CN112875502A - Hoisting device for bridge installation - Google Patents
Hoisting device for bridge installation Download PDFInfo
- Publication number
- CN112875502A CN112875502A CN201911206586.6A CN201911206586A CN112875502A CN 112875502 A CN112875502 A CN 112875502A CN 201911206586 A CN201911206586 A CN 201911206586A CN 112875502 A CN112875502 A CN 112875502A
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- CN
- China
- Prior art keywords
- buffer
- hoisting
- fixedly connected
- plate
- seat
- 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.)
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Links
- 238000009434 installation Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 240000009087 Crescentia cujete Species 0.000 claims 1
- 235000005983 Crescentia cujete Nutrition 0.000 claims 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 9
- 230000003867 tiredness Effects 0.000 abstract description 2
- 208000016255 tiredness Diseases 0.000 abstract description 2
- 206010016256 fatigue Diseases 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
Abstract
The invention discloses a hoisting device for bridge installation, which comprises a hoisting frame, a cross beam arranged at the upper end of the hoisting frame and an electric hoist slidably arranged on the cross beam, wherein the lower end of the hoisting frame is connected with a movable seat, a buffer mechanism is arranged at the joint of the lower end of the hoisting frame and the movable seat, the buffer mechanism comprises a buffer seat welded on the surface of the lower end of the hoisting frame and a buffer groove arranged on the movable seat, the lower end of the buffer seat extends into the buffer groove and is fixedly connected with a buffer plate, the buffer plate is slidably arranged in the buffer groove, and the middle part of the inner side of the buffer groove is fixedly connected with a main buffer spring; through the buffer gear of design, the vibration that produces when hoist device uses makes buffer board compression main buffer spring cushion, drives the clamping ring simultaneously and presses on the slider, promotes the slider compression and assists buffer spring to cushion, makes the buffering effect better, reduces hoist device hoist and mount frame etc. and the tiredness damage appears because of the vibration.
Description
Technical Field
The invention belongs to the technical field of bridge hoisting devices, and particularly relates to a hoisting device for bridge installation.
Background
The bridge superstructure or other components are hoisted by a hoisting device and placed on a fixed bridge frame on the bridge foot arch or other predetermined location.
When the existing hoisting device for bridge installation is used, a machine can vibrate when the machine hoists a bridge to move, and the problem of fatigue damage of a hoisting frame can be caused by long-term use, so that the hoisting device for bridge installation is provided.
Disclosure of Invention
The invention aims to provide a hoisting device for bridge installation, which solves the problems that when the existing hoisting device for bridge installation provided in the background art is used, vibration is generated when a machine operates to hoist a bridge to move, and fatigue damage of a hoisting frame can be caused after long-term use.
In order to achieve the purpose, the invention provides the following technical scheme: a hoisting device for bridge installation comprises a hoisting frame, a cross beam arranged at the upper end of the hoisting frame and an electric hoist arranged on the cross beam in a sliding manner, the lower end of the hoisting frame is connected with a movable seat, a buffer mechanism is arranged at the joint of the lower end of the hoisting frame and the movable seat, the buffer mechanism comprises a buffer seat welded on the surface of the lower end of the hoisting frame and a buffer groove arranged on the movable seat, the lower end of the buffer seat extends into the buffer groove and is fixedly connected with a buffer plate which is arranged in the buffer groove in a sliding way, the middle part of the inner side of the buffer groove is fixedly connected with a main buffer spring, the upper end of the main buffer spring is fixedly connected with the buffer plate, the lower surface of buffer board is provided with the clamping ring, buffer spring is assisted to the inner wall fixedly connected with of dashpot, assist buffer spring's one end fixedly connected with slider, the slider is located between the clamping ring.
Preferably, a fixed plate and a sliding plate are welded between the hoisting frames, one end of the sliding plate is inserted into the fixed plate, threaded holes are correspondingly formed in the surfaces of the fixed plate and the sliding plate, and a fixing bolt is screwed in the threaded holes.
Preferably, the contact surface of the pressing ring and the slider is an inclined surface of forty-five degrees.
