CN109898747A - A kind of sliding sleeve expansion bolt deviation rod piece connector - Google Patents
A kind of sliding sleeve expansion bolt deviation rod piece connector Download PDFInfo
- Publication number
- CN109898747A CN109898747A CN201910275003.9A CN201910275003A CN109898747A CN 109898747 A CN109898747 A CN 109898747A CN 201910275003 A CN201910275003 A CN 201910275003A CN 109898747 A CN109898747 A CN 109898747A
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- sleeve
- anchor slab
- end anchor
- head
- nut
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Abstract
A kind of sliding sleeve expansion bolt deviation rod piece connector, including sliding sleeve expansion bolt, the first anchoring sleeve and the second anchoring sleeve；Sliding sleeve expansion bolt includes screw rod, slide block type expansion tube and nut, and the first anchoring sleeve includes first sleeve and first sleeve head end anchor slab and aft end anchor slab, and the second anchoring sleeve includes H-type sleeve, two end anchor slabs and two Ball faced nuts；Second anchoring sleeve one end anchoring rod piece one, second anchoring sleeve other end anchorage screw, screw head and slide block type expansion tube protrude into first sleeve, nut compresses first sleeve head end, after rotating first sleeve anchor cup, bolt makes slide block type expansion tube slide in and out expansion, compresses first sleeve head end anchor slab；First sleeve is connected with first sleeve head end anchor slab, aft end anchor slab with screw thread pair, first sleeve aft end anchor slab anchoring rod piece two.Size of the present invention is small, materials save, speed of application is fast, detection is facilitated to examine, and acceptance criteria is clear.
Description
Technical field
The present invention relates to the interconnection technique field of works, in particular to a kind of sliding sleeve expansion bolt deviation rod piece connects
Connect device.
Background technique
In engineering construction, regular reinforcement, deformed bar and other rod pieces being fixed on two mounting structures exist
The deviation occurred in allowed band when docking is unavoidable, to adapt to this docking deviation, mostly uses grout sleeve to connect greatly at present
Connect, bellows reserving hole channel grouting connection and using the connection modes such as box, these connection types all exist complicated construction technique,
Can not detect, quality is difficult to ensure, reaches the drawbacks such as the waiting time is longer of intensity, if directly connected using straight screw connection etc.
Mode is connect, then extremely harsh to the positioning of connecting rod and production required precision, the error of half pitch is even more on axis direction
One obstacle that can not go beyond.
Be bolted, being fully connected between rod piece can must be realized using the measure of tightening, to construction space require compared with
Height, and smaller scope of application.
Such as the prefabricated components steel bar connecting structure of famous Peikko company, Finland, by a pre-buried band edge face angle,
Again by side reinforcing bar with being weldingly fixed on the angle steel, while the aperture on the end face, then other side reinforcing bar is passed through into the end face
The fixed mode of blending bolt realizes connection；Although band deviation that this method also achieves butting rod piece connects, but angle used
Steel occupied space is very big, and stress is not direct enough, and dock number of steel bars it is more when, the installation and tightening of angle steel, bolt is compared
It is complicated, so more difficult be widely applied, only using more in the small square column connection of industrial premises.
Summary of the invention
In view of the above drawbacks of the prior art, the present invention provides a kind of rod piece mechanical connection for being suitable for multidirectional deviation
Device, especially larger to the error adaptability on center line of the bar direction, purely mechanic connection of the present invention between deviation rod piece are fitted
Answer the manufacture deviation of two rod pieces, and its tensile and compressive strength with whether be in the milk it is unrelated, it is solidifying without waiting for grouting material or cast-in-place concrete
The time is tied, is constructed convenient and quick, convenient for detection, acceptance criteria is clear, and quality is stablized, securely and reliably.
To achieve the above object, the invention discloses a kind of sliding sleeve expansion bolt deviation rod piece connectors, for connecting
The rod piece two for connecing the rod piece one being embedded on assembling members A and being embedded on assembling members B；Include at least sliding sleeve expanding screw
Bolt, the first anchoring sleeve and the second anchoring sleeve.
The sliding sleeve expansion bolt includes bolt, slide block type expansion tube and nut, and first anchoring sleeve includes
First sleeve, first sleeve head end anchor slab and first sleeve aft end anchor slab, second anchoring sleeve include at least one
Screw shell.
