CN210313235U - Bridge pier crane for constructing sea-crossing bridge - Google Patents
Bridge pier crane for constructing sea-crossing bridge Download PDFInfo
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- CN210313235U CN210313235U CN201921016133.2U CN201921016133U CN210313235U CN 210313235 U CN210313235 U CN 210313235U CN 201921016133 U CN201921016133 U CN 201921016133U CN 210313235 U CN210313235 U CN 210313235U
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- base
- fixing frame
- support
- pier
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Abstract
The utility model relates to a bridge construction is with lifting machine technical field specifically is a pier lifting machine for crossing sea bridge construction usefulness, including the base, four mounting grooves of linear distribution are seted up to the up end of base, and the up end left side of base is provided with four hoists corresponding with the mounting groove, and the up end right side of base is provided with the three baffle of linear distribution, and the up end rear end of base is provided with driving motor, and the right-hand member of base is provided with the mount, and beneficial effect is: the utility model discloses a set up the spout on the mount, utilize the cooperation of spout and telescopic link, realize the restriction to the pier rocking position, utilize the support effect of telescopic link to cushion the rocking inertia of pier for the pier realizes stewing fast; the four ropes are arranged to simultaneously lift the bridge pier, so that the stress of the bridge pier is more uniform, the stability of the bridge pier in the lifting process is better, and multiple safety protectiveness is provided.
Description
Technical Field
The utility model relates to a crane technical field is used in the bridge construction, specifically is a pier crane for cross-sea bridge construction usefulness.
Background
The crane controls the length of a rope for pulling a heavy object by utilizing the winding effect of the winch, and further controls the position of the heavy object. In the process of constructing the cross-sea bridge, the bridge piers are difficult to transport by manpower due to the large weight of the bridge piers, so that the bridge piers need to be transported by utilizing a crane. The prior lifting machine has the following defects in the transportation process:
1. due to the fact that the weight of the bridge pier is too heavy, the bridge pier can shake left and right in the stretching movement of the rope, the inertia of the bridge pier is large due to the weight of the bridge pier, when the bridge pier is transported to a specified position, the bridge pier is difficult to stop shaking in a short time, and construction efficiency is further affected;
2. because the pier is heavy, the crane connected by a single rope is difficult to keep balance in the hoisting process, and meanwhile, the safety performance is low;
3. when the pier is transported to a designated position, the adjustment of the position is difficult to realize due to the large size of the pier, so that the installation precision is influenced.
Therefore, the bridge pier crane for constructing the sea-crossing bridge is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pier crane for striding sea bridge construction usefulness to solve the problem that provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a bridge pier hoisting machine for cross-sea bridge construction comprises a base, wherein four mounting grooves are formed in the upper end face of the base in linear distribution, four winches corresponding to the mounting grooves are arranged on the left side of the upper end face of the base, three partition plates in linear distribution are arranged on the right side of the upper end face of the base, a driving motor is arranged at the rear end of the upper end face of the base, an upper fixing frame is arranged at the right end of the base, the front end of the driving motor is rotatably connected with a rotating shaft, a first support is vertically and fixedly mounted on the upper end face of the mounting groove, four second supports in linear distribution are fixedly sleeved on the outer wall of the rotating shaft, and the second supports correspond to the first supports one to one;
the upper end face of the upper fixing frame is provided with four first hanging rings which are linearly distributed, the lower end of the upper fixing frame is provided with a lower fixing frame, the upper fixing frame and the lower fixing frame are connected through a steel wire pull rope, a sliding groove is formed in the front vertical rod and the rear vertical rod of the left end face of the upper fixing frame, and a telescopic rod is slidably arranged inside the sliding groove.
Preferably, the vertical front end of the rotating shaft extends, the rotating shaft sequentially penetrates through the three partition plates, the front end of the rotating shaft extends to the front end face of the base, and the front end of the rotating shaft is rotatably installed in the front end inner cavity of the base through the bearing cover.
