CN111236648A - Split bolt dismounting device and construction method thereof - Google Patents
Split bolt dismounting device and construction method thereof Download PDFInfo
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- CN111236648A CN111236648A CN202010243349.3A CN202010243349A CN111236648A CN 111236648 A CN111236648 A CN 111236648A CN 202010243349 A CN202010243349 A CN 202010243349A CN 111236648 A CN111236648 A CN 111236648A
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- split bolt
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- 238000010276 construction Methods 0.000 title claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 239000004567 concrete Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0655—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts
- E04G17/0657—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts fully recoverable
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention provides a split bolt dismounting device and a construction method thereof. The split bolt dismounting device comprises a dismounting part and a holding part, the dismounting part comprises a cylinder and a connector, the cylinder consists of a solid section and a hollow section, the inner wall of the hollow section is provided with a screw thread, the screw thread of the cylinder is matched with the screw thread of the split bolt to be dismounted, the solid section is fixedly connected with the connector, and the cross section of the connector is polygonal; the middle part of the holding part is provided with a clamping piece for clamping the connector, and the two ends are grips; the detachable part is mounted on the holding part through a clamping piece. By adopting the technical scheme, the screw thread in the cylinder is matched with the screw thread of the split bolt, the split bolt dismounting device and the split bolt to be dismounted form a whole, and the split bolt is dismounted from the concrete structure by virtue of the connection between the screw threads. The device is easy and simple to handle, and labour saving and time saving has kept the structural integrity of split bolt for split bolt can have enough to meet the need the use.
Description
Technical Field
The invention relates to the field of building construction, in particular to a split bolt dismounting device used in the concrete structure formwork engineering of building construction engineering and a construction method thereof.
Background
In the building engineering, the concrete structure is widely applied to the fields of industry, civil use, municipal engineering and the like because of the characteristics of low cost, convenience in local material taking, good durability, high strength, good moldability and the like. No matter the cast-in-place concrete structure or the precast concrete beam, column and wall structure template, the split bolt is generally adopted during installation. The split bolt is generally made of round steel, the diameter of the split bolt is 14-20 mm, the longitudinal and transverse spacing is 400-800 mm, and the exposed length is 100-150 mm. During installation, the PVC sleeve is installed firstly, the split bolt is arranged in the PVC sleeve, the split bolt is used for reinforcing the template and then pouring concrete, and the split bolt and the template are removed after concrete curing is finished. When the split bolts are disassembled, the concrete has extrusion force on the split bolts, and the split bolts are difficult to grasp due to short exposed length and the like, so that the disassembling work is difficult, time-consuming and labor-consuming. Sometimes, the exposed part of the bolt is cut off directly, but the bolt cannot be reused, and material is wasted.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a split bolt removing device and a split bolt removing method that can remove a split bolt conveniently and quickly.
The invention adopts the following technical scheme:
according to a first aspect of the invention, a split bolt dismounting device is provided, which comprises a dismounting part and a holding part, wherein the dismounting part comprises a cylinder and a connector, the cylinder consists of a solid section and a hollow section, the inner wall of the hollow section is provided with a screw thread, the screw thread of the cylinder is matched with the screw thread of a split bolt to be dismounted, the solid section is fixedly connected with the connector, and the cross section of the connector is polygonal; the middle part of the holding part is provided with a clamping piece for clamping the connector, and the two ends are grips; the detachable part is mounted on the holding part through a clamping piece.
Through adopting above-mentioned technical scheme, the inside screw thread of drum and the screw thread cooperation of split bolt for split bolt demolishs the device and forms a whole with the split bolt, the split bolt application of force that can be convenient. When the two-part screw threads are screwed, the opposite-pulling bolt can be detached by applying a sufficiently large outward pulling force to the bolt through the handle. Meanwhile, the detachable part can be detached from the holding part, when the screw thread of the detachable part is not matched with the split bolt to be detached or the screw thread is damaged, the detachable part can be directly replaced, and the holding part can be repeatedly used. The tool has the advantages of reasonable structural design, simplicity and convenience in operation, time and labor saving, and capability of keeping the structural integrity of the split bolt, so that the split bolt can be used in a turnover manner.
