CN220245146U - Take-up and pay-off device for building construction - Google Patents

Abstract

The utility model relates to a coiling and uncoiling device for construction, including gripping member, actuating mechanism, wire winding piece includes wire winding portion and two backstop ears, and two backstop ears are established respectively at wire winding portion's both ends, and the radial dimension of two backstop ears is greater than wire winding portion's radial dimension, and wire winding portion and two backstop ears form jointly and are used for the wire winding space. One end of the holding piece is provided with a connecting shaft, the winding piece is provided with a first shaft hole for the connecting shaft to pass through, and the winding piece is rotationally sleeved on at least part of the connecting shaft; the driving mechanism is located one side of the winding piece, which deviates from the holding piece, and is fixedly connected with the winding piece, and the driving mechanism is coaxially arranged with the connecting shaft and is used for driving the winding piece to rotate reciprocally around the connecting shaft so as to release or roll up the white rope, so that the winding and unwinding device is convenient to use, has higher winding and unwinding efficiency, ensures smoother process connection, and is beneficial to improving the overall construction progress. Meanwhile, as the two ends of the winding piece are provided with the stop lugs, the phenomenon of waste of the white thread rope is avoided to a certain extent, and the cost is saved.

Description

Take-up and pay-off device for building construction

Technical Field

The disclosure relates to the technical field of building engineering, in particular to a winding and unwinding device for building construction.

Background

In the process of civil engineering construction, many procedures such as building positioning, foundation construction, main body construction, etc. are performed by paying out white ropes, so that the white ropes are widely applied to the ground or the position, size, etc. of a structure to be paid out on the building.

The white string paying-off mode is generally adopted to pay out the side line of the foundation, position or measure the construction main body and the like. During paying off, for example, two end parts can be firstly lofted and determined through a total station, then the two end parts are connected through a white cotton rope to locate a middle point, and then the middle point is connected with a bullet line through an ink fountain, so that a locating line is lofted and formed between the two end parts.

However, in the prior art, in the process of construction, normally twine the white cotton rope on square timber or abandoned beverage bottle, the workman grips and manually rotates whole square timber or abandoned beverage bottle and receive and releases the line, uses inconveniently, receive and releases the line inefficiency, leads to the process to link up unsmoothly, influences whole construction progress. In the process of winding and unwinding, the white thread ropes are also frequently subjected to thread breakage, thread disorder and thread clamping, so that the white thread ropes are wasted.

Disclosure of Invention

In order to solve the technical problems described above or at least partially solve the technical problems described above, the present disclosure provides a winding and unwinding device for building construction.

The utility model provides a winding and unwinding device for building construction, which comprises a holding piece, a winding piece and a driving mechanism;

the winding piece comprises a cylindrical winding part and two stop lugs, the two stop lugs are respectively arranged at two ends of the winding part in a surrounding mode along the circumferential direction of the winding part, the radial size of the two stop lugs is larger than that of the winding part, and the winding part and the two stop lugs are jointly arranged to form a winding space for winding a white cotton rope;

one end of the holding piece is provided with a connecting shaft, the wire coiling part is provided with a first shaft hole for the connecting shaft to pass through, and the wire coiling piece is rotationally sleeved on the outer wall of at least part of the connecting shaft;

the driving mechanism is positioned at one side of the winding piece, which is far away from the holding piece, and is fixedly connected with the winding piece, and the driving mechanism and the connecting shaft are coaxially arranged;

the driving mechanism is used for driving the winding piece to rotate reciprocally around the connecting shaft so as to release or wind up the white wire rope wound in the winding space.

Optionally, the driving mechanism comprises a connecting seat and an operating rod;

the connecting seat is fixedly connected with the winding piece and is coaxially arranged with the connecting shaft, and the operating rod is vertically connected to one side, deviating from the winding piece, of the connecting seat.

Optionally, the connecting seat comprises a connecting pin and a hollow connecting rod;

the connecting rod is coaxially arranged with the connecting shaft, the top end of the connecting rod is blocked and vertically connected with the operating rod, the bottom end of the connecting rod is provided with a second shaft hole, and one end of the connecting shaft, which is far away from the holding piece, is penetrated in the second shaft hole and is in clearance fit with the second shaft hole; one end of the connecting pin is connected with the connecting rod, and the other end of the connecting pin extends towards the winding piece and is fixedly connected with the winding piece.

