Skeleton with adjustable bridge is turned and is used
Technical Field
The utility model relates to the technical field of bridge rotators, in particular to an adjustable framework for a bridge rotator.
Background
The construction of the bridge swivel means that after the bridge swivel is manufactured and formed at a non-design axis position, the construction method is used for positioning the swivel, the construction method can convert the operation above an obstacle into operation on the shore or near the ground, according to the rotation direction of a bridge structure, the construction method can be divided into a vertical swivel construction method, a horizontal swivel construction method and a method combining horizontal swivel and vertical swivel, a swivel system of the swivel bridge consists of a lower turntable, an upper turntable, a spherical hinge, a slideway and a traction system, a positioning framework is required to be used as a foundation stone of the whole swivel system, the installation and positioning of the positioning framework have great influence on the subsequent swivel construction, and the bridge swivel with different specifications is required to be applied to the swivel system with different specifications, so that the swivel systems with different specifications are required to be customized according to different construction dimensions, the positioning frameworks with different specifications are required to be manufactured again, and time is wasted;
Publication number CN217810565U discloses a location skeleton that bridge was used at turning, including the skeleton body, the skeleton body is rectangular frame form, the department is equipped with a plurality of groups joint groove respectively all around of skeleton body, and every group the joint groove reduces in proper order from interior to outside length, the joint has extending structure in the joint groove, extending structure includes first pole, second pole and connecting screw, first pole with the second pole sets up relatively, just first pole with the inboard that the second pole set up relatively is equipped with the screw hole respectively, and through setting up respectively first pole with on the second pole the screw hole with connecting screw threaded connection, the lower extreme of skeleton body still is equipped with the reference column all around respectively, but this device has practiced thrift the advantage of on-the-spot construction man-hour, but this patent still has following problem in the in-service use:
the device needs to adjust the telescopic structure respectively when adjusting, and the telescopic structure utilizes the screw rod to adjust again, needs rotatory four screw rods respectively when leading to actual operation, and needs to guarantee that rotatory angle is the same for guarantee overall structure's symmetry, finally lead to the operation too troublesome, inconvenient use.
An adjustable skeleton for a bridge swivel is provided so as to solve the problems set forth in the above.
Disclosure of utility model
The utility model aims to provide an adjustable framework for a bridge swivel, which aims to solve the problems that the device provided by the background art needs to respectively adjust a telescopic structure during adjustment, the telescopic structure is adjusted by utilizing screws, four screws need to be respectively rotated during actual operation, the rotation angles are required to be the same, the symmetry of the whole structure is ensured, and finally the operation is excessively troublesome and inconvenient to use.
In order to achieve the purpose, the utility model provides the following technical scheme that the adjustable framework for the bridge swivel comprises four rectangular support columns;
A connecting assembly is arranged between the four support columns, the connecting assembly comprises a plurality of cross rods, the top and the bottom of each support column are fixedly connected with a pair of cross rods, two cross rods of the same pair are distributed at ninety degrees, the same connecting sleeve is connected between two adjacent cross rods of different pairs in a sliding manner, and a fixing plate is fixedly connected between the upper connecting sleeve and the lower connecting sleeve;
The connecting assembly further comprises a center shell, wherein the side edge of the center shell is connected with a plurality of connecting rods in a sliding mode, and the connecting rods are fixedly connected with the inner side of the fixing plate;
The inner part of the center shell is rotationally connected with a rotating disc, the surface of the rotating disc is fixedly connected with a spiral track, four sliding blocks are connected to the spiral track in a sliding mode, and one sliding block is fixedly connected with one connecting rod.
Preferably, four side grooves are formed in the outer side of the center shell, the four side grooves are uniformly distributed, and the connecting rod is in sliding connection with the side grooves.
Preferably, the middle part of rotary disk fixedly connected with center pin, the top of center pin runs through center shell and fixedly connected with knob.
Preferably, a reinforcing rod is fixedly connected between the transverse rods on the upper side and the lower side.
Preferably, the bottom of support column is provided with adjusting part, adjusting part includes the screw thread post, the screw thread post is fixed in the support column bottom, the outside cover of screw thread post is equipped with hollow cover.
Preferably, one side sliding connection of hollow cover has the slide bar, the one end rotation of slide bar is connected with half spiral shell arc cover, the other end fixedly connected with of slide bar revolves the piece, the outside fixedly connected with extension rod of revolving the piece, the one end fixedly connected with curved cutting that revolves the piece is kept away from to the extension rod, the outside fixedly connected with plug bush of hollow cover, curved cutting is pegged graft with the plug bush.
Preferably, a clearance groove is formed in one side of the inner portion of the hollow sleeve, and the clearance groove is in sliding connection with the half-spiral arc sleeve.
Compared with the prior art, the adjustable framework for the bridge swivel has the beneficial effects that by rotating the knob through the tool, all cross bars and the connecting sleeve slide relatively simultaneously, so that the size of the whole framework can be quickly adjusted during installation, and the adjustable framework is convenient to use and comprises the following specific contents:
1. The knob is rotated through the tool to enable the central shaft to drive the rotating disc, so that the spiral track driving sliding block slides along the direction of the connecting rods, and then the four connecting rods synchronously move outwards, and finally, all the cross rods are pushed to slide relative to the connecting sleeves, so that the size of the whole framework can be quickly adjusted during installation, and the novel rotary rack is convenient to use.
