CN113389796B

CN113389796B - Foundation bolt

Info

Publication number: CN113389796B
Application number: CN202110495155.7A
Authority: CN
Inventors: 陈文超; 刘茂发
Original assignee: Fujian Huagai Machinery Manufacture Co ltd
Current assignee: Fujian Asia Pacific Trademark & Patent Office Co ltd; Fujian Huagai Machinery Manufacture Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-12-09
Anticipated expiration: 2041-05-07
Also published as: CN113389796A

Abstract

The invention discloses a foundation bolt which comprises a base plate, wherein a supporting plate is connected to the upper end of the base plate, a threaded column is installed at the rear end of the supporting plate at the upper end of the base plate, a fixing nut is arranged on the outer side surface of the upper end of the threaded column, a loosening-preventing nut is arranged below the fixing nut at the outer side of the threaded column, a backing plate is arranged below the loosening-preventing nut at the outer side of the threaded column, a pressure device is arranged below the backing plate, one end of the fixing nut is connected with a rotating plate, the pressure device comprises a first pressing plate, a first installing hole is formed in the center of the upper end of the first pressing plate, and a rotating hole is formed in the front end of the rotating plate.

Description

Foundation bolt

Technical Field

The invention relates to the technical field of foundation bolts, in particular to a foundation bolt.

Background

The anchor bolt has the function of fixing equipment on the ground, and is frequently applied to bridges, mines, railways, roads, electric power enterprises, cement plants, automobiles, motorcycles, tower cranes, boiler steel structures, large-span steel structures, large buildings and the like because of high stability, and can be divided into a fixed anchor bolt, a movable anchor bolt, an anchor expansion anchor bolt and a bonding anchor bolt, wherein the anchor bolt is divided into an L-shaped embedded bolt, a 9-shaped embedded bolt, a U-shaped embedded bolt, a welding embedded bolt and a bottom plate embedded bolt according to different appearances.

The bolt is generally buried underground when rag bolt uses, then fixes equipment in the bolt upper end through the nut, and current rag bolt is when using for a long time, and the upper end nut takes place to become flexible because of the vibration of equipment is easy, and this can influence the use of equipment, and takes place the accident easily, and in addition, rag bolt's nut and screw post are exposed in the external world for a long time, lead to nut and screw post to rust with higher speed, in order to solve above-mentioned problem, we have proposed a rag bolt.

Disclosure of Invention

The invention mainly aims to provide a foundation bolt to solve the problem that a nut is easy to loosen due to vibration of equipment to further influence the use of the equipment.

Another object of the present invention is to provide a foundation bolt to solve the problem that the nut and the threaded column are exposed to the outside for a long time, which leads to accelerated rusting of the nut and the threaded column.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a rag bolt, includes the bottom plate, the upper end of bottom plate is connected with the backup pad, the screw thread post is installed to the rear end of the upper end backup pad of bottom plate, the upper end outside surface of screw thread post is provided with fixation nut, the outside fixation nut's of screw thread post below is provided with locking nut that moves, the outside locking nut's of screw thread post below is provided with the backing plate, the below of backing plate is provided with pressure mechanism, the length of backing plate is less than the second clamp plate, pressure mechanism includes first clamp plate, second clamp plate, be provided with the support column between first clamp plate and the second clamp plate, fixation nut's one end is connected with the rotor, the commentaries on classics hole has been seted up to the front end of rotor.

Preferably, a first mounting hole is formed in the center of the upper end of the first pressing plate, fixing holes are formed in two sides of the first mounting hole in the upper end of the first pressing plate, and a second mounting hole is formed in the upper end of the second pressing plate.

Preferably, the support columns incline downwards by 45 degrees, the support columns are four groups, the lower ends of the four groups of support columns are uniformly welded to four corners of the upper end of the first pressing plate, and the upper ends of the four groups of support columns are uniformly welded to four corners of the lower end of the second pressing plate.

Preferably, the first mounting hole and the second mounting hole are the same in size, the first mounting hole and the second mounting hole are matched with the threaded column, and the first pressing plate and the second pressing plate are connected to the outer side of the threaded column.

