CN104723092A - Clamping device and method used for guaranteeing equality of extension lengths of two ends of through bolt - Google Patents
Clamping device and method used for guaranteeing equality of extension lengths of two ends of through bolt Download PDFInfo
- Publication number
- CN104723092A CN104723092A CN201510123080.4A CN201510123080A CN104723092A CN 104723092 A CN104723092 A CN 104723092A CN 201510123080 A CN201510123080 A CN 201510123080A CN 104723092 A CN104723092 A CN 104723092A
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- Prior art keywords
- block
- bolt
- punching bolt
- slotted eye
- flange
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
Abstract
The invention provides a clamping device and method used for guaranteeing equality of the extension lengths of the two ends of a through bolt. The clamping device and method mainly solve the problem that the extension lengths of the two ends of a through bolt are not equal when the through bolt is mounted manually. The clamping device comprises a magnetic base and a shell, wherein the magnetic base can be attracted to a flange, and the shell is perpendicularly arranged on the base; the shell is internally provided with a first cavity communicated with a through hole in the base, and the two opposite side faces of the shell are symmetrically provided with a first slot hole and a second slot hole; a ruler is arranged at one side of the first slot hole in the shell, and the zero graduation line of the ruler is flush with the bottom face of the base; the first cavity is internally provided with a first V-shaped block and a second V-shaped block which are provided with opposite openings; a threaded rod capable of rotating along the second slot hole is arranged at one side of the second slot hole; the part, on the outer side of the second slot hole, of the threaded hole is provided with a movable nut; the threaded rod is rotated, the first V-shaped block moves towards the second V-shaped block and clamps the through bolt, and the position of the threaded rod is fixed through the movable nut. The clamping device is simple in structure, convenient to use and capable of effectively guaranteeing the equality of the extension lengths of the two ends of the through bolt.
Description
Technical field
The present invention relates to engineering equipment mounting technique field, specifically a kind of for ensureing the gripping mechanism that punching bolt two ends extension elongation is equal and method.
Background technology
In engineering equipment installation process, pipeline is installed very common, flange connection is as a kind of common pipeline connecting mode, specifically refer to and be cast with flange at the two ends of pipeline joint, end face of flange has seal groove, groove built with sealing ring, to connecting rear bolt or pipeline tightly connects together by punching bolt.Flange connection is widely used in the pipeline of the various fields such as electric power, oil and chemical industry connects, usually liquid can be connected with in the pipeline be connected, these liquid are oil or other dangerous industrial chemicals, such as, containing cold oil in the cooling oil path of high-power transformer, for constantly circulating transformer lowered the temperature.In Specific construction process, because the service condition of these pipelines is all harsher, therefore its connector adopts punching bolt, to ensure better air-tightness.
But, in pipe installation process, as shown in Figure 8, the installation of punching bolt is also lack of standardization, and extension elongation phenomenon different in size in punching bolt two ends is particularly outstanding, and the length that some punching bolts stretch out nut is too short, even only have 2-3 pitch, it is long that this kind of situation will cause the other end to stretch out.This is due in installation process, and punching bolt adopts manual installation, and workman is not easy to grasp to the extension elongation at punching bolt two ends when constructing, although strengthen inspection, can improve and install effect among a small circle.But, in concrete installation process, adopt the pipeline of Flange joint very many, be difficult to accomplish effective control, but also the operation easier of installer can be increased.
The installation of punching bolt is lack of standardization often causes many quality problems; First, if bolt stretches out, nut is too short easily causes connection unreliable, has larger potential safety hazard; Secondly, for the equipment of design compared with specification, studs one end is stretched out long often generation subsequent installation and is disturbed; Finally, on the establishment of construction enterprises' high grade project target, there is larger impact, because during high grade project evaluation, details aspect is embodied under most cases, multiple punching bolt two ends extension elongation on a ring flange is different in size, and the details error that Here it is clearly, if be required dismounting again, seal can be caused to damage toward contact, bring unnecessary loss.
Summary of the invention
For in prior art, punching bolt adopts manual installation, workman is not easy to grasp to the extension elongation at punching bolt two ends when constructing, cause the problem that punching bolt two ends extension elongation is different in size, the object of the present invention is to provide a kind of for ensureing the gripping mechanism that punching bolt two ends extension elongation is equal and method, in installation process, accurately control the extension elongation at punching bolt two ends, reach uniform effect.
