CN210216492U

CN210216492U - Prevent interim fixed knot of post bottom steel construction structure that collapses

Info

Publication number: CN210216492U
Application number: CN201920789331.6U
Authority: CN
Inventors: Chao Li; 李超; Delin Zhang; 张德林; Qing Feng; 冯卿; Zhifang Fu; 付志方
Original assignee: Zhighing International Steel Structures Beijing Co ltd
Current assignee: Zhighing International Steel Structures Beijing Co ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-03-31
Anticipated expiration: 2029-05-28

Abstract

The utility model relates to a prevent interim fixed knot of column bottom steel construction structure that collapses, including setting firmly at the column bottom plate of steel column bottom, setting up at the concrete cushion of column bottom plate below and setting up the steel pad iron subassembly between column bottom plate and concrete cushion, the screw has evenly been seted up in the outside interval of steel column along the circumferencial direction of steel column on the column bottom plate, the concrete cushion inside has set firmly the sleeve of upper end opening and top and concrete cushion top parallel and level under the screw, the perpendicular to sleeve has set firmly outside convex draw-in groove on the sleeve inner wall, through the screw has inserted the locking device who fixes the steel column on the concrete cushion in to the sleeve. The utility model has the advantages of simple to operate, convenient to detach reuse and increase the bending resistance of steel column.

Description

Prevent interim fixed knot of post bottom steel construction structure that collapses

Technical Field

The utility model belongs to the technical field of the technique of steel construction production and specifically relates to a prevent interim fixed knot of column base steel construction structure that collapses and construct.

Background

At present, the steel structure is prevented collapsing temporarily and is usually adopted guy rope, earth anchor device, but this kind of device is implemented the degree of difficulty great, for example guy rope is difficult taut, if the earth anchor sets up at mud ground then the drawing force is not enough, can not really play the effect of preventing collapsing temporarily.

A column bottom steel structural member of the prior, reference-available application No. CN201621425898.8 includes a column bottom plate welded and fixed to the bottom of a steel structural column, for supporting the steel structural column; a plurality of foundation bolts penetrate through the column bottom plate and are fixedly connected with the concrete foundation layer so as to fix the column bottom plate above the concrete foundation layer; the steel shim plate assembly comprises a plurality of steel shim plates which are overlapped, the steel shim plate assembly is arranged between the column bottom plate and the concrete foundation layer, the top of the steel shim plate assembly is attached to the periphery of the bottom surface of the column bottom plate, and the bottom of the steel shim plate assembly is attached to the surface of the concrete foundation layer and used for supporting the column bottom plate. The structure is simple, installation is convenient, and the steel structure can be fixed temporarily. However, when dismantling in the later stage, because rag bolt sets up in the steel column, inconvenient unscrew the nut and demolish, the nut is twisted soon on rag bolt for a long time simultaneously, and very easy corrosion increases the difficulty on rag bolt to when dismantling for the later stage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent column bottom steel construction temporary fixation structure that collapses has solved the problem that the difficulty was demolishd in above-mentioned component later stage, has the bending resistance's that has simple to operate, convenient to detach reuse and increase the steel column advantage.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a temporary fixing structure of a collapse-preventing column bottom steel structure comprises a column bottom plate fixedly arranged at the bottom of a steel column, a concrete cushion layer arranged below the column bottom plate and a steel cushion assembly arranged between the column bottom plate and the concrete cushion layer, wherein screw holes are uniformly formed in the column bottom plate at intervals outside the steel column along the circumferential direction of the steel column, a sleeve with an opening at the upper end and the top flush with the top surface of the concrete cushion layer is fixedly arranged right below the screw holes in the concrete cushion layer, an outward convex clamping groove is fixedly arranged on the inner wall of the sleeve and is vertical to the sleeve, and a locking device for fixing the steel column on the concrete cushion layer is inserted into the sleeve through the screw holes;

