CN212270693U - Bridge deck boundary beam hogging moment stretch-draw operating means - Google Patents
Bridge deck boundary beam hogging moment stretch-draw operating means Download PDFInfo
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- CN212270693U CN212270693U CN202020503904.7U CN202020503904U CN212270693U CN 212270693 U CN212270693 U CN 212270693U CN 202020503904 U CN202020503904 U CN 202020503904U CN 212270693 U CN212270693 U CN 212270693U
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- 239000000725 suspension Substances 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 30
- 238000000034 method Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the construction of public road bridge roof beam, concretely relates to bridge floor boundary beam hogging moment stretch-draw operating means. The device specifically comprises an external suspension hanger and a bearing frame; the bearing frame comprises a counterweight platform, a support column arranged at the top end of the counterweight platform and a connecting frame connected with the support column; the outer suspension hanger comprises a vertical frame and an operation platform arranged at the tail end of the vertical frame; a jack support assembly is arranged on the vertical frame and comprises a fixed sleeve, a movable inner pipe, a sliding groove joist and a jack seat; the connecting frame is provided with a track, and the track is connected with a movable lifting hook; a hanging ring is arranged on the connecting frame; and a chain block is arranged on the hanging ring and connected with the movable inner pipe. Adopt the utility model provides an operating device has sufficient construction space and operation platform, has avoided not having the construction difficulty that operation space and construction platform brought because of boundary beam stretch-draw, has reduced the construction potential safety hazard.
Description
Technical Field
The utility model belongs to the technical field of the construction of public road bridge roof beam, concretely relates to bridge floor boundary beam hogging moment stretch-draw operating means.
Background
In order to improve the tension quality and precision of the hogging moment of the bridge deck, the prior design requires that the hogging moment of the bridge deck of the highway bridge is tensioned in a whole bundle by using a through jack, and because the hogging moment of the bridge deck is constructed under the bridge, no construction operation space and platform are provided, and especially the hogging moment of the side beams cannot be used for erecting an operation platform; in addition, the self weight of the center-penetrating jack is great, and at least two persons are required to be matched for installing the jack; therefore, under the condition that an operation platform and an enough construction operation space are not available, the bridge deck side beam hogging moment tensioning construction difficulty is very high, the construction efficiency is low, the labor input is large, and the construction safety risk is very high more seriously. In order to solve the problem and ensure that enough construction space and platform can be provided for the bridge deck side beam hogging moment tensioning on the premise of ensuring the construction safety, the field construction efficiency is improved, and the personnel investment is reduced, the invention provides a bridge deck side beam hogging moment tensioning operation device so as to facilitate the bridge deck side beam hogging moment tensioning construction.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve bridge floor boundary beam hogging moment stretch-draw and do not have sufficient construction operation space and platform, under the condition that the dead weight is big of stretch-draw jack itself in addition, the construction degree of difficulty is big, and the efficiency of construction is low, the high problem of danger is divided to safety, the utility model provides a under the prerequisite of guaranteeing safety, easy operation, construction convenience can reduce the labour, improves the efficiency of construction, and has sufficient space and construction platform's bridge floor boundary beam hogging moment stretch-draw operating means.
The utility model discloses a following technical scheme realizes: a bridge deck side beam hogging moment tensioning operation device comprises an outer suspension hanger and a bearing frame; the bearing frame comprises a counterweight platform, a support column arranged at the top end of the counterweight platform and a connecting frame connected with the support column; the connecting frame extends outwardly relative to the counterweight platform; the outer suspension hanger is connected with the connecting frame and comprises a vertical frame and an operating platform arranged at the tail end of the vertical frame; the vertical frame is provided with a jack support assembly, and the jack support assembly comprises a fixed sleeve vertically arranged on the vertical frame, a movable inner pipe movably sleeved in the fixed sleeve, a chute joist vertically connected with the movable inner pipe, and a jack seat slidably arranged on the chute joist; the connecting frame is provided with a track along the length direction of the connecting frame, and the track is connected with a movable lifting hook; one end of the connecting frame, which is close to the outer suspension hanger, is provided with a hanging ring; a hand chain block is hung on the hanging ring, and a lifting hook of the hand chain block is connected with the movable inner pipe; the bottom of counter weight platform is provided with removes the subassembly, one side that the counter weight platform is close to the outer gallows of hanging is provided with the antidumping landing leg.
