CN219830274U - Loading device for anti-dislocation experiment of circular seam joint of arc-shaped duct piece - Google Patents
Loading device for anti-dislocation experiment of circular seam joint of arc-shaped duct piece Download PDFInfo
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- CN219830274U CN219830274U CN202320474232.5U CN202320474232U CN219830274U CN 219830274 U CN219830274 U CN 219830274U CN 202320474232 U CN202320474232 U CN 202320474232U CN 219830274 U CN219830274 U CN 219830274U
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- 238000005096 rolling process Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Abstract
The utility model discloses a loading device for an arc-shaped duct piece girth joint anti-dislocation experiment, belongs to the technical field of tunnel duct pieces, and solves the problem that the existing loading device cannot perform the arc-shaped duct piece anti-dislocation experiment; the device comprises a fixed seat, wherein four transverse threaded rods are fixed between two side plates of the fixed seat, and two ends of each transverse threaded rod are respectively provided with a horizontal clamping mechanism and a pushing mechanism; two vertical threaded rods and a dislocation mechanism are fixed on the bottom plate of the fixing seat, the two vertical threaded rods are oppositely arranged, and the vertical clamping mechanism is fixed on the two vertical threaded rods. According to the utility model, the first duct piece is clamped by the horizontal clamping mechanism and the vertical clamping mechanism, the pushing mechanism is used for pushing the second duct piece positioned on the dislocation mechanism, so that the joint of the first duct piece and the second duct piece is clung, and the dislocation mechanism is used for applying dislocation force to the joint of the first duct piece and the second duct piece, so that an anti-dislocation experiment of the duct piece is conveniently carried out.
Description
Technical Field
The utility model relates to the technical field of tunnel duct pieces, in particular to a loading device for an anti-dislocation experiment of an arc duct piece girth joint.
Background
In the engineering construction of high-speed development, the engineering technology of tunnel construction is rapidly developed. The shield construction technology has higher construction rate while ensuring safety, and is widely applied to urban subway construction.
In actual engineering, geological engineering conditions are serious tests faced by shield segments, load under geological conditions such as poor rock-soil body, underground water and the like is born, indoor loading experiments of the segments are often needed, and whether the bearing capacity of the segments meets the design requirements is determined.
The junction bearing capacity between two ring canal pieces is relatively poor, and the excessive load easily produces the dislocation, and the dislocation resistance ability experiment of section of jurisdiction is the effective means of inspection section of jurisdiction whole bearing capacity, and current loading device can not apply wrong power to the junction between two arc section of jurisdiction to can't carry out the dislocation experiment of arc section of jurisdiction.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a loading device for an arc-shaped duct piece girth joint anti-dislocation experiment, which solves the problem that the existing loading device cannot perform the arc-shaped duct piece anti-dislocation experiment.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the loading device comprises a fixed seat, four transverse threaded rods are fixed between two side plates of the fixed seat, the four transverse threaded rods are arranged in pairs and opposite to each other, and two ends of the two pairs of transverse threaded rods are respectively provided with a horizontal clamping mechanism and a pushing mechanism; two vertical threaded rods and a dislocation mechanism are fixed on the bottom plate of the fixed seat, and the two vertical threaded rods are oppositely arranged and are fixedly provided with a vertical clamping mechanism; the horizontal clamping mechanism and the vertical clamping mechanism are matched to clamp the first duct piece, and the pushing mechanism pushes the second duct piece on the dislocation mechanism to cling to the first duct piece.
In the scheme, a first duct piece is clamped by adopting a horizontal clamping mechanism and a vertical clamping mechanism, a second duct piece positioned on a dislocation mechanism is pushed by utilizing a pushing mechanism, so that the joint of the first duct piece and the second duct piece is clung, and dislocation force is applied to the joint of the first duct piece and the second duct piece by utilizing the dislocation mechanism, so that an dislocation resistance experiment of the duct piece is conveniently carried out; and the horizontal clamping mechanism and the vertical clamping mechanism are respectively in threaded connection with the transverse threaded rod and the vertical threaded rod, so that the clamping position can be conveniently adjusted, and the anti-dislocation experiment of the duct pieces with various specifications can be adapted.
