CN214081076U - Clamp for replacing fastener under pressure - Google Patents
Clamp for replacing fastener under pressure Download PDFInfo
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- CN214081076U CN214081076U CN202023014839.0U CN202023014839U CN214081076U CN 214081076 U CN214081076 U CN 214081076U CN 202023014839 U CN202023014839 U CN 202023014839U CN 214081076 U CN214081076 U CN 214081076U
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- clamp
- mounting part
- replacing
- under pressure
- flange
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Abstract
The utility model discloses a clamp for replacing a fastener under pressure, which comprises a clamping plate and a fastening bolt; the splint includes: a butting part; one end of the connecting part is connected with one end of the abutting part; one end of the mounting part is connected with the other end of the connecting part, and the other end of the mounting part is concave; the mounting part and the abutting part are arranged in parallel, and the length of the mounting part is greater than that of the abutting part; the mounting part is provided with an internal thread matched with the fastening bolt; the leaning part and the mounting part are magnets. The utility model can not only realize the replacement of hidden danger bolts on the flange under the condition that the system or related pipelines are not stopped, but also avoid the additional energy and material consumption caused by the system stopping and then starting; moreover, after the preliminary fixing step is finished, the maintenance personnel can leave the clamp with both hands, so that the subsequent clamping step is convenient to operate; meanwhile, the concave shape of the clamp is in adsorption connection with the pipeline, so that the relative rotation movement between the clamp and the flange/the pipeline in the clamping step can be reduced.
Description
Technical Field
The utility model relates to a pipeline overhauls the field, especially relates to an anchor clamps of fastener are changed in area pressure.
Background
Flange connections are the most common and most prevalent means of connecting pipes to equipment. The flange connection has the advantages of convenient disassembly, high connection strength, good tightness, capability of bearing larger pressure, wide range of use sizes and the like. Generally, in an industrial pipeline, especially a pipeline for conveying corrosive production materials, a bolt which is a flange connecting part of the pipeline often has the conditions of strength reduction, serious corrosion and even breakage, and thus potential safety hazards are hidden in production and burying.
Therefore, in view of the above problems, it is an important technical problem to be solved in the art to provide a clamp for replacing a fastener under pressure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide an anchor clamps of fastener is changed in area pressure, solve prior art and install inconvenient problem.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a clamp for replacing fasteners under pressure, which comprises a clamping plate and a fastening bolt; the splint includes:
a butting part;
one end of the connecting part is connected with one end of the abutting part;
one end of the mounting part is connected with the other end of the connecting part, and the other end of the mounting part is concave; the mounting part and the abutting part are arranged in parallel, and the length of the mounting part is greater than that of the abutting part; the mounting part is provided with an internal thread matched with the fastening bolt;
the top leaning part and the mounting part are magnets.
Further, the abutting portion, the connecting portion and the mounting portion are integrally formed.
Further, the connecting part is a magnet.
Further, the connecting portion is perpendicular to the abutting portion and the mounting portion, respectively.
Further, the internal threads are provided in three.
Further, the inner side of the abutting portion is used for abutting against one side of the flange, and the fastening bolt is used for fixing the other side of the rear abutting flange through the internal thread of the mounting portion.
Further, the concave end of the mounting portion is used for connecting a pipeline where the flange is located.
Further, the jig further includes:
and the torque wrench is used for screwing or disassembling the fastening bolt.
Further, the torque wrench is a digital torque wrench or a sliding torque wrench.
Further, the concave shape is an arc, and the size meets the requirement of an outer diameter arc of the pipeline.
The utility model has the advantages that:
(1) in an exemplary embodiment of the utility model, not only can the hidden danger bolt on the flange be replaced under the condition that the system or the related pipeline is not stopped, the potential safety hazard is eliminated, and the additional energy material consumption caused by the system stopping and then opening is avoided; moreover, after the preliminary fixing step is finished, the maintenance personnel can leave the clamp with both hands, so that the subsequent clamping step is convenient to operate; meanwhile, the concave shape of the clamp is in adsorption connection with the pipeline, so that the relative rotation movement between the clamp and the flange/the pipeline in the clamping step can be reduced.
(2) In another exemplary embodiment of the present invention, the abutting portion, the connecting portion and the mounting portion are integrally formed, the connecting portion is a magnet, and the clamp can be made of a complete magnet.
(3) In the utility model discloses a still another exemplary embodiment, adopt a plurality of internal threads, can provide a plurality of mounted positions, solve the flange correspondence among the prior art and have different shapes, consequently if only adopt an internal thread fixed position to install, probably make fastening screw contradict the position unevenness of flange and make the problem of fixing unstably.