Optionally, the connecting leg is for following the circumference of connecting rod encloses to establish the flange on the outer wall of connecting rod, the flange of connecting deviates from the one side of connecting rod with the pore wall fixed connection in first shaft hole.

Optionally, a stop flange is disposed on an outer wall of the connection seat, the stop flange is located between one surface of the connection seat, which faces away from the winding part, and the operation rod, and in a radial direction along the connection shaft, the size of the stop flange is larger than that of the connection seat.

Optionally, the driving mechanism further includes a handle, and the handle is vertically connected to one end of the operating rod, which is away from the connecting seat, and extends in a direction away from the winding member.

Optionally, a bearing is sleeved on the outer wall of the connecting shaft, an inner ring of the bearing is rotationally connected with the connecting shaft, and an outer ring of the bearing is fixedly connected with the hole wall of the first shaft hole.

Optionally, the number of the bearings is at least two, and at least two bearings are arranged at intervals along the axial direction of the connecting shaft and are respectively arranged at two sides of the half position of the connecting shaft.

Optionally, the holding piece is a holding rod, one side of the holding rod facing the connecting shaft is provided with a circular bracket, the diameter of the circular bracket is larger than that of the holding rod, and the connecting shaft is fixed on the circular bracket.

Optionally, a stop flange is provided on a side of the driving mechanism facing the winding member, the stop flange being arranged in a radial direction of the winding member, and a dimension of the stop flange in a radial direction of the connecting shaft is larger than a dimension of the driving mechanism.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the utility model provides a coiling and uncoiling device for construction, through setting up gripping member, wire coiling piece and actuating mechanism, wire coiling piece includes cylindricality wire coiling portion and two backstop ears, and two backstop ears enclose respectively along the circumference of wire coiling portion and establish the both ends at wire coiling portion, and the radial dimension of two backstop ears is greater than the radial dimension of wire coiling portion, and the radial outer fringe of two backstop ears exposes in the outside of the radial outer fringe of wire coiling portion promptly, and wire coiling portion and two backstop ears enclose jointly and close the wire coiling space that forms and be used for setting up the white cotton rope. One end of the holding piece is provided with a connecting shaft, the winding part is provided with a first shaft hole for the connecting shaft to pass through, and the winding piece is rotationally sleeved on the outer wall of at least part of the connecting shaft; the driving mechanism is positioned at one side of the winding piece, which is far away from the holding piece, and is fixedly connected with the winding piece, and the driving mechanism is coaxially arranged with the connecting shaft; the driving mechanism is used for driving the winding piece to rotate around the connecting shaft in a reciprocating manner so as to release or roll up the white wire rope wound in the winding space, so that when paying out is needed, the driving mechanism can drive the winding piece to rotate around the connecting shaft in a counterclockwise direction by rotating the driving mechanism in a counterclockwise direction, and meanwhile, the white wire rope moves in a direction away from the winding piece so as to be released from the winding space for use. When receiving the line, through rotating actuating mechanism towards the opposite direction such as clockwise, actuating mechanism can drive the reel and rotate clockwise around the connecting axle, and the while white cotton rope removes in order to wind around setting up in the winding space towards the direction that is close to the reel, for subsequent use, compare with the scheme that the whole flitch of manual rotation of worker's hand or abandoned beverage bottle were received the unwrapping wire in prior art, receive and releases the line with receiving and releasing device through the construction that this disclosure provided, it is more convenient to use, thereby receive and release efficiency has been improved, and then make the construction process link up more smoothly, help improving whole construction progress. Simultaneously, because the both ends of coiling spare are provided with the backstop ear respectively, at the in-process of coiling and uncoiling, two backstop ears have the guide effect to the white cotton rope, when further improving coiling and uncoiling efficiency, still have backstop spacing effect to the white cotton rope, prevent that the white cotton rope from appearing taking off, messy line, card line, avoided the extravagant phenomenon emergence of white cotton rope to a certain extent, practiced thrift use cost, promoted user's use experience.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural view of a winding and unwinding device for building construction according to an embodiment of the disclosure;

fig. 2 is an enlarged view of a portion a in fig. 1;

fig. 3 is a schematic partial structure of a winding and unwinding device for building construction according to an embodiment of the disclosure.