The present invention solves the technical scheme that its technical problem takes:
For ensureing the gripping mechanism that punching bolt two ends extension elongation is equal, it is characterized in that, comprise,
With the base of magnetic, and be provided with axial arranged through hole, be vertically installed in the housing on described base, described enclosure interior is provided with the first cavity communicated with described through hole, two Side symmetrical that described housing is relative are provided with the first slotted eye and the second slotted eye that communicate with described first cavity, the surface of shell of described first slotted eye side is provided with scale, zero groove of described scale is concordant with the bottom surface of described base, the first relative V-block of opening and the second V-block is provided with in described first cavity
Described first V-block top is provided with connecting plate, the locating convex block stretching out described first slotted eye is provided with on the described connecting plate of the first slotted eye side, described locating convex block lower surface is concordant with described first V-block top, the T-slot of lateral arrangement is provided with on the described connecting plate of the second slotted eye side
Described second V-block top is provided with the T-shaped slide block corresponding with described T-slot, be provided with on described second V-block of the second slotted eye side and stretch out described second slotted eye and the screw rod that can rotate along described first V-block, described screw rod has traveling nut in described second slotted eye arranged outside, and described screw rod free end is provided with turning handle.
Further, on described second V-block of the second slotted eye side, be provided with the second cavity, described screw rod is provided with annular flange flange, and described annular flange flange is in the second cavity, and described screw rod utilizes gland to be fixedly connected on described second V-block.
Further, described gland is connected and fixed by welding or screw and connects on described second V-block.
Further, described base bottom is provided with some counterbores, utilizes the first trip bolt to be fixedly installed some kicker magnets in described counterbore.
Further, described base entirety is kicker magnet.
For ensureing the localization method that punching bolt two ends extension elongation is equal, it is characterized in that,
Step one, select the punching bolt of same length specification, and calculate according to installation requirement the length that punching bolt stretches out lower flange (b);
Step 2, the gripping mechanism of preparation described in one, inserted the lower end of described punching bolt by base, promote the first V-block and move in the first cavity, until locating convex block slides into suitable scale, punching bolt clamps by rotating screw bolt;
Step 3, the punching bolt clamped by described gripping mechanism insert in the bolt hole on lower flange (b) and the base of described clamping device and lower flange (b) are adjacent to;
The nut of step 4, rotation punching bolt (c) external part is to being adjacent to upper flange (a), rotating screw bolt, unclamp the first V-block and the second V-block, remove described clamping device, after rotating the nut of punching bolt (c) lower end, by two nut screwing clampings, now, the length that flange is stretched out at punching bolt (c) two ends is identical;
Step 5, repetition step 3 and step 4, until complete the fastening of whole ring flange.
The invention has the beneficial effects as follows:
1, housing being provided with base end face is the scale of benchmark, after being had by punching bolt base to insert, the second V-block is made to drive the first V-block to move in the first cavity, can according to specifically installing needs, when punching bolt clamps to rotating screw bolt during scale correct position by locating convex block, the punching bolt that clamps with described gripping mechanism inserts the bolt hole on lower flange and is adjacent to the base of this gripping mechanism and lower flange, thus control the length that punching bolt stretches out end face of flange, ensure that punching bolt two ends extension elongation is equal.
2, the first V-block drives the second V-block can hold the punching bolt of multiple regulation, gripping mechanism of the present invention, can realize the installation operation of plurality of specifications punching bolt.
3, base is arranged to magnetic, for the pipeline of ferrous material, can directly be adsorbed on lower flange, thus does not need to assist it with hand, reduces operating procedure; And in extensive installation, can use multiple of the present invention for ensureing the positioner that punching bolt two ends extension elongation is equal, punching Bolt to position and nut screwing clamping are separately carried out, multiple workmen's separate operation, effectively can improve construction speed when ensureing installation quality.
