Lifting device for building construction

Abstract

The utility model discloses a lifting device for building construction, which belongs to the related technical field of building construction, and comprises a lifting machine main body, the lifting machine main body is connected with a winding device through a driving device, the winding device is used for winding a lifting rope, and the outer side of a U-shaped part at the bottom end of the lifting rope is movably sleeved with a connecting seat with a vertical section of a circular structure; according to the lifting device for building construction, when the lifting device for building construction is used, especially when the lifting hook needs to be replaced and maintained, the purpose of conveniently replacing the lifting hook can be achieved by directly lifting the closing cover upwards to enable the sleeving groove in the closing cover to be pulled away from the matching block, and when the lifting hook is used for hooking goods needed by building construction, the lifting rope is subjected to the gravity of the goods, so that the lifting hook is convenient to replace. The design that an arc-shaped seat is matched with an arc-shaped groove enables a guide rod to move upwards due to gravity, however, a first inclined face extrudes a second inclined face, a spring is compressed, and at the moment, the end, away from the second inclined face, of an extruded block slides into an inserting groove.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical fields related to building construction, and particularly relates to a hoisting device for building construction. BACKGROUND

[0002] The hoisting device for building construction refers to a mechanical device used for hoisting, transporting and carrying building materials, equipment and components on a construction site.

[0003] The prior art hoisting device for building construction has the following shortcomings in use:

[0004] Generally, the hoisting rope is wound by a winding device, so that the hook drives the hoisted building construction cargo, but the hook will experience repeated loads when bearing heavy objects, which may cause material fatigue, micro-cracks or deformation, and reduce its carrying capacity. However, the hook of the prior art is very difficult to disassemble and maintain, so a hoisting device for building construction is needed. TECHNICAL CONTENT

[0005] The utility model aims to provide a hoisting device for building construction to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hoisting device for building construction, comprising a hoisting machine main body, a winding device connected to the hoisting machine main body through a driving device, the winding device being used for winding the hoisting rope, the bottom end of the hoisting rope being movably sleeved with a connecting seat having a vertical circular cross section, the bottom end of the connecting seat being fixedly connected with a hook through a circular limiting block, a U-shaped groove being formed in the front surface of the connecting seat for sleeving the U-shaped part of the bottom end of the hoisting rope, a convexly-shaped cooperation block being fixedly connected to the middle part of the front surface of the connecting seat, a cover being movably sleeved with the outer side of the cooperation block, a sleeving groove being formed in the side surface of the cover facing the connecting seat and cooperating with the cooperation block, and the bottom end of the cover being movably attached to the top end of the limiting block; further comprising a gravity locking member, the gravity locking member being installed on the connecting seat and connected with the cover, and the gravity locking member being used for realizing further locking between the connecting seat and the cover by means of the gravity of the cargo hooked on the hook when the cargo is hoisted by the hoisting rope.

[0007] As a preferred embodiment, the gravity locking member comprises a moving channel vertically formed in the middle part of the inner side of the connecting seat, a guide rod being slidably arranged in the moving channel, the bottom end of the guide rod movably extending into the U-shaped groove and being fixedly connected with an arc-shaped seat, and an arc-shaped groove being formed in the bottom end arc surface of the arc-shaped seat for sleeving the U-shaped part of the bottom end of the hoisting rope.

[0008] As a preferred implementation form, a groove is formed on the side wall of the guiding rod away from the cover, the groove movably covers the outside of the fixed key block, one end of the fixed key block is fixed to the inner wall of the moving channel, and the bottom end of the fixed key block is fixed to the inner bottom wall of the groove through a spring.

[0009] As a preferred implementation form, the top end of the guiding rod is provided with a first inclined surface, a through channel is formed in the middle part of the matching block, a squeezed block is slidably arranged in the through channel, one end of the squeezed block movably extends into the moving channel, and the squeezed block is provided with a second inclined surface movably lapping the first inclined surface.

[0010] As a preferred implementation form, the top part of the squeezed block is fixedly connected with a sliding key block, and the sliding key block is slidably connected in the sliding groove formed in the inner top wall of the through channel.

[0011] As a preferred implementation form, the sleeve groove is provided with an insertion slot matched with the end of the squeezed block away from the second inclined surface.