The bolt includes cylindrical head and screw rod, and diameter and the slide block type of the cylindrical head expand pipe outside diameter phase
Together, the nut is set to the screw rod region of the bolt.
The slide block type expansion tube is set on the outside of the screw rod, the slide block type expansion tube include head tip round tube,
Several separate type sliding blocks and tail portion tack round tube are connected using temporary connection between several separate type sliding blocks.
Preferably, the temporary connection between several separate type sliding blocks is spring.
The first sleeve in a tubular form, the first sleeve include head and tail portion, the first sleeve head with it is described
First sleeve head end anchor slab removably connects or integral production, the first sleeve tail portion and the first sleeve tail
Portion end anchor slab removably connects or integral production, and circumferential sawtooth is arranged in the first sleeve head.
Circumferential sawtooth, the circumferential sawtooth of the nut side and the first sleeve head is arranged in one side end face of nut
Circumferential sawtooth match.
Second anchoring sleeve one end anchors the rod piece one, and the second anchoring sleeve other end anchors the bolt
The screw rod, the head of the bolt and the expansion tube protrude into first sleeve head, and the nut compresses described the
A set of tube head, the first sleeve aft end anchor slab removably anchor the rod piece two.
Preferably, it is arranged on the outside of the first sleeve and exports tightening piece, outside the export tightening piece and the first sleeve
Side is in close contact or is fixedly connected.
The export tightening piece is affected in outside, because of circumferential direction sawtooth matched between the first sleeve and the nut
Effect, the first sleeve drive the nut to rotate together, and the bolt head gradually compresses the expansion tube, the expansion
Separate type sliding block described in pipe, which is gradually disengaged, to be slid in and out, and separate type sliding block one end holds out against the first sleeve aft end anchor
Plate, the separate type sliding block other end hold out against the head tip round tube of the expansion tube, realize the tensile connection of connector
Performance.
Further technical solution is that guide ring, the guide ring and the screw rod is arranged in the screw rod region of the bolt
It is fixedly connected, setting export tightening piece on the outside of the guide ring, the export tightening piece and guide ring close contact or solid
Fixed connection.
The export tightening piece is affected in outside, the screw rod is gradually rotated toward the direction fortune for extracting the first sleeve
Dynamic, the nut is because the limitation of sawtooth circumferential between the first sleeve is held out against with first sleeve always, the bolt head
The expansion tube is gradually compressed, separate type sliding block, which is gradually disengaged, described in the expansion tube slides in and out, the separate type sliding block
One end holds out against the first sleeve aft end anchor slab, and the separate type sliding block other end holds out against the head point of the expansion tube
Head round tube, realizes the tensile connection performance of connector.
Further technical solution is that second anchoring sleeve includes H-type sleeve, the first Ball faced nut, the second spherical surface
Nut, first end anchor slab and second end anchor slab.
The first end anchor slab and the second end anchor slab are set to H-type sleeve both ends, the first end anchor slab, institute
It states and is removably connected between second end anchor slab and the H-type sleeve.
The H-type sleeve interlude wall thickness is greater than both ends wall thickness, heavy wall and both ends thin-walled transition region among the H-type sleeve
Domain is arranged spherical surface, and first Ball faced nut and second Ball faced nut end face are spherical surface, the first end anchor slab and described
It is spherical surface on the inside of second end anchor slab, is plane on the outside of the first end anchor slab and the second end anchor slab.
First Ball faced nut is set between the H-type sleeve interlude and the first end anchor slab, and described first
Spherical surface set by Ball faced nut, the H-type sleeve interlude and the first end anchor slab is mutually matched；The second spherical surface spiral shell
Mother is set between the H-type sleeve interlude and the second end anchor slab, in second Ball faced nut, the H-type sleeve
Between spherical surface set by section and the second end anchor slab be mutually matched.
First Ball faced nut is connect with the rod piece one with screw thread pair, second Ball faced nut and the screw rod with
Screw thread pair connection.
Further technical solution is, the slide block type expansion tube include head tip round tube, several separate type sliding blocks and
Tail portion tack round tube, several separate type sliding blocks point two or more layers on the expansion tube axis direction are arranged.
The area being overlapped between the separate type expansion tube of two or more layers is bigger, is more conducive to the bolt head and institute
State the pressure transmitting between first sleeve aft end anchor slab.
The present invention has below beneficial to benefit.
