CN209836775U - Steel structure convenient to replace for bridge - Google Patents
Steel structure convenient to replace for bridge Download PDFInfo
- Publication number
- CN209836775U CN209836775U CN201920261318.3U CN201920261318U CN209836775U CN 209836775 U CN209836775 U CN 209836775U CN 201920261318 U CN201920261318 U CN 201920261318U CN 209836775 U CN209836775 U CN 209836775U
- Authority
- CN
- China
- Prior art keywords
- screw
- gear
- base plate
- rod
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a bridge steel construction field discloses a change convenient steel construction for bridge, and it includes: a connecting piece and a fastening piece; the connecting piece comprises a base plate, a first screw rod and a second screw rod; the first screw and the second screw are arranged in parallel at intervals on the same side of the substrate, and are rotatably assembled on the substrate; a driving assembly for driving the first screw and the second screw to rotate is arranged at one end of the substrate back to the first screw; the first screw rod and the second screw rod respectively penetrate through the support rod and the cross rod and are in threaded connection with the fastener. The utility model discloses have the effect of being convenient for change the bracing piece.
Description
Technical Field
The utility model belongs to the technical field of the technique of bridge steel construction and specifically relates to a change convenient steel construction for bridge.
Background
Bridge refers to a building constructed for a road to cross natural or artificial obstacles. The bridge generally comprises five bridge parts and five small parts, wherein the five bridge parts refer to a bridge span upper structure and a bridge span lower structure for bearing transportation loads of automobiles or other vehicles, and guarantee the safety of the bridge structure, and the bridge comprises (1) a bridge span structure (or called a bridge opening structure, an upper structure), (2) a bridge support system, (3) piers, a bridge abutment (4) bearing platforms (5) and a well digging or pile foundation. The five small parts refer to parts directly related to bridge service functions, and are called bridge deck structures in the past, and the five small parts comprise (1) bridge deck pavement, (2) waterproof and drainage systems, (3) railings, (4) expansion joints, and (5) lighting, and large bridge auxiliary structures, bridge head forts, approach bridges and the like.
Among the prior art, the horizontal pole has been erect to the bridge top, has erect the bracing piece that is equipped with vertical setting usually between horizontal pole and the bridge, supports fixedly through the bracing piece to the horizontal pole, and the below of bracing piece generally uses the bolt to install on the bridge.
The above prior art solutions have the following drawbacks: in the actual operation process, the upper end of the supporting rod is usually fixed on the cross rod in a welding manner; when changing the bracing piece, need saw off or melt the upper end of bracing piece and just can pull down the bracing piece from the horizontal pole, be not convenient for change the bracing piece.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a convenient steel construction for bridge of change convenient to change the bracing piece.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a steel structure for a bridge convenient to replace includes: a connecting piece and a fastening piece; the connecting piece comprises a base plate, a first screw rod and a second screw rod; the first screw and the second screw are arranged in parallel at intervals on the same side of the substrate, and are rotatably assembled on the substrate; a driving assembly for driving the first screw and the second screw to rotate is arranged at one end of the substrate back to the first screw; the first screw rod and the second screw rod respectively penetrate through the support rod and the cross rod and are in threaded connection with the fastener.
By adopting the technical scheme, when the supporting rod is arranged on the cross rod, the first screw and the second screw respectively penetrate through the supporting rod and the cross rod, and then the first screw and the second screw are driven by the driving assembly to rotate and are in threaded connection with the fastener; when the supporting rod is replaced or removed, the driving assembly drives the first screw rod and the second screw rod to rotate reversely, threaded connections between the first screw rod and the fastener and between the second screw rod and the fastener are removed, and then the first screw rod and the second screw rod are respectively pulled out of the supporting rod and the cross rod; compared with the prior art, the utility model discloses an foretell settlement has reached the purpose of being convenient for change the bracing piece.
