CN110080277B

CN110080277B - Direct-buried bolt mounting method adopting mounting jig frame

Info

Publication number: CN110080277B
Application number: CN201910277930.4A
Authority: CN
Inventors: 管聪聪; 潘志刚; 沈汉兵; 刘高峰; 宋茂祥; 曾斌
Original assignee: Shanghai Baoye Group Corp Ltd
Current assignee: Shanghai Baoye Group Corp Ltd
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2021-01-15
Anticipated expiration: 2039-04-08
Also published as: CN110080277A

Abstract

The invention relates to the field of foundations of substructure, in particular to a method for installing a direct-buried bolt by adopting an installation jig frame. A method for installing a directly-buried bolt by adopting an installation jig frame comprises the following steps of: the method is implemented in sequence according to the following steps: mounting a jig frame; binding reinforcing steel bars and installing templates; mounting a bolt; and fourthly, pouring concrete. The invention has the advantages of quick installation, cost saving, safety and reliability.

Description

Direct-buried bolt mounting method adopting mounting jig frame

Technical Field

The invention relates to the field of foundations of substructure, in particular to a method for installing a direct-buried bolt by adopting an installation jig frame.

Background

When a large industrial factory building is constructed, a large amount of equipment needs to be installed, all equipment needs to be fixed by bolts, people usually adopt a direct-buried bolt mode to carry out bolt installation work during construction, so-called direct-buried bolts are used for directly positioning foundation bolts according to drawing requirements, installing the foundation bolts on a steel reinforcement framework and pouring the foundation bolts in concrete, and when the equipment is installed, only the reserved holes of a base are sleeved on the direct-buried bolts for alignment and fastening; the bolt is being held up to one usually when the on-the-spot bolt installation, the welded fastening operation is carried out to the other hand, the protection casing still must still be compromise to both hands simultaneously, workman just fixes bolt and framework of steel reinforcement joint position generally for faster construction bolt, adjusts upper portion position through bolt inclination and guarantees that the bolt coincide with the axis position, the bolt that the construction came out is the straightness deviation of hanging down too big usually, and carries out the construction of multichannel work content simultaneously, has more potential safety hazard.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a mounting bracket which is quick to mount, cost-saving, safe and reliable, and the invention discloses a direct-buried bolt mounting method adopting a mounting jig.

The invention achieves the purpose by the following technical scheme:

a method for installing a directly-buried bolt by adopting an installation jig frame comprises the following steps of: the method is implemented in sequence according to the following steps:

mounting a jig frame: the jig frame comprises a jig frame body, a fixed rod, a wire retracting box, a wire rope and a clamp, wherein the jig frame body is a cubic frame, the jig frame body comprises a lower transverse rod, an upper transverse rod and upright rods, the number of the lower transverse rod, the number of the upper transverse rod and the number of the upright rods are four, the four lower transverse rods and the four upper transverse rods are sequentially spliced end to end into a congruent lower rectangular frame and an congruent upper rectangular frame, and two ends of the four upright rods are respectively and vertically connected with corresponding vertexes of the lower rectangular frame and the upper rectangular frame so as to be spliced into the cubic jig frame body;

the fixed rod is a cross-shaped horizontal rod piece, four outer end points of the fixed rod are respectively fixed on the middle points of the four upper cross rods, the wire winding and unwinding box is fixed on a cross point of the center of the fixed rod, a wire winding mechanism is arranged in the wire winding and unwinding box, one end of a wire rope is tied on the wire winding mechanism in the wire winding and unwinding box, and the other end of the wire rope is connected with a horizontally arranged annular clamp after being led out of the wire winding and unwinding box;

the clamp is provided with an inner diameter adjusting device, and when the cord of the clamp drops freely, the straight line where the cord passes through the center point of the clamp.

