CN212928430U

CN212928430U - Telescopic force transmission column for static load test

Info

Publication number: CN212928430U
Application number: CN202020770514.6U
Authority: CN
Inventors: 孔进; 潘伟民
Original assignee: Jiangsu Changjiang Construction Engineering Quality Inspection Co ltd
Current assignee: Middling coal Changjiang Survey Jiangsu Co.,Ltd.
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2021-04-09
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses a retractable is transmission post for static test, including flexible base, flexible base's top is connected with flexible post through telescopic machanism, the top of limiting plate and the bottom fixed connection of flexible post, and the top of two threaded rods is rotated respectively and is connected in the both sides of limiting plate bottom, and the nut screw thread cup joints in the outer wall of threaded rod, and the inner wall of worm wheel is fixed cup joints in the top of nut outer wall, and the both ends of worm are rotated with the both sides of flexible inslot chamber respectively and are connected, and the avris of two worm wheels is connected with the outer wall meshing of worm respectively. The utility model discloses a setting of rotatory handle, rotary disk, worm wheel, worm, nut and threading board holds rotatory handle and rotates the rotary disk, and the rotary disk drives the worm and rotates, and the worm drives two worm wheel syntropies and rotates, and the rotation of worm wheel makes the nut rotate, and the rotation of nut makes the threaded rod reciprocate, and the threaded rod drives flexible post and reciprocates to realize the regulation of biography power post height, improved the practicality that the biography power post used.

Description

Telescopic force transmission column for static load test

Technical Field

The utility model relates to a dowel steel field, in particular to retractable is dowel steel for static test.

Background

The force transmission column for the static load test is a connecting part which is used for connecting two plates and plays a role in stress transmission.

The transmission post for the static load test is installed between the board of going up and down, plays a stress transfer effect, and the distance between two boards can change along with the demand is different, but the height of current transmission post is fixed, when facing two boards of different spaced, need change different transmission posts, has reduced the practicality that the transmission post used.

Disclosure of Invention

An object of the utility model is to provide a retractable is transmission post for static test to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a force transmission column for a telescopic static load test comprises a telescopic base, wherein a telescopic groove is formed in the top end of the telescopic base, a telescopic column is connected to the top end of the telescopic base in a sliding and inserting mode through the telescopic groove, a telescopic mechanism is arranged in the inner cavity of the telescopic groove and consists of a limiting plate, two threaded rods, two nuts, two worm wheels and a worm, the top end of the limiting plate is fixedly connected with the bottom end of the telescopic column, the top ends of the two threaded rods are respectively and rotatably connected to two sides of the bottom end of the limiting plate, two mounting holes are formed in the bottom end of the telescopic groove, the bottom ends of the two threaded rods are respectively and movably and alternately connected with the two mounting holes, the two nuts are respectively and threadedly sleeved on the outer walls of the two threaded rods, the bottom ends of the two nuts are rotatably connected with the bottom end of the inner cavity of the telescopic groove through, the both ends of worm are connected with the both sides rotation of flexible inslot inner chamber respectively, two the avris of worm wheel is connected with the outer wall meshing of worm respectively.

Preferably, the bottom end of the telescopic base is fixedly connected with a bottom plate, and the top end of the telescopic column is fixedly connected with a top plate.

Preferably, the side edges of the top ends of the bottom plate and the top plate are provided with a plurality of threaded holes at equal intervals.

Preferably, one end of the worm penetrates through the outer wall of the inner cavity of the telescopic groove and is fixedly connected with a rotating disc, and the side of one end of the rotating disc is fixedly connected with a rotating handle.

Preferably, the outer wall of the rotating handle is fixedly connected with a non-slip mat.

Preferably, the length of the limiting plate is greater than that of the notch of the telescopic groove.

