Force-measuring fastening device

Abstract

The force measurement fastening equipment comprises a spring force measurement module (0-01), a vehicle body hooking and clamping module (0-02), a gear module (0-03), a bearing module (0-04), a transmission module (0-05) and a wrench module (0-06), and is used for accurately providing tensile force required by work for a rope or an iron chain; the force measurement fastening equipment can reduce the frictional resistance during working through the bearing module (0-04); and the spring force measurement module (0-01) can accurately measure the magnitude of force provided by the fastening equipment, so that the equipment can be prevented from being damaged, and the safety coefficient of operation is greatly improved.

Description

Technical Field

[0001] The utility model relates to the innovation and design of force measuring and fastening equipment. Background Art

[0002] The utility model product is mainly aimed at improving and optimizing the existing fastening equipment. On the basis of the original fastening equipment, a tapered roller bearing, a common ball bearing and a spring force measuring module are added, so that the fastening equipment is not only labor-saving when used, but also can accurately provide the required fastening force.

[0003] The various types of fastening equipment currently available all have the common problem of large friction resistance and inability to accurately measure the size of the fastening force. In particular, the inability to accurately measure the size of the fastening force can easily lead to potential safety hazards in the transportation and production process.

[0004] Force measuring and fastening equipment is mainly used in some cargo loading reinforcement vehicles, or in some special situations. For example, in the braking system of railway vehicles, when the manual brake fails or cannot be used, the force measuring and fastening equipment can be used to replace it. Compared with the manual brake, the force measuring and fastening equipment can provide more accurate braking force and has a higher safety factor. Summary of the invention

[0005] The force measuring and fastening device provided by the embodiment of the utility model includes a spring force measuring module, a vehicle body hook module, a gear module, a bearing module, a transmission module, and a wrench module, which are used to accurately provide the rope or chain with the tension required for work; the force measuring and fastening device can reduce the friction resistance during work through the bearing module, thereby improving the safety factor of the operation; the spring force measuring module can accurately measure the size of the force provided by the fastening device, thereby avoiding damage to the equipment and greatly improving the safety factor of the operation.

[0006] In order to achieve the above-mentioned purpose, the embodiment of the utility model adopts the following technical methods.

[0007] In order to improve work efficiency and operation safety factor, the utility model discloses a force measuring and fastening device, including a spring force measuring module, a vehicle body hook module, a gear module, a bearing module, a transmission module, and a wrench module, which are used to accurately provide the rope or chain with the required pulling force for work.

[0008] Specifically, the iron chain hook is connected and fixed to the spring body for hooking an iron chain or rope. The iron chain hook is mainly used to connect to the fastened rope, is in the shape of a curved hook, is strong enough, and will not be pulled or deformed. One end of the spring body is fixedly connected to the iron chain hook, and the other end is fixedly connected to the transmission thread and the transmission rod, and is used to measure the magnitude of the tension exerted on both ends of the spring body by its own deformation. The spring body is made of steel, and its deformation range should be within the controllable range measured by the benchmark. The tensile pressure that can be borne can be determined by actual work needs, the thickness and strength of the spring. The spring force measuring benchmark is located in the center of the spring body, and one end is fixedly connected to the transmission rod, on which a ruler is engraved for reference and comparison of the deformation of the spring body. The spring force measuring benchmark is made of lightweight material, has a certain elasticity, and is protected by the spring body.

[0009] The structure is used to connect the hook head and the hook tail, and is composed of a steel material with relatively high strength. The vehicle body hook module is composed of two parts that are symmetrical on the left and right. The two parts are connected by welding in the middle of the hook head, but are separated at the hook tail, which is convenient for the processing and manufacturing of the product; the hook head is connected to one end of the structure and is used to clamp the vehicle body, rope, or chain. In the middle of the hook head, the hook head may also have other structures that can be clamped on the vehicle body; the hook tail passes through the hook body bracket hole and can rotate around the hook body bracket with the structure and the hook head. The hook tail can only rotate within the hook body bracket hole due to the welding of the hook head and the space limitation of the hook body bracket hole; the hook body bracket hole is located in the hook body bracket and is used to pass the hook tail; the hook body bracket is provided with the hook body bracket hole, and the hook body bracket is fixedly connected to the pinion fixing frame.

