CN212742658U - Anchoring clamp for multiple steel bars - Google Patents
Anchoring clamp for multiple steel bars Download PDFInfo
- Publication number
- CN212742658U CN212742658U CN202021014389.2U CN202021014389U CN212742658U CN 212742658 U CN212742658 U CN 212742658U CN 202021014389 U CN202021014389 U CN 202021014389U CN 212742658 U CN212742658 U CN 212742658U
- Authority
- CN
- China
- Prior art keywords
- lantern ring
- fixedly connected
- jack
- block
- reinforcing bars
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004873 anchoring Methods 0.000 title claims description 11
- 229910000831 Steel Inorganic materials 0.000 title description 19
- 239000010959 steel Substances 0.000 title description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 210000002435 tendon Anatomy 0.000 abstract description 27
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004080 punching Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
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- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model relates to a technical field that building engineering detected, concretely relates to many anchor clamps for reinforcing bar, including the punching jack, be provided with the lantern ring and interior wedge on the punching jack, be provided with on the lantern ring with interior wedge to the pressing mechanism who presses in the lantern ring. The utility model discloses have the effect that the wedge body breaks away from the tendon in difficult messenger.
Description
Technical Field
The utility model belongs to the technical field of the technique that building engineering detected and specifically relates to an anchor clamp for many reinforcing bars is related to.
Background
In the building engineering, the anti-floating anchor rods, the prestressed concrete pipe piles and the like need to be extracted in a certain proportion to perform an anti-pulling bearing capacity experiment so as to evaluate the construction quality. During the anti-pulling experiment, the upper parts of embedded steel bars in the anti-floating anchor rods or the prestressed pipe piles must be anchored, and then the anti-floating anchor rods or the prestressed pipe piles are jacked upwards or pulled by the jacks, so that the aim of testing the anti-pulling bearing capacity of the anti-floating anchor rods or the prestressed pipe piles is fulfilled.
The prior art discloses a tendon anchor clamp device, such as chinese utility model with CN203229975U, wherein two sides of the tendon are provided with steel beams contacting with the ground. And a penetrating jack is arranged above the steel beam, and the reinforcing steel bar bundle penetrates through the penetrating jack. A lantern ring penetrating through the tendon is arranged above the feed-through jack, and an inner wedge body is inserted in the middle of the lantern ring. When the feed-through jack is opened upwards, the sleeve ring moves upwards, and the inner wedge body and the sleeve ring are clamped tightly, so that the aim of anchoring the reinforcing steel bar bundle is fulfilled.
The above prior art solutions have the following drawbacks: since the tendons are confined in the collars, the force of the tendons in the middle direction is large, and when the collars are moved upward, the inner wedges are easily moved upward to be separated from the tendons, thereby failing to anchor the tendons.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing an anchor clamps for many reinforcing bars, it has the effect that the wedge body breaks away from the tendon in being difficult for making.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides an anchor clamps for many reinforcing bars, includes the feed-through jack, is provided with lantern ring and interior wedge body on the feed-through jack, be provided with on the lantern ring with interior wedge body to the pressing mechanism who presses in the lantern ring.
Through adopting above-mentioned technical scheme, can press the interior wedge body to the lantern ring in through pressing means, make the reinforcing bar extruded between lantern ring and the interior wedge body to anchor the tendon, can not break away from with the tendon when follow-up punch jack upwards removes.
The present invention may be further configured in a preferred embodiment as: pressing means is including rotating the connection and being in the lantern ring is kept away from two lead screws of punching jack one side are provided with the slider on the lead screw, and the slider rotates and is connected with the annular piece, annular piece one side fixedly connected with horizontal pole, the horizontal pole keep away from slider one end to lantern ring direction fixedly connected with montant, the montant with the connection can be dismantled to interior wedge.
By adopting the technical scheme, when an anti-pulling experiment is carried out, the feed-through jack and the lantern ring both penetrate through the tendon, then the cross rod and the vertical rod rotate in the direction away from the lantern ring, the inner wedge body is placed in the middle of the tendon from the middle of the lantern ring, then the cross rod and the vertical rod rotate to the upper part of the groove, the lead screw is rotated, the slide block drives the vertical rod to move downwards, and the vertical rod and the inner wedge body are fixed; the screw rod is rotated to drive the vertical inserting rod to move downwards, so that the vertical rod presses the inner wedge body downwards to enable the inner wedge body to be firmly inserted into the steel bar bundle, the steel bar is only pressed between the lantern ring and the inner wedge body to anchor the steel bar bundle, and the inner wedge body is not easy to separate from the steel bar bundle when the penetrating type jack moves upwards.
