Rolling type belt dragging shaft
Technical Field
The utility model relates to the technical field of belt replacement and cable drag and drop operation, in particular to a rolling type belt drag and drop shaft.
Background
At present, the adopted belt dragging and dropping technology is to use a shaft to penetrate into a round hole of a belt middle support frame, to drag and drop the belt manually or mechanically, because the shaft bears the belt and is positioned on a frame, the shaft is fixed and does not rotate, so that great friction resistance is overcome when the belt is dragged and dropped, when a belt roll of more than 5t is dropped, 8-10 persons are often needed, and people are all tired, a belt roll can be dropped in a long time, thereby wasting time and labor and increasing the labor intensity of workers.
In addition, when a roll of belt is replaced without being pulled, the belt located on the belt frame and the frame overturn together due to the large friction force, so that the construction progress is influenced, the labor intensity of workers is enhanced, and therefore a roll type belt pulling shaft is provided to replace an original shaft, and the problems are solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rolling type belt dragging shaft, which aims to solve the problems that the dragging shaft in the background technology is very labor-consuming to lift and the belt and a frame are overturned together, so that the potential safety hazard exists.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a roll formula belt drags axle, includes axis body, bearing frame, bearing body, side cap and axle sleeve, the bearing frame sets up the both sides at the axis body, just the inside of bearing frame is provided with the round hole, the inside at the round hole is installed to the bearing body, just the inside of bearing body all is provided with the ball, ball and bearing body swing joint, and the ball is provided with the multiunit and is equidistant distribution, the side cap suit is on the axis body outer wall of bearing frame one side, and the side cap closely laminates with the bearing frame, the axle sleeve suit is on the inboard axis body outer wall of side cap, and the outer wall of axle sleeve closely laminates with the inner wall of side cap, and the inner wall of axle sleeve closely laminates with the outer wall of axis body, the inside of side cap all is provided with equidistant mounting structure.
Preferably, the both ends of axis body all run through the round hole and are fixed with the extension rod, and the one end of extension rod extends to one side of bearing frame for the connection work of axis body and bearing frame.
Preferably, the top end of the bearing seat is welded with a hoisting ring, and a hoisting hole is formed in the hoisting ring and used for hoisting a drag-and-drop belt or cable by a crane.
Preferably, first screw hole, second screw hole, mounting bolt have set gradually in mounting structure's inside, and the inside of side cap is provided with equidistant first screw hole respectively, just be provided with the second screw hole on the bearing frame outer wall of first screw hole position department, second screw hole and first screw hole one-to-one provide the space of installation for mounting bolt.
Preferably, the inside of first screw hole is provided with the construction bolt, and construction bolt and first screw hole threaded connection, the one end of construction bolt extends to the inside of second screw hole and rather than threaded connection, is convenient for install the side cap in one side of bearing frame.
Preferably, the surface of the extension rod is provided with external thread strips which are distributed at equal intervals, so that the flower nut can be conveniently screwed.
Preferably, the outer wall of the extension rod is sleeved with a flower nut, an inner thread groove is formed in the inner wall of the flower nut, and the inner thread groove is spirally meshed with the outer thread strip, so that the extension rod is convenient to fix.
Compared with the prior art, the utility model has the beneficial effects that: the rolling type belt dragging shaft not only greatly reduces the labor intensity of work, can improve the working efficiency, avoids the phenomenon that a belt located on a belt frame is overturned together with the frame, can be hoisted or placed for use, but also is convenient to disassemble and assemble and is more convenient to use;
(1) the original fixed shaft is replaced by the rolling type belt drag and drop shaft, so that the belt drag and drop shaft is small in abrasion, small in friction resistance, simple in process, simple in principle, simple in structure, convenient to use, stable in performance, safe, durable, convenient to maintain, capable of greatly reducing the working labor intensity, improving the working efficiency, reducing the labor intensity of workers, guaranteeing the safe operation of the workers, achieving the expected effect, avoiding the friction resistance and the phenomenon that a circular hole of a belt middle supporting frame and the belt drag shaft are damaged, and avoiding the phenomenon that a belt located on a belt frame and the frame overturn together due to the fact that the rolling friction replaces direct friction;
(2) the rolling type belt dragging and releasing shaft can be used for dragging and releasing a belt or a cable by a crane or can be placed on a support to drag and release the belt or the cable by the crane, when the crane is adopted, two steel wire rope pairs and a cross beam are adopted, the steel wire ropes are connected with the hoisting ring by shackles, when the crane is placed on the support, a triangular frame is arranged, the top end of the support adopts a concave semicircle, the bearing seat is placed in the concave semicircle, and the depth of the bearing seat is larger than the radius of the bearing seat;
(3) through because the axis body has one end to be detachable for penetrate the belt centre bore, install the bearing frame after penetrating, install the side cap in one side of bearing frame, with the inside of mounting bolt precession first screw hole and second screw hole in proper order, fix the side cap, overlap the colored nut again and screw up on the extension rod, this setting makes this roll formula belt drag and drop axle dismouting of being convenient for, it is more convenient to use.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic structural view of the mounting structure of the present invention;
FIG. 4 is a schematic view of an extension pole of the present invention;
fig. 5 is a schematic cross-sectional structure view of the flower nut of the present invention.
