CN111809513A - Expansion joint levelness adjusting device and method - Google Patents
Expansion joint levelness adjusting device and method Download PDFInfo
- Publication number
- CN111809513A CN111809513A CN202010723667.XA CN202010723667A CN111809513A CN 111809513 A CN111809513 A CN 111809513A CN 202010723667 A CN202010723667 A CN 202010723667A CN 111809513 A CN111809513 A CN 111809513A
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- China
- Prior art keywords
- expansion joint
- levelness
- adjusting
- leveling
- hoisting mechanism
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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
- E01D19/06—Arrangement, construction or bridging of expansion joints
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
-
- 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 a device and a method for adjusting the levelness of an expansion joint, belonging to the technical field of expansion joint construction in road and bridge engineering, and comprising a hoisting mechanism and a leveling mechanism, wherein the hoisting mechanism is used for placing the expansion joint inside, and two ends of a chain block of the hoisting mechanism are respectively connected with a balance plate of the hoisting mechanism and a support frame in the leveling mechanism, so that the expansion joint is driven to move in the vertical direction; the leveling mechanisms are provided with two groups and are respectively connected with two ends of the hoisting mechanism, the leveling mechanisms comprise two leveling assemblies and are arranged on two sides of the hoisting mechanism, and the leveling assemblies can adjust the height of the supporting frame, so that two ends of the expansion joint are driven by the chain block to move to different height positions, and the levelness in the length direction is adjusted. By using the device, a chain block can be selected, so that the balance plate can be kept horizontal in the width direction during hoisting; two chain blocks can also be adopted and respectively adjusted to realize that the levelness of the balance plate in the width direction is adjustable.
Description
Technical Field
The invention relates to the technical field of expansion joint construction in road and bridge engineering, in particular to an expansion joint levelness adjusting device and method.
Background
If the plane size of the building is too long, the crack may be generated due to the thermal expansion and contraction, which may cause the generation of too large temperature stress in the structure, and in order to reduce the stress at the road surface or the bridge connection, the expansion joint is required to be installed at a certain length position of the structure. The construction precision of the expansion joint is good and bad, and the construction quality of the road or the bridge is influenced.
In the construction process, if the installation surface of the expansion joint device is uneven, the expansion joint device is not at the same elevation level with the surface layers of roads or bridges on two sides, the gap distance of the expansion joint is too large or too small, and the like, so that the phenomena of vehicle jumping and jamming are easily caused when a vehicle runs through the expansion joint device. In addition, because the construction space of the expansion joint is narrow, the construction precision is difficult to guarantee, time and labor are wasted, and the subsequent processes are not facilitated.
Through search, Chinese patent No. ZL2018219501439, the name of the invention creation is: the utility model provides an adjustable expansion joint device, the grant announcement day is 2019 8 months 27 days, and this application includes the flexible seam board of second that first flexible seam board and first flexible seam board one side set up, the equal fixed mounting in surface both sides of first flexible seam board has first connecting piece, the surface one side fixed mounting of first connecting piece has adjustment mechanism, the surface both sides equal fixed mounting of the flexible seam board of second has the second connecting piece, surface one side fixed mounting of second connecting piece has the connecting block, be provided with the screw thread bull stick between the flexible seam board of first flexible seam board and second, the connecting hole has all been seted up to four corners in inside of first connecting piece, adjustment mechanism's top one side is provided with the knob, one side that adjustment mechanism's inside corresponds the screw thread bull stick is provided with the thread groove. This application can make the convenient interval of adjusting of whole device. But adopt this structure only to adjust the interval, the expansion joint still has other construction requirements when the installation, and designs on the expansion joint body, probably influences the expansion joint wholeness ability, and then influences its life.
Disclosure of Invention
1. Technical problem to be solved by the invention
In order to meet the construction requirements of the levelness and the gap distance of the expansion joint and solve the problems that the construction space is small and the expansion joint is not easy to install, the invention provides the levelness adjusting device and method for the expansion joint.
2. Technical scheme
The invention relates to a levelness adjusting device for an expansion joint, which comprises a hoisting mechanism and a leveling mechanism, wherein the hoisting mechanism is used for placing the expansion joint inside and driving the expansion joint to move in the vertical direction; the leveling mechanisms are provided with two groups and are respectively connected with two ends of the hoisting mechanism, and each leveling mechanism comprises two leveling assemblies which are arranged on two sides of the hoisting mechanism.
