Load lifting limiter convenient to install

Abstract

The utility model discloses a load lifting limiter convenient to install. The load lifting limiter comprises a load lifting limiter body and a connecting wire. By arranging the fixed clamping plate, the movable clamping plate, the first shaft rod, the first connecting rod and the pulling mechanism, during installation, the cable is placed between the movable clamping plate and the fixed clamping plate, and the pulling mechanism provides downward pulling force for the first connecting rod; the first connecting rod drives the movable clamping plate to move towards the fixed clamping plate through the first shaft rod, so that the movable clamping plate clamps the cable through the fixed clamping plate, installation of the load lifting limiter body is completed, convenience of installation of the load lifting limiter body is guaranteed, and the problem of a traditional load lifting limiter installation mode is solved; the problems that in the prior art, the mode that an operator fixes the lifting capacity limiter on a mooring rope through a bolt is adopted, the operator needs to use a fastening tool, and the installation mode is troublesome and too inconvenient are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting capacity limiter installation technical field, concretely is a hoisting capacity limiter convenient to installation. BACKGROUND

[0002] The hoisting capacity limiter is a safety protection device for hoisting machinery, and is widely used in many industries such as mines, ports, water conservancy, metallurgy, chemical industry and construction sites. Its core function is to monitor the hoisting weight in real time, ensure that the equipment operates within the safe load range, and thus avoid equipment damage or safety accidents caused by overload. The existing hoisting capacity limiter is usually composed of a host and a force sensor, but there are still some significant problems in actual use.

[0003] The traditional hoisting capacity limiter installation method is to fix the hoisting capacity limiter on the cable by the operator using bolts. This installation method also requires the operator to use fastening tools, which is more troublesome and inconvenient. UTILITY MODEL CONTENTS

[0004] To solve the problems raised in the background art, the utility model aims to provide a hoisting capacity limiter convenient to install, which has the advantage of being convenient to install, and solves the problem of the traditional hoisting capacity limiter installation method, which is to fix the hoisting capacity limiter on the cable by the operator using bolts. This installation method also requires the operator to use fastening tools, which is more troublesome and inconvenient.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hoisting capacity limiter convenient to install, comprising a hoisting capacity limiter body and a connecting wire, the connecting wire is connected to the bottom of the hoisting capacity limiter body, the back of the hoisting capacity limiter body is fixedly connected with a fixed clamping plate, the back of the fixed clamping plate is provided with a movable clamping plate, the top of the left side of the fixed clamping plate and the left side of the movable clamping plate are both fixedly connected with a first shaft rod, the surface of the first shaft rod is movably connected with a first connecting rod, and the rear side of the right side of the first connecting rod is fixedly connected with a pulling mechanism.

[0006] As preferred in the utility model, the pulling mechanism comprises a second shaft rod, the second shaft rod is fixedly connected to the rear side of the right side of the first connecting rod, the surface of the second shaft rod is movably connected with a pull rod, and the bottom of the pull rod is fixedly installed with a counterweight assembly.

[0007] As preferred in the utility model, the counterweight assembly comprises a steel rope, the steel rope is fixedly installed at the bottom of the pull rod, and the other end of the steel rope is fixedly installed with a counterweight block.

[0008] As the utility model is preferred, the back of the fixed clamping plate and the front of the movable clamping plate are both provided with tooth grooves, the tooth grooves are provided with a plurality of tooth grooves and are distributed at equal distances.

[0009] As the utility model is preferred, the bottom of the left side of the fixed clamping plate is fixedly connected with a third shaft rod, the surface of the third shaft rod is movably connected with a second connecting rod, the other end of the second connecting rod is movably connected with a pull rod through an axle pin.

[0010] As the utility model is preferred, the left end of the first shaft rod and the third shaft rod and the right end of the second shaft rod are all fixedly connected with a limiting block, the diameter of the limiting block is greater than the first shaft rod, the second shaft rod and the third shaft rod.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] 1、the utility model discloses a fixed clamping plate, movable clamping plate, first shaft rod, first connecting rod and pull mechanism are set up, when installing, through the cable between movable clamping plate and fixed clamping plate is placed, through pull mechanism to first connecting rod provides a downward tension, to make first connecting rod drive movable clamping plate to fixed clamping plate and move through first shaft rod, so that movable clamping plate is clamped to the cable through fixed clamping plate, so as to complete the installation of the lifting weight limiter body, guarantee the convenience of lifting weight limiter body installation, solve the traditional lifting weight limiter installation mode, through the operator adopts the bolt and fixes the lifting weight limiter on the cable mode, this installation mode, still need the operator to help fastening tool, it is more troublesome, it is too inconvenient, reach the effect that installation is convenient.

