Measuring device for fixed torque of flange
By designing a flange constant torque measuring device, which uses a motor-driven U-shaped frame and limit components to automatically tighten flange bolts, and combined with real-time measurement by a torque sensor, the problems of large errors and inconvenient data acquisition in the existing technology are solved, and the accurate measurement of flange constant torque and the guarantee of sealing performance are realized.
Patent Information
- Application Number
- CN202520402026.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Existing methods for measuring flange torque have large errors and are inconvenient for data acquisition, making it impossible to accurately guarantee the sealing performance between flanges.
A flange constant torque measuring device was designed, including a mounting box, an adjustment component, a U-shaped frame, a motor, a limit component, and a torque sensor. The motor drives the U-shaped frame and the limit component to realize the automatic tightening and rotation of flange bolts, and the torque sensor measures and transmits data in real time.
It enables precise measurement of flange constant torque, improves measurement accuracy and data acquisition convenience, and ensures sealing performance between flanges.
Smart Images

Figure CN223783782U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to flange technical field, concretely is a kind of flange fixed torque measuring device. BACKGROUND
[0002] Flange fixed torque refers to in flange connection, in order to guarantee the sealing performance between flange, conduit stiffness and strengthen residual stress, the fastening torque of flange bolt is predefined. Through reasonable flange fixed torque, the sealing performance between flange can be ensured, and the problems of leakage and seepage are avoided.
[0003] The existing flange fixed torque is mainly loaded torque by manual mode, and torque is measured by reading table, and the test method has great error, and data acquisition is inconvenient. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of flange fixed torque measuring device to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of flange fixed torque measuring device, including installation box, the inside of installation box is provided with adjusting assembly, the adjusting assembly is connected with U-shaped frame, the right side of U-shaped frame is fixedly connected with second motor, the output shaft of second motor penetrates U-shaped frame and is fixedly connected with first mounting plate, the side, away from second motor of first mounting plate, is detachably connected with flange body, the front and back side of U-shaped frame is provided with limit component, the top surface left end of installation box is fixedly connected with fixed plate, the side, lower end of fixed plate, is provided with driving assembly, the rotating rod of fixed plate middle part is rotatably connected, the end, away from fixed plate of rotating rod, is fixedly connected with torque sensor, the side of torque sensor is fixedly connected with second mounting plate, the side, middle part of second mounting plate, is detachably connected with sleeve.
[0006] Preferably, the adjusting assembly includes a first motor, the first motor is fixedly connected to the left end of the inner surface of the installation box, the output shaft of the first motor is fixedly connected with a threaded rod, the threaded rod is rotatably connected to the right side wall of the installation box at the end away from the first motor, the threaded rod is threadedly connected with a U-shaped slider, the end of the U-shaped slider away from the threaded rod is slidably connected with a slide rod, the slide rod is fixedly connected to the left and right side walls of the installation box, and the U-shaped frame is fixedly connected to the top surface of the U-shaped slider at both ends.
[0007] Preferably, the limit component includes two electric telescopic rods, the two electric telescopic rods are fixedly connected to the middle part of the front and back side of the U-shaped frame, and the telescopic end of the electric telescopic rod penetrates the U-shaped frame and is fixedly connected with a limiting rod.
[0008] Preferably, the driving assembly includes a third motor fixedly connected to the lower end of the right side of the fixed plate, the output shaft of the third motor penetrates the fixed plate and is fixedly connected with a first gear, the first gear is in meshing connection with a second gear, and the second gear is fixedly connected to the left end of the rotating rod.
[0009] Preferably, the mounting box is fixedly connected with a support frame at the corner of the bottom surface.
[0010] Preferably, a plurality of limiting holes are arranged on the side surface of the first mounting plate in a circumferential distribution.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] In use, the flange body is installed on the side surface of the first mounting plate through the fixing bolt, the U-shaped frame is moved through the adjusting assembly, the fixing bolt on the surface of the flange body is inserted into the inner side of the sleeve, the first mounting plate is limited by the limiting assembly, the rotating rod is rotated by the driving assembly, the fixing bolt on the surface of the flange body is rotated by the sleeve, the torque data is measured by the torque sensor, then the torque data is transmitted to the display screen of the external industrial computer, thereby reading the torque data, the first mounting plate is rotated by the second motor, and thus the position of the fixing bolt on the side surface of the flange body can be adjusted, and thereby the torque measurement of the flange body is completed. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is an overall structural schematic view of the utility model;
[0014] Figure 2 It is a front structure schematic view of the utility model;
[0015] Figure 3 It is an adjusting assembly structure schematic view of the utility model;
[0016] Figure 4 It is a U-shaped frame overhead structure schematic view of the utility model.
