CN116335029A - Combined cable saddle grating leveling device and leveling method - Google Patents
Combined cable saddle grating leveling device and leveling method Download PDFInfo
- Publication number
- CN116335029A CN116335029A CN202310461236.4A CN202310461236A CN116335029A CN 116335029 A CN116335029 A CN 116335029A CN 202310461236 A CN202310461236 A CN 202310461236A CN 116335029 A CN116335029 A CN 116335029A
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- adjusting
- grid
- wedge
- grille
- plane
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/02—Suspension bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to the technical field of civil engineering, in particular to a leveling device and a leveling method for a combined cable saddle grid, wherein the leveling device comprises wedge blocks and an adjusting seat; and the wedge-shaped block moves along the inclined plane direction of the wedge-shaped block to drive the grille to be close to/far away from the adjusting seat, and the upper surface of the supporting grille is in a flat state. Aim at is through this regulation structure through mutually supporting between wedge and the adjustment seat, remove along the inclined plane direction through the wedge to drive the grid fine setting, and then guarantee that the upper surface of grid is in the horizontality, satisfy follow-up construction demand.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a suspension bridge grid adjusting mechanism.
Background
The main cable saddle is used as an important structural member for supporting the main cable and turning the main cable, a grating is usually arranged at the lower part of the main cable saddle, the main effect of the grating is to provide a flat foundation plane for the main cable saddle, so that the vertical pressure of the main cable can be uniformly transmitted to foundation concrete through the grating, good contact effect between the grating and the cable saddle is required for ensuring uniform force transmission, and the cable saddle is high in structural rigidity and difficult to deform, and the flatness of the bottom plane is good, so that the upper surface of the grating corresponding to the cable saddle is required to have higher flatness. The key factors affecting the flatness of the upper surface of the grille are mainly as follows: firstly, leveling and positioning fixing reliability of the grid at the top of the tower and leveling precision of the grid top plane before concrete pouring, and secondly, generating certain deformation of the grid caused by shrinkage creep and concrete hydration heat after concrete pouring. If the grid is adjusted and fixed firmly, the influence of the second factor on the structural deformation can be reduced.
The current grid installation process is generally: the notch of the installation grid is reserved at the top of the tower, then the grid is hoisted to the notch, the grid is subjected to flatness adjustment by adopting a jack, then the grid is welded and fixed with the foundation steel bars, and then the jack is dismantled. In the process, firstly, the leveling precision of the jack is insufficient, and secondly, the integrity of the grid is changed due to the influence of welding stress in the processes of welding and fixing the grid and dismantling the jack.
Therefore, an adjusting mechanism is urgently needed to be designed, the grid at the top of the tower can be leveled, and the grid can be firmly fixed after leveling, so that grid deformation caused by shrinkage creep and hydration heat of concrete is reduced.
Disclosure of Invention
The invention provides a suspension bridge grid adjusting mechanism and a leveling method, which aim to solve the problems that the accuracy is not adjusted in place in the mounting process of the upper surface of a grid, the flatness is not enough and is reduced due to the fact that the fixing is not easy, and the upper surface of the grid is uneven.
The technical scheme adopted by the invention is as follows:
a combined cable saddle grating leveling device comprises a wedge block and an adjusting seat; and the wedge-shaped block moves along the inclined plane direction of the wedge-shaped block to drive the grille to be close to/far away from the adjusting seat, and the upper surface of the supporting grille is in a flat state.
Preferably, the inclined plane of the wedge block is matched with the adjusting seat, an adjusting plate is arranged on the plane of the wedge block opposite to the inclined plane, the adjusting plate and the grille are kept relatively fixed, and the wedge block moves relative to the adjusting seat along the direction of the inclined plane and then drives the grille to be close to/far away from the adjusting seat.
Preferably, the adjusting seat is provided with an adjusting bolt, the adjusting bolt is in threaded connection with the adjusting seat, the end face of the adjusting bolt is in contact with the wedge block, and the wedge block is pushed to move after the adjusting bolt is screwed.
Preferably, the adjusting plate is provided with a fixing bolt, and the fixing bolt penetrates through the adjusting plate and the wedge block to be fixedly connected with the adjusting seat.