Furthermore, the moving assembly is a universal wheel, and four universal wheels are distributed on the bottom of the counterweight platform. Four universal wheels stably support the whole tensioning operation device on the bridge floor, and meanwhile, the stretching operation device is convenient to move.
Further, the connecting frame is arranged at the top end of the supporting column and is perpendicular to the supporting column.
Furthermore, a reinforcing rod is obliquely arranged between the connecting frame and the supporting column. Make the link be connected more firmly with the support column, the link can bear more loads, security when improving this device and using.
Furthermore, connecting plates with through holes are welded on the connecting frame and the vertical frame, and the connecting frame is connected with the vertical frame through bolts. The whole external hanging hanger is convenient to install and dismantle.
Furthermore, the anti-overturning supporting leg is a bolt rod with a supporting plate welded at the bottom, and the anti-overturning supporting leg is in threaded connection with the counterweight platform. After the operating device is properly installed, the anti-overturning supporting legs are screwed and extended out, so that the operating device is prevented from overturning in the construction process.
Furthermore, the sliding groove joist is made of I-shaped steel, and the bottom of the jack seat is connected with a roller. The jack seat can freely slide on the sliding groove joist, and the tensioning position of the jack can be conveniently and quickly positioned.
Furthermore, a lifting device is connected to the movable lifting hook
Compared with the prior art, the utility model has the advantages that:
1. adopt the utility model provides a boundary beam hogging moment stretch-draw operating means has sufficient construction space and operation platform, has avoided having reduced the construction potential safety hazard because of the boundary beam stretch-draw does not have the construction difficulty that operation space and construction platform brought.
2. The operating device is provided with a movable hoisting mechanism consisting of a track and a movable hoisting hook, so that the jack can be conveniently moved to the jack seat from the bridge floor. The movable inner pipe is pulled by the chain block to move up and down, the movable inner pipe can rotate, the jack seat can freely move on the sliding groove supporting beam, and the tensioning position of the jack can be conveniently and quickly positioned. Compared with the method of manually installing the jack, the method is light and labor-saving, can accelerate the tensioning construction progress, improves the construction efficiency and saves labor.
3. The operation device is provided with the universal traveling wheels, the transportation of the whole tensioning system is facilitated, and the tensioning system can be transferred to the next span in time after the tensioning of one span is completed, so that the construction is facilitated.
4. By adopting the operation device for tensioning, the operation platform under the bridge can be operated by only one person, and the jack does not need to be fixed manually during tensioning, so that the potential safety hazard of construction is greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic perspective view of an overhang hanger and a load-bearing frame.
Fig. 3 is a schematic structural view of a jack seat and a chute joist.
Fig. 4 is a schematic structural view of the mobile hook and the rail.
In the figure: 1-a counterweight platform; 2-universal wheels; 3-a support column; 4-a reinforcing rod; 5-a connecting frame; 6-orbit; 7-hoisting rings; 8-erecting a frame; 9-movable inner tube; 10-an operation platform; 11-chute joists; 12-a fixed sleeve; 13-anti-overturning legs; 14-moving the hook; 15-chain block; 16-jack seat.
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.
The device for tensioning the hogging moment of the bridge deck boundary beam comprises an outer suspension hanger and a bearing frame, wherein the outer suspension hanger is connected with the bearing frame through a connecting rod; the bearing frame is formed by splicing and welding double 10# channel steel openings, and the outer suspension hanger is formed by welding 6.3# channel steel. The bearing frame comprises a counterweight platform 1, a support column 3 vertically arranged at the top end of the counterweight platform 1 and a connecting frame 5 connected with the support column 3. The counterweight platform 1 is a rectangular frame body, and a plurality of support rods are transversely arranged and used for placing counterweight blocks. The connecting frame 5 extends outwardly with respect to the counterweight platform 1.
