CN211553623U - Liftable immersed tube section model connecting section shearing performance test platform - Google Patents
Liftable immersed tube section model connecting section shearing performance test platform Download PDFInfo
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- CN211553623U CN211553623U CN201922189450.0U CN201922189450U CN211553623U CN 211553623 U CN211553623 U CN 211553623U CN 201922189450 U CN201922189450 U CN 201922189450U CN 211553623 U CN211553623 U CN 211553623U
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Abstract
The utility model provides a liftable platform for testing shearing performance of a connecting section of a immersed tube section model, which belongs to the technical field of tunnel immersed tube section model testing equipment and specifically comprises a middle lifting mechanism and a peripheral force application mechanism arranged outside the middle lifting mechanism; the middle lifting mechanism comprises a middle lifting platform and a plurality of lifting adjusting jacks connected to the bottom of the middle lifting platform, the middle lifting platform is used for placing the immersed tube joint model, and the testing height of the immersed tube joint model is adjusted through the lifting adjusting jacks; the peripheral force application mechanism comprises a peripheral force application frame and a force application jack movably connected to the top end of the peripheral force application frame, and the force application jack applies shearing force to the immersed tube pipe joint model. The utility model discloses a testing arrangement is nimble adjustable, and the shearing force limit value that it measured can provide reliable data to immersed tube tunnel's construction and support to guarantee immersed tube tunnel's safety.
Description
Technical Field
The utility model relates to a tunnel immersed tube festival model test equipment technical field specifically is a liftable immersed tube festival model connection section shearing property test platform.
Background
The immersed tunnel is constructed by floating and transporting a plurality of prefabricated sections of immersed tube sections to the sea surface respectively and then sinking the sections one by one in a dredged foundation trench. The immersed tube tunnels in China start late, but develop rapidly, and at present, dozens of immersed tube tunnels built in China exist, and dozens of immersed tube tunnel projects built and proposed also exist. Under the normal condition, the displacement of the segment joints is mainly controlled by the shear keys in the operation process of the immersed tube tunnel, but the size of the shear keys is influenced by the position of a water stopping band in actual engineering and the structure of a wall body, so that the bearing capacity of the shear keys is limited, the hardness degree of a seabed foundation can be changed in the actual operation process of the tunnel, the phenomena of large back silting and the like are caused, the immersed tube tunnel is subjected to differential settlement, and at the moment, if the bearing capacity of the shear keys exceeds the limit, cracks or collapse of the immersed tube tunnel can be caused, and serious accidents are caused.
Because the immersed tube is very big and install under water, test its shearing force after the installation and not conform to reality, general test mode is all to reduce the immersed tube coupling by proportion and makes immersed tube coupling model, judges the shearing force of immersed tube coupling linkage segment through the shearing force test to immersed tube coupling model linkage segment, does not have fine device that is applied to the shearing force test of immersed tube coupling model linkage segment specially yet among the prior art, can't accurately evaluate the shearing force of immersed tube coupling linkage segment through immersed tube coupling model.
SUMMERY OF THE UTILITY MODEL
The problem that the shearing force of the connecting section of the immersed tube section cannot be accurately evaluated through the test of the immersed tube section model because a good device specially applied to the shearing force test of the connecting section of the immersed tube section model does not exist in the prior art is solved. The utility model provides a liftable immersed tube coupling linkage section shearing capability test platform, its concrete technical scheme as follows:
a liftable platform for testing the shearing performance of a connecting section of a immersed tube joint model comprises a middle lifting mechanism and a peripheral force application mechanism arranged outside the middle lifting mechanism;
the middle lifting mechanism comprises a middle lifting platform and a plurality of lifting adjusting jacks connected to the bottom of the middle lifting platform, the middle lifting platform is used for placing connected immersed tube section models, and the testing height of the immersed tube section models is adjusted through the lifting adjusting jacks;
the peripheral force application mechanism comprises a peripheral force application frame and a force application jack movably connected to the peripheral force application frame, and shear force is applied to the immersed tube joint model through the force application jack.
And limiting plates are arranged on two sides above the middle lifting platform, the limiting plates are arranged along the width direction of the middle lifting platform, and the testing area of the immersed tube pipe joint model is limited by the limiting plates.
Further inject, the bottom terminal surface fixedly connected with of middle elevating platform supports the head disk, support fixedly connected with spacing ring on the head disk, the top of lift adjustment jack passes the spacing ring and pushes up on supporting head disk (14).
Further, a supporting chassis is arranged at the bottom of the lifting adjusting jack.
