Torque wrench calibration device

Abstract

The utility model relates to the technical field of torque wrench calibration, and discloses a torque wrench calibration device which comprises a rack and a detection mechanism installed on the top of the rack, and further comprises an adjusting mechanism installed on the surface of the rack, the surface of the detection mechanism is connected with a movable frame in a sliding mode, one side of the top of the movable frame is fixedly connected with a positioning rod, and the other side of the top of the movable frame is fixedly connected with a clamping mechanism. The other side of the top of the movable frame is fixedly connected with a fixed shell; according to the torque wrench calibration device, under the cooperation of the rack plate, the clamping frame and the movable mechanism, the position of the movable frame can be rapidly adjusted, so that the torque wrench calibration device is more convenient to calibrate torque wrenches of different sizes, meanwhile, the torque wrench calibration device can adjust the torque wrenches through the cooperation of the fixed shell and the adjusting mechanism, and the calibration accuracy is improved. According to the torque wrench calibration device, the torque wrench is made to be in the horizontal state, the accuracy of the torque wrench in the calibration process is effectively improved, and the problems that when part of existing devices are used, convenience is poor, and applicability is poor are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to torsion spanner calibration technical field, specifically is a torsion spanner calibration device. BACKGROUND

[0002] The torsion spanner calibration device is a device for calibrating a torsion spanner to ensure the accuracy of its measurement and application of torque. The working principle of the torsion spanner calibration device is based on the measurement and comparison of torque. During the calibration process, the device applies a series of known torque values to the torsion spanner through a torque loading system. Intelligent sensors perceive these torque values and convert them into electrical signals. The intelligent instrument receives these electrical signals, displays them after processing, and compares them with the preset standard torque value to evaluate the accuracy of the torsion spanner.

[0003] However, the existing calibration devices need to be limited according to the length of the torsion spanner during use, and the existing devices need to move the limiting frame through the cooperation of bolts during use. The limiting of the device through bolts makes it inconvenient to fix the limiting frame, thereby reducing the convenience of the device during calibration.

[0004] At the same time, the existing device needs to be in a horizontal state during use, but the existing torsion spanner is various, and after being placed, the handle is prone to be uneven, which causes the torsion spanner to be in an inclined state, reduces the accuracy of the torsion spanner during calibration, and reduces the applicability of the device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a torsion spanner calibration device to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a torsion spanner calibration device, comprising a rack and a detection mechanism installed on the top of the rack, further comprising:

[0007] An adjusting mechanism is installed on the surface of the rack, the surface of the detection mechanism is slidingly connected with a movable frame, one side of the top of the movable frame is fixedly connected with a positioning rod, the other side of the top of the movable frame is fixedly connected with a fixed shell, and the inside of the fixed shell is installed with an adjusting mechanism;

[0008] A scale line is arranged on the surface of the fixed shell, a rack plate is installed on the surface of the detection mechanism, a clamping frame is slidingly connected to the inner wall of the movable frame, and the clamping frame is installed with a movable mechanism on one side.

[0009] Preferably, the adjusting mechanism comprises a threaded rod rotating in the inner wall of the fixed shell and a sleeve threadedly connected to the surface thereof, and the surface of the sleeve is fixedly connected with a receiving plate.

[0010] Preferably, the movable mechanism comprises a connecting frame rotating on one side of the clamping frame and a tension spring fixed on the surface thereof, and one side of the connecting frame is fixedly connected with a positioning frame.

[0011] Preferably, the surface of the receiving plate is fixedly connected with a guide ring, and the inner wall of the guide ring is in sliding connection with the surface of the positioning rod.

[0012] Preferably, two positioning holes are formed on one side of the movable frame, and the inner wall of the positioning hole is in sliding connection with the surface of the positioning frame.

[0013] Preferably, the surface of the clamping frame is in movable connection with the surface of the rack plate, and the clamping frame is used in cooperation with the rack plate.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses a rack plate and the cooperation of clamping frame and movable mechanism can quickly adjust the position of movable frame, so that the device is more convenient when calibrating the torque wrench of different sizes, effectively improves the convenience of the device, and the cooperation between the fixed shell and the adjusting mechanism can adjust the torque wrench, so that it is in the horizontal state, effectively improves the accuracy of the torque wrench when calibrating, improves the applicability of the device, solves the problem that the convenience of part of the existing device is poor when using, and the applicability is poor. DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram in the utility model;

[0017] Figure 2 It is the local three-dimensional structure schematic diagram in the utility model;

[0018] Figure 3 It is the local three-dimensional structure schematic diagram in the utility model;

[0019] Figure 4 It is the local three-dimensional sectional structure schematic diagram in the utility model.

