CN213022083U - Tensile test device for automobile fastener - Google Patents
Tensile test device for automobile fastener Download PDFInfo
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- CN213022083U CN213022083U CN202022330438.XU CN202022330438U CN213022083U CN 213022083 U CN213022083 U CN 213022083U CN 202022330438 U CN202022330438 U CN 202022330438U CN 213022083 U CN213022083 U CN 213022083U
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- support frame
- bolt
- locking mechanism
- cylinder
- fixing
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Abstract
The utility model provides an automobile fastener tensile test device, include: support frame, mount, cylinder, damping spring, go up locking mechanical system, lower locking mechanical system, limiting plate and anticollision piece, the cylinder is installed respectively on support frame upper surface left side, right side, the connecting rod is installed to the cylinder upper end, surface mounting has tensile pole under the connecting rod, department in the middle of the support frame upper surface is installed to tensile pole lower extreme, the inside right side welding of support frame has support frame one, the inside left side welding of support frame has support frame two, compares with prior art, the utility model discloses following beneficial effect has: through setting up locking mechanism for the bolt is convenient for install and take out around the test, avoids being difficult to the difficult problem of taking out after the bolt fracture, and locking mechanism's design down makes the bolt lower extreme can be by stable fixed when the tensile test, prevents the bolt slippage, causes accident, and the latch segment of activity simultaneously is convenient for take out cracked bolt lower extreme.
Description
Technical Field
The utility model belongs to fastener tensile test equipment field, in particular to car fastener tensile test device.
Background
At present, with the continuous development of miniaturization, high speed and heavy load of machinery, bolts are used as key components in automobile parts and are continuously developed towards the direction of small size and high strength, but frequent breakage also follows, how to accurately and quickly determine the mechanical property and breakage failure reasons of the bolts, especially the high-strength bolts above the 12.9 level, is particularly important for prolonging the service life and reliability of mechanical assembly parts, and when the fracture of the bolts is analyzed, how to obtain clean and deformation-free fractures is the most basic and important link in the fracture failure analysis process of the bolts.
However, the national standard GB/T3098.1-2000 "bolt, screw and stud for fastener mechanical properties" does not specify a special clamp for bolt tension test, so in the actual bolt tension test process, one end of the bolt with a thread is usually screwed on the clamp by itself, which makes the bolt difficult to take out from the clamp when the tension is large and the thread is deformed and flattened, which affects the test operation, so we propose a fastener tension test device.
Therefore, an automobile fastener tension test device is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an automobile fastener tensile test device to solve the problem that proposes in the above-mentioned background art.
The technical scheme of the utility model is realized like this: an automotive fastener pull test apparatus comprising: the anti-collision device comprises a support frame, a fixing frame, a cylinder, a damping spring, an upper locking mechanism, a lower locking mechanism, a limiting plate and an anti-collision block, wherein the cylinder is respectively installed on the left side and the right side of the upper surface of the support frame, a connecting rod is installed at the upper end of the cylinder, a stretching rod is installed on the lower surface of the connecting rod, the lower end of the stretching rod is installed in the middle of the upper surface of the support frame, a first support frame is welded on the right side inside the support frame, a second support frame is welded on the left side inside the support frame, a connecting block is welded on the lower end of the stretching rod, the damping spring is installed on the upper surface of the connecting block, movable bolts are installed on the left side and the right side of the lower end of the connecting, the lower end of the interior of the upper locking mechanism is provided with a bolt, the upper end of the bolt is arranged at the lower end of a first mounting groove, the lower end of the bolt is arranged at the upper end of the lower locking mechanism, a first fixing sleeve is arranged on the surface of a first support frame, a second fixing sleeve is arranged on the surface of a second support frame, adjusting knobs are arranged on the front surfaces of the first fixing sleeve and the second fixing sleeve, the fixing frame is arranged between the first support frame and the second support frame through the first fixing sleeve and the second fixing sleeve, a fixing seat is arranged in the middle of the upper surface of the fixing frame, the upper surface of the fixing seat is provided with a second mounting groove, the lower locking mechanism is arranged in the fixing seat through a movable bolt and the second mounting groove, the lower end of the lower locking mechanism is provided with a limiting plate, the, the locking groove is formed in the upper surface of the fixed cylinder, the locking block is welded at the tail end of the locking bolt, and the anti-collision block is welded on the upper surface of the bottom of the support frame.
In a preferred embodiment, two cylinders are provided and are respectively installed on the left side and the right side of the stretching rod, and the cylinders are connected with the stretching rod through connecting rods.
