CN2041742U - Expanding inlaying part for steps - Google Patents

Abstract

The utility model discloses an expanding inlaying part for steps which is used for anchoring concrete, brick and stone. The utility model comprises a taper tube and a taper pin. The upper and lower ends of the taper tube are provided with an upper step and a lower step, the one section of the upper part of the taper tube is a straight tube, the inner of the straight tube is provided with screw threads, and the one section of the lower end of the taper tube is a conical tube and is provided with a plurality of axial notches. The upper step is bigger than the diameter of the straight tube and the diameter of the lower step. The dimension of the taper pin is matched with the dimension of the taper tube. The expanding inlaying part has more reliable anchoring than the ordinary expansion bolt. The utility model has the advantages of low cost and convenient operation. When the expanding inlaying part is used to measure the concrete strength, the accuracy can be improved. When the expanding inlaying part is used to install the building, the electromechanical device or others, the fixed and reliable effect can be realized.

Description

Expanding inlaying part for steps

The utility model is the inserts that expands, and is the bloated inserts of step that anchoring is used on concrete, masonry.

The bloated inserts that present existing anchoring is used is formed by expand tube and taper pin as EXPANSION ANCHOR BOLTS, and the expand tube form is varied, but all belongs to the straight tube shape of hypomere opening, and it does not have step in two ends up and down, and is that taper pin has a band screw rod and be not with two kinds of screw rods.No matter the expand tube or the taper pin of any type of distending method of expand tube, taper pin is filled in by expand tube end opening place, the method of filling in has two kinds of screw rods that beat the expand tube top and tighten the band taper pin, and the anchoring of EXPANSION ANCHOR BOLTS mainly is by expand tube distending and frictional force of producing in the straight hole inwall of concrete or masonry.This EXPANSION ANCHOR BOLTS is used in the back dress pulling out method of measuring concrete strength, be that EXPANSION ANCHOR BOLTS is inserted in the concrete boring back of sclerosis, make its distending frictionally anchoring in hole wall by taper pin, do the pull of EXPANSION ANCHOR BOLTS then, when being pulled out, EXPANSION ANCHOR BOLTS takes concrete block out of, according to its withdrawal resistance or pulling test strength size measurement concrete strength.Measure concrete strength with the method for this EXPANSION ANCHOR BOLTS anchoring, because EXPANSION ANCHOR BOLTS has bigger slippage after stressed, and not only instability but also unreliable of frictionally anchoring, so the concrete strength-measuring precision is not high.This EXPANSION ANCHOR BOLTS also is used in civil construction and the electromechanical installation, is used for connecting various members or fixing electromechanical equipment.Boring on concrete, masonry, install EXPANSION ANCHOR BOLTS, by its coupling compoonent or fixing electromechanical equipment, but because the anchoring frictionally of EXPANSION ANCHOR BOLTS, stressed or easy slippage when being vibrated is therefore fixing unreliable when it.The control of installing the degree of depth and distending degree in the hole of EXPANSION ANCHOR BOLTS is with relevant by the multiple factors such as intensity, drilling depth and diameter thereof of the structural material of being holed in addition, therefore control well EXPANSION ANCHOR BOLTS install the degree of depth and the distending degree in the hole is very very difficult.

The purpose of this utility model is to propose a kind of step that anchoring is used in concrete strength-measuring and civil construction, electromechanical installation inserts that expands, to solve the deficiency of existing various EXPANSION ANCHOR BOLTS.The step inserts that expands is simple with concrete anchoring process when reaching after utilization the dress pulling out method and measuring concrete strength, and anchoring is reliable and stable, can reuse, thereby raising testing precision and efficient reduces cost; Can make connection, electromechanical equipment fixing of various members in civil construction and electromechanical installation, solid and reliable ensuring the quality of products can realize that mechanization is installed raises the efficiency, and saves steel.

Major technique content of the present utility model is that the bloated inserts of this step is made up of Taper Pipe 1 and taper pin 2.The upper end of Taper Pipe 1 tops bar 3, the lower end gets out of a predicament or an embarrassing situation 5, Taper Pipe 1 top is for one section in straight tube 6, the straight tube 6 internal thread 7 to be arranged, straight tube 6 and get out of a predicament or an embarrassing situation between 5 and to be the conical pipe 8 of upper end diameter greater than lower end diameter, external taper is unequal in it, inner taper is greater than external taper, conical pipe 8 and get out of a predicament or an embarrassing situation and 5 some shaft orientation opening grooves 4 are arranged, 3 the diameter of topping bar is greater than straight tube 6 and get out of a predicament or an embarrassing situation 5 and the diameter of conical pipe 8.Taper pin 2 is conical up big and down small, and the size of taper pin 2 matches with size, the tapering of Taper Pipe 1.

