Water stop steel plate for underground tunnel
By designing a positioning plate and slot structure on the water-stop steel plate, and utilizing the linkage of springs and movable plates to achieve precise splicing, the problem of steel plate misalignment during welding was solved, improving welding accuracy and sealing performance.
Patent Information
- Application Number
- CN202520401811.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-03-10
AI Technical Summary
During the welding process of waterstop steel plates, it is difficult to avoid problems such as reduced welding accuracy and increased splicing gaps caused by steel plate misalignment.
A positioning plate and positioning groove are installed on one side of the water-stop steel plate body. Through the cooperation of the insert plate and the slot, precise splicing is achieved by the linkage of the spring and the movable plate. The sealing gasket and the sealing plate are used to improve the sealing and protection.
Precise splicing of water-stop steel plates was achieved, improving welding efficiency and sealing performance, preventing water leakage and impurities from entering, and enhancing the welding effect.
Smart Images

Figure CN223676285U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waterstop steel plate field, specifically is a waterstop steel plate for underground tunnel. BACKGROUND
[0002] Waterstop steel plate is a kind of waterproof material for underground building and tunnel engineering, usually made of cold-rolled steel plate, with good ductility and shear strength, it is mainly used in the position of construction joint or deformation joint, prevents water seepage by physical isolation and shear resistance.
[0003] The existing waterstop steel plate, in underground tunnel engineering, the splicing of waterstop steel plate usually adopts welding mode preferentially to ensure the reliability of connection and waterproof effect, and when welding, two waterstop steel plates need to be aligned, to facilitate the welding of the splicing of waterstop steel plate, but due to the difficulty in clamping and positioning waterstop steel plate before welding, the splicing gap between two waterstop steel plates may be large due to the offset of waterstop steel plate during welding, which affects the welding precision and reduces the welding effect of waterstop steel plate. SUMMARY
[0004] Therefore, the utility model discloses a waterstop steel plate for underground tunnel to solve the technical problem that waterstop steel plate may move during welding and affect welding precision.
[0005] To achieve the above object, the utility model provides the following technical scheme: a waterstop steel plate for underground tunnel, including waterstop steel plate body, the side of waterstop steel plate body is equipped with two positioning plates, the other side of waterstop steel plate body is equipped with two positioning slots, the inside upper portion of positioning slot is equipped with the slot, the top of positioning plate is equipped with recess, and first spring is installed in the inside of recess, the top of first spring is connected with movable plate, and the movable plate is installed on the top and extends into the slot of the inside of the slot.
[0006] By adopting the above technical scheme, when the plugboard is aligned with the slot, the first spring is stretched to push the movable plate up, and the plugboard is inserted into the inside of the slot, so that the splicing of waterstop steel plate body is completed.
[0007] Further, the outer wall of the positioning plate is provided with a sealing gasket, and the sealing gasket is made of rubber material.
[0008] By adopting the above technical scheme, the sealing gasket can improve the sealing property between the positioning plate and the positioning slot, and prevent water from seeping into the inside of the positioning slot.
[0009] Further, the positioning plate and the positioning slot are adapted.
[0010] By adopting the technical scheme, the water stop steel plate body can be positioned after the positioning plate is inserted into the positioning groove.
[0011] Further, the plug-in plate is matched with the plug-in groove.
[0012] By adopting the technical scheme, the two water stop steel plate bodies can be spliced after the plug-in plate is inserted into the plug-in groove, and subsequent welding of the water stop steel plate body is facilitated.
[0013] Further, the outer wall of the movable plate is attached to the inner wall of the groove, and the plug-in plate is slidably connected with the groove through the movable plate.
[0014] By adopting the technical scheme, the movable plate can move into the groove, which will extrude the first spring and make the first spring be stressed and compressed.
[0015] Further, the second spring is connected with the blocking plate at one end.
[0016] By adopting the technical scheme, the blocking plate will extrude the second spring when moving, so that the second spring is stressed and compressed.
[0017] Further, the outer wall of the blocking plate is attached to the inner wall of the positioning groove, and the blocking plate is slidably connected with the positioning groove.
[0018] By adopting the technical scheme, the blocking plate can slide in the positioning groove, and when the positioning plate is not inserted into the positioning groove, the blocking plate can block the positioning groove to prevent external impurities from entering the positioning groove.
[0019] Further, the positioning groove is further fixed with a top rod at one side.
[0020] By adopting the technical scheme, when the positioning plate is inserted into the positioning groove and one side of the positioning plate is in contact with the top rod, the positioning plate cannot continue to move, and at this time, the plug-in plate is aligned with the plug-in groove.
