CN218233176U - Auxiliary mounting device for anchor clamping piece - Google Patents
Auxiliary mounting device for anchor clamping piece Download PDFInfo
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- CN218233176U CN218233176U CN202222890288.7U CN202222890288U CN218233176U CN 218233176 U CN218233176 U CN 218233176U CN 202222890288 U CN202222890288 U CN 202222890288U CN 218233176 U CN218233176 U CN 218233176U
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- clamping piece
- clamping
- sliding cone
- steel strand
- anchor
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Abstract
The utility model discloses an anchorage device clamping piece is with supplementary installation device mainly relates to the building engineering field. The sliding cone is sleeved on the surface of the steel strand, one end of the sliding cone is conical, the maximum outer diameter of the sliding cone is smaller than the minimum inner diameter of a conical hole of the anchor, the outer diameter of the conical end of the sliding cone is larger than the minimum inner diameter of the clamping piece, and the length of the sliding cone is smaller than the difference between the depth of the conical hole of the anchor and the length of the clamping piece. The beneficial effects of the utility model reside in that: the auxiliary clamping piece is used for being more conveniently installed inside the anchorage device, the structure is simple, the cost is low, time and labor are saved when the clamping piece penetrates into the anchorage device, internal threads of the clamping piece cannot be damaged, the hidden danger of accidents is reduced, and the gripping force of the clamping piece on the steel strand is improved. The clamping piece can be more smoothly installed by workers, and whether the clamping piece is installed in the anchorage device can be judged without observation when the clamping piece is installed.
Description
Technical Field
The utility model relates to a building engineering field specifically is an anchorage device clamping piece is with supplementary installation device.
Background
For a precast beam in bridge construction, prestress tensioning is performed in a circular duct (corrugated pipe) of a beam body, and usually, a steel strand is firstly penetrated into the circular duct to install an anchorage device which is a limiting tool for applying prestress tensioning. In the tensioning process, one steel strand is stretched to generate tensile stress on the bridge structure, a system of acting force and reacting force is formed between the bridge body and the steel strand, and the whole bridge body is in a stressed state under the system to prestress the reinforced concrete bridge structure.
The steel strand is a main stress bar in the stretching process, the anchorage device is used for limiting the tensile stress of the steel strand, the anchorage device is installed at two end parts of a box girder and used for limiting the retraction of the tensile stress after the stretching is finished, and the stress bar is always kept in an anchoring state in the whole process, as shown in the attached drawing of the specification, namely fig. 5 and fig. 6, a plurality of clamping piece holes are usually arranged on the anchorage device, generally 7 or 9 clamping piece holes are selected according to different stresses, the clamping piece holes in the anchorage device are conical through holes, the clamping pieces are matched with the anchorage device for use, the overall outline of each clamping piece is conical, the size of each clamping piece is matched with the conical through holes of the clamping pieces of the anchorage device, the clamping pieces are generally divided into two or four pieces, steel wire rings are sleeved at the bottoms of the clamping pieces, the clamping pieces can be opened, the main functions of clamping the steel strand and clamping the steel strand, the insides of the clamping pieces are in a thread shape, the threads mainly increase the holding force of the clamping pieces and the steel strand, the steel strand is tightly wrapped up together, and the steel strand plays a role of the clamping device.
When the installation ground tackle, earlier pass the toper through-hole on the ground tackle clamping piece respectively with steel strand wires, then use a hollow pipe to strike the clamping piece, strike the clamping piece in the toper hole of ground tackle, rather than closely cooperate, after accomplishing the whole installations of clamping piece then install same ground tackle and clamping piece on the steel strand wires of tensioning machine jack department, the tensioning machine jack at bridge both ends draws and draws steel strand wires, give a prestressing force of steel strand wires and then relaxing, make the tensile stress of bridge both ends steel strand wires act on between clamping piece and the ground tackle, because the bell mouth between anchor clamps and the ground tackle is mutually supported the effect, when making the tensile stress of steel strand wires act on the clamping piece, only can draw more tight.
Because when placing steel strand wires in the work progress, must keep somewhere one section distance and use stretch-draw machine jack to draw and drag steel strand wires, it is about 1.2-1.5 m to keep somewhere the distance, because keep somewhere that the distance is longer so to cause the puzzlement to workman's installation clamping piece, the clamping piece need pass steel strand wires during the installation clamping piece, but because the effect of the steel wire line of clamping piece bottom makes the clamping piece open and close, clamping piece front end clamp is on steel strand wires behind the installation clamping piece, when penetrating steel strand wires, must borrow the instrument and strike the clamping piece rear end and just can pass, the workman is when the installation clamping piece, all use hollow steel pipe cup joint on steel strand wires, then strike the clamping piece with hollow steel pipe and install. Because the inside of the clamping piece is in a thread shape, if repeated impact is carried out on the clamping piece, internal threads can be damaged, especially the front end of the clamping piece is damaged, when the tensioning jack finally loosens a steel strand in a pulling mode, due to the fact that partial threads are invalid, the gripping force of the clamping piece on the steel strand is poor, the prestress of the steel strand is too large, the steel strand is contracted, the clamping piece and the anchorage device interact, and the clamping piece is directly broken out to hurt people. However, if the clamping pieces are spread by a tool and installed in the steel strand, the tool is troublesome and labor-consuming, and the clamping pieces still need to be impacted to install the clamping pieces after being contacted with the anchorage device.