Preferably, a second rotating groove is formed in the upper end face of the first support, the second rotating groove penetrates through the left end face and the right end face of the first support, and a second fixed pulley is rotatably mounted in an inner cavity of the second rotating groove.
Preferably, the lower extreme of second support is perpendicular welding at circular arc base cambered surface outer wall, and first rotating groove has been seted up to the up end of second support, separates through the baffle between the adjacent second support, and the height of second support is the twice of first support height, first rotating groove runs through the second support, and first fixed pulley is installed in the inner chamber rotation of first rotating groove, the through-hole has been seted up in the middle of the preceding terminal surface of circular arc base, the inner wall of through-hole is fixed the outer wall of pegging graft at the pivot.
Preferably, four end faces of the upper fixing frame are provided with reinforcing rib plates which are staggered with each other. The four corner positions of the lower end face of the upper fixing frame and the upper end face of the lower fixing frame are fixedly welded with second hanging rings, and the upper fixing frame and the lower fixing frame are fixedly connected through the matching of the second hanging rings and the steel wire pull rope.
Preferably, the front end face and the rear end face of the base are fixedly and vertically welded with bolts corresponding to the sliding grooves, the left end and the right end of each bolt are provided with limiting blocks in rectangular protruding shapes which are symmetrical to each other, and the outer wall of each bolt is fixedly inserted into the left end of the telescopic rod.
Preferably, the first hanging rings are fixedly welded on the upper end face of the upper fixing frame, and the four first hanging rings which are linearly distributed correspond to the first fixed pulleys and the second fixed pulleys one to one.
Preferably, the right end face of the telescopic rod is provided with a T-shaped sliding block corresponding to the outline of the inner cavity of the sliding groove, the left end of the telescopic rod is provided with a jack, the telescopic rod is slidably mounted in the inner cavity of the sliding groove through the T-shaped sliding block, and the left end and the right end of the jack are provided with limiting grooves corresponding to the limiting blocks.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up the spout on the mount, utilize the cooperation of spout and telescopic link, realize the restriction to the pier rocking position, utilize the support effect of telescopic link to cushion the rocking inertia of pier for the pier realizes stewing fast;
2. the utility model has the advantages that the four ropes are arranged to simultaneously lift the bridge pier, so that the stress of the bridge pier is more uniform, the stability of the bridge pier is better in the lifting process, and multiple safety protectiveness is provided;
3. the utility model discloses a set up driving motor and drive the second support rotation, realize pier mounted position's coarse adjustment, utilize the telescopic link to realize pier mounted position's fine adjustment, utilize the cooperation of telescopic link upper shoe and spout, realize the perpendicular steady decline of pier.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the telescopic rod of the present invention;
FIG. 3 is a schematic view of the three-dimensional structure of the fixing frame of the present invention;
fig. 4 is a schematic perspective view of a second bracket according to the present invention;
fig. 5 is a schematic structural view of a first bracket according to the present invention;
fig. 6 is a schematic view of the three-dimensional structure of the base of the present invention.
In the figure: the hoisting machine comprises a base 1, a hoisting machine 2, a mounting groove 3, a first support 4, a second support 5, an upper fixing frame 6, a first hanging ring 7, a lower fixing frame 8, a second hanging ring 9, a steel wire rope 10, a telescopic rod 11, a sliding block 12T-shaped, a jack 13, a limiting groove 14, a reinforcing rib plate 15, a sliding groove 16, a circular arc base 17, a through hole 18, a first rotating groove 19, a first fixed pulley 20, a second rotating groove 21, a second fixed pulley 22, a driving motor 23, a partition plate 24, a rotating shaft 25, a bearing cover 26, a limiting block 27 and a bolt 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution:
the utility model provides a pier crane for striding sea bridge construction usefulness, includes base 1, and four mounting grooves 3 that linear distribution was seted up to base 1's up end utilize mounting groove 3, realize with first support 4 vertical fixation at the inner chamber up end of mounting groove 3, and then accomplish the installation of first support 4.