In a preferred embodiment, two damping springs are provided, and the damping spring is a compression spring.
In a preferred embodiment, the upper locking mechanism is a stainless steel cylinder, a first mounting groove and a first clamping groove are formed in the upper locking mechanism, the first clamping groove is communicated with the inside of the first mounting groove, the clamping groove is located below the first mounting groove, and the diameter of the clamping groove is smaller than that of the first mounting groove.
As a preferred embodiment, two circular blind holes are symmetrically formed at the lower end of the fixed cylinder.
In a preferred embodiment, the crash block is composed of a metal cylinder and a rubber block.
After the technical scheme is adopted, the beneficial effects of the utility model are that: through setting up locking mechanism for the bolt is convenient for install and take out around the test, avoids being difficult to the difficult problem of taking out after the bolt fracture, and locking mechanism's design down makes the bolt lower extreme can be by stable fixed when the tensile test, prevents the bolt slippage, causes accident, and the latch segment of activity simultaneously is convenient for take out cracked bolt lower extreme.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is the utility model relates to an automobile fastener tensile test device's overall structure schematic diagram.
Fig. 2 is the utility model relates to a schematic diagram of a section of car fastener tensile test device.
Fig. 3 is the utility model relates to a schematic diagram that latch segment and solid fixed cylinder of car fastener tensile test device are connected.
In the figure, 1-connecting rod, 2-stretching rod, 3-cylinder, 4-supporting frame, 5-supporting rod I, 6-fixed sleeve I, 7-adjusting knob, 8-anti-collision block, 9-limiting plate, 10-fixing seat, 11-fixed sleeve I, 12-fixing frame, 13-lower locking mechanism, 14-bolt, 15-upper locking mechanism, 16-movable bolt, 17-connecting block, 18-damping spring, 19-mounting groove I, 20-clamping groove, 21-mounting groove II, 22-locking bolt, 23-locking block, 24-fixing cylinder and 25-locking groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: an automotive fastener pull test apparatus comprising: the device comprises a support frame 4, a fixed frame 12, a cylinder 3, a damping spring 18, an upper locking mechanism 15, a lower locking mechanism 13, a limiting plate 9 and an anti-collision block 8, wherein the cylinder 3 is respectively installed on the left side and the right side of the upper surface of the support frame 4, a connecting rod 1 is installed at the upper end of the cylinder 3, a stretching rod 2 is installed on the lower surface of the connecting rod 1, the lower end of the stretching rod 2 is installed in the middle of the upper surface of the support frame 4, a first support frame 4 is welded on the right side inside the support frame 4, a second support frame 4 is welded on the left side inside the support frame 4, a connecting block 17 is welded on the lower end of the stretching rod 2, the damping spring 18 is installed on the upper surface of the connecting block 17, the upper end of the damping spring 18 is installed on the lower, the clamping groove 20 is positioned below the first mounting groove 19, the lower end inside the upper locking mechanism 15 is provided with a bolt 14, the upper end of the bolt 14 is arranged at the lower end of the first mounting groove 19, the lower end of the bolt 14 is arranged at the upper end of the lower locking mechanism 13, the first fixing sleeve 6 is arranged on one surface of the support frame 4, the second fixing sleeve 11 is arranged on the second surface of the support frame 4, the adjusting knob 7 is arranged on the front surfaces of the first fixing sleeve 6 and the second fixing sleeve 11, the fixing frame 12 is arranged between the first support frame 4 and the second support frame 4 through the first fixing sleeve 6 and the second fixing sleeve 11, the fixing seat 10 is arranged in the middle of the upper surface of the fixing frame 12, the second mounting groove 21 is arranged on the upper surface of the fixing seat 10, the lower locking mechanism 13 is arranged inside the fixing seat 10 through a movable bolt 16 and the second mounting groove 21, the lower locking mechanism, locking bolt 22 is installed on the surface of the upper end of fixed cylinder 24, and locking groove 25 has been seted up to fixed cylinder 24 upper surface, and locking bolt 22 end welding has latch segment 23, and support frame 4 bottom upper surface welding has anticollision piece 8.
The cylinders 3 are arranged on the left side and the right side of the stretching rod 2 respectively, and the cylinders 3 are connected with the stretching rod 2 through the connecting rod 1 and used for providing the tensile force required by the test.
The damping springs 18 are provided in two, and the damping springs 18 are compression springs for damping a shock force generated when the bolts 14 are broken.
