CN213358314U - Swinging type noise-reducing multidirectional displacement telescopic device - Google Patents

Swinging type noise-reducing multidirectional displacement telescopic device Download PDF

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Publication number
CN213358314U
CN213358314U CN202022123843.4U CN202022123843U CN213358314U CN 213358314 U CN213358314 U CN 213358314U CN 202022123843 U CN202022123843 U CN 202022123843U CN 213358314 U CN213358314 U CN 213358314U
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China
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pendulum
spherical
shifts
box body
fishback
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CN202022123843.4U
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Chinese (zh)
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张谦
蔡永志
张双彬
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Hengshui Zhili Engineering Rubber Co ltd
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Hengshui Zhili Engineering Rubber Co ltd
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Abstract

The utility model belongs to the technical field of the telescoping device, a multidirectional telescoping device that shifts of making an uproar falls in formula of swaing is disclosed. The main technical characteristics are as follows: including fixed fishback, activity fishback and waterproof rubber board, be provided with the space layer that shifts below the rear end of activity fishback, be provided with the box below the space layer that shifts, the box is connected with activity fishback through the bolt, be provided with the pendulum in the box, well pendulum, lower pendulum, it is provided with stainless steel spherical slide to go up the pendulum bottom surface, well pendulum top surface is provided with modified ultra high molecular polytetrafluoroethylene sphere slide, go up vibration/noise reduction layer, well pendulum bottom surface is provided with down vibration/noise reduction layer, modified ultra high molecular polytetrafluoroethylene sphere slide down, lower pendulum top surface is provided with down stainless steel spherical slide. The utility model provides a multidirectional telescoping device that shifts of making an uproar falls in formula that sways satisfies vertical corner demand, and the noise is little.

