CN213813125U - Dumbbell pin testing device - Google Patents

Dumbbell pin testing device Download PDF

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Publication number
CN213813125U
CN213813125U CN202022747452.XU CN202022747452U CN213813125U CN 213813125 U CN213813125 U CN 213813125U CN 202022747452 U CN202022747452 U CN 202022747452U CN 213813125 U CN213813125 U CN 213813125U
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China
Prior art keywords
mounting groove
hole
dumbbell pin
fixing
positioning
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CN202022747452.XU
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Chinese (zh)
Inventor
孙衍石
黎德才
卢少勇
李伟
成钦
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Sany Heavy Equipment Co Ltd
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Sany Heavy Equipment Co Ltd
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Abstract

The utility model discloses a dumbbell pin testing arrangement relates to test equipment technical field, and the main objective improves the stability of dumbbell pin in the test procedure to improve its atress homogeneity, and then improve its measuring accuracy. The utility model discloses a main technical scheme does: the dumbbell pin testing device comprises a first fixing part and a second fixing part, wherein the first fixing part comprises a first fixing block, a first mounting groove penetrating through the top surface and the side surface of the first fixing block is arranged on the first fixing block, and the outline shape of the first mounting groove is matched with one end of a dumbbell pin; the second fixing part comprises a second fixing block, a second mounting groove which penetrates through the top surface and the side surface of the second fixing block and is opposite to the first mounting groove is arranged on the second fixing block, and the outline shape of the second mounting groove is matched with the other end of the dumbbell pin; the positioning tool comprises a first positioning part and a second positioning part, the first positioning part is detachably connected with the first fixed block, and the second positioning part is detachably connected with the second fixed block; the driving part is connected with the first fixing part.