Preferably, the adjusting plate is provided with a light hole, the adjusting seat is provided with a threaded hole, the light hole is correspondingly arranged with the threaded hole, and the fixing bolt penetrates through the light hole to be in threaded connection with the threaded hole; the wedge is provided with a strip hole, the strip hole is a through hole, and the fixing bolt penetrates through the strip hole and is in threaded connection with the threaded hole on the adjusting seat.
Preferably, the adjusting seat is arranged on the embedded bracket, and the other end of the embedded bracket is fixedly connected to the embedded position.
The invention also provides a leveling method for the combined cable saddle grating, which comprises the following steps:
s1: coarse positioning of a grid plane: according to the design position and the design height, a fixing frame is placed, an embedded steel plate is connected below the fixing frame, and an adjusting mechanism is connected to the fixing frame to keep the stability of the adjusting mechanism; the adjusting mechanism is connected with the adjusting plate, so that the upper surface of the adjusting plate is contacted with the lower side surface of the upper plane of the grille, and the adjusting plate is fixedly connected with the grille;
s2: fine positioning of the upper plane of the grille: the adjusting mechanism is used for driving the adjusting plate to move towards a direction close to the upper plane of the grille or away from the upper plane of the grille, and the adjusting plate pushes/pulls the upper plane of the grille so as to keep the upper plane of the grille to meet the design requirement of flatness.
Preferably, before step S1, the grid is further required to be assembled in a trial manner, which specifically includes: before the grid leaves the factory, set up the high cushion of a plurality of contour on the lower surface of grid, adjust the height of a plurality of contour cushion respectively for the plane degree of the upper plane of grid reaches the design requirement.
Preferably, in step S1, the adjusting plate is fixedly connected with the grille, and the fixed connection mode is spot welding; the connection mode of the adjusting mechanism and the fixing frame is welding and fixing.
Preferably, in step S2, the adjusting mechanism is adjusted to make the adjusting mechanism drive the adjusting plate to move towards the direction close to the grille or away from the grille, and the specific method is as follows: manually screwing a bolt on the adjusting mechanism to enable the bolt to push a wedge block on the adjusting mechanism to move; along with the larger size of the wedge block moving to a position close to the adjusting plate, the wedge block drives the adjusting plate to move towards the position of the upper plane of the grille, so that the upper plane of the grille is driven to move towards the whole horizontal plane of the grille.
The invention has the advantages that:
1) The method comprises the steps of carrying out a first treatment on the surface of the Through the position of adjustment wedge, can make the wedge remove along its inclined plane, at the in-process of removal, the distance about the adjustment to make the wedge promote the lower surface of grid, or make the wedge drive the lower surface that the regulating plate promoted the grid, thereby promote the whole upper surface that makes the grid in the horizontality that makes the grid, satisfy follow-up construction demand, simultaneously through this aspect can be fast accurate leveling the grid.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a side view.
In the figure: 1-adjusting plate; 3-grating; 4-wedge blocks; 5-adjusting seat; 6-adjusting bolts; 7-embedding a bracket; 8-fixing bolts; 9-elongated holes.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1-2, the suspension bridge grid adjusting mechanism comprises a wedge block 4 and an adjusting seat 5, wherein the wedge block 4 is arranged on the adjusting seat 5, and the inclined surface of the wedge block 4 is contacted with the adjusting seat 5; by moving the wedge-shaped block 4 along the inclined plane direction of the wedge-shaped block 4, the grid 3 is driven to approach/depart from the adjusting seat 5, and the upper surface of the supporting grid 3 is in a flat state. That is, the wedge-shaped block 4 is formed by an inclined plane and a plane opposite to the inclined plane, the section of the wedge-shaped block 4 is trapezoid, the wedge-shaped block 4 is arranged below the lower surface of the grating 3, when the wedge-shaped block 4 moves along the inclined plane, the plane opposite to the inclined plane contacts with the lower surface of the grating 3, and in the process of moving the wedge-shaped block 4, the wedge-shaped block 4 pushes the lower surface of the grating 3, and when the wedge-shaped block 4 continues to move, the grating 3 is pushed to slightly move upwards, so that the upper surface of the grating 3 is ensured to be flat.
