Clamp for carrying stones

Abstract

The utility model discloses a fixture for carrying stones, which comprises a mounting rod and two moving blocks slidably arranged on the mounting rod, L-shaped clamping plates are hinged to the two moving blocks, fixed pulleys are rotatably mounted at two ends of the mounting rod, and the fixture further comprises a flexible connecting piece. When stone is carried, the two moving blocks slide according to the width of the stone to be carried so as to adjust the distance between the two moving blocks, the two L-shaped clamping plates are clamped on the two sides of the stone after adjustment is completed, and then the stone can be carried through the two L-shaped clamping plates. After the L-shaped clamping plates are clamped on the two sides of the stone, the flexible connecting pieces are connected through the construction lifting hooks, the flexible connecting pieces can drive the two L-shaped clamping plates to be folded, the stone is clamped between the two L-shaped clamping plates, meanwhile, the L-shaped clamping plates can support the bottom of the stone, and therefore the stone can be prevented from falling off in the stone lifting process; and the safety risk in the stone carrying process can be reduced.

Description

Technical Field

[0001] This utility model relates to the field of stone handling technology, and in particular to a clamp for handling stone. Background Technology

[0002] Stone is frequently used in construction projects such as building construction, road and bridge construction, and landscaping. These stones are generally processed into regularly shaped geometric forms, and their difficulty lies in their large size and weight, making them challenging to handle. Chinese utility model patent CN218261610U discloses a stone clamp, including two L-shaped clamping edges. The long sides of the two L-shaped clamping edges are pivotally connected, and the short ends of the two L-shaped clamping edges have inward-facing clamping surfaces. The long ends of the two L-shaped clamping edges are connected by a rigid-flexible connector. This stone clamp uses the scissor-like opening and closing of the two clamping edges to hold the stone within the two clamping surfaces. Although the elastic friction pad increases the friction between the clamping surfaces and the stone surface, the stone lacks bottom support, making it prone to falling between the two clamping surfaces during lifting, thus posing a safety risk. Utility Model Content

[0003] The purpose of this utility model is to overcome the above-mentioned technical deficiencies and propose a clamp for handling stone. This solves the problem that existing stone clamps use two clamping surfaces to hold the stone by scissor-like opening and closing of two clamping edges. Although the elastic friction pad increases the friction between the clamping surface and the stone surface, the stone has no support at the bottom, and it is easy for the stone to fall off between the two clamping surfaces during the lifting process, thus posing a safety risk.

[0004] To achieve the above technical objectives, the present invention provides a clamp for handling stone, including a mounting rod and two movable blocks slidably mounted on the mounting rod. Each of the two movable blocks is hinged with an L-shaped clamping plate. Fixed pulleys are rotatably mounted at both ends of the mounting rod. The clamp also includes a flexible connector, the two ends of which pass around the fixed pulleys at both ends of the mounting rod and are connected to the L-shaped clamping plates.

[0005] Furthermore, the two moving blocks are connected by an adjustment component for driving the two moving blocks to move relative to or in opposite directions.

[0006] Furthermore, the adjusting assembly includes a lead screw, with opposite external threads on the outer walls of both ends. Nuts are connected to both ends of the lead screw via these opposite external threads, and the two nuts are respectively mounted on two moving blocks. Both ends of the lead screw are rotatably mounted on mounting rods via bearings. The lead screw is connected to the handle rod.

[0007] Furthermore, the handle comprises two parts, which are respectively installed at both ends of the lead screw.

[0008] Furthermore, the bottom of the mounting rod is provided with a slide rail along its length, and the top of the moving block is provided with a slider, which slides on the slide rail.

[0009] Furthermore, the inner wall of the L-shaped clamp is provided with a flexible pad.

[0010] Furthermore, the flexible pad is made of rubber.

[0011] Furthermore, the flexible connector uses a chain.

