Safety protection device for manual hole digging

Abstract

The utility model relates to a safety protection device for manual hole digging. The protection device comprises an end cover, a supporting component, a telescopic assembly, a telescopic driving mechanism and an abutting plate. The end cover is of a circular structure; the supporting part is fixedly arranged on the end cover, and the multiple telescopic assemblies are arranged in the circumferential direction of the supporting part or the telescopic driving mechanism; the abutting plate is arranged at the tail end of the telescopic assembly and can telescopically move along with the telescopic assembly. The telescopic driving mechanism is arranged on the supporting component and connected with the telescopic assembly so as to drive the telescopic assembly to move in a telescopic mode in the horizontal direction. The protection device provided by the utility model is simple and practical in structural design, can fixedly cover the ground surface of a manually dug hole, solves the problem that the end cover is easy to deviate, enables the whole safety protection to be more effective, and can be suitable for holes with different hole diameters.

Description

TECHNICAL FIELD

[0001] The application relates to an artificial hole digging safety protection device and belongs to the technical field of safety protection. BACKGROUND

[0002] As shown in Figure 1 , Figure 2 , most of the existing artificial hole digging safety protection devices are a protective cover on the ground surface of a hole to prevent personnel or objects from falling into the hole, thereby meeting the construction requirements. However, the protective cover can only be covered on the ground surface of the hole and cannot be fixed on the ground surface of the hole, which leads to the fact that the protective cover is easy to deviate from the hole and causes protection failure and safety hazards.

[0003] Therefore, the existing technology needs an artificial hole digging safety protection device to meet the safety protection. CONTENT OF THE UTILITY MODEL

[0004] The application aims to design an artificial hole digging safety protection device to solve the problem that the existing artificial hole digging ground protection is easy to move.

[0005] The application relates to an artificial hole digging safety protection device, which comprises an end cover, a support component, a telescopic assembly, a telescopic driving mechanism and a resisting plate. The end cover is in a circular structure. The support component is fixedly arranged on the end cover. A plurality of telescopic assemblies are arranged on the circumference of the support component or the telescopic driving mechanism. The resisting plate is arranged at the end of the telescopic assembly and can move telescopically with the telescopic assembly. The telescopic driving mechanism is arranged on the support component and connected with the telescopic assembly to drive the telescopic assembly to move telescopically in the horizontal direction.

[0006] In some embodiments, the telescopic assembly comprises a support sleeve and a telescopic rod. The support sleeve is fixedly arranged on the circumference of the support component or the telescopic driving mechanism in the horizontal direction. The telescopic rod is telescopically arranged on the support sleeve. The resisting plate is fixedly arranged at the end of the telescopic rod. The telescopic driving mechanism is connected with the telescopic rod to drive the telescopic rod to move telescopically in the support sleeve.

[0007] In some embodiments, the telescopic driving mechanism comprises an inner screw rod, an outer screw rod and a connecting rod. The outer screw rod is arranged in the support component in the vertical direction. The inner screw rod is arranged in the outer screw rod and protrudes out of the outer screw rod. The inner screw rod and the outer screw rod are coaxially arranged and are threadedly connected with each other. One end of the connecting rod is movably connected with the end of the inner screw rod protruding out of the outer screw rod, and the other end of the connecting rod is hingedly connected with the telescopic rod.

[0008] In some embodiments, the end of the inner screw rod protruding out of the outer screw rod is provided with a cylindrical section, and a connecting sleeve is arranged on the cylindrical section. The connecting sleeve is sleeved on the cylindrical section and can move reciprocally on the cylindrical section. One end of the connecting rod is hingedly connected with the connecting sleeve.

[0009] In some embodiments, the end of the cylindrical segment is further provided with a limiting bolt; the head of the limiting bolt has an outer diameter greater than the inner diameter of the connecting sleeve, so as to limit the disengagement of the connecting sleeve from the cylindrical segment.

[0010] In some embodiments, the support component comprises a fixing sleeve fixedly arranged at the bottom of the end cover in the vertical direction; the outer screw rod is arranged in the fixing sleeve and extends out of the fixing sleeve; the outer screw rod is coaxially arranged with the fixing sleeve and is threadedly connected with each other; the end of the outer screw rod extending out of the fixing sleeve is provided with a connecting portion; and a plurality of support sleeves are fixedly arranged on the circumference of the connecting portion.