Description

Dumbbell pin testing device
Technical Field
The utility model relates to a test equipment technical field especially relates to a dumbbell pin testing arrangement.
Background
The dumbbell pin is used for connecting the middle grooves of the scraper conveyor, has the characteristics of simple structure, convenience in installation, firm connection and the like, and generally needs to be subjected to strength test for the dumbbell pin in order to ensure the performance of the dumbbell pin.
At present, when adopting dumbbell round pin intensity test device to carry out intensity test to the dumbbell round pin, there is the unstable problem in dumbbell round pin position usually to lead to the atress of dumbbell round pin inhomogeneous, the measuring accuracy is lower.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a dumbbell pin testing arrangement, the main objective improves the stability of dumbbell pin in the test process to improve its atress homogeneity, and then improve its measuring accuracy.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides a dumbbell pin testing arrangement, include:
the dumbbell pin comprises a first fixing part and a second fixing part, wherein the first fixing part comprises a first fixing block, a first mounting groove penetrating through the top surface and the side surface of the first fixing block is arranged on the first fixing block, and the contour shape of the first mounting groove is matched with the contour shape of one end of the dumbbell pin;
the second fixing part comprises a second fixing block, a second mounting groove penetrating through the top surface and the side surface of the second fixing block is formed in the second fixing block, the contour shape of the second mounting groove is matched with the contour shape of the other end of the dumbbell pin, and the first mounting groove is opposite to the second mounting groove;
the positioning tool comprises a first positioning part and a second positioning part, the first positioning part is detachably connected with the first fixed block, the second positioning part is detachably connected with the second fixed block, and the first positioning part and the second positioning part are respectively used for limiting the positions of the dumbbell pin in the first mounting groove and the second mounting groove;
the driving part is connected with the first fixing part and used for driving the first fixing part to move towards the direction far away from the second fixing part.
Further, the first positioning part comprises a first positioning block and a first bolt;
the first positioning block is provided with a first threaded through hole, the first positioning block is detachably connected with the top surface of the first fixing block, and the first threaded through hole is opposite to the first mounting groove;
the first bolt is in threaded connection with the first threaded through hole and can be inserted into the first mounting groove to abut against the dumbbell pin.
Furthermore, the first fixing block is in bolted connection or buckled connection with the top surface of the first fixing block.
Further, the second positioning part comprises a second positioning block and a second bolt;
a second threaded through hole is formed in the second positioning block, the second positioning block is detachably connected with the top surface of the second fixing block, and the second threaded through hole is opposite to the second mounting groove;
the second bolt is in threaded connection with the second threaded through hole and can be inserted into the second mounting groove to abut against the dumbbell pin.
Further, the second positioning block is in bolted connection or buckled connection with the top surface of the second fixing block.
Further, the dumbbell pin testing apparatus further includes:
the first fixing part and the second fixing part are connected through the guide mechanism, and the first fixing part and the second fixing part move relatively through the guide mechanism.
Furthermore, the first fixing part also comprises a first plate body connected with the first fixing block, and a first through hole is formed in the upper part of the first plate body;
the second fixing part also comprises a second plate body which is connected with the second fixing block and is opposite to the first plate body, and a second through hole is formed in the upper part of the second plate body;
the guide mechanism comprises a first rod body and a second rod body, one end of the first rod body is connected with the upper part of the first plate body, and the other end of the first rod body penetrates through the second through hole and can move in the second through hole; one end of the second rod body is connected with the upper part of the second plate body, and the other end of the second rod body penetrates through the first through hole and can move in the first through hole.
Furthermore, a third through hole is formed in the lower portion of the first plate body; a fourth through hole is formed in the lower portion of the second plate body;
the guide mechanism further comprises a third rod body and a fourth rod body, one end of the third rod body is connected with the lower part of the first plate body, and the other end of the third rod body penetrates through the fourth through hole and can move in the fourth through hole; one end of the fourth rod body is connected with the upper portion of the second plate body, and the other end of the fourth rod body penetrates through the third through hole and can move in the third through hole.
Furthermore, the number of the first through holes is two, the number of the second rod bodies is two, and the first rod body is positioned between the two second rod bodies;
the number of the third through holes is two, the number of the fourth rod bodies is two, and the third rod body is located between the two fourth rod bodies.
Furthermore, the inner walls of the first mounting groove and the second mounting groove are provided with anti-skid grains.
Borrow by above-mentioned technical scheme, the utility model discloses following beneficial effect has at least:
the embodiment of the utility model provides a pair of dumbbell pin testing arrangement, before carrying out intensity test to the dumbbell pin, can install the dumbbell pin in first mounting groove and second mounting groove, and be connected first location portion and the first fixed block of location frock, and be connected the second location portion and the second fixed block of location frock, after the drive division starts, first fixed part is to the direction removal of keeping away from the second fixed part, the dumbbell pin is stretched in order to carry out intensity test, in this process, because first location portion and second location portion can fix a position the position of dumbbell pin in first mounting groove and second mounting groove, avoided the dumbbell pin to take place the drunkenness, the stability of dumbbell pin has been guaranteed, make the atress of dumbbell pin even, thereby the test accuracy of dumbbell pin has been improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a dumbbell pin testing device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a first positioning portion of the positioning tool in fig. 1.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides a dumbbell pin testing apparatus, including a first fixing portion 1, where the first fixing portion 1 includes a first fixing block 11, the first fixing block 11 is provided with a first mounting groove 111 penetrating through a top surface and a side surface thereof, and a contour shape of the first mounting groove 111 is adapted to a contour shape of one end of a dumbbell pin; the second fixing part 2, the second fixing part 2 includes the second fixed block 21, there is the second mounting groove 211 which runs through its top surface and side on the second fixed block 21, the outline shape of the second mounting groove 211 is fitted with the outline shape of another end of the dumbbell pin, the first mounting groove 111 is opposite to second mounting groove 211; the positioning tool comprises a first positioning part 3 and a second positioning part, the first positioning part 3 is detachably connected with the first fixing block 11, the second positioning part is detachably connected with the second fixing block 21, and the first positioning part 3 and the second positioning part are respectively used for limiting the positions of the dumbbell pin in the first mounting groove 111 and the second mounting groove 211; and the driving part is connected with the first fixing part 1 and is used for driving the first fixing part 1 to move towards the direction far away from the second fixing part 2. Wherein the bottom surfaces of the first and second fixed blocks 11 and 21 are closed so that the dumbbell pins are seated in the first and second mounting grooves 111 and 211.