[0010] The one-way tooth 1 rotates in opposite directions to the one-way tooth 2, and the one-way tooth 1 is fixedly connected to the gear connecting frame. The one-way tooth 1 can be matched and coupled with the one-way wrench. When the one-way wrench is turned, the gear connecting frame is driven to turn quickly in one direction. The teeth of the one-way tooth 1 are tilted and can only rotate in one direction. When rotating in the other direction, it will slide quickly without manually matching the gear every time it turns. Compared with turning the hexagonal nut, the one-way tooth 1 has higher working efficiency and faster speed; the one-way tooth 2 rotates in opposite directions to the one-way tooth 1, and the one-way tooth 2 is fixedly connected to the gear connecting frame. On the gear connecting frame, the one-way tooth 2 can be matched and coupled with the one-way wrench, and when the one-way wrench is turned, the gear connecting frame is driven to move quickly in one direction; the large gear is fixedly connected to the gear connecting frame, and can be matched and coupled with the small gear, and when the small gear rotates, it rotates together with the gear connecting frame; the small gear is installed and fixed on the small gear shaft, and can be matched and coupled with the large gear, and is used to drive the large gear to rotate, mainly used to assist the rotation of the large gear, thereby realizing the electric control of the force measuring and fastening equipment; the small gear fixing frame is installed and fixed on the outer ring of the tapered roller bearing and the outer ring of the ordinary bearing, with the pinion bearing embedded inside, the pinion shaft is fixedly connected to the inner ring of the pinion bearing, the pinion fixing frame is fixedly connected to the hook body bracket, the pinion fixing frame is used to connect and support the outer ring of the tapered roller bearing and the outer ring of the ordinary bearing, and interacts with the inner ring of the tapered roller bearing and the inner ring of the ordinary bearing fixed on the gear connecting frame through spherical rollers and tapered rollers; the pinion bearing is embedded and installed inside the pinion fixing frame, the outer ring of the pinion bearing is connected and fixed to the pinion fixing frame, and the inner ring of the pinion bearing is fixed to the pinion shaft Fixed connection; both ends of the pinion shaft are connected and fixed to the inner ring of the pinion bearing, and one end is provided with the triangular screw hole for installing and fixing the pinion, that is, the pinion is installed and fixed in the middle of the pinion shaft; the triangular screw hole is located inside the pinion shaft, and is used to cooperate with the triangular gong head inserted on the electric gong cutter; the gear connecting frame is used to install and fix the one-way tooth 1, the one-way tooth 2, the large gear, the outer ring of the tapered roller bearing and the outer ring of the ordinary bearing, and the gear connecting frame is embedded with the gear nut; the gear nut is embedded in the gear connecting frame and can be matched and coupled with the transmission rod.

[0011] The tapered roller bearing comprises an inner ring of a tapered roller bearing and an outer ring of a tapered roller bearing, which are used to connect the pinion fixing frame and the gear connecting frame; the inner ring of the tapered roller bearing is connected to the gear connecting frame for rotating therewith, and the inner ring of the tapered roller bearing and the outer ring of the tapered roller bearing interact with each other through tapered rollers to transmit pressure; the outer ring of the tapered roller bearing is fixedly connected to the pinion fixing frame and the hook body bracket, and is used to bear the pulling pressure of the vehicle body hook module through the tapered rollers on the tapered roller bearing, and the tapered roller bearing is mainly used to bear the pulling pressure transmitted by the vehicle body hook module and the iron chain hook; the ordinary bearing comprises an inner ring of the ordinary bearing and an outer ring of the ordinary bearing, which are used to connect the pinion fixing frame and the gear connecting frame; the inner ring of the ordinary bearing is fixedly connected to the gear connecting frame for rotating therewith, and the ordinary bearing is mainly used to support the work of the gear module; the outer ring of the ordinary bearing is fixedly connected to the pinion fixing frame for supporting and installing the pinion fixing frame.

[0012] The transmission thread is located on the transmission rod and is used for rotationally coupling with the gear nut. The transmission thread is fixedly connected to the spring body, that is, the gear nut can rotate and advance on the transmission rod through the transmission thread; the transmission rod is provided with the transmission thread, and the transmission rod is used to connect the spring body and the spring force measuring rod, so that the transmission rod can be pushed to move forward and backward by rotating the gear nut.