The utility model discloses further set up to: the drive assembly includes: the gear transmission mechanism comprises an installation frame, a rotating shaft, a driving gear, a first gear and a second gear; the mounting frame is covered on one side of the substrate, which is back to the first screw rod, and the mounting frame is hollow; one side of the first screw rod which is rotatably assembled penetrates through the base plate and is connected with a first gear; one side of the second screw rod which is rotatably assembled penetrates through the base plate and is connected with a second gear; the rotating shaft is rotatably assembled with the mounting frame, one end of the rotating shaft is located outside the mounting frame, the other end of the rotating shaft extends into the space between the mounting frame and the substrate and is connected with a driving gear, the driving gear is meshed with the first gear, and the driving gear is meshed with the second gear.
By adopting the technical scheme, the rotation of the rotating shaft drives the rotation of the driving gear, the rotation of the driving gear drives the rotation of the first gear and the second gear, the rotation of the first gear drives the rotation of the first screw rod, and the rotation of the second gear drives the rotation of the second screw rod.
The utility model discloses further set up to: the outer wall of the rotating assembly position of the first screw rod and the base plate and the outer wall of the rotating assembly position of the second screw rod and the base plate are provided with sliding blocks at intervals, an annular sliding groove is formed in the base plate, and the sliding groove is matched with the sliding blocks.
By adopting the technical scheme, when the first screw rod and the second screw rod rotate, the sliding block rotates in the sliding groove in the circumferential direction, and the sliding block and the sliding groove are set to be the rotating assembly among the first screw rod, the second screw rod and the base plate to establish a foundation.
The utility model discloses further set up to: the outer wall of the rotating assembly position of the rotating shaft and the mounting frame is provided with sliding blocks at intervals, the mounting frame is provided with a circular sliding groove, and the sliding groove is matched with the sliding blocks.
Through adopting above-mentioned technical scheme, when the pivot rotated, the sliding block slided in the sliding groove, and sliding block and sliding groove set for the pivot and the rotation assembly of installing frame and establish the basis.
The utility model discloses further set up to: and a triangular block is arranged between the cross rod and the supporting rod, and two sides of the triangular block are respectively attached to the cross rod and the supporting rod.
Through adopting above-mentioned technical scheme, the settlement of triangle piece is used for promoting the joint strength between horizontal pole and the bracing piece.
The utility model discloses further set up to: the side of the base plate, which is provided with the first screw rod, is also rotatably assembled with a third screw rod, one side of the third screw rod, which is rotatably assembled, penetrates through the base plate and is connected with a third gear, the third gear is meshed with the driving gear, and the third screw rod penetrates through the triangular block and is in threaded connection with the fastener.
By adopting the technical scheme, when the triangular block is fixed, the third screw penetrates through the triangular block, the driving gear rotates to drive the third gear to rotate, and the third gear rotates to drive the third screw to rotate, so that the third screw is in threaded connection with the fastener.
The utility model discloses further set up to: the vertical distance between the central axis of the third gear and the central axis of the driving gear is equal to the vertical distance between the central axis of the first gear and the central axis of the driving gear; the vertical distance between the central axis of the third gear and the central axis of the driving gear is equal to the vertical distance between the central axis of the second gear and the central axis of the driving gear.
By adopting the technical scheme, when the driving gear rotates, the first gear, the second gear and the third gear are driven to rotate at the same time, so that the screwing-in amount and the screwing-out amount of the first screw rod, the second screw rod and the third screw rod are kept consistent.
The utility model discloses further set up to: three threaded holes are formed in the fastener and are respectively used for the threaded connection of the first screw rod, the second screw rod and the third screw rod.
By adopting the technical scheme, the threaded holes are formed to establish a foundation for threaded connection among the first screw rod, the second screw rod, the third screw rod and the fastening piece.
To sum up, the utility model discloses following beneficial effect has:
when the supporting rod is arranged on the cross rod, the first screw and the second screw penetrate through the supporting rod and the cross rod respectively, and then the first screw and the second screw are driven to rotate by the driving assembly and are in threaded connection with the fastener; when the supporting rod is replaced or removed, the driving assembly drives the first screw rod and the second screw rod to rotate reversely, threaded connections between the first screw rod and the fastener and between the second screw rod and the fastener are removed, and then the first screw rod and the second screw rod are respectively pulled out of the supporting rod and the cross rod; compared with the prior art, the utility model discloses an foretell settlement has reached the purpose of being convenient for change the bracing piece.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a connection structure between a connector and a fastener.
