CN211147979U - Mounting fixture for vibration test - Google Patents
Mounting fixture for vibration test Download PDFInfo
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- CN211147979U CN211147979U CN202020176289.3U CN202020176289U CN211147979U CN 211147979 U CN211147979 U CN 211147979U CN 202020176289 U CN202020176289 U CN 202020176289U CN 211147979 U CN211147979 U CN 211147979U
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Abstract
The utility model relates to a mounting fixture for vibration test, include: the lower connecting plate is rotatably connected with an air cylinder, and the driving end of the air cylinder is connected with a first linear gear; the two sides of the cylinder on the lower connecting plate are both connected with side plates, the side plates are connected with upper cover plates, and the upper cover plates are connected with a test mounting plate; the outer sides of the test mounting plates are connected with side connecting blocks, mounting parts are arranged on the side connecting blocks, fourth rotating rods are rotatably connected in the mounting parts, and the other ends of the driving arms are rotatably connected to the second rotating rods; a sliding groove block is arranged on the inner wall of one side plate, one end of the second rotating rod is connected into a sliding groove of the sliding groove block in a sliding mode, a linear bearing is further arranged in the sliding groove, a driving arm is connected into the linear bearing, one end of the driving arm is connected with the second rotating rod, and one end of the driving arm is connected with the second linear gear; the side plate is also connected with a gear through a cross rod, the first linear gear is meshed with the gear, and the gear is meshed with the second linear gear.
Description
Technical Field
The utility model relates to an experimental apparatus, concretely designs a mounting fixture for vibration test.
Background
The vibration table is used for simulating various environments encountered by products in manufacturing, assembling, transporting and using execution stages to identify whether the products bear the environment vibration or not, and is suitable for research, development, quality control and manufacturing of various industries such as electronics, electromechanics, photoelectricity, automobiles, locomotives, toys and the like. When the vibration test bed carries out vibration test on the parts, the parts need to be clamped, the clamping points of the parts need to keep the same clamping pressure in the process of clamping the parts, and the existing clamping device cannot guarantee that the clamping points of the parts can keep uniform clamping force.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a mounting fixture for vibration test.
The technical scheme of the utility model as follows:
the utility model provides a mounting fixture for vibration test which characterized in that includes:
the device comprises a lower connecting plate (1), wherein a cylinder (2) is rotatably connected to the lower connecting plate (1), and a first linear gear (3) is connected to the driving end of the cylinder (2);
the two sides of the lower connecting plate (1) positioned on the air cylinder (2) are both connected with side plates (4), the side plates (4) are connected with an upper cover plate (15), and the left end and the right end of the upper cover plate (15) are both connected with a test mounting plate (19) for placing a piece to be tested (200);
the outer sides of the test mounting plates (19) are connected with side connecting blocks (13), mounting portions are arranged on the side connecting blocks (13), fourth rotating rods (14) are connected in the mounting portions in a rotating mode, the fourth rotating rods (14) are connected with clamping jaws (12) capable of clamping the piece to be tested (200) in a rotating mode, the other ends of the clamping jaws (12) are connected with driving arms (10) in a rotating mode through third rotating rods (11), and the other ends of the driving arms (10) are connected to second rotating rods (9) in a rotating mode;
a sliding groove block (8) is arranged on the inner wall of one side plate (4), one end of the second rotating rod (9) is connected into a sliding groove of the sliding groove block (8) in a sliding mode, a linear bearing (901) is further arranged in the sliding groove, a driving arm (10) is connected into the linear bearing (901), one end of the driving arm (10) is connected with the second rotating rod (9), and one end of the second rotating rod (9) is connected with a second linear gear (7); the side plate (4) is further connected with a gear (6) through a cross rod (5), the first linear gear (3) is meshed with the gear (6), and the gear (6) is meshed with the second linear gear (7).