Wherein, 1, a holding piece; 2. a driving mechanism; 21. a connecting seat; 211. a connecting pin; 212. a connecting rod; 213. a second shaft hole; 22. an operation lever; 3. a winding member; 31. a winding part; 311. a first shaft hole; 32. a stop lug; 33. a winding space; 4. a connecting shaft; 5. a stop flange; 6. a handle; 7. a circular bracket; 8. and (3) a bearing.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

Referring to fig. 1 to 3, the present embodiment provides a pay-off and take-up device for construction including a grip 1, a wire winding member 3, and a driving mechanism 2. Wherein the winding member 3 is used for winding a white wire rope.

Specifically, referring to fig. 1 and 3, the winding member 3 includes a cylindrical winding portion 31 and two stop lugs 32, the two stop lugs 32 are respectively enclosed at two ends of the winding portion 31 along the circumferential direction of the winding portion 31, the radial dimension R1 of the two stop lugs 32 is greater than the radial dimension R2 of the winding portion 31, and the winding portion 31 and the two stop lugs 32 jointly enclose a winding space 33 for winding a white cord.

The stop lug 32 may be, for example, an annular stop lug, an inner annular wall of the annular stop lug is fixedly connected with an outer wall of the winding portion 31, and an outer annular wall of the annular stop lug is exposed outside the winding portion 31.

The radial dimension R1 of the annular stop lug is the annular width of the annular stop lug, and the radial dimension R2 of the winding portion 31 is the wall thickness of the winding portion 31 in the radial direction.

Because the radial dimension R1 of the stop lugs 32 is greater than the radial dimension R2 of the winding part 31, the radial outer edges of the two stop lugs 32 are exposed outside the radial outer edge of the winding part 31, so that the two stop lugs 32 have a guiding effect on the white wire rope, the winding and the releasing of the white wire rope are facilitated, and the convenience of use and the winding and releasing efficiency are improved. Simultaneously, two stop lugs 32 still have the stopper limiting displacement to the white cotton rope, can prevent to a certain extent that the phenomenon of white cotton rope from appearing the unhooking, messy line, card line from taking place, have avoided the white cotton rope extravagant, have practiced thrift use cost, and user's use experience is better.

Specifically, referring to fig. 1 and 3, a connecting shaft 4 is disposed at one end of the grip member 1, the winding portion 31 has a first shaft hole 311 through which the connecting shaft 4 is inserted, and the winding member 3 is rotatably sleeved on at least part of the outer wall of the connecting shaft 4. The driving mechanism 2 is positioned on one side of the winding piece 3, which is far away from the holding piece 1, and is fixedly connected with the winding piece 3, and the driving mechanism 2 is coaxially arranged with the connecting shaft 4; the driving mechanism 2 is for driving the wire winding member 3 to reciprocally rotate about the connection shaft 4 to release or wind up the white wire rope wound in the wire winding space 33.

In particular, the holding member 1 may be a cylindrical holding rod, for example, which is convenient to hold. The outer wall of the holding rod can be provided with an anti-slip sleeve, an anti-slip stripe and the like.

The connecting shaft 4 may be disposed at the top end of the grip 1, and vertically extends in a direction away from the grip 1, where the connecting shaft 4 and the grip 1 are coaxially disposed, and the structural stability is better. The spiral piece 3 rotates the cover and establishes on connecting axle 4, and actuating mechanism 2 can set up in the top of spiral piece 3 for example, and actuating mechanism 2's top and spiral piece 3's top fixed connection, actuating mechanism 2, connecting axle 4, spiral piece 3, the coaxial setting of gripping piece 1, convenient to use, structural gravity center is stable, and structural stability is better for white cotton rope is more smooth and easy at the in-process of releasing and winding, thereby has further avoided the phenomenon emergence of taking off the line, messy line, card line of white cotton rope.