As a further improvement of the invention, the leveling mechanism further comprises a support frame, and the support frame is spanned on the road surface at two sides of the expansion joint through two leveling components.
As a further improvement of the invention, the leveling component comprises a screw rod and a nut, the screw rod is sleeved at the bottom of two vertical beams of the support frame, and the nut moves on the screw rod and abuts against the vertical beams to control the levelness of the support frame.
As a further improvement of the invention, the hoisting mechanism comprises a chain block, and the chain block is connected with the leveling mechanism and moves in the vertical direction.
As a further improvement of the invention, the two chain blocks are arranged, one end of each chain block is connected with two ends of a balance plate of the hoisting mechanism, and the other end of each chain block is connected with a cross beam of the leveling mechanism.
As a further improvement of the invention, the hoisting mechanism further comprises a hoisting rope and a base, the base is connected with the balance plate through the hoisting rope, and the expansion joint is arranged on the base.
As a further improvement, the leveling mechanism also comprises a horizontal ruler which is placed on the expansion joint and can observe the horizontal state of the expansion joint.
As a further improvement of the invention, the adjusting device further comprises a clamping device which is C-shaped and is buckled on the expansion joint; the expansion joint comprises two boundary beams, and the clamp can adjust the distance between the two boundary beams.
The invention relates to a method for adjusting the levelness of an expansion joint, which comprises the following steps:
firstly, placing an expansion joint in a hoisting mechanism, and temporarily placing the expansion joint in a construction space;
step two, buckling the clamping device on the expansion joint and twisting the expansion joint, and adjusting the distance between the expansion joints;
step three, roughly adjusting the chain block, and adjusting the height of the expansion joint to be consistent with the road surface;
placing a horizontal ruler on the expansion joint, finely adjusting the leveling assemblies of the leveling mechanisms at the two ends, driving the hoisting mechanism to act through the support frame, observing the change of the horizontal ruler, and adjusting the levelness of the expansion joint in the length direction;
and fifthly, fine-tuning chain blocks connected with two ends of the cross beam of the support frame respectively, observing the change of the leveling instrument, and adjusting the levelness of the expansion joint in the width direction.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
(1) according to the device for adjusting the levelness of the expansion joint, the expansion joint is fed into the installation space formed in the road surface through the hoisting mechanism, so that labor is saved compared with the situation that the expansion joint is directly and manually placed, meanwhile, the expansion joint placed in the hoisting mechanism is not prone to toppling and shifting, and the subsequent adjustment of the joint distance of the expansion joint is facilitated.
(2) According to the device for adjusting the levelness of the expansion joint, the clamp is used, so that the joint distance of the expansion joint can be adjusted, a certain fixing effect on the expansion joint can be achieved, and the joint distance is guaranteed to be unchanged when the levelness is adjusted subsequently; the height of the expansion joint is adjusted by utilizing the support frame and the chain block, and the leveling component is matched with the chain block to respectively adjust the horizontal state of the expansion joint in the width direction and the length direction, so that the levelness of the expansion joint is ensured to meet the construction requirement.
(3) In addition, the levelness of the expansion joint is measured in the adjusting process, so that the levelness of the expansion joint is adjusted, the levelness of the expansion joint is in the same smooth state, and the stable running of a vehicle is ensured.
Drawings
Fig. 1 is a schematic structural view of an expansion joint levelness adjusting device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an expansion joint levelness adjustment device according to another embodiment of the present invention;
FIG. 3 is a schematic front view of the clamp of the present invention;
FIG. 4 is a schematic top view of the clamp of the present invention.
The reference numerals in the schematic drawings illustrate:
1. a chain block; 2. a support frame; 3. a balance plate; 4. a lifting rope; 5. a clamper; 6. a leveling assembly; 7. a pavement; 8. a level bar; 9. an expansion joint; 10. a base.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Example 1
Combine fig. 1, an expansion joint levelness adjusting device of this embodiment, including hoisting machine structure, leveling mechanism include support frame 2 and two leveling component 6, support frame 2 includes the crossbeam and erects the roof beam, 6 one end of leveling component is installed on road surface 7, the other end is installed in erecting the roof beam bottom, support frame 2 strides through leveling component 6 and locates on the road surface 7 of expansion joint 9 both sides. The leveling component 6 comprises a screw rod and a nut, the bottoms of two vertical beams of the support frame 2 are sleeved on the screw rod, and the nut rotates on the screw rod, is fixed and abuts against the vertical beams, so that the levelness of the support frame 2 is controlled.