[0012] The beneficial effects of this utility model include: This utility model provides a clamp for handling stone. When handling stone, the distance between the two moving blocks is adjusted by sliding two moving blocks according to the width of the stone to be handled. After adjustment, two L-shaped clamps are clamped on both sides of the stone. After the L-shaped clamps are clamped on both sides of the stone, the flexible connector is connected by a construction hook. The flexible connector can drive the two L-shaped clamps to close together, clamping the stone between the two L-shaped clamps. At the same time, the L-shaped clamps can support the bottom of the stone, thus preventing the stone from falling during the lifting process and reducing the safety risks of the stone during handling. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the clamp structure for handling stone according to an embodiment of this utility model;

[0014] In the diagram: 1. Mounting rod; 11. Slide rail; 2. Moving block; 21. Sliding block; 3. L-shaped clamp; 31. Flexible pad; 4. Fixed pulley; 5. Flexible connector; 6. Adjustment assembly; 61. Lead screw; 62. Nut; 63. Bearing; 64. Handle lever. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0016] This utility model embodiment provides a clamp for handling stone, such as... Figure 1As shown, the fixture includes an installation rod 1 and two sliding blocks 2 slidably mounted on the installation rod 1. Each of the two sliding blocks 2 is hinged with an L-shaped clamp 3. Fixed pulleys 4 are rotatably mounted at both ends of the installation rod 1. The fixture also includes a flexible connector 5, which is either a chain or a steel strand. Both ends of the flexible connector 5 pass over the fixed pulleys 4 at both ends of the installation rod 1 and connect to the L-shaped clamp 3. When transporting stone, the distance between the two sliding blocks 2 is adjusted according to the width of the stone to be transported. After adjustment, the two L-shaped clamps 3 are clamped on both sides of the stone. After the L-shaped clamps 4 are clamped on both sides of the stone, the flexible connector 5 is connected using a construction hook. The flexible connector 5 can drive the two L-shaped clamps 4 to close, clamping the stone between the two L-shaped clamps 3. Simultaneously, the L-shaped clamps 3 can support the bottom of the stone, thus preventing the stone from falling during lifting and reducing the safety risks during transport.

[0017] It should be noted that the bottom of the mounting rod 1 is provided with a slide rail 11 along its length, and the top of the moving block 2 is provided with a slider 21. The slider 21 is slidably mounted on the slide rail 11. At the same time, the longitudinal section of the mounting rod 1 is T-shaped, and the slider 31 is provided with a groove that matches the mounting rod 1. The longitudinal section of the groove is also T-shaped, which can restrict the moving block 2 to the mounting rod 1.

[0018] It should be noted that the L-shaped clamp 3 includes a vertical plate and a horizontal plate vertically disposed at the lower end of the vertical plate. The upper end of the vertical plate is hinged to the moving block 2, and the upper end of the vertical plate is also connected to the flexible connector 5.

[0019] It should be noted that both ends of the mounting rod 1 are provided with mounting grooves, and the two fixed pulleys 4 are respectively rotatably installed inside the mounting grooves at both ends of the mounting rod 1. At the same time, the side wall of the fixed pulley 4 is provided with an annular groove, and the flexible connector 5 is wrapped around the annular groove of the fixed pulley 4.

[0020] In order to make the L-shaped clamping plate 3 more securely clamp the stone, in this embodiment, the inner wall of the L-shaped clamping plate 3 is provided with a flexible pad 31. The flexible pad 31 is specifically one of a silicone pad or a rubber pad. The flexible pad 31 has a certain elasticity and can clamp the stone more securely. At the same time, the flexible pad 31 is bolted to the inner wall of the L-shaped clamping plate 3, which can be easily replaced after wear.

[0021] In this embodiment, the two moving blocks 2 are connected by an adjustment component 6 for driving the two moving blocks 2 to move relative to or in opposite directions. The adjustment component 6 can drive the two moving blocks 2 to move relative to or in opposite directions in order to adjust the distance between the two moving blocks.