In particular use, the driving mechanism 2 is rotated in one direction, such as counterclockwise, the driving mechanism 2 drives the winding member 3 to rotate around the connecting shaft 4 in the counterclockwise direction, and the winding member 3 moves the white wire rope wound in the winding space 33 in a direction away from the winding member 3 during the counterclockwise rotation, so as to be released from the winding member 3 for use.

The driving mechanism 2 is rotated clockwise in the opposite direction, for example, the driving mechanism 2 drives the winding part 3 to rotate clockwise in the same direction around the connecting shaft 4, the winding part 3 moves in the direction close to the winding part 3 in the clockwise rotating process so that the white thread rope released outside moves in the winding direction close to the winding part 3, and the white thread rope is wound in the winding space 33 of the winding part 3 for subsequent use, so that the winding and unwinding device is convenient to use, has higher winding and unwinding efficiency, enables construction procedures to be connected smoothly, and is further beneficial to improving the overall construction progress.

Of course, the white thread rope can be released under the action of external tension, so that time and labor are saved. Specifically, an outward pulling force is applied to the free end of the white cord, so that the free end of the white cord moves in a direction away from the winding member 3, and since the white cord is wound on the winding member 3 and the winding member 3 is rotatably connected with the connecting shaft 4, the white cord can drive the winding member 3 to rotate when moving in a direction away from the winding member 3 under the action of the external pulling force, so that more white cords wound in the winding space 33 of the winding member 3 are released for use.

The winding and unwinding device for building construction provided in this embodiment is through setting up grip 1, wire winding piece 3 and actuating mechanism 2, wire winding piece 3 includes cylindricality wire winding portion 31 and two stop lugs 32, two stop lugs 32 enclose respectively at the both ends of wire winding portion 31 along the circumference of wire winding portion 31, and the radial dimension of two stop lugs 32 is greater than the radial dimension of wire winding portion 31, namely the radial outer fringe of two stop lugs 32 shows in the outside of the radial outer fringe of wire winding portion 31, wire winding portion 31 and two stop lugs 32 enclose jointly and form the wire winding space 33 that is used for coiling the white cotton rope. One end of the holding piece 1 is provided with a connecting shaft 4, the winding part 31 is provided with a first shaft hole 311 through which the connecting shaft 4 can pass, and the winding piece 3 is rotatably sleeved on at least part of the outer wall of the connecting shaft 4; the driving mechanism 2 is positioned on one side of the winding piece 3, which is far away from the holding piece 1, and is fixedly connected with the winding piece 3, and the driving mechanism 2 is coaxially arranged with the connecting shaft 4; the driving mechanism 2 is used for driving the wire winding member 3 to rotate reciprocally around the connecting shaft 4 to release or wind up the white wire rope wound in the wire winding space 33, so that when the wire is to be paid out, the driving mechanism 2 can drive the wire winding member 3 to rotate counterclockwise around the connecting shaft 4 by rotating the driving mechanism 2 in one direction, such as counterclockwise, and at the same time, the white wire rope moves in a direction away from the wire winding member 3 to be released from the wire winding space 33 for use. When the line is reeled, through rotating the actuating mechanism 2 towards the opposite direction such as clockwise, actuating mechanism 2 can drive the reel 3 and rotate clockwise around connecting axle 4, and simultaneously the white cotton rope moves in order to reel around setting up in winding space 33 towards the direction that is close to reel 3, for the follow-up use, compare with the scheme that the whole flitch of manual rotation of worker in prior art or abandoned beverage bottle carry out the line of reeving, receive and releases the line with the line device of reeving through the construction that this embodiment provided, it is more convenient to use, thereby it is more smooth and easy to have improved the line efficiency of reeving, and then make the construction process link up more, help improving whole construction progress. Simultaneously, owing to be provided with backstop ear 32 respectively at the both ends of reel 3, at the in-process of receive and releases the line, two backstop ears 32 have the guide effect to the white cotton rope, when further improving receive and release efficiency, still have backstop spacing effect to the white cotton rope, prevent that the white cotton rope from appearing taking off, messy line, card line, avoided the extravagant phenomenon emergence of white cotton rope to a certain extent, practiced thrift use cost, promoted user's use experience.

