CN219119704U - Integral height-adjustable sleeve - Google Patents

Integral height-adjustable sleeve Download PDF

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Publication number
CN219119704U
CN219119704U CN202223354225.6U CN202223354225U CN219119704U CN 219119704 U CN219119704 U CN 219119704U CN 202223354225 U CN202223354225 U CN 202223354225U CN 219119704 U CN219119704 U CN 219119704U
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China
Prior art keywords
supporting
vibration isolator
sleeve
overall height
height
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CN202223354225.6U
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Chinese (zh)
Inventor
张勇
马晓民
李敬东
高志升
初强
李萍
赵丹
魏国良
徐立建
刘钊
张驰
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Ikeru Track Equipment Co ltd
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Ikeru Track Equipment Co ltd
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Priority to CN202223354225.6U priority Critical patent/CN219119704U/en
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Abstract

The utility model discloses a sleeve with an adjustable overall height, which comprises a plurality of layers of supporting surfaces fixedly arranged in a cylinder body, wherein an isolator can be attached to the bottom of any layer of supporting surface, and the overall assembly height size of the sleeve and the isolator can be adjusted by adjusting the position of the specifically attached supporting surface.

Description

Integral height-adjustable sleeve
Technical Field
The utility model relates to a floating plate sleeve, in particular to a sleeve with an adjustable overall height.
Background
The steel spring or rubber spring floating slab system in the field of rail transit vibration reduction is the highest-grade vibration reduction system at present, and the floating slab system consists of a concrete slab, an outer cylinder pre-buried in the concrete slab, a vibration isolator (also called an inner sleeve) which is later arranged in an outer sleeve, a height-adjusting base plate, a locking base plate and other main key components, and the components are well matched to realize a good vibration reduction function.
In the prior art, the outer sleeve is typically provided with a jacking layer and a supporting layer, as shown in fig. 1, and when height adjustment is required, a plurality of height adjustment pads are provided between the outer sleeve supporting layer and the vibration isolator, as shown in fig. 2. When the floating slab is constructed and lifted, one piece of the backing plate is needed to be plugged in, the other piece of the backing plate is adjusted in place, the construction efficiency is low, and the cost for heightening the backing plate is high; and the installation process of the heightening backing plate is tedious, the technical level requirement of the corresponding operator is higher, and the time consumption is longer.
For the above reasons, the present inventors have made intensive studies on the existing sleeve, and have expected to design a new sleeve capable of solving the above problems.
Disclosure of Invention
In order to overcome the problems, the inventor has made intensive studies and devised a sleeve with an adjustable overall height, the device comprises a plurality of layers of supporting surfaces fixedly installed in a cylinder body, a vibration isolator can be abutted to the bottom of any layer of supporting surface, and the overall assembly height dimension of the sleeve and the vibration isolator can be adjusted by adjusting the position of the supporting surface which is specifically abutted to the bottom of any layer of supporting surface, so that the utility model is completed.
In particular, the utility model aims to provide a sleeve with adjustable overall height, which is pre-buried in a floating plate and comprises a cylinder body 1, wherein a plurality of layers of supporting surfaces 2 are arranged on the inner wall of the cylinder body 1,
a vertical channel 4 for the vibration isolator 3 to enter is arranged in the middle of the cylinder body 1,
a supporting claw 5 is provided on the vibration isolator 3,
the supporting claws 5 are abutted against the lower surface of any one layer of the supporting surface 2 by rotating the vibration isolator 3 placed in the vertical passage 4.
Wherein, the supporting surface 2 is provided with 2-10 layers.
Wherein each layer of supporting surface 2 comprises a plurality of supporting blocks 21 which are fixedly connected on the inner wall of the cylinder 1 independently of each other;
preferably, 2 to 4 support blocks 21 are included in each layer of support surface 2.
Wherein the lower surfaces of the plurality of support blocks 21 constituting the same support surface 2 are coplanar.
Wherein, the supporting blocks 21 in the two adjacent layers of supporting surfaces 2 are staggered in the vertical direction.
Wherein, the supporting blocks 21 in the adjacent supporting surfaces 2 are connected with each other, are integrally arranged like a ladder, and horizontally limit the supporting claws 5 through the connecting parts.
The utility model also provides a method for adjusting the height of the floating plate, wherein the sleeve is embedded in the floating plate, and the vibration isolator is arranged in the sleeve; the method comprises the following steps:
