CN216864845U - High-precision hoisting device for bridge construction - Google Patents
High-precision hoisting device for bridge construction Download PDFInfo
- Publication number
- CN216864845U CN216864845U CN202220127726.1U CN202220127726U CN216864845U CN 216864845 U CN216864845 U CN 216864845U CN 202220127726 U CN202220127726 U CN 202220127726U CN 216864845 U CN216864845 U CN 216864845U
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- China
- Prior art keywords
- bridge section
- bridge
- connecting plate
- fixed
- limiting
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- 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
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000000670 limiting effect Effects 0.000 claims abstract description 36
- 230000000694 effects Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 13
- 230000007246 mechanism Effects 0.000 abstract description 12
- 229910000831 Steel Inorganic materials 0.000 abstract description 10
- 239000010959 steel Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high-precision hoisting device for bridge construction, which comprises cranes, bridge sections and limiting mechanisms, wherein steel cables are arranged on the two cranes, the end parts of the two steel cables are fixedly connected with the upper surface of the bridge section, the limiting mechanism is arranged between the cranes and the bridge sections and comprises a connecting plate, a fixed rod, a limiting sleeve plate, a supporting wheel and a sliding assembly, the connecting plate is arranged between the two cranes, the lower end of the fixed rod is fixed on the upper surface of the bridge section, the inner end of the limiting sleeve plate is fixed on the upper surface of the connecting plate through the sliding assembly, and the outer end of the limiting sleeve plate is movably sleeved at the upper end of the fixed rod; according to the utility model, the limiting mechanism is arranged, so that the crane is not influenced to lift and move the bridge section, and the limiting can be carried out in the lifting process of the bridge section, the situation that the positioning efficiency of the bridge section is influenced due to deflection movement of the bridge section caused by external force is avoided, the construction and installation convenience of the bridge section is indirectly improved, and the installation time is saved.
Description
Technical Field
The utility model belongs to the technical field of bridge construction, particularly relates to a high-precision hoisting device for bridge construction, and particularly relates to a high-precision crane for bridge construction.
Background
The bridge deck crane adopts the steel strand jacks as lifting equipment, and the whole crane can longitudinally and automatically move forwards. After the lifting, the longitudinal and transverse positions and the inclination angle of the lifting beam section can be accurately adjusted in the air, and the lifting device has the characteristics of safety, reliability, accurate positioning, mature technology and the like. The method can be used for lifting bridge sections in bridge construction.
When some existing cranes play bridge sections, steel ropes may deviate in the playing process, and bridge section positions deviate, so that the mounting and positioning time and efficiency of subsequent bridge sections are prolonged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-precision hoisting device for bridge construction, which aims to solve the problems that when some cranes proposed in the background art lift a bridge section, a steel rope possibly deviates in the lifting process, the position of the bridge section deviates, and the installation and positioning time and efficiency of the subsequent bridge section are prolonged.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high accuracy hoist device for bridge construction, includes loop wheel machine, bridge section and stop gear, two all be provided with the cable wire on the loop wheel machine, two cable wire tip and bridge section upper surface are connected fixedly, be provided with stop gear between loop wheel machine and the bridge section, stop gear includes connecting plate, dead lever, spacing lagging, supporting wheel and sliding assembly, two be provided with the connecting plate between the loop wheel machine, the dead lever lower extreme is fixed at bridge section upper surface, spacing lagging is inner to be fixed at the connecting plate upper surface through sliding assembly, spacing lagging outer end movable sleeve is established in the dead lever upper end.
Preferably, the sliding assembly comprises sliding rails, sliding sleeves and limiting screws, the sliding rails are fixed on the upper surface of the connecting plate and located on two sides of the limiting sleeve plate respectively, and the sliding sleeves are fixed on the side faces of the limiting sleeve plate through the screws and movably sleeved on the sliding rails.
Preferably, the limiting screw is vertically and rotatably mounted on the sliding sleeve, and the inner end of the limiting screw is in surface contact with the sliding rail for limiting.
Preferably, the lower surface of the connecting plate is provided with a clamping groove, and a supporting wheel is rotatably arranged in the clamping groove.
Preferably, the fixed rod comprises an upper rod, a lower rod and a countersunk screw, the lower rod is fixed on the upper surface of the bridge section through the countersunk screw, the lower end of the upper rod is T-shaped, and the upper end of the lower rod is U-shaped.
Preferably, a T-shaped hole is formed in the side face of the lower rod, and the countersunk head screw penetrates through the T-shaped hole to be in threaded connection with the end portion of the upper rod.
Preferably, the top of the crane is provided with a guide frame and a main lifting top, and the bottom of the crane is provided with a lifting support leg top.