The situation without the adjusting plate 1 is suitable for the situation that the holes on the grille 3 are smaller, the grille 3 can be pushed through the wedge-shaped block 4 without the need of a larger adjusting plate 1.
For the case that the holes on the grid 3 are large, an adjusting plate 1 is usually required to be additionally arranged, the grid 3 is pushed through the adjusting plate 1, specifically, the inclined surface of the wedge block 4 is matched with the adjusting seat 5, the adjusting plate 1 is arranged on the plane of the wedge block 4 opposite to the inclined surface, the wedge block 4 can move relative to the adjusting plate 1 in the adjusting process, the adjusting plate 1 and the grid 3 are kept relatively fixed, in the embodiment, welding can be adopted between the adjusting plate 1 and the grid 3, so that stability between the adjusting plate 1 and the grid 3 is kept, and the wedge block 4 moves relative to the adjusting seat 5 along the direction of the inclined surface and then drives the grid 3 to be close to/far away from the adjusting seat 5; due to the fixed connection between the adjusting plate 1 and the grille 3, when the thinner position on the wedge-shaped block 4 acts on the adjusting plate 1, the grille 3 moves towards the direction approaching the adjusting seat 5, and when the thicker position on the wedge-shaped block 4 acts on the adjusting plate 1, the grille 3 moves towards the direction departing from the adjusting seat 5.
The adjusting seat 5 is provided with an adjusting bolt 6, the adjusting bolt 6 is in threaded connection with the adjusting seat 5, the end face of the adjusting bolt 6 is in contact with the wedge-shaped block 4, and the wedge-shaped block 4 is pushed to move after the adjusting bolt 6 is screwed. It will be appreciated that when the adjusting bolt 6 is screwed such that the end face of the adjusting bolt 6 moves in the direction of the wedge 4, the adjusting bolt 6 pushes the thicker end of the wedge 4 such that the thicker position of the wedge 4 acts on the adjusting plate 1, thereby pushing the lower surface of the grille 3; when the adjusting bolt 6 is screwed, the end face of the adjusting bolt 6 moves in a direction away from the wedge block 4, and the thinner end of the wedge block 4 is knocked or pushed, so that the thinner position of the wedge block 4 acts on the adjusting plate 1.
The adjusting plate 1 is provided with a fixing bolt 8, and the fixing bolt 8 penetrates through the adjusting plate 1 and the wedge block 4 to be fixedly connected with the adjusting seat 5. After the wedge-shaped block 4, the adjusting plate 1 and the adjusting seat 5 are installed, the fixing bolt 8 is screwed, so that the fixing bolt 8 is stably connected with the adjusting seat 5, and the stability of the adjusting seat 5 is ensured; the fixing bolt 8 can also pass the regulating plate 1 and directly be connected with the regulating seat 5 fixedly, and the wedge block 4 sets up between regulating plate 1 and regulating seat 5, is located the side of fixing bolt 8, when adjusting wedge block 4, can not make between wedge block 4 and the fixing bolt 8 produce the interference.
When the fixing bolt 8 passes through the adjusting plate 1 and the wedge block 4 to be fixedly connected with the adjusting seat 5, a light hole is formed in the adjusting plate 1, a threaded hole is formed in the adjusting seat 5, the light hole is correspondingly formed in the threaded hole, and the fixing bolt 8 passes through the light hole to be in threaded connection with the threaded hole; the wedge 4 is provided with a strip hole 9, the strip hole 9 is a through hole, and the fixing bolt 8 penetrates through the strip hole 9 to be in threaded connection with a threaded hole on the adjusting seat 5. Since the length direction of the long hole 9 is the moving direction of the wedge block 4, that is, when the wedge block 4 moves along the inclined plane, the fixing bolt 8 can be changed to a position relative to the length direction of the long hole 9, thereby ensuring that the fixing bolt 8 does not affect the movement of the wedge block 4.