step a, pressing the vibration isolator 3 to enable the supporting claw 5 on the vibration isolator 3 to move downwards to be out of contact with the supporting block 21, or lifting the floating plate to enable the supporting block 21 to move upwards along with the sleeve to be out of contact with the supporting claw 5;
step b, rotating the vibration isolator 3 so that the supporting claws 5 are screwed out from below the current supporting block 21 and screwed into the lower part of the other supporting block 21;
step c, releasing the compression of the vibration isolator 3 or releasing the lifting of the floating plate, so that the top surface of the supporting claw 5 is attached to the bottom surface of the other supporting block 21 and transmits force;
step d, repeating the steps a, b and c until the vibration isolator 3 is adjusted to a desired height position.
In each floating plate, two rows of sleeves are embedded along the extending direction of the steel rail, and each row at least comprises 4 sleeves.
Wherein in step a the vibration isolator 3 is pressed by a jack cylinder pressure system or the floating plate is lifted by a jack.
Wherein mounting the sleeve to the vibration isolator comprises the steps of:
step 1, placing the vibration isolator 3 in the vertical channel 4 of the cylinder 1,
step 2, pressing the vibration isolator 3 to enable the supporting claw 5 on the vibration isolator 3 to move downwards or lift the floating plate to enable the supporting block 21 to be used to move upwards along with the sleeve until the top surface height of the supporting claw 5 is smaller than the bottom surface height of the supporting block 21 to be used;
step 3, rotating the vibration isolator 3 or the cylinder 1 so that the supporting claws 5 are screwed below the supporting blocks 21 to be used;
and 4, releasing the compression on the vibration isolator 3 or releasing the lifting on the floating plate, so that the top surface of the supporting claw 5 is attached to the bottom surface of the supporting block 21 to be used and transmits force.
The utility model has the beneficial effects that:
(1) According to the sleeve with the adjustable overall height and the height adjusting method, the installation process of the vibration isolator can be simplified, the number and the thickness of the base plates are not required to be selected according to specific working conditions, the vibration isolator can be quickly adjusted to a proper height only by rotating, the installation process is simplified, and the installation difficulty is reduced;
(2) According to the sleeve with the adjustable overall height and the height adjusting method, when the settlement and other conditions occur in a partial area, the vibration isolator is rotated to be abutted against the supporting surfaces at different height positions to adjust the supporting height of the vibration isolator, so that the adverse effects caused by the settlement and other conditions can be quickly and effectively eliminated.
Drawings
FIG. 1 shows a cross-sectional view of an outer sleeve of the prior art;
FIG. 2 is a schematic illustration of an outer sleeve addition height adjustment shim plate of the prior art;
FIG. 3 shows a schematic overall construction of an overall height-adjustable sleeve according to a preferred embodiment of the present utility model;
FIG. 4 shows a cross-sectional view of FIG. 3;
figure 5 shows a top view of the vibration isolator in the overall height adjustable sleeve without rotation in accordance with a preferred embodiment of the present utility model;
FIG. 6 shows an expanded view of section A-A of FIG. 5;
figure 7 shows a top view of the vibration isolator in the overall height adjustable sleeve in abutment against the uppermost support surface in accordance with a preferred embodiment of the present utility model;
FIG. 8 shows an expanded view of section A-A of FIG. 7;
figure 9 shows a top view of the vibration isolator in the overall height adjustable sleeve in accordance with a preferred embodiment of the present utility model abutting the 3 rd bearing surface above;
FIG. 10 shows an expanded view of section A-A of FIG. 9;
FIG. 11 is a schematic view showing the overall structure of a floating slab with a sleeve for continuously adjusting the supporting position according to a preferred embodiment of the present utility model;
fig. 12 shows a side view of fig. 11.
Reference numerals illustrate:
1-barrel
2-supporting surface
3-vibration isolator
4-vertical channel
5-support claw
21-support block
Detailed Description
The utility model is further described in detail below by means of the figures and examples. The features and advantages of the present utility model will become more apparent from the description.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
According to the sleeve with the adjustable overall height, as shown in fig. 3 and 4, the sleeve comprises a cylinder body 1, two ends of the cylinder body 1 are transparent, the cross section of the sleeve is circular or regular polygon, the sleeve can be made of metal or nonmetal materials, and the processing technology of the sleeve can adopt welding, casting, 3D printing or other technologies.