In the figure: 1. a shaft body; 2. a bearing seat; 3. a circular hole; 4. a bearing body; 5. a ball bearing; 6. a mounting structure; 601. a first threaded hole; 602. a second threaded hole; 603. installing a bolt; 7. hoisting a ring; 8. hoisting holes; 9. a side cover; 10. a shaft sleeve; 11. an extension pole; 12. a flower nut; 13. an externally threaded strip; 14. an internal thread groove.
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 all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown: a rolling type belt dragging and releasing shaft comprises a shaft body 1, bearing seats 2, a bearing body 4, side covers 9 and a shaft sleeve 10, wherein the bearing seats 2 are arranged on two sides of the shaft body 1, and round holes 3 are formed in the bearing seats 2;
two ends of the shaft body 1 penetrate through the round holes 3 and are fixedly provided with extension rods 11, and one ends of the extension rods 11 extend to one side of the bearing seat 2 and are used for connecting the shaft body 1 and the bearing seat 2;
the surface of the extension rod 11 is provided with external thread strips 13, and the external thread strips 13 are distributed at equal intervals so as to be convenient for screwing the flower nut 12;
the outer wall of the extension rod 11 is sleeved with a spline nut 12, inner thread grooves 14 are formed in the inner wall of the spline nut 12, and the inner thread grooves 14 are spirally meshed with the outer thread strips 13, so that the extension rod 11 is fixed conveniently;
a hoisting ring 7 is welded at the top end of the bearing seat 2, and a hoisting hole 8 is formed in the hoisting ring 7 and used for hoisting a dragging and dropping belt or cable by a crane;
the bearing body 4 is arranged inside the circular hole 3, the balls 5 are arranged inside the bearing body 4, the balls 5 are movably connected with the bearing body 4, the balls 5 are provided with a plurality of groups and are distributed at equal intervals, the side cover 9 is sleeved on the outer wall of the shaft body 1 on one side of the bearing seat 2, the side cover 9 is tightly attached to the bearing seat 2, the shaft sleeve 10 is sleeved on the outer wall of the shaft body 1 on the inner side of the side cover 9, the outer wall of the shaft sleeve 10 is tightly attached to the inner wall of the side cover 9, and the inner wall of the shaft sleeve 10 is tightly attached to the outer wall of the shaft body 1;
the side covers 9 are internally provided with mounting structures 6 at equal intervals;
a first threaded hole 601, a second threaded hole 602 and a mounting bolt 603 are sequentially arranged in the mounting structure 6, the first threaded holes 601 with equal intervals are respectively arranged in the side cover 9, the second threaded holes 602 are arranged on the outer wall of the bearing seat 2 at the position of the first threaded hole 601, and the second threaded holes 602 correspond to the first threaded holes 601 one by one;
a mounting bolt 603 is arranged in the first threaded hole 601, the mounting bolt 603 is in threaded connection with the first threaded hole 601, and one end of the mounting bolt 603 extends into the second threaded hole 602 and is in threaded connection with the second threaded hole;
the mounting bolt 603 is screwed into the first screw hole 601 and the second screw hole 602 in this order to fix the side cover 9.
When the embodiment of the application is used: firstly, because one end of the shaft body 1 is detachable and is used for penetrating a belt middle shaft hole, the bearing seat 2 is installed after the penetration, the side cover 9 is installed at one side of the bearing seat 2, the installation bolt 603 is sequentially screwed into the first threaded hole 601 and the second threaded hole 602 to fix the side cover 9, and the flower nut 12 is sleeved on the extension rod 11 and screwed, wherein the bearing body 4, the side cover 9 and the shaft sleeve 10 are all arranged in the bearing seat 2 and are integrated, the arrangement is convenient for dismounting and mounting the rolling type belt dragging shaft, the use is more convenient, then, the rolling type belt dragging shaft can drag and place a belt or a cable by a crane or can place the belt or the cable on a bracket, when a crane is adopted, two steel wire ropes and one beam are adopted, the steel wire ropes are connected with the hoisting ring 7 by a shackle, when the rolling type belt dragging shaft is placed on the bracket, a tripod is arranged, the top end of the frame adopts the concave semicircle, the bearing seat 2 is placed in the concave semicircle, the depth is larger than the radius of the bearing seat 2, the rolling type belt drag-and-drop shaft adopts the rolling type belt drag-and-drop shaft to replace the original fixed shaft, the abrasion is small, the friction resistance is small, the process is simple, the principle is simple, the structure is simple, the use is convenient, the performance is stable, the safety and the durability are realized, the maintenance is convenient, the working labor intensity is greatly reduced, the working efficiency can be improved, the labor intensity of workers is reduced, the safe operation of the workers is ensured, the expected effect is achieved, the friction resistance and the phenomenon that the round hole of the middle supporting frame of the belt and the belt drag-and-drop shaft are damaged are avoided, the phenomenon that the belt sitting on the belt frame and the frame overturn together is avoided because the rolling friction replaces the direct friction, therefore, the utility model discloses belt rolling type belt drag-and-drop shaft solves the problems of low working efficiency and low safety factor of the prior art, the application prospect is very wide, and the work of rolling type belt dragging and releasing shafts is completed.