Material crane for constructional engineering

Abstract

The utility model relates to the field of constructional engineering, and discloses a material crane for constructional engineering, which comprises a fixed rod, a transverse plate is fixedly mounted at the top of the fixed rod, a hook is mounted at the bottom of the transverse plate in a sliding manner, a placing box is arranged at the bottom of the hook, a placing groove is formed in the top of the placing box, and a lifting device is arranged in the placing groove. A pull rod is fixedly installed in the containing groove, the hook is connected with the pull rod in a clamped mode, and a limiting assembly used for limiting the constructional engineering is arranged in the containing box. Through mutual cooperation of the clamping plates, the screw rods, the round blocks and the handles, construction engineering materials needing to be placed in the placing box can be placed, then the handles can be rotated, the handles rotate to drive the round blocks and the screw rods to rotate, the screw rods rotate to drive the clamping plates to move inwards at the same time, and the construction engineering materials can be limited by moving the clamping plates inwards; and the construction engineering materials are prevented from shaking during moving.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of building engineering especially, a kind of material crane for building engineering. BACKGROUND

[0002] Building engineering refers to a series of activities such as planning, design, construction, maintenance of various buildings and structures, to realize specific functions and purposes, and meet the needs of people in life, production, culture and other aspects of the comprehensive engineering field, in the planning stage, the overall layout of building, functional zoning, spatial form and other macro programs are determined by comprehensively considering factors such as topography, surrounding environment, traffic conditions, urban planning requirements, to ensure that the building is coordinated with the surrounding environment, and meets the convenience and sustainability of future use.

[0003] The crane is a multi-action machine that can lift and transport heavy objects within a certain range, and its work has intermittent characteristics. In a work cycle, the corresponding mechanisms of taking material, moving and unloading alternate operation. However, when used in building engineering, the crane taking material link has hidden dangers. When the hook is rotated to the material and hooks the material, the hook will swing. Since its motion trajectory is difficult to control accurately, in the case of frequent personnel coming and going in the work area, the swinging hook is easy to collide with nearby personnel, causing personnel to suffer varying degrees of physical injury, seriously affecting work safety and efficiency. Therefore, a material crane for building engineering is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a material crane for building engineering, which aims to improve the problem that the swinging hook in the prior art is easy to collide with nearby personnel, causing personnel to suffer varying degrees of physical injury, seriously affecting work safety and efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A material crane for building engineering, comprising a fixed rod, a horizontal plate is fixedly installed at the top of the fixed rod, a hook is slidingly installed at the bottom of the horizontal plate, a placing box is arranged at the bottom of the hook, a placing groove is formed at the top of the placing box, a pulling rod is fixedly installed inside the placing groove, the hook and the pulling rod are connected, a limiting assembly for limiting building engineering is arranged inside the placing box, and a protection assembly for protecting building engineering materials is arranged on both sides of the placing box.

[0007] As a further description of the above technical scheme:

[0008] The limiting assembly comprises two sets of clamping plates, outer sides of the clamping plates are rotatably provided with screw rods through bearings, outer ends of the screw rods penetrate to outer sides of the placing box and are threadedly installed with the placing box, outer ends of the screw rods are fixedly provided with circular blocks, outer sides of the circular blocks are fixedly provided with handles;

[0009] As a further description of the above technical solution:

[0010] The bottom of the inner wall of the placing box is provided with a limiting groove, both sides of the bottom of the clamping plate are fixedly provided with limiting blocks, and the limiting blocks and the limiting groove are slidably installed;

[0011] As a further description of the above technical solution:

[0012] The protection assembly comprises a protection plate, limiting rods are fixedly installed on front sides and rear sides of both sides of the protection plate, inner ends of the limiting rods penetrate to the inside of the placing box and are slidably installed with the placing box, springs are sleeved on surfaces of the limiting rods, outer ends of the springs are fixedly installed with inner sides of the protection plate, and inner ends of the springs are fixedly installed with both sides of the placing box;

[0013] As a further description of the above technical solution:

[0014] Outer ends of the limiting rods are fixedly provided with stop blocks, and inner ends of the stop blocks are in contact with outer sides of the protection plate;

[0015] As a further description of the above technical solution:

[0016] Both sides of the inner wall of the placing groove are fixedly provided with air bags, the top of the air bag is communicated with a gas outlet pipe, and inner ends of the limiting rods are in contact with outer sides of the air bags;

[0017] As a further description of the above technical solution:

[0018] The inside of the placing groove is provided with a connecting plate, the outer side of the connecting plate is fixedly installed with the outer end of the limiting rod, and the inner side of the connecting plate is fixedly installed with the outer side of the air bag.

[0019] The utility model has the advantages of the following:

[0020] In the utility model, the clamping plate, the screw rod, the circular block and the handle are cooperated with each other, the construction engineering material can be placed into the placing box, then the handle can be rotated, the handle drives the circular block and the screw rod to rotate, the screw rod drives the clamping plate to move to the inner side at the same time, the clamping plate moving to the inner side can limit the construction engineering material, and the construction engineering material can be prevented from shaking when moving.