Further, the fixing seat is a U-shaped plate; the fixing base adopts a U-shaped plate, so that the installation space is released, and the mechanism positioned in the fixing base is convenient to fix.
Further, the horizontal clamping mechanism comprises a first baffle, two ends of the first baffle are respectively in threaded connection with two pairs of transverse threaded rods, and the first baffle is clung to the end face of the first duct piece; adopt threaded connection, be convenient for adjust the position.
Further, the vertical clamping mechanism comprises a vertical clamping plate and a supporting plate, two ends of the vertical clamping plate and the supporting plate are respectively in threaded connection with two vertical threaded rods, and the vertical clamping plate and the supporting plate are respectively clung to the top surface and the bottom surface of the first duct piece.
Further, a first arc-shaped cushion block is fixed at the bottom of the vertical clamping plate, and the cambered surface of the first arc-shaped cushion block is attached to the top surface of the first duct piece; the uniformity of first section of jurisdiction atress has been guaranteed in first arc cushion and first section of jurisdiction laminating.
Further, the pushing mechanism comprises a second baffle, two ends of the second baffle are respectively connected with two pairs of transverse threaded rods in a threaded manner, two pushing jacks are arranged on two sides of the second baffle, ejector rods of the two pushing jacks are connected with the loading cushion blocks, and the two pushing jacks push the loading cushion blocks and the second duct piece to move linearly; the pushing jack has a light, firm, flexible and reliable structure.
Further, the bottom of the loading cushion block is in rolling connection with rollers which are uniformly arranged on a support, and the support is positioned on one side of the dislocation mechanism and fixed on the bottom plate; the loading cushion block counteracts the gravity of the loading cushion block by using a roller on the support, and the thrust of the pushing jack can be efficiently utilized.
Further, the staggering mechanism comprises a staggering jack, a round cushion block is fixed on the bottom surface of the staggering jack so as to be fixed with the bottom plate, a second arc cushion block is fixed on the ejector rod of the staggering jack, and the arc surface of the second arc cushion block is attached to the bottom surface of the second duct piece; and the second arc cushion block is attached to the second duct piece, so that the uniformity of the stress of the second duct piece is ensured.
The utility model discloses a loading device for an anti-dislocation experiment of an arc segment girth joint, which has the beneficial effects that:
1. the utility model has simple structure, and the pushing jack and the dislocation jack can respectively bear the pushing force and the dislocation force of the pipe piece, thereby being convenient for carrying out the dislocation resistance experiment of the pipe piece.
2. The horizontal clamping mechanism and the vertical clamping mechanism are respectively in threaded connection with the transverse threaded rod and the vertical threaded rod, so that the clamping position can be conveniently adjusted, and the anti-dislocation experiment of duct pieces with various specifications can be adapted.
3. According to the utility model, the first arc-shaped cushion block and the second arc-shaped cushion block are respectively attached to the first duct piece and the second duct piece, so that the uniformity of stress of the first duct piece and the second duct piece is ensured, and damage is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a loading device for an anti-dislocation experiment of an arc segment girth joint;
FIG. 2 is a schematic view of a vertical clamping mechanism;
FIG. 3 is a schematic view of the structure of the horizontal clamping structure, the pushing mechanism and the dislocation mechanism;
wherein: 1. a fixing seat; 2. a transverse threaded rod; 3. a horizontal clamping mechanism; 4. a vertical threaded rod; 5. a vertical clamping mechanism; 6. a pushing mechanism; 7. a dislocation mechanism; 8. a first segment; 9. a second segment; 10. an adjusting nut; 51. a vertical clamping plate; 52. a support plate; 61. a second baffle; 62. pushing the jack; 63. loading a cushion block; 64. a support; 71. a round cushion block; 72. a staggered jack; 73. a second arc-shaped cushion block; 511. a first arcuate pad; 641. and a roller.
Detailed Description
The following description of the embodiments of the present utility model is provided to facilitate understanding of the present utility model by those skilled in the art, but it should be understood that the present utility model is not limited to the scope of the embodiments, and all the utility models which make use of the inventive concept are protected by the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.