Preferably, the length of the second pressing plate is smaller than that of the first pressing plate, and the two groups of fixing holes are located on the outer side of the second pressing plate.

Preferably, the top end to one quarter of the upper portion of the threaded column is provided with threads, the support plates are in a right-angle triangle shape, four groups of the support plates are arranged, the four groups of the support plates are welded on the surface of the threaded column, and the threaded column is located in the center of the four groups of the support plates.

Preferably, fixation nut divide into two the same half hexagon nuts, two half hexagon nuts with the screw thread post cooperatees, the fixation nut upper surface is equipped with annular flange, fixation nut outside cover is equipped with the sleeve, telescopic cross-section for regular hexagon structure and with the fixation nut profile cooperatees, sleeve inboard middle part is equipped with the spacing groove, the spacing groove top telescopic edge-to-edge distance is less than the edge-to-edge distance of sleeve lower part, the spacing groove bottom is equipped with the slope, the inboard lower part fixedly connected with dog of sleeve, the dog below is equipped with the spring, the lower pot head of sleeve is established in the spring outside, spring lower extreme fixedly connected with fixed plate, fixed plate central point put seted up with the through-hole that the screw thread post agrees with each other, the spring upper end with the dog lower surface is contradicted each other.

Compared with the prior art, the invention has the following beneficial effects: this kind of rag bolt, can increase rag bolt and basic frictional force through bottom plate and the backup pad of screw thread post lower extreme, prevent that rag bolt from taking place to become flexible because of mechanical shock, install equipment in the upper end of screw thread post, then install pressure mechanism on the screw thread post through first mounting hole and second mounting hole, first clamp plate is installed and can be increased mechanical lifting surface at mechanical surface, make mechanical installation more firm, reduce the vibrations when mechanical use, install the backing plate on the screw thread post again, make backing plate and second clamp plate laminate mutually, then tighten the locking nut, at last tighten fixation nut, the rotor outside fixation nut can make to twist when moving the rotor more laborsaving, in complicated environment, under the unable condition of using of pliers, can insert outside connecting rod through the rotor hole, then tighten fixation nut, the device simple structure, high durability and convenient installation, can effectively increase the contact area of bolt and basis, prevent that the bolt from becoming flexible.

As a further aspect of the invention: through being divided into two the same half hexagon nuts with fixation nut, fixation nut's installation and dismantlement of can being convenient for, through setting up the sleeve, can prevent water and sand and dust and screw thread post and fixation nut contact, slow down the screw thread post and the fixation nut speed of rustting, increase of service life through setting up spring and fixed plate, can reduce the vibration and prevent that fixation nut is not hard up, the small-size equipment that specially adapted weight is lighter.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic illustration of the explosive structure of the present invention;

FIG. 3 is a schematic view of the pressure mechanism of the present invention;

FIG. 4 is a cross-sectional view of the present invention;

fig. 5 is a top view of the fastening nut of the present invention.

In the figure: 1. a base plate; 2. a support plate; 3. a threaded post; 4. a pressure mechanism; 41. a first platen; 42. a first mounting hole; 43. a fixing hole; 44. a support pillar; 45. a second platen; 46. a second mounting hole; 5. a base plate; 6. a locking nut; 7. fixing a nut; 8. rotating the sheet; 9. hole turning; 10. a sleeve; 11. a stopper; 12. a spring; 13. a fixing plate; 14. a limiting groove; 15. a flange.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-5, a foundation bolt comprises a bottom plate 1, a supporting plate 2 is connected to the upper end of the bottom plate 1, a threaded column 3 is installed at the rear end of the supporting plate 2 at the upper end of the bottom plate 1, and a fixing nut 7 is arranged on the outer side surface of the upper end of the threaded column 3.