The peripheral force application frame comprises a support upright post, a connecting post, a support rod and a support rod upright post, wherein the support rod is arranged on two opposite sides of the middle lifting platform, the support rod upright post is connected below two end parts of the support rod, and the support rod upright post is used for supporting the support rod;
the support column is provided with a sleeve joint hole, the support rod penetrates through the sleeve joint hole and is fixedly connected with the support column, the connecting column stretches across the middle part of the upper part of the lifting platform and is fixedly connected with the top end of the support column, and the connecting column is movably connected with a force application jack.
Further inject, the bracing piece includes horizontal bracing piece and longitudinal support pole, horizontal bracing piece and longitudinal support pole enclose into the support frame of rectangle form, the rectangle plane of support frame is parallel with the upper end surface of middle elevating platform, at the fixedly connected with bracing piece stand of horizontal bracing piece and longitudinal support pole junction below, support horizontal bracing piece and longitudinal support pole through the bracing piece stand, horizontal bracing piece or longitudinal support pole pass cup joint hole and support stand fixed connection, the spliced pole stretches over middle elevating platform and the horizontal bracing piece or the longitudinal support pole top fixed connection of relative setting.
Further inject, be provided with the sliding tray on the spliced pole, the application of force jack passes the sliding tray and can dismantle with the spliced pole and be connected, the application of force jack can slide along the sliding tray.
Further inject, the immersed tube section model linkage segment shearing performance test platform of liftable still includes a bottom supporting bench, the bottom supporting bench sets up the below at middle elevating system and peripheral application of force mechanism, the lower terminal surface and the bottom supporting bench fixed connection of bracing piece stand.
Further limiting, the bottom support platform comprises a support panel and a plurality of support columns connected below the support panel, the support panel is arranged below the middle lifting mechanism, and the lower ends of the support column columns are fixedly connected to the upper end face of the support panel;
the support column is characterized in that the support panel is provided with a mounting through hole, the bottom end of the support column penetrates through the mounting through hole to be detachably connected with the support panel, and the support column can slide in the mounting through hole.
Further, the bottom support platform further comprises a support panel reinforcing member connected to the lower end surface of the support panel in a crisscross manner.
The beneficial effects of the utility model reside in that:
1. the utility model discloses liftable immersed tube festival model linkage section shearing property test platform is last to be provided with middle elevating system, elevating system's the outside in the middle is provided with peripheral application of force mechanism, elevating system can adjust the test height of immersed tube festival model through middle, exert the shearing force for immersed tube festival model linkage section through peripheral application of force mechanism, shearing force value when observing immersed tube festival model linkage section crack or fracture in the application shearing force in-process, bear the limit value for immersed tube festival model linkage section, thereby calculate or evaluate the anti-shearing force limit value of the immersed tube festival that corresponds with this model accurately, construction to the immersed tube tunnel provides reliable data support, thereby guarantee the safety in immersed tube tunnel.
2. The bottom panel is provided with an installation through hole, the bottom end of the supporting rod passes through the installation through hole to be detachably connected with the supporting panel, and the supporting rod can slide in the installation through hole; a sliding groove is formed in the connecting column, and the force application jack penetrates through the sliding groove and can slide along the sliding groove; the force application point of the force application jack at the connecting section of the immersed tube pipe section model is adjusted through sliding of the support rod and the force application jack, the testing process is flexible and adjustable, and the testing is simple and convenient.
3. The top end of the lifting adjusting jack penetrates through the limiting ring to be abutted against the supporting top disc, and the force application point of the lifting adjusting jack is fixed through the limiting ring, so that the top end of the lifting adjusting jack cannot slide randomly; the force of the lifting adjusting jack is dispersed through the supporting top disc, so that the middle lifting platform cannot be jacked to be damaged by the lifting adjusting jack.
Drawings
Fig. 1 is a schematic mechanism diagram of the testing platform of the present invention;
FIG. 2 is a front view of the test platform of the present invention;
FIG. 3 is a schematic structural view of an intermediate lift mechanism;
FIG. 4 is a schematic view of a bottom support table;
the device comprises a base, a lifting mechanism, a lifting platform, a lifting adjusting jack, a supporting top disc, a supporting base disc, a limiting ring, a limiting plate, a supporting rib plate, a peripheral force application mechanism, a supporting upright post, a connecting post, a transverse supporting rod, a longitudinal force application jack, a supporting upright post, a supporting plate, a bottom supporting table, a supporting column, a supporting panel reinforcing member and a supporting panel, wherein the lifting mechanism comprises 1-a middle lifting mechanism, 11-a middle lifting platform, 12-a lifting adjusting jack, 13-a supporting top disc, 14-a.