Further, the cylinder is fixedly connected with the connector through a connecting rod.
Further, the joint spare holds in the palm with the card that sets up the draw-in groove outside including setting up the draw-in groove in inside, and the shape structure of draw-in groove matches with the shape structure of connector for the connector is held to the card, and the card holds in the palm to be hollow cylinder, and the inside shape structure of cylinder matches with the shape structure of drum, and the inside maximum aperture of draw-in groove cross section is greater than the diameter of the solid section of drum.
Or a stepped clamping groove is formed in the clamping piece, the shape structure of the large-size stepped part is matched with that of the connector, the shape structure of the small-size stepped part is matched with that of the cylinder, and the maximum aperture in the cross section of the large-size stepped part is larger than the diameter of the solid section of the cylinder.
Furthermore, the split bolt dismounting device is made of high-strength materials.
Further, the high-strength material is an aluminum alloy.
Further, the polygon is three to six.
According to another aspect of the present invention, there is provided a construction method of the split bolt dismantling device as described above, by the steps of:
step 1: selecting a disassembly part with a cylindrical screw thread matched with a split bolt screw thread to be disassembled;
step 2: inserting the selected disassembling part into a clamping piece in the middle of the holding part, and assembling to form a split bolt disassembling device;
and step 3: connecting a cylindrical screw thread on the disassembling part with a screw thread of the split bolt in a threaded manner, and rotating a grip on the holding part according to the connection direction of the screw threads to realize firm combination of the cylindrical screw thread and the split bolt;
and 4, step 4: when the screw threads are completely clamped, the handle is pulled, force is applied along the direction of the counter bolt, and the counter bolt poured in the concrete structure is pulled out of the PVC pipe;
and 5: unscrewing the screw thread between the split bolt and the cylinder to obtain the split bolt with a complete structure;
step 6: and (5) repeating the steps 1-5 until all the split bolts to be disassembled are disassembled.
The method adopts the split bolt dismantling device for assistance, can increase the application points, conveniently and laborsavingly dismantle the split bolt from the reinforced concrete structure, ensures that the split bolt structure and the concrete structure are not damaged, realizes the recycling of the bolt, avoids material waste and saves the construction cost.
Drawings
Fig. 1 is a front view of a split bolt dismantling device according to embodiment 1;
fig. 2 is a front perspective view of a disassembled part according to embodiment 1;
fig. 3 is a top view of a disassembled part according to embodiment 1;
fig. 4 is a front perspective view of the grip portion according to embodiment 1;
FIG. 5 is a side perspective view of a grip part according to embodiment 1;
fig. 6 is a front view of a split bolt dismounting device according to embodiment 2;
fig. 7 is a front perspective view of a disassembled part according to embodiment 2;
fig. 8 is a side view of a disassembled part according to embodiment 2;
fig. 9 is a front view of a grip portion according to embodiment 2;
FIG. 10 is a side perspective view of a grip part according to embodiment 2;
FIG. 11 is an operational view of the split bolt removing apparatus for removing the bolts;
in the figure, 1, a split bolt dismounting device, 2, a dismounting part, 3, a holding part, 2-1, a cylinder, 2-2, a screw thread, 2-3, a connecting rod, 2-4, a connector, 3-1, a clamping piece, 3-2, a handle, 3-1-1, a clamping groove, 3-1-2, a clamping support, 4, a split bolt, 5, a concrete structure, 6 and a PVC pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, a split bolt removing device 1 is provided, which is composed of a removing part 2 and a holding part 3. The disassembling part 2 consists of a cylinder 2-1 and a connector 2-4, the cylinder 2-1 consists of a solid section and a hollow section, the inner wall of the hollow section is provided with a screw thread 2-2, the screw thread 2-2 of the cylinder 2-1 is matched with the screw thread of the split bolt to be disassembled, and the solid section is fixedly connected with the connector 2-4. In order to avoid relative rotation of the connector 2-4 in the slot 3-1-1 during the removal of the split bolt, the cross section of the connector 2-4 is usually selected to be three to six-sided, in this example the cross section of the connector 2-4 is rectangular.
