A kind of anchor pole extension mechanism convenient for the detection of anchor rod drawing power
Technical field
The utility model relates to a kind of anchor poles of construction reinforcing anchor pole to extend mechanism.
Background technique
During constructing tunnel, it usually needs to wall rock drill-hole and be inserted into hollow bolt progress slip casting, reinforced with playing
Effect, also need to carry out pulling capacity detection to anchor pole later, confirm its firmness, guarantee safety.But existing anchor
Its exposed length outside country rock of bar is usually shorter, is unable to reach the effective length of anchor pole tension pull out force to meet pulling capacity detection
Demand influences construction speed and safety.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, the anchor pole extension that a kind of structure is simple, repeats, flexibly uses is provided
Mechanism.
In order to achieve the above objectives, the technical solution adopted by the present invention are as follows:
A kind of anchor pole extension mechanism convenient for the detection of anchor rod drawing power, including anchor pole extension rod, and the connection anchor pole
With the fastener of anchor pole extension rod, the fastener includes cyclic annular or tubulose coupling body, the axis of the coupling body
Housing and the anchor pole and anchor pole extension rod can be threadedly coupled respectively to both ends, characterized in that the fastener further includes can
Inside the coupling body, adaptability be connected to the block piece between the anchor pole and anchor pole extension rod.
Preferably, the block piece includes several sheet or bulk that can be axially distributed in the coupling body
Blocking unit.
Preferably, it is axial more by a location structure can be selectively positioned at the coupling body for the blocking unit
One in a position.
Preferably, the coupling body side is equipped with an axially extending strip adjustment hole, the location structure packet
The movable part that set on the blocking unit radial outer end, cooperation is threaded through in the adjustment hole is included, further includes that can be screwed in
On the movable part and fixed movable part is relative to the location nut for adjusting hole site.
Preferably, at least there are two axially distributed location hole, the location structure packets for the coupling body side
The screw that the location hole connects the blocking unit can be passed through by including.
Preferably, the cross section of the blocking unit is circle, and outer circumferential setting can be screwed in the fastener sheet
The external screw thread in internal portion is as the location structure.
Preferably, axial one end of the blocking unit is equipped with flat recess or cross recess.
Preferably, the radial outer end of the blocking unit opens up a positioning groove, and the location structure includes that one end being capable of diameter
To pass through the coupling body, with the locating slot cooperation clamping and the other end be fixed on the T shape on the coupling body
Limit plug.
Preferably, T-shaped hole is set on the coupling body and T shape limit plug cooperation is clamped.
Preferably, the block piece includes the different blocking unit of multiple sizes along the coupling body axial direction.
Preferably, the anchor pole extension rod is equipped with the position mark being axially distributed.
The utility model it is achieved the utility model has the advantages that
The anchor pole of the utility model extends mechanism, including anchor pole extension rod and axial ends difference screw thread are socketed anchor pole
With the fastener of anchor pole extension rod, thus it is able to achieve the extension to anchor pole, guarantees the implementation and safety of pulling capacity detection, this
Outside, when expectation further increases extension amount to anchor pole, to which a spacing is left in opposite one end of anchor pole and anchor pole extension rod
When from setting, the opposite screw-in amount that control anchor pole and anchor pole extension rod is more troublesome, because incoming end is all in fastener
Portion, inconvenience measurement the, at this point, (length of block piece can be put into coupling body the block piece of required length in advance as needed
Degree is to facilitate acquisition), then when screwing in anchor pole and anchor pole extension rod, it only need to both abut to block piece, very convenient,
It is quick and accurate, the accuracy of pulling capacity detection is improved also helpful.
When block piece includes several sheets that can be axially distributed in coupling body or block-like blocking unit,
Need to select a certain number of blocking units to be combined according to different additional extending lengths, very simple, conveniently.
When blocking unit can selectively be positioned at one of coupling body axially in multiple positions by a location structure
When a, blocking unit can be relatively fixed to coupling body, and position is adjustable, and positioning can be more stable and flexible.Two can be passed through
A blocking unit spaced apart respectively positions anchor pole and anchor pole extension rod, rather than single or be superimposed upon one piece more
A blocking unit, blocking unit, which does not have to taking-up coupling body, at this time can also carry out adjusting again for spacing.
Strip adjustment hole is set on location structure, such as coupling body, and the movable part setting of blocking unit outer end is worn
It crosses in the adjustment hole and is fixed by a location nut, blocking unit can be adjusted along adjustment hole extending direction continuity.
At least two axially distributed location holes are arranged in location structure, such as coupling body side, then pass through screw
It is connected to blocking unit across location hole, selects the location hole of different location also can easily constant resistance unit.
For another example, the cross section of blocking unit is circle, and outer circumferential setting can be screwed in it is outer inside coupling body
Screw thread cooperates more as location structure, this location structure relative to the aperture on coupling body and other screw, nut
Add simply, before anchor pole and anchor rod connection piece access fastener, blocking unit rejoins the position data in part and also facilitates acquisition.
