CN213740404U - Airport concrete pavement false seam dowel bar - Google Patents
Airport concrete pavement false seam dowel bar Download PDFInfo
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- CN213740404U CN213740404U CN202022385843.1U CN202022385843U CN213740404U CN 213740404 U CN213740404 U CN 213740404U CN 202022385843 U CN202022385843 U CN 202022385843U CN 213740404 U CN213740404 U CN 213740404U
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- concrete pavement
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Abstract
The utility model discloses an airport concrete pavement false seam dowel bar, which comprises a dowel bar main body, wherein a fixing pad is fixed at the bottom of the dowel bar main body, a supporting mechanism is connected to the bottom of the fixing pad, a fixing plate is fixed at the bottom of the supporting mechanism, and a protective sleeve is arranged outside the dowel bar main body; the utility model can drive the supporting sleeve at one end of the fixed rod to be clamped outside the dowel main body through the arrangement of the supporting mechanism, and the outer shell is fixedly connected with the fixed plate through welding, so that the outer side of the dowel main body can be supported when the dowel main body is placed, the dowel main body is prevented from being directly placed on the ground, and the use process is simple; the utility model discloses can be through the setting of protective sheath, completion that can be convenient is fixed to the adapter sleeve to when the dowel steel main part is installed, the adapter sleeve can be protected in the outside at connection position, has prolonged the life of this device.
Description
Technical Field
The utility model belongs to the technical field of the dowel steel, concretely relates to airport concrete pavement false joint dowel steel.
Background
The scale of newly built and expanded civil aviation airports is continuously increased, the airport construction technology and requirements are also improved, the design and construction method of the concrete pavement are more and more advanced and practical, in order to ensure the use quality and the service life of the pavement, when the airport is newly built or rebuilt in China, a dowel bar is often added at the end part of a road surface or a false joint of the road surface at a bad position of a foundation to effectively transmit load, the dowel bar can increase the stress transmission between adjacent concrete blocks so as to prevent the uneven settlement of the concrete road surface caused by the large local stress of the concrete road surface, the stress is transmitted to cause the adjacent concrete blocks to bear the force together, and the existing dowel bar is used, when the dowel bar is placed on the ground, the dowel bar is in direct contact with the ground, is easy to deform due to impact and can be corroded, and the problem of influencing normal use exists, so that the dowel bar is provided for the airport concrete pavement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an airport concrete pavement false joint dowel steel to solve the current dowel steel that proposes in the above-mentioned background art in the use, place direct and ground contact when ground, be out of shape because of the striking easily, still can take place the corrosion, have the problem that influences normal use.
In order to achieve the above object, the utility model provides a following technical scheme: a false seam dowel bar of an airport concrete pavement comprises a dowel bar main body, wherein a fixing pad is fixed at the bottom of the dowel bar main body, a supporting mechanism is connected to the bottom of the fixing pad, a fixing plate is fixed at the bottom of the supporting mechanism, and a protective sleeve is arranged on the outer side of the dowel bar main body;
the supporting mechanism comprises an outer shell, the inner portion of the outer shell is movably connected with a movable rod extending to the outer side, a handle block is fixed at one end of the movable rod, a connecting plate is fixed at the other end of the movable rod, a fixed rod is connected to the other side of the connecting plate, a supporting sleeve is fixed at the other end of the fixed rod, and an extrusion spring is connected to the outer side of the connecting plate.
Preferably, the protective sheath includes the adapter sleeve, the standing groove has been seted up to the inside of adapter sleeve, the inside threaded connection of adapter sleeve has the threaded rod that extends to the outside, the one end of threaded rod is fixed with handle cover, the other end of threaded rod is fixed with the dead piece of lock, the mounting groove has been seted up to the inside of adapter sleeve.
Preferably, the outer side of the handle sleeve is provided with anti-slip lines.
Preferably, the two ends of the connecting plate are both fixed with sliding blocks, and a sliding groove is formed in the outer shell.
Preferably, one side of the support sleeve is attached to the outer side of the fixing pad, and the fixing pad is fixedly connected with the dowel bar main body through welding.
Preferably, one end of the extrusion spring is fixedly connected with the connecting plate, and the other end of the extrusion spring is fixedly connected with the outer shell.