Example 1
The embodiment provides a loading device for an arc segment girth joint anti-dislocation experiment, which aims to solve the problem that the existing loading device cannot perform the arc segment anti-dislocation experiment, and the components of the loading device are shown in detail below.
Referring to fig. 1, a loading device for an anti-dislocation experiment of an arc segment girth joint in this embodiment includes a fixing base 1, four transverse threaded rods 2, a horizontal clamping mechanism 3, two vertical threaded rods 4, a vertical clamping mechanism 5, a pushing mechanism 6 and a dislocation mechanism 7.
The fixing seat 1 is a U-shaped plate, and a bottom plate and two side plates of the U-shaped plate in the embodiment are connected by threads, so that the U-shaped plate is convenient to assemble and disassemble; the U-shaped plate releases the installation space at the two sides of the U-shaped plate, so that the mechanism positioned in the U-shaped plate is convenient to fix.
The four transverse threaded rods 2 are arranged in pairs and are oppositely fixed on the fixed seat 1, two ends of the two pairs of transverse threaded rods 2 are respectively fixed on two side plates of the fixed seat 1, and two ends of the two pairs of transverse threaded rods 2 are respectively used for supporting the horizontal clamping mechanism 3 and the pushing mechanism 6.
Referring to fig. 2, two vertical threaded rods 4 are oppositely fixed on the bottom plate of the fixing seat 1, threads are not formed at two ends of the two vertical threaded rods 4, the two vertical threaded rods 4 are respectively inserted into two connecting holes of the bottom plate, and the two vertical threaded rods 4 are respectively in interference fit with the two connecting holes.
Two ends of the vertical clamping mechanism 5 are respectively in threaded connection with the two vertical threaded rods 4, and the vertical clamping mechanism 5 is positioned between the horizontal clamping mechanism 3 and the pushing mechanism 6.
The first section of jurisdiction 8 of horizontal fixture 3 and vertical fixture 5 centre gripping, horizontal fixture 3 and vertical fixture 5 respectively with horizontal threaded rod 2 and vertical threaded rod 4 threaded connection be convenient for adjust the clamping position, adaptable multiple specification section of jurisdiction's anti-dislocation experiment.
The dislocation mechanism 7 is used for bearing a second duct piece 9, the dislocation mechanism 7 is fixed on the bottom plate, and the dislocation mechanism 7 is positioned at one side of the vertical clamping mechanism 5 and is close to the pushing mechanism 6; in the embodiment, the pushing mechanism 6 is utilized to push the second duct piece 9 on the dislocation mechanism 7, so that the joint of the first duct piece 8 and the second duct piece 9 is clung, and the dislocation mechanism 7 is utilized to apply dislocation force to the joint of the first duct piece 8 and the second duct piece 9, so that dislocation resistance experiments of duct pieces can be conveniently carried out.
As a further scheme of this embodiment, horizontal fixture 3 is first baffle, all offers two through-holes with transverse threaded rod 2 complex on the both ends of first baffle, and the both sides of first baffle through-hole all are equipped with transverse threaded rod 2 complex adjusting nut 10, are convenient for adjust the mounted position of first baffle through adjusting nut 10, make first baffle hug closely with the terminal surface of first section of jurisdiction 8.
As a further scheme of this embodiment, the vertical clamping mechanism 5 includes vertical grip block 51 and backup pad 52, through-holes with vertical threaded rod 4 complex are all seted up at the both ends of vertical grip block 51 and backup pad 52, and the both sides of through-holes on vertical grip block 51 and backup pad 52 all are equipped with adjusting nut 10, are convenient for adjust the mounted position of vertical grip block 51 and backup pad 52 through adjusting nut 10, make vertical grip block 51 and backup pad 52 hug closely with the top surface and the bottom surface of first section of jurisdiction 8 respectively.
