CN209850826U - Tensile compression frock and tensile compression mounting system of large displacement - Google Patents
Tensile compression frock and tensile compression mounting system of large displacement Download PDFInfo
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- CN209850826U CN209850826U CN201920459077.3U CN201920459077U CN209850826U CN 209850826 U CN209850826 U CN 209850826U CN 201920459077 U CN201920459077 U CN 201920459077U CN 209850826 U CN209850826 U CN 209850826U
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Abstract
The application relates to the technical field of expansion joint stretching and compressing installation, in particular to a stretching and compressing tool and a large-displacement stretching and compressing installation system, wherein the stretching and compressing tool comprises a first fixing clamp, a second fixing clamp and a driving device; a first accommodating space is formed between the two first vertical plates and the first bottom plate of the first fixing clamp and used for installing a first flange of the expansion joint; a second accommodating space is formed between the two second vertical plates and the second bottom plate of the second fixing clamp and used for installing a second flange of the expansion joint; it can be seen that the expansion joint can be installed on the corresponding first flange and the corresponding second flange through the first fixing clamp and the second fixing clamp, the driving device can drive the second flange to move relative to the first flange, and then stretching or compressing of the corrugated pipe between the two flanges is realized, so that quick and stable loading of the expansion joint is realized, and especially the loading operation of single-side stretching or compressing can be realized, and the expansion joint is simple and convenient, and is easy to install, disassemble and adjust.
Description
Technical Field
The application relates to the technical field of expansion joint stretching and compressing installation, in particular to a stretching and compressing tool and a large-displacement stretching and compressing installation system.
Background
Currently, a gas-insulated metal-enclosed transmission line (GIL) is a transmission line that transmits electric energy by using a conductive rod enclosed in a grounded metal case and is insulated by using pressure gas. The main components include: high voltage conductor and ground shell, insulator, sliding contact subassembly and expansion joint (metal compensator). The expansion joint is mainly used for installation adjustment, absorption of relative displacement between bases, absorption of pipeline change displacement caused by expansion with heat, contraction with cold and the like, and is a very important part in the GIL. The pipe gallery construction belongs to one of gas insulated metal closed transmission line construction, and the present pipe gallery space is mostly narrow and small limited, therefore the expansion joint of being not convenient for and the big displacement loading installation of its unit pipeline.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a tensile compression frock and tensile compression mounting system of big displacement to solve in the limited piping lane in space, the expansion joint of being not convenient for and the technical problem of the big displacement loading installation of unit pipeline.
The application provides a tensile compression frock includes: the device comprises a first fixing clamp, a second fixing clamp and a driving device; the first fixing clamp comprises a first bottom plate and two first vertical plates; the two first vertical plates are arranged on the first bottom plate at intervals, a first accommodating space is formed between the two first vertical plates and the first bottom plate, and the first accommodating space is used for installing a first flange of an expansion joint; the second fixing clamp comprises a second bottom plate and two second vertical plates; the two second vertical plates are arranged on the second bottom plate at intervals, a second accommodating space is formed between the two second vertical plates and the second bottom plate, and the second accommodating space is used for installing a second flange of the expansion joint; the driving device is arranged on the first base plate, the output end of the driving device is connected with the second base plate, and the driving device is used for adjusting the distance between the first fixing clamp and the second fixing clamp and stretching or compressing expansion joints arranged in the first fixing clamp and the second fixing clamp.
In the above technical solution, further, a first hanging ring is disposed on the first vertical plate.
In any one of the above technical solutions, further, the tension-compression tool further includes a first fastener, and the first base plate and the first flange are detachably connected through the first fastener.
In any of the above technical solutions, further, a plurality of first rib plates are arranged between the first vertical plate and the first bottom plate, and the plurality of first rib plates are sequentially arranged along the length direction of the first bottom plate.
In any one of the above technical solutions, further, a second hanging ring is disposed on the second vertical plate.
In any one of the above technical solutions, further, the tensile compression tool further includes a second fastener, and the second bottom plate and the second flange are detachably connected through the second fastener.
In any of the above technical solutions, further, a plurality of second rib plates are arranged between the second vertical plate and the second bottom plate, and the plurality of second rib plates are sequentially arranged along the length direction of the second bottom plate.