Present invention efficiently solves, with the mechanical splice problem of deviation rod piece, realize precast assembly in engineering construction field
Complete mechanical connection when the rod pieces such as reinforcing bar dock in structure, and guarantee that bonding strength reaches level-one requirement, so that precast assembly
Inspection, inspection and the examination of the rod pieces connector such as reinforcing bar and presstressed reinforcing steel are fully equivalent to ordinary connector in structure.
Connector total length of the present invention is small, and not only material utilization amount substantially reduces, and applicable situation is also more extensive.
Since the invention belongs to the performances of purely mechanic connection, tensile strength, and grouting material need not be waited to reach some condensation by force
Angle value, therefore structure assembly can work continuously, and be truly realized rapid construction.
Detailed description of the invention
Attached drawing 1: anchoring sleeve rotation sliding sleeve expansion bolt deviation rod piece connector elevation.
Attached drawing 2: bolt elevation.
Attached drawing 3: slide block type expansion tube elevation.
4: the first anchoring sleeve elevation of attached drawing.
Attached drawing 5: screw rod rotation sliding sleeve expansion bolt deviation rod piece connector elevation.
Attached drawing 6: double Ball faced nut sliding sleeve expansion bolt deviation rod piece connector elevation.
Specific embodiment
Embodiment 1.
As shown in Fig. 1 ~ Fig. 4, a specific embodiment of the invention includes at least sliding sleeve expansion bolt I, the first anchoring
Sleeve II and the second anchoring sleeve。
Sliding sleeve expansion bolt I includes bolt 1, slide block type expansion tube 2 and nut 3, and the first anchoring sleeve II includes the
Sleeve 4, first sleeve head end anchor slab 51 and first sleeve aft end anchor slab 52, the second anchoring sleeveComprising at least one
Screw shell 6.
Bolt 1 includes cylindrical head 101 and screw rod 102, outside the diameter of cylindrical head 101 and slide block type expansion tube 2
Diameter is identical, and nut 3 is set to 102 region of screw rod of bolt 1.
Slide block type expansion tube 2 is set to the outside of screw rod 102, and slide block type expansion tube 2 includes head tip round tube 201, several
Separate type sliding block 202 and tail portion tack round tube 203 are connected using interim spring 204 between several separate type sliding blocks.
In a tubular form, first sleeve 4 includes head 41 and tail portion 42,4 head 41 of first sleeve and first sleeve to first sleeve 4
Head end anchor slab 51 removably connects, and 4 tail portion 42 of first sleeve is with first sleeve aft end anchor slab 52 with detachable side
Circumferential sawtooth 401 is arranged in formula connection, 4 head of first sleeve.
Circumferential sawtooth 301, circumferential sawtooth 301 and 4 head of first sleeve of 3 side of nut is arranged in 3 one side end face of nut
Circumferential sawtooth 401 matches.
Second anchoring sleeveOne end anchoring rod piece 1, the second anchoring sleeveThe screw rod of other end anchor bolt 1
102, the head 101 of bolt 1 and expansion tube 2 protrude into 4 head 41 of first sleeve, and nut 3 compresses 4 head 41 of first sleeve, and first
Removably anchoring rod piece 2 13 of casing aft end anchor slab 52.
Setting export tightening piece 11 on the outside of first sleeve 4 exports close contact or solid on the outside of tightening piece 11 and first sleeve 4
Fixed connection.
Embodiment 2.
As shown in fig. 6, still another embodiment of the invention, includes at least sliding sleeve expansion bolt I, the first anchoring cartridge
Cylinder II and the second anchoring sleeve。
Sliding sleeve expansion bolt I includes bolt 1, slide block type expansion tube 2 and nut 3, and the first anchoring sleeve II includes the
Sleeve 4, first sleeve head end anchor slab 51 and first sleeve aft end anchor slab 52, the second anchoring sleeveComprising including at least
H-type sleeve 6, the first Ball faced nut 7, the second Ball faced nut 9, first end anchor slab 8 and second end anchor slab 10.
Bolt 1 includes cylindrical head 101 and screw rod 102, outside the diameter of cylindrical head 101 and slide block type expansion tube 2
Diameter is identical, and nut 3 is set to 102 region of screw rod of bolt 1.
Slide block type expansion tube 2 is set to the outside of screw rod 102, and slide block type expansion tube 2 includes head tip round tube 201, several
Separate type sliding block 202 and tail portion tack round tube 203 are connected using interim spring 204 between several separate type sliding blocks.