Description

Swinging type noise-reducing multidirectional displacement telescopic device
Technical Field
The utility model belongs to the technical field of the telescoping device, especially, relate to a multidirectional telescoping device that shifts of making an uproar falls in formula of swaing.
Background
On expressways, urban viaducts and various large-scale suspension structure buildings, expansion devices are erected among bridge bodies, bridge abutments and beam ends and serve as connecting bodies of the expansion devices, gaps among the beam ends are smoothly transited by the expansion devices, the increase and reduction of the gaps of the beam bodies caused by temperature creep can be met, vehicles can smoothly pass through the expansion devices, and the most widely applied at present are comb plate type expansion devices and module type expansion devices. The comb-tooth type expansion device comprises a movable comb-tooth plate and a fixed comb-tooth plate which are matched, and a waterproof rubber plate is arranged below the movable comb-tooth plate. The movable comb plate and the fixed comb plate are respectively connected in the concrete through bolts. The broach of activity fishback and fixed fishback is crisscross to be set up, and through the change of activity fishback and fixed broach inter-plate position, fishback telescoping device can satisfy the following bridge that temperature variation etc. arouse and warp. Current fishback telescoping device, the unable vertical corner demand of satisfying that better of activity fishback.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is exactly to provide a multidirectional telescoping device that shifts of making an uproar falls in the formula of swaing that satisfies vertical corner demand that can be better.
In order to solve the technical problem, the utility model discloses a technical scheme does: comprises a fixed comb plate, a movable comb plate and a waterproof rubber plate, wherein a displacement space layer is arranged below the rear end of the movable comb plate, a box body is arranged below the displacement space layer, the box body is connected with the movable comb plate through bolts, an upper ball pendulum, a middle ball pendulum and a lower ball pendulum are arranged in the box body, the top surface of the upper ball pendulum is an upper plane, the bottom surface of the upper ball pendulum is an upper concave spherical surface, the top surface of the middle ball pendulum is an upper convex spherical surface, the bottom surface is lower convex sphere, lower pendulum top surface is recessed sphere, the bottom surface is lower plane, goes up concave sphere and last convex sphere phase-match, lower convex sphere and recessed sphere phase-match, goes up the pendulum bottom surface and is provided with stainless steel spherical slide, and well pendulum top surface is provided with modified super high molecular polytetrafluoroethylene spherical slide, goes up vibration/noise reduction layer, and well pendulum bottom surface is provided with down vibration/noise reduction layer, modified super high molecular polytetrafluoroethylene spherical slide down, and lower pendulum top surface is provided with down stainless steel spherical slide.
The additional technical characteristics are as follows: the box body is internally provided with a high polymer sound absorption material body.
The utility model provides a multidirectional telescoping device that shifts of making an uproar falls in formula that sways is provided with the space layer that shifts below the rear end of activity fishback, and the space layer that shifts adopts rubber slab or other flexible material board, and the space layer that shifts makes activity fishback have the space that shifts from top to bottom, satisfies vertical corner demand. A box body is arranged below the deflection space layer and is connected with the movable comb plate through bolts, and an upper ball pendulum, a middle ball pendulum and a lower ball pendulum are arranged in the box body. The upper spherical pendulum bottom surface is provided with an upper stainless steel spherical sliding plate, the middle spherical pendulum top surface is provided with an upper modified ultra-high molecular polytetrafluoroethylene spherical sliding plate and an upper vibration and noise reduction layer, the middle spherical pendulum bottom surface is provided with a lower vibration and noise reduction layer and a lower modified ultra-high molecular polytetrafluoroethylene spherical sliding plate, and the lower spherical pendulum top surface is provided with a lower stainless steel spherical sliding plate. Go up stainless steel spherical slide, go up modified ultra high molecular polytetrafluoroethylene spherical slide and satisfy the rotation demand between ball pendulum, well ball pendulum, stainless steel spherical slide down, modified ultra high molecular polytetrafluoroethylene spherical slide satisfies the rotation demand between well ball pendulum, lower ball pendulum, and the bigger space that better satisfies movable fishback shifts, goes up vibration and noise reduction layer, lower vibration and noise reduction layer and the common noise reduction of space layer, polymer sound absorbing material body that shifts.
Drawings
FIG. 1 is a schematic structural view of a swing type noise-reducing multi-directional deflection telescopic device of the present invention;
FIG. 2 is a top view of the rocking noise-reducing multi-directional shifting telescopic device;
FIG. 3 is a schematic view of the internal structure of the case;
fig. 4 is a schematic view of a connection structure of the case.
Detailed Description
The specific structure of the swing-type noise-reducing multidirectional displacement telescopic device provided by the present invention is further described in detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses multidirectional telescoping device that shifts of making an uproar falls in formula of swaing includes fixed fishback 1, activity fishback 2 and waterproof rubber board 3, is provided with below the rear end of activity fishback 2 and shifts space layer 4, is provided with box 5 below the space layer 4 that shifts, and box 5 is connected with activity fishback 2 through bolt 6, is provided with pendulum 7, well pendulum 8, lower pendulum 9 in the box 5.
As shown in fig. 2, the swing type noise-reducing multidirectional displacement telescopic device comprises a fixed comb plate 1 and a movable comb plate 2, a box body 5 is arranged below the movable comb plate 2, the box body 5 is connected with the movable comb plate 2 through a bolt 6, and an upper ball pendulum 7 is arranged in the box body 5.
As shown in fig. 3, a displacement space layer 4 is arranged below the rear end of the movable comb plate 2, a box body 5 is arranged below the displacement space layer 4, and an upper ball pendulum 7, a middle ball pendulum 8 and a lower ball pendulum 9 are arranged in the box body 5. The top surface of the upper pendulum 7 is an upper plane 10, the bottom surface is an upper concave spherical surface 11, the top surface of the middle pendulum 8 is an upper convex spherical surface 12, the bottom surface is a lower convex spherical surface 13, the top surface of the lower pendulum 9 is a lower concave spherical surface 14, the bottom surface is a lower plane 15, the upper concave spherical surface 11 is matched with the upper convex spherical surface 12, the lower convex spherical surface 13 is matched with the lower concave spherical surface 14, the bottom surface of the upper pendulum 7 is provided with an upper stainless steel spherical sliding plate 16, the top surface of the middle pendulum 8 is provided with an upper modified ultra-high molecular polytetrafluoroethylene spherical sliding plate 17 and an upper vibration and noise reduction layer 18, the bottom surface of the middle pendulum 8 is provided with a lower vibration and noise reduction layer 19 and a lower modified ultra-high molecular polytetrafluoroethylene spherical sliding plate 20, the top.
As shown in fig. 4, a displacement space layer 4 is arranged below the rear end of the movable comb plate 2, a box body 5 is arranged below the displacement space layer 4, and the box body 5 is connected with the movable comb plate 2 through a bolt 6.
The utility model provides a multidirectional telescoping device that shifts of making an uproar falls in formula that sways is provided with the space layer 4 that shifts below the rear end of activity fishback 2, and the space layer 4 that shifts adopts rubber slab or other flexible material board, and the space layer 4 that shifts makes activity fishback 2 have the space that shifts from top to bottom, satisfies vertical corner demand. A box body 5 is arranged below the deflection space layer 4, the box body 5 is connected with the movable comb plate 2 through a bolt 6, and an upper ball pendulum 7, a middle ball pendulum 8 and a lower ball pendulum 9 are arranged in the box body 5. An upper stainless steel spherical sliding plate 16 is arranged on the bottom surface of the upper pendulum 7, an upper modified ultra-high molecular polytetrafluoroethylene spherical sliding plate 17 and an upper shock absorption and noise reduction layer 18 are arranged on the top surface of the middle pendulum 8, a lower shock absorption and noise reduction layer 19 and a lower modified ultra-high molecular polytetrafluoroethylene spherical sliding plate 20 are arranged on the bottom surface of the middle pendulum 8, and a lower stainless steel spherical sliding plate 21 is arranged on the top surface of the lower pendulum 9. Go up stainless steel spherical slide 16, go up modified ultra high molecular polytetrafluoroethylene spherical slide 17 and satisfy last pendulum 7, the rotation demand between well pendulum 8, stainless steel spherical slide 21 down, modified ultra high molecular polytetrafluoroethylene spherical slide 20 satisfies the rotation demand between well pendulum 8, lower pendulum 9 down, the better bigger space that satisfies activity fishback 2 shifts, go up vibration and noise reduction layer 18, lower vibration and noise reduction layer 19 and the space layer 4 that shifts, the common noise reduction of polymer sound absorbing material body 22.
The utility model provides a multidirectional telescoping device that shifts that falls of formula of swaing is not only limited to above-mentioned structure, the all is in the utility model discloses any modification, equivalent replacement and improvement etc. of doing on the basis all should contain within the protection scope of the utility model.