The sleeve is embedded in the floating plate, the vibration isolator is installed in the sleeve, and the bottom end of the vibration isolator extends out of the bottom of the floating plate and is abutted to the foundation, so that the sleeve and the floating plate are supported through the vibration isolator.
The inner wall of the cylinder body 1 is provided with a plurality of layers of supporting surfaces 2, and the supporting surfaces 2 can be fixed on the inner wall in a welding mode or can be integrally formed with the sleeve.
A vertical channel 4 for the vibration isolator 3 to enter is formed in the middle of the cylinder body 1, as shown in fig. 5, the cross section shape and the size of the vertical channel 4 can just allow the vibration isolator 3 to enter, and the vibration isolator 3 cannot be taken out of the vertical channel 4 after rotating for a certain angle.
The vibration isolator 3 is provided with supporting claws 5, and the number of the supporting claws 5 is required to be selected according to the structural form of the cylinder 1. In this application, the vibration isolator 3 is preferably a spring vibration isolator.
The vibration isolator 3 placed in the vertical channel 4 is rotated to enable the supporting claw 5 to be abutted against the lower surface of any layer of supporting surface 2, and when the supporting claw 5 is abutted against the lower parts of different supporting surfaces due to the different heights of different supporting surfaces 2, the total heights of the sleeve and the vibration isolator are different, so that the purpose of height adjustment is achieved.
In a preferred embodiment, the supporting surface 2 is provided with 2-10 layers, the more the number of layers is, the finer the height adjusting capability is, the more the adjustable gears are, and the design can be selected according to specific working condition requirements. A schematic of a 2-layer support surface is shown in fig. 3, and a schematic of a 10-layer support surface is shown in fig. 6.
In a preferred embodiment, each layer of support surface 2 comprises a plurality of support blocks 21, which are fastened to the inner wall of the cylinder 1 independently of each other; further, the supporting surface 2 is composed of a plurality of supporting blocks 21, and the supporting blocks 21 are separated by a certain gap and are not contacted with each other.
Preferably, each layer of the supporting surface 2 comprises 2 to 4 supporting blocks 21, and the number of the supporting blocks 21 in each layer of the supporting surface 2 is consistent with that of the supporting claws 5, so that the supporting claws 5 are in one-to-one correspondence with each supporting block 21, and when the supporting claws 5 are tightly attached to the supporting surface 2, each supporting claw 5 is tightly attached to one supporting block 21.
In a preferred embodiment, the lower surfaces of the plurality of support blocks 21 constituting the same support surface 2 are coplanar, so that the support claws 5 and the support blocks 21 can be in full close contact, the whole stress is balanced, and the force transmission is stable.
In a preferred embodiment, as shown in fig. 5, 6, 7, 8, 9 and 10, the support blocks 21 in the adjacent two layers of support surfaces 2 are staggered in the vertical direction. So that the supporting claws 5 can be rotated from just under one layer of supporting surface to just under the adjacent other layer of supporting surface by rotating by a small angle.
Preferably, the supporting blocks 21 in the adjacent supporting surfaces 2 are connected with each other, are arranged like a ladder as a whole, and horizontally limit the supporting claws 5 through the connecting parts thereof. Specifically, the number of the supporting blocks included in each layer of the supporting surface is the number of the steps, and one supporting block is taken out from each layer of the supporting surface to form a step surrounding the inner wall surface of the cylinder 1, as shown in fig. 6, 8 and 10.
In a preferred embodiment, the distance between two adjacent layers of supporting surfaces can be selected and set according to the height dimension of each jacking construction and the number of the supporting surface layers.
The utility model also provides a method for adjusting the height of the floating plate, which comprises the following steps:
the sleeve is embedded in the floating plate, and the vibration isolator is arranged in the sleeve; as shown in the illustration of figure 11 of the drawings,
step a, pressing the vibration isolator 3 to enable the supporting claw 5 on the vibration isolator 3 to move downwards and separate from contact with the supporting block 21; or the floating plate is lifted up, so that the supporting block 21 moves upwards along with the sleeve and is separated from contact with the supporting claw 5; continuing to press the vibration isolator 3 downwards or lifting the floating plate upwards until the vibration isolator 3 can rotate in the cylinder 1;
step b, rotating the vibration isolator 3 so that the supporting claws 5 are screwed out from below the current supporting block 21 and screwed into the lower part of the other supporting block 21;
step c, releasing the compression of the vibration isolator 3 or releasing the lifting of the floating plate, so that the top surface of the supporting claw 5 is attached to the bottom surface of the other supporting block 21 and transmits force;