Preferably, the movable rod is fixedly connected with the handle block through a bolt, and a diagonal line is arranged on the outer side of the handle block.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses can pass through supporting mechanism's setting, can drive the support cover of dead lever one end and press from both sides tightly in the outside of dowel steel main part, and the shell body passes through welding and fixed plate fixed connection, can support the outside of dowel steel main part when the dowel steel main part is placed, avoids the dowel steel main part to directly place on ground, and the use is comparatively simple and convenient.
(2) The utility model discloses can be through the setting of protective sheath, completion that can be convenient is fixed to the adapter sleeve to when the dowel steel main part is installed, the adapter sleeve can be protected in the outside at connection position, has prolonged the life of this device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the supporting mechanism of the present invention;
FIG. 3 is a schematic view of the protective sheath of the present invention;
in the figure: 1. a dowel bar body; 2. a fixing pad; 3. a support mechanism; 31. an outer housing; 32. a movable rod; 33. a handle block; 34. a connecting plate; 35. fixing the rod; 36. a support sleeve; 37. a compression spring; 4. a fixing plate; 5. a protective sleeve; 51. connecting sleeves; 52. a placement groove; 53. a threaded rod; 54. a handle sleeve; 55. locking the block; 56. and (4) mounting the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a false seam dowel bar of an airport concrete pavement comprises a dowel bar main body 1, wherein a fixing pad 2 is fixed at the bottom of the dowel bar main body 1, a supporting mechanism 3 is connected to the bottom of the fixing pad 2, a fixing plate 4 is fixed at the bottom of the supporting mechanism 3, and a protective sleeve 5 is arranged on the outer side of the dowel bar main body 1;
the supporting mechanism 3 comprises an outer shell 31, the inner part of the outer shell 31 is movably connected with a movable rod 32 extending to the outside, one end of the movable rod 32 is fixed with a handle block 33, the other end of the movable rod 32 is fixed with a connecting plate 34, the other side of the connecting plate 34 is connected with a fixed rod 35, the other end of the fixed rod 35 is fixed with a supporting sleeve 36, the outer side of the connecting plate 34 is connected with an extrusion spring 37, the supporting mechanism 3 can be arranged, when the dowel bar is placed, the extrusion spring 37 provides elastic force to push the connecting plate 34 to move horizontally, at the moment, the fixed rod 35 at the other side of the connecting plate 34 can move together and drive the supporting sleeve 36 at the other end of the fixed rod 35 to be clamped at the outer side of the dowel bar main body 1, the outer shell 31 is fixedly connected with the fixed plate 4 through welding, the outer side of the dowel bar main body 1 can be supported when the dowel bar main body 1 is placed, and the dowel bar main body 1 is prevented from being directly placed on the ground, the use process is simple and convenient.
In this embodiment, preferably, the protective sleeve 5 includes a connecting sleeve 51, a placing groove 52 is formed inside the connecting sleeve 51, a threaded rod 53 extending to the outside is connected to the inside of the connecting sleeve 51 in a threaded manner, a handle sleeve 54 is fixed to one end of the threaded rod 53, a locking block 55 is fixed to the other end of the threaded rod 53, a mounting groove 56 is formed inside the connecting sleeve 51, and by setting the protective sleeve 5, because the dowel bar main body 1 is long and one end of the dowel bar main body is fixed in a side plate, a user can sleeve the protective sleeve 5 on the outer side of the dowel bar main body 1, the threaded rod 53 is driven to rotate by screwing the handle sleeve 54, at the moment, the locking block 55 at one end of the threaded rod 53 can be screwed into the inner part of the dowel bar body 1, therefore, the connecting sleeve 51 is conveniently fixed, and when the dowel bar main body 1 is installed, the connecting sleeve 51 can be protected outside the connecting part, so that the service life of the device is prolonged.
In this embodiment, the outer side of the handle cover 54 is preferably provided with an anti-slip pattern.
In this embodiment, preferably, the two ends of the connecting plate 34 are both fixed with sliders, and the inside of the outer shell 31 is provided with a sliding slot.
In this embodiment, preferably, one side of the support sleeve 36 is attached to the outer side of the fixing pad 2, and the fixing pad 2 is fixedly connected to the dowel bar body 1 by welding.
In this embodiment, preferably, one end of the pressing spring 37 is fixedly connected to the connecting plate 34, and the other end of the pressing spring 37 is fixedly connected to the outer housing 31.
In this embodiment, the movable rod 32 is preferably fixedly connected to the handle block 33 by a bolt, and the outside of the handle block 33 is provided with a diagonal line.