In some embodiments, referring to fig. 2 and 3, the drive mechanism 2 includes a connection base 21 and an operating lever 22. The connecting seat 21 is fixedly connected with the wire coiling member 3 and is coaxially arranged with the connecting shaft 4, the operating rod 22 is vertically connected to one side, deviating from the wire coiling member 3, of the connecting seat 21, and the wire coiling and uncoiling device is simple in structure, easy to manufacture and convenient to rotate and operate.

Through setting up connecting seat 21, make connecting seat 21 and reel 3 fixed connection to establish the coaxial setting of connecting axle 4 of reel 3 with the cover, thereby make the white cotton rope more smooth and easy, stable at the in-process of roll-up and release, convenient to use, simultaneously, further avoided the white cotton rope to appear the phenomenon emergence of taking off, messy line, card line.

In addition, set up action bars 22 in the one end that connecting seat 21 deviates from spiral piece 3, action bars 22 are perpendicular with connecting seat 21, and the action bars 22 of holding just so can drive connecting seat 21 rotation to drive spiral piece 3 syntropy rotation, in order to release or roll up white cotton rope, the simple operation.

In some embodiments, referring to fig. 2, the connection base 21 includes a connection leg 211 and a hollow connection rod 212. The connecting rod 212 is coaxially arranged with the connecting shaft 4, the top end of the connecting rod 212 is blocked and vertically connected with the operating rod 22, the bottom end of the connecting rod 212 is provided with a second shaft hole 213, and one end of the connecting shaft 4, which is far away from the holding piece 1, is penetrated in the second shaft hole 213 and is in clearance fit with the second shaft hole 213; one end of the connecting leg 211 is connected with the connecting rod 212, and the other end of the connecting leg 211 extends towards the winding member 3 and is fixedly connected with the winding member 3.

By providing the second shaft hole 213 at the bottom end of the connecting rod 212, one end of the connecting shaft 4 (refer to the top end of the connecting shaft 4 shown in fig. 2) facing away from the grip 1 is inserted into the second shaft hole 213, and the connecting shaft 4 is in clearance fit with the second shaft hole 213, so that the connecting rod 212 can rotate around the connecting shaft 4, that is, the connecting shaft 4 does not interfere with the rotation of the connecting rod 212, and the connecting seat 21 is convenient to rotate to realize winding and releasing of the white wire rope. Meanwhile, the connecting rod 212 is sleeved on the connecting shaft 4, the connecting shaft 4 also has guiding and limiting effects on the rotation of the connecting rod 212, so that the rotation of the connecting rod 212 is more stable and smooth, the winding and releasing of the white wire rope are smoother, the use is convenient, and the winding and releasing efficiency of the white wire rope is further improved.

In some embodiments, the connection pins 211 are connection flanges surrounding the outer wall of the connection rod 212 along the circumference of the connection rod 212, and a face of each connection flange facing away from the connection rod 212 is fixedly connected with the hole wall of the first shaft hole 311.

The connection pin 211 may be connected to the bottom end of the connection rod 212, and extends toward the direction close to the winding member 3, where the bottom end of the connection pin 211 is fixed to the hole wall of the first shaft hole 311.

The connecting pins 211 are arranged into the connecting flanges which are distributed along the circumferential direction of the connecting rod 212, so that the joint area between the connecting pins 211 and the first shaft hole 311 is increased, the connecting strength between the connecting pins 211 and the first shaft hole 311 is higher, and the force application is uniform, so that the rotation is convenient.

In some embodiments, referring to fig. 1 to 3, a stop flange 5 is provided on the outer wall of the connection holder 21, the stop flange 5 is located between the lever 22 and the side of the connection holder 21 facing away from the wire winding member 3, and the dimension of the stop flange 5 is larger than the dimension of the connection holder 21 in the radial direction along the connection shaft 4, i.e., the radial dimension of the stop flange 5 is larger than the radial dimension of the connection holder 21.

In particular, when the operation rod 22 is rotated, the operator can not interfere the winding and releasing of the white wire rope, the use safety is good, and the phenomena of wire-off, wire disorder and wire clamping of the white wire rope are further avoided, so that the winding and releasing efficiency is further improved.

