Hydraulic torque wrench calibration device

Abstract

The utility model belongs to the technical field of hydraulic torque wrench calibration, and particularly relates to a hydraulic torque wrench calibration device which comprises a lower plate body, an upper plate body arranged above the lower plate body and a high-strength rod used for connecting the lower plate body and the upper plate body, and the high-strength rod penetrates through the surface of the upper plate body. The lower plate body is connected with a high-strength bolt arranged on the surface of the upper plate body, and a plurality of sets of sleeves are arranged between the lower plate body and the upper plate body. The counter-force rods of the device can achieve large-torque calibration work under different force arms through point location layout, the number of the counter-force rods in three groups is six, the hydraulic torque wrench is installed between the two counter-force rods according to requirements to simulate work of the hydraulic torque wrench, the three groups of counter-force rods are different in diameter size, and the counter-force rods are different in diameter size. The device is suitable for detection of various common hydraulic torque wrenches with different measuring ranges and different sizes, the sleeves are used for mounting the reaction rods, and the six sleeves in three groups have anti-torsion and anti-shearing effects in the torque applying process of the device.

Description

Technical Field

[0001] The utility model belongs to the technical field of hydraulic torque wrench calibration, and in particular relates to a hydraulic torque wrench calibration device. Background Art

[0002] Hydraulic and electric torque wrenches are widely used in equipment maintenance and installation in many heavy and chemical industries. Hydraulic torque wrenches are divided into two series: driven hydraulic wrenches and hollow hydraulic wrenches. The existing hydraulic torque wrench calibration device has the characteristics of small range, single calibration hydraulic torque wrench model, and inconvenient movement;

[0003] In order to solve the above problems, a hydraulic torque wrench calibration device is proposed in the present application. Utility Model Content

[0004] To solve the problems raised in the above background technology. The utility model provides a hydraulic torque wrench calibration device, which can realize the measurement of hydraulic torque wrenches of different ranges, realize the calibration of the measurement characteristics of hydraulic torque wrenches with a range of (0-30000) Nm, install three sets of reaction rods, suitable for the measurement of hydraulic torque wrenches of different sizes and different ranges, and at the same time, the device is equipped with rollers for easy movement, so as to realize the measurement and calibration of hydraulic torque wrenches in different occasions.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic torque wrench calibration device, comprising a lower plate body, an upper plate body arranged above the lower plate body, and a high-strength rod for connecting the lower plate body and the upper plate body, the high-strength rod passes through the surface of the upper plate body and is connected to the high-strength bolts arranged on the surface of the upper plate body, a plurality of groups of sleeves are arranged between the lower plate body and the upper plate body, the sleeve passes through the surface of the upper plate body and is on the same horizontal plane as the surface of the upper plate body, and a reaction rod is slidably connected inside the sleeve, a connecting plate is installed on the surface of the lower plate body, a conversion joint is connected to the connecting plate, the conversion joint passes through the surface of the upper plate body and is on the same horizontal plane as the surface of the upper plate body.

[0006] As a preferred embodiment of the hydraulic torque wrench calibration device of the utility model, the number of the high-strength rods is four, and the four high-strength rods are symmetrically distributed between the lower plate body and the upper plate body.

[0007] As a preferred embodiment of the hydraulic torque wrench calibration device of the utility model, the number of the sleeves is six, and the six sleeves are symmetrically installed between the lower plate body and the upper plate body.

[0008] As a preferred embodiment of the hydraulic torque wrench calibration device of the utility model, a reaction rod is slidably connected in each sleeve.

[0009] As a preferred embodiment of the hydraulic torque wrench calibration device of the utility model, it also includes lockable rollers, the number of the lockable rollers is four, and the four lockable rollers are symmetrically installed on the bottom surface of the lower plate body.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the device is designed with an upper and lower layer, which is connected by a high-strength rod. It has strong rigidity and is convenient for replacing the torque measuring instrument. The torque measuring instrument is installed by high-strength bolt connection, which is convenient for disassembly and replacement of sensors of different ranges, and realizes the measurement of hydraulic torque wrenches of different range values. The reaction rods of the device are arranged in points, so that large torque calibration under different force arms can be realized. There are three groups of six reaction rods in total. The hydraulic torque wrench is installed between the two reaction rods as required to simulate the operation of the hydraulic torque wrench. The three groups of reaction rods have different diameters and sizes, which are suitable for the detection of various commonly used hydraulic torque wrenches of different ranges and sizes. The sleeve is used to install the reaction rods, which are three groups of six in total. At the same time, it plays a role of anti-torsion and anti-shear for the device during the torque application process. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a front view structural schematic diagram of the utility model;