the locking device comprises a loop bar, a pressure bar, a spring, a fastening nut and a sliding block, wherein the loop bar is inserted into the sleeve, a thread matched with the fastening nut is arranged on the outer wall of one end, extending out of the sleeve, of the loop bar, the fastening nut is screwed on the loop bar and tightly pressed on the column bottom plate, an installation cavity is formed in the loop bar, the sliding block is arranged in the installation cavity in a sliding manner, a clamping tongue capable of extending out of the side wall of the loop bar and clamped into the clamping groove is fixedly arranged at the front end of the sliding block, the spring is arranged in the installation cavity, one end of the spring is pressed against the back of the sliding block, and the other end of the spring is pressed; the utility model discloses a set pole, including loop bar endotheca, the installation cavity is equipped with the bracing piece, the bottom of bracing piece sets firmly the sloping block, the tail end of slider is provided with and uses with the sloping block cooperation and forces the card tongue to return the oblique push surface in the installation cavity when pressing down the bracing piece, the sloping block butt is all the time on the oblique push surface.

By adopting the technical scheme, when the steel column is fixed, the sleeve rod is inserted into the sleeve through the screw hole, the clamping tongue is clamped into the clamping groove for fixation under the action of the spring, and then the fastening nut is screwed on the sleeve rod to enable the fastening nut to be abutted against the column bottom plate, so that the steel column is fixed on the concrete cushion layer, and the steel column is convenient to install; when the sleeve rod is disassembled, the pressing rod is pressed downwards, the pressing rod drives the clamping tongue to retract into the mounting cavity, the sleeve rod is pulled out, the fastening nut does not need to be screwed by using a tool to disassemble, and the disassembly and the reutilization are more convenient; and meanwhile, a steel pad iron assembly is arranged between the column bottom plate and the concrete cushion layer in a padded mode, so that the column bottom plate is always kept at a relative position with the concrete foundation layer under a severe weather condition, the bending resistance of the steel column is improved, and the overall safety of the building is improved to avoid collapse.

The utility model discloses further set up to: the outer fixed cover of depression bar is equipped with the spacing ring that is located the sloping block top, the spacing ring is located the installation cavity and is used for preventing the depression bar to break away from the installation cavity.

Through adopting above-mentioned technical scheme, when preventing depression bar rebound, break away from the installation cavity.

The utility model discloses further set up to: the upper surface of the front end of the clamping tongue is provided with a guide inclined plane which is convenient for the clamping tongue to be inserted into the clamping groove.

By adopting the technical scheme, before the clamping tongue is inserted into the clamping groove, the guide inclined plane enters the clamping groove in advance due to the action of the guide inclined plane at the front end, and then the clamping tongue is guided into the clamping groove, so that the situation that the clamping tongue is difficult to align to the clamping groove is avoided, and the clamping tongue can be conveniently clamped into the clamping groove.

The utility model discloses further set up to: the two springs are arranged side by side, one end of each spring is fixedly arranged on the inner wall of the mounting cavity, and the other end of each spring is pressed against the back of the corresponding sliding block.

Through adopting above-mentioned technical scheme, set up two springs, can increase the elasticity of spring, increase the stability that the latch card goes into in the draw-in groove, when can making one of them spring take place to become invalid simultaneously, whole locking device also can normal use.

The utility model discloses further set up to: and a pressing cap is fixedly arranged at one end of the pressing rod extending out of the sleeve rod.

Through adopting above-mentioned technical scheme, press on pressing the cap, can increase the area of contact of hand and depression bar, increase the comfort of hand, when avoiding pressing the depression bar, because the hand is less with the area of contact of depression bar and causes the painful production of feeling of hand.

The utility model discloses further set up to: the screw is four, and sets up about the central axis symmetry of column bottom plate.

Through adopting above-mentioned technical scheme, four screws are respectively about column bottom plate central axis symmetry setting, make column bottom plate atress more even, and stability is better.

The utility model discloses further set up to: the steel shim plate assembly comprises a plurality of steel shim plates.

Through adopting above-mentioned technical scheme, select different quantity's steel pad iron pad to establish between column bottom plate and concrete cushion, adapt to different heights.

