CN215047953U - Butt joint positioning device for hoisting prefabricated box girder - Google Patents
Butt joint positioning device for hoisting prefabricated box girder Download PDFInfo
- Publication number
- CN215047953U CN215047953U CN202121689911.1U CN202121689911U CN215047953U CN 215047953 U CN215047953 U CN 215047953U CN 202121689911 U CN202121689911 U CN 202121689911U CN 215047953 U CN215047953 U CN 215047953U
- Authority
- CN
- China
- Prior art keywords
- support frame
- threaded rod
- box girder
- butt joint
- threaded
- 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.)
- Active
Links
Images
Landscapes
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model relates to a interfacing apparatus technical field provides a butt joint positioner for prefabricated case roof beam hoist and mount, including support frame, stopper and the piece that lifts by crane, the inside intermediate position department of support frame is provided with adjustment mechanism, and adjustment mechanism includes threaded rod, threaded block and servo motor, and the threaded rod sets up in the inside intermediate position department of support frame, and the both sides of threaded rod are all overlapped and are equipped with the threaded block, and servo motor is installed to one side of support frame, and the main shaft of servo motor one side runs through the outer wall that runs through in the support frame and extends to inside and threaded rod fixed connection. The utility model discloses a be provided with adjustment mechanism, drive the threaded rod through starting servo motor and rotate, the stopper that can adjusting threaded rod both sides removes, adjusts the size of its interval through the removal of adjusting the stopper, can make stopper and different case roof beam width just correspond to make the stopper can dock the location to the case roof beam better, thereby improved the practicality.
Description
Technical Field
The utility model relates to a interfacing apparatus technical field, in particular to a butt joint positioner for hoist and mount of prefabricated case roof beam.
Background
Along with the continuous progress of scientific level, the living standard of people is continuously improved, urban roads are developed vigorously, bridge engineering construction is an important component, when a crane is used for hoisting box girders in bridge construction, the position and angle of the box girders during placement are affected due to shaking of the box girders during movement, and the construction process is seriously affected, so that in order to solve the problems, a butt joint positioning device for hoisting prefabricated box girders is needed, the box girders can be placed in the butt joint positioning device and can be accurately butt joint positioned, and when the crane is used, the box girders can be stably moved to the required position only by directly hoisting the device;
for this reason, patent publication No. CN211920653U discloses a precast box girder hoisting and positioning device. The crane; the lifting plate assembly is fixed at the bottom of the crane and comprises a lifting plate, and a first groove is formed in the lifting plate; the driving assembly is arranged on the hanging plate and comprises a rotating shaft. The utility model provides a precast box girder hoist and mount positioner has fixedly connected with axis of rotation on the hanger plate, rotate the axis of rotation through the first in command and drive gear operation in step, the right side meshing driven rack of drive gear, set up the second recess on the driven rack, be provided with the gag lever post between second recess and hanger plate, and be provided with the pin below the gag lever post, be provided with locating component between beam slab and mounting panel, make the beam slab can not appear rocking in the process that loop wheel machine 1 hoisted, reduced the loop wheel machine need hoist repeatedly to adjust the position that the beam slab falls, accelerated the job schedule and reduced construction cost;
the above prior art solutions have the following drawbacks: when the positioning device is used, the adjustment of the distance between the limiting plates is often lack, so that the positioning device cannot perform corresponding adjustment according to the width of the box girder, and the positioning device cannot meet the use requirements of hoisting different types of box girders.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at providing a butt joint positioner for hoist and mount of prefabricated case roof beam for solve the current butt joint positioner who is used for hoist and mount of prefabricated case roof beam and lack the defect to interval adjustment between the limiting plate.