step d, repeating step a, step b and step c until the support 3 is adjusted to the desired height position.
Preferably, in each floating plate, two rows of sleeves are embedded along the extending direction of the steel rail, and each row at least comprises 4 sleeves.
Preferably, in step a, the vibration isolator 3 is pressed by a jack hydraulic system or the floating plate is lifted by a jack.
Preferably, the mounting of the sleeve into the vibration isolator comprises the steps of:
step 1, placing the vibration isolator 3 in the vertical channel 4 of the cylinder 1,
step 2, pressing the vibration isolator 3 to enable the supporting claw 5 on the vibration isolator 3 to move downwards or lift the floating plate to enable the supporting block 21 to be used to move upwards along with the sleeve until the top surface height of the supporting claw 5 is smaller than the bottom surface height of the supporting block 21 to be used;
step 3, rotating the vibration isolator 3 or the cylinder 1 so that the supporting claws 5 are screwed below the supporting blocks 21 to be used;
and 4, releasing the compression on the vibration isolator 3 or releasing the lifting on the floating plate, so that the top surface of the supporting claw 5 is attached to the bottom surface of the supporting block 21 to be used and transmits force.
Preferably, in the present application, the support block to be used refers to a support block specifically attached to the support claw after the installation is completed according to the design height requirement.
More preferably, when the top surface of the supporting claw 5 is stuck to the bottom surface of the supporting block 21 to be used, if the overall height of the floating plate is found to be inappropriate, the vibration isolator 3 may be pressed again or the floating plate may be lifted up so that the supporting claw 5 is out of contact with the supporting block 21 above it, and if the overall height of the floating plate is too high, the supporting claw 5 is rotated below the supporting surface of the lower layer, and if the overall height of the floating plate is too low, the supporting claw 5 is rotated below the supporting surface of the higher layer.
Examples:
selecting a floating plate shown in fig. 11 and 12, which has a length of 3.6m, a width of 2.7m, a thickness of 0.33m and a weight of 7800kg, and on which 6 sleeves shown in fig. 3 and 4 are embedded;
the specific construction process of the floating slab is as follows:
placing the floating slab on a ballast bed and adjusting to a proper position;
the vibration isolator is placed in the vertical channel of the cylinder,
the hydraulic system of the jack cylinder presses the vibration isolator to enable the supporting claw on the vibration isolator to move downwards until the top surface of the supporting claw is smaller than the bottom surface of the supporting block to be used, the vibration isolator can rotate in the cylinder body,
rotating the vibration isolator so that the supporting claw is screwed below the supporting block to be used;
the compression on the vibration isolator is released, so that the top surface of the supporting claw is attached to the bottom surface of the supporting block to be used and force is transferred.
The time required to install all vibration isolators on one floating plate is 10-15 minutes,
the conventional floating plate with height adjusted by adjusting the height of the spacer plate has an average installation time of 30-50 minutes.
When the supporting effect of the empty hanging vibration isolator on the embedded sleeve in the floating slab is weakened or the supporting is lost in the ballast bed below the floating slab, the floating slab system is maintained in a mode of adjusting the supporting position of the vibration isolator, and the process of maintaining and eliminating the empty hanging is as follows:
the hydraulic system of the jack presses the vibration isolator to lead the supporting claw on the vibration isolator to move downwards and separate from contact with the supporting block,
rotating the vibration isolator to enable the supporting claw to unscrew from the lower part of the current supporting block and screw to the lower part of the supporting block at another lower position; releasing the compression on the vibration isolator to enable the top surface of the supporting claw to be attached to the bottom surface of the other supporting block and transfer force;
repeating the steps until the vibration isolator is adjusted to a desired height position, so that the bottom end of the vibration isolator is abutted against the bottom of the empty hanging area, and the top end of the vibration isolator is attached to the bottom surface of the supporting block and transfers force, thereby counteracting adverse effects caused by the empty hanging; the whole maintenance process takes 20-25 minutes/meter, and the floating plate is not required to be lifted in the maintenance process, and a height-adjusting base plate is not required to be added.
The utility model has been described above in connection with preferred embodiments, which are, however, exemplary only and for illustrative purposes. On this basis, the utility model can be subjected to various substitutions and improvements, and all fall within the protection scope of the utility model.