Furthermore, a squeezing roller (16) for squeezing the first linear gear (3) is further arranged on the lower connecting plate (1), a squeezing roller mounting plate (17) is vertically connected to the side plate (4), and the squeezing roller mounting plate (17) is connected with a squeezing roller (16) for squeezing the second linear gear (7);
the outer end of a central bearing of the extrusion roller (16) is connected with a roller bracket (1602), the roller bracket (1602) is in a shape of L, the bottom of the roller bracket (1602) is connected into a sliding shell (1603), the sliding shell (1603) is in a box shape, a circular sliding hole is formed in the upper portion of the sliding shell, the roller bracket (1602) is arranged in the sliding hole in a sliding mode, a spring (1604) is arranged in the sliding shell (1603), and one end of the spring 1604 is connected with one end of the bottom of the roller bracket (1602) and is connected with the bottom of the sliding shell (1603).
Further, the inner end part of the clamping jaw (12) is also provided with an elastic part (1201), and the elastic part (1201) comprises a hard sponge cushion and a rubber pad below the hard sponge cushion.
Furthermore, a limiting plate (18) is further arranged below the second linear gear (7) and above the first linear gear (3) on the side plate (4).
Further, the side connecting blocks (13) are in a step shape.
Furthermore, the section of the sliding groove is larger than a semicircle, and the end part of the second rotating rod (9) is spherical.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
(1) the device can clamp a test piece to be tested, and the clamping jaw is provided with the elastic part, so that the test piece to be tested can be prevented from being damaged;
(2) the device can reduce the space occupied in the vertical direction by driving through the cylinder, the linear gear and the gear.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the clamping state of the present invention;
fig. 3 is a schematic structural view of the released state of the present invention;
FIG. 4 is a schematic structural view of the extrusion roller of the present invention;
in the figure:
in the figure:
1-a lower connecting plate; 101-a scaffold; 102-a first rotating bar;
2-a cylinder; 201-a cylinder rod;
3-a first linear gear;
4-side plate; 401-side plate fixing block;
5-a cross bar;
6-gear;
7-a second linear gear;
8-a chute block;
9-a second rotating rod; 901-linear bearings;
10-a drive arm;
11-a third rotating rod;
12-a clamping jaw; 1201-an elastic part;
13-side connection block;
14-a fourth rotating rod;
15-upper cover plate;
16-extrusion rollers; 1601-roller; 1602-roller carriage; 1603 — sliding housing; 1604-a spring;
17-squeeze roll wheel mounting plate;
18-a limiting plate;
19-testing the mounting plate;
200-a test piece.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1-4, a fixing clamp for vibration test according to a preferred embodiment of the present invention is used for performing vibration test after clamping the time to be measured 200, and the device of the present invention mainly plays a role of clamping.
The device has the following specific structure:
including lower junction plate 1, lower junction plate 1 is square metal plate, and its upper portion is provided with a plurality of screw holes, can install connecting plate 1 on outside vibration test device through the screw hole.
A bracket 101 is coupled to an upper end of the coupling plate 1, the bracket 101 has a double wall, and a mounting space is formed between the double walls, and a mounting hole is formed in each of the double walls, a first rotating rod 102 is installed in the mounting hole, and an end of the cylinder 2 is installed inside the bracket 101 through the first rotating rod 102.
Be provided with curb plate 4 in one side that connecting plate 1 is located cylinder 2, the quantity of curb plate 4 is two, and the outside edge of curb plate 4 is connected with curb plate fixed block 401, and curb plate fixed block 401 is through screwed connection curb plate 4, and fixed block 401 itself be welded connection under to connecting plate 1 on, after two curb plates 4 connect the completion, two curb plates 4 are parallel to each other.
The upper parts of the two side plates 4 are welded and connected with an upper cover plate 15, the left side and the right side of the upper part of the upper cover plate 15 are respectively welded and connected with a test mounting plate 19, the test mounting plate 19 is a metal plate, the test mounting plate 19 is provided with a step-shaped clamping part, and the two test mounting plates 19 are arranged oppositely, so that the part to be tested 200 can be mounted on the clamping part between the two test mounting plates.
