A tool for measuring the deflection of an external groove
By designing an external channel deflection tool that uses adjustable connecting components, the problem of T-bolt stuck in the prior art caused by channel deformation is solved, flexible connection and adaptability are achieved, and deflection detection is ensured smoothly.
Patent Information
- Application Number
- CN202421358609.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-14
AI Technical Summary
After deflection detection, the existing external T-shaped channel is prone to cause the T-bolt to be stuck inside the channel due to channel deformation, making it difficult to remove, affecting subsequent inspection work.
A tool for measuring the deflection of the external channel is designed, and the first connecting assembly and the second connecting assembly are used to replace the traditional T-bolt connection method. The channel body and the tensioning machine are connected through an adjustable structure to avoid the jamming problem caused by channel deformation.
When the channel deformation is severe, this tool can flexibly adjust the connection relationship to avoid blocking, ensure the smooth progress of subsequent deflection detection, and can adapt to different types of tension machines and expand the application range.
Smart Images
Figure CN222703984U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of testing tooling, in particular to a tooling for measuring the deflection of an external groove. Background Art
[0002] Deflection is the linear displacement of the axis of a rod in a direction perpendicular to the axis or the linear displacement of the mid-surface of a plate or shell in a direction perpendicular to the mid-surface when subjected to force or non-uniform temperature changes.
[0003] When conducting deflection testing on an existing external T-slot, a T-bolt is inserted into the slot, and then the bolt is connected to a tensile testing machine using threads on the bolt. The tensile testing machine applies an upward tensile force to the slot. As the deflection test is completed, the slide groove inside the T-slot is squeezed and deformed. Because the structural shape of the T-bolt itself cannot be changed, when the slot is severely deformed, the bolt will be stuck in the slot and will be difficult to remove, making subsequent testing difficult. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a tool for measuring the deflection of an external groove, which solves the problems mentioned in the above background.
[0005] The utility model provides the following technical solutions: a tool for measuring the deflection of an external groove, comprising: a base plate, a connecting head for connecting to a base of a tensile machine workbench is fixedly installed on the lower surface of the base plate, a groove body and fastening bolts are respectively arranged on the base plate, and the base plate and the groove body are connected by fastening bolts; a first connecting component, the first connecting component is arranged on the base plate, and the first connecting component can adjust its own state according to actual use conditions; a second connecting component, the second connecting component is arranged on the first connecting component, and the second connecting component can also adjust its own state according to actual use conditions.
[0006] Preferably, the first connecting assembly includes a fixed seat, a connecting shaft, a circular seat, an auxiliary ring, a fixed rod, a central shaft, a connecting rod, an insert, an auxiliary spring and a slider. The fixed seat is fixedly installed on the upper surface of the base plate, the connecting shaft is arranged on the fixed seat, the circular seat is movably arranged on the fixed seat through the connecting shaft, the auxiliary ring is fixedly installed on the end surface of the fixed rod passing through the circular seat, the fixed rod is fixedly arranged on the central shaft, the central shaft is rotatably arranged inside the circular seat, and the two ends of the connecting rod are movably connected to the insert and the central shaft respectively.
[0007] Preferably, the plug block and the slider fixedly connected to the plug block are both slidably set on the circular seat, the two ends of the auxiliary spring are respectively fixedly connected to the slider and the circular seat, and there are two plug blocks in total, which are symmetrically set on both sides of the central axis.
[0008] Preferably, the second connecting assembly includes a square seat, a connecting bolt, a sliding seat, a screw, a first bevel gear, a second bevel gear and a rotating rod, the square seat is fixedly mounted on the upper end face of the fixed seat, the connecting bolt is fixedly mounted on the sliding seat, the sliding seat is slidably mounted on the square seat, the screw is rotatably mounted inside the square seat and is threadedly connected to the sliding seat, the first bevel gear is fixedly mounted on the lower end face of the screw, the second bevel gear is fixedly mounted on the end face of the rotating rod and meshes with the first bevel gear, and the rotating rod is rotatably mounted on the square seat.