[0020] In the drawing: 1, rack; 2, detection mechanism; 3, adjusting mechanism; 4, movable frame; 5, positioning rod; 6, fixed shell; 7, adjusting mechanism; 71, threaded rod; 72, sleeve; 73, receiving plate; 8, scale line; 9, rack plate; 10, clamping frame; 11, movable mechanism; 111, connecting frame; 112, tension spring; 113, positioning frame; 12, positioning hole; 13, guide ring. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-4 As shown in FIG. 1, a torque wrench calibration device comprises a rack 1, a detection mechanism 2 is installed on the top of the rack 1, an adjusting mechanism 3 is installed on the surface of the rack 1, the adjusting mechanism 3 is used in cooperation with the detection mechanism 2, under the action, the torque wrench to be calibrated can be clamped in the inside of the detection mechanism 2, then the torque wrench is calibrated through the cooperation of the adjusting mechanism 3 and the detection mechanism 2, a movable frame 4 is slidably connected to the surface of the detection mechanism 2, a positioning rod 5 is fixedly connected to one side of the top of the movable frame 4, a fixed shell 6 is fixedly connected to the other side of the top of the movable frame 4, under the action of the positioning rod 5 and the fixed shell 6, the torque wrench can be limited, so that the torque wrench is more stable when being calibrated, and under the action of the movable frame 4, the position can be adjusted according to the cooperation of the length of the torque wrench itself, so that the device can be suitable for torque wrenchs of different lengths, thereby improving the applicability of the device, an adjusting mechanism 7 is installed in the inside of the fixed shell 6, when the height of the torque wrench needs to be adjusted, the height of the torque wrench is changed through the cooperation of the adjusting mechanism 7 and the fixed shell 6, so that the device can be in a horizontal state when calibrating the torque wrench, effectively improving the applicability of the device, a scale line 8 is arranged on the surface of the fixed shell 6, the scale line 8 is used in cooperation with the adjusting mechanism 7, under the action, the staff can estimate conveniently when adjusting the height of the torque wrench, effectively improving the accuracy of the device when adjusting the height of the torque wrench, a rack plate 9 is installed on the surface of the detection mechanism 2, a clamping frame 10 is slidably connected to the inner wall of the movable frame 4, the surface of the clamping frame 10 is movably connected to the surface of the rack plate 9, the clamping frame 10 is used in cooperation with the rack plate 9, under the action, the clamping frame 10 can be clamped on the surface of the rack plate 9 through the action of the clamping frame 10, so that the clamping frame 10 will not easily move, effectively improving the stability of the movable frame 4 when being used, an activity mechanism 11 is installed on one side of the clamping frame 10, the activity mechanism 11 can conveniently adjust the position of the clamping frame 10, so that the movable frame 4 is more convenient when needing to be moved, and the clamping frame 10 can be clamped with the rack plate 9 when needing to be fixed, so that the position of the movable frame 4 can be in a stable state, thereby making the device more convenient and fast when calibrating the torque wrench.

[0023] The adjusting mechanism 7 comprises a threaded rod 71 rotating in the inner wall of the fixed shell 6, the surface of the threaded rod 71 is threadedly connected with a sleeve 72, the surface of the sleeve 72 is fixedly connected with a bearing plate 73, the surface of the bearing plate 73 is movably connected with the surface of the movable frame 4, under the action, the position of the bearing plate 73 can be adjusted through the cooperation of the threaded rod 71 and the sleeve 72, so that the bearing plate 73 can adjust the height of the torque wrench, so that the device can be in a horizontal state when calibrating the torque wrench, effectively improving the accuracy of the device when calibrating, the surface of the bearing plate 73 is fixedly connected with a guide ring 13, the inner wall of the guide ring 13 is slidably connected with the surface of the positioning rod 5, under the action, the bearing plate 73 can be guided through the action of the guide ring 13, so that the bearing plate 73 can be more stable when moving, avoiding that the height of the torque wrench is affected by the insufficient position of the bearing plate 73.

[0024] The moving mechanism 11 comprises a connecting frame 111 rotating on one side of the clamping frame 10, the other end of the connecting frame 111 penetrates the other side of the movable frame 4 and is slidably connected with the inner wall of the penetration position, one side of the connecting frame 111 is fixedly connected with a tension spring 112, the other end of the tension spring 112 is fixedly connected with the surface of the movable frame 4, under the action, it is more convenient to move the clamping frame 10 when needed, and under the cooperation of the tension spring 112, the clamping frame 10 can be attached to the rack plate 9, so that the movable frame 4 will not easily deviate from the position, one side of the connecting frame 111 is fixedly connected with a positioning frame 113, the positioning frame 113 is used in cooperation with the movable frame 4, under the action, when it is needed to make the clamping frame 10 not in contact with the rack plate 9 for a long time, the connecting frame 111 can be rotated to make the positioning frame 113 contact with the movable frame 4, so that the clamping frame 10 will not easily move under the cooperation of the tension spring 112, effectively improving the convenience of moving the movable frame 4, two positions on one side of the movable frame 4 are provided with positioning holes 12, the inner wall of the positioning hole 12 is slidably connected with the surface of the positioning frame 113, under the action, the positioning frame 113 can be embedded in the inside of the positioning hole 12, so as to further limit the positioning frame 113, avoiding that it easily separates from the surface of the movable frame 4 and affects the normal movement of the movable frame 4.

[0025] It is worth noting that the rack 1, the detection mechanism 2 and the adjusting mechanism 3 and other technical features proposed in the technical scheme should be regarded as prior art, the specific structure, working principle and possible control mode and spatial arrangement mode of these technical features can be selected conventionally in the art, and the technical scheme will not be further expanded and described in detail.

[0026] Working principle: first need to be placed in the detection mechanism 2 of the torque wrench calibration, then the staff pull the connecting frame 111 make the clamping frame 10 no longer in contact with the rack plate 9, then rotate the connecting frame 111 make it drive the positioning frame 113 to the inside of the positioning hole 12, so that the clamping frame 10 will not easily move, then adjust the position of the movable frame 4, the torque wrench is clamped between the positioning rod 5 and the fixed shell 6, then rotate the connecting frame 111 make the clamping frame 10 back to the original place, then the rack plate 9 and the clamping frame 10 under the cooperation of the movable frame 4 is limited, make the movable frame 4 more convenient when fixed, then the staff rotate the threaded rod 71, under the cooperation of the threaded rod 71 and the sleeve 72 make the receiving plate 73 to adjust the height of the torque wrench, again through the cooperation of the scale line 8 make the height of the torque wrench more accurate, after adjusting the receiving plate 73 to the appropriate position, through the cooperation of the adjusting mechanism 3 and the detection mechanism 2 to calibrate the torque wrench can.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations 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 torque wrench calibration device, comprising a frame (1) and a detection mechanism (2) mounted on top thereof, characterized in that, Also includes: An adjustment mechanism (3) is installed on the surface of the frame (1). A movable frame (4) is slidably connected to the surface of the detection mechanism (2). A positioning rod (5) is fixedly connected to one side of the top of the movable frame (4). A fixed shell (6) is fixedly connected to the other side of the top of the movable frame (4). An adjustment mechanism (7) is installed inside the fixed shell (6). The scale line (8) is set on the surface of the fixed shell (6), the rack plate (9) is installed on the surface of the detection mechanism (2), the inner wall of the movable frame (4) is slidably connected to the positioning frame (10), and the movable mechanism (11) is installed on one side of the positioning frame (10).

2. The torque wrench calibration device according to claim 1, characterized in that: The adjustment mechanism (7) includes a threaded rod (71) that rotates on the inner wall of the fixed shell (6) and a sleeve (72) that is threaded to its surface. A receiving plate (73) is fixedly connected to the surface of the sleeve (72).

3. The torque wrench calibration device according to claim 1, characterized in that: The active mechanism (11) includes a connecting frame (111) that rotates on one side of the positioning frame (10) and a tension spring (112) fixed to its surface. A positioning frame (113) is fixedly connected to one side of the connecting frame (111).

4. The torque wrench calibration device according to claim 2, characterized in that: A guide ring (13) is fixedly connected to the surface of the receiving plate (73), and the inner wall of the guide ring (13) is slidably connected to the surface of the positioning rod (5).

5. A torque wrench calibration device according to claim 3, characterized in that: The movable frame (4) has two positioning holes (12) on one side, and the inner wall of the positioning hole (12) is slidably connected to the surface of the positioning frame (113).

6. The torque wrench calibration device according to claim 1, characterized in that: The surface of the positioning frame (10) is movably connected to the surface of the rack plate (9), and the positioning frame (10) and the rack plate (9) are used together.

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