Preferably, the lower side of the movable seat is provided with a track, and the track laying device is arranged on the ground at the use position.
Preferably, the electric hoist is provided with a hoisting steel cable, and the lower end of the steel cable is provided with a bridge hoisting clamp.
Preferably, the upside of crossbeam is provided with the moving motor, the output fixedly connected with accommodate the lead screw of moving motor, the cover is equipped with screw-nut on the accommodate the lead screw, screw-nut and electric block fixed connection.
Preferably, the outer side of the main buffer spring is provided with a telescopic sleeve, the telescopic sleeve comprises a fixed sleeve and a sliding sleeve, and one end of the sliding sleeve is slidably mounted in the fixed sleeve.
Compared with the prior art, the invention has the beneficial effects that:
(1) through the buffer gear of design, the vibration that produces when hoist device uses makes buffer board compression main buffer spring cushion, drives the clamping ring simultaneously and presses on the slider, promotes the slider compression and assists buffer spring to cushion, makes the buffering effect better, reduces hoist device hoist and mount frame etc. and the tiredness damage appears because of the vibration.
(2) Through the fixed plate and the sliding plate of design, when using the hoisting frame, the distance between the hoisting frame can be adjusted according to the length of the bridge to be hoisted, so that the hoisting frame cannot deviate greatly when moving.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic cross-sectional view at A in FIG. 1 according to the present invention;
FIG. 4 is a schematic top view of the buffer tank of the present invention;
in the figure: 1. a hoisting frame; 2. a cross beam; 3. an electric hoist; 4. a movable seat; 5. a fixing plate; 6. a sliding plate; 7. a buffer seat; 8. a buffer plate; 9. a buffer tank; 10. a main buffer spring; 11. pressing a ring; 12. an auxiliary buffer spring; 13. a slide block.
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.
Example 1
Referring to fig. 1, fig. 3 and fig. 4, the present invention provides a technical solution: a hoisting device for bridge installation comprises a hoisting frame 1, a cross beam 2 arranged at the upper end of the hoisting frame 1 and an electric hoist 3 slidably arranged on the cross beam 2, wherein the lower end of the hoisting frame 1 is connected with a movable seat 4, a buffer mechanism is arranged at the joint of the lower end of the hoisting frame 1 and the movable seat 4, vibration generated by the hoisting frame 1 is conveniently buffered, the buffer mechanism comprises a buffer seat 7 welded on the surface of the lower end of the hoisting frame 1 and a buffer groove 9 arranged on the movable seat 4, the lower end of the buffer seat 7 extends into the buffer groove 9 and is fixedly connected with a buffer plate 8, the buffer plate 8 is slidably arranged in the buffer groove 9, the buffer seat 7 conveniently drives the buffer plate 8 to move in the buffer groove 9, a main buffer spring 10 is fixedly connected to the middle part of the inner side of the buffer groove 9, the upper end of the main buffer spring 10 is fixedly connected with the buffer plate 8, the buffer plate 8 conveniently compresses, the lower surface of buffer board 8 is provided with clamping ring 11, and buffer spring 12 is assisted to the inner wall fixedly connected with of buffer slot 9, assists buffer spring 12's one end fixedly connected with slider 13, makes things convenient for slider 13 compression to assist buffer spring 12 buffering, and slider 13 is located between clamping ring 11, and the convenience promotes slider 13 and removes when clamping ring 11 shifts down.
In this embodiment, preferably, a fixed plate 5 and a sliding plate 6 are welded between the hoisting frames 1, one end of the sliding plate 6 is inserted into the fixed plate 5, threaded holes are correspondingly formed in the surfaces of the fixed plate 5 and the sliding plate 6, fixing bolts are screwed in the threaded holes, one end of the sliding plate 6 slides in the fixed plate 5 by screwing out the fixing bolts, and the total length of the fixed plate 5 and the sliding plate 6 is adjusted, so that the position between the hoisting frames 1 is fixedly adjusted, the distance between the hoisting frames 1 is prevented from deviating during movement, and the bridge hoisted by the electric hoist 3 is prevented from deviating and is dangerous.