In any of the above technical solutions, further, grooves are formed in the first vertical plate and the second vertical plate, and the grooves are used for avoiding the pull rod of the expansion joint.
In any of the above technical solutions, further, the driving device is a servo electric cylinder.
The application also provides a large-displacement stretching, compressing and installing system which comprises the stretching and compressing tool according to any one of the technical schemes, so that the device has all the beneficial technical effects, and is not repeated.
The application also provides a large-displacement stretching and compressing method of the expansion joint, which comprises the following steps:
selecting a corrugated pipe to be loaded, wherein a first flange and a second flange are respectively arranged at two ends of the corrugated pipe to be loaded, the first flange is connected with the second flange through a pull rod, and the pull rod is respectively connected with the first flange and the second flange through fastening nuts; loosening a fastening nut which is used for connecting part of the pull rod with the second flange;
clamping a first fixing clamp of a stretching and compressing tool on the first flange, and clamping a second fixing clamp of the stretching and compressing tool on the second flange;
loosening the fastening nuts connected with the other pull rods and the second flange;
starting a driving device of the stretching and compressing tool, wherein the driving device drives a second fixing clamp to move relative to a first fixing clamp, and stretching or compressing operation of the corrugated pipe is completed;
the fastening nut is used for connecting the pull rod of the screwing part with the second flange;
detaching the first fixing jig from the first flange and detaching the second fixing jig from the second flange;
and screwing the other fastening nuts for connecting the pull rod with the second flange to fixedly connect the pull rod with the second flange.
Compared with the prior art, the beneficial effect of this application is:
when the stretching and compressing tool is used, the first flange of the expansion joint is inserted into the first accommodating space, the second flange of the expansion joint is inserted into the second accommodating space, the first fixing clamp is installed on the first flange, the second fixing clamp is installed on the second flange, then the driving device is started, the output end of the driving device drives the second fixing clamp to move relative to the first fixing clamp, namely the second flange moves relative to the first flange, so that a corrugated pipe between the two flanges is stretched or compressed, and the stretching or compressing loading of the corrugated pipe is realized; when the large-displacement stretching or compression installation is completed, the first flange can be moved out of the first accommodating space, and the second flange can be moved out of the second accommodating space.
It is thus clear that the tensile compression frock that this application provided can install on corresponding first flange and second flange through first mounting fixture and second mounting fixture, drive arrangement can drive the relative first flange of second flange and remove, and then realize tensile or compression to the bellows between two flanges, and then realized the loading to the expansion joint, especially can realize the loading operation of unilateral tensile or compression, and is simple, convenient, and easily in limited space, realize quick installation, dismantle and the adjustment in later stage.
The application provides a large-displacement stretching and compressing method for an expansion joint, which is simple, convenient and rapid, and can realize the operation of unilateral stretching or compressing by installing the stretching and compressing tool on the expansion joint of a pipeline to be installed.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an assembly of a tension-compression tool and an expansion joint provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of the assembly of the tension-compression tool and the expansion joint provided in the embodiment of the present application;
fig. 3 is a schematic structural diagram of the assembly of the tension-compression tool and the expansion joint according to the embodiment of the present application;
FIG. 4 is a flow chart of a method for large displacement tension compression of an expansion joint according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an expansion joint of a pipeline to be installed according to an embodiment of the present application.
Reference numerals:
1-a first fixing clamp, 101-a first bottom plate, 102-a first vertical plate, 1021-a groove, 103-a first lifting ring, 104-a first fastener, 105-a first rib plate, 2-a second fixing clamp, 201-a second bottom plate, 202-a second vertical plate, 203-a second lifting ring, 204-a second fastener, 3-a second rib plate, 4-a driving device, 5, 6-an expansion joint, 501-a corrugated pipe, 601-a first corrugated pipe, 602-a second corrugated pipe, 603-a third corrugated pipe, 502, 604-a first flange, 503, 605-a second flange, 606-a third flange, 607-a fourth flange, 504, 608, 609, 610, 611, 612, 613, 614, 615-a pull rod.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.
The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
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 application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.
The following describes a large displacement stretch-compression method of a stretch-compression tool, a large displacement stretch-compression mounting system, and an expansion joint according to some embodiments of the present application with reference to fig. 1 to 5.