[0013] The one-way wrench includes the lever teeth and the lever arm, which are used to match and couple with the one-way teeth 1 and the one-way teeth 2, and to quickly move in one direction with the help of the lever principle. The one-way moving design increases the time required for using the fastening equipment; the lever teeth are located at the end of the one-way wrench, and can match and couple with the one-way teeth 1 and the one-way teeth 2; the lever arm is the main body of the one-way wrench, and is used for manual moving using the lever principle; the electric gong is a tool to replace the one-way wrench to quickly complete the fastening work.

[0014] The force measuring and fastening device provided by the embodiment of the utility model includes a spring force measuring module, a vehicle body hook module, a gear module, a bearing module, a transmission module, and a wrench module, which are used to accurately provide the rope or chain with the tension required for work; specifically, when using the fastening device, first connect or snap-fit ​​the hook head of the chain hook and the vehicle body hook module to the rope or chain to be fastened, and then insert the electric screwdriver into the triangular screw hole for rotational tightening or reverse rotational loosening. In an emergency situation where the electric screwdriver cannot be used, tighten the one-way tooth 1 by using the one-way wrench, and loosen the one-way tooth 2 by using the one-way wrench to complete the fastening operation of the fastening device; when the fastening device is fastening, observe whether the scale of the spring force measuring benchmark meets the requirements, and stop the tightening behavior in time to avoid damage to the supporting equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 This is a schematic diagram of the overall structure of the force measuring and fastening device provided in an embodiment of the utility model.

[0017] Figure 2 A schematic structural diagram of a spring force measuring module (0-01) of a force measuring and fastening device provided in an embodiment of the utility model.

[0018] Figure 3 A schematic structural diagram of a vehicle body hook module (0-02) of a force measuring and fastening device provided in an embodiment of the utility model.

[0019] Figure 4 A schematic structural diagram of a gear module (0-03) of a force measuring and fastening device provided in an embodiment of the utility model.

[0020] Figure 5 A schematic structural diagram of a bearing module (0-04) of a force measuring and fastening device provided in an embodiment of the utility model.

[0021] Figure 6 A schematic structural diagram of a transmission module (0-05) of a force measuring and fastening device provided in an embodiment of the utility model.

[0022] Figure 7 A schematic structural diagram of a wrench module (0-06) of a force measuring and fastening device provided in an embodiment of the utility model.

[0023] The meanings of the numbers in the attached drawings are as follows: spring force measuring module (0-01), vehicle body hook module (0-02), gear module (0-03), bearing module (0-04), transmission module (0-05), wrench module (0-06), chain hook (1-01), spring body (1-02), spring force measuring rod (1-03), structure (2-01), hook head (2-02), hook tail (2-03), hook body bracket hole (2-04), hook body bracket (2-05), one-way tooth 1 (3-01), one-way tooth 2 (3-02), large gear (3-03), small gear (3-04), Pinion fixing frame (3-05), pinion bearing (3-06), pinion shaft (3-07), triangular screw hole (3-08), gear connecting frame (3-09), gear nut (3-10), tapered roller bearing (4-01), tapered roller bearing inner ring (4-02), tapered roller bearing outer ring (4-03), plain bearing (4-04), plain bearing inner ring (4-05), plain bearing outer ring (4-06), transmission thread (5-01), transmission rod (5-02), one-way wrench (6-01), wrench teeth (6-02), wrench arm (6-03), electric gong cutter (6-04). DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is further described in detail below in conjunction with the drawings and specific embodiments. The embodiments of the utility model will be described in detail below, and examples of the embodiments are shown in the drawings, where the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be interpreted as limiting the utility model. It can be understood by those skilled in the art that, unless specifically stated, the singular forms "one", "said", and "the" used herein may also include plural forms. It should be further understood that the term "including" used in the specification of the utility model refers to the presence of the features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements and / or their components. It should be understood that intermediate elements may also exist. In addition, the term "and / or" used here includes any unit and all combinations of one or more associated listed items. It will be understood by those skilled in the art that, unless otherwise defined, all terms used herein, including technical terms and scientific terms, have the same meaning as those generally understood by ordinary technicians in the field of the utility model. It should also be understood that terms such as those defined in general dictionaries should be understood to have meanings consistent with the context of the prior art, and will not be interpreted with idealized or overly formal meanings unless defined as herein.