Specifically, the upper top end to the quarter of threaded column 3 is provided with the screw thread, the below of fixation nut 7 is provided with locking nut 6, the below of the locking nut 6 that moves in the outside of threaded column 3 is provided with backing plate 5, the below of backing plate 5 is provided with pressure mechanism 4, pressure mechanism 4 includes first clamp plate 41, second clamp plate 45, be provided with support column 44 between first clamp plate 41 and the second clamp plate 45, the length of backing plate 5 is less than second clamp plate 45, can compress tightly second clamp plate 45 through backing plate 5, and prevent that pressure mechanism 4 is not hard up, the one end of fixation nut 7 is connected with rotor 8, rotor 8's front end has been seted up and has been changeed hole 9, first mounting hole 42 has been seted up at the upper end central point of first clamp plate 41, fixed orifices 43 has been seted up to the both sides of the first mounting hole 42 in upper end of first clamp plate 41, second mounting hole 46 has been seted up to the upper end of second clamp plate 45.

Specifically, the support columns 44 are inclined downward by 45 °, the support columns 44 are four groups, the lower ends of the four groups of support columns 44 are uniformly welded to four corners of the upper end of the first pressure plate 41, the upper ends of the four groups of support columns 44 are uniformly welded to four corners of the lower end of the second pressure plate 45, the first mounting holes 42 in the first pressure plate 41 can be aligned with the second mounting holes 46 in the second pressure plate 45 through the support columns 44, and the stability of the pressure mechanism 4 can be improved through the support columns 44.

Specifically, the first mounting hole 42 and the second mounting hole 46 are the same in size, the first mounting hole 42 and the second mounting hole 46 are matched with the threaded column 3, the first mounting hole 42 and the second mounting hole 46 are sleeved on the outer side of the threaded column 3, and the pressure mechanism 4 can be conveniently connected to the outer side surface of the threaded column 3 through the first mounting hole 42 and the second mounting hole 46.

Specifically, the length of second clamp plate 45 is less than first clamp plate 41, and two sets of fixed orificess 43 are located the outside of the top second clamp plate 45 of first clamp plate 41, can be at equipment surface mounting screw through second clamp plate 45, and the threaded column 3 is inseparabler with being connected of equipment, the stability of lifting means.

Specifically, backup pad 2 is right triangle shape, and backup pad 2 has four groups, and four group's backup pads 2 welds on the surface of screw thread post 3, and screw thread post 3 is located the central point of four group's backup pads 2 and puts, and the area of contact that can increase the bolt through backup pad 2 makes the bolt installation more stable.

Specifically, as shown in fig. 4 and 5, a thread is arranged from the top end of the upper portion of the threaded column 3 to one half of the middle portion of the threaded column 3, the fixing nut 7 is divided into two identical half hexagonal nuts, the two half hexagonal nuts are matched with the threaded column 3, an annular flange 15 is arranged on the upper surface of the fixing nut 7, a sleeve 10 is sleeved outside the fixing nut 7, the cross section of the sleeve 10 is of a regular hexagonal structure and is matched with the profile of the fixing nut 7, a limiting groove 14 is arranged in the middle of the inner side of the sleeve 10, the distance between the centers of the sleeve 10 above the limiting groove 14 is smaller than that of the lower portion of the sleeve 10, a slope is arranged at the bottom of the limiting groove 14, a stopper 11 is fixedly connected to the lower portion of the inner side of the sleeve 10, a spring 12 is arranged below the stopper 11, the lower end of the sleeve 10 is sleeved outside the spring 12, a fixing plate 13 is fixedly connected to the lower end of the spring 12, a through hole matched with the threaded column 3 is arranged at the center of the fixing plate 13, and the upper end of the spring 12 is abutted against the lower surface of the stopper 11;

the fixing nut 7 is divided into two identical half hexagonal nuts and matched with the threaded column 3, the flange 15 is arranged on the upper surface of the fixing nut 7, the sleeve 10 matched with the outline of the fixing nut 7 is arranged, the limiting groove 14, the stop block 11 and the slope are arranged in the sleeve 10, the edge center distance of the sleeve 10 above the limiting groove 14 is controlled to be smaller than the edge center distance of the lower part of the sleeve 10, and the spring 12 and the fixing plate 13 are arranged;