[0011] In some embodiments, the top end of the inner screw rod is provided with a rotating ring fixedly arranged at the top of the inner screw rod; and the outer screw rod is further provided with a rotating handle fixedly arranged on the side of the end cover.

[0012] In some embodiments, the center of the end cover is provided with a positioning seat; the fixing sleeve is fixedly arranged on the bottom surface of the positioning seat; the upper end surface of the positioning seat is provided with a limiting ring; the outer screw rod is provided with a rotating tooth threadedly connected with the outer screw rod; the bottom of the rotating tooth is provided with an annular groove; and the rotating tooth is threadedly connected with the limiting ring through the annular groove, so as to rotate around the vertical axis on the limiting ring.

[0013] In some embodiments, the telescopic assembly comprises two groups or three groups.

[0014] In some embodiments, the resisting plate is an arc-shaped plate.

[0015] In some embodiments, the end cover is a circular plate or a circular frame.

[0016] In some embodiments, the materials of the end cover, the support component, the telescopic assembly, the telescopic driving mechanism and the resisting plate are steel respectively.

[0017] The artificial hole digging safety protection device provided in the present application has the following technical advantages:

[0018] (1) The artificial hole digging safety protection device provided in the present application can realize telescopic positioning through the design of the telescopic assembly, the telescopic driving mechanism and the resisting plate, so as to limit the movement of the end cover and avoid the failure of the protection device.

[0019] (2) The artificial hole digging safety protection device provided in the present application can adjust the positioning inner diameter and depth, meet the positioning of different holes and has high applicability.

[0020] (3) The artificial hole digging safety protection device provided in the present application is convenient to use and simple to operate. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a schematic diagram of the prior art artificial hole digging pile construction.

[0022] Figure 2 Is the prior art artificial excavation safety protection structure schematic diagram.

[0023] Figure 3 Is a kind of artificial excavation safety protection device using schematic diagram of the application.

[0024] Figure 4 Is a kind of artificial excavation safety protection device schematic diagram of the application Figure 1 .

[0025] Figure 5 Is a kind of artificial excavation safety protection device schematic diagram of the application Figure 2 .

[0026] Figure 6 Is a kind of artificial excavation safety protection device schematic diagram of the application Figure 3 .

[0027] Figure 7 Is a kind of Figure 6 Local A enlarged schematic diagram of the application.

[0028] Figure 8 Is a kind of artificial excavation safety protection device embodiment one schematic diagram of the application.

[0029] Figure 9 Is a kind of Figure 8 Local B enlarged schematic diagram of the application.

[0030] Figure 10 Is a kind of artificial excavation safety protection device embodiment two schematic diagram of the application Figure 1 .

[0031] Figure 11 Is a kind of artificial excavation safety protection device embodiment two schematic diagram of the application Figure 2 .

[0032] Figure 12 Is a kind of artificial excavation safety protection device embodiment two schematic diagram of the application Figure 3 .

[0033] Figure 13 Is a kind of artificial excavation safety protection device embodiment two schematic diagram of the application Figure 4 .

[0034] Figure 14 Is a kind of Figure 13 Local C enlarged schematic diagram of the application.

[0035] Figure 15 Is a kind of rotating tooth structure schematic diagram of the application.

[0036] Figure 16Figure 2 is a schematic view of a second embodiment of the artificial excavation safety protection device of the present application Figure 5 .

[0037] Figure 17 Figure 3 is a sectional view of the second embodiment of the artificial excavation safety protection device of the present application

[0038] Figure 18 Figure 4 is a schematic view of a third embodiment of the artificial excavation safety protection device of the present application Figure 17 Figure 5 is an enlarged view of a portion E of the third embodiment of the artificial excavation safety protection device of the present application

[0039] Figure 19 Figure 6 is an enlarged view of a portion F of the third embodiment of the artificial excavation safety protection device of the present application Figure 17 Figure 7 is a schematic view of a fourth embodiment of the artificial excavation safety protection device of the present application

[0040] In the figure: 1, protection device; 11, end cap; 12, inner screw rod; 13, fixed sleeve; 131, positioning seat; 132, limiting ring; 14, outer screw rod; 141, rotating hand lever; 142, connecting portion; 15, abutting plate; 16, support sleeve; 17, connecting rod; 18, connecting sleeve; 19, rotating ring; 2, hole; 3, limiting bolt; 4, telescopic rod; 5, rotating tooth; 51, annular groove. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical scheme and advantages of the present application more clear, the embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other arbitrarily without conflict. Those skilled in the art can understand that the artificial excavation safety protection device of the present application is mainly used for the safety protection of the existing artificial excavation on the ground.