Binding reinforcing steel bars and installing templates: binding reinforcing steel bars on a foundation, constructing according to the requirements of a drawing strictly during binding, installing a template after finishing binding the reinforcing steel bars and passing the supervision and acceptance, paying attention to the control of the section size during template installation, reserving a control line for checking the template installation condition, and reporting the qualification of the supervision and acceptance after the template installation is finished;

mounting a bolt: placing the jig frame body at a positioning point of the bolt, fixing the jig frame body through close friction of the bottom cross bar, external rubber and steel bars, avoiding displacement of the jig frame body, sleeving the bolt into a central hole of a clamp and fixing the bolt by using the clamp, winding up a cord by winding and unwinding a wire box to hang the clamp so as to enable the bolt to be in a vertical state, then winding up the cord by winding and unwinding the wire box to vertically lower the bolt to a designed elevation, keeping the bolt in the vertical state at the moment, fixing the bolt, and fixing other bolts one by one in such a way;

fourthly, pouring concrete: concrete is poured in the formwork, the stability of the foundation frame is required to be checked in time when the concrete is poured, the situation that the concrete is prone to moving is required to be processed in time when the concrete is found, the relative position of a bolt is prevented from changing, meanwhile, the vibration work of the concrete is required to be done, the phenomena that the concrete is rapidly inserted and slowly pulled out, and no leakage point exists in layering are required, and the phenomena that the concrete has honeycombs, leaked ribs and even holes are avoided.

The direct-buried bolt mounting method adopting the mounting jig frame is characterized in that: the method comprises the following steps that firstly, the lower cross rod and the upper cross rod are both in a tubular shape, the outer side surface of the lower cross rod is coated with soft rubber, and the lower cross rod, the upper cross rod and the vertical rod are all made of hollow light alloy materials such as aluminum alloy and the like.

The invention has the following beneficial effects: the bolt installing and positioning device can quickly and efficiently complete the installing and positioning work of the bolt, guarantee the perpendicularity of the bolt, avoid the situation that equipment cannot be installed in place due to the fact that the bolt inclines, effectively save labor cost, reduce uncertain factors among processes, save construction period, meanwhile, guarantee the safety of workers and avoid the situation that a large amount of toxic substances are sucked.

Drawings

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

fig. 2 is a schematic view of the structure of the present invention in use.

Detailed Description

The invention is further illustrated by the following specific examples.

Example 1

A method for installing a direct-buried bolt by adopting an installation jig frame is implemented according to the following steps in sequence:

mounting a jig frame: as shown in fig. 1: the jig frame comprises a jig frame body 1, a fixing rod 2, a wire releasing and releasing box 3, a wire rope 4 and a clamp 5, wherein the jig frame body 1 is a cubic frame, the jig frame body 1 comprises a lower cross rod 11, an upper cross rod 12 and vertical rods 13, the number of the lower cross rod 11, the number of the upper cross rod 12 and the number of the vertical rods 13 are respectively four, the four lower cross rods 11 and the four upper cross rods 12 are sequentially spliced end to form a congruent lower rectangular frame and an upper rectangular frame, and two ends of the four vertical rods 13 are respectively and vertically connected with corresponding vertexes of the lower rectangular frame and the upper rectangular frame to form the cubic jig frame body 1; in this embodiment: the lower cross bar 11 and the upper cross bar 12 are both tubular, the outer side surface of the lower cross bar 11 is coated with soft rubber, and the lower cross bar 11, the upper cross bar 12 and the vertical bar 13 are all made of hollow light alloy materials such as aluminum alloy and the like;

the fixed rod 2 is a cross-shaped horizontal rod piece, four outer end points of the fixed rod 2 are respectively fixed on the middle points of four upper cross rods 12, the wire releasing and releasing box 3 is fixed on a cross point of the center of the fixed rod 2, a wire winding mechanism is arranged in the wire releasing and releasing box 3, one end of a wire rope 4 is tied on the wire winding mechanism in the wire releasing and releasing box 3, and the other end of the wire rope 4 is led out from the wire releasing and releasing box 3 and then is connected with a horizontally arranged annular clamp 5;

the clamp 5 is provided with an inner diameter adjusting device, and when the wire rope 4 of the clamp 5 freely drops, the straight line of the wire rope 4 passes through the center point of the clamp 5.

