Supporting structure for roadbed stone blasting
By designing a support structure for blasting of the roadbed, including the base plate, rotating shaft, support plate, support frame, chute, insertion rod, locking rack and extrusion spring, the problems of inconvenience in use and poor practicality of the existing devices are solved, and a more stable and convenient support effect is achieved.
Patent Information
- Application Number
- CN202421645257.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-12
AI Technical Summary
The existing support device for blasting of the roadbed requires continuous rotation of the adjustment baffle during use, which leads to inconvenience in use, and the vertical anchor rod is prone to abnormal movement when the baffle is impacted, which reduces the practicality of the device.
A support structure including a base plate, a rotating shaft, a support plate, a support frame, a chute, a plug rod, a locking rack and an extrusion spring is designed. Through the combination of these components, the double-layer support of the support plate and the stable fixation of the base plate are achieved.
This support structure makes the installation of the support device more convenient and quick, and the support plate can be stably connected to the ground when impacted, which significantly improves the practicality of the device.
Smart Images

Figure CN222849918U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of roadbed stone support, in particular to a support structure used for roadbed stone blasting. Background Art
[0002] In railway or highway construction, the development and excavation of roadbeds mainly adopts blasting method. The energy generated by explosive blasting makes this method efficient and convenient. The rock is broken by the shock wave generated by the blasting and the pressure generated by the gas expansion. After the excavation and blasting, the roadbed needs to be protected from the slope.
[0003] Publication No. CN217811105U discloses a supporting device for roadbed stone blasting, comprising a base; anchor rods are welded around the bottom side of the base, a baffle is movably connected to the side edge of the left side of the base through a movable shaft, a first fixing seat is arranged on the right side of the upper end of the baffle, a second fixing seat is arranged on the right end of the upper side of the base and is located in the same horizontal plane as the first fixing seat, the inner sides of the first fixing seat and the second fixing seat are rotatably connected with a rotating shaft respectively, movable columns are welded on the sides of the rotating shaft, screw holes are opened on the inner sides of the movable columns, screw rods are detachably installed in the screw holes, an adjusting bolt is welded on the middle part of the screw rod, and the first fixing seat and the second fixing seat are respectively provided with no less than three. The supporting device for roadbed stone blasting has a simple structure, low production cost, more convenient operation, and can better meet the existing use needs, but the patent still has the following problems in actual use:
[0004] The device realizes the extension and retraction of the support device by means of setting movable columns, screws and adjusting bolts, but needs to be constantly rotated during use to adjust the baffle, which makes the use of the support device inconvenient. In addition, the setting of the vertical anchor rods makes it easy for the bottom plate to cause the anchor rods to move abnormally when the baffle is impacted, resulting in poor practicality of the support device.
[0005] A supporting structure for roadbed rock blasting is proposed to solve the above problems. Utility Model Content
[0006] The purpose of the utility model is to provide a support structure for roadbed stone blasting, so as to solve the problem proposed in the above background technology that the current device realizes the extension and retraction of the support device by setting movable columns, screws and adjusting bolts, but needs to be continuously rotated during use to adjust the baffle, which makes the use of the support device inconvenient, and the setting of the vertical anchor rod, when the baffle is impacted, the bottom plate is still easy to drive the anchor rod to move abnormally, thus resulting in the problem of poor practicality of the support device.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a supporting structure for roadbed stone blasting, comprising a bottom plate;
[0008] Also includes:
[0009] A rotating shaft 1 is arranged on one side of the bottom plate, a supporting plate is arranged on one side of the rotating shaft 1, a rotating shaft 2 is arranged on one side of the supporting plate, a supporting frame is arranged on one side of the rotating shaft 2, an inclined groove is arranged on the other side of the bottom plate, and a limiting block is arranged on one side of the inclined groove;
[0010] Wherein, a plug rod is provided on one side of the inclined slot, a connecting plate is provided on one side of the plug rod, a mounting plate is provided on one side of the connecting plate, an adjusting ruler is provided on one side of the mounting plate, and a locking rack is provided on the other side of the connecting plate;
[0011] Among them, a locking tooth block is arranged on one side of the locking rack, and an extrusion spring is arranged on one side of the locking tooth block, and a support rod is arranged on one side of the extrusion spring, and a limiting groove is arranged on one side of the support rod, and a support plate is arranged on the other side of the support rod.