(4) In another exemplary embodiment of the present invention, the torque wrench is utilized to realize the clamping step and the replacing step, so as to facilitate the judgment of the fastening force of the hidden danger bolt to be replaced in advance.
Drawings
Fig. 1 is a schematic horizontal view of a structure disclosed in an exemplary embodiment of the present invention;
fig. 2 is a schematic perspective view of a structure disclosed in an exemplary embodiment of the present invention;
FIG. 3 is a schematic diagram of a preliminary fixing step of a usage pattern of a structure disclosed in an exemplary embodiment of the present invention;
FIG. 4 is a schematic diagram of the clamping steps for the manner of use of the disclosed structure in accordance with an exemplary embodiment of the present invention;
in the figure, 1-clamp plate, 11-abutting part, 12-connecting part, 13-mounting part, 131-concave part, 132-internal thread, 2-fastening bolt, 3-flange and 4-pipeline.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are the directions or positional relationships indicated on the basis of the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
In the prior art, for industrial pipelines, especially for pipelines conveying corrosive production materials, the bolts of flange connection parts of the pipelines often have the conditions of strength reduction, serious corrosion and even breakage, which is a potential safety hazard under production burying, the existing main solution is to find the potential safety hazard through potential safety management investigation of production, and replace the bolts after the system or related pipelines are stopped and the materials are replaced, the method consumes manpower, and the additional consumption of energy and materials can be caused by the condition that most industrial production requires the system to be stopped and then started due to process requirements.
Referring to fig. 1 and 2, fig. 1 and 2 show a horizontal schematic view and a perspective view of a clamp for replacing a fastener under pressure according to an exemplary embodiment of the present invention, the clamp includes a clamping plate 1 and a fastening bolt 2; the splint 1 includes:
an abutting portion 11;
a connecting part 12, one end of the connecting part 12 is connected with one end of the leaning part 11;
a mounting portion 13, one end of the mounting portion 13 being connected to the other end of the connecting portion 12, the other end of the mounting portion 13 having a concave shape 131; the mounting part 13 and the abutting part 11 are arranged in parallel, and the length of the mounting part 13 is greater than that of the abutting part 11; the mounting part 13 is provided with an internal thread 132 matched with the fastening bolt 2;
the abutting portion 11 and the mounting portion 13 are magnets.
Specifically, in this exemplary embodiment, a preliminary fixing step, a clamping step, and a replacing step are included:
(1) preliminary fixing step
When the corresponding hidden trouble bolt on the pipeline 4 of the flange 3 with the hidden trouble bolt needs to be replaced, firstly, the concave 131 of the mounting part 13 of the clamp is attracted on the pipeline 4 through the suction force of the magnet, and the concave 131 is similar to the structure of the pipeline 4, so that the initial fixation can be better carried out; at the same time, the abutting part 11 is attracted to one side of the flange 3 by the attraction of the magnet, and the initial fixing of the jig is completed.
As shown in figure 3, two parts of the whole clamp are adsorbed with the flange 3/the pipeline 4, so that a maintenance worker can use two hands to perform subsequent work, and the use is convenient.
(2) Clamping step
After the preliminary fixing step is completed, the fastening bolt 2 is mounted on the internal thread 132, and then the fastening bolt 2 is tightened, as shown in fig. 4, the fastening bolt 2 is abutted against the other side of the flange 3, so as to achieve the bolt fastening force for replacing the hidden danger, and the step is completed.
(3) Replacement step
After the clamping step is completed, removing the hidden trouble bolt, replacing a new bolt, and tightening the new bolt; and then, the fastening bolt 2 on the clamp is removed, and the operation is finished.
In conclusion, by adopting the mode of the exemplary embodiment, the hidden danger bolts on the flange 3 can be replaced under the condition that the system or related pipelines are not stopped, the potential safety hazard is eliminated, and the extra energy and material consumption caused by stopping and then starting the system is avoided; moreover, after the preliminary fixing step is finished, the maintenance personnel can leave the clamp with both hands, so that the subsequent clamping step is convenient to operate; at the same time, since the recesses 131 of the clamp are in an adsorbing connection with the pipe 4, the relative rotational movement of the clamp itself and the flange 3/pipe 4 during the clamping step can be reduced.
More preferably, in an exemplary embodiment, the abutting portion 11, the connecting portion 12 and the mounting portion 13 are integrally formed. The clamp body is a "concave" shape (as shown in figures 1 and 2).
More preferably, in an exemplary embodiment, the connecting portion 12 is a magnet.