In a tubular form, first sleeve 4 includes head 41 and tail portion 42,4 head 41 of first sleeve and first sleeve to first sleeve 4
Head end anchor slab 51 removably connects, and 4 tail portion 42 of first sleeve is with first sleeve aft end anchor slab 52 with detachable side
Circumferential sawtooth 401 is arranged in formula connection, 4 head of first sleeve.
Circumferential sawtooth 301, circumferential sawtooth 301 and 4 head of first sleeve of 3 side of nut is arranged in 3 one side end face of nut
Circumferential sawtooth 401 matches.
Second anchoring sleeveOne end anchoring rod piece 1, the second anchoring sleeveThe screw rod of other end anchor bolt 1
102, the head 101 of bolt 1 and expansion tube 2 protrude into 4 head 41 of first sleeve, and nut 3 compresses 4 head 41 of first sleeve, and first
Removably anchoring rod piece 2 13 of casing aft end anchor slab 52.
Setting export tightening piece 11 on the outside of first sleeve 4 exports close contact or solid on the outside of tightening piece 11 and first sleeve 4
Fixed connection.
First end anchor slab 8 and second end anchor slab 10 are set to 6 both ends of H-type sleeve, first end anchor slab 8, second end anchor slab 10
It is removably connect between H-type sleeve 6.
6 interlude wall thickness of H-type sleeve is greater than both ends wall thickness, and the intermediate heavy wall of H-type sleeve 6 and both ends thin-walled transitional region are arranged
Spherical surface, the first Ball faced nut 7 and 9 end face of the second Ball faced nut are spherical surface, are ball on the inside of first end anchor slab 8 and second end anchor slab 10
It is plane on the outside of face, first end anchor slab 8 and second end anchor slab 10.
First Ball faced nut 7 is set between 6 interlude of H-type sleeve and first end anchor slab 8, the first Ball faced nut 7, H-type
Spherical surface set by 6 interlude of sleeve and first end anchor slab 8 is mutually matched；Second Ball faced nut 9 is set among H-type sleeve 6
Between section and second end anchor slab 10, spherical surface phase set by the second Ball faced nut 9,6 interlude of H-type sleeve and second end anchor slab 8
Mutually matching.
First Ball faced nut 7 is connect with rod piece 1 with screw thread pair, and the second Ball faced nut 9 is connect with screw rod 1 with screw thread pair.
Preferred embodiments of the invention are described in detail above；It should be appreciated that those skilled in the art are not necessarily to
Creative work, which according to the present invention can be conceived, makes many modifications and variations, and various combination is taken to generate numerous preferable realities
Apply example；Therefore, the design of all technician in the art according to the present invention passes through logic point on the basis of existing technology
Analysis, reasoning or the limited available technical solution of experiment, all should be within the scope of protection determined by the claims.
Claims (6)
1. a kind of sliding sleeve expansion bolt deviation rod piece connector, connects the rod piece one (12) on two mounting structures with deviation
With rod piece two (13), it is characterised in that: include at least sliding sleeve expansion bolt (I), the first anchoring sleeve (II) and the second anchor
Gu sleeve ()；
The sliding sleeve expansion bolt (I) includes bolt (1), slide block type expansion tube (2) and nut (3), first anchoring
Sleeve (II) includes first sleeve (4), first sleeve head end anchor slab (51) and first sleeve aft end anchor slab (52), and described the
Two anchoring sleeves () it include at least one screw shell (6)；
The bolt (1) includes cylindrical head (101) and screw rod (102), the diameter and sliding block of the cylindrical head (101)
Formula expansion tube (2) outer diameter is identical, and the nut (3) is set to screw rod (102) region of the bolt (1)；
The slide block type expansion tube (2) is set on the outside of the screw rod (102), and the slide block type expansion tube (2) includes head point
Head round tube (201), several separate type sliding blocks (202) and tail portion tack round tube (203), using temporarily between several separate type sliding blocks
Connector (204) connection；
In a tubular form, the first sleeve (4) includes head (41) and tail portion (42), the first sleeve to the first sleeve (4)
(4) head (41) are removably connect or integral production with the first sleeve head end anchor slab (51), the first set
Pipe (4) tail portion (42) is removably connect with the first sleeve aft end anchor slab (52) or integral production, and described first
Circumferential sawtooth (401) is arranged in casing (4) head；
(3) one side end face of nut is arranged circumferential sawtooth (301), the circumferential sawtooth (301) of nut (3) side with it is described
The circumferential sawtooth (401) on first sleeve (4) head matches；
Second anchoring sleeve () one end anchors the rod piece one (12), second anchoring sleeve () other end anchoring
The screw rod (102) of the bolt (1), the head (101) of the bolt (1) and the expansion tube (2) protrude into first
Casing (4) head (41), the nut (3) compress first sleeve (4) head (41), the first sleeve aft end anchor slab
(52) rod piece two (13) is removably anchored.