Detailed Description
The technical solution of the present invention is further explained below with reference to the drawings and examples, but the present invention is not limited to the embodiments explained below.
Referring to fig. 1 and 2, the utility model discloses a liftable immersed tube coupling model linkage section shearing property test platform includes middle elevating system 1 and sets up peripheral application of force mechanism 3 and the bottom supporting bench 4 in the middle elevating system 1 outside.
The middle lifting mechanism 1 comprises a middle lifting platform 11 and a plurality of lifting adjusting jacks 12 connected to the bottom of the middle lifting platform 11, the middle lifting platform 11 is used for placing connected immersed tube section models, and the testing height of the immersed tube section models is adjusted through the lifting adjusting jacks 12;
limiting plates 2 are arranged on two sides of the upper portion of the middle lifting platform 11, the limiting plates 2 are arranged along the width direction of the middle lifting platform 11, the testing area of the immersed tube pipe joint model is limited through the limiting plates 2, supporting rib plates 21 are arranged on the limiting plates 2, and the limiting plates 2 are supported through the supporting rib plates 21.
The peripheral force application mechanism 3 comprises a peripheral force application frame and a force application jack 35 movably connected to the peripheral force application frame, and applies a shearing force to the immersed tube pipe section model through the force application jack 35.
The bottom support base 4 is provided below the intermediate elevating mechanism 1 and the peripheral urging mechanism 3.
Example 1
Referring to fig. 3, in the liftable platform for testing the shearing performance of the connecting section of the immersed tube section model of the embodiment, the cross section of the middle lifting platform 11 is rectangular, 4 supporting top plates 13 are fixedly connected to four corners below the bottom end surface of the middle lifting platform 11, a limiting ring 15 is fixedly connected to the lower end surface of the supporting top plate 13, the top end of the lifting adjusting jack 12 penetrates through the limiting ring 15 and abuts against the lower end surface of the supporting top plate 13, the limiting ring 15 limits the moving range of the top end of the lifting adjusting jack 12, the supporting top plate 13 disperses the force applied by the lifting adjusting jack 12, and a supporting chassis 14 is arranged on the lower end surface of the lifting adjusting jack 12; the limiting plates 2 are connected to two sides of the upper end face of the middle lifting platform 11 through bolts;
the peripheral force application frame comprises a support upright post 31, a connecting post 32, two support rods and a support rod upright post 36, wherein the two support rods are arranged on two opposite sides of the middle lifting platform 11, the lower parts of the two end parts of the support rods are fixedly connected with the support rod upright post 36, the support rods are supported by the support rod upright post 36, sleeve joint holes for the support rods to pass through are formed in the support upright post 31, the support rods pass through the sleeve joint holes to be connected with the support upright post 31, and the support upright post 31 can slide along the support rods through the sleeve joint holes; the connecting column 32 spans the upper part of the middle lifting platform 11 and is fixedly connected with the top end of the supporting upright column 31; a sliding groove for the force application jack 35 to pass through is formed in the connecting column 32, a plurality of bolt holes are formed in the connecting column 32, bolt holes corresponding to the connecting column 32 are formed in the force application jack 35, the force application jack 35 passes through the sliding groove and is detachably connected with the connecting column 32 through pins inserted in the bolt holes in the connecting column 32 and the force application jack 35, and the force application jack 35 can slide back and forth along the sliding groove;
referring to fig. 4, the bottom supporting platform 4 is composed of a supporting panel 43, supporting columns 41 and supporting panel reinforcements 42, the supporting panel reinforcements 42 are i-shaped steel, the number of the supporting columns 41 is 12, and the supporting columns are respectively and uniformly arranged at the lower edge of the supporting panel 43, the supporting panel reinforcements 42 are arranged on the lower end surface of the supporting panel 43 in a cross shape, the cross section of the supporting panel 43 is rectangular, four corners of the upper end surface of the supporting panel 43 are fixedly connected with the bottom ends of the supporting rod upright columns 36, the supporting panel 43 is provided with mounting holes which are strip-shaped, the bottom ends of the supporting upright columns 31 penetrate through the mounting holes to be detachably connected with the supporting panel 43 through screws, and the supporting upright columns 31 can slide back and forth along the mounting.
