Efficient and convenient steel bar clamp

Abstract

The utility model discloses an efficient and convenient steel bar clamp, which belongs to the technical field of steel bar drawing clamps, and comprises a sleeve, a clamping cylinder and a hoisting plate are respectively fixed at two ends of the sleeve, and the hoisting plate is provided with a hoisting ring; an end cover is arranged at the end part of the clamping cylinder; the sleeve, the clamping cylinder and the end cover are provided with coaxial cylindrical cavities; the sleeve comprises a first sleeve body, and the first sleeve body is provided with a first clamp cavity. The clamping jaw horizontally moves towards the circle center of the first cylinder body to clamp a reinforcing steel bar, so that the reinforcing steel bar is stably clamped, an operator can pull out the reinforcing steel bar in a manual or machine driving mode by installing the pull rope on the hanging ring, and the problem that the reinforcing steel bar is difficult to grab in a narrow space in the prior art is solved. The steel bar knotting device is simple and convenient to operate, stable in steel bar clamping and small in danger, and meanwhile, the time spent by an operator in using a knotting method can be shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar drawing clamps, in particular to an efficient and convenient steel bar clamp. Background Art

[0002] With the development of the construction industry, a large number of steel bars are used in various types of building structures. Since the steel bars are often installed very firmly, it is very inconvenient and time-consuming to remove them when they need to be removed. The labor intensity is also high for operators.

[0003] Currently, the existing technology lacks a simple and effective means of pulling out steel bars, especially in narrow terrain, where the part of the steel bars exposed above the ground is difficult to grab, and pulling out the steel bars is time-consuming and laborious, which is very inconvenient.

[0004] In addition, due to the high labor intensity in related industries, work is sometimes required at night. However, when pulling steel bars at night, it is very inconvenient to rely solely on construction site lighting. The light of the lighting is often blocked by some equipment on the construction site or by workers surrounding the steel bars. Therefore, it is necessary to carry additional lighting fixtures, which is very inconvenient.

[0005] Therefore, we proposed an efficient and convenient steel bar clamp to solve the above problems.

[0006] The above information disclosed in this background technology is only used to increase the understanding of the background technology of the present invention and therefore, it may include information that does not constitute the prior art known to ordinary technicians in this field. Utility Model Content

[0007] The purpose of the utility model is to provide an efficient and convenient steel bar clamp to solve the problems in the current market raised by the above background technology.

[0008] To achieve the above-mentioned purpose, the utility model provides an efficient and convenient steel bar clamp, comprising a sleeve, a clamp and a hanging plate are respectively fixed at both ends of the sleeve, and the hanging plate is provided with a hanging ring;

[0009] The end of the chuck is provided with an end cover;

[0010] The sleeve, the clamp and the end cover are provided with a coaxial cylindrical cavity;

[0011] The sleeve comprises a cylinder body 1, and the cylinder body 1 is provided with a fixture cavity 1;

[0012] The chuck includes a chuck, which is provided with a clamp cavity 2 corresponding to the clamp cavity 1, and the chuck is provided with a clamp claw located in the clamp cavity 2. The chuck is also provided with a bolt hole, and a first limiting bolt is provided in the bolt hole. The bottom surface of the clamp claw is an inclined surface, and the end of the first limiting bolt is in contact with the end of the clamp claw.

[0013] Preferably, it also includes a lamp;

[0014] The end cover comprises a protective cover, and the protective cover is provided with an annular cavity and a movable cavity;

[0015] The lamp comprises an adjustment ring located in the annular cavity, an adjustment rod is fixed to the adjustment ring, and the adjustment rod passes through the movable cavity to the outside of the protective cover;

[0016] The lamp also includes a transmission rod, a rack and a gear. The transmission rod is rotatably connected to the adjustment ring, the rack is rotatably connected to the transmission rod, the rack is clamped in the protective cover, the gear is rotatably connected to the protective cover through a rotating shaft, the gear is provided with a lighting lamp, and the gear is meshingly connected to the rack.