Claims (2)

1. Multidirectional telescoping device that shifts of making an uproar falls in formula of swaing, including fixed fishback, activity fishback and waterproof rubber board, its characterized in that: the improved structure of the movable comb plate is characterized in that a displacement space layer is arranged below the rear end of the movable comb plate, a box body is arranged below the displacement space layer, the box body is connected with the movable comb plate through bolts, an upper spherical pendulum, a middle spherical pendulum and a lower spherical pendulum are arranged in the box body, the top surface of the upper spherical pendulum is an upper plane, the bottom surface of the upper spherical pendulum is an upper concave spherical surface, the bottom surface of the middle spherical pendulum is a lower convex spherical surface, the top surface of the lower spherical pendulum is a lower concave spherical surface, the bottom surface of the lower spherical pendulum is a lower plane, the upper concave spherical surface is matched with the upper convex spherical surface, the lower convex spherical surface is matched with the lower concave spherical surface, the bottom surface of the upper spherical pendulum is provided with an upper stainless steel spherical sliding plate, the top surface of the middle spherical pendulum is provided with an upper modified ultra-high-molecular polytetrafluoroethylene spherical.
2. The rocking noise-reducing multidirectional displacement telescopic device as claimed in claim 1, wherein: the box body is internally provided with a high polymer sound absorption material body.
CN202022123843.4U 2020-09-25 2020-09-25 Swinging type noise-reducing multidirectional displacement telescopic device Active CN213358314U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022123843.4U CN213358314U (en) 2020-09-25 2020-09-25 Swinging type noise-reducing multidirectional displacement telescopic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022123843.4U CN213358314U (en) 2020-09-25 2020-09-25 Swinging type noise-reducing multidirectional displacement telescopic device

Publications (1)

Publication Number Publication Date
CN213358314U true CN213358314U (en) 2021-06-04

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Application Number Title Priority Date Filing Date
CN202022123843.4U Active CN213358314U (en) 2020-09-25 2020-09-25 Swinging type noise-reducing multidirectional displacement telescopic device

Country Status (1)

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CN (1) CN213358314U (en)

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