[0042] As Figures 3-19As shown, the artificial hole digging safety protection device provided in the present application can be used for the on-site safety protection of the existing artificial hole digging. Specifically, the protection device 1 comprises an end cover 11, a support component, a telescopic assembly, a telescopic driving mechanism and a resisting plate 15. The end cover 11 is a circular structure, and its diameter can be designed according to the needs, and can be integrally covered on the ground surface of the hole 2. Further, the support component is fixedly arranged on the end cover 11, and the telescopic driving mechanism is arranged on the support component. A plurality of telescopic assemblies are arranged on the circumferences of the support component or the telescopic driving mechanism. Further, the resisting plate 15 is arranged at the end of the telescopic assembly and can be telescopically moved with the telescopic assembly, so as to be abutted on the side wall in the hole 2 after being expanded, thereby limiting the movement of the entire protection device 1 and playing a fixed protection role. Specifically, the telescopic driving mechanism is arranged on the support component and connected with the telescopic assembly, so as to drive the telescopic assembly to telescopically move in the horizontal direction, so that the resisting plate 15 on the telescopic assembly is abutted on the side wall in the hole 2. The protection device provided in the present application has a simple and practical structure design, can be fixedly covered on the ground surface of the hole of the artificial hole digging, solves the problem that the end cover is easy to deviate, makes the entire safety protection more effective, and can be suitable for holes with different diameters.

[0043] Preferably, in combination with the above-mentioned scheme, as Figures 6-9 As shown, in the present embodiment, the telescopic assembly comprises a support sleeve 16 and a telescopic rod 4. The support sleeve 16 is fixedly arranged on the circumferences of the support component or the telescopic driving mechanism in the horizontal direction, so as to support the telescopic rod 4. Further, the telescopic rod 4 is telescopically arranged on the support sleeve 16, so as to meet the fixing needs of holes with different diameters. Further, the resisting plate 15 is fixedly arranged at the end of the telescopic rod 4 and can be telescopically moved with the telescopic rod 4, so as to be abutted on the inner wall of the hole 2. Further, the telescopic driving mechanism is connected with the telescopic rod 4, so as to drive the telescopic rod 4 to telescopically move in the support sleeve 16, thereby driving the resisting plate 15 to be expanded. The structure design is relatively simple and practical.

[0044] Preferably, in combination with the above-mentioned scheme, as Figures 8-9 , Figure 18As shown, in the embodiment, the telescopic driving mechanism comprises an inner screw rod 12, an outer screw rod 14 and a connecting rod 17; the outer screw rod 14 is arranged in the support component along the vertical direction; the inner screw rod 12 is arranged in the outer screw rod 14 and extends out of the outer screw rod 14; the inner screw rod 12 and the outer screw rod 14 are coaxially arranged and are threadedly connected with each other to realize the telescopic function. Further, one end of the connecting rod 17 is movably connected with the end of the inner screw rod 12 extending out of the outer screw rod 14, and the other end of the connecting rod 17 is hingedly connected with the telescopic rod 4. By the above scheme, the telescopic movement of the inner screw rod 12 in the outer screw rod 14 can drive the connecting rod 17 to telescopically move along the vertical direction, and at the same time, the connecting rod 17 can drive the telescopic rod 4 to telescopically move along the horizontal direction in the support sleeve 16, so as to adjust the positioning width of the stop plate 15, i.e. the inner diameter of the hole, and the use is more flexible.

[0045] Preferably, in combination with the above scheme, as shown in Figures 6-9 As shown, in the embodiment, the end of the inner screw rod 12 extending out of the outer screw rod 14 is provided with a cylindrical section, and the cylindrical section is provided with a connecting sleeve 18; the connecting sleeve 18 is sleeved on the cylindrical section and can reciprocate on the cylindrical section, so as to realize the up-down buffering. Specifically, the inner diameter of the connecting sleeve 18 is smaller than the outer diameter of the thread on the inner screw rod 12, so as to avoid telescopic failure; further, one end of the connecting rod 17 is hingedly connected with the connecting sleeve 18 and moves together with the connecting sleeve 18, so as to realize the telescopic expansion function.