[0012] Compared with the prior art, the hoisting device for building construction has at least the following beneficial effects:

[0013] In the utility model, when the hoisting device for building construction is used, especially when the lifting hook needs to be replaced and maintained, the sleeve groove on the cover can be separated from the matching block by directly lifting the cover, so that the purpose of conveniently replacing the lifting hook is achieved. When the lifting hook hooks the goods required for building construction, the lifting rope is subjected to the gravity of the goods, so that the arc-shaped seat cooperates with the arc-shaped groove, the guiding rod moves upward due to gravity, the first inclined surface squeezes the second inclined surface, the spring is compressed, the end of the squeezed block away from the second inclined surface slides into the insertion slot, the cover and the connecting seat are further fixed, and the stability of the lifting hook when hoisting the goods for building construction is effectively ensured. When the goods are not hoisted, the cover can be quickly separated from the matching block, and the operation is very convenient. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a whole three-dimensional structure schematic view of the utility model;

[0015] Fig. 2 It is a three-dimensional structure schematic view of the cover after being separated from the utility model;

[0016] Fig. 3 It is a sleeve groove three-dimensional expansion structure schematic view of the utility model;

[0017] Fig. 4 It is a cover and connecting seat cut-open side view plane expansion structure schematic view of the utility model;

[0018] Fig. 5 It is the A place amplification structure schematic view of the utility model;

[0019] Fig. 6 It is the guide rod and arc seat whole three-dimensional bottom view structure schematic view of the utility model.

[0020] In the figure: 1, hoist main body;11, drive displacement device;12, winding device;13, lifting rope;14, connecting seat;141, U-shaped groove;142, matching block;15, cover;151, sleeve groove;16, limiting block;17, lifting hook;2, gravity locking piece;21, guide rod;22, spring;23, fixed key block;24, arc seat;25, arc groove;26, extruded block;27, sliding key block;28, insertion slot. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with examples.

[0022] In order to make the utility model example purposes, technical solutions and advantages more clearly, the following will be combined with the utility model example drawings, the technical scheme of the utility model example is clearly and completely described, obviously, the described example is the utility model part example, rather than all examples, based on the described utility model example, all other examples obtained by the person skilled in the art without creative labor under the premise of the utility model concept, belong to the utility model protection range.

[0023] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and the simple improvement of the method of the utility model under the concept of the utility model belongs to the protection range of the utility model.

[0024] EXAMPLE

[0025] Generally, the winding device 12 is used to wind the lifting rope 13, so that the lifting hook 17 drives the hooked building construction goods to be hoisted, but the lifting hook 17 will experience repeated load when bearing heavy objects, which may cause material fatigue, microcracks or deformation, reduce its carrying capacity, but the lifting hook 17 of the prior art is very difficult to disassemble and assemble, which is very inconvenient for later maintenance.

[0026] Therefore, please refer to Figs. 1-6The utility model provides a hoist device for building construction, include: hoist main body 1, hoist main body 1 through drive displacement device 11 is connected with winding device 12, winding device 12 is used for winding to sling 13, the bottom end U shape department outside of sling 13 is movably sleeved with the connecting seat 14 of vertical section and round structure, the bottom end of connecting seat 14 is fixedly connected with the hook 17 through the round limiting block 16, the front side surface of connecting seat 14 is equipped with the U type groove 141 of U shape department sleeve setting for sling 13 bottom end, the front side surface middle part of connecting seat 14 is fixedly connected with the cooperation block 142 of cross section and convex structure, the outside of cooperation block 142 is movably sleeved with the lid 15, the side surface of lid 15 towards connecting seat 14 is equipped with the sleeve groove 151 of cooperation with cooperation block 142, and the bottom end of lid 15 and the top end of limiting block 16 are movably attached, still include gravity locking piece 2, gravity locking piece 2 is installed on connecting seat 14, and is connected with lid 15, and gravity locking piece 2 is used for the further locking between connecting seat 14 and lid 15 by the gravity of the goods hoisting of sling 13 on hook 17.

[0027] Wherein, winding device 12 and drive displacement device 11 are prior art, do not make specific description.

[0028] Further as Figs. 1-6 Described in detail, in order to be able to realize the further locking and fixing between lid 15 and connecting seat 14 by the gravity of building goods when lifting, therefore set up gravity locking piece 2 includes the vertical movement passage of setting in the inside middle part of connecting seat 14, the guide rod 21 of sliding in movement passage, the bottom end of guide rod 21 movably extends to U type groove 141, and is fixedly connected with arc-shaped seat 24, the bottom end arc surface of arc-shaped seat 24 is equipped with the arc-shaped groove 25 of sleeve setting bottom end U shape department of sling 13, the side wall of guide rod 21 away from lid 15 is equipped with recess, and recess movably sets up in the outside of fixed key block 23, and one end of fixed key block 23 is fixedly connected in the inner wall of movement passage, and the bottom end of fixed key block 23 is fixedly connected in the inner bottom wall of recess through spring 22, and the top end of guide rod 21 is equipped with first inclined plane, and the middle part of cooperation block 142 is equipped with through channel, and the extrusion block 26 of sliding in through channel is equipped with second inclined plane of movably lapping with first inclined plane, and one end of extrusion block 26 movably extends to movement passage, and is equipped with the second inclined plane of being movably lapped with first inclined plane, and the top of extrusion block 26 is fixedly connected with sliding key block 27, and sliding key block 27 is slidably connected in the sliding groove of the top wall of through channel, and the insertion slot 28 of cooperation with one end of extrusion block 26 away from second inclined plane is equipped in sleeve groove 151.