The outer suspension hanger is connected with the connecting frame 5, and comprises a vertical frame 8 and an operating platform 10 arranged at the tail end of the vertical frame 8. Connecting plates with through holes are welded on the connecting frame 5 and the vertical frame 8, and the connecting frame 5 is connected with the vertical frame 8 through bolts. The vertical frame 8 is a flat and long strip-shaped metal frame body. The operation platform 10 is a welded metal frame, and the bottom platform step is welded with the metal frame by a 3mm pattern steel plate. The lifting jack support assembly is arranged on the vertical frame 8 and comprises a fixed sleeve 12 vertically arranged on the vertical frame 8, a movable inner pipe 9 movably sleeved in the fixed sleeve 12, a sliding groove joist 11 vertically connected with the movable inner pipe 9 and a lifting jack seat 16 slidably arranged on the sliding groove joist 11. The fixed sleeve 1 is connected with the vertical frame 8 in a welding mode. The jack base 16 is disc-shaped, and the edge of the jack base is provided with an annular bulge; a rotating disc is welded at the bottom of the jack seat 16, a wheel shaft is welded at the bottom of the rotating disc, and two ends of the wheel shaft are connected with rolling bearings; the sliding chute joist 11 is made of I-shaped steel, and the two ends of the sliding chute joist 11 are welded with sealing plates to prevent the jack base 16 from slipping. The roller bearings at the two ends of the wheel axle are embedded into the grooves of the I-steel, so that the jack seat 16 can move on the chute joist 11.
The connecting frame 5 is provided with a track 6 along the length direction of the connecting frame, and the track 6 is connected with a movable hook 14. The left and right sides of the rail 6 are provided with closing plates to prevent the moving hook 14 from slipping off. The track 6 is an I-shaped steel, the movable lifting hook 14 comprises a hook body and two ejector rods connected with the hook body, horizontal rolling cones are oppositely arranged on the two ejector rods, and the two rolling cones are attached to the inner surface of the I-shaped steel and used for supporting the hook body. One end of the connecting frame 5 close to the outer suspension hanger is provided with a hanging ring 7; a hand chain block 15 is hung on the hoisting ring 7, and a lifting hook of the hand chain block 15 is connected with the movable inner pipe 9; a through hole horizontally penetrates through the top end of the movable inner pipe 9, a pin shaft penetrates through the through hole, and a lifting hook of the chain block 15 is connected with the pin shaft and used for lifting the movable inner pipe 9. Thereby adjusting the up-down position of the jack.
Four universal wheels 2 are arranged at the bottom of the counterweight platform 1, and an anti-overturning supporting leg 13 is arranged on one side, close to the externally suspended hanging bracket, of the counterweight platform 1. The anti-overturning supporting leg 13 is a bolt rod with a supporting plate welded at the bottom, a through hole is formed in the counterweight platform 1, nuts which are concentric with the through hole are welded at the upper end and the lower end of the through hole, and the anti-overturning supporting leg 13 is in threaded connection with the nuts. In use, extension and retraction is achieved by rotating the anti-overturning leg 13.
And a reinforcing rod 4 is obliquely arranged between the connecting frame 5 and the supporting column 3.
The movable lifting hook 14 is connected with a lifting device, and the lifting device is a chain block.
The utility model discloses a use method does: will the utility model discloses a stretch-draw operating means removes to bridge floor boundary beam department, and at this moment, operation platform 10 is located under the bridge floor. And a balancing weight is placed on the balancing weight platform 1, and can be a cement pier or a steel block. The outriggers 13 are rotated. The mobile hook 14 is slid above the deck, the jack is lifted by a chain block suspended on the mobile hook 14, and then the mobile hook 14 is moved to transport the jack to the jack mount 16. The movable inner tube 9 is moved up and down by the chain block 15 to adjust the longitudinal position of the jack; the front-back and left-right positions of the jack are adjusted by moving the jack base 16 and rotating the movable inner tube 9.