The utility model discloses a technological effect and advantage:

(1) the utility model discloses a setting of rotatory handle, rotary disk, worm wheel, worm, nut and threading board, when the user is adjusting the power transmission post height, only need to hold rotatory handle and rotate the rotary disk, the rotary disk drives the worm and rotates, the worm drives two worm wheels syntropy and rotates, the rotation of worm wheel makes the nut rotate, the rotation of nut makes the threaded rod reciprocate, the threaded rod drives flexible post and reciprocates, thereby realize the regulation of power transmission post height, the practicality of power transmission post use is improved, the setting of rotatory handle and rotary disk has increased the arm of force, only need use less strength can make the worm rotate in the rotation process, the convenience of power transmission post height change has been improved;

(2) this experiment is novel through the setting of worm wheel, worm, and when the lead angle of worm was less than the equivalent friction angle between the meshing wheel tooth, the mechanism had the auto-lock nature, can realize reverse auto-lock, can only the worm drive the worm wheel promptly, and can not drive the worm by the worm wheel, and the biography power post is after high the change, as long as do not rotate rotatory handle, highly can fix, has improved the stability of biography power post extending structure.

Drawings

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

Fig. 2 is the sectional structure diagram of the plane of bowing of the utility model.

Fig. 3 is a schematic front sectional view of the present invention.

In the figure: 1. a telescopic base; 2. a telescopic column; 3. a base plate; 4. a top plate; 5. a threaded hole; 6. a worm; 7. rotating the disc; 8. rotating the handle; 9. a limiting plate; 10. a threaded rod; 11. a nut; 12. a worm gear.

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.

The utility model provides a retractable force-transmitting column for static load test as shown in figures 1-3, which comprises a retractable base 1, wherein the top end of the retractable base 1 is provided with a retractable groove which enables the force-transmitting column to have enough retractable space, the top end of the retractable base 1 is connected with a retractable column 2 through the retractable groove, the retractable column 2 slides in the retractable groove to enable the force-transmitting column to retract and retract, a retractable mechanism is composed of a limiting plate 9, two threaded rods 10, two nuts 11, two worm wheels 12 and a worm 6, the top end of the limiting plate 9 is fixedly connected with the bottom end of the retractable column 2, the length of the limiting plate 9 is larger than the length of the groove opening of the retractable groove, the limiting plate 9 plays a role of limiting and fixing, the retractable column 2 is prevented from being separated from the retractable base 1, the top ends of the two threaded rods 10 are respectively rotatably connected with the two sides of the bottom end of the limiting plate 9 through bearings, the bottom end of the telescopic slot is provided with two mounting holes, the bottom ends of the two threaded rods 10 are movably connected with the two mounting holes in an inserting and penetrating way, so that the two threaded rods 10 can move up and down in the telescopic slot without being blocked, the two nuts 11 are respectively sheathed on the outer walls of the two threaded rods 10 in a threaded manner, the bottom ends of the two nuts 11 are rotatably connected with the bottom end of the inner cavity of the telescopic slot through bearings, so that the two nuts 11 can rotate at the bottom end of the inner cavity of the telescopic slot without being separated from the bottom end of the inner cavity of the telescopic slot, thereby driving the two threaded rods 10 to move up and down, the inner walls of the two worm wheels 12 are respectively fixedly sheathed and connected with the top parts of the outer walls of the two nuts 11, so that the two nuts 11 can be driven to rotate when the two worm wheels 12 rotate, the, the sides of the two worm wheels 12 are respectively meshed with the outer wall of the worm 6, so that the worm 6 rotates and simultaneously drives the two worm wheels 12 meshed with the worm to rotate, one end of the worm 6 penetrates through the outer wall of the inner cavity of the telescopic groove and is fixedly connected with a rotating disc 7, the side of one end of the rotating disc 7 is fixedly connected with a rotating handle 8, the force arm is increased due to the arrangement of the rotating handle 8 and the rotating disc 7, the worm 6 can rotate only by using less force in the rotating process, the outer wall of the rotating handle 8 is fixedly connected with an anti-slip mat, and a user cannot slip hands when holding the rotating handle 8;