2. sliding sleeve expansion bolt deviation rod piece connector according to claim 1, which is characterized in that the first set
Manage setting export tightening piece (11) on the outside of (4), on the outside of the export tightening piece (11) and the first sleeve (4) close contact or
It is fixedly connected.
3. sliding sleeve expansion bolt deviation rod piece connector according to claim 1, which is characterized in that the bolt
(1) guide ring (103) are arranged in screw rod (102) region, and the guide ring (103) is fixedly connected with the screw rod (102), described
Setting export tightening piece (11) on the outside of guide ring (103), the export tightening piece (11) and the guide ring (103) are in close contact
Or it is fixedly connected.
4. sliding sleeve expansion bolt deviation rod piece connector according to claim 1, which is characterized in that second anchor
Gu sleeve () it include H-type sleeve (6), the first Ball faced nut (7), the second Ball faced nut (9), first end anchor slab (8) and second
It holds anchor slab (10)；
The first end anchor slab (8) and the second end anchor slab (10) are set to H-type sleeve (6) both ends, the first end
It is removably connect between anchor slab (8), the second end anchor slab (10) and the H-type sleeve (6)；
H-type sleeve (6) the interlude wall thickness is greater than both ends wall thickness, the intermediate heavy wall of the H-type sleeve (6) and the transition of both ends thin-walled
Spherical surface is arranged in region, and first Ball faced nut (7) and the second Ball faced nut (9) end face are spherical surface, the first end anchor
It is spherical surface, the first end anchor slab (8) and the second end anchor slab (10) outside on the inside of plate (8) and the second end anchor slab (10)
For plane；
First Ball faced nut (7) is set between H-type sleeve (6) interlude and the first end anchor slab (8), described
Spherical surface set by first Ball faced nut (7), H-type sleeve (6) interlude and the first end anchor slab (8) is mutually matched；
Second Ball faced nut (9) is set between H-type sleeve (6) interlude and the second end anchor slab (10), and described
Spherical surface set by two Ball faced nuts (9), H-type sleeve (6) interlude and the second end anchor slab (8) is mutually matched；
First Ball faced nut (7) is connect with the rod piece one (12) with screw thread pair, second Ball faced nut (9) with it is described
Screw rod (1) is connected with screw thread pair.
5. sliding sleeve expansion bolt deviation rod piece connector according to claim 1, which is characterized in that the slide block type
Expansion tube (2) includes head tip round tube (201), several separate type sliding blocks (202) and tail portion tack round tube (203), if described
Dry separate type sliding block (202) point two or more layers on the expansion tube axis direction are arranged.
6. sliding sleeve expansion bolt deviation rod piece connector according to claim 1, which is characterized in that described several points
It is spring from the temporary connection (204) between formula sliding block (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910275003.9A CN109898747A (en) | 2019-04-08 | 2019-04-08 | A kind of sliding sleeve expansion bolt deviation rod piece connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910275003.9A CN109898747A (en) | 2019-04-08 | 2019-04-08 | A kind of sliding sleeve expansion bolt deviation rod piece connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109898747A true CN109898747A (en) | 2019-06-18 |
Family
ID=66954412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910275003.9A Pending CN109898747A (en) | 2019-04-08 | 2019-04-08 | A kind of sliding sleeve expansion bolt deviation rod piece connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109898747A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922177A (en) * | 2022-06-28 | 2022-08-19 | 中铁十八局集团有限公司 | Recoverable prestressed anchor cable for foundation pit support and construction method thereof |
-
2019
- 2019-04-08 CN CN201910275003.9A patent/CN109898747A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922177A (en) * | 2022-06-28 | 2022-08-19 | 中铁十八局集团有限公司 | Recoverable prestressed anchor cable for foundation pit support and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190618 |
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| WD01 | Invention patent application deemed withdrawn after publication |