(II) contents of utility model
In order to solve the technical problem, the utility model provides a following technical scheme: a butt joint positioning device for hoisting a prefabricated box girder comprises a support frame, a limiting block and a hoisting block, wherein an adjusting mechanism is arranged at the middle position inside the support frame and comprises a threaded rod, a threaded block and a servo motor, the threaded rod is arranged at the middle position inside the support frame, the threaded block is sleeved on each of two sides of the threaded rod, the servo motor is installed on one side of the support frame, and a main shaft on one side of the servo motor penetrates through the outer wall of the support frame and extends into the support frame to be fixedly connected with the threaded rod;
limiting blocks are arranged on two sides of the top end of the supporting frame, and an auxiliary structure is arranged on one side inside each limiting block;
the four corners at the top of the supporting frame are provided with lifting blocks, and the middle position of the top end of the supporting frame is provided with an anti-skid structure.
Preferably, the outer part of the threaded rod is provided with an external thread, the inner part of the thread block is provided with an internal thread, and the threaded rod and the thread block form a thread structure.
Preferably, the limiting blocks are arranged in two groups, and the limiting blocks are symmetrically distributed about the vertical middle axis of the supporting frame.
Preferably, the auxiliary structure comprises a built-in cavity, a rotating shaft and a connecting block, and the built-in cavity is arranged on the limiting block. And on one side of the inside, connecting blocks are fixed at two ends of the rotating shaft, and one end of each connecting block is fixedly connected with the inner wall of the built-in cavity.
Preferably, a rotating shaft is arranged inside the built-in cavity, and the inner diameter of the built-in cavity is smaller than the outer diameter of the rotating shaft.
Preferably, the anti-slip structure includes slipmat, anti-slip particles and mounting groove, the mounting groove is seted up in the intermediate position department on support frame top, the internally mounted of mounting groove has the slipmat, the top of slipmat is fixed with anti-slip particles.
Preferably, the anti-slip particles are arranged in a plurality and are arranged on the top of the anti-slip mat at equal intervals.
(III) advantageous effects
The utility model provides a pair of a butt joint positioner for hoist and mount of prefabricated box girder, its advantage lies in: the adjusting mechanism is arranged, the servo motor is started to drive the threaded rod to rotate, the limiting blocks on two sides of the threaded rod can be adjusted to move, the size of the distance between the limiting blocks is adjusted by adjusting the movement of the limiting blocks, the limiting blocks can be in positive correspondence with different box girder widths, and the limiting blocks can better butt joint and position the box girders, so that the practicability is improved;
by arranging the auxiliary structure and utilizing the rotating shaft on one side of the limiting block, when the box girder is placed at the middle position of the top of the support frame, the rotating shafts are in contact with the left side and the right side of the box girder and are driven to rotate through friction force, so that the limiting block can be prevented from being damaged due to the fact that the box girder directly contacts the limiting block and the friction force is too large, and the applicability is improved;
through being provided with anti-skidding structure, when the case roof beam was placed in the support frame top, the case roof beam bottom was direct and the slipmat contact, and the slipmat can effectively increase the frictional force between case roof beam and the support frame, can prevent through increase frictional force that the case roof beam from placing when the support frame top removes, can not lead to coming off from its top because of the frictional force undersize to the stability of placing has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic top view of the partial structure of the present invention;
FIG. 3 is a schematic front sectional view of the auxiliary structure of the present invention;
fig. 4 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;
fig. 5 is a schematic view of the auxiliary structure of the present invention in front view with a partial section.