bottom fixedly connected with bottom plate 3 of flexible base 1, the top fixedly connected with roof 4 of flexible post 2, the avris of bottom plate 3 and roof 4 is equallyd divide and is equipped with a plurality of screw holes 5, roof 4 and bottom plate 3 pass screw hole 5 through the screw and twist the bottom of upper plate and the top of hypoplastron, make roof 4 and bottom plate 3 fix the bottom at the upper plate and the bottom of hypoplastron respectively for the dowel post can be fixed between two boards.

The utility model discloses the theory of operation: the screw is threaded into the top end of the lower plate through the threaded hole 5 on the bottom plate 3, the bottom plate 3 is fixed on the top end of the lower plate, the rotating disc 7 is rotated clockwise by holding the rotating handle 8, the rotating disc 7 drives the worm 6 to rotate, the worm 6 rotates to drive the two worm wheels 12 to rotate in the same direction, the two worm wheels 12 rotate to drive the two nuts 11 to rotate, the two threaded rods 10 move upwards by rotating the two threaded rods 10, the telescopic column 2 moves upwards by pushing the telescopic column 2, the height of the force transmission column is increased by moving the telescopic column 2 upwards, when the top plate 4 is propped against the upper plate, the rotating disc 7 stops rotating, the screw is threaded into the bottom end of the upper plate through the threaded hole 5 on the top plate 4, the top plate 4 is fixed at the bottom end of the upper plate, the fixation of the force transmission column between the two plates is completed, when the height of the force transmission, the scalability of the force transmission column for the static load test is realized.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

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

1. A force transmission column for a telescopic static load test comprises a telescopic base (1) and is characterized in that a telescopic groove is formed in the top end of the telescopic base (1), a telescopic column (2) is connected to the top end of the telescopic base (1) in a sliding and penetrating mode through the telescopic groove, a telescopic mechanism is arranged in an inner cavity of the telescopic groove and consists of a limiting plate (9), two threaded rods (10), two nuts (11), two worm wheels (12) and a worm (6), the top end of the limiting plate (9) is fixedly connected with the bottom end of the telescopic column (2), the top ends of the two threaded rods (10) are respectively rotatably connected to two sides of the bottom end of the limiting plate (9), two mounting holes are formed in the bottom end of the telescopic groove, the bottom ends of the two threaded rods (10) are respectively movably and penetrating connected with the two mounting holes, and the two nuts (11) are respectively sleeved on the outer walls of the two threaded rods (10), two the bottom of nut (11) is passed through the bearing and is rotated with the bottom of flexible inslot cavity and be connected, two the inner wall of worm wheel (12) is fixed respectively and cup joints in the top of two nut (11) outer walls, the both ends of worm (6) are rotated with the both sides of flexible inslot cavity respectively and are connected, two the avris of worm wheel (12) is connected with the outer wall meshing of worm (6) respectively.

2. The telescopic force transmission column for the static load test is characterized in that a bottom plate (3) is fixedly connected to the bottom end of the telescopic base (1), and a top plate (4) is fixedly connected to the top end of the telescopic column (2).

3. The telescopic force transmission column for the static load test is characterized in that a plurality of threaded holes (5) are formed in the side edges of the top ends of the bottom plate (3) and the top plate (4) at equal intervals.

4. The telescopic force transmission column for the static load test is characterized in that one end of the worm (6) penetrates through the outer wall of the inner cavity of the telescopic groove and is fixedly connected with a rotating disc (7), and a rotating handle (8) is fixedly connected to the side of one end of the rotating disc (7).

5. The telescopic force transmission column for the static load test is characterized in that a non-slip mat is fixedly connected to the outer wall of the rotating handle (8).

6. The telescopic force transmission column for the static load test is characterized in that the length of the limit plate (9) is greater than that of the notch of the telescopic groove.