Accompanying drawing explanation
Fig. 1 is axle apparent direction structural representation of the present invention;
Fig. 2 of the present inventionly in Fig. 1 faces direction structure schematic diagram;
Fig. 3 is right apparent direction structural representation of the present invention in Fig. 1;
Fig. 4 of the present inventionly in Fig. 1 looks up direction structure schematic diagram;
Fig. 5 is complete section structural representation of the present invention;
Fig. 6 is the sectional structure schematic diagram along B-B direction in Fig. 3;
Fig. 7 is the structural representation of the first V-block in the present invention;
Fig. 8 be the installation of studs in prior art lack of standardization time structural representation;
In figure: 1 base, 11 kicker magnets, 111 first trip bolts, 12 through holes, 2 housings, 21 first slotted eyes, 22 second slotted eyes, 23 scales, 24 first cavitys, 3 first V-blocks, 31 connecting plates, 311 locating convex blocks, 312T type groove, 4 second V-blocks, 41T type slide block, 42 glands, 421 second cavitys, 422 second trip bolts, 5 screw rods, 51 annular flange flange, 52 turning handles, 53 traveling nuts, a upper flange, b lower flange, c punching bolt.
Detailed description of the invention
As shown in Figures 1 to 5, it is a kind of for ensureing the gripping mechanism that punching bolt two ends extension elongation is equal that the present invention provides, and comprises the magnetic base 1 of band, and be provided with axial arranged through hole 12.
Base 1 is vertically installed with housing 2, housing 2 inside is provided with the first cavity 24 communicated with through hole 12, two Side symmetrical that housing 2 is relative are provided with the first slotted eye 21 and the second slotted eye 22 communicated with the first cavity 24, housing 2 outer surface of the first slotted eye 21 side is provided with scale 23, in specific embodiment, as shown in Figure 2, zero groove of scale 23 is concordant with the bottom surface of base 1, in concrete use, when base 1 contacts with lower flange, thus ensure that zero groove of scale 23 originates in lower flange end face.
As shown in Figures 4 to 6, the first V-block 3 and the second V-block 4 that opening is relative is provided with in the first cavity 24.First V-block 3 top is provided with connecting plate 31, in specific embodiment, as shown in Figure 5, connecting plate 31 and the first V-block 3 arrange as a whole, and certainly, both can also be arranged to split type, now, screw can be utilized to be fixedly connected on the first V-block 3 by connecting plate 31.
The first above-mentioned V-block 3 entirety is parts.
The second above-mentioned V-block 4 entirety is parts.
As shown in Figure 5, connecting plate 31 is provided with near the first slotted eye 21 side the locating convex block 311 stretching out the first slotted eye 21, locating convex block 311 lower surface is concordant with the first V-block 3 top, like this when punching bolt contacts with connecting plate 31, can according to the height bottom place, locating convex block 311 lower end graduation position instruction punching bolt end head to base 1.
As shown in figure 5 and figure 7, connecting plate 31 is provided with lateral arrangement T-slot 312, second V-block 4 top near the second slotted eye 22 side is provided with the T-shaped slide block 41 adapted with T-slot 312, that is, carry out linear slide between connecting plate 31 with the second V-block 4 and coordinate.Second V-block 4 is near the second slotted eye 22 side, and be provided with and stretch out the second slotted eye 22 and the screw rod 5 outside screw rod 5, second slotted eye 22 of the second V-block 4 rotation can be provided with fastening nut 53, screw rod 5 free end is provided with turning handle 52.
In specific embodiment, as shown in Figure 5, second V-block 4 is provided with the second cavity 421 near the second slotted eye 22 side, screw rod 5 is provided with annular flange flange 51, this annular flange flange 51 to be in the second cavity in 421, and screw rod 5 utilizes gland 42 by the second trip bolt 422 or adopts the mode of welding to be fixedly connected on the second V-block 4.Like this when rotating screw bolt 5, the second V-block 4 can be promoted move towards the direction of the first V-block 3, thus punching bolt can be clamped, now traveling nut 53 and housing 2 close contact, utilize the friction between them that the first V-block 3 and the second V-block 4 are fixed on desired location.
Further, base 1 has magnetic, in specific embodiment, as shown in Figure 4, is provided with some counterbores bottom base 1, utilizes the first trip bolt 111 to be fixedly installed some kicker magnets 11 in counterbore, and certainly, base 1 can whole installation be also kicker magnet.
Like this for the pipeline of ferrous material, directly base can be adsorbed on lower flange, thus not need to assist it with hand, reduce operating procedure; And in extensive installation, multiple described gripping mechanism can be used, the operation of punching Bolt to position and nut screwing clamping separately being carried out, multiple workmen's separate operation, effectively can improve construction speed when ensureing installation quality.