Referring to fig. 1 to 3, an embodiment of the present application provides a tension-compression tool, including: a first fixing clamp 1, a second fixing clamp 2 and a driving device 4; the first fixing clamp 1 comprises a first bottom plate 101 and two first vertical plates 102; the two first vertical plates 102 are arranged on the first base plate 101 at intervals, and a first accommodating space is formed between the two first vertical plates 102 and the first base plate 101 and used for installing a first flange 502 of the expansion joint 5; the second fixing clamp 2 comprises a second bottom plate 201 and two second vertical plates 202; the two second vertical plates 202 are arranged on the second bottom plate 201 at intervals, and a second accommodating space is formed between the two second vertical plates 202 and the second bottom plate 201, and the second accommodating space is used for installing a second flange 503 of the expansion joint 5; the driving device 4 is disposed on the first base plate 101, an output end of the driving device 4 is connected to the second base plate 201, and the driving device 4 is used for adjusting a distance between the first fixing jig 1 and the second fixing jig 2 for stretching or compressing the expansion joint 5 disposed in the first fixing jig 1 and the second fixing jig 2.
When the tension-compression tool is used, the first flange 502 of the expansion joint 5 is inserted into the first accommodating space, the second flange 503 of the expansion joint 5 is inserted into the second accommodating space, the first fixing clamp 1 is installed on the first flange 502, the second fixing clamp 2 is installed on the second flange 503, then the driving device 4 is started, the output end of the driving device 4 drives the second fixing clamp 2 to move relative to the first fixing clamp 1, namely the second flange 503 moves relative to the first flange 502, so that the corrugated pipe 501 between the two flanges is stretched or compressed, and the stretching or compression loading of the corrugated pipe 501 is realized; when the large displacement tension or compression mounting is completed, the first flange 502 can be removed from the first accommodation space and the second flange 503 can be removed from the second accommodation space.
It can be seen that the tensile compression frock that this application provided can install on corresponding first flange 502 and second flange 503 through first mounting fixture 1 and second mounting fixture 2, drive arrangement 4 can drive the relative first flange 502 removal of second flange 503, and then realize tensile or compression to bellows 501 between two flanges, and then realized the loading to expansion joint 5, especially can realize the loading operation of unilateral tensile or compression, and is simple, and convenient, and easily in limited space, realize quick installation, dismantle and the adjustment in later stage. This tensile compression frock especially can use in sutong GIL pipe gallery engineering, and its big displacement loading of being convenient for is installed in narrow and small pipe gallery space, certainly, not only is limited to and uses in sutong GIL pipe gallery engineering, still can use in other fields and environment.
Optionally, the first flange 502 is clamped in the first receiving space, and the second flange 503 is clamped in the second receiving space, but not limited thereto, the first flange 502 and the first fixing clamp 1 may be connected by a fastener, such as a screw or a bolt, and the second flange 503 and the second fixing clamp 2 may be connected by a fastener, such as a screw or a bolt, of course, the two mounting and fastening manners are not limited thereto.
Wherein, optionally, the driving device 4 is detachably connected with the bottom plate of the first fixing clamp 1, and the output end of the driving device 4 is detachably connected with the second bottom plate 201 of the second fixing clamp 2. During specific use, after the first fixing clamp 1 and the second fixing clamp 2 are installed on the corresponding flanges, the driving device 4 is installed on the first bottom plate 101 of the first fixing clamp 1, and then the output end of the driving device 4 is connected with the second bottom plate 201 of the second fixing clamp 2, of course, the tensile compression tool is not limited to this, but the driving device 4 can be installed on the first bottom plate 101 first and the output end of the driving device 4 is connected with the second bottom plate 201 before the tensile compression tool is used, and during pipeline installation, the first fixing clamp 1, the second fixing clamp 2 and the driving device 4 are directly installed as a whole.
In one embodiment of the present application, as shown in fig. 1 and 2, a first hanging ring 103 is preferably disposed on the first vertical plate 102.
In this embodiment, the first vertical plate 102 is provided with the first hanging ring 103, the rope can be inserted into the first hanging ring 103, and then the rope is connected to the crane, so as to realize hoisting of the first fixing clamp 1, thereby avoiding manual lifting, saving time and labor, and reducing working hours.