Axial one end of blocking unit can also set flat recess or cross recess, be screwed in blocking unit with screwdriver to facilitate
In coupling body.
For another example, the passable radial outer end of blocking unit opens up locating slot, while location structure includes that one end can be radial
Penetrate coupling body, with locating slot cooperation clamping and the other end is fixed on T shape limit plug on coupling body, this card
It is more convenient to connect the dismounting of formula structure.
If T-shaped hole is further arranged on coupling body and the cooperation of T shape limit plug is clamped, the steady of connection can increase
It is qualitative.
Three kinds of location structures above-mentioned have used nut, screw and T shape limit plug respectively, all exposing fastener sheet
External side, therefore all convenient position that blocking unit is understood on the outside of fastener.
Block piece may include the different blocking unit of multiple sizes along coupling body axial direction, therefore direct when use
The blocking unit of selection corresponding size as needed, it is more more convenient than multiple blocking units are applied in combination.
The position mark being axially distributed can be set on anchor pole extension rod, be easy to understand its depth for screwing in fastener.
Detailed description of the invention
Fig. 1 is the schematic diagram that the utility model embodiment 1 is connect with anchor pole;
Fig. 2 is the schematic diagram that the utility model embodiment 1 is less than that Fig. 1 blocking unit is attached work using size;
Fig. 3 is 2 location structure schematic diagram of the utility model embodiment;
Fig. 4 is the schematic diagram that the utility model embodiment 3 is connect with anchor pole;
Fig. 5 is the schematic diagram that the utility model embodiment 4 is connect with anchor pole;
Fig. 6 is 4 location structure top view of the utility model embodiment;
Fig. 7 is the schematic diagram that the utility model embodiment 5 is connect with anchor pole;
Fig. 8 is the enlarged diagram of part A in Fig. 7;
Fig. 9 is the schematic diagram that the utility model embodiment 6 is connect with anchor pole;
Figure 10 is 6 location structure schematic diagram of the utility model embodiment;
Wherein: 1, anchor pole;
2, anchor pole extension rod;
4, fastener, 42, coupling body, 422, T-shaped hole, 424, adjustment hole, 426, location hole, 44, block piece, 442,
Blocking unit, 444, blocking unit, 446, blocking unit, 447, external screw thread, 448, locating slot, 449, flat recess;
6, location structure, 62, T shape limit plug, 64, movable part, 66, location nut, 68, screw.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and cannot be used as a limitation the limitation protection scope of the utility model.
Embodiment 1
As shown in Figs. 1-2, a kind of anchor pole convenient for the detection of anchor rod drawing power extends mechanism, including anchor pole extension rod 2, and
The fastener 4 of anchor pole 1 and anchor pole extension rod 2 is connected, fastener 4 includes the coupling body 42 of tubulose, coupling body 42
Axial ends housing and can be threadedly coupled anchor pole 1 and anchor pole extension rod 2 respectively, and fastener 4 further includes that can be set to fastener sheet
Inside body 42, adaptability be connected to the block piece 44 between anchor pole 1 and anchor pole extension rod 2.
Block piece 44 includes several block-like blocking units that can be axially distributed in coupling body 42.This implementation
In example, block piece 44 specifically includes multiple blocking units different in the size in 42 axially direction of coupling body, according to
The needs of 2 spacing distance of anchor pole 1 and anchor pole extension rod select suitable use.
When pulling capacity detects, it is threadedly coupled anchor pole 1 respectively using fastener 4 and anchor pole extension rod 2 reaches to the extension of anchor pole 1
Purpose, detection can be gone on smoothly after connecting detection device, and guarantee safety.When being not content with anchor pole extension rod 2 from height
It when extension amount brought by spending, needs anchor pole 1 and anchor pole extension rod 2 pulling open certain distance and fix, although not using any resistance
Unit is kept off, also may be implemented, but is on the one hand all threadedly coupled respectively due to anchor pole 1, anchor pole extension rod 2 with fastener 4, is being pacified
It is easy to be touched and be displaced unintentionally after positioning during dress, on the other hand to control the phase of anchor pole 1 and anchor pole extension rod 2
It is more troublesome to screw-in amount, because incoming end is all in the inside of fastener 4, it is easy excessively to screw in, therefore, uses the utility model
Blocking unit or necessary.Corresponding blocking unit can be selected according to the spacing distance, first blocking unit is put into and is connect
Coupling body 42, then one end of coupling body 42 and anchor pole 1 are screwed on, anchor pole extension rod 2 is finally screwed in into coupling body
42 other ends then easily realize the connection of the demand to blocking unit is abutted.Fig. 1-2 comparison is illustrated using longer dimension
Blocking unit 442 realizes the connection of the larger spacing of Fig. 1, and realizes the smaller spacing of Fig. 2 using the lesser blocking unit 444 of size
Connection.
Embodiment 2
As shown in Figure 1-3, a kind of anchor pole convenient for the detection of anchor rod drawing power extends mechanism, the difference from embodiment 1 is that,
Blocking unit 446 can also selectively be positioned at one in the axial multiple positions of coupling body 42 by a location structure 6.