[0025] The utility model embodiment provides a force measuring fastening device such as Figure 1 As shown, it includes a spring force measuring module 0-01, a vehicle body hook module 0-02, a gear module 0-03, a bearing module 0-04, a transmission module 0-05, and a wrench module 0-06, which are used to accurately provide the rope or chain with the required tension for work. The spring force measuring module 0-01 includes a chain hook 1-01, a spring body 1-02, and a spring force measuring rod 1-03, which are used to measure the pulling force applied to the equipment; the vehicle body hook module 0-02 includes a structure 2-01, a hook head 2-02, a hook tail 2-03, a hook body bracket hole 2-04, and a hook body bracket 2-05, which are used to be fixed on the vehicle body; the gear module 0-03 includes a one-way tooth 13-01, a one-way tooth 23-02, a large gear 3-03, a small gear 3-04, a small gear fixing frame 3-05, a small gear bearing 3-06, a small gear shaft 3-07, a triangular screw hole 3-08, a gear connecting frame 3-09, and a gear nut 3-10, which are used to move on the transmission module 0-05; the bearing Module 0-04 includes a tapered roller bearing 4-01, a tapered roller bearing inner ring 4-02, a tapered roller bearing outer ring 4-03, a plain bearing 4-04, a plain bearing inner ring 4-05, and a plain bearing outer ring 4-06, which are used to achieve smooth movement of the gear module 0-03 on the transmission module 0-05 and reduce transmission friction; the transmission module 0-05 includes a transmission thread 5-01 and a transmission rod 5-02, which are used to connect the gear module 0-03 and the spring force measuring module 0-01; the wrench module 0-06 includes a one-way wrench 6-01, a wrench tooth 6-02, a wrench arm 6-03, and an electric gong cutter 6-04, which are used to control the movement of the gear module 0-03 on the transmission module 0-05.

[0026] The utility model embodiment provides a force measuring fastening device such as Figure 2 As shown, the chain hook 1-01 is connected and fixed to the spring body 1-02 for hooking a chain or rope; one end of the spring body 1-02 is fixedly connected to the chain hook 1-01, and the other end is fixedly connected to the transmission thread 5-01 and the transmission rod 5-02, so as to measure the magnitude of the tension exerted on both ends of the spring body 1-02 by its own deformation; the spring force measuring rod 1-03 is located at the center of the spring body 1-02, and one end is fixedly connected to the transmission rod 5-02, on which a ruler is engraved for reference and comparison of the deformation of the spring body 1-02.

[0027] The utility model embodiment provides a force measuring fastening device such as Figure 3As shown, the structure 2-01 is used to connect the hook head 2-02 and the hook tail 2-03; the hook head 2-02 is connected to one end of the structure 2-01, and is used to clamp the vehicle body, rope, or chain; the hook tail 2-03 passes through the hook body bracket hole 2-04, and can rotate around the hook body bracket 2-05 with the structure 2-01 and the hook head 2-02; the hook body bracket hole 2-04 is located in the hook body bracket 2-05, and is used to pass the hook tail 2-03; the hook body bracket 2-05 is provided with the hook body bracket hole 2-04, and the hook body bracket 2-05 is fixedly connected to the pinion fixing frame 3-05.

[0028] The utility model embodiment provides a force measuring fastening device such as Figure 4As shown, the one-way tooth 13-01 rotates in opposite directions to the one-way tooth 23-02, and the one-way tooth 13-01 is fixedly connected to the gear connecting frame 3-09. The one-way tooth 13-01 can be matched and coupled with the one-way wrench 6-01. When the one-way wrench 6-01 is pulled, the gear connecting frame 3-09 is driven to quickly pull in one direction; the one-way tooth 23-02 rotates in opposite directions to the one-way tooth 13-01, and the one-way tooth 23-02 is fixedly connected to the gear connecting frame 3-09. The one-way tooth 23-02 can be matched and coupled with the one-way wrench 6-01. When the one-way wrench is pulled, the gear connecting frame 3-09 is driven to quickly pull in one direction. When 6-01 is pulled, the gear connecting frame 3-09 is driven to rotate rapidly in one direction; the large gear 3-03 is fixedly connected to the gear connecting frame 3-09, and can match and couple with the small gear 3-04, and when the small gear 3-04 rotates, it rotates together with the gear connecting frame 3-09; the small gear 3-04 is installed and fixed on the small gear shaft 3-07, and can match and couple with the large gear 3-03, and is used to drive the large gear 3-03 to rotate; the small gear fixing frame 3-05 is installed and fixed on the outer ring 4-03 of the tapered roller bearing and the outer ring 4-06 of the ordinary bearing , the pinion bearing 3-06 is embedded inside, the pinion shaft 3-07 is fixedly connected to the inner ring of the pinion bearing 3-06, and the pinion fixing frame 3-05 is fixedly connected to the hook body bracket 2-05; the pinion bearing 3-06 is embedded and installed inside the pinion fixing frame 3-05, the outer ring of the pinion bearing 3-06 is connected and fixed to the pinion fixing frame 3-05, and the inner ring of the pinion bearing 3-06 is fixedly connected to the pinion shaft 3-07; both ends of the pinion shaft 3-07 are connected and fixed to the inner ring of the pinion bearing 3-06, and one end is provided with the triangular screw hole 3-0 8, used for installing and fixing the pinion 3-04; the triangular screw hole 3-08 is located inside the pinion shaft 3-07, and is used to cooperate with the triangular gong head inserted on the electric gong cutter 6-04; the gear connecting frame 3-09 is used for installing and fixing the one-way tooth 13-01, the one-way tooth 23-02, the large gear 3-03, the tapered roller bearing outer ring 4-03 and the ordinary bearing outer ring 4-06, and the gear connecting frame 3-09 is embedded with the gear nut 3-10; the gear nut 3-10 is embedded in the gear connecting frame 3-09, and can be matched and coupled with the transmission rod 5-02.