Referring to fig. 5 of the drawings in the specification, one side of a beam box is provided with 8 circular holes, one anchor is provided with 9 conical holes, one clamping piece is arranged in each conical hole, and one beam box (two sides) is provided with 16 circular holes, so that 164 clamping pieces need to be penetrated in one beam box, and the workload of workers is huge. There is a need for an auxiliary mounting device for an anchor clip.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anchorage device clamping piece is with supplementary installation device, it is used for assisting inside the clamping piece installs the anchorage device more conveniently, simple structure low cost for the clamping piece is when penetrating inside the anchorage device, can not harm labour saving and time saving when the clamping piece internal thread, has reduced the hidden danger of accident, thereby has improved the bond stress of clamping piece to steel strand wires. The clamping piece can be more smoothly installed by workers, and whether the clamping piece is installed in the anchorage device can be judged without observation during installation of the clamping piece.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
the utility model provides an anchorage device clamping piece is with supplementary installation device is including cup jointing the slip awl section of thick bamboo on steel strand wires surface, slip awl section of thick bamboo one end is the toper, the biggest external diameter of slip awl section of thick bamboo is less than the minimum internal diameter of the bell mouth of anchorage device, just the toper end external diameter of slip awl section of thick bamboo is greater than the minimum internal diameter of clamping piece, slip awl section of thick bamboo length is less than the difference between anchorage device bell mouth degree of depth and the clamping piece length.
The circumference of the tapered end of the sliding cone is provided with a clamping protrusion, and the clamping protrusion is matched with the inner surface of the tapered end of the clamping piece.
The clamping protrusions on the circumference of the conical end of the sliding cone cylinder are equally provided with multiple sections.
The clamping protrusion is a flange.
The flange profile is chamfered.
The clamping protrusion is a threaded section, and the threaded section is a buckle.
The sliding cone is made of a hard material.
Contrast prior art, the beneficial effects of the utility model reside in that:
can assist the clamping piece to install inside the ground tackle more conveniently, simple structure low cost for the clamping piece is when penetrating ground tackle inside, labour saving and time saving when can not harm the inside screw thread of clamping piece has reduced the hidden danger of accident, thereby has improved the bond stress of clamping piece to the steel strand wires. The clamping piece can be more smoothly installed by workers, and whether the clamping piece is installed in the anchorage device can be judged without observation when the clamping piece is installed.
Drawings
Figure 1 is the overall view of the device of the utility model.
Fig. 2 is an equal arrangement view of the device in the utility model.
Fig. 3 is a view of the middle clamping piece acting on the sliding cone.
Figure 4 is a view of the inner part of the anchor device where the sliding cone of the utility model is kept.
Figure 5 is a view of the middle beam box of the present invention.
Fig. 6 is a view of the middle clip of the present invention.
The reference numbers shown in the figures:
1. steel strand wires; 2. sliding the cone; 3. an anchorage device; 4. a tapered hole; 5. a flange; 6. a threaded segment; 7. a clip; 8. a transition end.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
An ground tackle clamping piece is with supplementary installation device, as description attached drawing figure 1 shows, major structure is including cup jointing at the slip awl section of thick bamboo 2 on steel strand wires 1 surface, and 2 one end of slip awl section of thick bamboo are the toper, and the other end is cylindrical, and the toper end external diameter of slip awl section of thick bamboo 2 is greater than the minimum internal diameter of clamping piece 7 for slip awl section of thick bamboo 2 struts clamping piece 7, and the transition of 7 toper internal surfaces of clamping piece and slip awl section of thick bamboo 2 holds 8 contacts, and transition end 8 is toper and cylindrical direct junction. When the clamping piece 7 is pushed into the anchorage device 3, a gap is formed between the clamping piece 7 and the surface of the steel strand 1, so that the clamping piece 7 is not in contact with the steel strand 1, and the clamping piece 7 is pushed into the conical hole 4 of the anchorage device easily through the hollow steel pipe. The biggest external diameter of slip awl section of thick bamboo 2 is less than the minimum internal diameter of ground tackle 3, so when clamping piece 7 enters into the bell mouth 4 of ground tackle, because bell mouth 4 is the taper gradually diminishing, so inside clamping piece 7 deepened ground tackle 3 more, the pressure that clamping piece 7 received is big more, because clamping piece 7 and slip awl section of thick bamboo 2 transition end 8 contact and slip awl section of thick bamboo 2 are the toper, so when the effort of clamping piece 7 acted on slip awl section of thick bamboo 2 outward appearance, can produce the extrusion force to slip awl section of thick bamboo 2, make slip awl section of thick bamboo 2 receive and release under the clamping piece 7 squeezing action, when slip awl section of thick bamboo 2 was released, clamping piece 7 entered into ground tackle 3's toper bucket completely.