The utility model discloses further set up to: the processing thickness of the steel sizing block is 3-30 mm.

To sum up, the utility model discloses a beneficial technological effect does:

1. by arranging the locking device, when the locking device is installed, the clamping tongue can be automatically clamped into the clamping groove under the action of the spring, meanwhile, a fastening nut is screwed on the loop bar above the column base plate, the column base plate is fixed on the concrete cushion layer, the installation is convenient, the structure is stable, when the locking device is disassembled, the sleeve bar can be disassembled and taken out only by pressing the pressing rod to enable the clamping tongue to retract into the clamping groove, and tools are not needed, so that the locking device is more convenient to disassemble and is convenient to recycle;

2. the guide inclined plane is arranged, so that the clamping tongue can be conveniently clamped into the clamping groove;

3. through setting up two springs, increase the elasticity of spring, increase the stability that the card tongue card was gone into in the draw-in groove.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a schematic structural view of the protrusion locking device of the present invention.

In the figure, 1, a column bottom plate; 2. a steel shim assembly; 21. a steel sizing block; 3. a concrete cushion; 4. a sleeve; 41. a card slot; 5. a locking device; 51. a loop bar; 511. a mounting cavity; 52. a pressure lever; 521. a sloping block; 522. a limiting ring; 523. pressing the cap; 53. a spring; 54. fastening a nut; 55. a slider; 551. a latch; 552. obliquely pushing the surface; 553. a guide ramp.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a prevent interim fixed knot of column base steel construction structure that collapses, including column bottom plate 1, steel pad iron subassembly 2, concrete bed course 3, sleeve 4 and locking device 5, column bottom plate 1 is square steel plate, welds in the steel column bottom for support the steel column. Column bottom plate 1 is arranged in on concrete cushion 3, has filled up steel filler iron subassembly 2 between concrete cushion 3 and column bottom plate 1 for column bottom plate 1 remains throughout under the bad weather condition and the concrete foundation layer between the relative position, promotes the bending resistance of steel column, improves the whole security of building and avoids collapsing. Four screw holes are uniformly formed in the outer side of the steel column along the circumferential direction of the steel column on the column bottom plate 1 at intervals, and the four screw holes are symmetrically arranged about the central axis of the column bottom plate 1. The sleeve 4 with an upper end opening and the top flush with the top surface of the concrete cushion 3 is embedded in the concrete cushion 3 under the screw hole, a clamping groove 41 protruding outwards is formed in the inner wall of the sleeve 4 in an integrated mode perpendicular to the sleeve 4, and the locking device 5 penetrates through the screw hole and is inserted into the sleeve 4 to fix the steel column on the concrete cushion 3.

Referring to fig. 3, the locking device 5 includes a sleeve rod 51, a pressing rod 52, a spring 53, a fastening nut 54 and a slider 55, the sleeve rod 51 is inserted into the sleeve 4 and provided with a screw thread adapted to the fastening nut 54 on an outer wall of one end extending out of the sleeve 4, and the fastening nut 54 is screwed on the sleeve rod 51 and pressed on the column base plate 1. An installation cavity 511 is formed in the sleeve rod 51 at the bottom of the sleeve rod 51, a sliding block 55 is arranged in the installation cavity 511 in a sliding mode, the sliding block 55 is a rectangular block, and a clamping tongue 551 which can extend out of the side wall of the sleeve rod 51 and is clamped into the clamping groove 41 is integrally formed at the front end of the sliding block 55 and the sliding block 55. The spring 53 is arranged in the mounting cavity 511, one end of the spring 53 is pressed against the back of the sliding block 55, and the other end of the spring 53 is pressed against the inner wall of the mounting cavity 511 for driving the sliding block 55 to extend out of the mounting cavity 511 and be clamped into the clamping groove 41. A pressing rod 52 inserted into the installation cavity 511 is sleeved in the sleeve rod 51 along the axis of the sleeve rod 51, an inclined block 521 is integrally formed at the bottom end of the pressing rod 52, and the inclined direction of the inclined block 521 is gradually reduced from the side provided with the spring 53 to the side provided with the latch 551; the slider 55 has a tapered surface 552 at the rear end thereof for engaging with the tapered block 521 and forcing the latch 551 to retract into the mounting cavity 511 when the pressing rod 52 is pressed downward, and the tapered block 521 is always in contact with the tapered surface 552 during sliding.