[0013] 2、the utility model discloses a pull mechanism is set up, when the operator places the cable between fixed clamping plate and movable clamping plate, through the operator and pull rod, make pull rod drive first connecting rod and move down along first shaft rod rotation down through second shaft rod, to make first connecting rod drive movable clamping plate and move to fixed clamping plate through second shaft rod quickly, and then movable clamping plate and fixed clamping plate can hold the cable quickly, guarantee the quickness of installation.

[0014] 3、the utility model discloses that the counterweight assembly is set up, makes counterweight and cable's gravity provide a vertical downward tension for pull rod, so that this tension can improve the clamping force of fixed clamping plate and movable clamping plate, guarantee the stability of lifting weight limiter body installation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Fig. 2 It is another perspective three-dimensional structure schematic diagram of the utility model.

[0017] Fig. 3 The utility model discloses an explosion structure schematic diagram.

[0018] In the drawing: 1, hoisting weight limiter body, 2, connecting wire, 3, fixed clamping plate, 4, movable clamping plate, 5, first shaft rod, 6, first connecting rod, 7, pulling mechanism, 71, second shaft rod, 72, pull rod, 73, counterweight assembly, 731, steel rope, 732, counterweight, 8, tooth groove, 9, third shaft rod, 10, second connecting rod, 11, limit block. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of protection of the utility model.

[0020] As Figs. 1 to 3 Indicated, the utility model provides a kind of hoisting weight limiter of convenient installation, including hoisting weight limiter body 1 and connecting wire 2, connecting wire 2 wire connection is in the bottom of hoisting weight limiter body 1, the back of hoisting weight limiter body 1 is fixedly connected with fixed clamping plate 3, the back of fixed clamping plate 3 is provided with movable clamping plate 4, the top of the left side of fixed clamping plate 3 with the left side of movable clamping plate 4 is all fixedly connected with first shaft rod 5, the surface of first shaft rod 5 is movably connected with first connecting rod 6, the rear side of the right side of first connecting rod 6 is fixedly connected with pulling mechanism 7.

[0021] Reference Fig. 3 , pulling mechanism 7 includes second shaft rod 71, second shaft rod 71 is fixedly connected at the rear side of the right side of first connecting rod 6, the surface of second shaft rod 71 is movably connected with pull rod 72, and pull rod 72 is fixedly installed with counterweight assembly 73 at the bottom.

[0022] As a kind of technical optimization scheme of the utility model, by setting pulling mechanism 7, when operator places cable between fixed clamping plate 3 and movable clamping plate 4, by operator pulling pull rod 72, make pull rod 72 drive first connecting rod 6 downwards along first shaft rod 5 by second shaft rod 71 rotation, so that first connecting rod 6 drive movable clamping plate 4 to move towards fixed clamping plate 3 by second shaft rod 71 quickly, and then movable clamping plate 4 and fixed clamping plate 3 can quickly hold cable, guarantee the quickness of installation.

[0023] Reference Fig. 3The counterweight assembly 73 comprises a steel rope 731 fixedly installed at the bottom of the pull rod 72, and a counterweight 732 fixedly installed at the other end of the steel rope 731.

[0024] As a technical optimization scheme of the utility model, the counterweight 732 is connected with the pull rod 72 through the steel rope 731, so that the gravity of the counterweight 732 and the cable provides a vertical downward pulling force for the pull rod 72, thereby the pulling force can improve the clamping force of the fixed clamping plate 3 and the movable clamping plate 4, and the stability of the hoisting weight limiter body 1 is ensured.

[0025] Reference Fig. 3 The back surface of the fixed clamping plate 3 and the front surface of the movable clamping plate 4 are both provided with tooth grooves 8.

[0026] As a technical optimization scheme of the utility model, the tooth grooves 8 can improve the friction force when the fixed clamping plate 3 and the movable clamping plate 4 clamp the cable, so that the fixed clamping plate 3 and the movable clamping plate 4 can be tightly connected, and the stability of the hoisting weight limiter body 1 is improved.

[0027] Reference Fig. 3 The bottom of the left side of the fixed clamping plate 3 is fixedly connected with a third shaft rod 9, the surface of the third shaft rod 9 is movably connected with a second connecting rod 10, and the other end of the second connecting rod 10 is movably connected with the pull rod 72 through an axle pin.

[0028] As a technical optimization scheme of the utility model, the third shaft rod 9 and the second connecting rod 10 are arranged, and the third shaft rod 9 and the second connecting rod 10 are matched to support and position the pull rod 72, so that the stability and reliability of the pull rod 72 are improved.

[0029] Reference Fig. 3 The left end of the first shaft rod 5 and the right end of the third shaft rod 9 are both fixedly connected with a limiting block 11, and the diameter of the limiting block 11 is greater than the first shaft rod 5, the second shaft rod 71 and the third shaft rod 9.