[0029] The utility model embodiment provides a force measuring fastening device such as Figure 5As shown, the tapered roller bearing 4-01 includes a tapered roller bearing inner ring 4-02 and a tapered roller bearing outer ring 4-03, which are used to connect the pinion fixing frame 3-05 and the gear connecting frame 3-09; the tapered roller bearing inner ring 4-02 is connected to the gear connecting frame 3-09 for rotating therewith; the tapered roller bearing outer ring 4-03 is fixedly connected to the pinion fixing frame 3-05 and the hook body bracket 2-05 for passing through the tapered roller on the tapered roller bearing 4-01. Bearing the pulling pressure of the vehicle body hook module 0-02; the common bearing 4-04 includes the common bearing inner ring 4-05 and the common bearing outer ring 4-06, which are used to connect the pinion fixing frame 3-05 and the gear connecting frame 3-09; the common bearing inner ring 4-05 is fixedly connected to the gear connecting frame 3-09 for rotating therewith; the common bearing outer ring 4-06 is fixedly connected to the pinion fixing frame 3-05 for supporting and installing the pinion fixing frame 3-05.

[0030] The utility model embodiment provides a force measuring fastening device such as Figure 6 As shown, the transmission thread 5-01 is located on the transmission rod 5-02, and is used for rotational coupling with the gear nut 3-10, and the transmission thread 5-01 is fixedly connected to the spring body 1-02; the transmission thread 5-01 is provided on the transmission rod 5-02, and the transmission rod 5-02 is used to connect the spring body 1-02 and the spring force measuring rod 1-03.

[0031] The utility model embodiment provides a force measuring fastening device such as Figure 7 As shown, the one-way wrench 6-01 includes the lever tooth 6-02 and the lever arm 6-03, which are used to match and couple with the one-way tooth 13-01 and the one-way tooth 23-02, and quickly rotate in one direction with the help of the lever principle; the lever tooth 6-02 is located at the end of the one-way wrench 6-01, and can match and couple with the one-way tooth 13-01 and the one-way tooth 23-02; the lever arm 6-03 is the main body of the one-way wrench 6-01, and is used to manually use the lever principle to pull the one-way tooth 13-01 and the one-way tooth 23-02; the electric gong 6-04 is a tool to replace the one-way wrench 6-01 to quickly complete the tightening work.

[0032] Based on the above examples, the force measuring and fastening device provided by the utility model includes a spring force measuring module 0-01, a vehicle body hook module 0-02, a gear module 0-03, a bearing module 0-04, a transmission module 0-05, and a wrench module 0-06, which are used to accurately provide the rope or chain with the required tension for work; specifically, when using the fastening device, first connect or snap-fit ​​the chain hook 1-01 and the hook head 2-02 of the vehicle body hook module 0-02 to the rope or chain to be fastened, and then 6-04 is inserted into the triangular screw hole 3-08 for rotational tightening or reverse rotational loosening. In an emergency situation where the electric gong cutter 6-04 cannot be used, the one-way tooth 13-01 is tightened by turning the one-way wrench 6-01, and the one-way tooth 23-02 is loosened by turning the one-way wrench 6-01 to complete the tightening operation of the fastening device. When the fastening device is tightening, observe whether the scale of the spring force measuring rod 1-03 meets the requirements, and stop the tightening action in time to avoid damage to the supporting equipment.