In an embodiment of the present application, preferably, as shown in fig. 2, the tension-compression tool further includes a first fastening member 104, and the first base plate 101 is detachably connected to the first flange 502 by the first fastening member 104.
In this embodiment, the first base plate 101 and the first flange 502 are detachably connected by the first fastening member 104, thereby facilitating assembly and disassembly.
Optionally, the number of the first fastening members 104 is multiple, and the first fastening members may be sequentially arranged along the length direction of the first base plate 101, which is not limited to six in the drawing, and may be selected according to actual needs.
In an embodiment of the present application, preferably, as shown in fig. 1, a plurality of first rib plates 105 are disposed between the first vertical plate 102 and the first bottom plate 101, and the plurality of first rib plates 105 are sequentially arranged along a length direction of the first bottom plate 101.
In this embodiment, the plurality of first rib plates 105 function to reinforce the overall strength of the first fixing jig 1, so that the overall strength is higher and less likely to be damaged.
In one embodiment of the present application, as shown in fig. 1 and 2, a second hanging ring 203 is preferably disposed on the second vertical plate 202.
In this embodiment, the second vertical plate 202 is provided with the second hanging ring 203, the rope can be inserted into the second hanging ring 203, and then the rope is connected to the crane, so as to realize the hoisting of the second fixing clamp 2, thereby avoiding the manual lifting, saving time and labor, and reducing the working hours.
In an embodiment of the present application, preferably, as shown in fig. 2, the tension-compression tool further includes a second fastening member 204, and the second bottom plate 201 is detachably connected to the second flange 503 through the second fastening member 204.
In this embodiment, the second base plate 201 is detachably connected to the second flange 503 by the second fastening member 204, thereby facilitating assembly and disassembly.
Optionally, the number of the second fastening members 204 is multiple, and the second fastening members may be sequentially arranged along the length direction of the second base plate 201, which is not limited to six in the drawing, and may be selected according to actual needs.
In an embodiment of the present application, preferably, as shown in fig. 1, a plurality of second rib plates 3 are disposed between the second vertical plate 202 and the second bottom plate 201, and the plurality of second rib plates 3 are sequentially arranged along a length direction of the second bottom plate 201.
In this embodiment, the plurality of second rib plates 3 play a role in reinforcing the overall strength of the second fixing jig 2, so that the overall strength is higher and is less likely to be damaged.
In an embodiment of the present application, as shown in fig. 3, preferably, the first vertical plate 102 and the second vertical plate 202 are both provided with a groove 1021, and the groove 1021 is used for avoiding the pull rod 504 of the expansion joint 5.
In this embodiment, the groove 1021 can effectively avoid the pull rod 504, and the pull rod 504 is inserted into the groove 1021, so that when the second flange 503 and the first flange 502 move relatively, the pull rod 504 can also play a certain guiding role. Wherein, the first vertical plate 102 is provided with a groove 1021.
In one embodiment of the present application, the driving means 4 is preferably a servo electric cylinder.
In this embodiment, the driving device 4 is a servo electric cylinder, which is a modular product with a servo motor and a lead screw integrally designed, and converts the rotary motion of the servo motor into linear motion, and simultaneously, the best advantage of the servo motor, namely, precise rotation speed control and precise rotation speed control, namely, the servo electric cylinder outputs linear motion.
The embodiment of the application further provides a large-displacement stretching and compressing installation system which comprises the stretching and compressing tool in any one of the embodiments, so that all the beneficial technical effects of the device are achieved, and the details are omitted.