Go up locking mechanical system 15 and be a stainless steel cylinder, go up inside mounting groove 19, the draw-in groove 20 of having seted up of locking mechanical system 15, draw-in groove 20 and the inside intercommunication of mounting groove 19, draw-in groove 20 is located mounting groove 19 below, and the diameter of draw-in groove 20 is less than the diameter of mounting groove 19 for fixing bolt 14 upper end.
Two round blind holes are symmetrically formed in the lower end of the fixing cylinder 24 and used for fixing the lower end of the bolt 14.
The anti-collision block 8 is composed of a metal cylinder and a rubber block and is used for preventing the lower locking mechanism 13 from falling and being damaged.
As an embodiment of the present invention: during actual use, firstly, the bolt 14 is installed at the lower end of the upper locking mechanism 15 through the first installation groove 19, at the moment, the hexagon head of the bolt 14 is arranged at the lower end of the first installation groove 19, the lower end of the bolt 14 penetrates through the upper locking mechanism 15 through the clamping groove 20, then the height of the fixed frame 12 is adjusted according to actual conditions, then, the lower end of the bolt 14 is installed in the locking groove 25 at the upper end of the fixed cylinder 24 of the lower locking mechanism 13, the locking block 23 is pressed to the lower end of the bolt 14 through the locking bolt 22, the lower end of the bolt 14 is fixed, and then, the air cylinder.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An automotive fastener pull test apparatus comprising: support frame, mount, cylinder, damping spring, go up locking mechanical system, lower locking mechanical system, limiting plate and anticollision piece, its characterized in that: the left side and the right side of the upper surface of the support frame are respectively provided with an air cylinder, the upper end of the air cylinder is provided with a connecting rod, the lower surface of the connecting rod is provided with a stretching rod, the lower end of the stretching rod is arranged in the middle of the upper surface of the support frame, the right side inside the support frame is welded with a first support frame, the left side inside the support frame is welded with a second support frame, the lower end of the stretching rod is welded with a connecting block, the upper surface of the connecting block is provided with a damping spring, the upper end of the damping spring is arranged on the lower surface of the top of the support frame, the left side and the right side of the lower end of the connecting block are both provided with movable bolts, the lower end of the connecting block is movably, the lower end of the bolt is arranged at the upper end of the lower locking mechanism, a first fixing sleeve is arranged on the surface of the first support frame, a second fixing sleeve is arranged on the surface of the second support frame, adjusting knobs are arranged on the front surfaces of the first fixing sleeve and the second fixing sleeve, the fixing frame is arranged between the first support frame and the second support frame through the first fixing sleeve and the second fixing sleeve, a fixing seat is arranged in the middle of the upper surface of the fixing frame, a second mounting groove is formed in the upper surface of the fixing seat, the lower locking mechanism is arranged in the fixing seat through a movable bolt and the second mounting groove, a limiting plate is arranged at the lower end of the lower locking mechanism, the lower locking mechanism is composed of a locking bolt, a locking block, a fixing barrel and a limiting plate, the locking bolt is arranged on the upper end of the fixing barrel, and an anti-collision block is welded on the upper surface of the bottom of the support frame.
2. The automotive fastener tensile testing apparatus of claim 1, wherein: the two cylinders are respectively arranged on the left side and the right side of the stretching rod and are connected with the stretching rod through connecting rods.
3. The automotive fastener tensile testing apparatus of claim 1, wherein: the damping spring is provided with two, and the damping spring is a pressure spring.
4. The automotive fastener tensile testing apparatus of claim 1, wherein: the upper locking mechanism is a stainless steel cylinder, a first mounting groove and a first clamping groove are formed in the upper locking mechanism, the first clamping groove is communicated with the inside of the first mounting groove, the clamping groove is located below the first mounting groove, and the diameter of the clamping groove is smaller than that of the first mounting groove.
5. The automotive fastener tensile testing apparatus of claim 1, wherein: two round blind holes are symmetrically formed in the lower end of the fixed cylinder.
6. The automotive fastener tensile testing apparatus of claim 1, wherein: the anti-collision block is composed of a metal cylinder and a rubber block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022330438.XU CN213022083U (en) | 2020-10-19 | 2020-10-19 | Tensile test device for automobile fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022330438.XU CN213022083U (en) | 2020-10-19 | 2020-10-19 | Tensile test device for automobile fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213022083U true CN213022083U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022330438.XU Active CN213022083U (en) | 2020-10-19 | 2020-10-19 | Tensile test device for automobile fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213022083U (en) |
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2020
- 2020-10-19 CN CN202022330438.XU patent/CN213022083U/en active Active
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