The reference numerals in the figures illustrate: 1. a support frame; 2. an adjustment mechanism; 201. a threaded rod; 202. a thread block; 203. a servo motor; 3. a limiting block; 4. lifting the block; 5. an auxiliary structure; 501. a cavity is arranged inside; 502. a rotating shaft; 503. connecting blocks; 6. an anti-slip structure; 601. a non-slip mat; 602. anti-skid particles; 603. and (4) mounting the groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the utility model provides a butt joint positioning device for hoisting a prefabricated box girder, which comprises a support frame 1, a limiting block 3 and a hoisting block 4, wherein an adjusting mechanism 2 is arranged at the middle position inside the support frame 1, the adjusting mechanism 2 comprises a threaded rod 201, a threaded block 202 and a servo motor 203, the threaded rod 201 is arranged at the middle position inside the support frame 1, the threaded block 202 is sleeved on both sides of the threaded rod 201, the servo motor 203 is arranged on one side of the support frame 1, the type of the servo motor 203 can be MR-J2S-20A, a main shaft on one side of the servo motor 203 penetrates through the outer wall of the support frame 1 and extends to the inside to be fixedly connected with the threaded rod 201, the limiting block 3 is arranged on both sides of the top end of the support frame 1, an auxiliary structure 5 is arranged on one side inside the limiting block 3, the hoisting blocks 4 are arranged on four corners of the top of the support frame 1, an anti-skid structure 6 is arranged in the middle of the top end of the support frame 1;
the external part of the threaded rod 201 is provided with external threads, the internal part of the threaded block 202 is provided with internal threads, and the threaded rod 201 and the threaded block 202 form a threaded structure;
two groups of limiting blocks 3 are arranged, and the limiting blocks 3 are symmetrically distributed about a vertical central axis of the support frame 1;
when the structure is used, the servo motor 203 is started to drive the threaded rod 201 to rotate, the threaded rod 201 and the threaded block 202 form a threaded structure, the threaded block 202 can be driven to move by rotating the threaded rod 201, so that the limiting block 3 fixedly connected with the threaded block 202 is driven to move, the distance between the limiting blocks 3 can be adjusted by adjusting the movement of the limiting blocks 3, the distance between the limiting blocks 3 can be in positive correspondence with the widths of different box girders, and the butt joint requirements of different box girders are met;
the auxiliary structure 5 comprises a built-in cavity 501, a rotating shaft 502 and a connecting block 503, wherein the built-in cavity 501 is arranged on the limiting block 3. On one side of the inside, both ends of the rotating shaft 502 are fixed with connecting blocks 503, and one end of the connecting block 503 is fixedly connected with the inner wall of the built-in cavity 501;
a rotating shaft 502 is arranged in the built-in cavity 501, and the inner diameter of the built-in cavity 501 is smaller than the outer diameter of the rotating shaft 502;
when the structure is used, when a box girder is placed in the middle of the top of the support frame 1, the rotating shaft 502 can leak out of the built-in cavity 501 because the inner diameter of the built-in cavity 501 is smaller than the outer diameter of the rotating shaft 502, the rotating shaft 502 in the built-in cavity 501 directly contacts with the left side and the right side of the box girder when the box girder is placed, and the box girder can be placed more conveniently under the action of the rotation of the rotating shaft 502 when the rotating shaft 502 isolates the box girder from directly contacting the limiting block 3 under the action of the friction force of the outer wall of the box girder;
the anti-skid structure 6 comprises an anti-skid pad 601, anti-skid particles 602 and a mounting groove 603, wherein the mounting groove 603 is arranged in the middle of the top end of the support frame 1, the anti-skid pad 601 is mounted in the mounting groove 603, and the anti-skid particles 602 are fixed on the top of the anti-skid pad 601;
a plurality of anti-skid particles 602 are arranged, and the anti-skid particles 602 are arranged on the top of the anti-skid pad 601 at equal intervals;
when using this structure, the case roof beam is placed in support frame 1 top, and its bottom is direct and slipmat 601 contact, and slipmat 601 can effectively increase the frictional force between case roof beam and the support frame 1, and wherein the antiskid granule 602 of equidistant range in slipmat 601 surface can have better with holding the effect to the frictional force that slipmat 601 produced, through the frictional force of increase case roof beam and support frame 1 contact surface, can effectually prevent being hung away from the time of the quilt of case roof beam, can not lead to coming off from support frame 1 top because of the frictional force undersize.