[0017] Preferably, it further comprises a limiting cylinder, wherein the limiting cylinder comprises a second cylinder body coaxially arranged in the first cylinder body, a second limiting bolt is arranged on the second cylinder body, and a spring is sleeved on the second cylinder body;

[0018] The cylinder body 1 is provided with a spiral groove, and the second limiting bolt passes through the spiral groove to the outside of the cylinder body 1;

[0019] The spiral groove is in the shape of a smooth spiral line, or a semicircular groove is provided on the basis of the spiral line.

[0020] Preferably, the clamping jaws are provided in at least three groups and are distributed in a circular array in the chuck. The cross-section of the clamping jaws is trapezoidal and the inner side surface is provided with notches.

[0021] Preferably, when the adjustment ring is rotated to a maximum angle, the rotation angle of the lighting lamp is less than ninety degrees.

[0022] Preferably, the height difference from the bottom to the top of the spiral groove matches the distance from the bottom of the second cylinder to the top surface of the clamping jaw.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] (1) The utility model puts a clamping cylinder on the steel bar and installs a first limiting bolt at the end cover. When the first limiting screw is screwed in, its end pushes the clamping jaw to move toward the middle, or uses a spring to limit the position of the clamping jaw. When the cylinder body and the clamping jaw slide relative to each other, the clamping jaw simultaneously moves horizontally toward the center of the cylinder body to clamp the steel bar, so that the steel bar is firmly clamped. The operator installs a pull rope on the lifting ring and can pull out the steel bar manually or by machine drive. This solves the problem of difficulty in grasping steel bars in a narrow space in the prior art. The operation is simple and convenient, the steel bars are firmly clamped, and the danger is relatively low. At the same time, it can reduce the time spent by the operator when using the knotting method.

[0025] (2) The utility model uses a lighting lamp to illuminate the location of the steel bar to determine the specific location of the steel bar, which is convenient for inserting the sleeve onto the steel bar. In addition, it has the function of adjusting the angle of the lighting lamp. Only by turning the adjustment lever, the light from multiple lighting lamps can be converged at one point either at a relatively close distance or at a relatively far distance, which is convenient for operators to use. The operation is simple and there is no need to carry additional lamps, which improves convenience.

[0026] (3) The structure is self-tightening, so that the device can adjust itself and reach a tightened state during assembly or use. This design not only simplifies the operation process and improves work efficiency, but also helps to ensure the stability and reliability of the connection and reduce the problem of insufficient clamping force or excessive clamping caused by improper manual operation.

[0027] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0029] Figure 2 It is a structural schematic diagram of the sleeve of the utility model;

[0030] Figure 3 It is a structural schematic diagram of the chuck of the utility model;

[0031] Figure 4 It is a schematic diagram of the matching of the sleeve and the end cover of the utility model;

[0032] Figure 5 This is a schematic diagram of the installation of the end cover and the lamp of the utility model;

[0033] Figure 6 It is a structural schematic diagram of the limiting cylinder of the utility model;

[0034] Figure 7 It is a structural schematic diagram of the lamp of the utility model;

[0035] Figure 8 for Figure 7 A magnified view of the structure at center.

[0036] In the figure: 1, sleeve; 2, clamping tube; 3, end cover; 4, lifting plate; 5, lifting ring; 6, lamp; 7, limit tube;

[0037] 101, cylinder body 1; 102, spiral groove; 103, fixture cavity 1;

[0038] 201, chuck; 202, second clamp cavity; 203, clamping claw; 204, bolt hole; 205, first limiting bolt;

[0039] 301, protective cover; 302, annular cavity; 303, movable cavity;

[0040] 601, adjusting ring; 602, adjusting rod; 603, transmission rod; 604, rack; 605, gear; 606, rotating shaft; 607, lighting lamp;

[0041] 701, cylinder body 2; 702, second limiting bolt; 703, spring. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. It should be pointed out that the drawings are schematic and not drawn to scale. For the sake of clarity and convenience in the figures, the relative sizes and proportions of the parts shown in the figures are exaggerated or reduced in size, and any size is only exemplary and not restrictive.