Reference numerals: 1. a triangular block; 2. a connecting member; 21. a substrate; 22. a first screw; 23. a second screw; 24. a third screw; 31. a driving gear; 32. a first gear; 33. a second gear; 34. a third gear; 35. installing a frame; 36. a rotating shaft; 37. a handle; 4. a fastener; 5. a support bar; 6. a cross bar; 7. and (4) a sliding block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the steel structure for a bridge, which is disclosed by the present invention and is convenient to replace, includes a triangular block 1, a connecting member 2, a base plate 21, a first screw 22, a second screw 23, a third screw 24, and a fastening member 4. The triangular block 1 is in a right-angled triangle shape, and two right-angled sides of the triangle are respectively attached to the supporting rod 5 and the cross rod 6; the connecting piece 2 consists of a base plate 21, a first screw 22, a second screw 23 and a third screw 24, wherein the first screw 22, the second screw 23 and the third screw 24 are three same screws; the base plate 21 is cylindrical, and the central axis of the base plate 21 is parallel to the central axes of the first screw 22, the second screw 23 and the third screw 24; the drive assembly includes: the driving gear 31, the first gear 32, the second gear 33 and the third gear 34 are rotatably assembled with the base plate 21, one side of the first screw 22, which is rotatably assembled, penetrates through the base plate 21 and is connected with the first gear 32, one side of the second screw 23, which is rotatably assembled, penetrates through the base plate 21 and is connected with the second gear 33, one side of the third screw 24, which is rotatably assembled, penetrates through the base plate 21 and is connected with the third gear 34, and the driving gear 31 is meshed with the first gear 32, the second gear 33 and the third gear 34; the vertical distance between the central axis of the third gear 34 and the central axis of the driving gear 31 is equal to the vertical distance between the central axis of the first gear 32 and the central axis of the driving gear 31; the vertical distance between the central axis of the third gear 34 and the central axis of the driving gear 31 is equal to the vertical distance between the central axis of the second gear 33 and the central axis of the driving gear 31; the triangular block 1, the supporting rod 5 and the cross rod 6 are all provided with thread through holes in the same direction.
When the support rod 5 is fixed on the cross rod 6, the driving gear 31 is rotated, the rotation of the driving gear 31 drives the first gear 32, the second gear 33 and the third gear 34 to rotate, then the three screws are driven to rotate, and the three screws simultaneously rotate to pass through the three threaded through holes and are in threaded connection with the fastener 4 after passing through the threaded through holes; when the support rod 5 is replaced or removed, the driving gear 31 is rotated in the opposite direction to drive the three screws to remove the threaded connection with the fastening piece 4, and the screws are screwed out of the threaded through holes, so that the connection and fixation among the triangular block 1, the support rod 5 and the cross rod 6 can be removed.
As shown in fig. 1 and 2, the driving assembly further includes: a mounting frame 35, a rotating shaft 36 and a handle 37. The mounting frame 35 is rectangular, the mounting frame 35 is hollow, one end of the mounting frame 35 is open, one side of the opening of the mounting frame 35 is covered on one side of the base plate 21 on which the driving gear 31 is arranged, one end of the rotating shaft 36 is fixedly arranged on one side of the driving gear 31 opposite to the base plate 21, the other end of the rotating shaft 36 penetrates through the mounting frame 35 and is connected with the handle 37, and the rotating shaft 36 and the mounting frame 35 are rotatably assembled. The handle 37 is rotated in the forward and reverse directions, the rotation of the handle 37 drives the driving gear 31 to rotate, and the rotation of the driving gear 31 drives the three screws to rotate simultaneously.
The fastener 4 is arranged into a cylindrical plate; three threaded holes are formed in the plate and are in threaded fit with the first screw 22, the second screw 23 and the third screw 24 respectively.