A cylindrical cross rod 5 is connected to one side plate 4, the cross rod 5 is perpendicular to the side plates 4, a bearing is connected to the end portion of the cross rod 5, a gear 6 is connected to the outer portion of the bearing, a cylinder rod 201 of the air cylinder 2 is connected with the first linear gear 3, and the first linear gear 3 is meshed with the gear 6. A sliding groove block 8 is connected to the center of the side plate 4, a sliding groove (the cross-sectional shape of the sliding groove is larger than a semicircle) is arranged at the center of the sliding groove block 8, one end of a second rotating rod 9 (the end of the rotating rod 9 is spherical) is connected in the sliding groove in a clamping manner, so that the second rotating rod 9 can be connected to the inside of the sliding groove block 8 in a sliding manner, a linear bearing 901 is also arranged in the sliding groove of the sliding groove block 8, the linear bearing 901 is fixed to the inside of the sliding groove, a driving arm 10 is connected below the second rotating rod 9, the driving arm 10 is cylindrical, the driving arm 10 is simultaneously arranged inside the linear bearing 901, the driving arm 10 is positioned at the lower part of the linear bearing 901 and is also connected with a second linear gear 7, the second linear gear 7 is meshed with the gear 6, a squeezing roller mounting plate 17 is also connected to the side plate 4, the squeezing roller mounting plate 17 is connected with a squeezing roller 16, the pressing roller 16 presses one side of the linear bearing 901. A stopper plate 18 is provided on the side plate 4 directly below the linear bearing 901 and above the first linear gear 3.
Because the cylinder 2 is rotatably connected to the bracket 101, the first linear gear 3 will fall off due to the action of gravity and the gear 6, and two squeezing rollers 16 are further disposed on the lower connecting plate 1 under the first linear gear 3.
The specific structure of the squeezing roller 16 includes a rotatable roller 1601, the outer end of the center bearing of the roller is connected with a roller bracket 1602, the roller bracket 1602 is "L" shaped, the bottom of the roller bracket 1602 is connected to the inside of the sliding housing 1603, the sliding housing 1603 is in a box shape, the upper part of the sliding housing 1603 is provided with a circular sliding hole, the roller bracket 1602 is arranged inside the sliding hole in a sliding manner, a spring 1604 is arranged inside the sliding housing 1603, one end of the spring 1604 is connected with one end of the bottom of the sliding housing 1603 and is connected with the bottom of the roller bracket 1602, the roller 1601 can be squeezed up through the spring 1604, the first linear gear 3 and the gear 6 are compacted, and the squeezing roller 16 of the squeezing linear bearing 901 is the same.
Two driving arms 10 are rotatably connected to the second rotating rod 9, the other ends of the driving arms 10 are rotatably connected with a clamping jaw 12 through third rotating rods 11, a side connecting block 13 is further welded to the outside of the test mounting plate 19, an installation part is arranged on the side connecting block 13, the installation part is rotatably connected with a fourth rotating rod 14, and meanwhile, the upper part of the clamping jaw 12 is also rotatably connected to the fourth rotating rod 14.
The end of the jaw 12 is rotated to press the test piece 200.
The inner end part of the clamping jaw 12 is further provided with an elastic part 1201, the elastic part 1201 hollows a rectangular space at the lower part of the clamping jaw 12, a hard sponge pad is connected in the space, a rubber pad is connected below the sponge pad, the elastic part 1201 mainly clamps the piece 200 to be tested, and the elastic part 1201 can prevent the piece 200 to be tested from being damaged.
The working principle of the utility model is as follows:
lower connecting plate 1 is connected to on the vibration testing arrangement of outside, and cylinder 2 can drive 3 back-and-forth movements of first linear gear, and first linear gear 3 removes the rotation of in-process drive gear 6, and then drives reciprocating of second linear gear 7, is equivalent to the linear motion with the cylinder and turns into the motion of vertical direction, and the benefit through a plurality of gear connection is, can reduce vertical direction's occupation space.
After the second linear gear 7 moves up and down, the second rotating rod 9 can be driven to move up and down, so that the driving arm is driven to rotate, the clamping jaw 12 is driven to rotate along the fourth rotating rod 14, and the time to be measured 200 is compressed.
The elastic portion 1201 of the jaw 12 can prevent the test piece 200 from being crushed during the pressing thereof.
The extrusion running roller can compress tightly first linear gear and second linear gear, prevents to drop with the gear.