Compared with the prior art, the utility model has the beneficial effects that:
(1) according to the utility model, the limiting mechanism is arranged, so that the crane is not influenced to lift and move the bridge section, and the limiting can be carried out in the lifting process of the bridge section, the situation that the positioning efficiency of the bridge section is influenced due to deflection movement of the bridge section caused by external force is avoided, the construction and installation convenience of the bridge section is indirectly improved, and the installation time is saved.
(2) The length of the fixing rod is convenient to adjust according to the lifting height of the bridge section by utilizing the adjustability of the length of the fixing rod, the end part of the fixing rod is convenient to be connected with the limiting lantern ring subsequently to play a limiting role, and the installation and use range of the whole limiting mechanism is enlarged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a spacing mechanism of the present invention;
FIG. 3 is a schematic structural view of the sliding assembly of the present invention;
FIG. 4 is a schematic structural diagram of a fixing rod according to the present invention;
in the figure: 1. hoisting a machine; 2. a bridge section; 3. a steel cord; 4. a limiting mechanism; 41. a connecting plate; 42. fixing the rod; 421. a rod is arranged; 422. a lower rod; 423. countersunk head screws; 43. a limiting sleeve plate; 44. a support wheel; 45. a sliding assembly; 451. a slide rail; 452. a sliding sleeve; 453. and a limiting screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-precision hoisting device for bridge construction comprises cranes 1, a bridge section 2 and a limiting mechanism 4, wherein steel cables 3 are arranged on the two cranes 1, the two cranes 1 are arranged on a main bridge body, the end parts of the two steel cables 3 are fixedly connected with the upper surface of the bridge section 2, the limiting mechanism 4 is arranged between the cranes 1 and the bridge section 2, the limiting mechanism 4 comprises a connecting plate 41, a fixing rod 42, a limiting sleeve plate 43, a supporting wheel 44 and a sliding assembly 45, the connecting plate 41 is arranged between the two cranes 1, the connecting plate 41 is fixed through screws to facilitate subsequent disassembly and removal, the lower end of the fixing rod 42 is fixed on the upper surface of the bridge section 2 and is detachable through screw fixation, the inner end of the limiting sleeve plate 43 is fixed on the upper surface of the connecting plate 41 through the sliding assembly 45, the limiting sleeve plate 43 can limit the position of the fixing rod 42, the outer end 43 of the limiting sleeve plate is movably sleeved on the upper end of the fixing rod 42, through being provided with stop gear 4, neither influence loop wheel machine 1 and lift by crane and remove bridge section 2, can carry out spacingly at bridge section 2 in-process that lifts by crane again, avoid bridge section 2 because the circumstances that the aversion removal appears in external force influences its positioning efficiency, indirectly increase 2 construction installation convenience of bridge section and save installation time.
In this embodiment, preferably, the sliding assembly 45 includes the sliding rail 451, the sliding sleeve 452 and the limit screw 453, two sliding rails 451 are fixed on the upper surface of the connecting plate 41 and are respectively located on two sides of the limit sleeve plate 43, the sliding sleeve 452 is fixed on the side surface of the limit sleeve plate 43 through a screw and movably sleeved on the sliding rail 451, the sliding sleeve 452 and the limit sleeve plate 43 are convenient to detach, the limit screw 453 is vertically and rotatably installed on the sliding sleeve 452, the inner end of the limit screw 453 is in surface contact with the sliding rail 451 for limiting, the position of the sliding sleeve 452 can be limited by using the limit screw 453, by providing the sliding assembly 45, a limiting effect can be achieved in the upward hoisting process of the bridge section 2, the lateral deviation condition is avoided, and the backward movement of the bridge section 2 and the butt joint installation with the main bridge body are not affected.
In this embodiment, preferably, a clamping groove is formed in the lower surface of the connecting plate 41, a supporting wheel 44 is rotatably mounted in the clamping groove, and the supporting wheel 44 can support the connecting plate 41.
In this embodiment, preferably, the fixing rod 42 includes an upper rod 421, a lower rod 422 and a countersunk screw 423, the lower rod 422 is fixed on the upper surface of the bridge section 2 through a screw, the lower end of the upper rod 421 is T-shaped, the upper end of the lower rod 422 is U-shaped, a T-shaped hole is formed in the side surface of the lower rod 422, the countersunk screw 423 penetrates through the T-shaped hole to be in threaded connection with the end of the upper rod 421, the length of the fixing rod 42 is adjustable, the height of the fixing rod is conveniently adjusted according to the lifting height of the bridge section 2, the end of the fixing rod 42 is conveniently connected with the limiting sleeve plate 43 to achieve a limiting effect, and the installation and use range of the whole limiting mechanism 4 is enlarged.