[0021] The utility model discloses a protection assembly, which comprises a protection plate, a limiting rod and a spring. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A three-dimensional schematic view of the fixed rod is provided for the utility model;

[0023] Figure 2 A structure schematic view of the placing box is provided for the utility model;

[0024] Figure 3 A structure schematic view of the limiting assembly is provided for the utility model;

[0025] Figure 4 The utility model discloses a protection assembly, which comprises a protection plate, a limiting rod and a spring. Figure 3 An enlarged structure view of A in the utility model.

[0026] LEGEND:

[0027] 1, fixed rod;2, horizontal plate;3, hook;4, placing box;5, placing groove;6, pull rod;7, limiting assembly;71, clamping plate;72, screw;73, round block;74, handle;8, protection assembly;81, protection plate;82, limiting rod;83, spring;84, stopper;85, air bag;86, air outlet pipe;9, limiting groove;10, limiting block;11, connecting plate. DETAILED DESCRIPTION

[0028] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0029] REFERENCE Figures 1-4The utility model provides a kind of embodiment: a kind of material hoist for constructional engineering, including fixed rod 1, the top of fixed rod 1 is fixedly installed with crosspiece 2, the bottom of crosspiece 2 is slidably installed with hook 3, the bottom of hook 3 is provided with placing box 4, the top of placing box 4 is provided with placing groove 5, pulling rod 6 is fixedly installed in the inside of placing groove 5, hook 3 and pulling rod 6 are clamped, the inside of placing box 4 is provided with the limiting assembly 7 for limiting constructional engineering, the both sides of placing box 4 are provided with the protection assembly 8 for protecting constructional engineering building material, first can be placed to the inside of placing box 4 by constructional engineering material, then can be limited by limiting assembly 7 to constructional engineering material, then can be prevented by protection assembly 8 that constructional engineering material will collide with other objects when moving, to cause constructional engineering material to appear deformation.

[0030] With reference to Figures 1-4 , limiting assembly 7 includes two groups of clamping plates 71, the outer side of clamping plate 71 is rotatably installed with screw rod 72 by bearing, the outer end of screw rod 72 is penetrated to the outside of placing box 4 and is screw-mounted with placing box 4, the outer end of screw rod 72 is fixedly installed with round block 73, the outer side of round block 73 is fixedly installed with handle 74, by the mutual cooperation of clamping plate 71, screw rod 72, round block 73 and handle 74, can be placed to the inside of placing box 4 by constructional engineering material required, then can rotate handle 74, handle 74 rotation drives round block 73 and screw rod 72 rotation, screw rod 72 rotation drives clamping plate 71 to move inboard simultaneously, clamping plate 71 moves inboard and can limit constructional engineering material, prevent constructional engineering material from appearing to shake when moving, the bottom of placing box 4 inner wall is provided with limiting slot 9, the both sides of clamping plate 71 bottom are fixedly installed with limiting block 10, limiting block 10 and limiting slot 9 are slidably installed, by the mutual cooperation of limiting slot 9 and limiting block 10, can limit clamping plate 71, prevent clamping plate 71 from appearing to incline in the inside of placing box 4, to prevent clamping plate 71 from appearing to shake when moving.

[0031] With reference to Figures 1-4The protection assembly 8 comprises a protection plate 81, front and rear sides of both sides of the protection plate 81 are fixedly installed with limiting rods 82, inner ends of the limiting rods 82 penetrate into the inside of the placing box 4 and are slidingly installed with the placing box 4, surfaces of the limiting rods 82 are sleeved with springs 83, outer ends of the springs 83 are fixedly installed with the inner side of the protection plate 81, inner ends of the springs 83 are fixedly installed with both sides of the placing box 4, through the cooperation of the protection plate 81, the limiting rods 82 and the springs 83, the protection plate 81 can be contacted with external objects, at this time, the protection plate 81 can drive the limiting rods 82 to move inward, the limiting rods 82 can compress the springs 83, so that the impact force of the protection plate 81 and the external objects can be reduced, outer ends of the limiting rods 82 are fixedly installed with stoppers 84, inner ends of the stoppers 84 are in contact with the outer side of the protection plate 81, through the setting of the stoppers 84, the contact area of the protection plate 81 and the limiting rods 82 can be increased, so that the stability of the limiting rods 82 and the protection plate 81 when being connected can be improved, both sides of the inner wall of the placing groove 5 are fixedly installed with air bags 85, the top of the air bag 85 is communicated with a gas outlet pipe 86, the inner end of the limiting rod 82 is in contact with the outer side of the air bag 85, through the cooperation of the air bag 85 and the gas outlet pipe 86, the limiting rods 82 can be driven to move inward when the protection plate 81 moves inward, the limiting rods 82 can extrude the air bag 85, at this time, the gas in the air bag 85 is discharged through the gas outlet pipe 86, so that the construction engineering materials can be protected twice, the inside of the placing groove 5 is provided with a connecting plate 11, the outer side of the connecting plate 11 is fixedly installed with the outer end of the limiting rod 82, the inner side of the connecting plate 11 is fixedly installed with the outer side of the air bag 85, through the setting of the connecting plate 11, the contact area of the limiting rods 82 and the air bag 85 can be increased, so that the air bag 85 can be uniformly compressed, so that the stability of the protection of the construction engineering materials can be improved.

