CN216516913U

CN216516913U - Formwork support rod base

Info

Publication number: CN216516913U
Application number: CN202123223879.0U
Authority: CN
Inventors: 李佳男; 李阳; 陈璐; 刘会超; 石啸威; 代小龙
Original assignee: China Construction Seventh Engineering Division Corp Ltd
Current assignee: China Construction Seventh Engineering Division Corp Ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-13
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to a template support rod base, which effectively solves the problem that a support rod is inconvenient to disassemble; the technical scheme who solves includes cylindric casing, it has the circular slot to open on vertical direction and the up end along the casing axis, the coaxial drum that is equipped with in the circular slot, the drum can reciprocate in the circular slot, the drum lower extreme is the toper that the radius reduces gradually, it has a plurality of logical grooves to follow the circumference equipartition on the lateral wall of circular slot, every leads to the inslot and all is equipped with a rectangular block, the one end of every rectangular block all extends the casing outside, the other end all stretches into the circular slot and respectively is fixed with a slider, the slider can be followed casing radial slide with the rectangular block together, casing outside cover has the sleeve pipe, the sleeve pipe can make all sliders gather together to the casing axis, before all sliders gather together to the casing axis, the drum can contact bottom the casing, all sliders gather together to the casing axis, the back drum can only contact with the slider and can't contact bottom the casing.

Description

Formwork support rod base

Technical Field

The utility model relates to the field of building construction, in particular to a formwork supporting rod base.

Background

In the building construction, the templates are supported and fixed through a plurality of supporting rods, in order to adapt to different heights, most supporting rods at the current stage can be subjected to height adjustment through threads or shaft pins, when the concrete is not solidified after pouring, the gravity of the concrete is completely born by the supporting rods below the templates, so that the vertical supporting rods are subjected to larger axial pressure than that of the supporting rods during fixing the templates, the extrusion of the supporting rods after the concrete is solidified cannot disappear, the supporting rods subjected to height adjustment through the threads cannot rotate and retract, the shaft pins on the supporting rods subjected to height adjustment through the shaft pins cannot be pulled out, the disassembly of the templates and the supporting rods is inconvenient, workers even disassemble the supporting rods in a mode of knocking the bottoms of the supporting rods during actual construction, and the templates above the supporting rods are very easy to fall to cause accidents after the supporting rods fall, and the safety of constructors is threatened.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the template support rod base, which effectively solves the problem of inconvenient disassembly of the support rods.

The technical scheme of its solution is, a template bracing piece base, including cylindric casing, it has the circular slot to open on vertical direction and the up end along the casing axis, the circular slot is the coaxial drum that is equipped with, the drum can reciprocate in the circular slot, the drum lower extreme is the toper that the radius reduces gradually, it has a plurality of logical grooves to follow the circumference equipartition on the lateral wall of circular slot, every leads to the inslot and all is equipped with a rectangular block, the one end of every rectangular block all extends the casing outside, the other end all stretches into the circular slot and respectively is fixed with a slider, the slider can be followed casing radial slide with the rectangular block together, casing outside cover has the sleeve pipe, the sleeve pipe can make all sliders gather together to the casing axis, all sliders can contact bottom the casing to the casing axis before gathering together the drum, all sliders gather together to the casing axis the back drum can only contact with the slider and can't contact bottom the casing.

The surface, far away from the shell axis, of each sliding block is a cylindrical surface, the surface, close to the shell axis, of each sliding block is a conical surface with the same taper as the lower end of the cylinder, the contact area between the cylinder and the sliding blocks can be increased by the two conical surfaces with the same taper after all the sliding blocks are gathered to the shell axis, stress concentration is prevented, the bottoms of the sliding blocks are always in contact with the bottom surface of the circular groove, and the pressure bearing capacity of the sliding blocks is improved.