The outer wall of the rotating assembly position of the first screw 22 and the base plate 21, the outer wall of the rotating assembly position of the second screw 23 and the base plate 21, and the outer wall of the rotating assembly position of the third screw 24 and the base plate 21 are provided with sliding blocks (not shown in the figure) at intervals, the base plate 21 is provided with an annular sliding groove (not shown in the figure), and the sliding groove is matched with the sliding blocks. When the first screw 22, the second screw 23 and the third screw 24 rotate, the slider slides in the slide groove.
Referring to fig. 2, the outer wall of the rotating assembly of the rotating shaft 36 and the mounting frame 35 is provided with sliding blocks 7 at intervals, the mounting frame 35 is provided with annular sliding grooves (not shown), and the sliding grooves are matched with the sliding blocks 7. When the rotating shaft 36 rotates, the sliding block 7 slides in the sliding groove.
The implementation principle of the embodiment is as follows: when the support rod 5 is fixed on the cross rod 6, the handle 37 is rotated to drive the rotating shaft 36 to rotate, the sliding block 7 slides in the sliding groove when the rotating shaft 36 rotates, the rotating shaft 36 drives the driving gear 31 to rotate, the driving gear 31 simultaneously drives the first gear 32, the second gear 33 and the third gear 34 to rotate, so as to drive the first screw 22, the second screw 23 and the third screw 24 to rotate, so that the three screws respectively screw into the support rod 5, the cross rod 6 and the triangular block 1, and are in threaded connection with threaded holes in a plate after being screwed out, so that the triangular block 1, the support rod 5 and the cross rod 6 are connected and fixed; when the support bar 5 is replaced or removed, the handle 37 is rotated in the reverse direction, so that the first screw 22, the second screw 23, and the third screw 24 are unscrewed from the plate, and then one side is unscrewed from the support bar 5, the cross bar 6, and the triangular block 1, respectively, to release the fixing of the support bar 5.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a change convenient steel construction for bridge which characterized in that includes: a connecting piece (2) and a fastener (4); the connecting piece (2) comprises a base plate (21), a first screw rod (22) and a second screw rod (23); the first screw (22) and the second screw (23) are arranged on the same side of the substrate (21) at intervals in parallel, and the first screw (22) and the second screw (23) are rotatably assembled on the substrate (21); one end of the base plate (21) back to the first screw (22) is provided with a driving component for driving the first screw (22) and the second screw (23) to rotate; the first screw rod (22) and the second screw rod (23) respectively penetrate through the support rod (5) and the cross rod (6) and are in threaded connection with the fastener (4).
2. The easy-to-replace steel structure for bridges of claim 1, wherein the driving assembly comprises: the gear transmission mechanism comprises a mounting frame (35), a rotating shaft (36), a driving gear (31), a first gear (32) and a second gear (33); the mounting frame (35) is covered on one side of the substrate (21) back to the first screw rod (22), and the mounting frame (35) is hollow; one side of the first screw (22) which is rotatably assembled penetrates through the base plate (21) and is connected with a first gear (32); one side of the second screw rod (23) which is rotatably assembled penetrates through the base plate (21) and is connected with a second gear (33); the rotating shaft (36) is rotatably assembled with the mounting frame (35), one end of the rotating shaft (36) is located outside the mounting frame (35), the other end of the rotating shaft (36) extends into a space between the mounting frame (35) and the substrate (21) and is connected with the driving gear (31), the driving gear (31) is meshed with the first gear (32), and the driving gear (31) is meshed with the second gear (33).
3. The bridge steel structure convenient to replace according to claim 1, wherein the outer wall of the rotating assembly position of the first screw (22) and the base plate (21) and the outer wall of the rotating assembly position of the second screw (23) and the base plate (21) are provided with sliding blocks at intervals, the base plate (21) is provided with a circular sliding groove, and the sliding groove is matched with the sliding blocks.