[0022] For the adjustment component 6, it only needs to be able to drive the two moving blocks 2 to move relative to or in opposite directions. Therefore, it is not limited to a specific structure. For example, in some embodiments, threaded sleeves are installed at both ends of the mounting rod 1, and threaded rods are threadedly connected inside the two threaded sleeves. One end of the two threaded rods is rotatably connected to the two moving blocks 2, and the other end of the two threaded rods is connected to the two handles. By rotating the two handles, the two threaded rods can be rotated respectively, thereby driving the two moving blocks to move relative to or in opposite directions.

[0023] In this embodiment, the adjustment component 6 includes a lead screw 61. Both ends of the lead screw 61 have external threads with opposite helical directions on their outer walls. Nuts 62 are connected to both ends of the lead screw 61 through two external threads with opposite helical directions. The two nuts 62 are respectively installed on two moving blocks 2. Both ends of the lead screw 61 are rotatably mounted on the mounting rod 1 through bearings 63. The lead screw 61 is connected to the handle rod 64. By rotating the handle rod 64, the lead screw 61 can be rotated. The lead screw 61 drives the two moving blocks 2 to move relative to or in opposite directions through the two nuts 62, which is convenient to operate. At the same time, there are two handle rods 64, which are respectively installed at both ends of the lead screw 61. The lead screw 61 can be rotated from both ends of the lead screw 61, making adjustment more convenient. In addition, the handle rod 64 has an L-shaped structure, which makes it easy to rotate the lead screw 61.

[0024] Specific principle: When moving stone, rotate the handle 64 according to the width of the stone to be moved. The handle 64 can drive the lead screw 61. The lead screw 61 drives the two moving blocks 2 to move relative to or in opposite directions through the two nuts 62, adjusting the distance between the two moving blocks 2. After adjustment, clamp the two L-shaped clamps 3 on both sides of the stone. After the L-shaped clamps 4 are clamped on both sides of the stone, use the construction hook to connect the flexible connector 5. The flexible connector 5 can drive the two L-shaped clamps 4 to close, clamping the stone between the two L-shaped clamps 3. At the same time, the L-shaped clamps 3 can support the bottom of the stone, which can prevent the stone from falling during the lifting process and reduce the safety risks of the stone during the handling process.

[0025] The specific embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any other corresponding changes and modifications made based on the technical concept of this utility model should be included within the scope of protection of the claims of this utility model.

Claims

1. A clamp for handling stone, characterized in that, The fixture includes a mounting rod (1) and two movable blocks (2) slidably mounted on the mounting rod (1). Each of the two movable blocks (2) is hinged with an L-shaped clamp (3). Fixed pulleys (4) are rotatably mounted on both ends of the mounting rod (1). The fixture also includes a flexible connector (5). Both ends of the flexible connector (5) pass around the fixed pulleys (4) at both ends of the mounting rod (1) and are connected to the L-shaped clamp (3).

2. The stone handling clamp according to claim 1, characterized in that, The two moving blocks (2) are connected by an adjustment component (6) for driving the two moving blocks (2) to move relative to or opposite to each other.

3. The stone handling clamp according to claim 2, characterized in that, The adjusting assembly (6) includes a lead screw (61), both ends of which are provided with external threads in opposite directions. Nuts (62) are connected to both ends of the lead screw (61) through two external threads in opposite directions. The two nuts (62) are respectively installed on two moving blocks (2). Both ends of the lead screw (61) are rotatably installed on the mounting rod (1) through bearings (63). The lead screw (61) is connected to the handle (64).

4. The stone handling clamp according to claim 3, characterized in that, The handle (64) comprises two rods, which are respectively installed at both ends of the lead screw (61).

5. The stone handling clamp according to claim 1, characterized in that, The mounting rod (1) has a slide rail (11) at its bottom along its length, and the moving block (2) has a slider (21) at its top, which slides on the slide rail (11).

6. The stone handling clamp according to claim 1, characterized in that, The inner wall of the L-shaped clamp (3) is provided with a flexible pad (31).

7. The stone handling clamp according to claim 6, characterized in that, The flexible pad (31) is made of rubber.

8. The clamp for handling stone according to claim 1, characterized in that, The flexible connector (5) is made of chain.

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