2. The extension rod drives the curved cutting to be pulled out from the plug bush through rotating the rotary block, and then the sliding rod can be pulled to move, so that the half spiral arc sleeve is driven to move, the height of the hollow sleeve can be quickly adjusted, the levelness of the whole device can be initially positioned, then the half spiral arc sleeve is reset, the half spiral arc sleeve is in threaded connection with the threaded column, the half spiral arc sleeve is rotated, the position of the hollow sleeve is finely adjusted, and finally the levelness of the whole framework can be quickly changed.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present utility model;
FIG. 2 is a schematic view of a cross-sectional structure of a top surface of the present utility model;
FIG. 3 is a schematic top view of the center housing;
FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 1;
Fig. 5 is a schematic view of the mounting structure of the knob and the extension rod.
The device comprises a supporting column 1, a connecting component 2, a cross rod 202, a connecting sleeve 203, a reinforcing rod 204, a fixing plate 205, a central shell 206, a side groove 207, a connecting rod 208, a rotating disk 209, a spiral track 210, a sliding block 211, a central shaft 212, a knob 3, an adjusting component 301, a threaded column 302, a hollow sleeve 303, a sliding rod 304, a half spiral arc sleeve 305, a rotating block 306, an extending rod 307, a curved cutting, 308 and a plug bush.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the utility model provides a technical scheme that an adjustable framework for a bridge swivel comprises four rectangular support columns 1;
A connecting assembly 2 is arranged between the four support columns 1, the connecting assembly 2 comprises a plurality of cross rods 201, the top and the bottom of the support columns 1 are fixedly connected with a pair of cross rods 201, two cross rods 201 of the same pair are distributed at ninety degrees, one connecting sleeve 202 is slidingly connected between two adjacent cross rods 201 of different pairs, and a fixing plate 204 is fixedly connected between the upper connecting sleeve 202 and the lower connecting sleeve 202;
The connecting assembly 2 further comprises a center shell 205, a plurality of connecting rods 207 are slidably connected to the side edges of the center shell 205, the connecting rods 207 are fixedly connected with the inner sides of the fixing plates 204, the center shell 205 is located at the center of connecting lines of all the support columns 1, and the number of the connecting rods 207 is four.
The inner part of the center shell 205 is rotatably connected with a rotary disk 208, the surface of the rotary disk 208 is fixedly connected with a spiral track 209, four sliding blocks 210 are slidably connected on the spiral track 209, one sliding block 210 is fixedly connected with one connecting rod 207, and the four sliding blocks 210 are uniformly distributed.
Four side grooves 206 are formed in the outer side of the center shell 205, the four side grooves 206 are evenly distributed, and a connecting rod 207 is slidably connected with the side grooves 206.
The middle part of the rotary disk 208 is fixedly connected with a central shaft 211, the top of the central shaft 211 penetrates through the central shell 205 and is fixedly connected with a knob 212, and the knob 212 is convenient for tools such as a spanner and the like to operate.
A reinforcing rod 203 is fixedly connected between the transverse rods 201 on the upper side and the lower side, and the reinforcing rod 203 increases the overall stability of the device.
The bottom of the support column 1 is provided with an adjusting component 3, the adjusting component 3 comprises a threaded column 301, the threaded column 301 is fixed at the bottom end of the support column 1, a hollow sleeve 302 is sleeved outside the threaded column 301, and the hollow sleeve 302 is attached to the outer side of the threaded column 301.
One side of the hollow sleeve 302 is connected with a sliding rod 303 in a sliding manner, one end of the sliding rod 303 is rotatably connected with a half-spiral arc sleeve 304, the other end of the sliding rod 303 is fixedly connected with a rotating block 305, the outer side of the rotating block 305 is fixedly connected with an extension rod 306, one end of the extension rod 306, which is far away from the rotating block 305, is fixedly connected with a curved cutting 307, the outer side of the hollow sleeve 302 is fixedly connected with a plug bush 308, the curved cutting 307 is spliced with the plug bush 308, the half-spiral arc sleeve 304 is in threaded connection with a threaded column 301, and the end part of the curved cutting 307 is fixedly connected with a friction block.
A clearance groove is formed in one side of the inner portion of the hollow sleeve 302, the clearance groove is in sliding connection with the half-screw arc sleeve 304, and after the half-screw arc sleeve 304 moves into the clearance groove, the half-screw arc sleeve is prevented from being in threaded connection with the threaded column 301.
Before the adjustable skeleton for the bridge swivel is used, the whole condition of the device needs to be checked firstly to ensure that normal work can be carried out, when the skeleton is installed, according to the figures 1-5, the device is lifted up and lifted off the ground by a hook cable through a crane, then a central shaft 211 drives a rotating disc 208 by rotating a knob 212 through a tool, so that a spiral track 209 drives a sliding block 210 to slide along the direction of a connecting rod 207, the connecting rod 207 is enabled to synchronously move outwards, and finally, relative sliding occurs between a transverse rod 201 and a connecting sleeve 202, so that the size of the whole skeleton can be quickly adjusted during installation, and the bridge swivel is convenient to use;
The extension rod 306 drives the curved cutting 307 to be pulled out from the inserting sleeve 308 by rotating the rotating block 305, and the sliding rod 303 can be pulled to move at the moment, so that the half-screw arc sleeve 304 is driven to move, the height of the hollow sleeve 302 can be quickly adjusted, and when fine adjustment is needed, the half-screw arc sleeve 304 is reset to be in threaded connection with the threaded column 301, the half-screw arc sleeve 304 is rotated, and finally the levelness of the whole framework can be quickly changed.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.