[0046] Preferably, in combination with the above scheme, as shown in Figures 7-11 , Figure 19 As shown, in the embodiment, the end of the cylindrical section is further provided with a limiting bolt 3; specifically, the limiting bolt 3 is threadedly connected at the end of the cylindrical section, and the head of the limiting bolt 3 has an outer diameter larger than the inner diameter of the connecting sleeve 18, so as to limit the connecting sleeve 18 from being separated from the cylindrical section. The limiting structure is simple in design and convenient for disassembly, adjustment and replacement.

[0047] Preferably, in combination with the above scheme, as shown in Figures 8-9 As shown, in the embodiment, the support component comprises a fixed sleeve 13, which is fixedly arranged at the bottom of the end cover 11 along the vertical direction and is used for mounting and supporting the telescopic driving mechanism. Further, the outer screw rod 14 is arranged in the fixed sleeve 13 and extends out of the fixed sleeve 13. Specifically, the outer screw rod 14 is coaxially arranged with the fixed sleeve 13 and is threadedly connected with the fixed sleeve 13, so as to adjust the depth of the outer screw rod 14 at the bottom of the end cover 11, thereby adapting to the positioning requirements of cavities with different depths. Further, the end of the outer screw rod 14 extending out of the fixed sleeve 13 is provided with a connecting portion 142; specifically, a plurality of support sleeves 16 are uniformly fixedly arranged on the circumference of the connecting portion 142 and move together with the connecting portion 142 along the vertical direction, so as to adjust the positioning depth. The structure of the present application is flexible in design and convenient for adjustment.

[0048] Preferably, in combination with the above-mentioned scheme, as shown in Figure 8 In this embodiment, the top end of the inner screw rod 12 is provided with a rotating ring 19, which is fixedly arranged on the top of the inner screw rod 12 and can rotate with the inner screw rod 12, so that the inner screw rod 12 can be rotated by manually rotating the rotating ring 19. Further, the outer screw rod 14 is also provided with a rotating handle 141, which is fixedly arranged on the outer screw rod 14 on the side of the end cover 11 and can rotate with the outer screw rod 14, so that the outer screw rod 14 can be rotated by manually rotating the rotating handle 141. The above-mentioned scheme can be adjusted manually and is convenient to operate.

[0049] Preferably, in combination with the above-mentioned scheme, as shown in Figures 11-18 In this embodiment, the center of the end cover 11 is fixedly provided with a positioning seat 131, and the fixed sleeve 13 is fixedly arranged on the bottom surface of the positioning seat 131. Further, the upper end surface of the positioning seat 131 is provided with a limiting ring 132; further, the outer screw rod 14 is sleeved with a rotating tooth 5, which is threadedly connected with the outer screw rod 14; further, the bottom of the rotating tooth 5 is provided with an annular groove 51; specifically, the rotating tooth 5 is connected with the limiting ring 132 through the annular groove 51 and can rotate around the vertical axis on the limiting ring 132. Specifically, the annular groove 51 is sleeved on the limiting ring 132 and realizes the rotating function.

[0050] Preferably, in combination with the above-mentioned scheme, as shown in Figure 4 , 6 In this embodiment, in order to realize positioning and economy, the telescopic assembly preferably includes two or three groups, so that telescopic positioning can be realized in different directions. Further, the resisting plate 15 is an arc-shaped plate, which is adapted to the arc-shaped surface of the inner wall of the hole and is fixed more firmly. Further, the end cover is a circular plate or a circular frame, which is preferably formed by welding steel bars.

[0051] Preferably, in combination with the above-mentioned scheme, as shown in Figures 1-18 In this embodiment, the materials of the end cover 11, the supporting component, the telescopic assembly, the telescopic driving mechanism and the resisting plate 15 are steel, so that the force can be conveniently borne and the fixing is relatively firm.

[0052] The artificial hole digging safety protection device has the following technical advantages:

[0053] (1) The artificial hole digging safety protection device can realize telescopic positioning by designing the telescopic assembly, the telescopic driving mechanism and the resisting plate, so as to limit the movement of the end cover and avoid the failure of the protection device.

[0054] (2) The artificial hole digging safety protection device can adjust the positioning inner diameter and depth, meets the positioning of different holes, and has high applicability.

[0055] (3) The artificial hole digging safety protection device is convenient to use and simple to operate.

[0056] Although the embodiments disclosed in the present application are as above, the content described is only for the purpose of facilitating the understanding of the present application, and is not intended to limit the present application. Any person skilled in the art to which the present application belongs can make any modification and change in the form and details without departing from the spirit and scope of the present application. The patent protection scope of the present application shall be subject to the scope defined by the appended claims.