The adjusting seat 5 is arranged on the embedded bracket 7, and the other end of the embedded bracket 7 is fixedly connected to the embedded position. The adjusting seat 5 is fixedly connected with the embedded bracket 7, so that the stability of the adjusting seat 5 in adjusting the wedge-shaped block 4 is ensured.
The specific working mode is as follows: according to the design point, pre-buried support 7, pre-buried after pre-buried support 7 is connected in proper order, adjust seat 5, wedge 4 and adjusting bolt 6, wait to continue the construction time, place pre-buried position with grid 3, and place adjusting plate 1 (or do not place adjusting plate 1 according to actual construction demand) below grid 3, spot welding adjusting plate 1 and the lower surface department of grid 3, make fixed connection between grid 3 and the adjusting plate 1, according to the actual demand of construction, twist adjusting bolt 6, make adjusting bolt 6 promote adjusting plate 1 to move towards the direction of keeping away from adjust seat 5, make adjusting plate 1 promote grid 3, and then guarantee that the upper surface of grid 3 is in the horizontality, after waiting to adjust to level, place fixing bolt 8 from the top down, and twist fixing bolt 8, guarantee the stability of whole adjustment mechanism, carry out follow-up pouring again.
Example 2
Based on the above embodiment 1, the present embodiment provides a leveling method for a combined cable saddle grid, including the following steps:
s1: coarse positioning of a grid plane: according to the design position and the design height, a fixing frame is placed, an embedded steel plate is connected below the fixing frame, and an adjusting mechanism is connected to the fixing frame to keep the stability of the adjusting mechanism; the adjusting mechanism is connected with the adjusting plate, so that the upper surface of the adjusting plate is contacted with the lower side surface of the upper plane of the grille, and the adjusting plate is fixedly connected with the grille;
s2: fine positioning of the upper plane of the grille: the adjusting mechanism is used for driving the adjusting plate to move towards a direction close to the upper plane of the grille or away from the upper plane of the grille, and the adjusting plate pushes/pulls the upper plane of the grille so as to keep the upper plane of the grille to meet the design requirement of flatness.
Before the step S1, the grid is also required to be assembled in a trial mode, and the specific method comprises the following steps: before the grid leaves the factory, set up the high cushion of a plurality of contour on the lower surface of grid, adjust the height of a plurality of contour cushion respectively for the plane degree of the upper plane of grid reaches the design requirement.
In the step S1, the adjusting plate is fixedly connected with the grille in a spot welding mode; the connection mode of the adjusting mechanism and the fixing frame is welding and fixing.
In step S2, the adjusting mechanism is adjusted to make the adjusting mechanism drive the adjusting plate to move towards the direction close to the grille or away from the grille, and the specific method is as follows: manually screwing a bolt on the adjusting mechanism to enable the bolt to push a wedge block on the adjusting mechanism to move; along with the larger size of the wedge block moving to a position close to the adjusting plate, the wedge block drives the adjusting plate to move towards the position of the upper plane of the grille, so that the upper plane of the grille is driven to move towards the whole horizontal plane of the grille.
The above-described embodiments are preferred embodiments, and it should be noted that the above-described preferred embodiments should not be construed as limiting the invention, and the scope of the invention should be defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (10)
1. The utility model provides a combination cable saddle grid levelling device which characterized in that: comprises a wedge block (4) and an adjusting seat (5); the wedge-shaped block (4) moves along the inclined plane direction of the wedge-shaped block (4) to drive the grid (3) to be close to/far away from the adjusting seat (5), and the upper surface of the supporting grid (3) is in a flat state.
2. The combination cable saddle grid leveling device according to claim 1, wherein: the inclined plane of wedge (4) and adjustment seat (5) looks adaptation, set up regulating plate (1) on wedge (4) for on the plane of inclined plane, regulating plate and grid (3) keep relatively fixed, wedge (4) drive grid (3) and be close to/keep away from adjustment seat (5) after moving along inclined plane direction relative adjustment seat (5).
3. The combination cable saddle grid leveling device according to claim 2, wherein: the adjusting seat (5) is provided with an adjusting bolt (6), the adjusting bolt (6) is in threaded connection with the adjusting seat (5), the end face of the adjusting bolt (6) is in contact with the wedge-shaped block (4), and the wedge-shaped block (4) is pushed to move after the adjusting bolt (6) is screwed.