when the fixing device is used, the bottom plate 1 and the supporting plate 2 are fixed firstly, the mounting hole in the control device penetrates through the threaded column 3, the fixing plate 13 and the spring 12 are sleeved on the outer side of the threaded column 3, when the split fixing nut 7 is sleeved on the outer side of the threaded column 3, a user controls the sleeve 10 on the outer side of the fixing nut 7 to press downwards, the thread on the outer side of the threaded column 3 can push the split fixing nut 7 outwards, the flange 15 on the upper surface of the fixing nut 7 is limited by the limiting groove 14, so that the fixing nut 7 stays in the limiting groove 14, the spring 12 is squeezed and contracted by the pressure of the stop block 11, when the bottom of the sleeve 10 is contacted with the fixing plate 13, the fixing nut 7 moves downwards along the slope on the bottom of the limiting groove 14 under the action of gravity and is meshed with the thread on the outer side of the threaded column 3, the user releases his hand, the spring 12 rebounds under the action of elasticity, the sleeve 10 moves upwards, the fixing nut 7 does not move relative to the position of the threaded column 3, the fixing nut 7 moves downwards relative to be abutted to the stop block 11 relative to the sleeve 10, so as to realize the quick mounting of the fixing nut 7, and the rotary column 3 is taken out when the sleeve 10 is dismounted;

this scheme is through being divided into two the same half hexagon nuts with fixation nut 7, the installation and the dismantlement of fixation nut 7 of can being convenient for, through setting up flange 15, can make fixation nut 7 card in spacing groove 14, through setting up sleeve 10, can prevent water and sand and dust and screw post 3 and fixation nut 7 contact, slow down screw post 3 and fixation nut 7 rust rate, and prolonged service life, through setting up spring 12 and fixed plate 13, can reduce the vibration and prevent that fixation nut 7 is not hard up, the small-size equipment that specially adapted weight is lighter.

The invention is a foundation bolt, when in use, equipment is in place, a hole is cleaned, the foundation bolt is placed in the hole, after the equipment is positioned and aligned, the equipment is poured by non-shrinkage fine stone concrete which is one level higher than the original foundation, tamping is dense, the friction force between the foundation bolt and the foundation can be increased through a bottom plate 1 and a supporting plate 2 at the lower end of a threaded column 3, the foundation bolt is prevented from being loosened due to mechanical vibration, the equipment is arranged at the upper end of the threaded column 3, then a pressure mechanism 4 is arranged on the threaded column 3 through a first mounting hole 42 and a second mounting hole 46, a first pressing plate 41 is arranged on the surface of a machine, the stress area of the machine is increased, so that the machine is more stably arranged, the vibration during the use of the machine is reduced, then a backing plate 5 is arranged on the threaded column 3, the backing plate 5 is attached to a second pressing plate 45, then a loosening prevention nut 6 is screwed, the loosening prevention nut 6 can prevent the fixing nut 7 from being loosened, finally the fixing nut 7 is screwed, a rotating piece 8 at the outer side of the fixing nut 7 can enable the fixing nut 7 to be more labor-saving when the fixing nut 7 is moved, a connecting rod can be screwed into a complex environment, and a connecting rod can be screwed into the fixing nut 9, and a connecting rod cannot be connected to an external fixing tool to be used.

