Portable steel plate clamp

Abstract

The utility model discloses a portable steel plate clamp. The portable steel plate clamp comprises an outer pulling arm, an inner pulling arm, an inner clamping arm and an outer clamping arm, the inner clamping arm is hinged to the outer clamping arm, and the hinge point is located at the middle point of the inner clamping arm and the outer clamping arm; the inner clamping arm and the outer clamping arm are arc-shaped structural bodies and are arranged in opposite directions; the bottom ends of the inner clamping arm and the outer clamping arm serve as clamping heads, the top end of the inner clamping arm is hinged to one end of the inner pulling arm, and the top end of the outer clamping arm is hinged to the bottom end of the outer pulling arm; and the other end of the inner pull arm is hinged with the middle end of the outer pull arm. Through the structural arrangement of the portable steel plate clamp, the function that the steel plate can be clamped by lifting the independent outer pulling arm is achieved, and the clamping operation procedure is simplified. In addition, the device is simple in structure, all the arms are in a folded state when the chuck is opened, occupied space is small, and therefore the device is convenient to carry.

Description

Technical Field

[0001] The utility model belongs to the field of building construction tools, in particular to a portable steel plate clamp. Background Art

[0002] With the vigorous development of infrastructure, more and more bridges, industrial buildings and civil buildings are being built. In the process of engineering construction, a large number of various steel plates are often used, such as the deck pavement of steel trestles and temporary treatment of soft foundations. In order to meet the needs of fast and safe transportation, it is urgent to design a portable steel plate clamp. Utility Model Content

[0003] The purpose of the utility model is to overcome the problems of the prior art and disclose a portable steel plate clamp. Through the structural setting of the portable steel plate clamp, the function of clamping the steel plate can be achieved by lifting a single outer pulling arm, thereby simplifying the clamping operation process.

[0004] The purpose of the utility model is achieved through the following technical solutions:

[0005] A portable steel plate clamp, comprising: an outer pulling arm, an inner pulling arm, an inner clamping arm and an outer clamping arm;

[0006] The inner clamp arm and the outer clamp arm are hingedly connected, and the hinge point is located at the midpoint of the inner clamp arm and the outer clamp arm;

[0007] The inner clamp arm and the outer clamp arm are arc-shaped structures and are arranged in opposite directions;

[0008] The bottom ends of the inner clamp arm and the outer clamp arm serve as clamping heads, the top end of the inner clamp arm is hingedly connected to one end of the inner pull arm, and the top end of the outer clamp arm is hingedly connected to the bottom end of the outer pull arm;

[0009] The other end of the inner pull arm is hingedly connected to the middle end of the outer pull arm.

[0010] According to a preferred embodiment, an initial preload spring is provided near the position of the clamp formed by the inner clamp arm and the outer clamp arm; both ends of the initial preload spring are respectively connected to the inner clamp arm and the outer clamp arm, and the clamp has a closing tendency.

[0011] According to a preferred embodiment, the bottom ends of the inner clamp arm and the outer clamp arm are respectively provided with rubber anti-slip teeth blocks.

[0012] According to a preferred embodiment, the inner clamp arm and the outer clamp arm are J-shaped structures.

[0013] According to a preferred embodiment, a lifting ring is provided at the top end of the outer pulling arm.

[0014] According to a preferred embodiment, the lifting ring is a wire rope ring.

[0015] According to a preferred embodiment, the inner clamp arm and the outer clamp arm are hingedly connected via a fourth pin.

[0016] According to a preferred embodiment, the outer clamping arm is hingedly connected to the outer pulling arm via a third pin shaft.

[0017] According to a preferred embodiment, the inner clamping arm is hingedly connected to the inner pulling arm via a second pin shaft.

[0018] According to a preferred embodiment, the inner pull arm is hingedly connected to the outer pull arm via a first pin.

[0019] The above-mentioned main scheme of the utility model and its further optional schemes can be freely combined to form multiple schemes, all of which are schemes that can be adopted and claimed for protection by the utility model. After understanding the scheme of the utility model, those skilled in the art can understand that there are many combinations based on the existing technology and common knowledge, all of which are technical schemes to be protected by the utility model, and they are not exhaustively listed here.

[0020] Beneficial effects of the utility model:

[0021] Through the structural setting of the portable steel plate clamp, the function of clamping the steel plate can be achieved by lifting a single outer pulling arm, simplifying the clamping operation process. In addition, the device has a simple structure, and when the clamp is opened, each arm is in a folded state, which takes up little space and is easy to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the portable steel plate clamp of the utility model;

[0023] Figure 2 It is a three-dimensional structural schematic diagram of the portable steel plate clamp of the utility model;

[0024] Among them, 1-lifting ring, 2-outer pulling arm, 3-inner pulling arm, 4-inner clamping arm, 5-outer clamping arm, 6-initial preload spring, 7-rubber anti-slip tooth block, 8-first pin shaft, 9-second pin shaft, 10-third pin shaft, 11-fourth pin shaft. DETAILED DESCRIPTION

[0025] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0026] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0027] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0028] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0029] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In addition, the present utility model should point out that, in the present utility model, if the specific structure, connection relationship, position relationship, power source relationship, etc. are not specifically written out, the structure, connection relationship, position relationship, power source relationship, etc. involved in the present utility model are all known by technical personnel in this field on the basis of existing technology without creative work.

[0031] Embodiment 1:

[0032] refer to Figure 1 As shown in the figure, a portable steel plate clamp is shown, and the portable steel plate clamp includes: an outer pulling arm 2, an inner pulling arm 3, an inner clamping arm 4 and an outer clamping arm 5.