Utilize described gripping mechanism to ensure the localization method that punching bolt two ends extension elongation is equal, its concrete steps mainly contain:
Step one, select the punching bolt of same length specification, and calculate according to installation requirement the length that punching bolt stretches out lower flange (b);
Step 2, inserted the lower end of punching bolt by gripping mechanism base 1, promote the vertically movement in the first cavity 21 of the first V-block 3, until locating convex block 311 slides into suitable scale, punching bolt steps up by rotating screw bolt 5;
Step 3, the punching bolt that clamped by gripping mechanism insert the bolt hole on lower flange (b) and are adjacent to the base of this clamping device and lower flange (b);
The nut of step 4, rotation punching bolt (c) external part is to being adjacent to upper flange (a), rotating screw bolt 5, unclamp the first V-block 3 and the second V-block 4, remove described clamping device, after rotating the nut of punching bolt (c) lower end, by two nut screwing clampings, now, the length that flange is stretched out at punching bolt (c) two ends is identical;
Step 5, repetition step 3 and step 4, until complete the fastening of whole ring flange.
The above has made detailed description to the preferred embodiment of the present invention and embodiment by reference to the accompanying drawings; but the present invention is not limited to the above-described embodiment and examples; for those skilled in the art; without departing from the inventive concept of the premise; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (6)
1., for ensureing the gripping mechanism that punching bolt two ends extension elongation is equal, it is characterized in that, comprise,
With the base (1) of magnetic, and be provided with axial arranged through hole (12), be vertically installed in the housing (2) on described base (1), described housing (2) inside is provided with the first cavity (24) communicated with described through hole (12), two Side symmetrical that described housing (2) is relative are provided with the first slotted eye (21) and the second slotted eye (22) that communicate with described first cavity (24), housing (2) surface of described first slotted eye (21) side is provided with scale (23), zero groove of described scale (23) is concordant with the bottom surface of described base (1), relative the first V-block (3) of opening and the second V-block (4) is provided with in described first cavity (24),
Described first V-block (3) top is provided with connecting plate (31), the locating convex block (311) stretching out described first slotted eye (21) is provided with on the described connecting plate (31) of the first slotted eye (21) side, described locating convex block (311) lower surface is concordant with described first V-block (3) top, the T-slot (312) of lateral arrangement is provided with on the described connecting plate (31) of the second slotted eye (22) side
Described second V-block (4) top is provided with the T-shaped slide block (41) corresponding with described T-slot (312), be provided with on described second V-block (4) of the second slotted eye (22) side and stretch out described second slotted eye (22) and the screw rod (5) that can rotate along described first V-block (3), described screw rod (5) has traveling nut (53) in described second slotted eye (22) arranged outside, and described screw rod (5) free end is provided with turning handle (52).
2. according to claim 1 for ensureing the gripping mechanism that punching bolt two ends extension elongation is equal, it is characterized in that, the second cavity (421) is provided with on described second V-block (4) of the second slotted eye (22) side, described screw rod (5) is provided with annular flange flange (51), described annular flange flange (51) is in the second cavity (421), and described screw rod (5) utilizes gland (42) to be fixedly connected on described second V-block (4).
3. according to claim 2ly it is characterized in that for ensureing the gripping mechanism that punching bolt two ends extension elongation is equal, described gland (42) is connected and fixed by welding or screw and connects on described second V-block (4).
4. according to any one of claim 1 to 3 for ensureing the gripping mechanism that punching bolt two ends extension elongation is equal, it is characterized in that, described base (1) bottom is provided with some counterbores, utilizes the first trip bolt (111) to be fixedly installed some kicker magnets (11) in described counterbore.
5. according to any one of claim 1 to 3ly it is characterized in that for ensureing the gripping mechanism that punching bolt two ends extension elongation is equal, described base (1) entirety is kicker magnet.