In some embodiments, referring to fig. 1 to 3, the driving mechanism 2 further includes a handle 6, where the handle 6 is vertically connected to an end of the operating rod 22 facing away from the connecting seat 21 and extends in a direction away from the winding member 3, and the handle 6 is held to drive the operating rod 22 to rotate, so as to implement winding and releasing of the white cord.

The handle 6 is vertically arranged on one side, deviating from the connecting seat 21, of the operating rod 22, so that the operating space is increased, the moment is increased, the rotating of the operating rod 22 is more time-saving and labor-saving, and the winding and unwinding efficiency is higher.

In some embodiments, referring to fig. 1 to 3, a bearing 8 is sleeved on the outer wall of the connecting shaft 4, an inner ring of the bearing 8 is rotationally connected with the connecting shaft 4, an outer ring of the bearing 8 is fixedly connected with a hole wall of the first shaft hole 311, and the structure is simple and easy to manufacture.

The rolling piece 3 is connected with the connecting shaft 4 in a rotating way through the bearing 8, so that the rolling piece 3 can move back and forth around the connecting shaft 4 conveniently, rolling and releasing of the white wire rope are realized, and the use is convenient.

In some embodiments, as shown with reference to fig. 1 and 3, there are at least two bearings 8, and at least two bearings 8 are disposed at intervals along the axial direction of the connecting shaft 4 and are disposed separately on both sides of the connecting shaft 4 at a half position.

The winding piece 3 is rotationally connected to the connecting shaft 4 through the plurality of bearings 8, so that the winding piece 3 rotates more flexibly and conveniently, the winding and releasing of the white wire rope wound on the winding piece 3 are more free and flexible, and the winding and releasing efficiency is higher.

Meanwhile, the bearings 8 are arranged along the axial direction of the connecting shaft 4 at intervals and are respectively arranged on two sides of one half of the connecting shaft 4, so that the rotation of the winding part 3 is more stable and smooth on the basis of flexible and convenient rotation of the winding part 3, and the use convenience is improved.

In some embodiments, referring to fig. 1 and 3, the grip 1 is a grip lever, the side of the grip lever facing the connection shaft 4 has a circular socket 7, the diameter of the circular socket 7 is larger than the diameter of the grip lever, and the connection shaft 4 is fixed on the circular socket 7.

The circular receptacle 7 can be arranged, for example, at the top end of the grip lever.

Through setting up circular bracket 7 on the top of holding the pole, make the diameter of circular bracket 7 be greater than the diameter of holding the pole, with connecting axle 4 coaxial and fixed connection on circular bracket 7, promoted the bearing support performance of holding the pole to connecting axle 4 like this on the one hand for the structure is more stable. On the other hand, the circular bracket 7 also has a limit stop function on the winding piece 3, so that the winding piece 3 is protected to a certain extent.

In some embodiments, as shown with reference to fig. 1 to 3, the side of the driving mechanism 2 facing the winding member 3 is provided with a stopper flange 5, the stopper flange 5 being arranged in the radial direction of the winding member 3, and the size of the stopper flange 5 in the radial direction along the connecting shaft 4 is larger than the size of the driving mechanism 2, i.e., the radial size of the stopper flange 5 is larger than the radial size of the driving mechanism 2.

Through setting up backstop flange 5 on actuating mechanism 2, and the radial dimension of backstop flange 5 is greater than actuating mechanism 2's radial dimension to make backstop flange 5 have certain guard action to the white cotton rope of coiling in wire winding space 33, can not produce the interference to the roll-up and the release of white cotton rope when rotating actuating mechanism 2 like this, the safety in utilization is better, has further avoided the white cotton rope to appear the phenomenon emergence of dislocation, messy line, card line, thereby has further promoted receive and release efficiency.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The winding and unwinding device for building construction is characterized by comprising a holding piece (1), a winding piece (3) and a driving mechanism (2);