Hoisting machine construct including chain block 1, balance plate 3, lifting rope 4 and base 10, the four corners of balance plate 3 and base 10 all is connected through lifting rope 4, balance plate 3 is connected with the crossbeam of support frame 2 through a chain block 1, the setting of this 1 one end of chain block is on the central line of the width direction of balance plate 3, the other end setting is on the mid point of support frame 2, balance plate 3 moves in vertical direction under chain block 1's regulation. The expansion joint 9 is placed on the base 10 and can move along with the hoisting mechanism.
In addition, the leveling mechanisms are provided with two groups which are respectively arranged at two ends of the expansion joint 9, and the leveling components 6 at the two ends can be respectively adjusted to adjust the height of the two ends of the expansion joint 9 and adjust the levelness of the expansion joint in the length direction. Leveling mechanism still include a level bar 8, this level bar 8 is placed on expansion joint 9, can observe the horizontality at expansion joint 9.
Common expansion joint 9 includes the boundary beam of two symmetry settings, and the seam distance between the both sides roof beam will influence the stationarity that the vehicle went, still is provided with binding clasp 5 among the levelness adjusting device of event this embodiment, combines fig. 2 and fig. 3, and this binding clasp 5 is the C type, detains on both sides roof beam, can adjust and fix the distance between the both sides roof beam.
When the embodiment is applied to a horizontal road surface 7, the clamp 5 can be used for adjusting and fixing the distance between two side beams of the expansion joint 9, and the expansion joint is arranged in the middle of the base 10; the height of the chain block 1 is adjusted to be consistent with that of the road surface 7, when the balance plate 3 is hoisted, the balance plate 3 is basically horizontal in the width direction because the chain block 1 is installed on the central line, and then the balance plate is horizontal in the length direction only by adjusting the leveling component 6.
Example 2
The device for adjusting the levelness of an expansion joint in this embodiment is basically the same as embodiment 1, except that: the balance plate 3 is connected with the cross beam of the support frame 2 through two chain blocks 1, one ends of the two chain blocks 1 are connected with two ends of the balance plate 3 of the hoisting mechanism, and the other ends of the two chain blocks are correspondingly connected with the cross beam of the leveling mechanism.
By adopting the adjusting device of the embodiment, the levelness of the expansion joint 9 arranged on the inclined pavement 7 can be adjusted, and the adjusting method specifically comprises the following steps:
firstly, placing an expansion joint 9 on a base 10, and temporarily placing a hoisting mechanism in a mounting groove formed in a road surface 7;
step two, buckling the clamping device 5 on the expansion joint 9 to enable the central line to be vertical to the central line of the expansion joint 9, then twisting the clamping device 5 to enable the central line to form a certain angle with the central line of the expansion joint 9, adjusting the gap distance of the expansion joint 9 to meet the design requirement and enabling the expansion joint 9 to be arranged in the middle of the base 10 under the action of torque force, and meanwhile temporarily fixing the gap distance of the expansion joint 9;
mounting leveling mechanisms on two sides of the expansion joint 9, connecting the chain block 1, and roughly adjusting the height of the expansion joint 9 to be basically consistent with the height of the road surface 7 by roughly adjusting the chain block 1;
placing a horizontal ruler 8 on the road surface 7, recording the horizontal state of the road surface 7, placing the horizontal ruler 8 on the expansion joint 9, finely adjusting the leveling assemblies 6 of the leveling mechanisms at the two ends, driving the hoisting mechanism to act through the support frame 2, observing the change of the horizontal ruler 8, and adjusting the levelness of the expansion joint 9 in the length direction;
and fifthly, finely adjusting the two chain blocks 1 connected with the cross beam of the support frame 2 respectively, observing the change of the horizontal ruler 8, and adjusting the levelness of the expansion joint 9 in the width direction to finally keep the levelness of the expansion joint 9 consistent with the levelness of the pavement 7.