[0021] Further, the first spring and the second spring are made of stainless steel material.
[0022] By adopting the technical scheme, the first spring and the second spring can be prevented from rusting.
[0023] In summary, the utility model mainly has the following beneficial effects:
[0024] 1. The utility model discloses a positioning slot, positioning plate, slot, plugboard, movable plate, recess and first spring are set up, when needing to splice two water stop steel plates, can the positioning plate of one side of one water stop steel plate is inserted to the positioning slot on another water stop steel plate, and presses the plugboard when inserting, makes the plugboard remove into recess inside and extrudes the first spring, when the positioning plate is inserted to the positioning slot inside and the plugboard is aligned with the slot, the first spring stretches and pushes the movable plate to go up, drives the plugboard to go up, makes the plugboard insert to the slot inside, thereby completes the splicing of water stop steel plate body, then can the water stop steel plate is welded, prevents the water stop steel plate from deviating and influences the welding effect in the welding process, thereby improve the welding efficiency of water stop steel plate,
[0025] 2. The utility model discloses a top rod is set up, when the positioning plate is inserted to the positioning slot inside and one side of positioning plate is contacted with top rod, positioning plate can not continue to move, the plugboard is aligned with the slot at this time, the plugboard is inserted to the slot inside, the sealing board and second spring are set up, when the positioning plate is not inserted to the positioning slot inside, the sealing board is located at the slot mouth position of positioning slot, the sealing board can shield positioning slot at this time, prevents the outside impurity from entering to the positioning slot inside. DRAWINGS
[0026] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;
[0027] Figure 2 It is the whole cross section structure schematic diagram of the utility model;
[0028] Figure 3 It is the water stop steel plate body structure schematic diagram of the utility model;
[0029] Figure 4 It is the positioning plate structure schematic diagram of the utility model;
[0030] Figure 5 It is the plugboard structure schematic diagram of the utility model;
[0031] Figure 6 It is the Figure 2 Enlarged structure schematic diagram of A place in the utility model;
[0032] Figure 7 It is the Figure 3 Enlarged structure schematic diagram of B place in the utility model.
[0033] In the drawing: 1, water stop steel plate body; 2, positioning slot; 3, positioning plate; 4, slot; 5, plugboard; 6, movable plate; 7, recess; 8, first spring; 9, sealing gasket; 10, sealing board; 11, second spring; 12, top rod. DETAILED DESCRIPTION
[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.
[0035] The embodiments of the utility model will be described below according to the overall structure of the utility model.
[0036] Embodiment one:
[0037] A kind of underground tunnel with water stop steel plate, as shown in Fig. Figures 1-7 It includes water stop steel plate body 1, two positioning plates 3 are installed on one side of water stop steel plate body 1, two positioning grooves 2 are set in the other side of water stop steel plate body 1, plug slot 4 is set in the inside upper portion of positioning groove 2, recess 7 is set in the top of positioning plate 3, and first spring 8 is installed in the inside of recess 7, the top of movable plate 6 is connected with the top end of first spring 8, plug plate 5 extending to the inside of plug slot 4 is installed in the top of movable plate 6, when plug plate 5 is aligned with plug slot 4, first spring 8 is stretched to push movable plate 6 to move up, then drive plug plate 5 to move up, so that plug plate 5 is inserted into the inside of plug slot 4, to complete the splicing of water stop steel plate body 1.
[0038] Referring to Figures 2-7 Fig. 5 and Fig. 6, plug plate 5 is matched with plug slot 4, when plug plate 5 is inserted into the inside of plug slot 4, two water stop steel plate bodies 1 can be spliced, which is convenient for subsequent welding of water stop steel plate body 1, the outer wall of positioning plate 3 is provided with sealing gasket 9, and sealing gasket 9 is made of rubber material, the sealing property between positioning plate 3 and positioning groove 2 can be improved by the setting of sealing gasket 9, to prevent water from seeping into the inside of positioning groove 2, positioning plate 3 is matched with positioning groove 2, after positioning plate 3 is inserted into the inside of positioning groove 2, water stop steel plate body 1 can be positioned, the outer wall of movable plate 6 is attached to the inner wall of recess 7, plug plate 5 is slidably connected with recess 7 through movable plate 6, movable plate 6 can move into recess 7, which will extrude first spring 8, so that first spring 8 is compressed under stress.