[0012] Preferably, one end of the base plate is rotatably connected to a rotating shaft one, and one side of the rotating shaft one is rotatably connected to a support plate, and one end of the support plate is rotatably connected to a rotating shaft two, and one side of the rotating shaft two is rotatably connected to a support frame, and an inclined groove is provided on one side of the top of the base plate, and a limiting block is fixedly connected to the other side of the top of the base plate to facilitate the rotation of the support plate.
[0013] Preferably, the top of the insertion rod is fixedly connected to a connecting plate, and one side of the top of the connecting plate is fixedly connected to a mounting plate, and one side of the top of the connecting plate is fixedly connected to an adjusting ruler, and one side of the connecting plate is fixedly connected to a locking rack, which facilitates the fixation of the bottom plate and the connecting plate.
[0014] Preferably, one side of the locking tooth block is fixedly connected to a compression spring, and one side of the compression spring is fixedly connected to a support rod, and a limiting groove is provided in the middle of the bottom of the support rod, and one side of the top of the support rod is rotatably connected to a support plate to facilitate the resetting of the locking tooth block.
[0015] Preferably, the bottom of the support frame overlaps the upper end of the adjusting ruler to facilitate positioning of the support frame.
[0016] Preferably, the bottom of the connecting plate is plugged into the middle of the inclined groove through an insert rod, and the locking racks are symmetrically fixedly connected to both sides of the connecting plate to facilitate the fixation of the bottom plate.
[0017] Preferably, the support rod is slidably connected to the upper end of the limit block through a limit groove, and the locking tooth block is engaged with the locking rack, and the top surface of the support plate overlaps the bottom surface of the supporting plate, which is convenient for limiting the support rod.
[0018] Compared with the prior art, the beneficial effects of the utility model are: the support structure for roadbed stone blasting is convenient for double-layer support of the support plate, and when in use, the installation of the support device is more convenient and quick, and it is convenient to fix the bottom plate in an inclined manner by inserting rods. When the support plate is impacted, the bottom plate can be stably connected to the ground, making the support device more practical. The specific contents are as follows:
[0019] 1. The support device is convenient for double-layer support of the support plate by arranging the support frame, the adjustment ruler, the locking rack, the locking tooth block, the extrusion spring and the support plate, and when in use, the support plate and the support frame can be installed by rotating and pushing, so that the installation of the support device is more convenient and quick, and thus the support device is more practical;
[0020] 2. The support device is provided with connecting plates, plug rods, inclined grooves and mounting plates, so that the bottom plate can be fixed obliquely by the plug rods. When the support plate is impacted, the bottom plate can be stably connected to the ground, thereby improving the stability of the support device and making the support device more practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a side view of the front section structure of the utility model;
[0022] Figure 2 This is a rear view of the overall structure of the utility model;
[0023] Figure 3 This is a rear view of the support plate structure of the utility model;
[0024] Figure 4 This is a schematic diagram of the support frame structure of the utility model;
[0025] Figure 5 This is a schematic diagram of the cross-sectional structure of the support rod of the utility model;
[0026] Figure 6 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at point A in the middle.