The middle part of the holding part 3 is provided with a cuboid clamping piece 3-1 for clamping the connector 2-4, the two ends are provided with cylindrical grips 3-2, and the diameter of the grip is smaller than the width and the thickness of the clamping piece 3-1, so that the total mass of the dismounting device is reduced. The middle part of the clamping piece 3-1 is provided with a stepped clamping groove 3-1-1, the structural shape of the large-size stepped part is matched with that of the connecting head 2-4, the structural shape of the small-size stepped part is matched with that of the cylinder 2-1, namely the large-size stepped part is a cuboid hole, and the small-size stepped part is a cylindrical hole, wherein the maximum aperture inside the rectangular cross section of the large-size stepped part is larger than the diameter of the solid section of the cylinder 2-1, so that the cylinder 2-1 can pass through the large-size stepped part, and the connecting head 2-1 is clamped on the stepped surface.
During assembly, the cylinder 2-1 of the disassembling part 2 penetrates through the clamping groove 3-1-1, the connector 2-1 is clamped in the clamping piece through the large-size step part, and the cylinder 2-1 extends out of the small-size step part. When used, the detachable portion 2 can be removed from the grip portion 3.
Example 2
Referring to fig. 6 to 10, there is provided a split bolt demolition apparatus 1, which is different from embodiment 1 in that: the cross section of the connector 2-4 of the disassembling part 2 is in a regular hexagon, the solid section of the cylinder 2-1 and the connector 2-4 are fixedly connected into a whole through the connecting rod 2-3, so that the cylinder 2-1 can extend out of the clamping support 3-1-2 in enough length, and the diameter of the connecting rod 2-3 is reduced as much as possible under the condition of ensuring enough connecting strength, so that the quality of the disassembling device is reduced.
The middle part of the holding part 3 is provided with a cylindrical clamping piece 3-1 which is used for detachably mounting the dismounting part 2. The middle part of the clamping piece 3-1 is provided with a clamping groove 3-1-1 matched with the shape structure of the connector 2-4, namely, the cross section of the clamping groove 3-1-1 is a regular hexagon, and the diameter of an inscribed circle of the regular hexagon is larger than that of a solid section of the cylinder, so that the cylinder 2-1 can smoothly penetrate out of the clamping groove 3-1-1'. One end of the clamping groove 3-1-1' is fixedly provided with a clamping support 3-1-2, the clamping support is a hollow cylinder, the internal structural shape of the clamping support is matched with the structural shape of the cylinder 2-1, the cylinder 2-1 penetrates out, and the connector 2-4 is clamped. The card holder 3-1-2 should not be too long to ensure that the cylinder 2-1 can extend out of the card holder 3-1-2 by a sufficient length. The wall thickness of the cylindrical retainer 3-1-2 should be large enough to allow the retainer to be securely held and provide a sufficient counter force when the split bolt is pulled outward.
During assembly, the cylinder 2-1 of the disassembling part 2 penetrates through the clamping groove 3-1-1' of the clamping piece 3-1 and penetrates out of the clamping support 3-1-2, and the connector 2-4 is clamped in the clamping piece 3-1 through the clamping support 3-1-2. When used, the detachable portion 2 can be removed from the grip portion 3.
By adopting the technical scheme, the threads 2-2 in the cylinder are in threaded connection with the threads of the split bolt 4, so that the split bolt dismounting device 1 and the split bolt 4 form a whole. As the cross section of the connector 2-4 is polygonal, the connector 2-4 can not move along with the screwing process, and the screw threads can be reliably screwed. Meanwhile, the force can be conveniently applied to the bolt by providing the holding handle 3-2. When the two-part screw threads are screwed, the opposite-pulling bolt can be detached by applying a sufficiently large outward pulling force to the bolt through the handle.
Because the diameter of the split bolt 4 is 14 to 20mm, different detachable parts 2 can be manufactured according to the screw thread of the split bolt to be detached, so that the detachable parts 2 are provided with different cylinders 2-1 matched with the screw thread of the split bolt, and the split bolt can be conveniently replaced according to specific conditions when being detached.