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 (8)
1. The utility model provides a bridge floor boundary beam hogging moment stretch-draw operating means which characterized in that includes: an outer suspension hanger, a load-bearing frame;
the bearing frame comprises a counterweight platform (1), a support column (3) arranged at the top end of the counterweight platform (1), and a connecting frame (5) connected with the support column (3); the connecting frame (5) extends outwards relative to the counterweight platform (1);
the outer suspension hanger is connected with the connecting frame (5) and comprises a vertical frame (8) and an operating platform (10) arranged at the tail end of the vertical frame (8); a jack support assembly is arranged on the vertical frame (8), and comprises a fixed sleeve (12) vertically arranged on the vertical frame (8), a movable inner pipe (9) movably sleeved in the fixed sleeve (12), a chute joist (11) vertically connected with the movable inner pipe (9), and a jack seat (16) slidably arranged on the chute joist (11);
a track (6) along the length direction of the connecting frame (5) is arranged on the connecting frame, and a movable lifting hook (14) is connected to the track (6); a hanging ring (7) is arranged at one end of the connecting frame (5) close to the outer suspension hanger; a hand chain block (15) is hung on the hoisting ring (7), and a lifting hook of the hand chain block (15) is connected with the movable inner pipe (9);
the bottom of counter weight platform (1) is provided with removes the subassembly, counter weight platform (1) is close to one side of outer suspension gallows is provided with antidumping landing leg (13).
2. The bridge deck edge beam hogging moment tensioning device of claim 1, wherein: the moving assembly is a universal wheel (2), and four universal wheels (2) are distributed on the bottom of the counterweight platform (1).
3. The bridge deck edge beam hogging moment tensioning device of claim 1, wherein: the connecting frame (5) is arranged at the top end of the supporting column (3) and is vertical to the supporting column (3).
4. The bridge deck edge beam hogging moment tensioning device of claim 3, wherein: and a reinforcing rod (4) is obliquely arranged between the connecting frame (5) and the supporting column (3).
5. The bridge deck edge beam hogging moment tensioning device of claim 1, wherein: the connecting frame (5) and the vertical frame (8) are all welded with connecting plates with through holes, and the connecting frame (5) is connected with the vertical frame (8) through bolts.
6. The bridge deck edge beam hogging moment tensioning device of claim 1, wherein: the anti-overturning supporting leg (13) is a bolt rod with a supporting plate welded at the bottom, and the anti-overturning supporting leg (13) is in threaded connection with the counterweight platform (1).
7. The bridge deck edge beam hogging moment tensioning device of claim 1, wherein: the sliding groove joist (11) is made of I-shaped steel, and the bottom of the jack seat (16) is connected with a roller.
8. The bridge deck edge beam hogging moment tensioning device of claim 1, wherein: the movable lifting hook (14) is connected with a lifting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020503904.7U CN212270693U (en) | 2020-04-09 | 2020-04-09 | Bridge deck boundary beam hogging moment stretch-draw operating means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020503904.7U CN212270693U (en) | 2020-04-09 | 2020-04-09 | Bridge deck boundary beam hogging moment stretch-draw operating means |
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| Publication Number | Publication Date |
|---|---|
| CN212270693U true CN212270693U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020503904.7U Expired - Fee Related CN212270693U (en) | 2020-04-09 | 2020-04-09 | Bridge deck boundary beam hogging moment stretch-draw operating means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212270693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115653275A (en) * | 2022-12-09 | 2023-01-31 | 中建八局第二建设有限公司 | Construction operation platform and construction method for building eave |
-
2020
- 2020-04-09 CN CN202020503904.7U patent/CN212270693U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115653275A (en) * | 2022-12-09 | 2023-01-31 | 中建八局第二建设有限公司 | Construction operation platform and construction method for building eave |
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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: 20210101 |
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| CF01 | Termination of patent right due to non-payment of annual fee |