Of particular note are: as shown in the attached drawing figure 4 of the specification, the clamping piece 7 enters into the bell mouth 4 of the ground tackle completely after, the sliding cone section of thick bamboo 2 is kept somewhere in the bell mouth 4 of the ground tackle, because there is a section distance (because the bell mouth 4 of ground tackle needs to carry on spacingly to the clamping piece 7 between the 3 bell mouth 4 bottoms of ground tackle in addition between the clamping piece 7 and the ground tackle, just can keep the prestressing force of steel strand wires 1, keep somewhere that a section distance can play better spacing effect), so inside 3 bell mouths 4 of ground tackle can be kept to the clamping piece 7, and ground tackle 3 keeps somewhere can not influence the stretch-draw effect in bell mouth 4, so the length of sliding cone section of thick bamboo 2 is less than the difference between 3 bell mouth 4 degree of depth of ground tackle and the clamping piece 7. And the clamping piece 7 extrudees a slip awl section of thick bamboo 2 for a slip awl section of thick bamboo 2 is released, so a slip awl section of thick bamboo 2 can not be soft material, otherwise probably be pressed from both sides by the clamping piece 7 and break up, block the clamping piece 7 and lead to the clamping piece 7 more easily to jump out, so a slip awl section of thick bamboo 2 material is hard material, can be metal or rigid plastic, from economic angle on the selection can.
But owing to keep somewhere that steel strand wires 1 is longer and steel strand wires 1 has toughness, is not a straight-bar, so in the use hollow tube propelling movement in-process, owing to lack spacing between clamping piece 7 and the 2 transition ends 8 of slip awl section of thick bamboo, lead to the two relative slip to appear and drop for the cooperation is directly installed again with clamping piece 7 to slip awl section of thick bamboo 2, if in addition when propelling movement in ground tackle 3, slip awl section of thick bamboo 2 appears dropping and still can damage clamping piece 7 internal thread. It is therefore desirable to further improve the device:
be equipped with the joint arch on the circumference of the 2 toper ends of slip awl section of thick bamboo, the joint is protruding to be cooperated with the internal surface of the 7 toper ends of clamping piece for the circumference joint of the 2 toper ends of slip awl section of thick bamboo is protruding to be blocked joint with the internal surface joint of the 7 toper ends of clamping piece, prevents relative slip that can be easily between the two, leads to the two readily releasable. Meanwhile, the contact position of the sliding cone barrel 2 and the clamping piece 7 is improved, the contact position of the two is that the conical inner surface of the clamping piece 7 is in contact with the transition end 8 of the sliding cone barrel 2, the clamping piece 7 is in clamping convex contact with the conical end of the sliding cone barrel 2, the contact position of the two is changed, and the sliding cone barrel 2 is extruded more easily when the clamping piece 7 penetrates into the conical hole 4 in the anchor device 3. There are several ways in which the snap-in projection can be implemented, as described below:
the clamping protrusion is a flange 5, as shown in figure 1 of the attached drawings of the specification, the clamping protrusion is the flange 5, the flange 5 can form a clamping structure with the clamping piece 7, the internal thread of the clamping piece 7 is in contact with the clamping protrusion, the clamping protrusion stretches the clamping piece 7 open, and when the clamping piece 7 penetrates the steel strand 1, the internal thread of the conical end of the clamping piece 7 is not in surface contact with the steel strand 1. Use the joint arch to be flange 5 also can realize inside simple spacing clamping piece 7 is crowded into bell mouth 4 by clamping piece 7 when, but to actual operation, the joint is protruding to contact with the inside screw thread of clamping piece 7 conical end if the transition is not smooth between the two, probably the workman acts on clamping piece 7 rear end through the pipe, when sending into anchor tool 3 inside with clamping piece 7, still a bit hard, so say still need improve it, need carry out the chamfer to flange 5 profile, make and act on more smoothly between clamping piece 7 and the flange 5, and can also carry out simple spacing support to clamping piece 7.