The present invention may be further configured in a preferred embodiment as: the inner wedge body is close to two groups of fixed blocks fixedly connected with one side of the vertical rod, a groove is formed between each group of fixed blocks, the vertical rod is far away from an inserting block fixedly connected with one end of the horizontal rod and inserted into the groove, and the fixed blocks are detachably connected with the inserting block.
The present invention may be further configured in a preferred embodiment as: the upper side and the lower side of the annular block of the sliding block are respectively and fixedly connected with a stop block.
Through adopting above-mentioned technical scheme, the dog can prevent that the annular piece from breaking away from with the slider at the in-process that reciprocates.
The present invention may be further configured in a preferred embodiment as: the lead screw is far away from lantern ring one end fixedly connected with hand wheel is provided with the handle on the hand wheel.
The present invention may be further configured in a preferred embodiment as: two lead screw keep away from lantern ring one end has passed the connecting plate simultaneously, the connecting plate with two lead screw rotates to be connected, and the connecting plate both ends to lantern ring direction buckle and with lantern ring side fixed connection.
Through adopting above-mentioned technical scheme, the connecting plate can increase the strong point of lead screw to strengthen the stability of lead screw.
The present invention may be further configured in a preferred embodiment as: the lantern ring is detachably connected with the feed-through jack.
By adopting the technical scheme, the lantern ring and the straight-through jack are fixed, and the lantern ring is stable in the subsequent process of pressing the inner wedge body.
The present invention may be further configured in a preferred embodiment as: the straight-through jack is close to a pair of convex blocks fixedly connected to the side face of one end of the lantern ring, the lantern ring is close to the mounting blocks fixedly connected to two sides of one end of the straight-through jack respectively, the mounting blocks are close to one side of the convex blocks and fixedly connected with a rod body, and the rod body penetrates through the convex blocks and is connected with nuts through threads at one end penetrating through the convex blocks.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the inner wedge body can be pressed into the lantern ring through the pressing mechanism, so that the steel bars are extruded between the lantern ring and the inner wedge body, the steel bar bundles are anchored, the steel bar bundles cannot be separated from the steel bar bundles when the follow-up center-penetrating jack moves upwards, and the construction efficiency and safety can be improved;
2. when an anti-pulling experiment is carried out, the feed-through jack and the lantern ring both penetrate through the tendon, then the transverse rod and the vertical rod rotate in the direction away from the lantern ring, the inner wedge body is placed in the middle of the tendon from the middle of the lantern ring, then the transverse rod and the vertical rod rotate to the upper part of the groove, the lead screw is rotated, the sliding block drives the inserting block to move downwards, the inserting block is inserted into the groove, and then the fixing block and the inserting block are fixed; the lead screw is rotated to drive the inserting block to move downwards, so that the inserting block presses the inner wedge body downwards, the inner wedge body is firmly inserted into the steel bar bundle, the steel bar is only pressed between the lantern ring and the inner wedge body, the steel bar bundle is anchored, and the inner wedge body is not easy to separate from the steel bar bundle when the penetrating jack moves upwards.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view showing the structure of the groove.
In the figure, 1, a lantern ring; 11. mounting blocks; 111. a rod body; 112. a nut; 2. a feed-through jack; 21. a bump; 3. an inner wedge body; 31. a fixed block; 32. a groove; 4. a lead screw; 41. a slider; 411. a ring block; 4111. a cross bar; 4112. a vertical rod; 4113. an insertion block; 412. a stopper; 42. a hand wheel; 421. a handle; 5. a connecting plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses an anchor clamp for many reinforcing bars, including lantern ring 1, 1 inboard surface of the lantern ring has certain slope, makes the thickness of 1 one end of the lantern ring thinner. The lantern ring 1 is placed above the through-type jack 2, and the thicker end of the lantern ring 1 is placed close to the through-type jack 2 by the lantern ring 1. The feed-through jacks 2 and the collars 1 are each passed through tendons (not shown). An inner wedge body 3 is arranged in the lantern ring 1, one end of the inner wedge body 3 is smaller in diameter, and the smaller end faces the center-penetrating jack 2 when the inner wedge body is arranged.
When the tubular pile is subjected to the anti-pulling test, the feed-through jack 2 drives the lantern ring 1 to move upwards, so that the reinforcing steel bar is extruded between the inner wedge body 3 and the lantern ring 1, and therefore the feed-through jack 2 cannot be separated from the reinforcing steel bar bundles when the anti-pulling test is performed, and the anti-pulling test can be performed well.