[0039] Specifically, the inside of positioning groove 2 is provided with second spring 11 on one side, one end of second spring 11 is connected with blocking plate 10, when blocking plate 10 moves, second spring 11 will be extruded, so that second spring 11 is compressed under stress, the outer wall of blocking plate 10 is attached to the inner wall of positioning groove 2, blocking plate 10 is slidably connected with positioning groove 2, blocking plate 10 can slide in the inside of positioning groove 2, and when positioning plate 3 is not inserted into the inside of positioning groove 2, blocking plate 10 can shield positioning groove 2, to prevent external impurities from entering into the inside of positioning groove 2, first spring 8 and second spring 11 are both made of stainless steel material, to prevent first spring 8 and second spring 11 from rusting.
[0040] Embodiment two:
[0041] In the above embodiment, in order to align the plug plate 5 with the plug slot 4, the following structure is provided.
[0042] Referring to Figures 4-6 , the inside of the positioning groove 2 is further fixed with a top rod 12, when the positioning plate 3 is inserted into the inside of the positioning groove 2 and one side of the positioning plate 3 contacts the top rod 12, the positioning plate 3 cannot continue to move, at this time the plug plate 5 is aligned with the plug slot 4, and the plug plate 5 can be accurately clamped into the inside of the plug slot 4.
[0043] The working principle of the utility model is as follows: firstly, when two water stop steel plates need to be spliced, the positioning plate 3 on one side of one water stop steel plate is inserted into the positioning groove 2 on the other water stop steel plate, and the plug plate 5 is pressed during insertion, so that the plug plate 5 moves into the recess 7 and extrudes the first spring 8, when the positioning plate 3 is inserted into the inside of the positioning groove 2 and one side of the positioning plate 3 contacts the top rod 12, the positioning plate 3 cannot continue to move, at this time the plug plate 5 is aligned with the plug slot 4, after the plug plate 5 is aligned with the plug slot 4, the first spring 8 is stretched and pushes the movable plate 6 upwards, and then drives the plug plate 5 to move upwards, so that the plug plate 5 is inserted into the inside of the plug slot 4, thereby completing the splicing of the water stop steel plate body 1, then the water stop steel plate can be welded, so as to prevent the water stop steel plate from deviating during welding and affecting the welding effect.
[0044] If the positioning plate 3 is not inserted into the inside of the positioning groove 2, the blocking plate 10 is located at the slot opening position of the positioning groove 2, at this time the blocking plate 10 can shield the positioning groove 2, preventing external impurities from entering the inside of the positioning groove 2.
[0045] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and those skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.
Claims
1. A waterstop steel plate for an underground tunnel, comprising a waterstop steel plate body (1), characterized by: The side of the water stop steel plate body (1) is provided with two positioning plates (3), the other side of the water stop steel plate body (1) is provided with two positioning grooves (2), the inside of the positioning groove (2) is provided with a slot (4) above, the top of the positioning plate (3) is provided with a groove (7), the inside of the groove (7) is provided with a first spring (8), the top end of the first spring (8) is connected with a movable plate (6), the top of the movable plate (6) is provided with an insertion plate (5) extending into the slot (4).
2. The waterstop steel sheet for underground tunnels according to claim 1, characterized by: The outer wall of the positioning plate (3) is provided with a sealing gasket (9), and the sealing gasket (9) is made of rubber material.
3. The waterstop steel sheet for underground tunnels according to claim 1, characterized by: The positioning plate (3) is matched with the positioning groove (2).
4. The waterstop steel sheet for underground tunnels according to claim 1, characterized by: The insertion plate (5) is matched with the slot (4).
5. The waterstop steel sheet for underground tunnels according to claim 1, characterized by: The outer wall of the movable plate (6) is matched with the inner wall of the groove (7), and the insertion plate (5) is slidably connected with the groove (7) through the movable plate (6).
6. The waterstop steel sheet for underground tunnels according to claim 1, characterized by: The inside of the positioning groove (2) is provided with a second spring (11) on one side, and one end of the second spring (11) is connected with a blocking plate (10).
7. The waterstop steel sheet for underground tunnels according to claim 6, characterized by: The outer wall of the blocking plate (10) is matched with the inner wall of the positioning groove (2), and the blocking plate (10) is slidably connected with the positioning groove (2).
8. The waterstop steel sheet for underground tunnels according to claim 1, characterized by: The inside of the positioning groove (2) is further provided with a top rod (12) on one side.
9. The waterstop steel sheet for underground tunnels according to claim 6, characterized by: The first spring (8) and the second spring (11) are made of stainless steel material.