[0027] In the figure: 1. bottom plate; 2. rotating shaft 1; 3. supporting plate; 4. rotating shaft 2; 5. supporting frame; 6. inclined groove; 7. inserting rod; 8. connecting plate; 9. mounting plate; 10. adjusting ruler; 11. locking rack; 12. locking gear block; 13. extrusion spring; 14. supporting rod; 15. limiting groove; 16. limiting block; 17. supporting plate. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] See also Figure 1-6 The utility model provides a technical solution: a support structure for roadbed stone blasting, comprising a base plate 1; further comprising: a rotating shaft 2 is provided on one side of the base plate 1, and a supporting plate 3 is provided on one side of the rotating shaft 2, and a rotating shaft 2 4 is provided on one side of the supporting plate 3, and a supporting frame 5 is provided on one side of the rotating shaft 2 4, and an inclined groove 6 is provided on the other side of the base plate 1, and a limiting block 16 is provided on one side of the inclined groove 6; one end of the base plate 1 is rotatably connected to the rotating shaft 2, and one side of the rotating shaft 2 is rotatably connected to the supporting plate 3, and one end of the supporting plate 3 is rotatably connected to the rotating shaft 2 4, and one side of the rotating shaft 2 4 is rotatably connected to the supporting frame 5, and an inclined groove 6 is provided on one side of the top of the base plate 1, and the other side of the top of the base plate 1 is fixedly connected to the limiting block 16; the bottom of the supporting frame 5 overlaps with the upper end of the adjusting ruler 10, such as Figure 1 , 2 As shown in Figures 3 and 4, by setting the inclined groove 6, it is convenient to position the insertion rod 7 for installation, and by means of rotating axis 1 2 and rotating axis 2 4, the adjustment of the support device is more convenient and quick, and the support of the support plate 3 is achieved through the support frame 5, thereby making the support device more practical.
[0030] Among them, a plug rod 7 is provided on one side of the inclined groove 6, and a connecting plate 8 is provided on one side of the plug rod 7, and a mounting plate 9 is provided on one side of the connecting plate 8, and an adjusting ruler 10 is provided on one side of the mounting plate 9, and a locking rack 11 is provided on the other side of the connecting plate 8; the top of the plug rod 7 is fixedly connected to the connecting plate 8, and one side of the top of the connecting plate 8 is fixedly connected to the mounting plate 9, and one side of the top of the connecting plate 8 is fixedly connected to the adjusting ruler 10, and one side of the connecting plate 8 is fixedly connected to the locking rack 11; the bottom of the connecting plate 8 is plugged into the middle of the inclined groove 6 through the plug rod 7, and the locking rack 11 is symmetrically fixedly connected to both sides of the connecting plate 8, such as Figure 1 , 2 As shown in Figure 6, the insertion rod 7 is fixedly connected to the bottom of the connecting plate 8 at an angle, which is convenient for the stable connection between the base plate 1 and the ground, and also convenient for positioning the connecting plate 8, so as to facilitate the locking of the locking tooth block 12 by the locking rack 11, thereby realizing the stable installation of the support rod 14, and the support rod 14 can be disassembled by pulling up the support rod 14, making the disassembly and assembly of the support rod 14 more convenient and quick, thereby making the device more practical.
[0031] Among them, a locking tooth block 12 is provided on one side of the locking rack 11, and a squeezing spring 13 is provided on one side of the locking tooth block 12, and a support rod 14 is provided on one side of the squeezing spring 13, and a limiting groove 15 is provided on one side of the support rod 14, and a support plate 17 is provided on the other side of the support rod 14; a squeezing spring 13 is fixedly connected to one side of the locking tooth block 12, and a supporting rod 14 is fixedly connected to one side of the squeezing spring 13, and a limiting groove 15 is provided in the middle of the bottom of the supporting rod 14, and a supporting plate 17 is rotatably connected to one side of the top of the supporting rod 14; the supporting rod 14 is slidably connected to the upper end of the limiting block 16 through the limiting groove 15, and the locking tooth block 12 is engaged with the locking rack 11, and the top surface of the support plate 17 overlaps with the bottom surface of the supporting plate 3, as shown in FIG. Figure 1 , 2 As shown in the figure, the adjusting ruler 10, the locking rack 11 and the locking tooth block 12 are arranged as inclined tooth blocks, which are convenient for limiting the position of the support frame 5, and for locking the position of the support rod 14 by the engagement of the locking rack 11 and the locking tooth block 12. The limiting groove 15 and the limiting block 16 facilitate the stable installation of the support rod 14, and the support plate 3 is supported by the support plate 17 for secondary support, thereby making the support device more practical.
[0032] Working principle: When using the supporting device, first, connect the connecting plate 8 with the inclined groove 6 through the plug rod 7, make the plug rod 7 fit with the ground, and connect the plug rod 7 with the ground by knocking the mounting plate 9.