6., for ensureing the localization method that punching bolt two ends extension elongation is equal, it is characterized in that,
Step one, select the punching bolt of same length specification, and calculate according to installation requirement the length that punching bolt stretches out lower flange (b);
Gripping mechanism in step 2, preparation claim 1 to 5 described in any one, the lower end of described punching bolt by base (1) is inserted, promote the first V-block (3) mobile in the first cavity (21), until locating convex block (311) slides into suitable scale, punching bolt clamps by rotating screw bolt (5);
Step 3, the punching bolt clamped by described gripping mechanism insert in the bolt hole on lower flange (b) and the base of described clamping device and lower flange (b) are adjacent to;
The nut of step 4, rotation punching bolt (c) external part is to being adjacent to upper flange (a), rotating screw bolt (5), unclamp the first V-block (3) and the second V-block (4), remove described clamping device, after rotating the nut of punching bolt (c) lower end, by two nut screwing clampings, now, the length that flange is stretched out at punching bolt (c) two ends is identical;
Step 5, repetition step 3 and step 4, until complete the fastening of whole ring flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510123080.4A CN104723092B (en) | 2015-03-20 | 2015-03-20 | For ensureing the equal gripping mechanism of punching bolt two ends extension elongation and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510123080.4A CN104723092B (en) | 2015-03-20 | 2015-03-20 | For ensureing the equal gripping mechanism of punching bolt two ends extension elongation and method |
Publications (2)
| Publication Number | Publication Date |
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| CN104723092A true CN104723092A (en) | 2015-06-24 |
| CN104723092B CN104723092B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510123080.4A Active CN104723092B (en) | 2015-03-20 | 2015-03-20 | For ensureing the equal gripping mechanism of punching bolt two ends extension elongation and method |
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| CN (1) | CN104723092B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124215A (en) * | 2016-07-27 | 2016-11-16 | 奇瑞汽车股份有限公司 | A kind of can the engine exhaust pipe holder of regulation quick, multidirectional |
| CN110253272A (en) * | 2019-07-01 | 2019-09-20 | 友创工业股份有限公司 | The turn of the screw system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4454790A (en) * | 1982-04-30 | 1984-06-19 | Westinghouse Electric Corp. | Bolt stretch measurement device |
| US6105471A (en) * | 1998-01-12 | 2000-08-22 | Mitsubishi Heavy Industries, Ltd. | Bolt attaching and detaching device |
| JP2001225231A (en) * | 2000-02-10 | 2001-08-21 | Toshiba Plant Kensetsu Co Ltd | Clamping method and device for flange |
| CN102605964A (en) * | 2012-04-06 | 2012-07-25 | 中国十七冶集团有限公司 | Separately mounted grille on elevator shaft opening and construction method of separately mounted grille |
| CN203738689U (en) * | 2014-03-24 | 2014-07-30 | 中国能源建设集团安徽电力建设第一工程公司 | Device used for measuring extension amount of bolt |
| CN204487128U (en) * | 2015-03-20 | 2015-07-22 | 国家电网公司 | For ensureing the gripping mechanism that punching bolt two ends extension elongation is equal |
-
2015
- 2015-03-20 CN CN201510123080.4A patent/CN104723092B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4454790A (en) * | 1982-04-30 | 1984-06-19 | Westinghouse Electric Corp. | Bolt stretch measurement device |
| US6105471A (en) * | 1998-01-12 | 2000-08-22 | Mitsubishi Heavy Industries, Ltd. | Bolt attaching and detaching device |
| JP2001225231A (en) * | 2000-02-10 | 2001-08-21 | Toshiba Plant Kensetsu Co Ltd | Clamping method and device for flange |
| CN102605964A (en) * | 2012-04-06 | 2012-07-25 | 中国十七冶集团有限公司 | Separately mounted grille on elevator shaft opening and construction method of separately mounted grille |
| CN203738689U (en) * | 2014-03-24 | 2014-07-30 | 中国能源建设集团安徽电力建设第一工程公司 | Device used for measuring extension amount of bolt |
| CN204487128U (en) * | 2015-03-20 | 2015-07-22 | 国家电网公司 | For ensureing the gripping mechanism that punching bolt two ends extension elongation is equal |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124215A (en) * | 2016-07-27 | 2016-11-16 | 奇瑞汽车股份有限公司 | A kind of can the engine exhaust pipe holder of regulation quick, multidirectional |
| CN110253272A (en) * | 2019-07-01 | 2019-09-20 | 友创工业股份有限公司 | The turn of the screw system |
| CN110253272B (en) * | 2019-07-01 | 2021-07-13 | 友创工业股份有限公司 | Screw screwing system |
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| Publication number | Publication date |
|---|---|
| CN104723092B (en) | 2017-03-08 |
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