When the shear force test of the immersed tube pipe joint model is carried out, the immersed tube pipe joint model is placed on the middle lifting platform 11, the test height of the immersed tube pipe joint model is adjusted through the lifting adjusting jack 12, the test position in the length direction of the connecting section of the immersed tube pipe joint model is adjusted through the sliding of the supporting upright column 31 in the supporting rod and the mounting hole, the test position in the width direction of the connecting section of the immersed tube pipe joint is adjusted through the sliding of the force applying jack 35 in the sliding groove, the accurate positioning of the force application point of the connecting section of the immersed tube pipe joint model is realized, finally, the shear force which is continuously increased is applied to the connecting section of the immersed tube pipe joint through the force applying jack 35 for testing until the connecting section of the immersed tube pipe joint is cracked or broken, and the limit value is recorded, namely the maximum bearing force of the connecting section of the immersed tube joint.
Example 2
The shear performance test platform for the liftable immersed tube pipe section model connecting section of the embodiment comprises a middle lifting platform 11, wherein the cross section of the middle lifting platform 11 is rectangular, 4 supporting top plates 13 are uniformly and fixedly connected to the lower edge of the bottom end face of the middle lifting platform 11, a limiting ring 15 is fixedly connected to the lower end face of each supporting top plate 13, the top end of a lifting adjusting jack 12 penetrates through the limiting ring 15 to be abutted against the lower end face of each supporting top plate 13, the moving range of the top end of the lifting adjusting jack 12 is limited by the limiting ring 15, the force applied by the lifting adjusting jack 12 is dispersed by the supporting top plates 13, and a supporting chassis 14 is arranged on the lower end face of the lifting adjusting jack 12; the limiting plates 2 are connected to two sides of the upper end face of the middle lifting platform 11 through bolts;
the peripheral force application frame comprises a support upright post 31, a connecting post 32, a transverse support rod 33, a longitudinal support rod 34 and a support rod upright post 36, wherein the number of the transverse support rod 33 and the longitudinal support rod 34 is two, the transverse support rod 33 and the longitudinal support rod 34 jointly form a rectangular support frame, the rectangular plane of the support frame is parallel to the upper end surface of the middle lifting platform 11, the support rod upright post 36 is fixedly connected below the connecting part of the transverse support rod 33 and the longitudinal support rod 34, the transverse support rod 33 and the longitudinal support rod 34 are supported through the support rod upright post 36, a sleeve hole for the longitudinal support rod 34 to pass through is formed in the support upright post 31, the longitudinal support rod 34 passes through the sleeve hole to be connected with the support upright post 31, and the support upright post 31 can; the connecting column 32 spans the upper part of the middle lifting platform 11 and is fixedly connected with the top end of the supporting upright column 31; a sliding groove for the force application jack 35 to pass through is formed in the connecting column 32, a plurality of bolt holes are formed in the connecting column 32, bolt holes corresponding to the connecting column 32 are formed in the force application jack 35, the force application jack 35 passes through the sliding groove and is detachably connected with the connecting column 32 through pins inserted in the bolt holes in the connecting column 32 and the force application jack 35, and the force application jack 35 can slide back and forth along the sliding groove;
the bottom support platform 4 is composed of a support panel 43, support columns 41 and support panel reinforcements 42, the support panel reinforcements 42 are i-steel, the number of the support columns 41 is 16, the support columns are respectively and uniformly arranged at the lower edge of the support panel 43, the support panel reinforcements 42 are arranged on the lower end face of the support panel 43 in a cross shape, the cross section of the support panel 43 is rectangular, four corners of the upper end face of the support panel 43 are fixedly connected with the bottom end of the support column 36, mounting holes are formed in the support panel 43 and are strip-shaped, the bottom end of the support column 31 penetrates through the mounting holes to be detachably connected with the support panel 43 through bolts, and the support column 31 can slide back and forth along the mounting holes.
When the shear force test of the immersed tube pipe joint model is carried out, the immersed tube pipe joint model is placed on the middle lifting platform 11, the test height of the immersed tube pipe joint model is adjusted through the lifting adjusting jack 12, the test position in the length direction of the connecting section of the immersed tube pipe joint model is adjusted through the sliding of the supporting upright column 31 in the longitudinal supporting rod 34 and the mounting hole, the test position in the width direction of the connecting section of the immersed tube pipe joint is adjusted through the sliding of the exerting jack 35 in the sliding groove, the accurate positioning of the force application point of the connecting section of the immersed tube pipe joint model is realized, finally, the continuously increased shear force is exerted on the connecting section of the immersed tube pipe joint through the exerting jack 35 for testing until the connecting section of the immersed tube pipe joint is cracked or broken, and the limit value is recorded, namely the maximum bearing force of the connecting section of the immersed tube pipe joint.