[0017] In the drawing: 1, mounting box; 2, adjusting assembly; 21, first motor; 22, threaded rod; 23, U-shaped sliding block; 24, sliding rod; 3, U-shaped frame; 4, second motor; 5, first mounting plate; 6, flange body; 7, limiting assembly; 71, electric telescopic rod; 72, limiting rod; 8, fixed plate; 9, driving assembly; 91, third motor; 92, first gear; 93, second gear; 10, rotating rod; 11, torque sensor; 12, second mounting plate; 13, sleeve; 14, support frame; 15, limiting hole. PREFERRED EMBODIMENT
[0018] 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 efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.
[0019] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a flange fixed torque measuring device, including installation box 1, adjusting assembly 2 is installed in installation box 1 inside, second motor 4 is installed in U-shaped frame 3 right side face by bolt, second motor 4 is reduction motor, second motor 4 output shaft penetrates U-shaped frame 3, first mounting plate 5 is installed in second motor 4 output shaft by shaft coupling, flange body 6 is installed in first mounting plate 5 far from second motor 4 side by bolt, limiting assembly 7 is installed in U-shaped frame 3 front and back side face, fixed plate 8 is welded in installation box 1 top face left end, drive assembly 9 is installed in fixed plate 8 side face lower end, rotating rod 10 is rotatably installed in fixed plate 8 middle part by bearing, torque sensor 11 is installed in rotating rod 10 far from fixed plate 8 one end by bolt, second mounting plate 12 is installed in torque sensor 11 side face by bolt, sleeve 13 is installed in second mounting plate 12 side face middle part by bolt, hexagonal recess is formed in sleeve 13 side face, and the bolt size of fixed flange body 6 is consistent with the hexagonal recess.
[0020] Adjusting assembly 2 includes first motor 21, first motor 21 is reduction motor, first motor 21 is installed in the left end of the inner surface of installation box 1 by bolt, threaded rod 22 is installed in the output shaft of first motor 21 by shaft coupling, threaded rod 22 far from first motor 21 one end is rotatably installed in the right side wall of installation box 1 by bearing, U-shaped slider 23 one end is threadedly connected with threaded rod 22, sliding rod 24 is slidably connected with the end of U-shaped slider 23 far from threaded rod 22, and sliding rod 24 both ends are installed in the left and right side walls of installation box 1 by bolt; U-shaped frame 3 is welded in the top surface of both ends of U-shaped slider 23.
[0021] Limiting assembly 7 includes two electric telescopic rods 71, two electric telescopic rods 71 are installed in the middle part of the front and back side faces of U-shaped frame 3 by bolt, and the telescopic end of electric telescopic rod 71 penetrates U-shaped frame 3; limiting rod 72 is installed in the telescopic end of electric telescopic rod 71 by bolt.
[0022] Drive assembly 9 includes third motor 91, third motor 91 is slow-speed motor, third motor 91 is installed in the right side face lower end of fixed plate 8 by bolt, third motor 91 output shaft penetrates fixed plate 8, first gear 92 is installed in the output shaft of third motor 91 by bolt, second gear 93 is meshingly connected with first gear 92, and second gear 93 is installed in the left end of rotating rod 10 by key.
[0023] The support frame 14 is bolted at the bottom corner of the installation box 1.
[0024] A plurality of limiting holes 15 are circumferentially distributed on the side of the first installation plate 5, and the limiting holes 15 have a diameter matching the size of the limiting rod 72.
[0025] The first motor 21, the second motor 4, the electric telescopic rod 71, the third motor 91 and the torque sensor 11 are connected to an external industrial computer through wires, and the industrial computer is used to turn on and off the first motor 21, the second motor 4, the electric telescopic rod 71, the third motor 91 and the torque sensor 11. The industrial computer and the first motor 21, the second motor 4, the electric telescopic rod 71, the third motor 91 and the torque sensor 11 all belong to the prior art, and the working principle, specific structure and electrical connection relationship are not described in detail here.