Referring to fig. 1 to 4, an embodiment of the present application further provides a large displacement tension compression method of an expansion joint, including the following steps:
step 10, selecting a corrugated pipe 501 to be loaded, wherein a first flange 502 and a second flange 503 are respectively arranged at two ends of the corrugated pipe 501 to be loaded, the first flange 502 and the second flange 503 are connected through a pull rod 504, and the pull rod 504 is respectively connected with the first flange 502 and the second flange 503 through fastening nuts; loosening the fastening nut connecting part of the tie rod 504 with the second flange 503;
step 20, clamping a first fixing clamp 1 of the stretching and compressing tool on a first flange 502, and clamping a second fixing clamp 2 of the stretching and compressing tool on a second flange 503;
step 30, loosening fastening nuts connected with the other pull rods 504 and the second flange 503;
step 40, starting a driving device 4 of the stretching and compressing tool, wherein the driving device 4 drives a second fixing clamp 2 to move relative to a first fixing clamp 1, and stretching or compressing the corrugated pipe 501 between a first flange 502 and a second flange 503 is completed;
step 50, screwing a fastening nut for connecting a part of the pull rod 504 with the second flange 503;
step 60, detaching the first fixing clamp 1 from the first flange 502, and detaching the second fixing clamp 2 from the second flange 503;
step 70, tightening fastening nuts for connecting the rest of the pull rods 504 with the second flange 503, and fixedly connecting the pull rods 504 with the second flange 503 to complete the loading of the single-side stretching or compression of the corrugated pipe 501.
The application provides a large displacement stretching and compressing method of an expansion joint, a corrugated pipe 501 needing to be loaded is selected from an expansion joint 5 with a plurality of sections of corrugated pipes 501, a first flange 502 and a second flange 503 are respectively arranged at two ends of the corrugated pipe 501, fastening nuts connected with a part of pull rods 504 and the first flange 502 are unscrewed, a stretching and compressing tool is installed on the first flange 502 and the second flange 503, then fastening nuts connected with the rest of pull rods 504 and the first flange 502 are unscrewed, a driving device 4 is started, the driving device 4 can drive the second flange 503 to move relative to the first flange 502 due to the fact that the fastening nuts are in the unscrewed state, namely the second flange 503 moves away from or close to the first flange 502, single-side stretching or compressing of the corrugated pipe 501 between the two flanges is realized due to the fact that the first flange 502 does not move, and after loading is finished, and then screwing part of the fastening nuts which are unscrewed for the first time to enable the pull rod 504 to be connected with the first flange 502, then disassembling the stretching and compressing tool from the first flange 502 and the second flange 503, and screwing the other fastening nuts which are unscrewed for the second time, so that the pull rod 504 is fixedly connected with the second flange 503, and the one-side stretching or compressing of the corrugated pipe 501 is completed.
Specifically, for example, as shown in fig. 5, when the expansion joint 6 to be loaded includes four corrugated pipes, the four corrugated pipes are respectively a first corrugated pipe 601, a second corrugated pipe 602, and a third corrugated pipe 603 that are sequentially arranged; a first flange 604 is arranged at one end of the first corrugated pipe 601 far away from the second corrugated pipe 602; a second flange 605 is arranged between the first corrugated pipe 601 and the second corrugated pipe 602; a third flange 606 is arranged between the second bellows 602 and the third bellows 603; a fourth flange 607 is arranged at one end of the third corrugated pipe 603 far away from the fourth corrugated pipe; a plurality of pull rods 504, namely a pull rod 608, a pull rod 609, a pull rod 610, a pull rod 611, a pull rod 612, a pull rod 613, a pull rod 614 and a pull rod 615, are connected between the first flange 604 and the third flange 606, the pull rods 504 are connected with the first flange 604 through fastening nuts, the third flange 606 is connected with the pull rods 504 through fastening nuts, and the pull rods 504 pass through the second flange 605; the tie rods 504 are also connected between the second flange 605 and the fourth flange 607, the tie rods 504 are also connected with the second flange 605 through fastening nuts, the tie rods 504 are also connected with the fourth flange 607 through fastening nuts, the tie rods 504 pass through the third flange 606, and the expansion joint 6 is a force balance type expansion joint.
And (3) compression operation: when the expansion joint 5 needs to be compressed and adjusted (the total compression amount is 250mm, two sections of small corrugated pipes, namely the first corrugated pipe 601 and the third corrugated pipe 603 need to be compressed by 125mm respectively), the specific operation steps are as follows:
step 100, loosening the pull rod 608, the pull rod 615, the pull rod 611 and the nut on the inner side of the first flange 604 at the upper end of the pull rod 612, wherein the distance is more than or equal to 125 mm;
200, hoisting a lifting lug through a rope by using a hoisting device, and further hoisting and installing the tension and compression tool; (wherein, the installation space requirement of the stretching and compressing tool is at least 700mm, which comprises a clearance passage required by an operator and a clearance 262.5mm required by the tool)
Step 300, loosening the inner nuts of the pull rod 609, the pull rod 610, the pull rod 613 and the first flange 604 at the upper end part of the pull rod 614 for a distance of more than or equal to 125 mm;
and step 400, starting the stretching and compressing tool to complete the compression of the single section of the small corrugated pipe 501.