[0030] As a technical optimization scheme of the utility model, the limiting block 11 is arranged, and the limiting block 11 is installed with the second shaft rod 71, the second shaft rod 71 and the third shaft rod 9, so that the limiting block 11 limits the first connecting rod 6, the second connecting rod 10 and the pull rod 72, and the falling of the first connecting rod 6, the second connecting rod 10 and the pull rod 72 is avoided.

[0031] The working principle and use process of the utility model: when using, the operator pulls up the first connecting rod 6, the first connecting rod 6 drives the movable clamping plate 4 to move away from the fixed clamping plate 3 through the first shaft 5, that is, open, after opening, the counterweight 732 is lifted, preventing the movable clamping plate 4 from closing, then the operator places the cable between the open movable clamping plate 4 and fixed clamping plate 3, then the operator releases the counterweight 732, the gravity of the counterweight 732 and cable provides a vertical downward pulling force for the pull rod 72, so that the pulling force is transmitted to the pull rod 72, the pull rod 72 drives the first connecting rod 6 to rotate downward along the first shaft 5 through the second shaft 71, so that the first connecting rod 6 drives the movable clamping plate 4 to move towards the fixed clamping plate 3 through the second shaft 71, and then the movable clamping plate 4 and the fixed clamping plate 3 can quickly clamp the cable, ensuring the quickness of the hoisting weight limiter body 1 installation, meanwhile, the tooth groove 8 in the inner side of the movable clamping plate 4 and the fixed clamping plate 3 can improve the friction force when the fixed clamping plate 3 and the movable clamping plate 4 clamp the cable, so that the fixed clamping plate 3 and the movable clamping plate 4 can be tightly connected, improving the stability of the hoisting weight limiter body 1 installation.

[0032] In summary: the hoisting weight limiter is convenient to install, through the fixed clamping plate 3, movable clamping plate 4, first shaft 5, first connecting rod 6 and pulling mechanism 7, when installing, the cable is placed between the movable clamping plate 4 and fixed clamping plate 3, the pulling mechanism 7 provides a downward pulling force for the first connecting rod 6, so that the first connecting rod 6 drives the movable clamping plate 4 to move towards the fixed clamping plate 3 through the first shaft 5, so that the movable clamping plate 4 clamps the cable through the fixed clamping plate 3, thereby completing the installation of the hoisting weight limiter body 1, ensuring the convenience of the hoisting weight limiter body 1 installation, solving the problem that the traditional hoisting weight limiter installation method requires the operator to use bolts to fix the hoisting weight limiter on the cable, which is relatively troublesome and inconvenient.

[0033] It should be noted that in this document, relationship terms such as first and second are used only to differentiate one entity or action from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A lifting capacity limiter that is easy to install, comprising a lifting capacity limiter body (1) and a connecting wire (2), characterized in that: The connecting wire (2) is connected to the bottom of the lifting capacity limiter body (1). A fixed clamp (3) is fixedly connected to the back of the lifting capacity limiter body (1). A movable clamp (4) is provided on the back of the fixed clamp (3). A first shaft (5) is fixedly connected to the top left side of the fixed clamp (3) and the left side of the movable clamp (4). A first connecting rod (6) is movably connected to the surface of the first shaft (5). A pulling mechanism (7) is fixedly connected to the rear right side of the first connecting rod (6).

2. The easy-to-install lifting capacity limiter according to claim 1, characterized in that: The pulling mechanism (7) includes a second shaft (71), which is fixedly connected to the rear side of the right side of the first connecting rod (6). A pull rod (72) is movably connected to the surface of the second shaft (71), and a counterweight assembly (73) is fixedly installed at the bottom of the pull rod (72).

3. The easy-to-install lifting capacity limiter according to claim 2, characterized in that: The counterweight assembly (73) includes a steel rope (731), which is fixedly installed at the bottom of the pull rod (72), and a counterweight block (732) is fixedly installed at the other end of the steel rope (731).

4. The easy-to-install lifting capacity limiter according to claim 1, characterized in that: The back of the fixed clamp (3) and the front of the movable clamp (4) are both provided with toothed grooves (8), and there are several toothed grooves (8) that are evenly distributed.

5. The easy-to-install lifting capacity limiter according to claim 2, characterized in that: The bottom left side of the fixed clamp (3) is fixedly connected to a third shaft (9), and the surface of the third shaft (9) is movably connected to a second connecting rod (10). The other end of the second connecting rod (10) is movably connected to the pull rod (72) through a shaft pin.

6. The easy-to-install lifting capacity limiter according to claim 5, characterized in that: The left ends of the first shaft (5) and the third shaft (9) are fixedly connected to the right end of the second shaft (71) with limit blocks (11). The diameter of the limit blocks (11) is larger than that of the first shaft (5), the second shaft (71) and the third shaft (9).

Images