The clamping protrusion is a thread section 6, the thread section 6 is a buckle, as shown in figure 1 of the attached drawings, the thread section 6 is not necessarily matched with the clamping piece 7, the thread is a simple clamping stopping function and is not directly meshed, when the clamping piece 7 is conveyed into the anchor 3, the internal thread of the clamping piece 7 acts on the thread section 6, an interaction force is generated between the thread section 6 and the thread section, the sliding cone 2 is extruded out of the clamping piece 7, and in order to avoid damaging the internal thread in extrusion, the thread section 6 is provided with the buckle and is not meshed with the internal thread of the clamping piece 7, so that the damage to the internal thread of the clamping piece 7 is reduced to the maximum extent.
The above-mentioned engaging protrusion is formed by a circle at the tapered end of the sliding cone 2, but if a worker wants to easily feed the clip 7 into the anchor 3, the engaging protrusion may be reduced, for example, divided into segments by four times at the circumference of the sliding cone 2. The improved anchor is more suitable for the clamping pieces 7 which are divided into four parts in the market, so that the clamping pieces 7 can be pushed into the anchor 3 more easily and more easily in a labor-saving manner.
When the workman enters into 3 insides of ground tackle through pipe propelling movement clamping piece 7 now, the propelling movement process is as shown in description attached drawing 3, owing to strike clamping piece 7 rear end through the pipe for clamping piece 7 enters into 3 insides of ground tackle, but does not know when specifically entering into 3 bell mouth 4 of ground tackle completely, need close observation next to, but set up joint protruding back on 2 bell mouth circumferences of slip awl section of thick bamboo, if can extrude slip awl section of thick bamboo 2 when 3 bell mouth 4 of ground tackle are joined completely to clamping piece 7, and when extruding slip awl section of thick bamboo 2, between the joint arch on clamping piece 7 and the slip awl section of thick bamboo 2, can produce an effort, and produce a slight vibrations, just so can know that clamping piece 7 enters into 3 insides of ground tackle completely.
In conclusion, inside this device can assist clamping piece 7 to install 3 anchorages more conveniently, simple structure low cost for clamping piece 7 is when penetrating 3 anchorages inside, labour saving and time saving when can not harm the inside screw thread of clamping piece 7 has reduced the hidden danger of accident, thereby has improved the bond stress of clamping piece 7 to steel strand wires 1. It is also possible to make the worker smoother when installing the clamping piece 7 and to determine whether the clamping piece 7 is installed inside the anchorage 3 without observing when installing the clamping piece 7.
Claims (7)
1. An auxiliary installation device for an anchorage clamping piece is characterized in that: the steel strand anchor is characterized by comprising a sliding cone cylinder (2) sleeved on the surface of a steel strand (1), wherein one end of the sliding cone cylinder (2) is conical, the maximum outer diameter of the sliding cone cylinder (2) is smaller than the minimum inner diameter of a conical hole (4) of the anchor, the outer diameter of the conical end of the sliding cone cylinder (2) is larger than the minimum inner diameter of a clamping piece (7), and the length of the sliding cone cylinder (2) is smaller than the difference between the depth of the conical hole (4) of the anchor and the length of the clamping piece (7).
2. The auxiliary mounting device for an anchor clip of claim 1, wherein: the circumference of the conical end of the sliding cone cylinder (2) is provided with a clamping protrusion, and the clamping protrusion is matched with the inner surface of the conical end of the clamping piece (7).
3. The auxiliary mounting device for an anchor clip of claim 2, wherein: the clamping protrusions on the circumference of the conical end of the sliding conical cylinder (2) are equally provided with multiple sections.
4. An auxiliary mounting device for an anchor clip according to claim 2 or claim 3, wherein: the clamping protrusion is a flange (5).
5. The auxiliary mounting device for an anchor clip of claim 4, wherein: the flange (5) profile is chamfered.
6. An auxiliary mounting device for an anchor clip according to claim 2 or claim 3, wherein: the clamping protrusion is a threaded section (6), and the threaded section (6) is a buckle.
7. The auxiliary mounting device for an anchor clip of claim 1, wherein: the sliding cone cylinder (2) is made of hard materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222890288.7U CN218233176U (en) | 2022-10-31 | 2022-10-31 | Auxiliary mounting device for anchor clamping piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222890288.7U CN218233176U (en) | 2022-10-31 | 2022-10-31 | Auxiliary mounting device for anchor clamping piece |
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| Publication Number | Publication Date |
|---|---|
| CN218233176U true CN218233176U (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222890288.7U Active CN218233176U (en) | 2022-10-31 | 2022-10-31 | Auxiliary mounting device for anchor clamping piece |
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| Country | Link |
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| CN (1) | CN218233176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117140057A (en) * | 2023-10-26 | 2023-12-01 | 盛吉盛半导体科技(北京)有限公司 | Device for assembling heating lamp applied to semiconductor equipment |
-
2022
- 2022-10-31 CN CN202222890288.7U patent/CN218233176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117140057A (en) * | 2023-10-26 | 2023-12-01 | 盛吉盛半导体科技(北京)有限公司 | Device for assembling heating lamp applied to semiconductor equipment |
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