The height and the levelness of the expansion joint 9 are determined through rough adjustment and fine adjustment, and are observed in real time through the level ruler 8, so that the construction accuracy is improved, in addition, the levelness of the pavement 7 is measured in the adjustment process, and the levelness of the expansion joint 9 is adjusted accordingly, so that the expansion joint and the pavement are in the same horizontal state, and the stable operation of a vehicle is ensured.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (9)
1. The utility model provides an expansion joint levelness adjusting device which characterized in that: the device comprises a hoisting mechanism and a leveling mechanism, wherein the hoisting mechanism is used for arranging the expansion joint (9) inside and driving the expansion joint (9) to move in the vertical direction; the leveling mechanisms are provided with two groups and are respectively connected with two ends of the hoisting mechanism, and each leveling mechanism comprises two leveling components (6) which are arranged on two sides of the hoisting mechanism.
2. The device for adjusting the levelness of an expansion joint of claim 1, wherein: the leveling mechanism further comprises a support frame (2), and the support frame (2) is arranged on the road surface (7) on two sides of the expansion joint (9) in a crossing mode through two leveling assemblies (6).
3. The device for adjusting the levelness of an expansion joint of claim 2, wherein: the leveling component (6) comprises a screw rod and a nut, the screw rods are sleeved at the bottoms of two vertical beams of the support frame (2), the nut moves on the screw rod and abuts against the vertical beams, and the levelness of the support frame (2) is controlled.
4. The device for adjusting the levelness of an expansion joint according to claim 3, wherein: the hoisting mechanism comprises a chain block (1), and the chain block (1) is connected with the leveling mechanism and moves in the vertical direction.
5. The device for adjusting the levelness of an expansion joint according to claim 4, wherein: the two chain blocks (1) are arranged, one ends of the two chain blocks (1) are connected to two ends of a balance plate (3) of the hoisting mechanism, and the other ends of the two chain blocks are connected with a cross beam of the leveling mechanism.
6. The device for adjusting the levelness of an expansion joint according to claim 5, wherein: the hoisting mechanism further comprises a lifting rope (4) and a base (10), the base (10) is connected with the balance plate (3) through the lifting rope (4), and the expansion joint (9) is arranged on the base (10).
7. The device for adjusting the levelness of an expansion joint according to claim 6, wherein: the leveling mechanism further comprises a horizontal ruler (8), the horizontal ruler (8) is placed on the expansion joint (9), and the horizontal state of the expansion joint (9) can be observed.
8. The device for adjusting the levelness of an expansion joint according to claim 7, wherein: the adjusting device also comprises a clamping device (5), and the clamping device (5) is C-shaped and is buckled on the expansion joint (9); the expansion joint (9) comprises two boundary beams, and the distance between the two boundary beams can be adjusted by the clamping device (5).
9. A method for adjusting the levelness of an expansion joint is characterized by comprising the following steps:
step one, placing the expansion joint (9) in a hoisting mechanism and temporarily placing the expansion joint in a construction space;
step two, buckling the clamping device (5) on the expansion joint (9) and twisting the expansion joint, and adjusting the distance between the expansion joint (9);
step three, roughly adjusting the chain block (1), and adjusting the height of the expansion joint (9) to be consistent with the height of the road surface (7);
placing a horizontal ruler (8) on the expansion joint (9), finely adjusting the leveling components (6) of the leveling mechanisms at the two ends, driving the hoisting mechanism to act through the support frame (2), observing the change of the horizontal ruler (8), and adjusting the levelness of the expansion joint (9) in the length direction;
and fifthly, fine adjustment is respectively carried out on the chain blocks (1) connected with the two ends of the cross beam of the support frame (2), the change of the leveling rod (8) is observed, and the levelness of the expansion joint (9) in the width direction is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010723667.XA CN111809513A (en) | 2020-07-24 | 2020-07-24 | Expansion joint levelness adjusting device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010723667.XA CN111809513A (en) | 2020-07-24 | 2020-07-24 | Expansion joint levelness adjusting device and method |
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| CN111809513A true CN111809513A (en) | 2020-10-23 |
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| CN202010723667.XA Pending CN111809513A (en) | 2020-07-24 | 2020-07-24 | Expansion joint levelness adjusting device and method |
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Application publication date: 20201023 |
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