The working principle is as follows: when the box girder is used, firstly, when the box girder is installed, the distance between the limiting blocks 3 needs to be adjusted to ensure that the box girder can be attached to the size of the box girder, only the servo motor 203 needs to be started, the servo motor 203 can drive the threaded rod 201 to rotate, because the threaded rod 201 is in threaded connection with the threaded blocks 202, and because the threads on the two sides of the threaded rod 201 are opposite threads, when the threaded rod 201 rotates, the threaded blocks 202 on the two sides can simultaneously move to the middle position or the two side positions, the distance between the threaded blocks 202 is adjusted by rotating the threaded rod 201, and meanwhile, the distance between the limiting blocks 3 fixedly connected to the tops of the threaded blocks 202 can also change along with the rotation, and after the distance is adjusted to the proper distance position, the servo motor 203 is closed;
secondly, when the box girder is hung at the top of the support frame 1, two sides of the box girder are directly contacted with the rotating shaft 502, the rotating shaft 502 can rotate under the action of friction force of the outer wall of the box girder, the friction force between the box girder and the rotating shaft 502 can be reduced while the rotating shaft 502 rotates, the box girder can be quickly placed at the top of the support frame 1, the outer wall of the box girder is prevented from being directly contacted with the limiting block 3 by using the rotating shaft 502, and the problem that the limiting block 3 is damaged due to the action of friction force of the contact surface of the box girder when the box girder is directly contacted with the limiting block 3 is effectively solved;
finally, hang the couple of tower crane on the link of lifting by crane piece 4, can lift support frame 1, in the in-process of lifting by crane, the case bottom of the beam is direct to contact with slipmat 601, slipmat 601 can effectively increase the frictional force between case roof beam and support frame 1, recycle the skid-resistant granule 602 on slipmat 601 surface can be better strengthen the effect of slipmat 601 increase frictional force, through the frictional force of increase support frame 1 and case roof beam bottom contact surface, can effectually prevent that the case roof beam when hoist, can not take place the phenomenon of droing from support frame 1 top because of with the less condition of support frame 1 top frictional force, the final use work of this a butt joint positioner who is used for prefabricated case roof beam hoist and mount of accomplishing.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides a butt joint positioner for hoist and mount of prefabricated box girder, includes support frame (1), stopper (3) and lifts by crane piece (4), its characterized in that: the adjustable support is characterized in that an adjusting mechanism (2) is arranged in the middle of the inside of the support frame (1), the adjusting mechanism (2) comprises a threaded rod (201), a threaded block (202) and a servo motor (203), the threaded rod (201) is arranged in the middle of the inside of the support frame (1), the threaded block (202) is sleeved on each of two sides of the threaded rod (201), the servo motor (203) is installed on one side of the support frame (1), and a main shaft on one side of the servo motor (203) penetrates through the outer wall of the support frame (1) and extends to the inside to be fixedly connected with the threaded rod (201);
both sides of the top end of the support frame (1) are provided with limit blocks (3), and one side inside each limit block (3) is provided with an auxiliary structure (5);
four corners at the top of the support frame (1) are provided with lifting blocks (4), and the middle position of the top end of the support frame (1) is provided with an anti-skid structure (6).
2. The butt joint positioning device for hoisting the precast box girder according to claim 1, characterized in that: the external part of the threaded rod (201) is provided with external threads, the internal part of the threaded block (202) is provided with internal threads, and the threaded rod (201) and the threaded block (202) form a threaded structure.
3. The butt joint positioning device for hoisting the precast box girder according to claim 1, characterized in that: the limiting blocks (3) are arranged in two groups, and the limiting blocks (3) are symmetrically distributed about the vertical middle axis of the support frame (1).
4. The butt joint positioning device for hoisting the precast box girder according to claim 1, characterized in that: the auxiliary structure (5) comprises a built-in cavity (501), a rotating shaft (502) and a connecting block (503), wherein the built-in cavity (501) is arranged on one side inside the limiting block (3), the connecting block (503) is fixed to both ends of the rotating shaft (502), and one end of the connecting block (503) is fixedly connected with the inner wall of the built-in cavity (501).