[0043] See also Figure 1-Figure 8 , an efficient and convenient steel bar clamp, comprising: a sleeve 1, a clamping tube 2, an end cover 3, a hanging plate 4, a hanging ring 5, a lamp 6 and a limiting tube 7;

[0044] The sleeve 1 includes a cylinder body 101, the cylinder body 101 is provided with a spiral groove 102 and a fixture cavity 103, the fixture cavity 103 is provided with three groups, which are arranged in an array, the clamp 2 and the hanging plate 4 are respectively fixed at both ends of the cylinder body 101, wherein the clamp 2 is installed on the end surface located at the fixture cavity 103, the hanging ring 5 is installed on the hanging plate 4, and the spiral groove 102 is a smooth spiral shape, or a semicircular clamping hole is opened on the basis of the spiral shape;

[0045] The chuck 2 includes a chuck 201, which is provided with a second chuck cavity 202 corresponding to the first chuck cavity 103, and a clamping jaw 203 located in the second chuck cavity 202. The chuck 201 is also provided with a bolt hole 204, and a first limiting bolt 205 is provided in the bolt hole 204. The cross section of the clamping jaw 203 is trapezoidal, the bottom surface is an inclined surface, and the inner side surface is provided with notches. The clamping jaw 203 is also provided with three groups, which are correspondingly arranged in the second chuck cavity 202, and the end of the first limiting bolt 205 is in contact with the end of the clamping jaw 203;

[0046] The end cover 3 includes a protective cover 301, the protective cover 301 is provided with an annular cavity 302 and a movable cavity 303, and the protective cover 301 is fixed on the chuck 201;

[0047] The lamp 6 includes an adjustment ring 601 located in the annular cavity 302, the adjustment ring 601 is fixed with an adjustment rod 602, the adjustment rod 602 passes through the movable cavity 303 to the outside of the protective cover 301, the lamp 6 also includes a transmission rod 603, a rack 604 and a gear 605, the transmission rod 603 is rotatably connected to the adjustment ring 601, the rack 604 is rotatably connected to the transmission rod 603, the rack 604 is clamped in the protective cover 301, the gear 605 is rotatably connected to the protective cover 301 through a rotating shaft 606, the gear 605 is provided with an illuminating lamp 607, the gear 605 is meshedly connected with the rack 604, and the rotation angle of the illuminating lamp 607 when the adjustment ring 601 is rotated to the maximum angle is less than ninety degrees;

[0048] The limiting cylinder 7 includes a cylinder body 701, which is coaxially arranged in the cylinder body 101. The cylinder body 701 is provided with a second limiting bolt 702. The cylinder body 701 is also sleeved with a spring 703. The cylinder body 101 is provided with a spiral groove 102. The second limiting bolt 702 passes through the spiral groove 102 to the outside of the cylinder body 101. The height difference from the bottom to the top of the spiral groove 102 is adapted to the distance from the bottom of the cylinder body 701 to the top surface of the clamping jaw 203.

[0049] The design of the spiral groove 102 enables the clamp to have two different ways of clamping steel bars. One is to use the relative sliding of the cylinder 101 and the clamping jaw 203 to enable the clamping jaw 203 to clamp the steel bars. The advantage is that the more force is applied upward when pulling upward, the greater the clamping force is, which can effectively prevent the steel bars from falling out during the pulling process; the second is to use the first limiting bolt 205 to squeeze the inclined surface of the clamping jaw 203 to make it move inward to clamp the steel bars. The advantage is that the clamping force is relatively stable, and the size of the clamping force can be adjusted according to different needs.