the winding piece (3) comprises a cylindrical winding part (31) and two stop lugs (32), the two stop lugs (32) are respectively arranged at two ends of the winding part (31) in a surrounding mode along the circumferential direction of the winding part (31), the radial size of the two stop lugs (32) is larger than that of the winding part (31), and the winding part (31) and the two stop lugs (32) are jointly arranged to form a winding space (33) for winding a white cotton rope;

one end of the holding piece (1) is provided with a connecting shaft (4), the winding part (31) is provided with a first shaft hole (311) through which the connecting shaft (4) can be penetrated, and the winding piece (3) is rotatably sleeved on the outer wall of at least part of the connecting shaft (4);

the driving mechanism (2) is positioned on one side of the winding piece (3) which is far away from the holding piece (1), and is fixedly connected with the winding piece (3), and the driving mechanism (2) and the connecting shaft (4) are coaxially arranged; the driving mechanism (2) is used for driving the winding piece (3) to rotate reciprocally around the connecting shaft (4) so as to release or wind up the white thread rope wound in the winding space (33).

2. The winding and unwinding device for building construction according to claim 1, characterized in that said driving mechanism (2) comprises a connection seat (21) and an operating lever (22);

the connecting seat (21) is fixedly connected with the winding piece (3) and coaxially arranged with the connecting shaft (4), and the operating rod (22) is vertically connected to one side, deviating from the winding piece (3), of the connecting seat (21).

3. The winding and unwinding device for building construction according to claim 2, characterized in that said connection seat (21) comprises a connection foot (211) and a hollow connection rod (212);

the connecting rod (212) is coaxially arranged with the connecting shaft (4), the top end of the connecting rod (212) is blocked and vertically connected with the operating rod (22), the bottom end of the connecting rod (212) is provided with a second shaft hole (213), and one end of the connecting shaft (4) which is far away from the holding piece (1) is penetrated in the second shaft hole (213) and is in clearance fit with the second shaft hole (213); one end of the connecting pin (211) is connected with the connecting rod (212), and the other end of the connecting pin (211) extends towards the winding piece (3) and is fixedly connected with the winding piece (3).

4. A winding and unwinding device for building construction according to claim 3, characterized in that the connecting leg (211) is a connecting flange circumferentially surrounding the connecting rod (212) on the outer wall of the connecting rod (212), and a surface of the connecting flange facing away from the connecting rod (212) is fixedly connected with the hole wall of the first shaft hole (311).

5. The winding and unwinding device for building construction according to claim 2, characterized in that a stop flange (5) is provided on the outer wall of the connection seat (21), said stop flange (5) being located between the side of the connection seat (21) facing away from the winding element (3) and the operating lever (22), and in the radial direction of the connection shaft (4), the size of the stop flange (5) being greater than the size of the connection seat (21).

6. The winding and unwinding device for building construction according to claim 2, characterized in that said driving mechanism (2) further comprises a handle (6), said handle (6) being vertically connected to an end of said operating lever (22) facing away from said connection seat (21) and extending in a direction away from said winding member (3).

7. The winding and unwinding device for building construction according to claim 1, characterized in that a bearing (8) is sleeved on the outer wall of the connecting shaft (4), an inner ring of the bearing (8) is rotationally connected with the connecting shaft (4), and an outer ring of the bearing (8) is fixedly connected with the hole wall of the first shaft hole (311).

8. The winding and unwinding device for building construction according to claim 7, wherein at least two bearings (8) are provided, and at least two bearings (8) are provided at intervals along the axial direction of the connecting shaft (4) and are provided separately on both sides of the connecting shaft (4) at a half position.

9. The pay-off and take-up device for building construction according to any of claims 1-8, characterized in that the grip (1) is a grip lever, the side of the grip lever facing the connecting shaft (4) is provided with a circular bracket (7), the diameter of the circular bracket (7) is larger than the diameter of the grip lever, and the connecting shaft (4) is fixed on the circular bracket (7).

10. The pay-off and take-up device for construction according to any of claims 1 to 8, characterized in that the side of the drive mechanism (2) facing the winding member (3) is provided with a stop flange (5), the stop flange (5) being arranged in the radial direction of the winding member (3), and in the radial direction of the connecting shaft (4), the stop flange (5) being larger in size than the drive mechanism (2).