Claims (7)

1. A sleeve with adjustable overall height is characterized in that the sleeve is pre-buried in a floating plate and comprises a cylinder body (1), a plurality of layers of supporting surfaces (2) are arranged on the inner wall of the cylinder body (1),
a vertical channel (4) for the vibration isolator (3) to enter is arranged in the middle of the cylinder body (1),
a supporting claw (5) is arranged on the vibration isolator (3),
the vibration isolator (3) placed in the vertical channel (4) is rotated to enable the supporting claw (5) to be abutted against the lower surface of any layer of supporting surface (2).
2. The overall height-adjustable sleeve of claim 1, wherein,
the supporting surface (2) is provided with 2-10 layers.
3. The overall height-adjustable sleeve of claim 1, wherein,
each layer of supporting surface (2) comprises a plurality of supporting blocks (21) which are fixedly connected on the inner wall of the cylinder (1) independently of each other.
4. An overall height-adjustable sleeve according to claim 3, wherein,
each layer of supporting surface (2) comprises 2-4 supporting blocks (21).
5. The overall height-adjustable sleeve of claim 4, wherein,
the lower surfaces of a plurality of support blocks (21) constituting the same support surface (2) are coplanar.
6. The overall height-adjustable sleeve of claim 4, wherein,
the supporting blocks (21) in the two adjacent layers of supporting surfaces (2) are staggered in the vertical direction.
7. The overall height-adjustable sleeve of claim 4, wherein,
the supporting blocks (21) in the adjacent supporting surfaces (2) are connected with each other, are integrally arranged like a ladder, and horizontally limit the supporting claws (5) through the connecting parts.
CN202223354225.6U 2022-12-14 2022-12-14 Integral height-adjustable sleeve Active CN219119704U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223354225.6U CN219119704U (en) 2022-12-14 2022-12-14 Integral height-adjustable sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223354225.6U CN219119704U (en) 2022-12-14 2022-12-14 Integral height-adjustable sleeve

Publications (1)

Publication Number Publication Date
CN219119704U true CN219119704U (en) 2023-06-02

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ID=86525390

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223354225.6U Active CN219119704U (en) 2022-12-14 2022-12-14 Integral height-adjustable sleeve

Country Status (1)

Country Link
CN (1) CN219119704U (en)

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