In this embodiment, preferably, the top of the crane 1 is provided with a guide frame and a main lifting top, and the bottom of the crane 1 is provided with a lifting leg top.
The working principle and the using process of the utility model are as follows: when the utility model is used, the countersunk head screw 423 is taken down, the length between the upper rod 421 and the lower rod 422 is adjusted, when appropriate, the two are connected and fixed by the countersunk head screw 423, the fixed rod 42 with the adjusted length is fixed on the upper surface of the bridge section 2, the limit sleeve plate 43 is arranged on the upper surface of the connecting plate 41 and is sleeved on the end part of the fixed rod 42, the end part of the steel cable 3 is connected with the upper surface of the bridge section 2, the steel cable 3 is gradually wound along with the operation of the crane 1, the bridge section 2 moves upwards along with the operation, the upper end of the fixed rod 42 moves along with the operation and the limit sleeve plate 43 moves upwards, the situation that the fixed rod 42 moves laterally is avoided, meanwhile, the situation that the bridge section 2 moves backwards to be close to the end part of the main bridge section is not influenced, the limit sleeve plate 43 moves backwards along with the bridge section 2 on the sliding rail 451, the whole limit mechanism 4 enables the bridge section 2 to move upwards and backwards to the main bridge body, thereby being convenient for the installation and positioning of the bridge section 2, avoid bridge section 2 to appear moving and influence its positioning efficiency's the condition because of the external force is partial to, indirectly increase 2 construction installation convenience of bridge section and save installation time.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a high accuracy hoist device for bridge construction, includes loop wheel machine (1), bridge section (2) and stop gear (4), two all be provided with cable wire (3), two on loop wheel machine (1) cable wire (3) tip and bridge section (2) upper surface connection are fixed, its characterized in that: be provided with stop gear (4) between loop wheel machine (1) and bridge section (2), stop gear (4) are including connecting plate (41), dead lever (42), spacing lagging (43), supporting wheel (44) and sliding assembly (45), two be provided with connecting plate (41) between loop wheel machine (1), dead lever (42) lower extreme is fixed at bridge section (2) upper surface, spacing lagging (43) is inner to be fixed at connecting plate (41) upper surface through sliding assembly (45), the movable sleeve in spacing lagging (43) outer end is established in dead lever (42) upper end.
2. The high-precision hoisting device for bridge construction according to claim 1, characterized in that: sliding assembly (45) include slide rail (451), sliding sleeve (452) and stop screw (453), two slide rail (451) are fixed at connecting plate (41) upper surface and are located spacing lagging (43) both sides respectively, sliding sleeve (452) are established on slide rail (451) through the fix with screw at spacing lagging (43) side and activity cover.
3. The high-precision hoisting device for bridge construction according to claim 2, characterized in that: the limiting screw (453) is vertically and rotatably mounted on the sliding sleeve (452), and the inner end of the limiting screw (453) is in surface contact limiting with the sliding rail (451).
4. The high-precision hoisting device for bridge construction according to claim 1, characterized in that: the lower surface of the connecting plate (41) is provided with a clamping groove, and a supporting wheel (44) is rotatably arranged in the clamping groove.
5. The high-precision hoisting device for bridge construction according to claim 1, characterized in that: the fixing rod (42) comprises an upper rod (421), a lower rod (422) and a countersunk screw (423), the lower rod (422) is fixed on the upper surface of the bridge section (2) through a screw, the lower end of the upper rod (421) is T-shaped, and the upper end of the lower rod (422) is U-shaped.
6. The high-precision hoisting device for bridge construction according to claim 5, characterized in that: t-shaped holes are formed in the side face of the lower rod (422), and the countersunk head screws (423) penetrate through the T-shaped holes to be in threaded connection with the end portions of the upper rods (421).
7. The high-precision hoisting device for bridge construction according to claim 1, characterized in that: the top of the crane (1) is provided with a guide frame and a main lifting top, and the bottom of the crane (1) is provided with a lifting support leg top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220127726.1U CN216864845U (en) | 2022-01-18 | 2022-01-18 | High-precision hoisting device for bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220127726.1U CN216864845U (en) | 2022-01-18 | 2022-01-18 | High-precision hoisting device for bridge construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216864845U true CN216864845U (en) | 2022-07-01 |
Family
ID=82152502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220127726.1U Expired - Fee Related CN216864845U (en) | 2022-01-18 | 2022-01-18 | High-precision hoisting device for bridge construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216864845U (en) |
-
2022
- 2022-01-18 CN CN202220127726.1U patent/CN216864845U/en not_active Expired - Fee Related
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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: 20220701 |
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| CF01 | Termination of patent right due to non-payment of annual fee |