The second rotation groove 21 has all been seted up to the up end of four first supports 4, and the second rotates groove 21 and runs through the terminal surface about first support 4, utilizes second rotation groove 21 to rotate installation second fixed pulley 22.
Four winches 2 corresponding to the mounting groove 3 are arranged on the left side of the upper end face of the base 1, and a second fixed pulley 22 is used for connecting tensile ropes of the winches 2.
The up end rear end of base 1 is provided with driving motor 23, driving motor 23's front end rotates and is connected with pivot 25, the fixed cover of outer wall of pivot 25 has connect four second supports 5 of linear distribution, the lower extreme vertical welding of second support 5 is at circular arc base 17 cambered surface outer wall, through-hole 18 has been seted up in the middle of the preceding terminal surface of circular arc base 17, the fixed outer wall of pegging graft at pivot 25 of inner wall of through-hole 18, utilize circular arc base 17 and pivot 25, realize being connected between second support 5 and the driving motor 23.
The height of the second support 5 is twice the height of the first supports 4, the four second supports 5 correspond to the four first supports 4 in linear distribution one to one, and the rough adjustment of the left and right positions of the bridge pier is achieved by using the height difference between the second supports 5 and the first supports 4.
The perpendicular front end that extends of pivot 25, three baffle 24 of passing in proper order of pivot 25, the front end of pivot 25 extends to the preceding terminal surface of base 1, and the front end of pivot 25 passes through bearing cap 26 and rotates and install in the front end inner chamber of base 1, utilizes pivot 25 to drive second support 5 and rotates, and then realizes the lateral motion of pier.
The right-hand member of base 1 is provided with upper fixed frame 6, and the up end of upper fixed frame 6 is provided with four first links 7 of linear distribution, and the fixed welding of first link 7 is at the up end of upper fixed frame 6, and four first links 7 of linear distribution and first fixed pulley 20, second fixed pulley 22 one-to-one, utilize first link 7 to connect hoist engine 2's tensile rope, and first fixed pulley 20 and second fixed pulley 22 are passed in proper order to the interlude of tensile rope.
Four end faces of the upper fixing frame 6 are provided with reinforcing rib plates 15 which are staggered with each other, the strength of the upper fixing frame 6 is improved by using the reinforcing rib plates 15, and the safety of the fixing frame is further improved.
The equal fixed welding in four corner positions of terminal surface and the lower mount 8 up end has second link 9 under the upper fixing frame 6, the lower extreme of upper fixing frame 6 is provided with down mount 8, and be connected through steel wire stay cord 10 between upper fixing frame 6 and the lower mount 8, upper fixing frame 6 passes through the cooperation fixed connection of second link 9 with steel wire stay cord 10 with lower mount 8, utilize the distance between steel wire stay cord 10 control upper fixing frame 6 and lower mount 8, and then the inside volume size of control mount, make the mount be applicable to not equidimension pier fixed.
The upper fixing frame 6 is provided with a sliding groove 16 on the front and rear vertical rods at the left end face, a telescopic rod 11 is slidably mounted inside the sliding groove 16, a T-shaped sliding block 12 corresponding to the outline of an inner cavity of the sliding groove 16 is arranged on the right end face of the telescopic rod 11, the telescopic rod 11 is slidably mounted in the inner cavity of the sliding groove 16 through the T-shaped sliding block 12, and telescopic connection between the base 1 and the upper fixing frame 6 is achieved
The front end face and the rear end face of the base 1 are perpendicularly welded with the bolts 28 in the fixed position corresponding to the sliding grooves 16, the left end and the right end of each bolt 28 are provided with limiting blocks 27 which are symmetrical to each other and are in the shape of rectangular protrusions, the left end of the telescopic rod 11 is provided with a jack 13, the left end and the right end of the jack 13 are provided with limiting grooves 14 corresponding to the limiting blocks 27, the left end of the telescopic rod 11 is fixedly connected to the front end face of the base 1 through the jacks and the bolts in a matched mode, the limiting blocks 27 are used for controlling the rotation of the telescopic rod 11.