Claims

1. A safety shield for hand-dug holes, characterised in that, The protection device (1) comprises an end cover (11), a support component, a telescopic assembly, a telescopic driving mechanism and a stop plate (15); the end cover (11) is a circular structure; the support component is fixedly arranged on the end cover (11); a plurality of telescopic assemblies are arranged on the circumferences of the support component or the telescopic driving mechanism; the stop plate (15) is arranged at the end of the telescopic assembly and can move telescopically with the telescopic assembly; and the telescopic driving mechanism is arranged on the support component and connected with the telescopic assembly to drive the telescopic assembly to move telescopically in the horizontal direction.

2. The artificial excavation safety shield of claim 1, wherein, The telescopic assembly comprises a support sleeve (16) and a telescopic rod (4); the support sleeve (16) is fixedly arranged on the circumferences of the support component or the telescopic driving mechanism in the horizontal direction; the telescopic rod (4) is telescopically arranged on the support sleeve (16); the stop plate (15) is fixedly arranged at the end of the telescopic rod (4); and the telescopic driving mechanism is connected with the telescopic rod (4) to drive the telescopic rod (4) to move telescopically in the support sleeve (16).

3. The artificial excavation safety shield of claim 2, wherein, The telescopic driving mechanism comprises an inner screw rod (12), an outer screw rod (14) and a connecting rod (17); the outer screw rod (14) is arranged in the support component in the vertical direction; the inner screw rod (12) is arranged in the outer screw rod (14) and penetrates out of the outer screw rod (14); the inner screw rod (12) and the outer screw rod (14) are coaxially arranged and threadedly connected with each other; and one end of the connecting rod (17) is movably connected with one end of the inner screw rod (12) penetrating out of the outer screw rod (14), and the other end of the connecting rod (17) is hingedly connected with the telescopic rod (4).

4. The artificial excavation safety shield of claim 3, wherein, One end of the inner screw rod (12) penetrating out of the outer screw rod (14) is provided with a cylindrical section, and a connecting sleeve (18) is arranged on the cylindrical section; the connecting sleeve (18) is sleeved on the cylindrical section and can reciprocate on the cylindrical section; and one end of the connecting rod (17) is hingedly connected with the connecting sleeve (18).

5. The artificial excavation safety shield of claim 4, wherein, The end of the cylindrical section is further provided with a limiting bolt (3); the head of the limiting bolt (3) has an outer diameter greater than the inner diameter of the connecting sleeve (18) to limit the connecting sleeve (18) from being separated from the cylindrical section.

6. The artificial excavation safety shield of claim 3, wherein, The support component comprises a fixed sleeve (13) fixedly arranged on the bottom of the end cover (11) in the vertical direction; the outer screw rod (14) is arranged in the fixed sleeve (13) and penetrates out of the fixed sleeve (13); the outer screw rod (14) and the fixed sleeve (13) are coaxially arranged and threadedly connected with each other; one end of the outer screw rod (14) penetrating out of the fixed sleeve (13) is provided with a connecting part (142); and a plurality of support sleeves (16) are fixedly arranged on the circumference of the connecting part (142).

7. The artificial excavation safety shield of claim 3, wherein, The top end of the inner screw rod (12) is provided with a rotating ring (19) fixedly arranged on the top of the inner screw rod (12); the outer screw rod (14) is further provided with a rotating hand lever (141) fixedly arranged on the outer screw rod (14) on one side of the end cover (11).

8. The hand-dug hole safety shield of claim 6, wherein, The center of the end cover (11) is provided with a positioning seat (131); the fixed sleeve (13) is fixedly arranged on the bottom surface of the positioning seat (131); the upper end surface of the positioning seat (131) is provided with a limiting ring (132); the outer screw rod (14) is sleeved with a rotating tooth (5) threadedly matched with the outer screw rod (14); the bottom of the rotating tooth (5) is provided with an annular groove (51); the rotating tooth (5) is matched with the limiting ring (132) through the annular groove (51), so as to be able to rotate around the vertical axis on the limiting ring (132).

9. The artificial excavation safety shield of claim 1, wherein, The telescopic assembly includes two groups or three groups; the resisting plate (15) is an arc-shaped plate; the end cover is a circular plate or a circular frame.

10. A hand-dug hole safety shield according to any one of claims 1 to 9, wherein, The materials of the end cover (11), the supporting component, the telescopic assembly, the telescopic driving mechanism and the resisting plate (15) are respectively steel.

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