The outer side wall of the rectangular block is provided with a groove, the inner side wall of the sleeve is fixedly provided with a spring plate, and the spring plate can be clamped in the groove when the sleeve is in contact with all the rectangular blocks, so that the sleeve is prevented from being separated from the rectangular blocks under the gravity.

The upper end surface of the sleeve is a conical surface with a large upper part and a small lower part, so that the sleeve can push all the sliding blocks to gather towards the axis of the shell conveniently through the rectangular block.

The outer side wall of the cylinder is fixedly provided with a baffle ring, the inner wall of the circular groove above the baffle ring is fixedly provided with a stop dog, and the stop dog can prevent the cylinder from separating from the circular groove through the baffle ring.

The inner wall of the cylinder is provided with internal threads, so that other devices can be conveniently fixed with the cylinder through the threads.

The bottom of the shell is fixed with a bottom plate, so that the contact area between the base and the ground is increased, and the pressure bearing capacity is improved

The utility model can safely and quickly release the pressure of the concrete on the supporting rod when the formwork supporting rod is disassembled, reduce the pretightening force on the supporting rod, facilitate the disassembly of the supporting rod and improve the working efficiency.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a front sectional view of the present invention when not in use.

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

FIG. 4 is an enlarged view of the utility model at A in FIG. 2.

Fig. 5 is a detail view of the housing of the present invention.

FIG. 6 is a schematic view of an arc slider and a rectangular block according to the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, the utility model includes a cylindrical housing 1, an axis of the housing 1 is vertical, a circular groove 2 is formed on an upper end surface of the housing 1, a cylinder 3 is coaxially arranged in the circular groove 2, the cylinder 3 can move up and down in the circular groove 2, a lower end of the cylinder 3 is conical with a gradually decreasing radius, a plurality of through grooves 4 are uniformly distributed on a side wall of the circular groove 2 along the circumference, a rectangular block 5 is arranged in each through groove 4, one end of each rectangular block 5 extends to the outside of the housing 1, the other end of each rectangular block 5 extends into the circular groove 2 and is respectively fixed with a slider 6, the sliders 6 can slide along the radial direction of the housing 1 together with the rectangular blocks 5, a sleeve 7 is sleeved on the outside of the housing 1, the sleeve 7 can enable all the sliders 6 to gather to the axis of the housing 1, the cylinder 3 can contact with the bottom of the housing 1 before all the sliders 6 gather to the axis of the housing 1, and the cylinder 3 can only contact with the sliders 6 but cannot contact with the bottom of the housing 1 after all the sliders 6 gather to the axis of the housing 1.

Every slider 6 the one side of keeping away from casing 1 axis be the face of cylinder, the one side that every slider 6 is close to casing 1 axis is the conical surface the same with drum 3 lower extreme tapering, and two conical surfaces that the tapering is the same after all sliders 6 are gathered together to casing 1 axis can increase drum 3 and slider 6's area of contact, prevent stress concentration, and slider 6 bottom contacts with 2 bottom surfaces of circular slot all the time, improves slider 6's compressive capacity.

The outer side wall of the rectangular block 5 is provided with a groove 8, the inner side wall of the sleeve 7 is fixedly provided with a spring plate 9, and the spring plate 9 can be clamped in the groove 8 when the sleeve 7 is in contact with all the rectangular blocks 5, so that the sleeve 7 is prevented from being separated from the rectangular blocks 5 under the gravity.

The upper end surface of the sleeve 7 is a conical surface with a large upper part and a small lower part, so that the sleeve 7 can push all the sliding blocks 6 to gather towards the axis of the shell 1 conveniently through the rectangular block 5.

The outer side wall of the cylinder 3 is fixedly provided with a baffle ring 10, the inner wall of the circular groove 2 above the baffle ring 10 is fixedly provided with a stop block 11, and the stop block 11 can prevent the cylinder 3 from separating from the circular groove 2 through the baffle ring 10.