Thus, based on the two exemplary embodiments described above, the clamp can be made from one complete magnet. As the fastening bolt 2, a fastening bolt 2 available in the market can be used without separate processing.
More preferably, in an exemplary embodiment, as shown in fig. 1 and 2, the connecting portion 12 is perpendicular to the abutting portion 11 and the mounting portion 13, respectively.
More preferably, in an exemplary embodiment, the internal threads 132 are provided in three.
Specifically, in the exemplary embodiment, since the flange 3 corresponds to different shapes, if the mounting is performed with only one fixing position of the internal thread 132, there is a possibility that the position where the fastening screw 2 abuts against the flange 3 is uneven, making the fixing unstable. Thus, in the exemplary embodiment, multiple mounting locations may be provided with multiple internal threads 132.
More preferably, in an exemplary embodiment, the inner side of the abutting portion 11 is used for abutting against one side of the flange 3, and the fastening bolt 2 is used for fixing the other side of the rear abutting flange 3 by the internal thread 132 of the mounting portion 13. Preferably, in an exemplary embodiment, the concave 131 end of the mounting portion 13 is used to connect a pipe where the flange 3 is located.
More preferably, in an exemplary embodiment, the jig further comprises:
a torque wrench for tightening or removing the fastening bolt 2. (not shown in the figure)
More preferably, in an exemplary embodiment, the torque wrench is a digital type torque wrench or a slip type torque wrench.
Corresponding to the steps, the torque wrench is mainly used for the clamping step and the replacing step, and the fastening force of the hidden danger bolt is conveniently judged to be replaced in advance. The design and fastening requirements of the flange are met for jacking bolts on the tool, and the safe pressing condition of the flange is met.
More preferably, in an exemplary embodiment, the concavity is a circular arc. Specifically, the structure of the circular arc is similar to that of the pipeline 4, and the size of the circular arc meets the requirement of the circular arc of the outer diameter of the pipeline 4.
It is to be understood that the above-described embodiments are illustrative only and not restrictive of the broad invention, and that various other modifications and changes in light thereof will be suggested to persons skilled in the art based upon the above teachings. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a clamp for fastener is changed in area pressure which characterized in that: comprises a clamping plate and a fastening bolt; the splint includes:
a butting part;
one end of the connecting part is connected with one end of the abutting part;
one end of the mounting part is connected with the other end of the connecting part, and the other end of the mounting part is concave; the mounting part and the abutting part are arranged in parallel, and the length of the mounting part is greater than that of the abutting part; the mounting part is provided with an internal thread matched with the fastening bolt;
the top leaning part and the mounting part are magnets.
2. The clamp for replacing the fastener under pressure according to claim 1, wherein: the top leaning part, the connecting part and the mounting part are integrally formed.
3. The clamp for replacing the fastener under pressure according to claim 2, wherein: the connecting part is a magnet.
4. The clamp for replacing the fastener under pressure according to claim 1, wherein: the connecting part is respectively perpendicular to the abutting part and the mounting part.
5. The clamp for replacing the fastener under pressure according to claim 1, wherein: the internal thread is provided with three.
6. The clamp for replacing the fastener under pressure according to claim 1, wherein: the inboard of portion of leaning on is used for leaning on one side of flange, fastening bolt is used for leaning on the opposite side of flange after the internal thread through the installation department is fixed.
7. The clamp for replacing the fastener under pressure according to claim 6, wherein: the concave end of the mounting part is used for connecting a pipeline where the flange is located.
8. The clamp for replacing the fastener under pressure according to claim 1 or 6, wherein: the jig further includes:
and the torque wrench is used for screwing or disassembling the fastening bolt.
9. The clamp for replacing the fastener under pressure according to claim 8, wherein: the torque wrench is a digital display type torque wrench or a sliding type torque wrench.
10. The clamp for replacing the fastener under pressure according to claim 7, wherein: the concave shape is an arc, and the size meets the requirement of an outer diameter arc of the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023014839.0U CN214081076U (en) | 2020-12-15 | 2020-12-15 | Clamp for replacing fastener under pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023014839.0U CN214081076U (en) | 2020-12-15 | 2020-12-15 | Clamp for replacing fastener under pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214081076U true CN214081076U (en) | 2021-08-31 |
Family
ID=77427654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023014839.0U Active CN214081076U (en) | 2020-12-15 | 2020-12-15 | Clamp for replacing fastener under pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214081076U (en) |
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2020
- 2020-12-15 CN CN202023014839.0U patent/CN214081076U/en active Active
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