As another embodiment of the invention, when a user uses the device, the bottom plate 1 and the support plate 2 are fixed, the mounting hole on the control device penetrates through the threaded column 3, the fixing plate 13 and the spring 12 are sleeved outside the threaded column 3, so that when the split fixing nut 7 is sleeved outside the threaded column 3, the user controls the sleeve 10 outside the fixing nut 7 to press downwards, the thread outside the threaded column 3 pushes the split fixing nut 7 outwards, the flange 15 on the upper surface of the fixing nut 7 is limited by the limiting groove 14, so that the fixing nut 7 stays in the limiting groove 14, the spring 12 is pressed and contracted by the pressure of the stopper 11, when the bottom of the sleeve 10 is contacted with the fixed plate 13, the fixed nut 7 moves downwards along the slope at the bottom of the limit groove 14 under the action of gravity and is engaged with the thread at the outer side of the threaded column 3, a user loosens his hand, the spring 12 rebounds under the action of elasticity, the sleeve 10 moves upwards, the fixed nut 7 is fixed relative to the threaded column 3, the fixed nut 7 moves downwards relative to the sleeve 10 to be abutted against the stop dog 11, the fixed nut 7 is quickly installed, when the sleeve 10 is disassembled, the sleeve 10 rotates to drive the fixed nut 7 inside to rotate and is taken out from the threaded column 3, the proposal can facilitate the installation and the disassembly of the fixed nut 7 by dividing the fixed nut 7 into two identical half hexagonal nuts, the fixing nut 7 can be clamped in the limiting groove 14 by arranging the flange 15, water and sand dust can be prevented from contacting the threaded column 3 and the fixing nut 7 by arranging the sleeve 10, the rusting speed of the threaded column 3 and the fixing nut 7 is reduced, the service life is prolonged, by providing the spring 12 and the fixing plate 13, the vibration can be reduced to prevent the fixed nut 7 from loosening, and the fixing plate is particularly suitable for small-sized equipment with light weight.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A rag bolt, includes bottom plate (1), its characterized in that: the upper end of the bottom plate (1) is connected with a supporting plate (2), the inner side of the supporting plate (2) at the upper end of the bottom plate (1) is provided with a threaded column (3), and the outer side surface of the upper end of the threaded column (3) is provided with a fixing nut (7);

the supporting plates (2) are in a right-angle triangle shape, four groups of the supporting plates (2) are arranged, the four groups of the supporting plates (2) are welded on the surfaces of the threaded columns (3), and the threaded columns (3) are located at the center positions of the four groups of the supporting plates (2);

the utility model discloses a thread post, including threaded post (3), fixation nut (7), fixing nut (7), set nut (7), and limit groove (14), limit groove (14) top, the limit distance of sleeve (10) is less than the limit distance of sleeve (10) lower part, limit groove (14) bottom is equipped with the slope, sleeve (10) inboard lower part fixedly connected with dog (11), dog (11) below is equipped with spring (12), spring (12) lower extreme fixedly connected with fixed plate (13), fixed plate (13) central point puts and has seted up contradict with the through-hole that screw post (3) agrees with each other, spring (12) upper end with dog (11) lower surface each other.

2. An anchor stud according to claim 1, wherein: the upper portion top to the quarter department of screw thread post (3) is provided with the screw thread, the below of fixation nut (7) is provided with locking nut (6) that moves, the below of the outside locking nut (6) of screw thread post (3) is provided with backing plate (5), the below of backing plate (5) is provided with pressure device (4), pressure device (4) are including first clamp plate (41), second clamp plate (45), be provided with between first clamp plate (41) and second clamp plate (45) support column (44), the length of backing plate (5) is less than second clamp plate (45), the one end of fixation nut (7) is connected with rotor (8), commentaries on classics hole (9) have been seted up to the front end of rotor (8).

3. An anchor stud according to claim 2, wherein: the upper end center part of the first pressing plate (41) is provided with a first mounting hole (42), two sides of the first mounting hole (42) at the upper end of the first pressing plate (41) are provided with fixing holes (43), and the upper end of the second pressing plate (45) is provided with a second mounting hole (46).

4. An anchor stud according to claim 2, wherein: the supporting columns (44) incline downwards by 45 degrees, the supporting columns (44) are four groups, the lower ends of the four groups of supporting columns (44) are uniformly welded to four corners of the upper end of the first pressing plate (41), and the upper ends of the four groups of supporting columns (44) are uniformly welded to four corners of the lower end of the second pressing plate (45).

5. An anchor stud according to claim 3, wherein: the first mounting hole (42) and the second mounting hole (46) are the same in size, the first mounting hole (42) and the second mounting hole (46) are matched with the threaded column (3), and the first pressing plate (41) and the second pressing plate (45) are sleeved on the outer side of the threaded column (3) through the first mounting hole (42) and the second mounting hole (46).

6. An anchor stud according to claim 3, wherein: the length of the second pressing plate (45) is smaller than that of the first pressing plate (41), and the two groups of fixing holes (43) are located on the outer side of the second pressing plate (45).