[0014] Figure 3 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 4 It is an isometric structural schematic diagram of the utility model;

[0016] In the figure:

[0017] 10. Lower plate body;

[0018] 11. High-strength rod;

[0019] 12. Upper plate body;

[0020] 13. High-strength bolts;

[0021] 14. Adapter;

[0022] 15. Reaction rod;

[0023] 16. Sleeve;

[0024] 17. Lockable rollers;

[0025] 18. Connecting plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1

[0028] like Figures 1 to 4 As shown;

[0029] A hydraulic torque wrench calibration device includes a lower plate body 10, an upper plate body 12 arranged above the lower plate body 10, and a high-strength rod 11 for connecting the lower plate body 10 and the upper plate body 12. The high-strength rod 11 passes through the surface of the upper plate body 12 and is connected to a high-strength bolt 13 arranged on the surface of the upper plate body 12. A plurality of sets of sleeves 16 are arranged between the lower plate body 10 and the upper plate body 12. The sleeves 16 pass through the surface of the upper plate body 12 and are on the same horizontal plane as the surface of the upper plate body 12. A reaction rod 15 is slidably connected inside the sleeves 16. A connecting disk 18 is installed on the surface of the lower plate body 10. A conversion joint 14 is connected to the connecting disk 18. The conversion joint 14 passes through the surface of the upper plate body 12 and is on the same horizontal plane as the surface of the upper plate body 12.

[0030] In this embodiment: the lower plate 10 and the upper plate 12 are connected by a high-strength rod 11, which can make the device rigid and easy to replace the torque measuring instrument. The torque measuring instrument is connected and installed by a high-strength bolt 13, which is convenient for disassembly and replacement of sensors of different ranges, and realizes the measurement of hydraulic torque wrenches of different range values. The reaction rod 15 in this device can realize large torque calibration work under different force arms through point layout. The reaction rod 15 has three groups of six rods. The hydraulic torque wrench is installed between two reaction rods 15 as required to simulate the work of the hydraulic torque wrench. The three groups of reaction rods 15 have different diameters and are suitable for the detection of various commonly used hydraulic torque wrenches of different ranges and sizes. The sleeve 16 is used to install the reaction rod 15, which has three groups of six rods. At the same time, it plays a role in anti-torsion and anti-shearing for the device during the torque application process.

[0031] In an optional embodiment, the number of high-strength rods 11 is four, and the four high-strength rods 11 are symmetrically distributed between the lower plate body 10 and the upper plate body 12 .

[0032] In an optional embodiment, the number of the sleeves 16 is six, and the six sleeves 16 are symmetrically installed between the lower plate body 10 and the upper plate body 12 .

[0033] In an optional embodiment, a reaction rod 15 is slidably connected in each sleeve 16 .

[0034] In an optional embodiment, it further includes four lockable rollers 17 , and the four lockable rollers 17 are symmetrically mounted on the bottom surface of the lower plate body 10 .

[0035] In this embodiment, four lockable rollers 17 are used to facilitate the movement of the device.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A hydraulic torque wrench calibration device, characterized in that: The invention comprises a lower plate body (10), an upper plate body (12) arranged above the lower plate body (10), and a high-strength rod (11) for connecting the lower plate body (10) and the upper plate body (12); the high-strength rod (11) passes through the surface of the upper plate body (12) and is connected to a high-strength bolt (13) arranged on the surface of the upper plate body (12); a plurality of sets of sleeves (16) are arranged between the lower plate body (10) and the upper plate body (12); the sleeves (16) pass through the surface of the upper plate body (12) and are on the same horizontal plane as the surface of the upper plate body (12); and a reaction rod (15) is slidably connected inside the sleeves (16); a connecting plate (18) is installed on the surface of the lower plate body (10); a conversion joint (14) is connected to the connecting plate (18); the conversion joint (14) passes through the surface of the upper plate body (12) and is on the same horizontal plane as the surface of the upper plate body (12).

2. The hydraulic torque wrench calibration device according to claim 1, characterized in that: The number of the high-strength rods (11) is four, and the four high-strength rods (11) are symmetrically distributed between the lower plate body (10) and the upper plate body (12).

3. The hydraulic torque wrench calibration device according to claim 1, characterized in that: The number of the sleeves (16) is six, and the six sleeves (16) are symmetrically installed between the lower plate body (10) and the upper plate body (12).

4. The hydraulic torque wrench calibration device according to claim 3, characterized in that: A reaction rod (15) is slidably connected inside each sleeve (16).

5. The hydraulic torque wrench calibration device according to claim 1, characterized in that: It also includes lockable rollers (17), the number of which is four, and the four lockable rollers (17) are symmetrically mounted on the bottom surface of the lower plate body (10).

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