When the collar 1 is moved upwards, the tendon-to-middle force may push the inner wedge 3 upwards, so that the inner wedge 3 is separated from the tendon, and the tendon cannot be anchored by the collar 1 and the inner wedge 3. As shown in fig. 1 and 2, the lantern ring 1 is provided with a pressing mechanism for pressing the inner wedge 3 into the lantern ring 1, the pressing mechanism comprises a lead screw 4 rotatably connected with two sides of the end surface of the lantern ring 1 far away from the center-through jack 2, and the lead screw 4 is perpendicular to the end surface of the lantern ring 1. The lead screw 4 is connected with a sliding block 41 through threads, the sliding block 41 is connected with an annular block 411 in a rotating mode, one side of the annular block 411 is fixedly connected with a cross rod 4111, and one end, far away from the sliding block 41, of the cross rod 4111 is fixedly connected with a vertical rod 4112 towards the lantern ring 1. The inner wedge 3 is close to the vertical rod 4112, the two sides of the vertical rod 4112 are respectively and fixedly connected with a fixing block 31, and a groove 32 is formed between the two fixing blocks 31. One end of the vertical rod 4112, which is far away from the cross rod 4111, is fixedly connected with an insertion block 4113 inserted into the groove 32, and the fixed block 31 is connected with the insertion block 4113 through a bolt.
When carrying out the resistance to plucking experiment, all pass the tendon with penetrating jack 2 and lantern ring 1, then rotate horizontal pole 4111 and montant 4112 to keeping away from lantern ring 1 direction, place the tendon intermediate position from lantern ring 1 middle with interior wedge body 3, then rotate horizontal pole 4111 and montant 4112 to the recess 32 top, rotate lead screw 4, make slider 41 drive grafting piece 4113 move down, make grafting piece 4113 plug-in to the recess 32 in, then with fixed block 31 and grafting piece 4113 bolted connection. The screw 4 is rotated to make the slider 41 drive the inserting block 4113 to move downwards, so that the inserting block 4113 presses the inner wedge 3 downwards, the inner wedge 3 is firmly inserted into the tendon, the steel bar is only pressed between the lantern ring 1 and the inner wedge 3, and the tendon is anchored, and the inner wedge 3 is not easily separated from the tendon when the center-penetrating jack 2 moves upwards.
As shown in fig. 2, a hand wheel 42 is fixedly connected to one end of the screw rod 4 away from the collar 1, and a handle 421 is also fixedly connected to one side of the hand wheel 42 away from the screw rod 4. When the hand wheel 42 is rotated by the handle 421, the lead screw 4 is driven to rotate back and forth.
As shown in fig. 2, stoppers 412 are fixedly connected to the slider 41 on upper and lower sides of the ring block 411, respectively. The stopper 412 prevents the ring block 411 from being separated from the slider 41 during the up-and-down movement.
As shown in fig. 1, one end of each of the two lead screws 4, which is far from the lantern ring 1, also penetrates through and is rotatably connected with a connecting plate 5, and two ends of each of the connecting plates 5 extend towards the direction far from the hand wheel 42 and are fixedly connected with the side surface of the lantern ring 1. The connecting plate 5 may increase the support point of the lead screw 4, thereby enhancing the stability of the lead screw 4.
As shown in fig. 1 and fig. 2, a pair of protrusions 21 are fixedly connected to the side surface of one end of the penetrating jack 2 close to the collar 1, two sides of one end of the collar 1 close to the penetrating jack 2 are respectively and fixedly connected to the mounting blocks 11, one side of the mounting blocks 11 close to the protrusions 21 is fixedly connected to a rod 111, and one end of the rod 111 penetrating through the protrusions 21 is in threaded connection with a nut 112. When the nut 112 is screwed down, the lantern ring 1 and the feed-through jack 2 can be fixed, and the lantern ring 1 can be relatively stable in the subsequent process of pressing the inner wedge 3.
The implementation principle of the embodiment is as follows: when the pipe pile is subjected to the uplift test, the feed-through jack 2 and the collar 1 are passed through the tendon, the rod 111 is passed through the projection 21 and the nut 112 is tightened at the end passed through the projection 21. Then with horizontal pole 4111 and montant 4112 to keeping away from lantern ring 1 direction rotation, place the tendon intermediate position from lantern ring 1 middle with interior wedge body 3, then rotate horizontal pole 4111 and montant 4112 to the recess 32 top, rotate lead screw 4, make slider 41 drive grafting piece 4113 move down, make grafting piece 4113 plug in the recess 32, then with fixed block 31 and grafting piece 4113 bolted connection. The screw 4 is rotated to make the slider 41 drive the inserting block 4113 to move downwards, so that the inner wedge body 3 is firmly inserted into the tendon, the steel bar is only pressed between the lantern ring 1 and the inner wedge body 3, thereby anchoring the tendon, and then the feed-through jack 2 is started.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an anchor clamps for many reinforcing bars, includes feed-through jack (2), is provided with lantern ring (1) and interior wedge (3) on feed-through jack (2), its characterized in that: the lantern ring (1) is provided with a pressing mechanism for pressing the inner wedge body (3) into the lantern ring (1).
