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CN-122016498-A - Force measuring device and force measuring method

CN122016498ACN 122016498 ACN122016498 ACN 122016498ACN-122016498-A

Abstract

The invention relates to the technical field of safety detection, in particular to a force measuring device and a force measuring method. The force measuring device comprises a base, a fixing assembly, a transmission assembly, a pressure sensor and a driver, wherein the base is used for being embedded into a groove of a bearing column of a portal frame, the fixing assembly is used for being connected with a movable column of the portal frame, the transmission assembly is connected with the fixing assembly, the pressure sensor is located between the transmission assembly and the fixing assembly, one end of the pressure sensor is connected with the fixing assembly, the other end of the pressure sensor is abutted with the transmission assembly, and the output end of the driver acts on the fixing assembly to drive the fixing assembly, the transmission assembly and the pressure sensor to be close to or far away from the base, so that the transmission assembly is abutted with the base. The force measuring device can improve the accuracy of detection.

Inventors

  • XIE HAO
  • LIU YA
  • ZOU QUAN
  • SHI XIAOGE
  • WANG CHAO
  • YAO SHENG
  • WAN GUANGJIAN
  • Feng Yinwu

Assignees

  • 武汉重工铸锻有限责任公司

Dates

Publication Date
20260512
Application Date
20260409

Claims (10)

  1. 1. A force measuring device, comprising: The base (110) is used for being embedded in a groove of a bearing column (220) of the portal frame; a fixed assembly (120), the fixed assembly (120) being adapted to be connected to a movable column (210) of the gantry; A transmission assembly (130), the transmission assembly (130) being connected with the fixed assembly (120); A pressure sensor (140), wherein the pressure sensor (140) is positioned between the transmission assembly (130) and the fixed assembly (120), one end of the pressure sensor (140) is connected with the fixed assembly (120), the other end is abutted with the transmission assembly (130), and The output end of the driver acts on the fixed assembly (120) to drive the fixed assembly (120), the transmission assembly (130) and the pressure sensor (140) to be close to or far away from the base (110), so that the transmission assembly (130) is abutted with the base (110).
  2. 2. Force measuring device according to claim 1, characterized in that the transmission assembly (130) comprises a sleeve (131), a thrust knuckle bearing (132) and a bearing ram (133), both the thrust knuckle bearing (132) and the bearing ram (133) being housed within the sleeve (131); The thrust knuckle bearing (132) is connected with the inner wall of the sleeve (131), one end of the bearing pressing head (133) is abutted with the thrust knuckle bearing (132), and the other end is abutted with the pressure sensor (140).
  3. 3. Force measuring device according to claim 2, characterized in that the fixed assembly (120) comprises a connecting plate (121) and a bolt (122), the stud of the bolt (122) being connected to the connecting plate (121), the nut of the bolt (122) being intended to abut against the arched bottom of the movable column (210), the connecting plate (121) being intended to be connected to the column bottom of the movable column (210).
  4. 4. A force measuring device according to claim 3, wherein the fixing assembly (120) further comprises a cylinder (123), one end of the cylinder (123) is connected to the connecting plate (121), the other end of the cylinder extends into the sleeve (131), the outer wall of the cylinder (123) is connected with the inner wall of the sleeve (131), one part of the pressure sensor (140) is accommodated in the cylinder (123), and the other part extends out of the cylinder (123) and is accommodated in the sleeve (131).
  5. 5. Force measuring device according to claim 4, characterized in that the side wall of the sleeve (131) is provided with a first elongated hole and a second elongated hole; The force measuring device (100) further comprises a first connecting piece (150) and a second connecting piece (160), wherein the first connecting piece (150) penetrates through the first long strip hole to be connected with the cylinder body (123), and the second connecting piece (160) penetrates through the second long strip hole to be connected with the thrust joint bearing (132).
  6. 6. Force measuring device according to claim 4, characterized in that the connection plate (121) is provided with a plurality of threaded holes (1211), the plurality of threaded holes (1211) being arranged circumferentially around the axis of the cylinder (123), the force measuring device (100) further comprising a cylindrical head screw, which is connected to the pressure sensor (140) and is in threaded connection with the plurality of threaded holes (1211).
  7. 7. A force measuring device according to claim 3, characterized in that the fixed assembly (120) further comprises a screw (124), a nut (125) and an elastic washer (126), one end of the screw (124) is connected with the connecting plate (121), the other end is used for penetrating a movable column (210) of the portal frame and is in threaded connection with the nut (125), and the elastic washer (126) is arranged between the nut (125) and the movable column (210).
  8. 8. The force measuring device according to claim 1, wherein the base (110) comprises a main body (111) and a force bearing plate (112), the main body (111) is connected to the middle part of the force bearing plate (112), the main body (111) is used for being abutted with the transmission assembly (130), and hanging rings are arranged at two ends of the force bearing plate (112).
  9. 9. The force measuring device according to claim 8, wherein the base (110) further comprises two first webs (113) and two second webs (114), the two first webs (113) and the two second webs (114) being connected to a side of the force-bearing plate (112) facing away from the main body (111), the two first webs (113) being arranged at intervals along a first direction, the two second webs (114) being arranged at intervals along a second direction; Wherein the first direction and the second direction are perpendicular to each other.
  10. 10. A force measuring method, characterized in that a test is performed with a force measuring device (100) according to any one of claims 1-9, the force measuring method comprising: Embedding the base (110) into a groove of a carrying column (220) of a portal frame; mounting the fixed assembly (120) to the bottom of a movable column (210) of the gantry; -mounting a transmission assembly (130) to the stationary assembly (120); Starting a driver to drive the transmission assembly (130) to move towards the base (110) until the transmission assembly (130) is abutted with the base (110); Continuing to apply pressure until the force value detected by the pressure sensor (140) is greater than a preset threshold; The transmission assembly (130) is controlled to be separated from the base (110) and reset.