During the use, in with pre-buried into concrete cushion 3 of sleeve 4 when concreting cushion 3, will have the steel column of column bottom plate 1 and stand on concrete cushion 3, when standing up, establish steel parallels subassembly 2 between column bottom plate 1 and concrete cushion 3. The locking device 5 is inserted into the sleeve 4 through the screw hole, the clamping tongue 551 is clamped into the clamping groove 41 under the action of the spring 53, the sleeve rod 51 is screwed by the fastening nut 54, the fastening nut 54 is abutted against the column base plate 1, and the steel column is fixed on the concrete cushion 3. When the locking device is detached in the later period, the pressing rod 52 is pressed downwards, the clamping tongue 551 retracts into the mounting cavity 511, the locking device 5 is pulled out outwards, a nut does not need to be screwed by using a tool, and the detachment is more convenient and quicker.

Referring to fig. 3, the pressing rod 52 is fixedly sleeved with a limiting ring 522 located above the inclined block 521, and the limiting ring 522 is located in the installation cavity 511 and is used for preventing the pressing rod 52 from being separated from the installation cavity 511 when moving upwards.

Referring to fig. 3, in order to facilitate the engagement of the latch 551 into the latch groove 41, a guide slope 553 for facilitating the insertion of the latch 551 into the latch groove 41 is provided on an upper surface of a front end of the latch 551, and an inclination direction of the guide slope 553 is gradually increased toward the mounting chamber 511. Before the latch 551 is inserted into the slot 41, the guide inclined plane 553 advances into the slot 41 due to the effect of the front end guide inclined plane 553, and then the latch 551 is guided into the slot 41, so that the situation that the latch 551 is difficult to align with the slot 41 is avoided, and the latch 551 is conveniently clamped into the slot 41.

In order to increase the elastic force of the spring 53, the spring 53 can conveniently eject the clamping tongue 551 out of the mounting cavity 511, two springs 53 are arranged in the mounting cavity 511 side by side, one end of each spring 53 is fixedly arranged on the inner wall of the mounting cavity 511, the other end of each spring 53 is pressed against the back of the corresponding slider 55, the elastic force of the two springs 53 is stronger, the problem that the whole locking device 5 cannot be used when one spring 53 fails can be avoided, and the service life of the locking device 5 is prolonged.

Referring to fig. 3, a pressing cap 523 is fixedly arranged at one end of the pressing rod 52 extending out of the loop bar 51, the diameter of the pressing cap 523 is larger than that of the pressing rod 52, when the pressing rod 52 is pressed downwards, the pressing cap 523 is pressed, the contact area between a hand and the pressing rod 52 can be increased, the comfortable feeling of the hand is increased, and the hand pain caused by the small contact area between the hand and the pressing rod 52 when the pressing rod 52 is pressed is avoided.