In order to enhance the usability and the service life of the split bolt removing tool 1, the split bolt removing device can be made of high-strength materials such as stainless steel, aluminum alloy, nodular cast iron, brass, common steel and the like. Preferably, the split bolt dismantling device is made of aluminum alloy materials, and the aluminum alloy materials are high in strength and light in weight, so that the overall weight of the device is reduced, and the operation of a user is facilitated. According to another aspect of the present invention, there is also provided a construction method of the split bolt dismantling device 1 as described above, which is implemented by the steps of:
step 1: selecting a disassembly part 2 with the cylindrical screw thread 3-2 matched with the split bolt screw thread to be disassembled;
step 2: the cylinder 2-1 of the selected disassembling part 2 is inserted into the clamping groove 3-1-1 on the clamping piece 3-1 and penetrates out of the clamping support 3-1-2, or is inserted into the large-size part of the stepped clamping groove 3-1 and penetrates out of the small-size part, and the split bolt disassembling device 1 is formed by assembling;
and step 3: connecting a cylindrical screw thread 2-2 on the disassembly part 2 with a screw thread of a split bolt in a threaded manner, and rotating according to the screw thread connection direction by holding a grip 3-2 on the holding part 3 to realize firm combination of the two;
and 4, step 4: when the screw threads are completely clamped, the handle 3-2 is pulled, force is applied in the direction of an arrow shown in fig. 11, and the counter bolt is pulled out from the PVC pipe 6 poured in the concrete structure 5;
and 5: unscrewing the screw threads between the split bolt 4 and the cylinders 2-4 to obtain the split bolt 4 with a complete structure;
step 6: and (5) repeating the steps 1-5 until all the split bolts 4 to be disassembled are disassembled.
Before connecting the cylindrical screw thread with the split bolt screw thread, the nut on the split bolt is usually required to be removed, if the shape of the clamping groove is matched with that of the nut on the split bolt, the single holding part 3 can be used as a spanner to remove the nut on the split bolt, and the dual-purpose split bolt is used.
By adopting the method, the original stress mode that bolts are removed by applying friction force and pulling force by hands is changed, the labor intensity of constructors can be greatly reduced, the working efficiency is improved, the structural integrity of the split bolts is protected, the turnover use times of the split bolts are increased, the engineering cost is saved, and good economic benefit and social benefit are created.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a split bolt demolishs device, includes dismantlement part and the part of gripping which characterized in that: the disassembly part comprises a cylinder and a connector, the cylinder consists of a solid section and a hollow section, the inner wall of the hollow section is provided with a screw thread, the screw thread of the cylinder is matched with the screw thread of the split bolt to be disassembled, the solid section is fixedly connected with the connector, and the cross section of the connector is polygonal; the middle part of the holding part is provided with a clamping piece for clamping the connector, and the two ends are grips; the detachable part is mounted on the holding part through a clamping piece.
2. The split bolt demolishing apparatus according to claim 1, wherein: the cylinder is fixedly connected with the connector through a connecting rod.
3. The split bolt demolishing apparatus according to claim 1, wherein: the joint spare holds in the palm with the outside card that sets up the draw-in groove including setting up the draw-in groove in inside, and the shape structure of draw-in groove matches with the shape structure of connector for the connector is held to the card, and the card holds in the palm to be hollow cylinder, and the inside shape structure of cylinder matches with the shape structure of drum, and the inside maximum aperture of draw-in groove cross section is greater than the diameter of the solid section of drum.
4. The split bolt demolishing apparatus according to claim 1, wherein: the inside ladder draw-in groove that is equipped with of joint, the shape structure of jumbo size ladder part matches with the shape structure of connector, and the shape structure of small-size ladder part matches with the shape structure of drum, and the inside maximum aperture of jumbo size ladder part cross section is greater than the diameter of the solid section of drum.
5. The split bolt demolishing apparatus according to claim 1, wherein: the split bolt dismounting device is made of high-strength materials.