[0050] Working principle of this embodiment: When the spiral groove 102 is a spiral with a clamping hole: in the initial state, the first limiting bolt 205 is not installed in the bolt hole 204. When in use, first insert the steel bar through the end cover 3 until the end of the steel bar passes over the clamping claw 203, and then screw the first limiting bolt 205 into the bolt hole. After the end of the first limiting bolt 205 contacts the clamping claw 203, the clamping claw 203 is driven to move in the horizontal direction and squeeze the steel bar until a stable state is reached. The operator rotates the limiting cylinder 7 to make it at a suitable height so that the end of the steel bar is located therein, and clamps the second limiting bolt 702 in the corresponding spiral groove 1 02, a pull rope is installed on the lifting ring 5, and the steel bar can be pulled out by pulling the pull rope; when the spiral groove 102 is a smooth spiral line, the operation method is: control the second limit bolt 702 to keep the cylinder 2 701 fixed, and when pulling upward, the cylinder 1 101 and the cylinder 2 701 slide relative to each other, and the spring 703 sleeved on the cylinder 2 701 presses the clamping claw 203, and the clamping claw 203 slides horizontally toward the center of the cylinder 1 101, and then clamps the steel bar. In the process of pulling upward, the more the cylinder 101 is upward, the greater the clamping force. After pulling out the steel bar, push the cylinder 101 in the opposite direction to take out the steel bar. When lighting is needed at night, the angle of the lighting lamp 607 is changed to a suitable state by toggling the adjustment rod 602, and then the steel bar can be pulled out according to the above method.

[0051] The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0052] In the description of the present utility model, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. The meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0053] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0055] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0056] In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other.

[0057] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An efficient and convenient steel bar clamp, characterized in that: It comprises a sleeve (1), with a clamp (2) and a hanging plate (4) respectively fixed at two ends of the sleeve (1), and the hanging plate (4) is provided with a hanging ring (5); An end cover (3) is provided at the end of the chuck (2); The sleeve (1), the clamp (2) and the end cover (3) are provided with a coaxial cylindrical cavity; The sleeve (1) comprises a cylinder body (101), and the cylinder body (101) is provided with a clamp cavity (103); The chuck (2) comprises a chuck (201), the chuck (201) is provided with a second clamp cavity (202) corresponding to the first clamp cavity (103), the chuck (201) is provided with a clamp claw (203) located in the second clamp cavity (202), the chuck (201) is also provided with a bolt hole (204), a first limiting bolt (205) is provided in the bolt hole (204), the bottom surface of the clamp claw (203) is an inclined surface, and the end of the first limiting bolt (205) is in contact with the end of the clamp claw (203).

2. An efficient and convenient steel bar clamp according to claim 1, characterized in that: Also includes a lamp (6); The end cover (3) comprises a protective cover (301), and the protective cover (301) is provided with an annular cavity (302) and a movable cavity (303); The lamp (6) comprises an adjustment ring (601) located in the annular cavity (302), the adjustment ring (601) being fixed with an adjustment rod (602), and the adjustment rod (602) passing through the movable cavity (303) to the outside of the protective cover (301); The lamp (6) further comprises a transmission rod (603), a rack (604) and a gear (605); the transmission rod (603) is rotationally connected to the adjustment ring (601); the rack (604) is rotationally connected to the transmission rod (603); the rack (604) is clamped in the protective cover (301); the gear (605) is rotationally connected to the protective cover (301) via a rotating shaft (606); the gear (605) is provided with a lighting lamp (607); and the gear (605) is meshingly connected to the rack (604).

3. An efficient and convenient steel bar clamp according to claim 1, characterized in that: It also includes a limiting cylinder (7), the limiting cylinder (7) including a second cylinder (701) coaxially arranged in the first cylinder (101), a second limiting bolt (702) is arranged on the second cylinder (701), and a spring (703) is sleeved on the second cylinder (701); The cylinder body 1 (101) is provided with a spiral groove (102), and the second limiting bolt (702) passes through the spiral groove (102) to the outside of the cylinder body 1 (101); The spiral groove (102) is in the shape of a smooth spiral line, or is a semicircular groove formed on the basis of the spiral line.

4. An efficient and convenient steel bar clamp according to claim 1, characterized in that: The clamping jaws (203) are provided in at least three groups and are distributed in a circular array in the clamping head (201). The cross-section of the clamping jaws (203) is trapezoidal, and the inner side surface is provided with notches.

5. The efficient and convenient steel bar clamp according to claim 2 is characterized in that: When the adjustment ring (601) is rotated to the maximum angle, the rotation angle of the lighting lamp (607) is less than ninety degrees.

6. An efficient and convenient steel bar clamp according to claim 3, characterized in that: The height difference between the bottom and top of the spiral groove (102) matches the distance from the bottom of the second cylinder (701) to the top surface of the clamping claw (203).

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