The bottom of the vertical clamping plate 51 is fixedly provided with a first arc-shaped cushion block 511, and the cambered surface of the first arc-shaped cushion block 511 is attached to the top surface of the first duct piece 8; the first arc-shaped cushion block 511 is attached to the first duct piece 8, so that uniformity of stress of the first duct piece 8 is guaranteed.
Referring to fig. 3, as a further scheme of the present embodiment, the dislocating mechanism 7 includes a dislocating jack 72, a circular cushion block 71 is fixed on the bottom surface of the dislocating jack 72 to be fixed with the bottom plate, a second arc cushion block 73 is fixed on the ejector rod of the dislocating jack 72, and the arc surface of the second arc cushion block 73 is attached to the bottom surface of the second duct piece 9; and the second arc-shaped cushion block is attached to the second duct piece 9, so that the uniformity of the stress of the second duct piece 9 is ensured.
In this embodiment, the dislocation jack 72 is used to provide thrust for the second segment 9, including but not limited to a conventional hand jack, a hydraulic jack, and optionally an electric push rod, and in this embodiment, an FPY-10 jack is preferred.
The working principle of the embodiment is as follows:
the first duct piece 8 is placed on the supporting plate 52, the vertical clamping plate 51 and the first baffle plate are respectively adjusted by the adjusting nut 10 to clamp the first duct piece 8, the second duct piece 9 is placed on the second arc-shaped cushion block 73, the pushing mechanism 6 is started to push the second duct piece 9 to enable the joint of the second duct piece 9 and the first duct piece 8 to be clung, the dislocation jack 72 is started, the dislocation jack 72 drives the second arc-shaped cushion block 73 to move upwards to provide dislocation power for the second duct piece 9, and an anti-dislocation experiment is carried out.
Example 2
Referring to fig. 3, the present embodiment provides a specific structure of the pushing mechanism 6 for pushing the second segment 9 and making the connection between the second segment 9 and the first segment 8 close to each other.
The pushing mechanism 6 comprises a second baffle 61, two pushing jacks 62, a loading cushion block 63 and a support 64, two through holes are formed in two ends of the second baffle 61, adjusting nuts 10 matched with the transverse threaded rods 2 are arranged on two sides of the through holes of the second baffle 61, and the second baffle 61 is in threaded connection with the transverse threaded rods 2 through the adjusting nuts 10.
Two pushing jacks 62 are arranged on two sides of the second baffle 61, ejector rods of the two pushing jacks 62 are fixedly connected with the loading cushion block 63, and the two pushing jacks 62 drive the loading cushion block 63 to linearly move so as to push the second duct piece 9 to be close to the first duct piece 8; the pushing jack 62 is light, firm, flexible and reliable in structure.
In this embodiment, the pushing jack 62 is used to provide a pushing force for the second segment 9, including but not limited to a conventional hand jack, a hydraulic jack, and optionally an electric push rod, and in this embodiment, an FPY-5 jack is preferred.
The surface of the support 64 is provided with a groove, a plurality of rollers 641 are rotatably arranged on two sides of the groove, the bottom of the loading cushion 63 is in rolling connection with the rollers 641 uniformly arranged on the support 64, and the support 64 is positioned on one side of the dislocation mechanism 7 and fixed on the bottom plate; the loading cushion 63 counteracts the gravity of the loading cushion by using the roller 641 on the support 64, and the thrust of the pushing jack 62 can be efficiently utilized.
Although specific embodiments of the utility model have been described in detail with reference to the accompanying drawings, it should not be construed as limiting the scope of protection of the present patent. Various modifications and variations which may be made by those skilled in the art without the creative effort are within the scope of the patent described in the claims.
Claims (8)
1. The utility model provides a loading device of arc section of jurisdiction girth joint anti-dislocation experiment which characterized in that: the device comprises a fixing seat (1), wherein four transverse threaded rods (2) are fixed between two side plates of the fixing seat (1), the four transverse threaded rods (2) are arranged in pairs and are opposite to each other, and two ends of the two pairs of transverse threaded rods (2) are respectively provided with a horizontal clamping mechanism (3) and a pushing mechanism (6);
two vertical threaded rods (4) and a dislocation mechanism (7) which are positioned between the horizontal clamping mechanism (3) and the pushing mechanism (6) are fixed on the bottom plate of the fixed seat (1), and the two vertical threaded rods (4) are oppositely arranged and are fixedly provided with a vertical clamping mechanism (5); the horizontal clamping mechanism (3) and the vertical clamping mechanism (5) are matched to clamp the first duct piece (8), and the pushing mechanism (6) pushes the second duct piece (9) positioned on the dislocation mechanism (7) to be clung to the first duct piece (8).