5. A butt joint positioning device for hoisting a precast box girder according to claim 4, wherein: a rotating shaft (502) is arranged in the built-in cavity (501), and the inner diameter of the built-in cavity (501) is smaller than the outer diameter of the rotating shaft (502).
6. The butt joint positioning device for hoisting the precast box girder according to claim 1, characterized in that: anti-skidding structure (6) are including slipmat (601), anti-skidding granule (602) and mounting groove (603), the intermediate position department on support frame (1) top is seted up in mounting groove (603), the internally mounted of mounting groove (603) has slipmat (601), the top of slipmat (601) is fixed with anti-skidding granule (602).
7. A butt joint positioning device for hoisting a precast box girder according to claim 6, characterized in that: the anti-slip particles (602) are arranged in a plurality, and the anti-slip particles (602) are arranged on the top of the anti-slip mat (601) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121689911.1U CN215047953U (en) | 2021-07-23 | 2021-07-23 | Butt joint positioning device for hoisting prefabricated box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121689911.1U CN215047953U (en) | 2021-07-23 | 2021-07-23 | Butt joint positioning device for hoisting prefabricated box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215047953U true CN215047953U (en) | 2021-12-07 |
Family
ID=79219152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121689911.1U Active CN215047953U (en) | 2021-07-23 | 2021-07-23 | Butt joint positioning device for hoisting prefabricated box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215047953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960436A (en) * | 2022-05-23 | 2022-08-30 | 郑州大学 | Assembled bridge building butt-joint equipment |
-
2021
- 2021-07-23 CN CN202121689911.1U patent/CN215047953U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960436A (en) * | 2022-05-23 | 2022-08-30 | 郑州大学 | Assembled bridge building butt-joint equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206751187U (en) | It is a kind of can be from the boom hoisting of four direction adjustment angle | |
| CN215047953U (en) | Butt joint positioning device for hoisting prefabricated box girder | |
| CN201334770Y (en) | Wall-attached supporting seat | |
| WO2023151702A1 (en) | Mounting device for hoisting rod pallet and hoisting rod nut of girder crane | |
| CN111320088A (en) | Hoisting equipment with good stability for installation of large-scale power equipment | |
| CN212503618U (en) | Multi-machine coordination steel frame column beam simultaneous hoisting system | |
| CN210084789U (en) | Small-size machine of lifting in civil engineering | |
| CN211034927U (en) | Assembled building hoist and mount frame | |
| CN211664533U (en) | Rotary lifting appliance for lifting segmental beam | |
| CN213326306U (en) | Full-rotation lifting appliance | |
| CN111017739A (en) | Hoisting and transporting equipment capable of preventing goods from swinging | |
| CN210260905U (en) | Hoist device is used in engineering machine tool maintenance | |
| CN214495495U (en) | Material hoisting equipment for road construction | |
| CN215160421U (en) | A high security hoisting machine constructs for electromechanical device installation | |
| CN206188193U (en) | Gallows has been used in prefabricated piping lane drawing of patterns | |
| CN212450236U (en) | Rotary lifting appliance | |
| CN214359779U (en) | Hoisting apparatus is used in cement wire pole production | |
| CN221319036U (en) | Continuous beam hanging basket cantilever crane lifting device | |
| CN216272816U (en) | Hoisting accessory is used in street lamp construction | |
| CN212101626U (en) | Balance lifting hook for horizontally lifting precast beam steel die | |
| CN214059644U (en) | A gallows for hoisting equipment | |
| CN212982263U (en) | Crane electric hoist walking device | |
| CN212924164U (en) | Stable gantry crane | |
| CN209481079U (en) | A kind of small lifting equipment being moved easily | |
| CN211920653U (en) | Prefabricated case roof beam hoist and mount positioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |