Screw torque detection device

Abstract

The utility model relates to the technical field of torque detection, in particular to a screw torque detection device, which comprises a lower clamping block and an upper clamping block, a plurality of lower half screw grooves with different sizes are distributed at the top of the lower clamping block at intervals, and the lower clamping block is further provided with a front positioning pin and a rear positioning pin which are used for positioning the upper clamping block. The front positioning pin and the rear positioning pin are diagonally arranged; the upper clamping block is arranged at the top of the lower clamping block and is detachably connected with the lower clamping block, a plurality of upper half screw grooves with different sizes are formed in the bottom of the upper clamping block at intervals, the upper half screw grooves and the lower half screw grooves correspond to each other up and down, and the upper half screw grooves and the lower half screw grooves which correspond to each other form torque detection screw grooves. And a lifting ring is vertically arranged on the upper clamping block. The screw torque detection device is simple in structure and easy to operate, can meet the use requirements of different users in different scenes, and can detect the torque of screws of different specifications at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of torque detection, in particular to a screw torque detection device. Background Art

[0002] Currently in the field of mechanical manufacturing and processing industries, screws are commonly used fasteners, most of which are customized screws made of special metals. In order to ensure that the connection strength between the corresponding connecting parts is sufficient, it is necessary to test the torque of the screws. Accurate control of the tightening torque of the screws is crucial to ensuring the quality and reliability of the product. However, there are generally some problems with the screw torque detection equipment on the market.

[0003] Existing screw torque detection equipment is bulky and complex in structure, which not only takes up a lot of production space but also has high operation and maintenance costs. At the same time, it often relies on high-precision sensors and complex electronic control systems. Although it can achieve high-precision torque detection, it cannot meet the user's usage needs in different scenarios. In some special application scenarios, such as outdoor operations and emergency repairs, its reliability and stability will be seriously affected. Summary of the Invention

[0004] In order to solve the problem that existing screw torque detection equipment cannot meet the requirements of use in different scenarios, the utility model provides a screw torque detection device. The device has a simple structure and simple operation, can meet the usage needs of different users in different scenarios, and can also perform torque detection on screws of different specifications.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the utility model is: a screw torque detection device, comprising a lower clamping block and an upper clamping block, wherein a plurality of lower half screw grooves of different sizes are arranged at intervals on the top of the lower clamping block, and the lower clamping block is also provided with a front positioning pin and a rear positioning pin for positioning the upper clamping block, and the front positioning pin and the rear positioning pin are arranged diagonally. Through the action of the front positioning pin and the rear positioning pin, it can be ensured that the upper clamping block is aligned with the lower clamping block.

[0006] The upper clamping block is mounted on top of the lower clamping block and is detachably connected to the lower clamping block. A plurality of upper half-slots of varying sizes are spaced apart at intervals on the bottom of the upper clamping block. The upper half-slots correspond vertically to the lower half-slots, and the corresponding upper and lower half-slots form torque detection slots. A lifting ring is vertically mounted on the upper clamping block. The combination of the upper and lower clamping blocks allows the lower half-slots to form torque detection slots of varying sizes. These torque detection slots are used to install screws requiring torque detection, and the varying sizes of the torque detection slots enable torque detection on screws of varying specifications.

[0007] Further, the lower clamping block is provided with an extension plate on the lower part of two sides, and the lower clamping block and the extension plate are integrally formed, and the extension plate is used to fix the lower clamping block on the operation platform.

[0008] Further, the lower clamping block is provided with a front pin groove one and a rear pin groove one on the top, and the front pin groove one and the rear pin groove one are diagonally arranged; the lower end of the front positioning pin is inserted into the front pin groove one, and the lower end of the rear positioning pin is inserted into the rear pin groove one, and the front pin groove one and the rear pin groove one provide installation positions for the front positioning pin and the rear positioning pin.

[0009] Further, the upper clamping block is provided with a front pin groove two and a rear pin groove two on the bottom, and the front pin groove two and the rear pin groove two correspond to the front pin groove one and the rear pin groove one respectively; the upper end of the front positioning pin is inserted into the front pin groove two, and the upper end of the rear positioning pin is inserted into the rear pin groove two, and the front positioning pin and the rear positioning pin are inserted into the front pin groove two and the rear pin groove two respectively, so that the upper clamping block and the lower clamping block are aligned with each other, the upper half screw groove and the lower half screw groove are aligned with each other, and the upper half screw groove and the lower half screw groove corresponding to each other form a torque detection screw groove.

[0010] Further, the lower clamping block and the upper clamping block are provided with fastening screw holes, the fastening screw holes are provided with fastening bolts, and the lower clamping block and the upper clamping block are connected through the fastening bolts.

[0011] Further, a gasket is arranged between the screw head of the fastening bolt and the upper clamping block, and the gasket is sleeved on the screw rod of the fastening bolt, so that the fixing effect of the fastening bolt on the upper clamping block and the lower clamping block is improved.

[0012] Further, the upper clamping block is also provided with a lifting ring screw hole, and a lifting ring is threadedly connected with the upper clamping block through the lifting ring screw hole, so that the lifting ring facilitates lifting of the upper clamping block, and when the screw for detecting torque is broken, the upper clamping block can be lifted by rotating the lifting ring, so that the broken part of the screw can be taken out.

[0013] Further, the upper half screw groove and the lower half screw groove corresponding to each other have the same diameter, which is used to form a torque detection screw groove.

[0014] Through the above technical scheme, the utility model has the advantages of simple structure, convenient installation and simple operation, can meet the use requirements of different users in different scenes, can also detect the torque of screws of different specifications, has a wide application range, and has high application value.

[0015] The utility model has the advantages of simple structure, convenient installation, simple operation, can meet the use requirements of different users in different scenes, can also detect the torque of screws of different specifications, has a wide application range, and has high application value.

[0016] The utility model splices the upper clamping block with the top of the lower clamping block by fastening bolts, so as to achieve convenient installation and meet the usage requirements of different users in different scenarios; at the same time, the upper half screw groove at the bottom of the upper clamping block and the lower half screw groove at the top of the lower clamping block are spliced ​​with each other to form a torque detection screw groove, and the screw whose torque needs to be detected is screwed into the torque detection screw groove, and the torque is gradually increased by rotating the screw with a torque wrench until the screw whose torque is detected is broken. The torque wrench displays the torque of the screw, thereby achieving the effect of torque detection on the screw.

[0017] The utility model forms torque detection screw grooves of different diameters by forming multiple upper screw grooves of different sizes at the bottom of the upper clamping block and multiple lower screw grooves of different sizes at the top of the lower clamping block, thereby achieving the effect of torque detection on screws of different specifications.

[0018] The utility model realizes the effect of the front locating pin and the rear locating pin positioning the installation position of the upper clamping block by respectively inserting the upper and lower ends of the front locating pin into the front pin groove two and the front pin groove one, and respectively inserting the upper and lower ends of the rear locating pin into the rear pin groove two and the rear pin groove one, so that the upper clamping block and the lower clamping block are aligned with each other, thereby ensuring that the upper half screw groove and the lower half screw groove are aligned with each other, avoiding the phenomenon of misalignment between the upper half screw groove and the lower half screw groove of the same size, and ensuring that the upper half screw groove and the lower half screw groove corresponding to each other constitute the torque detection screw groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of a screw torque detection device of the utility model. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the structure of a screw torque detection device of the utility model. Figure 2 ;

[0021] Figure 3 This is a schematic diagram of the structure of the lower card block of the utility model Figure 1 ;

[0022] Figure 4 This is a schematic diagram of the structure of the lower card block of the utility model Figure 2 ;

[0023] Figure 5 This is a schematic diagram of the structure of the upper clamping block of the utility model Figure 1 ;

[0024] Figure 6 This is a schematic diagram of the structure of the upper clamping block of the utility model Figure 2 ;

[0025] Figure 7 This is a schematic diagram of the structure of the upper clamping block of the utility model Figure 3 .

[0026] The reference signs in the drawing are: 1 is a lower clamping block, 2 is an extension plate, 3 is a lower half screw slot, 4 is a front pin slot one, 5 is a rear pin slot one, 6 is a front positioning pin, 7 is a rear positioning pin, 8 is an upper clamping block, 9 is an upper half screw slot, 10 is a front pin slot two, 11 is a rear pin slot two, 12 is a fastening bolt, 13 is a washer, 14 is a fastening screw hole, 15 is a lifting ring, and 16 is a lifting ring screw hole. DETAILED DESCRIPTION

[0027] The utility model will be further explained in connection with the drawings and specific embodiments:

[0028] As Figures 1 to 7 shown, a screw torque detection device, including lower clamping block 1 and upper clamping block 8, lower clamping block 1 top interval is equipped with multiple different sizes lower half screw slot 3, lower clamping block 1 still is provided with the front positioning pin 6 and rear positioning pin 7 for positioning upper clamping block 8, the front positioning pin 6 and rear positioning pin 7 are diagonally arranged. In this embodiment, the number of lower half screw slots 3 on the top of the lower clamping block 1 is four, and the diameters of the four lower half screw slots 3 gradually increase from left to right, that is, the torque detection device can detect the torque of four different sizes of screws; the front positioning pin 6 and the rear positioning pin 7 are respectively located at the corners of the lower clamping block 1, and the purpose is to improve the positioning effect of the installation position of the upper clamping block 8, the front positioning pin 6 and the rear positioning pin 7 play a positioning role on the upper clamping block 8, and when the upper clamping block 8 is installed, through the action of the front positioning pin 6 and the rear positioning pin 7, it can ensure that the upper clamping block 8 is aligned with the lower clamping block 1.

[0029] The upper clamping block 8 is arranged on the top of the lower clamping block 1 and detachably connected with the lower clamping block 1, the bottom of the upper clamping block 8 is arranged with a plurality of upper half screw slots 9 of different sizes, the upper half screw slots 9 correspond to the lower half screw slots 3 in a vertical direction, the upper half screw slots 9 and the lower half screw slots 3 correspond to each other to form torque detection screw slots, and the upper clamping block 8 is vertically provided with a lifting ring 15. In this embodiment, the number of upper half screw slots 9 at the bottom of the upper clamping block 8 is also four, and each corresponds to a lower half screw slot 3. The diameters of the four upper half screw slots 9 also gradually increase from left to right; the four upper half screw slots 9 and the lower half screw slots 3 of different sizes form four torque detection screw slots of different hole diameters, which can detect the torque of four different sizes of screws; when the torque of the screw to be detected is detected, the corresponding torque detection screw slot is selected according to the diameter of the screw, and then the torque wrench is applied to the screw, and the torque is gradually increased until the screw is broken, and the detected screw torque is displayed on the torque wrench, thereby realizing the effect of detecting the torque of the screw, wherein the torque wrench is a prior art and will not be described in detail here.

[0030] Extension plates 2 are symmetrically provided on the lower parts of both sides of the lower clamping block 1. The lower clamping block 1 and the extension plates 2 are an integrally formed structure. In this embodiment, the lower clamping block 1 is conveniently fixed on the operating platform through the action of the extension plates 2, thereby facilitating the torque detection of the screws. The lower clamping block 1 and the extension plates 2 are overall in a "convex" shape.

[0031] The top of the lower clamping block 1 is provided with a front pin slot 4 and a rear pin slot 5, which are arranged diagonally. The lower end of the front positioning pin 6 is inserted into the front pin slot 4, and the lower end of the rear positioning pin 7 is inserted into the rear pin slot 5. In this embodiment, the front pin slot 4 and the rear pin slot 5 are respectively provided at the corners of the lower clamping block 1, and the front pin slot 4 and the rear pin slot 5 provide installation locations for the front positioning pin 6 and the rear positioning pin 7, respectively, so that the front positioning pin 6 and the rear positioning pin 7 can position the upper clamping block 8.

[0032] The bottom of the upper clamping block 8 is provided with a front pin groove 2 10 and a rear pin groove 2 11, and the front pin groove 2 10 and the rear pin groove 2 11 correspond to the front pin groove 1 4 and the rear pin groove 1 5 respectively; the upper end of the front positioning pin 6 is inserted into the front pin groove 2 10, and the upper end of the rear positioning pin 7 is inserted into the rear pin groove 2 11. In this embodiment, when the upper clamping block 8 is installed on the top of the lower clamping block 1, the front pin groove 2 10 and the rear pin groove 2 11 at the bottom of the upper clamping block 8 are aligned with the front positioning pin 6 and the rear positioning pin 7 respectively, and then the upper clamping block 8 is placed on the top of the lower clamping block 1, so that the upper end of the front positioning pin 6 is inserted into the front pin groove 2 10, and the upper end of the rear positioning pin 7 is inserted into the rear pin groove 2 11, ensuring that the upper clamping block 8 and the lower clamping block 1 are aligned with each other, so that the upper half screw groove 9 and the lower half screw groove 3 are aligned with each other up and down, avoiding the phenomenon of misalignment between the upper half screw groove 9 and the lower half screw groove 3 of the same size.

[0033] The lower clamping block 1 and the upper clamping block 8 are both provided with fastening screw holes 14, and fastening bolts 12 are provided in the fastening screw holes 14. The lower clamping block 1 and the upper clamping block 8 are connected by the fastening bolts 12. In this embodiment, there are two fastening screw holes 14 and two fastening bolts 12. The fastening bolts 12 are threadedly connected to the upper clamping block 8 and the lower clamping block 1, and the upper clamping block 8 and the lower clamping block 1 are fixed by the fastening bolts 12.

[0034] A washer 13 is provided between the screw head of the fastening bolt 12 and the upper clamping block 8, and the washer 13 is sleeved on the screw rod of the fastening bolt 12. In this embodiment, the washer 13 improves the effect of the fastening bolt on fixing the upper clamping block 8 and the lower clamping block 1.

[0035] The upper clamping block 8 is further provided with a lifting ring screw hole 16, through which the lifting ring 15 is threadedly connected to the upper clamping block 8. In this embodiment, the lifting ring screw hole 16 is located between the two fastening screw holes 14, that is, the lifting ring 15 is located between the two fastening bolts 12. The lifting ring 15 serves to facilitate lifting the upper clamping block 8. At the same time, when the torque detection screw is broken, the upper clamping block 8 can be lifted by continuing to rotate the lifting ring 15, so that the broken part of the screw can be removed.

[0036] The diameters of the upper half screw groove 9 and the lower half screw groove 3 corresponding to each other are the same. The purpose is to make the upper half screw groove 9 and the lower half screw groove 3 corresponding to each other constitute a torque detection screw groove, so that the torque detection screw groove matches the screw that needs to detect torque.

[0037] When the present invention is used, the lower clamping block 1 is first fixedly installed on the operating platform, and then the front positioning pin 6 and the rear positioning pin 7 are respectively inserted into the front pin groove 1 4 and the rear pin groove 1 5 at the top of the lower clamping block 1, and then the upper clamping block 8 is moved so that the front pin groove 2 10 and the rear pin groove 2 11 at the bottom of the upper clamping block 8 are aligned with the front positioning pin 6 and the rear positioning pin 7 respectively, and then the upper clamping block 8 is placed on the top of the lower clamping block 1, so that the upper end of the front positioning pin 6 is inserted into the front pin groove 2 10, and the upper end of the rear positioning pin 7 is inserted into the rear pin groove 2 11, and then the upper clamping block 8 and the lower clamping block 1 are fixed by the fastening bolts 12, and the washers 13 are set on the fastening bolts 12 at the same time.

[0038] When it is necessary to perform torque testing on a screw, first ensure that the screw being tested has the same specifications as the corresponding torque testing screw groove, then apply the torque wrench to the screw, and gradually increase the torque until the screw is broken. The detected screw torque is displayed on the torque wrench; after the screw is broken, it is necessary to remove the broken part, that is, remove the fastening bolts 12 that fix the upper clamping block 8 and the lower clamping block 1, and then screw the lower part of the lifting ring 15 into the lifting ring screw hole 16 until the lower end of the lifting ring 15 lifts the upper clamping block 8, then remove the upper clamping block 8, and then the broken part of the screw can be taken out.

[0039] The embodiments described above are only preferred embodiments of the utility model and do not limit the scope of implementation of the utility model. Therefore, any equivalent changes or modifications made according to the technical solutions described in the patent scope of the utility model should be included in the scope of the patent application of the utility model.

Claims

1. A screw torque detection device, characterized in that: It comprises a lower clamping block (1) and an upper clamping block (8), wherein a plurality of lower half screw grooves (3) of different sizes are arranged at intervals on the top of the lower clamping block (1), and a front positioning pin (6) and a rear positioning pin (7) for positioning the upper clamping block (8) are also provided on the lower clamping block (1), wherein the front positioning pin (6) and the rear positioning pin (7) are arranged diagonally; The upper clamping block (8) is arranged on the top of the lower clamping block (1) and is detachably connected to the lower clamping block (1). A plurality of upper half screw grooves (9) of different sizes are arranged at intervals on the bottom of the upper clamping block (8). The upper half screw grooves (9) correspond to the lower half screw grooves (3) in the upper and lower directions. The upper half screw grooves (9) and the lower half screw grooves (3) corresponding to each other constitute torque detection screw grooves. A lifting ring (15) is vertically arranged on the upper clamping block (8).

2. A screw torque detection device according to claim 1, characterized in that: Extension plates (2) are symmetrically provided at the lower parts of both sides of the lower clamping block (1); the lower clamping block (1) and the extension plates (2) are an integrally formed structure.

3. A screw torque detection device according to claim 1, characterized in that: The top of the lower clamping block (1) is provided with a front pin groove (4) and a rear pin groove (5), and the front pin groove (4) and the rear pin groove (5) are arranged diagonally; the lower end of the front positioning pin (6) is inserted into the front pin groove (4), and the lower end of the rear positioning pin (7) is inserted into the rear pin groove (5).

4. A screw torque detection device according to claim 3, characterized in that: The bottom of the upper clamping block (8) is provided with a front pin groove 2 (10) and a rear pin groove 2 (11), and the front pin groove 2 (10) and the rear pin groove 2 (11) correspond to the front pin groove 1 (4) and the rear pin groove 1 (5) respectively; the upper end of the front positioning pin (6) is inserted into the front pin groove 2 (10), and the upper end of the rear positioning pin (7) is inserted into the rear pin groove 2 (11).

5. The screw torque detection device according to claim 1, characterized in that: The lower clamping block (1) and the upper clamping block (8) are both provided with fastening screw holes (14), and fastening bolts (12) are provided at the fastening screw holes (14). The lower clamping block (1) and the upper clamping block (8) are connected via the fastening bolts (12).

6. A screw torque detection device according to claim 5, characterized in that: A washer (13) is provided between the screw head of the fastening bolt (12) and the upper clamping block (8), and the washer (13) is sleeved on the screw rod of the fastening bolt (12).

7. The screw torque detection device according to claim 1, characterized in that: The upper clamping block (8) is also provided with a lifting ring screw hole (16), and the lifting ring (15) is threadedly connected to the upper clamping block (8) through the lifting ring screw hole (16).

8. The screw torque detection device according to claim 1, characterized in that: The upper half of the spiral groove (9) and the lower half of the spiral groove (3) corresponding to each other have the same diameter.

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