6. The split bolt dismantling device according to claim 5, wherein: the high-strength material is aluminum alloy.
7. The split bolt demolishing apparatus according to claim 1, wherein: the polygon is three to six.
8. A construction method of the split bolt demolishing apparatus according to any one of claims 1 to 7, which is carried out by the steps of:
step 1: selecting a disassembly part with a cylindrical screw thread matched with a split bolt screw thread to be disassembled;
step 2: inserting the selected disassembling part into a clamping piece in the middle of the holding part, and assembling to form a split bolt disassembling device;
and step 3: connecting a cylindrical screw thread on the disassembling part with a screw thread of the split bolt in a threaded manner, and rotating a grip on the holding part according to the connection direction of the screw threads to realize firm combination of the cylindrical screw thread and the split bolt;
and 4, step 4: when the screw threads are completely clamped, the handle is pulled, force is applied along the direction of the counter bolt, and the counter bolt is pulled out of the PVC pipe;
and 5: unscrewing the screw thread between the split bolt and the cylinder to obtain the split bolt with a complete structure;
step 6: and (5) repeating the steps 1-5 until all the split bolts to be disassembled are disassembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010243349.3A CN111236648A (en) | 2020-03-31 | 2020-03-31 | Split bolt dismounting device and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010243349.3A CN111236648A (en) | 2020-03-31 | 2020-03-31 | Split bolt dismounting device and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111236648A true CN111236648A (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010243349.3A Withdrawn CN111236648A (en) | 2020-03-31 | 2020-03-31 | Split bolt dismounting device and construction method thereof |
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| Country | Link |
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| CN (1) | CN111236648A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2929057Y (en) * | 2006-07-06 | 2007-08-01 | 中建八局第二建设有限公司 | Counter pull bolt complete set device capable of repeatedly using |
| CN106522545A (en) * | 2016-12-23 | 2017-03-22 | 中国人民解放军63926部队 | Self-disassembled adjustable opposite-pull screw device and assembling and disassembling method thereof |
| CN206053331U (en) * | 2016-08-30 | 2017-03-29 | 广西大业建设集团有限公司 | Detachable reusable split bolt |
| DE102015012483A1 (en) * | 2015-09-24 | 2017-03-30 | Stefan Heimerl | Puller for shuttering elements in concrete construction |
| CN107060333A (en) * | 2017-06-29 | 2017-08-18 | 成都建筑工程集团总公司 | Split bolt assembly |
| CN208870400U (en) * | 2018-09-11 | 2019-05-17 | 中国建筑第八工程局有限公司 | A kind of split bolt bracing means |
| CN209099769U (en) * | 2018-10-15 | 2019-07-12 | 青岛福瀛建设集团有限公司 | A kind of concrete blinding mariages is to drawing clamp device |
| CN210140998U (en) * | 2019-04-17 | 2020-03-13 | 中建二局第一建筑工程有限公司 | Pull rod is worn to reuse of wall body concrete form is built in room |
| CN211949619U (en) * | 2020-03-31 | 2020-11-17 | 中国二十二冶集团有限公司 | Split bolt dismounting device |
-
2020
- 2020-03-31 CN CN202010243349.3A patent/CN111236648A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2929057Y (en) * | 2006-07-06 | 2007-08-01 | 中建八局第二建设有限公司 | Counter pull bolt complete set device capable of repeatedly using |
| DE102015012483A1 (en) * | 2015-09-24 | 2017-03-30 | Stefan Heimerl | Puller for shuttering elements in concrete construction |
| CN206053331U (en) * | 2016-08-30 | 2017-03-29 | 广西大业建设集团有限公司 | Detachable reusable split bolt |
| CN106522545A (en) * | 2016-12-23 | 2017-03-22 | 中国人民解放军63926部队 | Self-disassembled adjustable opposite-pull screw device and assembling and disassembling method thereof |
| CN107060333A (en) * | 2017-06-29 | 2017-08-18 | 成都建筑工程集团总公司 | Split bolt assembly |
| CN208870400U (en) * | 2018-09-11 | 2019-05-17 | 中国建筑第八工程局有限公司 | A kind of split bolt bracing means |
| CN209099769U (en) * | 2018-10-15 | 2019-07-12 | 青岛福瀛建设集团有限公司 | A kind of concrete blinding mariages is to drawing clamp device |
| CN210140998U (en) * | 2019-04-17 | 2020-03-13 | 中建二局第一建筑工程有限公司 | Pull rod is worn to reuse of wall body concrete form is built in room |
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