In this embodiment, preferably, the contact surface between the pressing ring 11 and the slider 13 is an inclined surface of forty-five degrees, so that when the pressing ring 11 is pressed against the slider 13, the vertical force is better changed into a horizontal force, and the slider 13 is pushed to compress the auxiliary buffer spring 12 for buffering.
In this embodiment, preferably, the lower side of the movable seat 4 is provided with a track, and the track laying device is conveniently moved on the ground at the use position of the movable seat 4, so as to adjust the position of the hoisting frame 1.
In this embodiment, it is preferred, be provided with the hoist and mount cable wire on the electric block 3, the lower extreme of cable wire is provided with bridge stone tongs, conveniently hoists the bridge.
In this embodiment, preferably, the upper side of the beam 2 is provided with a mobile motor, the output end of the mobile motor is fixedly connected with an adjusting screw rod, the adjusting screw rod is sleeved with a screw nut, the screw nut is fixedly connected with the electric block 3, the adjusting screw rod is driven by the mobile motor to rotate, the screw nut on the adjusting screw rod moves along the adjusting screw rod, and therefore the electric block 3 is driven to move.
In this embodiment, preferably, the outer side of the main buffer spring 10 is provided with a telescopic sleeve, which can protect the main buffer spring 10 and prevent the slider 13 from touching the main buffer spring 10, the telescopic sleeve comprises a fixed sleeve and a sliding sleeve, and one end of the sliding sleeve is slidably mounted in the fixed sleeve, so as to facilitate sliding between the fixed sleeve and the sliding sleeve.
Example 2
Referring to fig. 1-4, the present invention provides a technical solution: a hoisting device for bridge installation comprises a hoisting frame 1, a cross beam 2 arranged at the upper end of the hoisting frame 1 and an electric hoist 3 slidably arranged on the cross beam 2, wherein the lower end of the hoisting frame 1 is connected with a movable seat 4, a buffer mechanism is arranged at the joint of the lower end of the hoisting frame 1 and the movable seat 4, vibration generated by the hoisting frame 1 is conveniently buffered, the buffer mechanism comprises a buffer seat 7 welded on the surface of the lower end of the hoisting frame 1 and a buffer groove 9 arranged on the movable seat 4, the lower end of the buffer seat 7 extends into the buffer groove 9 and is fixedly connected with a buffer plate 8, the buffer plate 8 is slidably arranged in the buffer groove 9, the buffer seat 7 conveniently drives the buffer plate 8 to move in the buffer groove 9, a main buffer spring 10 is fixedly connected to the middle part of the inner side of the buffer groove 9, the upper end of the main buffer spring 10 is fixedly connected with the buffer plate 8, the buffer plate 8 conveniently compresses, the lower surface of buffer board 8 is provided with clamping ring 11, and buffer spring 12 is assisted to the inner wall fixedly connected with of buffer slot 9, assists buffer spring 12's one end fixedly connected with slider 13, makes things convenient for slider 13 compression to assist buffer spring 12 buffering, and slider 13 is located between clamping ring 11, and the convenience promotes slider 13 and removes when clamping ring 11 shifts down.
In this embodiment, preferably, a fixed plate 5 and a sliding plate 6 are welded between the hoisting frames 1, one end of the sliding plate 6 is inserted into the fixed plate 5, threaded holes are correspondingly formed in the surfaces of the fixed plate 5 and the sliding plate 6, fixing bolts are screwed in the threaded holes, one end of the sliding plate 6 slides in the fixed plate 5 by screwing out the fixing bolts, and the total length of the fixed plate 5 and the sliding plate 6 is adjusted, so that the position between the hoisting frames 1 is fixedly adjusted, the distance between the hoisting frames 1 is prevented from deviating during movement, and the bridge hoisted by the electric hoist 3 is prevented from deviating and is dangerous.