The working principle is as follows: at first place the pier between mount 6 and mount 8 down, utilize steel wire stay cord 10 control mount 6 and the distance between mount 8 down, and then the inside volume size of control mount, it is fixed to make the mount be applicable to the pier of different size and size, pass first fixed pulley 20 and second fixed pulley 22 with tensile rope on hoist engine 2 in proper order, the other end of the tensile rope on hoist engine 2 is connected on first link 7, utilize the up-and-down motion of hoist engine 2 control pier, the realization is hoisted the pier.
When the pier is transported to the installation position, the driving motor 23 is started, the driving motor 23 is utilized to drive the rotating shaft 25 to rotate, the rotating shaft 25 drives the second support 5 to rotate, the second support 5 rotates and extends towards the right side, the rough adjustment of the left and right positions of the pier is realized by utilizing the height difference between the second support 5 and the first support 4, when the lower end of the upper fixing frame 6 is positioned at the horizontal position, the telescopic rod 11 inserted on the sliding groove 16 of the upper fixing frame 6 is inserted in the outer wall of the bolt 28 in parallel, the limitation of the rotating angle of the telescopic rod 11 is realized by utilizing the matching of the limiting block 27 and the limiting groove 14, the movement of the left and right positions of the upper fixing frame 6 is realized by controlling the length of the telescopic rod 11, the fine adjustment of the left and right positions of the pier is controlled by utilizing the telescopic rod 11, the shaking inertia of the pier is buffered by utilizing the supporting function of, at the moment, the pier is positioned right above the installation position, the length of the telescopic rod 11 is fixed, the upper fixing frame 6 is enabled to vertically descend under the matching of the T-shaped sliding block 12 and the sliding groove 16, and the installation precision is further improved.
In the hoisting process, the pier is lifted by utilizing the first supports 4 and the second supports 5 at the same time, so that the stress of the pier is more uniform, the stability of the pier in the lifting process is better, and multiple safety protectiveness is provided
The driving motor 23 adopts the following models: YZR series heavy hoisting motor, the telescopic link 11 adopts the model to be: DT/DYT series heavy industrial electric push rod.
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 pier crane for striding sea bridge construction usefulness, includes base (1), its characterized in that: the upper end face of the base (1) is provided with four mounting grooves (3) which are linearly distributed, the left side of the upper end face of the base (1) is provided with four winches (2) corresponding to the mounting grooves (3), the right side of the upper end face of the base (1) is provided with three partition plates (24) which are linearly distributed, the rear end of the upper end face of the base (1) is provided with a driving motor (23), the right end of the base (1) is provided with an upper fixing frame (6), the front end of the driving motor (23) is rotatably connected with a rotating shaft (25), the upper end face of the mounting groove (3) is vertically and fixedly provided with a first support (4), the outer wall of the rotating shaft (25) is fixedly sleeved with four second supports (5) which are linearly distributed, and the second supports (5) correspond to the first;
the upper end face of the upper fixing frame (6) is provided with four first hanging rings (7) which are linearly distributed, the lower end of the upper fixing frame (6) is provided with a lower fixing frame (8), the upper fixing frame (6) and the lower fixing frame (8) are connected through a steel wire pull rope (10), a sliding groove (16) is formed in the front vertical rod and the rear vertical rod of the left end face of the upper fixing frame (6), and a telescopic rod (11) is slidably mounted inside the sliding groove (16).
2. The bridge pier crane for constructing the sea-crossing bridge according to claim 1, wherein: the front end of pivot (25) extends forward perpendicularly, and three baffle (24) are passed in proper order to the interlude of pivot (25), and the front end of pivot (25) extends to the preceding terminal surface of base (1), and the front end of pivot (25) passes through bearing cap (26) and rotates and install in the front end inner chamber of base (1).