[0009] Preferably, the axis centerline of the central axis coincides with the axis centerline of the circular seat, and the central axis does not contact the side wall of the inner cavity of the circular seat.
[0010] Preferably, there are two fixing rods in total, and both fixing rods are movably connected to the circular seat.
[0011] Preferably, a cavity for accommodating a screw rod is provided inside the connecting bolt, and the connecting bolt is also threadedly connected to the output end of the tensile machine.
[0012] Preferably, a knob is provided at the end of the rotating rod passing through the square seat, and the knob is provided with anti-slip grooves.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. The tooling for measuring the deflection of the external groove replaces the traditional T-bolt connection method by setting a first connecting component and a second connecting component to connect the groove body and the tensile testing machine. The first connecting component can change the connection relationship with the groove body through the internal structure, so as to avoid the plug-in block being stuck inside the groove body after the groove body is severely deformed, so as to facilitate the subsequent deflection detection. The overall structure has a basic limiting function and a certain flexibility, so as to flexibly respond to emergencies during actual detection.
[0015] 2. The tooling for measuring the deflection of the external groove can utilize the components contained in the second connecting assembly to adjust the portion of the connecting bolt extending out of the square seat, so that the entire tooling structure can meet the use of different types of tensile testing machines, expand the application range of the entire device, and improve the overall practicality. In addition, the entire second connecting assembly is composed of common mechanical parts, and the overall structure is simple and the performance is reliable. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a schematic cross-sectional view of the circular seat structure of the utility model;
[0018] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;
[0019] Figure 4 It is a schematic cross-sectional view of the structure of the square seat of the utility model;
[0020] Figure 5 It is a schematic cross-sectional view of the connecting bolt structure of the utility model.
[0021] In the figure: 1, bottom plate; 2, channel body; 3, fastening bolt; 4, connecting head; 5, first connecting component; 51, fixed seat; 52, connecting shaft; 53, circular seat; 54, auxiliary ring; 55, fixing rod; 56, central axis; 57, connecting rod; 58, plug block; 59, auxiliary spring; 510, slider; 6, second connecting component; 61, square seat; 62, connecting bolt; 63, slide seat; 64, screw; 65, first bevel gear; 66, second bevel gear; 67, rotating rod. DETAILED DESCRIPTION
[0022] 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.
[0023] See also Figure 1-5 A tool for measuring the deflection of an external groove comprises: a base plate 1, a connector 4 for connecting to a base of a tensile machine workbench is fixedly mounted on the lower surface of the base plate 1, a groove body 2 and fastening bolts 3 are respectively arranged on the base plate 1, and the base plate 1 is connected to the groove body 2 by the fastening bolts 3.
[0024] The first connecting component 5 is arranged on the bottom plate 1, and the first connecting component 5 can adjust its own state according to the actual use situation; the first connecting component 5 includes a fixed seat 51, a connecting shaft 52, a circular seat 53, an auxiliary ring 54, a fixed rod 55, a central shaft 56, a connecting rod 57, an insert 58, an auxiliary spring 59 and a slider 510, the fixed seat 51 is fixedly installed on the upper surface of the bottom plate 1, the connecting shaft 52 is arranged on the fixed seat 51, the circular seat 53 is movably arranged on the fixed seat 51 through the connecting shaft 52, the auxiliary ring 54 is fixedly installed on the end surface of the fixed rod 55 passing through the circular seat 53, the fixed rod 55 is fixedly arranged on the central shaft 56, and the central shaft 56 is rotatably arranged Inside the circular seat 53, the two ends of the connecting rod 57 are movably connected to the plug block 58 and the central axis 56 respectively. The plug block 58 and the slider 510 fixedly connected to the plug block 58 are both slidably set on the circular seat 53. The two ends of the auxiliary spring 59 are respectively fixedly connected to the slider 510 and the circular seat 53. There are two plug blocks 58, which are symmetrically arranged on both sides of the central axis 56. The axis line of the central axis 56 coincides with the axis line of the circular seat 53, and the central axis 56 does not contact the side wall of the inner cavity of the circular seat 53. There are two fixing rods 55, which are both movably connected to the circular seat 53, thereby improving the rationality of the overall design and preventing the various structures from interfering with each other during operation.