Example 3
The shear performance test platform for the liftable immersed tube pipe section model connecting section of the embodiment comprises a middle lifting platform 11, wherein the cross section of the middle lifting platform 11 is rectangular, 4 supporting top plates 13 are uniformly and fixedly connected to the lower edge of the bottom end face of the middle lifting platform 11, a limiting ring 15 is fixedly connected to the lower end face of each supporting top plate 13, the top end of a lifting adjusting jack 12 penetrates through the limiting ring 15 to be abutted against the lower end face of each supporting top plate 13, the moving range of the top end of the lifting adjusting jack 12 is limited by the limiting ring 15, the force applied by the lifting adjusting jack 12 is dispersed by the supporting top plates 13, and a supporting chassis 14 is arranged on the lower end face of the lifting adjusting jack 12; the limiting plates 2 are connected to two sides of the upper end face of the middle lifting platform 11 through bolts;
the peripheral force application frame comprises a support upright column 31, a connecting column 32, a transverse support rod 33, a longitudinal support rod 34 and a support rod upright column 36, wherein the number of the transverse support rod 33 and the longitudinal support rod 34 is two, the transverse support rod 33 and the longitudinal support rod 34 jointly form a rectangular support frame, the rectangular plane of the support frame is parallel to the upper end surface of the middle lifting platform 11, the support rod upright column 36 is fixedly connected below the connecting part of the transverse support rod 33 and the longitudinal support rod 34, the transverse support rod 33 and the longitudinal support rod 34 are supported through the support rod upright column 36, a sleeve hole for the transverse support rod 33 to pass through is formed in the support upright column 31, and the transverse support rod 33 passes through the sleeve hole and is fixedly connected with the; the connecting column 32 spans the upper part of the middle lifting platform 11 and is fixedly connected with the top end of the supporting upright column 31; a connecting hole for the force application jack 35 to pass through is formed in the connecting column 32, and the force application jack 35 passes through the connecting hole and is fixedly connected with the connecting column 32;
the bottom support platform 4 comprises a support panel 43, support columns 41 and support panel reinforcements 42, the support panel reinforcements 42 are i-shaped steel, the number of the support columns 41 is 8, the support columns are respectively and uniformly arranged at the lower edge of the support panel 43, the support panel reinforcements 42 are arranged on the lower end face of the support panel 43 in a cross shape, the cross section of the support panel 43 is rectangular, four corners of the upper end face of the support panel 43 are fixedly connected with the bottom ends of the support upright posts 36, mounting holes are formed in the support panel 43, and the bottom ends of the support upright posts 31 penetrate through the mounting holes and are fixedly connected with the support panel 43.
When the shear force test of the immersed tube pipe joint model is carried out, the immersed tube pipe joint model is placed on the middle lifting platform 11, the test height of the immersed tube pipe joint model is adjusted through the lifting adjusting jack 12, the constantly increased shear force is applied to the immersed tube pipe joint connecting section through the force applying jack 35 for testing until the immersed tube pipe joint connecting section cracks or breaks, and the limit value is recorded and is the maximum bearing capacity of the immersed tube pipe joint connecting section.
Claims (10)
1. A liftable platform for testing the shearing performance of a connecting section of a immersed tube joint model is characterized by comprising a middle lifting mechanism (1) and a peripheral force application mechanism (3) arranged outside the middle lifting mechanism (1);
the middle lifting mechanism (1) comprises a middle lifting platform (11) and a plurality of lifting adjusting jacks (12) connected to the bottom of the middle lifting platform (11), the middle lifting platform (11) is used for placing connected immersed tube pipe joint models, and the testing height of the immersed tube pipe joint models is adjusted through the lifting adjusting jacks (12);
the peripheral force application mechanism (3) comprises a peripheral force application frame and a force application jack (35) movably connected to the peripheral force application frame, and shear force is applied to the immersed tube joint model through the force application jack (35).
2. The liftable platform for testing the shearing performance of the connecting section of the immersed tube pipe section model according to claim 1, wherein limiting plates (2) are arranged on two sides above the middle lifting platform (11), the limiting plates (2) are arranged along the width direction of the middle lifting platform (11), and a testing area of the immersed tube pipe section model is limited by the limiting plates (2).