3. The bridge pier crane for constructing the sea-crossing bridge according to claim 1, wherein: a second rotating groove (21) is formed in the upper end face of the first support (4), the second rotating groove (21) penetrates through the left end face and the right end face of the first support (4), and a second fixed pulley (22) is installed in the inner cavity of the second rotating groove (21) in a rotating mode.
4. The bridge pier crane for constructing the sea-crossing bridge according to claim 1, wherein: the lower extreme vertical welding of second support (5) is at circular arc base (17) cambered surface outer wall, and first rotating groove (19) have been seted up to the up end of second support (5), separates through baffle (24) between adjacent second support (5), and the height of second support (5) is the twice of first support (4) height, first rotating groove (19) run through second support (5), and first fixed pulley (20) are installed in the inner chamber rotation of first rotating groove (19), through-hole (18) have been seted up in the middle of the preceding terminal surface of circular arc base (17), the fixed outer wall of pegging graft in pivot (25) of inner wall of through-hole (18).
5. The bridge pier crane for constructing the sea-crossing bridge according to claim 1, wherein: four end faces of the upper fixing frame (6) are provided with reinforcing rib plates (15) which are staggered with each other, second hanging rings (9) are fixedly welded at four corner positions of the lower end face of the fixed frame (6) and the upper end face of the lower fixing frame (8), and the upper fixing frame (6) and the lower fixing frame (8) are fixedly connected with the steel wire pull rope (10) through the second hanging rings (9).
6. The bridge pier crane for constructing the sea-crossing bridge according to claim 1, wherein: the front end face and the rear end face of the base (1) are fixedly and vertically welded with bolts (28) corresponding to the sliding grooves (16), limiting blocks (27) which are symmetrical to each other and are in rectangular protruding shapes are arranged at the left end and the right end of each bolt (28), and the outer wall of each bolt (28) is fixedly inserted into the left end of the corresponding telescopic rod (11).
7. The bridge pier crane for constructing the sea-crossing bridge according to claim 1, wherein: the first hanging rings (7) are fixedly welded on the upper end face of the upper fixing frame (6), and the four first hanging rings (7) which are linearly distributed correspond to the first fixed pulleys (20) and the second fixed pulleys (22) one to one.
8. The bridge pier crane for constructing the sea-crossing bridge according to claim 1, wherein: the right-hand member face of telescopic link (11) is provided with T shape slider (12) with spout (16) inner chamber profile matched with, and jack (13) have been seted up to the left end of telescopic link (11), and telescopic link (11) are through the inner chamber of T shape slider (12) slidable mounting in spout (16), spacing groove (14) corresponding with stopper (27) have been seted up at both ends about jack (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921016133.2U CN210313235U (en) | 2019-07-02 | 2019-07-02 | Bridge pier crane for constructing sea-crossing bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921016133.2U CN210313235U (en) | 2019-07-02 | 2019-07-02 | Bridge pier crane for constructing sea-crossing bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210313235U true CN210313235U (en) | 2020-04-14 |
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ID=70147832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921016133.2U Expired - Fee Related CN210313235U (en) | 2019-07-02 | 2019-07-02 | Bridge pier crane for constructing sea-crossing bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210313235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255394A (en) * | 2019-07-02 | 2019-09-20 | 中建八局第二建设有限公司 | A bridge pier hoist used for bridge construction of a cross-sea bridge |
-
2019
- 2019-07-02 CN CN201921016133.2U patent/CN210313235U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255394A (en) * | 2019-07-02 | 2019-09-20 | 中建八局第二建设有限公司 | A bridge pier hoist used for bridge construction of a cross-sea bridge |
| CN110255394B (en) * | 2019-07-02 | 2024-03-22 | 中建八局第二建设有限公司 | Bridge pier crane for construction of cross-sea bridge |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 |
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| CF01 | Termination of patent right due to non-payment of annual fee |