500, tightening all nuts on the pull rod 608, the pull rod 615, the pull rod 611 and the pull rod 612 to the first flange 604 at the end part after moving, and fixing the position of the first flange 604;
step 600, disassembling a stretching and compressing tool;
step 700, all nuts on the tie 609, 610, 613, 614 are tightened to the moved end flange, and the third bellows 603 on the other side is compressed in the same manner as above.
Similarly, the stretching operation may be performed only in the opposite direction of the driving device 4. Therefore, the operation is simple and convenient, and the time and the labor are saved.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The utility model provides a tensile compression frock which characterized in that includes: the device comprises a first fixing clamp, a second fixing clamp and a driving device;
the first fixing clamp comprises a first bottom plate and two first vertical plates; the two first vertical plates are arranged on the first bottom plate at intervals, a first accommodating space is formed between the two first vertical plates and the first bottom plate, and the first accommodating space is used for installing a first flange of an expansion joint; the second fixing clamp comprises a second bottom plate and two second vertical plates; the two second vertical plates are arranged on the second bottom plate at intervals, a second accommodating space is formed between the two second vertical plates and the second bottom plate, and the second accommodating space is used for installing a second flange of the expansion joint;
the driving device is arranged on the first base plate, the output end of the driving device is connected with the second base plate, and the driving device is used for adjusting the distance between the first fixing clamp and the second fixing clamp and stretching or compressing expansion joints arranged in the first fixing clamp and the second fixing clamp.
2. The stretching and compressing tool set forth in claim 1, wherein a first hanging ring is arranged on the first vertical plate.
3. The stretch-compression tool of claim 1, further comprising a first fastener, wherein the first base plate is detachably connected to the first flange via the first fastener.
4. The stretching and compressing tool according to claim 1, wherein a plurality of first rib plates are arranged between the first vertical plate and the first bottom plate, and the plurality of first rib plates are sequentially arranged along the length direction of the first bottom plate.
5. The stretching and compressing tool set forth in claim 1, wherein a second lifting ring is arranged on the second vertical plate.
6. The stretch-compression tool of claim 1, further comprising a second fastener, wherein the second base plate is detachably connected to the second flange via the second fastener.
7. The stretching and compressing tool according to claim 1, wherein a plurality of second rib plates are arranged between the second vertical plate and the second bottom plate, and the plurality of second rib plates are sequentially arranged along the length direction of the second bottom plate.
8. The stretching and compressing tool according to any one of claims 1 to 7, wherein grooves are formed in the first vertical plate and the second vertical plate, and the grooves are used for avoiding the pull rod of the expansion joint.
9. The stretch-compression tool according to any one of claims 1 to 7, wherein the driving device is a servo electric cylinder.
10. A large displacement tension-compression mounting system comprising the tension-compression tooling of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920459077.3U CN209850826U (en) | 2019-04-08 | 2019-04-08 | Tensile compression frock and tensile compression mounting system of large displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920459077.3U CN209850826U (en) | 2019-04-08 | 2019-04-08 | Tensile compression frock and tensile compression mounting system of large displacement |
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| CN209850826U true CN209850826U (en) | 2019-12-27 |
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| CN201920459077.3U Active CN209850826U (en) | 2019-04-08 | 2019-04-08 | Tensile compression frock and tensile compression mounting system of large displacement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895030A (en) * | 2019-04-08 | 2019-06-18 | 沈阳晨光弗泰波纹管有限公司 | The big displacement Compression and Expansion method of Compression and Expansion tooling and expansion joint |
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2019
- 2019-04-08 CN CN201920459077.3U patent/CN209850826U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895030A (en) * | 2019-04-08 | 2019-06-18 | 沈阳晨光弗泰波纹管有限公司 | The big displacement Compression and Expansion method of Compression and Expansion tooling and expansion joint |
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