Description

Force measuring device and force measuring method Technical Field The invention relates to the technical field of safety detection, in particular to a force measuring device and a force measuring method. Background In the fields of engineering structure test, industrial product quality control, scientific research test and the like, the portal frame has become core basic equipment for detecting mechanical properties of various components, materials and special parts by virtue of stable bearing performance, and is widely applied to a plurality of scenes such as rubber spring test, force measuring wheel set calibration, engine thrust detection and the like. The traditional portal frame loading force measuring mode is mainly dependent on manual operation or a simple mechanical loading device, and the detection accuracy is low. Disclosure of Invention The invention aims to provide a force measuring device and a force measuring method, which can improve the detection accuracy. Embodiments of the invention may be implemented as follows: In a first aspect, the present invention provides a force measuring device comprising: the base is used for being embedded in the groove of the bearing column of the portal frame; the fixed component is used for being connected with the movable column of the portal frame; The transmission assembly is connected with the fixed assembly; A pressure sensor arranged between the transmission component and the fixed component, one end of the pressure sensor is connected with the fixed component, the other end is abutted with the transmission component, and The output end of the driver acts on the fixed component to drive the fixed component, the transmission component and the pressure sensor to be close to or far away from the base, so that the transmission component is abutted with the base. In an alternative embodiment, the transmission assembly comprises a sleeve, a thrust knuckle bearing and a bearing ram, both of which are housed within the sleeve; the thrust joint bearing is connected with the inner wall of the sleeve, one end of the bearing pressure head is abutted with the thrust joint bearing, and the other end is abutted with the pressure sensor. In an alternative embodiment, the fixed assembly comprises a connecting plate and a bolt, wherein a stud of the bolt is connected with the connecting plate, a nut of the bolt is used for abutting against the arched bottom of the movable column, and the connecting plate is used for being connected with the column bottom of the movable column. In an alternative embodiment, the fixing assembly further comprises a cylinder body, one end of the cylinder body is connected to the connecting plate, the other end of the cylinder body extends into the sleeve, the outer wall of the cylinder body is connected with the inner wall of the sleeve, one part of the pressure sensor is contained in the cylinder body, the other part of the pressure sensor extends out of the cylinder body and is contained in the sleeve. In an alternative embodiment, the side wall of the sleeve is provided with a first elongated hole and a second elongated hole; the force measuring device further comprises a first connecting piece and a second connecting piece, wherein the first connecting piece penetrates through the first long strip hole to be connected with the cylinder body, and the second connecting piece penetrates through the second long strip hole to be connected with the thrust joint bearing. In an alternative embodiment, the connection plate is provided with a plurality of threaded holes arranged circumferentially around the axis of the cylinder, and the force measuring device further comprises a cylindrical head screw connected to the pressure sensor and in threaded connection with the plurality of threaded holes. In an alternative embodiment, the fixing assembly further comprises a screw rod, a nut and an elastic washer, one end of the screw rod is connected with the connecting plate, the other end of the screw rod is used for penetrating the movable column of the portal frame and is in threaded connection with the nut, and the elastic washer is arranged between the nut and the movable column. In an alternative embodiment, the base comprises a main body and a bearing plate, wherein the main body is connected to the middle part of the bearing plate and is used for being abutted with the transmission assembly, and hanging rings are arranged at two ends of the bearing plate. In an alternative embodiment, the base further comprises two first rib plates and two second rib plates, wherein the two first rib plates and the two second rib plates are connected to one side of the bearing plate, which is away from the main body, of the bearing plate; Wherein the first direction and the second direction are perpendicular to each other. In a second aspect, the present invention provides a force measuring method, which uses the force measuring device to perform a test, and the