In this embodiment, preferably, the contact surface between the pressing ring 11 and the slider 13 is an inclined surface of forty-five degrees, so that when the pressing ring 11 is pressed against the slider 13, the vertical force is better changed into a horizontal force, and the slider 13 is pushed to compress the auxiliary buffer spring 12 for buffering.
In this embodiment, preferably, the lower side of the movable seat 4 is provided with a track, and the track laying device is conveniently moved on the ground at the use position of the movable seat 4, so as to adjust the position of the hoisting frame 1.
In this embodiment, it is preferred, be provided with the hoist and mount cable wire on the electric block 3, the lower extreme of cable wire is provided with bridge stone tongs, conveniently hoists the bridge.
In this embodiment, preferably, the upper side of the beam 2 is provided with a mobile motor, the output end of the mobile motor is fixedly connected with an adjusting screw rod, the adjusting screw rod is sleeved with a screw nut, the screw nut is fixedly connected with the electric block 3, the adjusting screw rod is driven by the mobile motor to rotate, the screw nut on the adjusting screw rod moves along the adjusting screw rod, and therefore the electric block 3 is driven to move.
In this embodiment, preferably, the outer side of the main buffer spring 10 is provided with a telescopic sleeve, which can protect the main buffer spring 10 and prevent the slider 13 from touching the main buffer spring 10, the telescopic sleeve comprises a fixed sleeve and a sliding sleeve, and one end of the sliding sleeve is slidably mounted in the fixed sleeve, so as to facilitate sliding between the fixed sleeve and the sliding sleeve.
The working principle and the using process of the invention are as follows: after the installation, the installation fixation and safety protection of the invention are checked firstly, and then the invention can be used, the vibration generated when the hoisting frame 1 operates drives the buffer plate 8 at one end of the buffer seat 7 to compress the main buffer spring 10 for buffering, and simultaneously the buffer plate 8 drives the compression ring 11 to extrude the slide block 13, so that the slide block 13 compresses the auxiliary buffer spring 12 for auxiliary buffering, and the buffering effect is better; when the hoisting frame 1 is used, the total length of the fixed plate 5 and the sliding plate 6 can be adjusted through the fixed bolt and the threaded hole according to the length of a hoisted bridge, and the distance change between the hoisting frames 1 is prevented from influencing the erection of the bridge when the hoisting frame 1 moves through the connection of the fixed plate 5 and the sliding plate 6, so that the use process of the invention is completed.
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 a hoisting device is used in bridge installation, includes hoist and mount frame (1), installs crossbeam (2) and the electronic calabash (3) of slidable mounting on crossbeam (2) of hoisting and mounting frame (1) upper end, the lower extreme of hoisting and mounting frame (1) is connected with and removes seat (4), its characterized in that: a buffer mechanism is arranged at the joint of the lower end of the hoisting frame (1) and the movable seat (4), the buffer mechanism comprises a buffer seat (7) welded on the surface of the lower end of the hoisting frame (1) and a buffer groove (9) arranged on the movable seat (4), the lower end of the buffer seat (7) extends into the buffer groove (9) and is fixedly connected with a buffer plate (8), the buffer plate (8) is slidably arranged in the buffer groove (9), the middle part of the inner side of the buffer groove (9) is fixedly connected with a main buffer spring (10), the upper end of the main buffer spring (10) is fixedly connected with the buffer plate (8), the lower surface of the buffer plate (8) is provided with a press ring (11), the inner wall of the buffer groove (9) is fixedly connected with an auxiliary buffer spring (12), one end of the auxiliary buffer spring (12) is fixedly connected with a sliding block (13), and the sliding block (13) is located between the compression rings (11).
2. The hoisting device for bridge installation according to claim 1, wherein: a fixed plate (5) and a sliding plate (6) are welded between the hoisting frames (1), one end of the sliding plate (6) is inserted into the fixed plate (5), threaded holes are correspondingly formed in the surfaces of the fixed plate (5) and the sliding plate (6), and a fixing bolt is screwed in the threaded holes.
3. The hoisting device for bridge installation according to claim 1, wherein: the contact surface of the press ring (11) and the sliding block (13) is an inclined surface with forty-five degrees.