The inner wall of the cylinder 3 is provided with internal threads, so that other devices can be conveniently fixed with the cylinder 3 through the threads.

The bottom of the shell 1 is fixed with a bottom plate 12, so that the contact area between the base and the ground is increased, and the pressure bearing capacity is improved.

When the utility model is used, the cylinder 3 is firstly lifted upwards, the lower end of the cylinder 3 is separated from the bottom of the shell 1, a gap is reserved between the cylinder 3 and the sliding block 6, the sleeve 7 is lifted upwards, the sleeve 7 pushes all the rectangular blocks 5 and the sliding block 6 to gather together towards the axis of the shell 1 through the conical surface at the upper end, after the elastic sheets 9 on the sleeve 7 are respectively clamped into all the grooves 8, the cylinder 3 is released, the cylinder 3 moves downwards under the gravity, because the conical shape at the bottom of the cylinder 3 is the same as the conical shape of the inner side wall of the sliding block 6, the side wall at the bottom of the cylinder 3 can be tightly attached to all the sliding blocks 6, an outward sliding force is given to the sliding blocks 6, finally, the sleeve 7 is released, because the elastic sheets 9 are respectively clamped into all the grooves 8, and the sliding blocks 6 also have the tendency of outward movement due to the force given by the cylinder 3, the sleeve 7 can not slide downwards under the gravity, finally, the supporting rod is fixedly connected with the cylinder 3 through the internal thread on the cylinder 3, and then the template is fixed according to the normal template fixing step;

when concrete is poured after the template is fixed, the gravity of the concrete is borne by the supporting rods, the supporting rods transmit force to the cylinder 3, the cylinder 3 transmits the force to the sliding block 6 through the conical surface with the same taper as the sliding block 6, the sliding block 6 divides the force given by the cylinder 3 into a vertical downward component force and a component force along the radial direction of the shell 1, the vertical downward component force is borne by the bottom of the circular groove 2 which is always in contact with the sliding block 6, and then the vertical downward component force is transmitted to the ground through the shell 1 and the bottom plate 12, and the component force along the radial direction of the shell 1 is borne by the sleeve 7, namely all force bearing positions on the device are in surface contact when in use, so that the device is safe and reliable;

when the device is disassembled, the sleeve 7 is moved downwards by a hammer or a foot, because the two component forces can be adjusted through the conicity between the lower end of the cylinder 3 and the inner side wall of the slide block 6, namely the extrusion force between the sleeve 7 and the rectangular block 5 can be adjusted, the friction force between the sleeve 7 and the rectangular block 5 can be adjusted through the conicity between the lower end of the cylinder 3 and the inner side wall of the slide block 6, so that the sleeve 7 can move downwards more conveniently, after the sleeve 7 is separated from the rectangular block 5, the slide block 6 and the rectangular block 5 move outwards along the radial direction of the shell 1 under the action of the component force along the radial direction of the shell 1, the distance between the plurality of slide blocks 6 is increased, the cylinder 3 moves downwards, finally, the lower end of the cylinder 3 is contacted with the bottom surface of the circular groove 2, the small-amplitude downward movement of the cylinder 3 is completed, a gap exists between the support rod and the template, the extrusion force given by the concrete to the support rod is released, if the template falls off from the concrete, because the distance between bracing piece and the template is little, so the template can fall on the bracing piece with the state of slight slope, can not drop, protects the constructor of below to after the pressure on the bracing piece was released, the distance between bracing piece and the template can be adjusted through rectangular block 5 at the ascending thickness of 1 radial direction of casing, makes the upper end of the support bar can break away from with the template, can support the template again when the template falls.