[0033] Preferably, the inner clamp arm 4 and the outer clamp arm 5 are hingedly connected, and the hinge point is located at the midpoint of the inner clamp arm 4 and the outer clamp arm 5; the inner clamp arm 4 and the outer clamp arm 5 are arc-shaped structures and are arranged in reverse; the bottom ends of the inner clamp arm 4 and the outer clamp arm 5 serve as clamping heads, the top end of the inner clamp arm 4 is hingedly connected to one end of the inner pulling arm 3, and the top end of the outer clamp arm 5 is hingedly connected to the bottom end of the outer pulling arm 2; the other end of the inner pulling arm 3 is hingedly connected to the middle end of the outer pulling arm 2.

[0034] Preferably, an initial preload spring 6 is provided near the position of the clamp formed by the inner clamp arm 4 and the outer clamp arm 5; both ends of the initial preload spring 6 are respectively connected to the inner clamp arm 4 and the outer clamp arm 5, and make the clamp have a closing tendency.

[0035] Preferably, the bottom ends of the inner clamp arm 4 and the outer clamp arm 5 are respectively provided with rubber anti-slip tooth blocks 7, that is, the clamping position is composed of rubber anti-slip tooth blocks 7, thereby improving the safety of the clamping process.

[0036] Preferably, the inner clamp arm 4 and the outer clamp arm 5 are J-shaped structures. The rubber anti-slip tooth block 7 is arranged at the bottom end of the J-shaped structure.

[0037] Preferably, a lifting ring 1 is provided at the top of the outer arm 2. Further, the lifting ring 1 is a wire rope ring. By providing the lifting ring 1, workers can complete the clamping of the corresponding target object during the lifting process, and improve the worker's force-applying friendliness, or the lifting process by machinery is more convenient and quick.

[0038] Preferably, the inner clamp arm 4 and the outer clamp arm 5 are hingedly connected via a fourth pin 11. The outer clamp arm 5 is hingedly connected to the outer pull arm 2 via a third pin 10. The inner clamp arm 4 is hingedly connected to the inner pull arm 3 via a second pin 9. The inner pull arm 3 is hingedly connected to the outer pull arm 2 via a first pin 8.

[0039] During use, it can be:

[0040] Step 1: Clamp the target steel plate with the rubber anti-slip tooth block 7 of the clamp, and further clamp the steel plate under the action of the initial pre-tightening spring 6 (the tension value of the pre-tightening spring should not be too large, so that the spring can be pulled manually within the thickness range of the steel plate);

[0041] Step 2: Use lifting equipment to lift the clamp and the corresponding steel plate, and further clamp the steel plate under the action of gravity;

[0042] Step 3: Transfer steel plate;

[0043] Step 4: Use the lifting equipment to lower the clamp and steel plate, open the clamp arm, and lower the steel plate to complete.

[0044] Through the structural setting of the portable steel plate clamp, the function of clamping the steel plate can be achieved by lifting a single outer pulling arm, simplifying the clamping operation process. In addition, the device has a simple structure, and when the clamp is opened, each arm is in a folded state, which takes up little space and is easy to carry.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable steel plate clamp, characterized in that: The portable steel plate clamp comprises: an outer pulling arm (2), an inner pulling arm (3), an inner clamping arm (4) and an outer clamping arm (5); The inner clamp arm (4) and the outer clamp arm (5) are hingedly connected, and the hinge point is located at the midpoint of the inner clamp arm (4) and the outer clamp arm (5); The inner clamp arm (4) and the outer clamp arm (5) are arc-shaped structures and are arranged in opposite directions; The bottom ends of the inner clamp arm (4) and the outer clamp arm (5) serve as clamping heads, the top end of the inner clamp arm (4) is hingedly connected to one end of the inner pull arm (3), and the top end of the outer clamp arm (5) is hingedly connected to the bottom end of the outer pull arm (2); The other end of the inner pull arm (3) is hingedly connected to the middle end of the outer pull arm (2).

2. The portable steel plate clamp according to claim 1, characterized in that: An initial preload spring (6) is provided near a clamping head formed by the inner clamping arm (4) and the outer clamping arm (5); The two ends of the initial preload spring (6) are respectively connected to the inner clamp arm (4) and the outer clamp arm (5), and enable the clamp to have a closing tendency.

3. The portable steel plate clamp according to claim 1, characterized in that: The bottom ends of the inner clamp arm (4) and the outer clamp arm (5) are respectively provided with rubber anti-slip tooth blocks (7).

4. The portable steel plate clamp according to claim 1, characterized in that: The inner clamp arm (4) and the outer clamp arm (5) are J-shaped structures.

5. The portable steel plate clamp according to claim 1, characterized in that: A lifting ring (1) is provided at the top end of the outer pulling arm (2).

6. The portable steel plate clamp according to claim 5, characterized in that: The lifting ring (1) is a wire rope ring.

7. The portable steel plate clamp according to claim 1, characterized in that: The inner clamp arm (4) and the outer clamp arm (5) are hingedly connected via a fourth pin shaft (11).

8. The portable steel plate clamp according to claim 1, characterized in that: The outer clamping arm (5) is hingedly connected to the outer pulling arm (2) via a third pin shaft (10).

9. The portable steel plate clamp according to claim 1, characterized in that: The inner clamping arm (4) is hingedly connected to the inner pulling arm (3) via a second pin shaft (9).

10. The portable steel plate clamp according to claim 1, characterized in that: The inner pull arm (3) is hingedly connected to the outer pull arm (2) via a first pin shaft (8).

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