2. The anchoring jig for reinforcing bars according to claim 1, wherein: pressing means is connected including rotating the lantern ring (1) is kept away from two lead screw (4) of center-penetrating jack (2) one side are provided with slider (41) on lead screw (4), and slider (41) rotate and are connected with annular piece (411), and annular piece (411) one side fixedly connected with horizontal pole (4111), horizontal pole (4111) keep away from slider (41) one end to lantern ring (1) direction fixedly connected with montant (4112), montant (4112) with the connection can be dismantled in interior wedge (3).
3. The anchoring jig for reinforcing bars according to claim 2, wherein: interior wedge (3) are close to two sets of fixed blocks (31) of montant (4112) one side fixedly connected with form recess (32) between every group fixed block (31), montant (4112) are kept away from horizontal pole (4111) one end fixedly connected with is pegged graft plug-in block (4113) in recess (32), fixed block (31) with plug-in block (4113) can dismantle the connection.
4. The anchoring jig for reinforcing bars according to claim 2, wherein: the upper side and the lower side of the annular block (411) of the sliding block (41) are respectively and fixedly connected with a stop block (412).
5. The anchoring jig for reinforcing bars according to claim 2, wherein: the lead screw (4) is far away from one end of the lantern ring (1) and is fixedly connected with a hand wheel (42), and a handle (421) is arranged on the hand wheel (42).
6. The anchoring jig for reinforcing bars according to claim 2, wherein: two lead screw (4) are kept away from lantern ring (1) one end has passed simultaneously connecting plate (5), connecting plate (5) with two lead screw (4) rotate to be connected to connecting plate (5) both ends to lantern ring (1) direction is buckled and with lantern ring (1) side fixed connection.
7. The anchoring jig for reinforcing bars according to claim 1, wherein: the lantern ring (1) is detachably connected with the feed-through jack (2).
8. The anchoring jig for reinforcing bars according to claim 7, wherein: the feed-through jack is characterized in that the feed-through jack (2) is close to a pair of convex blocks (21) fixedly connected to the side face of one end of the lantern ring (1), the lantern ring (1) is close to the two sides of one end of the feed-through jack (2) and is respectively fixedly connected with the mounting blocks (11), the mounting blocks (11) are close to one side of each convex block (21) and are fixedly connected with a rod body (111), and the rod body (111) penetrates through the convex blocks (21) and one end of the convex blocks (21) is in threaded connection with a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021014389.2U CN212742658U (en) | 2020-06-05 | 2020-06-05 | Anchoring clamp for multiple steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021014389.2U CN212742658U (en) | 2020-06-05 | 2020-06-05 | Anchoring clamp for multiple steel bars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212742658U true CN212742658U (en) | 2021-03-19 |
Family
ID=75006903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021014389.2U Expired - Fee Related CN212742658U (en) | 2020-06-05 | 2020-06-05 | Anchoring clamp for multiple steel bars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212742658U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152793A (en) * | 2021-04-19 | 2021-07-23 | 南京润华建设集团有限公司 | Clamping device for clamping piece type anchorage device |
| CN113418774A (en) * | 2021-07-08 | 2021-09-21 | 深圳市泰科检测有限公司 | Clamping device for metal conduit bending detection |
| CN113740164A (en) * | 2021-07-29 | 2021-12-03 | 北京铁研建设监理有限责任公司 | Anchor rod drawing equipment |
-
2020
- 2020-06-05 CN CN202021014389.2U patent/CN212742658U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152793A (en) * | 2021-04-19 | 2021-07-23 | 南京润华建设集团有限公司 | Clamping device for clamping piece type anchorage device |
| CN113418774A (en) * | 2021-07-08 | 2021-09-21 | 深圳市泰科检测有限公司 | Clamping device for metal conduit bending detection |
| CN113418774B (en) * | 2021-07-08 | 2022-03-04 | 深圳市泰科检测有限公司 | Clamping device for metal conduit bending detection |
| CN113740164A (en) * | 2021-07-29 | 2021-12-03 | 北京铁研建设监理有限责任公司 | Anchor rod drawing equipment |
| CN113740164B (en) * | 2021-07-29 | 2024-05-10 | 北京铁研建设监理有限责任公司 | Anchor rod drawing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210319 |