4. The bridge steel structure convenient to replace according to claim 2, wherein the sliding blocks (7) are arranged on the outer wall of the rotating assembly position of the rotating shaft (36) and the mounting frame (35) at intervals, a circular sliding groove is formed in the mounting frame (35), and the sliding groove is matched with the sliding blocks (7).
5. The bridge steel structure convenient to replace according to claim 2, wherein a triangular block (1) is arranged between the cross rod (6) and the support rod (5), and two sides of the triangular block (1) are respectively attached to the cross rod (6) and the support rod (5).
6. The steel structure for the bridge with convenient replacement according to claim 5, wherein one side of the base plate (21) provided with the first screw (22) is further rotatably assembled with a third screw (24), one side of the base plate (21) rotatably assembled with the third screw (24) penetrates through the base plate (21) and is connected with a third gear (34), the third gear (34) is meshed with the driving gear (31), and the third screw (24) penetrates through the triangular block (1) and is in threaded connection with the fastener (4).
7. The steel structure for the bridge with convenient replacement according to claim 6, wherein the vertical distance between the central axis of the third gear (34) and the central axis of the driving gear (31) is equal to the vertical distance between the central axis of the first gear (32) and the central axis of the driving gear (31); the vertical distance between the central axis of the third gear (34) and the central axis of the driving gear (31) is equal to the vertical distance between the central axis of the second gear (33) and the central axis of the driving gear (31).
8. The bridge steel structure convenient to replace according to claim 6, wherein the fastener (4) is provided with three threaded holes for the threaded connection of the first screw rod (22), the second screw rod (23) and the third screw rod (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261318.3U CN209836775U (en) | 2019-03-01 | 2019-03-01 | Steel structure convenient to replace for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261318.3U CN209836775U (en) | 2019-03-01 | 2019-03-01 | Steel structure convenient to replace for bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209836775U true CN209836775U (en) | 2019-12-24 |
Family
ID=68905061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920261318.3U Expired - Fee Related CN209836775U (en) | 2019-03-01 | 2019-03-01 | Steel structure convenient to replace for bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209836775U (en) |
-
2019
- 2019-03-01 CN CN201920261318.3U patent/CN209836775U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3160565U (en) | Installation structure of solar panel mount | |
| CN2719998Y (en) | Climbing device of hydraulic automatic climbing imitation system | |
| CN209836775U (en) | Steel structure convenient to replace for bridge | |
| RU193471U1 (en) | STOP PAVILION | |
| CN101806148A (en) | Construction method for concrete beam with U-shaped steel bar connecting joints | |
| CN209129149U (en) | A kind of connection structure of straight building wall board | |
| CN214883032U (en) | Strutting arrangement is used in municipal administration bridge construction | |
| CN210852290U (en) | Loader operating mode camera for intelligent recognition who connects easy to assemble | |
| CN216074777U (en) | Public road bridge roof beam construction bracket convenient to it is fixed | |
| CN206859033U (en) | It is a kind of can quick-assembling bridge | |
| CN110512744A (en) | A kind of attachment device and its construction method for postposition girder steel and shear wall | |
| CN212129185U (en) | Cofferdam reinforced structure for water conservancy construction | |
| CN220433907U (en) | Connecting device of steel structure node | |
| CN220620484U (en) | Steel construction side fascia mounting structure | |
| CN220285416U (en) | Oblique supporting device for assembly type bay window construction | |
| CN204959980U (en) | Simple to operate's floor connection structure | |
| CN220599030U (en) | Civil air defense door frame mounting support frame | |
| CN209798506U (en) | efficient mounting structure for bridge steel structure | |
| CN219118892U (en) | Factory building steel construction support frame | |
| CN211713699U (en) | Bridge expansion piece elevation adjusting device | |
| CN220768955U (en) | Steel construction stand reinforced structure | |
| CN217781785U (en) | Be used for prosthetic crack patching device of road and bridge | |
| CN220133205U (en) | Special-shaped curtain wall installation, adjustment and fixation device | |
| CN216552934U (en) | Semi-closed assembled safety protection shed of tower crane | |
| CN216427991U (en) | Assembled maintenance railing for road and bridge engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20210301 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |