; 2. a limiting chute; 3. an adjusting plate; 4. adjusting a rod; 5. a connecting rod; 6. hanging a ring; 7. a sleeve; 8. a loop bar; 9. a buffer spring; 10. a balancing weight; 11. a limiting slide block; 12. a base plate; 13. positioning holes; 14. a reinforcing plate; 15. and a counterweight hook.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Example 1:

referring to fig. 1-4, a device for local enhancement of railway gravity type pier, including four group L type scutches 1, L type scute 1's both ends all are equipped with the inclined plane, spacing spout 2 has been seted up on the inclined plane, sliding connection has regulating plate 3 in spacing spout 2, be connected with the buffering member between the adjacent regulating plate 3 on the adjacent L type scute 1, adjacent regulating plate 3 lateral wall all rotates through the dwang on the adjacent L type scute 1 and is connected with regulation pole 4, the one end that the regulation pole 4 on the adjacent regulating plate 3 is close to each other is articulated each other, the pin joint of adjusting pole 4 still rotates and is connected with connecting rod 5, the bottom integrated into one piece of connecting rod 5 has link 6, can dismantle on the link 6 and be connected with the counter weight subassembly.

The buffer rod piece comprises a sleeve 7, the sleeve 7 is fixedly connected to one side, opposite to the adjacent adjusting plate 3, of the adjacent sleeve 7, a loop bar 8 is connected to one side, opposite to the adjacent sleeve 7, of the adjacent sleeve 7 in a sliding mode, and a buffer spring 9 sleeved on the outer wall of the sleeve 7 and the loop bar 8 is fixedly connected between the adjacent adjusting plates 3.

The counterweight component comprises a counterweight hook 9, the counterweight hook 9 is hung on the hanging ring 6, and one end of the counterweight hook 9 far away from the hanging ring 6 is connected with a counterweight block 10.

The weight 10 is suspended.

The limiting sliding groove 2 is internally and slidably connected with a limiting sliding block 11, and the limiting sliding block 11 and the adjusting plate 3 are integrally formed.

The bottom end of the L-shaped angle plate 1 is also fixedly connected with a bottom plate 12, and the bottom plate 12 is provided with a positioning hole 13.

And a reinforcing plate 14 is fixedly connected between the bottom plate 12 and the side wall of the L-shaped angle plate 1.

The openings formed by the adjusting rods 4 hinged on the adjacent adjusting plates 3 are upward.

The L-shaped angle plate 1 is abutted to the root corner of the square pier.

When the L-shaped angle plate is used, the L-shaped angle plate 1 is abutted against the root corner of a square pier, the bottom plate 12 is installed on the ground through bolts, and the reinforcing plate 14 is used for reinforcing the supporting performance of the bottom plate 12 and the L-shaped angle plate 1, so that the improvement of the seismic performance of the pier is facilitated;

when the bridge pier is in a non-earthquake state, the adjusting rods 4 hinged with each other are pulled by the self gravity of the suspended balancing weight 10, so that the adjusting plates 3 are always kept to be close to each other, the supporting performance of bridge piers of different sizes can be adapted by adjusting included angles formed between the adjusting rods 4 hinged with each other, and the applicability is strong;

during the earthquake state, balancing weight 10 vibrations lead to the articulated contained angle of adjusting between pole 4 to have the weak change of certain range, and then lead to the distance between regulating plate 3 to be in the change condition, drives the buffer spring 9 of sleeve 7 and 8 outer walls of loop bars simultaneously and takes place deformation, has guaranteed good damping performance again when realizing supporting function to the pier, helps improving the anti-seismic performance of pier root.

Claims (9)

1. A device for locally reinforcing railway gravity type bridge piers comprises four groups of L-shaped angle plates (1), it is characterized in that two ends of the L-shaped angle plate (1) are respectively provided with an inclined plane, the inclined planes are provided with a limit sliding chute (2), the limiting sliding groove (2) is internally and slidably connected with an adjusting plate (3), a buffering rod piece is connected between adjacent adjusting plates (3) on the adjacent L-shaped angle plate (1), the outer side walls of the adjacent adjusting plates (3) on the adjacent L-shaped angle plate (1) are rotatably connected with adjusting rods (4) through rotating rods, the ends, close to each other, of the adjusting rods (4) on the adjacent adjusting plates (3) are hinged with each other, the hinged point of the adjusting rod (4) is also rotationally connected with a connecting rod (5), the bottom integrated into one piece of connecting rod (5) has link (6), can dismantle on link (6) and be connected with the counter weight subassembly.

2. The device for the local reinforcement of the railway gravity pier is characterized in that the buffer rod piece comprises a sleeve (7), the sleeve (7) is fixedly connected to one side, opposite to the adjacent adjusting plate (3), of the sleeve (7), a sleeve rod (8) is slidably connected to one side, opposite to the adjacent sleeve (7), of the sleeve (7), and a buffer spring (9) sleeved on the outer wall of the sleeve (7) and the sleeve rod (8) is fixedly connected between the adjacent adjusting plates (3).

3. A device for local reinforcement of a railway gravity pier according to claim 2, wherein the counterweight assembly comprises a counterweight hook (15), the counterweight hook (15) is hung on the hanging ring (6), and a counterweight block (10) is connected to one end of the counterweight hook (15) far away from the hanging ring (6).

4. A device for local reinforcement of a railroad gravity pier according to claim 3, wherein the counterweight (10) is suspended.

5. A device for local reinforcement of a railway gravity pier according to claim 4, wherein a limiting slide block (11) is slidably connected in the limiting slide groove (2), and the limiting slide block (11) is integrally formed with the adjusting plate (3).

6. The device for the local reinforcement of the railway gravity pier is characterized in that a bottom plate (12) is further fixedly connected to the bottom end of the L-shaped angle plate (1), and a positioning hole (13) is formed in the bottom plate (12).

7. A device for local reinforcement of a railway gravity pier according to claim 6, wherein a reinforcement plate (14) is further fixed between the bottom plate (12) and the side wall of the L-shaped corner plate (1).

8. A device for local reinforcement of railway gravity pier according to claim 7, characterized in that the openings formed by the hinged adjusting rods (4) adjacent to the adjusting plates (3) are upward.

9. A device for local reinforcement of a railroad gravity pier according to any one of claims 1 to 8, wherein the L-shaped corner plate (1) abuts against a root corner of a square pier.

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