[0029] Wherein, the inner surface of arc-shaped groove 25 is smooth, which helps the movement of sling 13, in addition, there is a gap between the first inclined plane and the inner top wall of the movement passage that can be moved upward.

[0030] In summary: when using the hoisting device for building construction, especially when the hook 17 needs to be replaced and maintained, the cover 15 can be directly lifted to separate the sleeve groove 151 on the cover 15 from the matching block 142, thereby achieving the purpose of conveniently replacing the hook 17. When the hook 17 hooks the goods required for building construction, the lifting rope 13 is subjected to the gravity of the goods, so that the arc-shaped seat 24 cooperates with the arc-shaped groove 25, the guide rod 21 moves upward due to gravity, the first inclined surface extrudes the second inclined surface, and the spring 22 is compressed. At this time, the end of the extruded block 26 away from the second inclined surface slides into the insertion slot 28, thereby further fixing the cover 15 and the connecting seat 14, thereby effectively ensuring the stability of the hook 17 when hoisting the goods for building construction. When there is no goods to be hoisted, the cover 15 can be quickly separated from the matching block 142, which is very convenient and fast to operate.

[0031] Unless otherwise defined, technical terms or scientific terms used in the present application shall have the usual meaning understood by a person with ordinary skill in the art to which the present application belongs. The terms "include" or "contain" and similar words used in the present application mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, and do not exclude other elements or objects. The terms "connected" or "connected" and similar words are not limited to physical or mechanical connections, but also include electrical connections, whether direct or indirect. The terms "up", "down", "left", "right" and the like are only used to indicate relative positional relationships, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0032] Although embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A hoisting device for construction, comprising a hoisting machine body (1), a winding device (12) connected to the hoisting machine body (1) through a driving device (11), the winding device (12) being used for winding a hoisting rope (13), characterized in that, The bottom end U-shaped part of the hanging rope (13) is movably sleeved with a connecting seat (14) with a circular structure in vertical section, the bottom end of the connecting seat (14) is fixedly connected with a hook (17) through a circular limiting block (16), the front surface of the connecting seat (14) is provided with a U-shaped groove (141) for sleeving the bottom end U-shaped part of the hanging rope (13), the front surface of the connecting seat (14) is fixedly connected with a matching block (142) with a convex structure in cross section, the outer side of the matching block (142) is movably sleeved with a cover (15), one side surface of the cover (15) is provided with a sleeving groove (151) matched with the matching block (142), and the bottom end of the cover (15) is movably attached to the top end of the limiting block (16). Further comprising a gravity locking piece (2) installed on the connecting seat (14) and connected with the cover (15), the gravity locking piece (2) is used for realizing further locking between the connecting seat (14) and the cover (15) by the gravity of the goods hung on the hook (17) when the goods is lifted by the hanging rope (13).

2. A hoisting device for use in building construction according to claim 1, characterized in that The gravity locking piece (2) comprises a moving channel vertically formed in the inner side of the connecting seat (14), a guide rod (21) is slidably arranged in the moving channel, the bottom end of the guide rod (21) movably extends into the U-shaped groove (141) and is fixedly connected with an arc-shaped seat (24), and an arc-shaped groove (25) for sleeving the bottom end U-shaped part of the hanging rope (13) is formed in the bottom end arc surface of the arc-shaped seat (24).

3. A hoisting device for use in building construction according to claim 2, characterized in that: A groove is formed in the side wall of the guide rod (21) away from the cover (15), the groove movably sleeves an outer side of a fixed key block (23), one end of the fixed key block (23) is fixedly connected to the inner wall of the moving channel, and the bottom end of the fixed key block (23) is fixedly connected to the inner bottom wall of the groove through a spring (22).

4. A hoisting device for use in building construction according to claim 3, characterized in that: The top end of the guide rod (21) is provided with a first inclined surface, a through channel is formed in the middle part of the matching block (142), a squeezed block (26) is slidably arranged in the through channel, one end of the squeezed block (26) movably extends into the moving channel and is provided with a second inclined surface movably overlapped with the first inclined surface.

5. A hoisting device for use in building construction according to claim 4, characterized in that: The top part of the squeezed block (26) is fixedly connected with a sliding key block (27), and the sliding key block (27) is slidably connected in a sliding groove formed in the top wall of the through channel.

6. A hoisting device for use in building construction according to claim 5, characterized in that: An insertion groove (28) matched with one end of the squeezed block (26) away from the second inclined surface is formed in the sleeving groove (151).

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