Specifically, the radial outer end of blocking unit 446 opens up a positioning groove 448,42 side wall of coupling body opens up through-hole, the positioning of T shape
Plug 62 can be clamped as 6 one end of location structure radially across any through-hole of coupling body 42, with the cooperation of locating slot 448, separately
Coupling body 42 is fixed in one end.More specifically, the through-hole being arranged on coupling body 42 is T-shaped hole 422 and T shape limit plug
62 cooperation clampings, also settable elastic layer such as rubber layer outside the inside of T-shaped hole 422 or T shape limit plug 62 steep surface layer to increase
Resistance is added to reinforce the connection relationship of T shape limit plug 62 and coupling body 42.
, can be fixed by location structure 6 after blocking unit 446 is placed in ontology accordingly, with respect to embodiment 1, so that engagement
Part 4 is lighter to the connection and positioning of anchor pole 1 and anchor pole extension rod 2, and is for example located in 42 middle section of coupling body, can protect
The equal length for demonstrate,proving both ends access anchor pole 1 and anchor pole extension rod 2, connects more stable.
Embodiment 3
As shown in figure 4, a kind of anchor pole convenient for the detection of anchor rod drawing power extends mechanism, the difference from embodiment 1 is that, resistance
Block piece 44 specifically include it is multiple in the identical blocking unit 446 of size in 42 axially direction of coupling body, according to anchor pole 1
With anchor pole extension rod 2 spacing distance need that certain amount is selected to be used in combination.
In use, only each blocking unit laterally need to be stacked in one piece is put into ontology.
Embodiment 4
As seen in figs. 5-6, a kind of anchor pole convenient for the detection of anchor rod drawing power extends mechanism, the difference from example 2 is that,
42 side of coupling body is equipped with an axially extending strip adjustment hole 424, and location structure 6 includes being set to blocking unit 446
Radial outer end, the movable part 64 that is threaded through in adjustment hole 424 of cooperation further include that can be screwed on movable part 64 and fixed live
Dynamic location nut 66 of the portion relative to 424 position of adjustment hole.Wherein movable part 64 be specifically be fixed on blocking unit 446 and
It can be slided in adjustment hole 424.More specifically, 42 inside of coupling body is arranged in two blocking units 446 always,
But it can be moved on 424 length direction of adjustment hole and change position.
In use, spacing as needed determines the position of two blocking units 446, it is fixed using location nut 66, i.e.,
The additional extension amount to anchor pole 1 can be achieved.
Embodiment 5
As Figure 7-8, a kind of anchor pole convenient for the detection of anchor rod drawing power extends mechanism, and the difference with embodiment 4 is,
For 42 side of coupling body there are two the location hole 426 of axially symmetric distribution, location structure 6 includes that can pass through location hole
The screw 68 of 426 connection blocking units 446.Specifically, the radial outer end of blocking unit 446 also opens up locating slot 448, two resistances
After gear unit 446 is put into ontology, it is utilized respectively screw 68 and screws in the locating slot that location hole 426 enables head protrude into blocking unit 446
It completes to fix in 448, wherein screw 68 is threadedly coupled with location hole 426.
Embodiment 6
As shown in figs. 9-10, a kind of anchor pole convenient for the detection of anchor rod drawing power extends mechanism, and the difference with embodiment 4 exists
In 446 oblate column of blocking unit, cross section is round, and outer circumferential setting can be screwed in the outer spiral shell inside coupling body 42
Line 447 is used as location structure 6.Therefore, it after spacing as needed determines the positions of two blocking units 446, screws in connect respectively
Coupling body 42 positions, and the additional extension amount to anchor pole 1 can be realized, very convenient
Axial one end of blocking unit 446 is additionally provided with flat recess 449 in the present embodiment, naturally it is also possible to and it is cross recess, side
Just ontology is screwed in using tool.
Embodiment 7
A kind of anchor pole extension mechanism convenient for the detection of anchor rod drawing power, any difference is that anchor pole prolongs with embodiment 1-6
It is additionally provided with the position mark being axially distributed on stock 2, specifically can be color mark (not shown), anchor pole extension rod 2 is helped to connect
Enter the length of fastener 4 and the access amount and position of position and anchor pole 1.For example, when blocking unit is without location structure 6,
It is expected that place it in the middle part of fastener 4, calculate after the access amount of anchor pole extension rod 2 when connecting it with fastener 4 according to position
Tagging positioning, as long as anchor pole 1 screws in the abutting blocking unit of fastener 4 later, blocking unit is i.e. just in centre, anchor pole at this time
1 and anchor pole extension rod 2 access fastener 4 length be equal.
The anchor pole convenient for the detection of anchor rod drawing power of the utility model extends mechanism, is conducive to that anchor pole 1, anchor pole is accurately positioned
The link position of extension rod 2, therefore when the pulling capacity or same position different time for needing more multiple and different position anchor poles 1
When pulling capacity, it is particularly significant to the accuracy of result to control identical condition of contact.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
It also should be regarded as the protection scope of the utility model into deformation.