[0033] Each embodiment in this specification is described in a progressive manner, and the same and similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the device embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment. The above is only a specific implementation method of the utility model, but the protection scope of the utility model is not limited to this. Any changes or replacements that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the utility model should be covered within the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the protection claims.

Claims

1. Force measuring and tightening equipment, characterized in that: It includes a spring force measurement module (0-01), a vehicle body hook module (0-02), a gear module (0-03), a bearing module (0-04), a transmission module (0-05), and a wrench module (0-06), which are used to accurately provide the rope or chain with the required tension for work; The spring force measuring module (0-01) comprises an iron chain hook (1-01), a spring body (1-02), and a spring force measuring rod (1-03), and is used to measure the magnitude of the pulling force applied to the device; The vehicle body hook module (0-02) comprises a structure (2-01), a hook head (2-02), a hook tail (2-03), a hook body bracket hole (2-04), and a hook body bracket (2-05), and is used for being clamped and fixed on the vehicle body; The gear module (0-03) comprises a one-way tooth 1 (3-01), a one-way tooth 2 (3-02), a large gear (3-03), a small gear (3-04), a small gear fixing frame (3-05), a small gear bearing (3-06), a small gear shaft (3-07), a triangular screw hole (3-08), a gear connecting frame (3-09), and a gear nut (3-10), and is used to move on the transmission module (0-05); The bearing module (0-04) comprises a tapered roller bearing (4-01), a tapered roller bearing inner ring (4-02), a tapered roller bearing outer ring (4-03), a common bearing (4-04), a common bearing inner ring (4-05), and a common bearing outer ring (4-06), and is used to achieve smooth movement of the gear module (0-03) on the transmission module (0-05) and reduce transmission friction; The transmission module (0-05) comprises a transmission thread (5-01) and a transmission rod (5-02), and is used to connect the gear module (0-03) and the spring force measuring module (0-01); The wrench module (0-06) comprises a one-way wrench (6-01), wrench teeth (6-02), a wrench arm (6-03), and an electric gong (6-04), and is used to control the movement of the gear module (0-03) on the transmission module (0-05).

2. The force measuring fastening device according to claim 1, characterized in that: The iron chain hook (1-01) is connected and fixed to the spring body (1-02) and is used to hook an iron chain or a rope; One end of the spring body (1-02) is fixedly connected to the iron chain hook (1-01), and the other end is fixedly connected to the transmission thread (5-01) and the transmission rod (5-02), and is used to measure the magnitude of the tension applied to the two ends of the spring body (1-02) through its own deformation; The spring force measuring rod (1-03) is located at the exact center of the spring body (1-02), one end of which is fixedly connected to the transmission rod (5-02) and has a scale engraved thereon for reference and comparison of the deformation amount of the spring body (1-02).

3. The force measuring fastening device according to claim 1, characterized in that: The structure (2-01) is used to connect the hook head (2-02) and the hook tail (2-03); The hook head (2-02) is connected to one end of the structure (2-01) and is used to clamp the vehicle body, rope, or chain; The hook tail (2-03) passes through the hook body bracket hole (2-04) and can rotate with the structure (2-01) and the hook head (2-02) around the hook body bracket (2-05); The hook body support hole (2-04) is located in the hook body support (2-05) and is used to pass the hook tail (2-03); The hook body bracket (2-05) is provided with the hook body bracket hole (2-04), and the hook body bracket (2-05) is fixedly connected to the pinion fixing frame (3-05).