Binding reinforcing steel bars and installing templates: binding reinforcing steel bars 6 on a foundation, constructing according to the drawing requirements strictly during binding, installing a template 7 after finishing binding the reinforcing steel bars 6 and passing the supervision and acceptance, paying attention to the control of the section size during the installation of the template 7, reserving a control line for checking the installation condition of the template 7, and reporting the qualification of the supervision and acceptance after finishing the installation of the template 7;

mounting a bolt: placing the jig frame body 1 at a positioning point of the bolt 8, fixing the jig frame body 1 through the tight friction of the lower cross bar 11, external rubber and the steel bar 6, avoiding the displacement of the jig frame body 1, sleeving the bolt 8 into a central hole of the clamp 5 and fixing the bolt by using the clamp 5, retracting the wire box 3 to retract the wire rope 4 to lift the clamp 5 so as to enable the bolt 8 to be in a vertical state, then releasing the wire rope 4 through the wire box 3 to vertically lower the bolt 8 to a designed elevation, and fixing the bolt 8 by keeping the bolt 8 in the vertical state at the moment, so that other bolts 8 are fixed one by one;

fourthly, pouring concrete: concrete is poured in the formwork 7, the stability of the foundation frame needs to be checked in time when the concrete is poured, the situation that the movement tendency exists needs to be processed in time when the movement tendency is found, the relative position of the bolt 8 is prevented from changing, meanwhile, the vibration work of the concrete needs to be done, the phenomena of quick insertion, slow pulling, layering and no leakage point are achieved, and the phenomena that the concrete has honeycombs, leaked ribs and even holes are avoided.

Claims

1. A method for installing a directly-buried bolt by adopting an installation jig frame comprises the following steps of: the method is implemented in sequence according to the following steps:

mounting a jig frame: the jig frame comprises a jig frame body (1), a fixing rod (2), a wire winding and unwinding box (3), a wire rope (4) and a clamp (5), wherein the jig frame body (1) is a cubic frame, the jig frame body (1) comprises a lower cross rod (11), an upper cross rod (12) and upright rods (13), the number of the lower cross rod (11), the upper cross rod (12) and the upright rods (13) is four, the four lower cross rods (11) and the four upper cross rods (12) are sequentially spliced end to form a congruent lower rectangular frame and an upper rectangular frame, and two ends of the four upright rods (13) are respectively and vertically connected with corresponding vertexes of the lower rectangular frame and the upper rectangular frame to form the cubic jig frame body (1);

the fixing rod (2) is a cross-shaped horizontal rod piece, four outer end points of the fixing rod (2) are respectively fixed on the middle points of four upper cross rods (12), the wire winding and unwinding box (3) is fixed on a cross point of the center of the fixing rod (2), a wire winding mechanism is arranged in the wire winding and unwinding box (3), one end of a wire rope (4) is tied on the wire winding mechanism in the wire winding and unwinding box (3), and the other end of the wire rope (4) is led out from the wire winding and unwinding box (3) and then is connected with a horizontally arranged annular clamp (5);

the clamp (5) is provided with an inner diameter adjusting device, and when the wire rope (4) of the clamp (5) freely drops, the straight line of the wire rope (4) passes through the central point of the clamp (5);

binding reinforcing steel bars and installing templates: binding reinforcing steel bars (6) on the foundation, and installing a template (7) after the reinforcing steel bars (6) are bound;

mounting a bolt: placing the jig frame body (1) at a positioning point of the bolt (8), fixing the jig frame body (1) through tight friction of a lower cross bar (11), external rubber and a steel bar (6), avoiding displacement of the jig frame body (1), sleeving the bolt (8) into a central hole of a clamp (5), fixing the bolt with the clamp (5), winding up a cord (4) through a winding and unwinding box (3) to lift the clamp (5) so as to enable the bolt (8) to be in a vertical state, then winding and unwinding the cord (4) through the winding and unwinding box (3) to vertically lower the bolt (8) to a designed elevation, keeping the bolt (8) in the vertical state, fixing the bolt (8), and fixing other bolts (8) one by one;

fourthly, pouring concrete: concrete is poured into the formwork (7).

2. The method for installing the direct-buried bolt by using the installation jig frame as claimed in claim 1, wherein: in the step I, the lower cross rod (11) and the upper cross rod (12) are both tubular, the outer side surface of the lower cross rod (11) is coated with soft rubber, and the lower cross rod (11), the upper cross rod (12) and the vertical rod (13) are all made of aluminum alloy.