4. A modular cable saddle grid levelling device according to claim 3, characterized in that: the adjusting plate (1) is provided with a fixing bolt (8), and the fixing bolt (8) penetrates through the adjusting plate (1) and the wedge block (4) to be fixedly connected with the adjusting seat (5).
5. The combination cable saddle grid leveling device according to claim 4, wherein: the adjusting plate (1) is provided with a light hole, the adjusting seat (5) is provided with a threaded hole, the light hole is correspondingly arranged with the threaded hole, and the fixing bolt (8) penetrates through the light hole to be in threaded connection with the threaded hole; the wedge-shaped block (4) is provided with a strip hole (9), the strip hole (9) is a through hole, and the fixing bolt (8) penetrates through the strip hole (9) to be in threaded connection with a threaded hole on the adjusting seat (5).
6. The combination cable saddle grid leveling device according to claim 5, wherein: the adjusting seat (5) is arranged on the embedded support (7), and the other end of the embedded support (7) is fixedly connected to the embedded position.
7. The leveling method for the combined cable saddle grid is characterized by comprising the following steps of:
s1: coarse positioning of a grid plane: according to the design position and the design height, a fixing frame is placed, an embedded steel plate is connected below the fixing frame, and an adjusting mechanism is connected to the fixing frame to keep the stability of the adjusting mechanism; the adjusting mechanism is connected with the adjusting plate, so that the upper surface of the adjusting plate is contacted with the lower side surface of the upper plane of the grille, and the adjusting plate is fixedly connected with the grille;
s2: fine positioning of the upper plane of the grille: the adjusting mechanism is used for driving the adjusting plate to move towards a direction close to the upper plane of the grille or away from the upper plane of the grille, and the adjusting plate pushes/pulls the upper plane of the grille so as to keep the upper plane of the grille to meet the design requirement of flatness.
8. The method for leveling a combination cable saddle grid in accordance with claim 7, wherein: before the step S1, the grid is also required to be assembled in a trial mode, and the specific method comprises the following steps: before the grid leaves the factory, set up the high cushion of a plurality of contour on the lower surface of grid, adjust the height of a plurality of contour cushion respectively for the plane degree of the upper plane of grid reaches the design requirement.
9. The method for leveling a combination cable saddle grid according to claim 8, wherein: in the step S1, the adjusting plate is fixedly connected with the grille in a spot welding mode; the connection mode of the adjusting mechanism and the fixing frame is welding and fixing.
10. The method of leveling a modular cable saddle grid according to claim 9, wherein: in step S2, the adjusting mechanism is adjusted to make the adjusting mechanism drive the adjusting plate to move towards the direction close to the grille or away from the grille, and the specific method is as follows: manually screwing a bolt on the adjusting mechanism to enable the bolt to push a wedge block on the adjusting mechanism to move; along with the larger size of the wedge block moving to a position close to the adjusting plate, the wedge block drives the adjusting plate to move towards the position of the upper plane of the grille, so that the upper plane of the grille is driven to move towards the whole horizontal plane of the grille.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310461236.4A CN116335029A (en) | 2023-04-26 | 2023-04-26 | Combined cable saddle grating leveling device and leveling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310461236.4A CN116335029A (en) | 2023-04-26 | 2023-04-26 | Combined cable saddle grating leveling device and leveling method |
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| Publication Number | Publication Date |
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| CN116335029A true CN116335029A (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310461236.4A Pending CN116335029A (en) | 2023-04-26 | 2023-04-26 | Combined cable saddle grating leveling device and leveling method |
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| CN (1) | CN116335029A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118246130A (en) * | 2024-05-28 | 2024-06-25 | 中交第二公路工程局有限公司 | Rapid high-precision leveling method for flatness of cable saddle grating of suspension bridge |
-
2023
- 2023-04-26 CN CN202310461236.4A patent/CN116335029A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118246130A (en) * | 2024-05-28 | 2024-06-25 | 中交第二公路工程局有限公司 | Rapid high-precision leveling method for flatness of cable saddle grating of suspension bridge |
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