[0025] The second connecting component 6 is arranged on the first connecting component 5, and the second connecting component 6 can also adjust its own state according to the actual use situation. The second connecting component 6 includes a square seat 61, a connecting bolt 62, a slide seat 63, a screw rod 64, a first bevel gear 65, a second bevel gear 66 and a rotating rod 67. The square seat 61 is fixedly installed on the upper end surface of the fixed seat 51, the connecting bolt 62 is fixedly arranged on the slide seat 63, the slide seat 63 is slidably arranged on the square seat 61, and the screw rod 64 is rotatably arranged inside the square seat 61 It is threadedly connected to the slide seat 63, the first bevel gear 65 is fixedly mounted on the lower end surface of the screw rod 64, the second bevel gear 66 is fixedly mounted on the end surface of the rotary rod 67 and meshes with the first bevel gear 65, the rotary rod 67 is rotatably set on the square seat 61, and a cavity for accommodating the screw rod 64 is opened inside the connecting bolt 62, and the connecting bolt 62 is also threadedly connected to the output end of the tensile machine, and a knob is provided at the end of the rotary rod 67 that passes through the square seat 61, and the knob is provided with anti-slip grooves to facilitate the user's actual operation and improve the use efficiency of the overall device.
[0026] Working principle: the connecting head 4 is fixed on the bottom surface of the base plate 1 by welding, and then connected to the workbench base of the tensile machine through the connecting head 4, and then the groove body 2 is fixed on the base plate 1 with the fastening bolts 3, and the groove body 2 is connected to the output end of the tensile machine by using the first connecting component 5 and the second connecting component 6. The tensile machine is started for deflection detection, and the gap between the bottom surface of the groove body 2 and the upper surface of the base plate 1 is measured with a feeler gauge. The gap value is the deflection value.
[0027] The fixed seat 51 is fixed on the bottom plate 1, and the circular seat 53 is rotatable on the fixed seat 51 through the connecting shaft 52. The auxiliary ring 54 is fixedly connected with the central axis 56 of the rotation amount inside the circular seat 53 by the fixing rod 55. The central axis 56 and the plug block 58 are also movably connected by a connecting rod 57. The plug block 58 and the slider 510 fixed on the plug block 58 slide on the circular seat 53. However, part of the plug block 58 will penetrate the side wall of the circular seat 53 and be plugged into the channel body 2. The auxiliary spring 59 connects the slider 510 with the circular seat. 53 is further connected, and after the plug block 58 contacts the channel body 2, the deflection detection of the channel body 2 can be carried out. The auxiliary ring 54 is rotated, and the central shaft 56 rotates synchronously. Under the connection of the connecting rod 57, the plug block 58 is pulled to slide toward the inside of the circular seat 53. At this time, the connecting shaft 52 can be used to rotate the circular seat 53, so that the circular seat 53 is separated from the channel body 2, so as to avoid excessive deformation of the channel body 2 after the deflection detection, which may cause the circular seat 53 to be stuck. After loosening the auxiliary ring 54, under the action of the auxiliary spring 59, it is restored to the state as shown in the figure. Figure 2 In the initial state, the insert block 58 contacts the channel body 2 whose deflection needs to be detected again.