The steel shim plate assembly 2 comprises a plurality of steel shim plates 21 stacked one on top of the other. The processing thickness of each steel sizing block 21 is 3-30 mm, for example, the thickness of the steel sizing block 21 is 3mm, 5mm, 8mm, 12mm, 20mm, 30 mm. Conventionally, 3-5 steel sizing blocks 21 with different thicknesses are stacked to form a steel sizing block assembly 2. The height of the steel shim stock assembly 2 is approximately 50 mm. Easily understand, polylith steel parallels subassembly 2 sets up between column bottom plate 1 and concrete foundation layer, makes the position of laminating with steel parallels subassembly 2 on column bottom plate 1 receive the support of steel parallels subassembly 2 all the time for column bottom plate 1 keeps all the time and concrete foundation layer between the relative position under the bad weather condition, promotes the bending resistance of steel construction post, improves the whole security of building and avoids collapsing.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a prevent interim fixed knot of column base steel construction structure that collapses, includes column bottom plate (1), the setting of column bottom plate (1) below concrete cushion (3) and the steel pad iron subassembly (2) of setting between column bottom plate (1) and concrete cushion (3), its characterized in that: screw holes are uniformly formed in the outer side of the steel column along the circumferential direction of the steel column at intervals on the column bottom plate (1), a sleeve (4) with an opening at the upper end and the top flush with the top surface of the concrete cushion (3) is fixedly arranged in the concrete cushion (3) under the screw holes, a clamping groove (41) protruding outwards is fixedly arranged on the inner wall of the sleeve (4) and perpendicular to the sleeve (4), and a locking device (5) for fixing the steel column on the concrete cushion (3) is inserted into the sleeve (4) through the screw holes;

the locking device (5) comprises a loop bar (51), a pressure bar (52), a spring (53), a fastening nut (54) and a slide block (55), the loop bar (51) is inserted into the sleeve (4) and is provided with a thread matched with the fastening nut (54) on the outer wall of one end extending out of the sleeve (4), the fastening nut (54) is screwed on the sleeve rod (51) and is pressed on the column base plate (1), a mounting cavity (511) is formed in the loop bar (51), a sliding block (55) is arranged in the mounting cavity (511) in a sliding manner, the front end of the slide block (55) is fixedly provided with a clamping tongue (551) which can extend out of the side wall of the loop bar (51) and be clamped into the clamping groove (41), the spring (53) is arranged in the mounting cavity (511), one end of the spring is pressed against the back of the sliding block (55), and the other end of the spring is pressed against the inner wall of the mounting cavity (511) and used for driving the sliding block (55) to be clamped into the clamping groove (41); the pressing rod (52) extending into the installation cavity (511) is sleeved in the sleeve rod (51), the bottom end of the pressing rod (52) is fixedly provided with an inclined block (521), the tail end of the sliding block (55) is provided with an inclined pushing surface (552) which is matched with the inclined block (521) to use and can force the clamping tongue (551) to return into the installation cavity (511) when the pressing rod (52) is pressed downwards, and the inclined block (521) is always abutted against the inclined pushing surface (552).

2. The collapse-preventing column bottom steel structure temporary fixing structure as claimed in claim 1, wherein: the outer fixed cover of depression bar (52) is equipped with spacing ring (522) that are located sloping block (521) top, spacing ring (522) are located installation cavity (511) and are used for preventing depression bar (52) break away from installation cavity (511).

3. The collapse-preventing column bottom steel structure temporary fixing structure as claimed in claim 1, wherein: the upper surface of the front end of the clamping tongue (551) is provided with a guide inclined surface (553) which is convenient for the clamping tongue (551) to be inserted into the clamping groove (41).

4. The collapse-preventing column bottom steel structure temporary fixing structure as claimed in claim 1, wherein: two springs (53) are arranged side by side, one end of each spring (53) is fixedly arranged on the inner wall of the installation cavity (511), and the other end of each spring is pressed against the back of the sliding block (55).

5. The collapse-preventing column bottom steel structure temporary fixing structure as claimed in claim 1, wherein: one end of the pressure lever (52) extending out of the loop lever (51) is fixedly provided with a pressure cap (523).

6. The collapse-preventing column bottom steel structure temporary fixing structure as claimed in claim 1, wherein: the screw holes are four and are symmetrically arranged around the central axis of the column bottom plate (1).

7. The collapse-preventing column bottom steel structure temporary fixing structure as claimed in claim 1, wherein: the steel sizing block assembly (2) comprises a plurality of steel sizing blocks (21).

8. The collapse-preventing column bottom steel structure temporary fixing structure of claim 7, wherein: the processing thickness of the steel sizing block (21) is 3-30 mm.