3. The liftable platform for testing the shearing performance of the connecting section of the immersed tube pipe section model as claimed in claim 1 or 2, wherein the bottom end face of the middle lifting platform (11) is fixedly connected with a plurality of supporting top discs (13), the supporting top discs (13) are fixedly connected with limiting rings (15), and the top ends of the lifting adjusting jacks (12) penetrate through the limiting rings (15) and are propped against the supporting top discs (13).
4. The liftable platform for testing the shearing performance of the connecting section of the immersed tube section model according to claim 3, wherein a supporting chassis (14) is arranged at the bottom of the lifting adjusting jack (12).
5. The liftable platform for testing the shearing performance of the connecting section of the immersed tube pipe section model according to claim 1, wherein the peripheral force application frame comprises a support upright (31), a connecting column (32), support rods and support rod uprights (36), the support rods are arranged on two opposite sides of the middle lifting platform (11), the support rod uprights (36) are connected below two end parts of the support rods, and the support rod uprights (36) are used for supporting the support rods;
be provided with on support post (31) and cup joint the hole, the bracing piece passes cup joint hole and support post (31) fixed connection, the spliced pole (32) span the top fixed connection of middle elevating platform (11) top and support post (31), swing joint has application of force jack (35) on spliced pole (32).
6. The liftable platform for testing the shearing performance of the connecting section of the immersed tube section model according to claim 5, characterized in that the supporting rods comprise a transverse supporting rod (33) and a longitudinal supporting rod (34), the transverse supporting rods (33) and the longitudinal supporting rods (34) enclose a rectangular supporting frame, the rectangular plane of the supporting frame is parallel to the upper end surface of the middle lifting platform (11), a supporting rod upright post (36) is fixedly connected below the connecting part of the transverse supporting rod (33) and the longitudinal supporting rod (34), the transverse supporting rod (33) and the longitudinal supporting rod (34) are supported by the supporting rod upright post (36), the transverse supporting rod (33) or the longitudinal supporting rod (34) passes through the sleeving hole to be fixedly connected with the supporting upright post (31), the connecting column (32) stretches across the upper part of the middle lifting platform (11) and is fixedly connected with the top ends of the transverse supporting rods (33) or the longitudinal supporting rods (34) which are arranged oppositely.
7. The liftable platform for testing the shearing performance of the connecting section of the immersed tube pipe section model according to claim 5 or 6, wherein a sliding groove is formed in the connecting column (32), the force applying jack (35) penetrates through the sliding groove and is detachably connected with the connecting column (32), and the force applying jack (35) can slide along the sliding groove.
8. The liftable platform for testing the shearing performance of the connecting section of the immersed tube section model according to claim 5, further comprising a bottom supporting platform (4), wherein the bottom supporting platform (4) is arranged below the middle lifting mechanism (1) and the peripheral force application mechanism (3), and the lower end surface of the supporting rod upright post (36) is fixedly connected with the bottom supporting platform (4).
9. The liftable platform for testing the shearing performance of the connecting section of the immersed tube section model according to claim 8, wherein the bottom support platform (4) comprises a support panel (43) and a plurality of support columns (41) connected below the support panel (43), the support panel (43) is arranged below the middle lifting mechanism (1), and the lower ends of the support column (36) are fixedly connected to the upper end surface of the support panel (43);
the supporting panel (43) is provided with a mounting through hole, the bottom end of the supporting upright post (31) penetrates through the mounting through hole to be detachably connected with the supporting panel (43), and the supporting upright post (31) can slide in the mounting through hole.
10. The liftable platform for testing the shearing performance of the connecting section of the sinking pipe section model according to claim 9, wherein the bottom support platform (4) further comprises a support panel reinforcing member (42), and the support panel reinforcing member (42) is connected to the lower end surface of the support panel (43) in a crisscross manner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922189450.0U CN211553623U (en) | 2019-12-07 | 2019-12-07 | Liftable immersed tube section model connecting section shearing performance test platform |
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| CN201922189450.0U CN211553623U (en) | 2019-12-07 | 2019-12-07 | Liftable immersed tube section model connecting section shearing performance test platform |
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| CN211553623U true CN211553623U (en) | 2020-09-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378600A (en) * | 2020-10-28 | 2021-02-19 | 广东电网有限责任公司佛山供电局 | Device and method for testing sealing performance of pipe joint of jacking pipe |
-
2019
- 2019-12-07 CN CN201922189450.0U patent/CN211553623U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378600A (en) * | 2020-10-28 | 2021-02-19 | 广东电网有限责任公司佛山供电局 | Device and method for testing sealing performance of pipe joint of jacking pipe |
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