[0028] The square seat 61 is fixed on the fixed seat 51, and the connecting bolt 62 is set on the square seat 61. When performing deflection detection, the connecting bolt 62 can be used to connect the entire structure to the output end of the tensile machine. The connecting bolt 62 slides inside the square seat 61 using the slide seat 63 fixedly connected thereto, and the rotating screw 64 is threadedly connected to the slide seat 63 inside the square seat 61. The first bevel gear 65 fixed at the end of the screw rod 64 is meshed with the second bevel gear 66 fixed at the end of the rotating rod 67, and the rotating rod 67 rotates on the square seat 61. Therefore, after rotating the rotating rod 67, the screw rod 64 rotates synchronously under the transmission of the second bevel gear 66 and the first bevel gear 65. At this time, the specific position of the connecting bolt 62 can be adjusted to meet the use of tensile machines of different models.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A tool for measuring the deflection of an external groove, characterized in that: include: A bottom plate (1), a connector (4) for connecting to a base of a tensile machine workbench being fixedly mounted on the bottom surface of the bottom plate (1), a channel body (2) and fastening bolts (3) being respectively arranged on the bottom plate (1), and the bottom plate (1) and the channel body (2) being connected via the fastening bolts (3); A first connection component (5), the first connection component (5) being arranged on the bottom plate (1), and the first connection component (5) being capable of adjusting its own state according to actual use conditions; A second connection component (6), wherein the second connection component (6) is arranged on the first connection component (5), and the second connection component (6) can also adjust its own state according to actual usage conditions.
2. A tool for measuring the deflection of an external groove according to claim 1, characterized in that: The first connecting assembly (5) comprises a fixed seat (51), a connecting shaft (52), a circular seat (53), an auxiliary ring (54), a fixed rod (55), a central shaft (56), a connecting rod (57), an insert (58), an auxiliary spring (59) and a sliding block (510). The fixed seat (51) is fixedly mounted on the upper surface of the bottom plate (1); the connecting shaft (52) is arranged on the fixed seat (51); the circular seat (53) is movably arranged on the fixed seat (51) through the connecting shaft (52); the auxiliary ring (54) is fixedly mounted on the end surface of the fixed rod (55) passing through the circular seat (53); the fixed rod (55) is fixedly arranged on the central shaft (56); the central shaft (56) is rotatably arranged inside the circular seat (53); and the two ends of the connecting rod (57) are movably connected to the insert (58) and the central shaft (56) respectively.
3. A tool for measuring the deflection of an external groove according to claim 2, characterized in that: The insert block (58) and the slider (510) fixedly connected to the insert block (58) are both slidably disposed on the circular seat (53); the two ends of the auxiliary spring (59) are respectively fixedly connected to the slider (510) and the circular seat (53); a total of two insert blocks (58) are provided, and the two insert blocks (58) are symmetrically disposed on both sides of the central axis (56).
4. A tool for measuring the deflection of an external groove according to claim 3, characterized in that: The second connecting assembly (6) comprises a square seat (61), a connecting bolt (62), a slide seat (63), a screw rod (64), a first bevel gear (65), a second bevel gear (66) and a rotating rod (67); the square seat (61) is fixedly mounted on the upper end surface of the fixed seat (51); the connecting bolt (62) is fixedly arranged on the slide seat (63); the slide seat (63) is slidably arranged on the square seat (61); the screw rod (64) is rotatably arranged inside the square seat (61) and is threadedly connected to the slide seat (63); the first bevel gear (65) is fixedly mounted on the lower end surface of the screw rod (64); the second bevel gear (66) is fixedly mounted on the end surface of the rotating rod (67) and meshes with the first bevel gear (65); and the rotating rod (67) is rotatably arranged on the square seat (61).
5. A tool for measuring the deflection of an external groove according to claim 3, characterized in that: The axis centerline of the central axis (56) coincides with the axis centerline of the circular seat (53), and the central axis (56) does not contact the side wall of the inner cavity of the circular seat (53).
6. A tool for measuring the deflection of an external groove according to claim 3, characterized in that: Two fixing rods (55) are provided in total, and both fixing rods (55) are movably connected to the circular seat (53).
7. A tool for measuring the deflection of an external groove according to claim 4, characterized in that: The connecting bolt (62) has a cavity inside for accommodating the screw rod (64), and the connecting bolt (62) is also threadedly connected to the output end of the tensile machine.
8. A tool for measuring the deflection of an external groove according to claim 4, characterized in that: The end of the rotating rod (67) passing through the square seat (61) is provided with a knob, and the knob is provided with anti-slip grooves.