The device has the following advantages:
(1) the device can clamp a test piece to be tested, and the clamping jaw is provided with the elastic part, so that the test piece to be tested can be prevented from being damaged;
(2) the device can reduce the space occupied in the vertical direction by driving through the cylinder, the linear gear and the gear.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a mounting fixture for vibration test which characterized in that includes:
the device comprises a lower connecting plate (1), wherein a cylinder (2) is rotatably connected to the lower connecting plate (1), and a first linear gear (3) is connected to the driving end of the cylinder (2);
the two sides of the lower connecting plate (1) positioned on the air cylinder (2) are both connected with side plates (4), the side plates (4) are connected with an upper cover plate (15), and the left end and the right end of the upper cover plate (15) are both connected with a test mounting plate (19) for placing a piece to be tested (200);
the outer sides of the test mounting plates (19) are connected with side connecting blocks (13), mounting portions are arranged on the side connecting blocks (13), fourth rotating rods (14) are connected in the mounting portions in a rotating mode, the fourth rotating rods (14) are connected with clamping jaws (12) capable of clamping the piece to be tested (200) in a rotating mode, the other ends of the clamping jaws (12) are connected with driving arms (10) in a rotating mode through third rotating rods (11), and the other ends of the driving arms (10) are connected to second rotating rods (9) in a rotating mode;
a sliding groove block (8) is arranged on the inner wall of one side plate (4), one end of the second rotating rod (9) is connected into a sliding groove of the sliding groove block (8) in a sliding mode, a linear bearing (901) is further arranged in the sliding groove, a driving arm (10) is connected into the linear bearing (901), one end of the driving arm (10) is connected with the second rotating rod (9), and one end of the second rotating rod (9) is connected with a second linear gear (7); the side plate (4) is further connected with a gear (6) through a cross rod (5), the first linear gear (3) is meshed with the gear (6), and the gear (6) is meshed with the second linear gear (7).
2. The fixing jig for vibration test as set forth in claim 1, wherein: the lower connecting plate (1) is also provided with a squeezing roller (16) for squeezing the first linear gear (3), the side plate (4) is vertically connected with a squeezing roller mounting plate (17), and the squeezing roller mounting plate (17) is connected with a squeezing roller (16) for squeezing the second linear gear (7);
the outer end of a central bearing of the extrusion roller (16) is connected with a roller bracket (1602), the roller bracket (1602) is in a shape of L, the bottom of the roller bracket (1602) is connected into a sliding shell (1603), the sliding shell (1603) is in a box shape, a circular sliding hole is formed in the upper portion of the sliding shell, the roller bracket (1602) is arranged in the sliding hole in a sliding mode, a spring (1604) is arranged in the sliding shell (1603), and one end of the spring 1604 is connected with one end of the bottom of the roller bracket (1602) and is connected with the bottom of the sliding shell (1603).
3. The fixing jig for vibration test as set forth in claim 1, wherein: the inner end part of the clamping jaw (12) is further provided with an elastic part (1201), and the elastic part (1201) comprises a hard sponge cushion and a rubber pad below the hard sponge cushion.
4. The fixing jig for vibration test as set forth in claim 1, wherein: and a limiting plate (18) is arranged below the second linear gear (7) and above the first linear gear (3) on the side plate (4).
5. The fixing jig for vibration test as set forth in claim 1, wherein: the side connecting blocks (13) are in a step shape.
6. The fixing jig for vibration test as set forth in claim 1, wherein: the section of the sliding groove is larger than a semicircle, and the end part of the second rotating rod (9) is spherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020176289.3U CN211147979U (en) | 2020-02-17 | 2020-02-17 | Mounting fixture for vibration test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020176289.3U CN211147979U (en) | 2020-02-17 | 2020-02-17 | Mounting fixture for vibration test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211147979U true CN211147979U (en) | 2020-07-31 |
Family
ID=71756788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020176289.3U Active CN211147979U (en) | 2020-02-17 | 2020-02-17 | Mounting fixture for vibration test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211147979U (en) |
-
2020
- 2020-02-17 CN CN202020176289.3U patent/CN211147979U/en active Active
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