[0032] Working principle: first, the construction materials are placed in the placing box 4, then the handle 74 is rotated, the handle 74 is connected with the round block 73, and the round block 73 is fixed at one end of the screw rod 72, so that the rotation of the handle 74 drives the rotation of the screw rod 72, and the clamping plate 71 is matched with the screw rod 72 through threads, when the screw rod 72 rotates, the clamping plate 71 moves inwards along the axial direction of the screw rod 72, through the relative displacement of the two clamping plates 71, the construction materials in the placing box 4 can be effectively limited, and displacement of the construction materials in the subsequent moving process is avoided, when the placing box 4 and the construction materials in the placing box 4 collide with the outside world, the protective plate 81 moves to one side under the action of force, because the protective plate 81 is fixedly connected with the limiting rod 82, the movement of the protective plate 81 drives the limiting rod 82 to move to one side synchronously, in the process, the limiting rod 82 compresses the spring 83, and the elastic deformation of the spring 83 can absorb part of the collision energy, so that the construction materials are protected for the first time, and when the limiting rod 82 moves to one side, the connecting plate 11 moves synchronously, the movement of the connecting plate 11 extrudes the air bag 85, and the gas in the air bag 85 is discharged through the air outlet pipe 86, the flow and buffering of the gas further consume the collision energy, so that the construction materials are protected for the second time, through the double protection mechanism, the stability and safety of the construction materials in the moving process are effectively improved, and the risk that the surrounding users are hurt due to the shaking or collision of the materials is reduced.

[0033] Finally, it should be pointed out that: the above only preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still be modified, or part of the technical features are equivalent to replace, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A material handling machine for construction work, comprising a fixed boom (1), characterised in that: The top of the fixed rod (1) is fixedly installed with a horizontal plate (2), the bottom of the horizontal plate (2) is slidably installed with a hook (3), the bottom of the hook (3) is provided with a placing box (4), the top of the placing box (4) is provided with a placing groove (5), the inside of the placing groove (5) is fixedly installed with a pulling rod (6), the hook (3) and the pulling rod (6) are clamped, the inside of the placing box (4) is provided with a limiting assembly (7) for limiting the construction engineering, and both sides of the placing box (4) are provided with a protection assembly (8) for protecting the construction engineering materials.

2. A material handling machine for construction work as claimed in claim 1 wherein: The limiting assembly (7) comprises two groups of clamping plates (71), the outer side of the clamping plate (71) is rotatably installed with a screw rod (72) through a bearing, the outer end of the screw rod (72) penetrates to the outer side of the placing box (4) and is threadedly installed with the placing box (4), the outer end of the screw rod (72) is fixedly installed with a circular block (73), and the outer side of the circular block (73) is fixedly installed with a handle (74).

3. A material handling machine for construction work as claimed in claim 2, characterised in that: The bottom of the inner wall of the placing box (4) is provided with a limiting groove (9), and the two sides of the bottom of the clamping plate (71) are fixedly installed with limiting blocks (10).

4. A material handling machine for construction work as claimed in claim 1 wherein: The protection assembly (8) comprises a protection plate (81), the front side and the rear side of the two sides of the protection plate (81) are fixedly installed with limiting rods (82), the inner end of the limiting rod (82) penetrates to the inside of the placing box (4) and is slidably installed with the placing box (4), the surface of the limiting rod (82) is sleeved with a spring (83), the outer end of the spring (83) and the inner side of the protection plate (81) are fixedly installed, and the inner end of the spring (83) and the two sides of the placing box (4) are fixedly installed.

5. A material handling machine for construction work as claimed in claim 4 wherein: The outer end of the limiting rod (82) is fixedly installed with a stop block (84), and the inner end of the stop block (84) and the outer side of the protection plate (81) are in contact.

6. A material handling machine for construction work as claimed in claim 4 wherein: The two sides of the inner wall of the placing groove (5) are fixedly installed with air bags (85), the top of the air bag (85) is communicated with an air outlet pipe (86), and the inner end of the limiting rod (82) and the outer side of the air bag (85) are in contact.

7. A material handling machine for construction work as claimed in claim 4 wherein: The inside of the placing groove (5) is provided with a connecting plate (11), the outer side of the connecting plate (11) and the outer end of the limiting rod (82) are fixedly installed, and the inner side of the connecting plate (11) and the outer side of the air bag (85) are fixedly installed.

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