The utility model discloses a theory of operation and use flow: when the device is used, the supporting mechanism 3 can be arranged, when the dowel bar is placed, the extrusion spring 37 provides elasticity, the connecting plate 34 can be pushed to move in the horizontal direction, the fixing rod 35 on the other side of the connecting plate 34 can move together, the supporting sleeve 36 on the other end of the fixing rod 35 is driven to be clamped on the outer side of the dowel bar main body 1, the outer shell 31 is fixedly connected with the fixing plate 4 through welding, the outer side of the dowel bar main body 1 can be supported when the dowel bar main body 1 is placed, the dowel bar main body 1 is prevented from being directly placed on the ground, and the use process is simple; can be through the setting of protective sheath 5, because dowel steel main part 1's length is longer, and one end is fixed in a curb plate, the user can overlap protective sheath 5 in the outside of dowel steel main part 1, and it is rotatory to drive threaded rod 53 through the mode of twisting handle 54, the inside of dowel steel main part 1 can be twisted into to the lock piece 55 of threaded rod 53 one end this moment, thereby convenient completion is fixed adapter sleeve 51, and when dowel steel main part 1 was installed, adapter sleeve 51 can be protected in the outside at connection position, the service life of this device has been prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an airport concrete pavement false joint dowel bar, includes dowel bar main part (1), the bottom of dowel bar main part (1) is fixed with fixed bolster (2), its characterized in that: the bottom of the fixed pad (2) is connected with a supporting mechanism (3), the bottom of the supporting mechanism (3) is fixed with a fixed plate (4), and the outer side of the dowel bar main body (1) is provided with a protective sleeve (5);
supporting mechanism (3) include shell body (31), the inside swing joint of shell body (31) has movable rod (32) that extends to the outside, the one end of movable rod (32) is fixed with handle piece (33), the other end of movable rod (32) is fixed with connecting plate (34), the opposite side of connecting plate (34) is connected with dead lever (35), the other end of dead lever (35) is fixed with supports cover (36), the outside of connecting plate (34) is connected with extrusion spring (37).
2. The airport concrete pavement false joint dowel bar of claim 1, wherein: protective sheath (5) are including adapter sleeve (51), standing groove (52) have been seted up to the inside of adapter sleeve (51), the inside threaded connection of adapter sleeve (51) has threaded rod (53) that extend to the outside, the one end of threaded rod (53) is fixed with handle cover (54), the other end of threaded rod (53) is fixed with locking piece (55), mounting groove (56) have been seted up to the inside of adapter sleeve (51).
3. The airport concrete pavement false joint dowel bar of claim 2, wherein: the outer side of the handle sleeve (54) is provided with anti-skid lines.
4. The airport concrete pavement false joint dowel bar of claim 1, wherein: the two ends of the connecting plate (34) are both fixed with sliding blocks, and a sliding groove is formed in the outer shell (31).
5. The airport concrete pavement false joint dowel bar of claim 1, wherein: one side of the support sleeve (36) is attached to the outer side of the fixing pad (2), and the fixing pad (2) is fixedly connected with the dowel bar main body (1) through welding.
6. The airport concrete pavement false joint dowel bar of claim 1, wherein: one end of the extrusion spring (37) is fixedly connected with the connecting plate (34), and the other end of the extrusion spring (37) is fixedly connected with the outer shell (31).
7. The airport concrete pavement false joint dowel bar of claim 1, wherein: the movable rod (32) is fixedly connected with the handle block (33) through a bolt, and the outer side of the handle block (33) is provided with a cross grain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022385843.1U CN213740404U (en) | 2020-10-23 | 2020-10-23 | Airport concrete pavement false seam dowel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022385843.1U CN213740404U (en) | 2020-10-23 | 2020-10-23 | Airport concrete pavement false seam dowel bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213740404U true CN213740404U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022385843.1U Active CN213740404U (en) | 2020-10-23 | 2020-10-23 | Airport concrete pavement false seam dowel bar |
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| CN (1) | CN213740404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164738A (en) * | 2021-12-31 | 2022-03-11 | 武汉市市政建设集团有限公司 | Vibration press-in type dowel bar mounting device |
-
2020
- 2020-10-23 CN CN202022385843.1U patent/CN213740404U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164738A (en) * | 2021-12-31 | 2022-03-11 | 武汉市市政建设集团有限公司 | Vibration press-in type dowel bar mounting device |
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