The utility model has the following remarkable advantages:

1. when the support rod is used, the plurality of sliding blocks 6 are restrained by the sleeve 7, so that the sliding blocks 6 cannot move outwards, the lower end of the cylinder 3 is further separated from the bottom surface of the circular groove 2, after the support rod is used, the sleeve 7 is only required to be pushed downwards, the sliding blocks 6 give way to the cylinder 3, the cylinder 3 moves downwards and contacts with the bottom surface of the circular groove 2 again, the upper end of the support rod is separated from the template, a gap is formed between the upper end of the support rod and the template, the support rod does not bear pressure any more, the support rod is convenient to disassemble, in addition, the support rod is still in a vertical state after the cylinder 3 moves downwards, and the gap between the support rod and the template is small, so even if the template suddenly drops at the moment, the support rod can support the template again, the template cannot directly drop, and compared with the existing mode of directly knocking the bottom of the support rod, the safety of the support rod is obviously improved.

2. The inner side wall of the sliding block 6 is a conical surface with the same taper as the lower end of the cylinder 3, so that the pressure applied by the cylinder 3 can be divided into two parts, the extrusion force between the rectangular block 5 and the sleeve 7 is reduced, the friction force between the sleeve 7 and the rectangular block 5 is further reduced, a worker can conveniently push the sleeve 7 to move downwards during disassembly, the contact area of the sliding block 6 and the cylinder 3 during contact and stress can be increased, meanwhile, the contact between the sliding block 6 and the shell 1 is surface contact, the pressure bearing capacity of the whole device is improved, and the work is firm.

Claims

1. The template supporting rod base is characterized by comprising a cylindrical shell (1), wherein the axis of the shell (1) is vertically arranged, the upper end face of the shell is provided with a circular groove (2), a cylinder (3) is coaxially arranged in the circular groove (2), the cylinder (3) can move up and down in the circular groove (2), the lower end of the cylinder (3) is in a conical shape with the radius gradually reduced, the side wall of the circular groove (2) is uniformly provided with a plurality of through grooves (4) along the circumference, each through groove (4) is internally provided with a rectangular block (5), one end of each rectangular block (5) extends to the outer side of the shell (1), the other end of each rectangular block extends into the circular groove (2) and is respectively and fixedly provided with a sliding block (6), the sliding blocks (6) can radially slide along the shell (1) together with the rectangular blocks (5), the outer side of the shell (1) is sleeved with a sleeve (7), and the sleeve (7) can enable all the sliding blocks (6) to gather together towards the axis of the shell (1), all the sliding blocks (6) gather together towards the axis of the shell (1), the front cylinder (3) can be contacted with the bottom of the shell (1), and all the sliding blocks (6) gather together towards the axis of the shell (1), and the rear cylinder (3) can only be contacted with the sliding blocks (6) but can not be contacted with the bottom of the shell (1).

2. The formwork support bar base of claim 1, wherein one side of each slider (6) far away from the axis of the shell (1) is a cylindrical surface, one side of each slider (6) near the axis of the shell (1) is a conical surface with the same taper as the lower end of the cylinder (3), and the bottom of each slider (6) is always in contact with the bottom surface of the circular groove (2).

3. The formwork support bar base of claim 1, wherein the outer side wall of the rectangular block (5) is provided with a groove (8), the inner side wall of the sleeve (7) is fixed with a spring plate (9), and the spring plate (9) can be clamped in the groove (8) when the sleeve (7) is in contact with all the rectangular blocks (5).

4. The formwork support bar base of claim 1, wherein the upper end surface of the sleeve (7) is a conical surface with a large upper part and a small lower part.

5. A formwork support bar base as claimed in claim 1, wherein a stop ring (10) is fixed on the outer side wall of the cylinder (3), a stop block (11) is fixed on the inner wall of the circular groove (2) above the stop ring (10), and the stop block (11) can prevent the cylinder (3) from separating from the circular groove (2) through the stop ring (10).

6. A formwork support pole base as claimed in claim 1, wherein the inner wall of the cylinder (3) is internally threaded.

7. A formwork support pole base as claimed in claim 1, wherein a base plate (12) is fixed to the bottom of the housing (1).