[0033] Secondly, connect the support rod 14 with the limit block 16 through the limit groove 15, and push the support rod 14 to make the support rod 14 slide on the limit block 16, and at the same time make the locking tooth block 12 on one side of the support rod 14 slide on the locking rack 11. At this time, the extrusion spring 13 contracts and then immediately resets to make the locking tooth block 12 engage with the locking rack 11, and make the support plate 17 fit the ground of the support plate 3. At this time, the support plate 3 rotates on one end of the base plate 1 through the rotating shaft 2.
[0034] Finally, the support frame 5 is rotated so that the support frame 5 is rotated on the supporting plate 3 through the rotating shaft 2 4 , and the bottom end of the support frame 5 is engaged with the upper end of the adjusting ruler 10 .
[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A support structure for roadbed rock blasting, comprising a base plate (1); It is characterized in that Also includes: A rotating shaft 1 (2) is provided on one side of the bottom plate (1), a supporting plate (3) is provided on one side of the rotating shaft 1 (2), a rotating shaft 2 (4) is provided on one side of the supporting plate (3), a supporting frame (5) is provided on one side of the rotating shaft 2 (4), an inclined groove (6) is provided on the other side of the bottom plate (1), and a limiting block (16) is provided on one side of the inclined groove (6); Wherein, an insertion rod (7) is provided on one side of the inclined groove (6), a connecting plate (8) is provided on one side of the insertion rod (7), a mounting plate (9) is provided on one side of the connecting plate (8), an adjusting ruler (10) is provided on one side of the mounting plate (9), and a locking rack (11) is provided on the other side of the connecting plate (8); A locking tooth block (12) is provided on one side of the locking rack (11), a pressing spring (13) is provided on one side of the locking tooth block (12), a supporting rod (14) is provided on one side of the pressing spring (13), a limiting groove (15) is provided on one side of the supporting rod (14), and a supporting plate (17) is provided on the other side of the supporting rod (14).
2. A supporting structure for roadbed rock blasting according to claim 1, characterized in that: One end of the base plate (1) is rotatably connected to a rotating shaft 1 (2), and one side of the rotating shaft 1 (2) is rotatably connected to a supporting plate (3), and one end of the supporting plate (3) is rotatably connected to a rotating shaft 2 (4), and one side of the rotating shaft 2 (4) is rotatably connected to a supporting frame (5), and an inclined groove (6) is provided on one side of the top of the base plate (1), and a limiting block (16) is fixedly connected to the other side of the top of the base plate (1).
3. A supporting structure for roadbed rock blasting according to claim 1, characterized in that: The top end of the insertion rod (7) is fixedly connected to a connecting plate (8), one side of the top end of the connecting plate (8) is fixedly connected to a mounting plate (9), one side of the top of the connecting plate (8) is fixedly connected to an adjusting ruler (10), and one side of the connecting plate (8) is fixedly connected to a locking rack (11).
4. A supporting structure for roadbed rock blasting according to claim 1, characterized in that: One side of the locking tooth block (12) is fixedly connected to a compression spring (13), and one side of the compression spring (13) is fixedly connected to a support rod (14), a limiting groove (15) is provided in the middle of the bottom of the support rod (14), and one side of the top of the support rod (14) is rotatably connected to a support plate (17).
5. A supporting structure for roadbed rock blasting according to claim 2, characterized in that: The bottom of the support frame (5) overlaps the upper end of the adjustment ruler (10).
6. A supporting structure for roadbed rock blasting according to claim 3, characterized in that: The bottom of the connecting plate (8) is plugged into the middle of the inclined groove (6) via an inserting rod (7), and the locking racks (11) are symmetrically fixedly connected to both sides of the connecting plate (8).
7. A supporting structure for roadbed rock blasting according to claim 4, characterized in that: The support rod (14) is slidably connected to the upper end of the limit block (16) via the limit groove (15), the locking tooth block (12) is engaged with the locking rack (11), and the top surface of the support plate (17) overlaps the bottom surface of the support plate (3).
Citation Information
Patent Citations
Supporting device for roadbed stone blasting
CN217811105U