Effect of the present utility model is, top bar in the Taper Pipe upper end of inserts because this step expands, during installation its be stuck in control on the hole expand inserts to install the degree of depth very convenient.Little with relations such as the deviation of drilling depth and diameter and the intensity of structural material.Secondly the distending method of Taper Pipe is that taper pin is filled in toward root from Taper Pipe is suitable for reading, makes the Taper Pipe distending with the method for beaing taper pin or tight a bolt, and operation is very easy, is convenient to control Taper Pipe root distending degree.Also have, the bloated inserts of step mainly is to get out of a predicament or an embarrassing situation by its Taper Pipe to embed the method anchoring of blocking in the reaming groove of concrete or masonry.Therefore the withdrawal resistance of the bloated inserts of this step is very big, no slippage, and anchoring is reliable.Showing that from the pull of the bloated inserts of step its destruction is to arrive the pulling test strength limit and breaking releasing destruction by anchorage zone concrete (or masonry), is not the inserts slippage destruction of expanding.The inserts that should expand shows again that with general EXPANSION ANCHOR BOLTS comparative trial on same structural material same diameter is installed, under the bloated inserts of the degree of depth and the situation of EXPANSION ANCHOR BOLTS, the withdrawal resistance of the bloated inserts of step is far longer than the withdrawal resistance of EXPANSION ANCHOR BOLTS.The bloated inserts of this step can reuse in the back dress pulling out method of measuring concrete strength, surveys strong precision height.In the fixedly anchoring of civil construction and electromechanical installation, use not only safe and reliablely, and can realize installing mechanization, save steel and manpower.

Accompanying drawing 1 is a structural representation of the present utility model;

Accompanying drawing 2 is a conical tube structure schematic representation of the present utility model;

Accompanying drawing 3 is an anchoring scheme of installation of the present utility model;

1 Taper Pipe, 2 taper pins, 3 are topped bar, 4 opening slots, 5 are got out of a predicament or an embarrassing situation, 6 straight tubes, 7 internal threads, 8 conical pipes, 9 concrete, 10 holes, 11 reaming grooves.

The realization preferred embodiment of the utility model is that the bloated inserts of this step is made up of Taper Pipe 1, taper pin 2.The upper end of Taper Pipe 1 tops bar 3, the lower end gets out of a predicament or an embarrassing situation 5, Taper Pipe 1 top is straight tube 6 for one section, internal thread 7 is arranged in the straight tube 6, straight tube 6 and get out of a predicament or an embarrassing situation between 5 and to be the conical pipe 8 of upper end diameter greater than lower end diameter, external taper is unequal in it, and inner taper is greater than external taper, conical pipe 8 and get out of a predicament or an embarrassing situation and 5 some shaft orientation opening grooves 4 are arranged, 3 the diameter of topping bar greater than straight tube 6, get out of a predicament or an embarrassing situation 5 and the diameter of conical pipe 8.Taper pin 2 is that taper is up big and down small, and the size of taper pin 2 matches with size, the tapering of Taper Pipe 1.The Taper Pipe 1 that is somebody's turn to do the inserts that expands is made by the GCr steel with taper pin 2.The inserts that should expand can manufacture and design the bloated inserts of step of different size of the same type according to the characteristic of structural material to be fixed and the imposed load size of be fixed member, electromechanical equipment.

Dress pulling out method mensuration concrete strength is an example later on, the installation and application of the bloated inserts of this step is described: at first boring on hardened concrete 9, with compound reamer in the hole certain depths cutting reaming groove 11 of 10, then with in Taper Pipe 1 patchhole, at this moment top bar and 3 hang on the hole control and install the degree of depth, beaing with iron rod in the taper pin 2 insertion Taper Pipes 1 or tighting a bolt, when taper pin advances in the conical pipe 8 with its distending, make in the 5 embedding reaming grooves of getting out of a predicament or an embarrassing situation, reach the anchoring purpose between bloated inserts of step and the concrete.When measuring concrete strength, carry out the pull of this bloated inserts,, just can determine concrete intensity according to its withdrawal resistance size.

Claims (4)

1, the bloated inserts of a kind of step that anchoring is used on concrete, masonry, form by Taper Pipe 1, taper pin 2, the upper end of Taper Pipe 1 that is characterised in that of the present utility model tops bar 3, the lower end gets out of a predicament or an embarrassing situation 5, Taper Pipe 1 top is straight tube 6 for one section, internal thread 7 is arranged in the straight tube 6, straight tube 6 and get out of a predicament or an embarrassing situation between 5 and to be the conical pipe 8 of upper end diameter greater than lower end diameter, conical pipe 8 and get out of a predicament or an embarrassing situation and 5 some shaft orientation opening grooves 4 are arranged, taper pin 2 is conical up big and down small, and the size of taper pin 2 matches with size, the tapering of Taper Pipe 1.

2, bloated inserts according to claim 1, the inner and outer diameter that it is characterized in that conical pipe 8 upper ends and straight tube 6 connecting parts is respectively greater than the inner and outer diameter of lower end with 5 connecting parts of getting out of a predicament or an embarrassing situation, and external taper is unequal in the conical pipe 8, and inner taper is greater than external taper.

3, bloated inserts according to claim 1 is characterized in that Taper Pipe 1 tops bar 3 diameter greater than straight tube 6, conical pipe 8 and 5 the diameter of getting out of a predicament or an embarrassing situation, and 5 the diameter of getting out of a predicament or an embarrassing situation is greater than conical pipe 8 lower end diameter.

4, bloated inserts according to claim 1 is characterized in that Taper Pipe 1 and taper pin 2 make by the GCY steel.

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