2. The loading device for the anti-dislocation experiment of the circular seam joint of the arc-shaped duct piece according to claim 1, wherein the loading device is characterized in that: the fixing seat (1) is a U-shaped plate.
3. The loading device for the anti-dislocation experiment of the circular seam joint of the arc-shaped duct piece according to claim 1, wherein the loading device is characterized in that: the horizontal clamping mechanism (3) comprises a first baffle, two ends of the first baffle are respectively in threaded connection with two pairs of transverse threaded rods (2), and the first baffle is tightly attached to the end face of the first duct piece (8).
4. The loading device for the anti-dislocation experiment of the circular seam joint of the arc-shaped duct piece according to claim 1, wherein the loading device is characterized in that: the vertical clamping mechanism (5) comprises a vertical clamping plate (51) and a supporting plate (52), two ends of the vertical clamping plate (51) and two ends of the supporting plate (52) are respectively in threaded connection with two vertical threaded rods (4), and the vertical clamping plate (51) and the supporting plate (52) are respectively clung to the top surface and the bottom surface of the first duct piece (8).
5. The loading device for the anti-dislocation experiment of the circular seam joint of the arc-shaped duct piece according to claim 4, wherein the loading device is characterized in that: the bottom of vertical grip block (51) is fixed with first arc cushion (511), the cambered surface of first arc cushion (511) with the top surface laminating of first section of jurisdiction (8).
6. The loading device for the anti-dislocation experiment of the circular seam joint of the arc-shaped duct piece according to claim 1, wherein the loading device is characterized in that: the pushing mechanism (6) comprises a second baffle (61), two ends of the second baffle (61) are respectively connected with two pairs of transverse threaded rods (2) in a threaded mode, two pushing jacks (62) are arranged on two sides of the second baffle (61), ejector rods of the two pushing jacks (62) are connected with a loading cushion block (63), and the two pushing jacks (62) push the loading cushion block (63) and the second duct piece (9) to move linearly.
7. The loading device for the anti-dislocation experiment of the circular seam joint of the arc-shaped duct piece according to claim 6, wherein the loading device is characterized in that: the bottom of the loading cushion block (63) is in rolling connection with rollers (641) which are uniformly arranged on a support (64), and the support (64) is positioned on one side of the dislocation mechanism (7) and is fixed on the bottom plate.
8. The loading device for the anti-dislocation experiment of the circular seam joint of the arc-shaped duct piece according to claim 6, wherein the loading device is characterized in that: the dislocation mechanism (7) comprises a dislocation jack (72), a round cushion block (71) is fixed on the bottom surface of the dislocation jack (72) to be fixed with the bottom plate, a second arc cushion block (73) is fixed on a top rod of the dislocation jack (72), and the arc surface of the second arc cushion block (73) is attached to the bottom surface of the second duct piece (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320474232.5U CN219830274U (en) | 2023-03-14 | 2023-03-14 | Loading device for anti-dislocation experiment of circular seam joint of arc-shaped duct piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320474232.5U CN219830274U (en) | 2023-03-14 | 2023-03-14 | Loading device for anti-dislocation experiment of circular seam joint of arc-shaped duct piece |
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| Publication Number | Publication Date |
|---|---|
| CN219830274U true CN219830274U (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320474232.5U Active CN219830274U (en) | 2023-03-14 | 2023-03-14 | Loading device for anti-dislocation experiment of circular seam joint of arc-shaped duct piece |
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| Country | Link |
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| CN (1) | CN219830274U (en) |
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- 2023-03-14 CN CN202320474232.5U patent/CN219830274U/en active Active
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