4. The hoisting device for bridge installation according to claim 1, wherein: the lower side of the movable seat (4) is provided with a track, and the track laying device is arranged on the ground at the use position.
5. The hoisting device for bridge installation according to claim 1, wherein: the electric hoist (3) is provided with a hoisting steel cable, and the lower end of the steel cable is provided with a bridge hoisting clamp.
6. The hoisting device for bridge installation according to claim 1, wherein: the upper side of the beam (2) is provided with a movable motor, the output end of the movable motor is fixedly connected with an adjusting screw rod, a screw rod nut is sleeved on the adjusting screw rod, and the screw rod nut is fixedly connected with the electric hoist (3).
7. The hoisting device for bridge installation according to claim 1, wherein: the outer side of the main buffer spring (10) is provided with a telescopic sleeve, the telescopic sleeve comprises a fixed sleeve and a sliding sleeve, and one end of the sliding sleeve is slidably mounted in the fixed sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911206586.6A CN112875502A (en) | 2019-11-29 | 2019-11-29 | Hoisting device for bridge installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911206586.6A CN112875502A (en) | 2019-11-29 | 2019-11-29 | Hoisting device for bridge installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112875502A true CN112875502A (en) | 2021-06-01 |
Family
ID=76039121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911206586.6A Pending CN112875502A (en) | 2019-11-29 | 2019-11-29 | Hoisting device for bridge installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112875502A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002104773A (en) * | 2000-09-29 | 2002-04-10 | Ishikawajima Harima Heavy Ind Co Ltd | Base isolation structure of running crane |
| JP2004115179A (en) * | 2002-09-25 | 2004-04-15 | Mitsubishi Heavy Ind Ltd | Mobile unit crane, and bridge erection method |
| US20070095777A1 (en) * | 2005-10-31 | 2007-05-03 | Wierzba Jerry J | Powered auxiliary hoist mechanism for a gantry crane |
| JP2016172608A (en) * | 2015-03-17 | 2016-09-29 | Ｉｈｉ運搬機械株式会社 | Seismic isolated structure for rail type travel machine |
| CN109518610A (en) * | 2018-12-20 | 2019-03-26 | 中海外交通建设有限公司 | A kind of high intensity bridge construction anti-drop device |
| CN208932818U (en) * | 2018-10-08 | 2019-06-04 | 西南科技大学 | A kind of suspender of rolling-mill housing installation |
-
2019
- 2019-11-29 CN CN201911206586.6A patent/CN112875502A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002104773A (en) * | 2000-09-29 | 2002-04-10 | Ishikawajima Harima Heavy Ind Co Ltd | Base isolation structure of running crane |
| JP2004115179A (en) * | 2002-09-25 | 2004-04-15 | Mitsubishi Heavy Ind Ltd | Mobile unit crane, and bridge erection method |
| US20070095777A1 (en) * | 2005-10-31 | 2007-05-03 | Wierzba Jerry J | Powered auxiliary hoist mechanism for a gantry crane |
| JP2016172608A (en) * | 2015-03-17 | 2016-09-29 | Ｉｈｉ運搬機械株式会社 | Seismic isolated structure for rail type travel machine |
| CN208932818U (en) * | 2018-10-08 | 2019-06-04 | 西南科技大学 | A kind of suspender of rolling-mill housing installation |
| CN109518610A (en) * | 2018-12-20 | 2019-03-26 | 中海外交通建设有限公司 | A kind of high intensity bridge construction anti-drop device |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210810 Address after: Hunan business culture and Technology Industrial Park Management Committee Applicant after: HUNAN ZHONGNAN BRIDGE EQUIPMENT MANUFACTURING Co.,Ltd. Address before: 418000 room 406, 4th floor, management committee of Xiangshang culture and Technology Industrial Park, Huaihua (Chinese side), Huaihua City, Hunan Province Applicant before: HUNAN ZHONGNAN BRIDGE INSTALLATION ENGINEERING Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210601 |