[0026] Principle: In use, the flange body 6 is installed on the side of the first installation plate 5 through the fixing bolt, the first motor 21 is started, the threaded rod 22 is rotated by the first motor 21, the U-shaped block 23 is driven to move, the flange body 6 is inserted into the sleeve 13, the electric telescopic rod 71 drives the limiting rod 72 to extend, the limiting rod 72 is inserted into the limiting hole 15, thereby limiting the first installation plate 5, the third motor 91 drives the steering rod 10 to rotate through the first gear 92 and the second gear 93, the sleeve 13 drives the fixing bolt on the surface of the flange body 6 to rotate, the torque sensor 11 measures the torque data, and then transmits the torque data to the display screen of the external industrial computer, thereby reading the torque data, the first installation plate 5 is rotated by the second motor 4, thereby adjusting the position of the fixing bolt on the side of the flange body 6, thereby completing the torque measurement of the flange body 6. The utility model has the advantages of convenient use and good use effect.
[0027] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A device for measuring the tightening torque of a flange, comprising a mounting box (1), characterized in that: The mounting box (1) is internally provided with an adjusting assembly (2), the adjusting assembly (2) is connected with a U-shaped frame (3), the right side surface of the U-shaped frame (3) is fixedly connected with a second motor (4), the output shaft of the second motor (4) penetrates the U-shaped frame (3) and is fixedly connected with a first mounting plate (5), the side, away from the second motor (4), of the first mounting plate (5) is detachably connected with a flange body (6), the front and rear surfaces of the U-shaped frame (3) are provided with limiting assemblies (7), the top surface left end of the mounting box (1) is fixedly connected with a fixed plate (8), the side surface lower end of the fixed plate (8) is provided with a driving assembly (9), the middle part of the fixed plate (8) is rotatably connected with a rotating rod (10), the end, away from the fixed plate (8), of the rotating rod (10) is fixedly connected with a torque sensor (11), the side surface of the torque sensor (11) is fixedly connected with a second mounting plate (12), and the side surface middle part of the second mounting plate (12) is detachably connected with a sleeve (13).
2. The device for measuring the tightening torque of a flange according to claim 1, characterized in that: The adjusting assembly (2) comprises a first motor (21), the first motor (21) is fixedly connected to the left end of the inner surface of the mounting box (1), the output shaft of the first motor (21) is fixedly connected with a threaded rod (22), the threaded rod (22) is rotatably connected to the right side wall of the mounting box (1) at the end, away from the first motor (21), the threaded rod (22) is threadedly connected with a U-shaped sliding block (23), the end, away from the threaded rod (22), of the U-shaped sliding block (23) is slidably connected with a sliding rod (24), and the sliding rod (24) is fixedly connected to the left and right side walls of the mounting box (1); the U-shaped frame (3) is fixedly connected to the top surface of both ends of the U-shaped sliding block (23).
3. The device for measuring the tightening torque of a flange according to claim 1, characterized in that: The limiting assembly (7) comprises two electric telescopic rods (71), the electric telescopic rods (71) are fixedly connected to the middle parts of the front and rear surfaces of the U-shaped frame (3), and the telescopic ends of the electric telescopic rods (71) penetrate the U-shaped frame (3) and are fixedly connected with limiting rods (72).
4. The device for measuring the tightening torque of a flange according to claim 1, characterized in that: The driving assembly (9) comprises a third motor (91), the third motor (91) is fixedly connected to the lower end of the right side surface of the fixed plate (8), the output shaft of the third motor (91) penetrates the fixed plate (8) and is fixedly connected with a first gear (92), the first gear (92) is meshedly connected with a second gear (93), and the second gear (93) is fixedly connected to the left end of the rotating rod (10).
5. The device for measuring the tightening torque of a flange according to claim 1, characterized in that: The mounting box (1) is fixedly connected with a support frame (14) at the corner of the bottom surface.
6. The device for measuring the tightening torque of a flange according to claim 1, characterized in that: A plurality of limiting holes (15) are circumferentially arranged on the side surface of the first mounting plate (5).