4. The force measuring fastening device according to claim 1, characterized in that: The one-way tooth 1 (3-01) rotates in opposite directions to the one-way tooth 2 (3-02); the one-way tooth 1 (3-01) is fixedly connected to the gear connecting frame (3-09); the one-way tooth 1 (3-01) can be matched and coupled with the one-way wrench (6-01); when the one-way wrench (6-01) is turned, the gear connecting frame (3-09) is driven to quickly turn in one direction; The one-way tooth 2 (3-02) rotates in the opposite direction to the one-way tooth 1 (3-01); the one-way tooth 2 (3-02) is fixedly connected to the gear connecting frame (3-09); the one-way tooth 2 (3-02) can be matched and coupled with the one-way wrench (6-01); when the one-way wrench (6-01) is pulled, the gear connecting frame (3-09) is driven to rotate rapidly in one direction; The large gear (3-03) is fixedly connected to the gear connecting frame (3-09), can be matched and coupled with the small gear (3-04), and rotates together with the gear connecting frame (3-09) when the small gear (3-04) rotates; The small gear (3-04) is mounted and fixed on the small gear shaft (3-07), and can be matched and coupled with the large gear (3-03), so as to drive the large gear (3-03) to rotate; The pinion fixing frame (3-05) is mounted and fixed on the outer ring of the tapered roller bearing (4-03) and the outer ring of the common bearing (4-06), and the pinion bearing (3-06) is embedded inside, the pinion shaft (3-07) is fixedly connected to the inner ring of the pinion bearing (3-06), and the pinion fixing frame (3-05) is fixedly connected to the hook body bracket (2-05); The pinion bearing (3-06) is embedded and installed inside the pinion fixing frame (3-05), the outer ring of the pinion bearing (3-06) is connected and fixed to the pinion fixing frame (3-05), and the inner ring of the pinion bearing (3-06) is fixedly connected to the pinion shaft (3-07); Both ends of the pinion shaft (3-07) are connected and fixed to the inner ring of the pinion bearing (3-06), and one end is provided with the triangular screw hole (3-08) for mounting and fixing the pinion (3-04); The triangular screw hole (3-08) is located inside the pinion shaft (3-07) and is used to cooperate with the triangular gong head inserted into the electric gong cutter (6-04); The gear connecting frame (3-09) is used to install and fix the one-way gear 1 (3-01), the one-way gear 2 (3-02), the large gear (3-03), the tapered roller bearing outer ring (4-03) and the ordinary bearing outer ring (4-06), and the gear connecting frame (3-09) is embedded with the gear nut (3-10); The gear nut (3-10) is embedded in the gear connecting frame (3-09) and can be matched and coupled with the transmission rod (5-02).

5. The force measuring fastening device according to claim 1, characterized in that: The tapered roller bearing (4-01) comprises a tapered roller bearing inner ring (4-02) and a tapered roller bearing outer ring (4-03), and is used to connect the pinion fixing frame (3-05) and the gear connecting frame (3-09); The tapered roller bearing inner ring (4-02) is connected to the gear connecting frame (3-09) for rotating therewith; The tapered roller bearing outer ring (4-03) is fixedly connected to the pinion fixing frame (3-05) and the hook body bracket (2-05) and is used to bear the upward pulling pressure of the vehicle body hook module (0-02) through the tapered rollers on the tapered roller bearing (4-01); The common bearing (4-04) comprises the common bearing inner ring (4-05) and the common bearing outer ring (4-06), which are used to connect the pinion fixing frame (3-05) and the gear connecting frame (3-09); The common bearing inner ring (4-05) is fixedly connected to the gear connecting frame (3-09) for rotating therewith; The common bearing outer ring (4-06) is fixedly connected to the pinion fixing frame (3-05) and is used to support and install the pinion fixing frame (3-05).

6. The force measuring fastening device according to claim 1, characterized in that: The transmission thread (5-01) is located on the transmission rod (5-02) and is used for rotationally coupling with the gear nut (3-10); the transmission thread (5-01) is fixedly connected to the spring body (1-02); The transmission rod (5-02) is provided with the transmission thread (5-01), and the transmission rod (5-02) is used to connect the spring body (1-02) and the spring force measuring rod (1-03).

7. The force measuring fastening device according to claim 1, characterized in that: The one-way wrench (6-01) comprises the wrench tooth (6-02) and the wrench arm (6-03), which is used to match and couple with the one-way tooth 1 (3-01) and the one-way tooth 2 (3-02), and to rotate quickly in one direction by means of the lever principle; The wrench tooth (6-02) is located at the end of the one-way wrench (6-01), and can be matched and coupled with the one-way tooth 1 (3-01) and the one-way tooth 2 (3-02); The lever arm (6-03) is the main body of the one-way wrench (6-01), and is used to manually use the lever principle to pull the one-way tooth 1 (3-01) and the one-way tooth 2 (3-02); The electric gong (6-04) is a tool for replacing the one-way wrench (6-01) to quickly complete the tightening operation.

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