The embodiment of the utility model provides a pair of dumbbell pin testing arrangement, before carrying out intensity test to the dumbbell pin, can install the dumbbell pin in first mounting groove 111 and second mounting groove 211, and be connected first location portion 3 and the first fixed block 11 of location frock, and be connected the second location portion and the second fixed block 21 of location frock, after the drive division starts, first fixed part 1 is to the direction removal of keeping away from second fixed part 2, the dumbbell pin is stretched in order to carry out intensity test, in this process, because first location portion 3 and second location portion can fix a position the position of dumbbell pin in first mounting groove 111 and second mounting groove 211, the drunkenness takes place for the dumbbell pin has been avoided, the stability of dumbbell pin has been guaranteed, make the atress of dumbbell pin even, thereby the test accuracy of dumbbell pin has been improved.
Referring to fig. 1, the operation process of the dumbbell pin testing apparatus may be as follows: before the strength test of the dumbbell pin is performed, the dumbbell pin can be installed in the first installation groove 111 and the second installation groove 211, the first positioning portion 3 of the positioning tool is connected with the first fixing block 11, and the second positioning portion of the positioning tool is connected with the second fixing block 21, after the driving portion is started, the first fixing portion 1 moves in the direction away from the second fixing portion 2, and at the moment, the first fixing portion 1 and the second fixing portion 2 which are relatively away from each other can stretch the dumbbell pin to perform the strength test due to the fact that the outline shapes of the first installation groove 111 and the second installation groove 211 are matched with the outline shape of the dumbbell pin; after the test, can dismantle the first location portion 3 of location frock from first fixed block 11 to and dismantle the unloading from second fixed block 21 with the second location portion of location frock, take out the dumbbell pin from first mounting groove 111 and second mounting groove 211, in order to carry out next strength test.
In an alternative embodiment, referring to fig. 1 and 2, the first positioning portion 3 may include a first positioning block 31 and a first bolt 32; the first positioning block 31 may be provided with a first threaded through hole 311, the first positioning block 31 is detachably connected to the top surface of the first fixing block 11, and the first threaded through hole 311 is opposite to the first mounting groove 111; the first bolt 32 is screwed into the first threaded through hole 311 and can be inserted into the first mounting groove 111 to abut against the dumbbell pin.
According to the above embodiment, after the first positioning portion 3 of the positioning tool is connected with the first fixing block 11, the first bolt 32 can be screwed, so that the first bolt 32 abuts against the dumbbell pin, the dumbbell pin is limited by the first bolt 32 to move in the first mounting groove 111, the stability of the dumbbell pin is ensured, the stress of the dumbbell pin is uniform, the testing precision of the dumbbell pin is improved, and the dumbbell pin is simple in structure and reliable to use.
In an alternative embodiment, the first positioning block 31 and the top surface of the first fixing block 11 may be detachably connected by a bolt connection or a snap connection, which is convenient for operation. Wherein, the buckle connected mode between first locating block 31 and the first fixed block 11 can have the multiple, for example, can set up the card hole at the top surface of first fixed block 11, sets up the trip on first locating block 31 for trip and card hole block are connected.
In an optional embodiment, the second positioning portion may include a second positioning block and a second bolt; a second threaded through hole can be formed in the second positioning block, the second positioning block is detachably connected with the top surface of the second fixing block 21, and the second threaded through hole is opposite to the second mounting groove 211; the second bolt is in threaded connection with the second threaded through hole and can be inserted into the second mounting groove 211 to abut against the dumbbell pin. The structure of the second positioning portion may be the same as that of the first positioning portion, and refer to fig. 2.
According to the embodiment, after the second positioning part of the positioning tool is connected with the second fixing block 21, the second bolt can be screwed, so that the second bolt is abutted to the dumbbell pin, the dumbbell pin is limited to move in the second mounting groove 211 through the second bolt, the stability of the dumbbell pin is guaranteed, the stress of the dumbbell pin is uniform, the testing precision of the dumbbell pin is improved, and the dumbbell pin is simple in structure and reliable to use.
In an optional embodiment, the second positioning block and the top surface of the second fixing block 21 may be detachably connected by a bolt connection or a snap connection, which is convenient for operation. The fastening connection mode between the second positioning block and the second fixing block 21 can be various, for example, a fastening hole can be formed in the top surface of the second fixing block 21, and a fastening hook is arranged on the second positioning block, so that the fastening hook is fastened and connected with the fastening hole.
In order to secure stability of the relative movement between the first fixing part 1 and the second fixing part 2, referring to fig. 1, the dumbbell pin testing apparatus may further include: and a guide mechanism 4, wherein the first fixing part 1 and the second fixing part 2 are connected through the guide mechanism 4, and the first fixing part 1 and the second fixing part 2 move relatively through the guide mechanism 4.
Specifically, referring to fig. 1, the first fixing portion 1 may further include a first plate 12 connected to the first fixing block 11, and a first through hole is formed in an upper portion of the first plate 12; the second fixing part 2 may further include a second plate 22 connected to the second fixing block 21 and opposite to the first plate 12, and a second through hole is formed in an upper portion of the second plate 22; the guide mechanism 4 may include a first rod 41 and a second rod 42, wherein one end of the first rod 41 is connected to the upper portion of the first plate 12, and the other end thereof passes through the second through hole and is movable therein, and one end of the second rod 42 is connected to the upper portion of the second plate 22, and the other end thereof passes through the first through hole and is movable therein.
In the above embodiment, in the strength testing process of the dumbbell pin, the first plate 12 and the second plate 22 are relatively far away from each other, the first rod 41 moves in the second through hole, and the second rod 42 moves in the first through hole, that is, the first rod 41 and the second rod 42 provide a guiding effect for the relative movement of the first plate 12 and the second plate 22, so that the stability of the relative movement between the first fixing portion 1 and the second fixing portion 2 is ensured, and the testing precision of the dumbbell pin is further improved.
Specifically, referring to fig. 1, a third through hole may be provided at a lower portion of the first plate body 12; a fourth through hole may be provided at a lower portion of the second plate body 22; the guide mechanism 4 may further include a third rod 43 and a fourth rod 44, wherein one end of the third rod 43 is connected to the lower portion of the first plate 12, the other end thereof passes through the fourth through hole and is movable therein, one end of the fourth rod 44 is connected to the upper portion of the second plate 22, and the other end thereof passes through the third through hole and is movable therein.
In the above embodiment, in the strength testing process of the dumbbell pin, the first plate body 12 and the second plate body 22 are relatively far away, the third rod body 43 moves in the fourth through hole, and the fourth rod body 44 moves in the third through hole, that is, the third rod body 43 and the fourth rod body 44 provide further guiding effect for the relative motion of the first plate body 12 and the second plate body 22, so that the stability of the relative motion between the first fixing part 1 and the second fixing part 2 is further ensured, and the testing precision of the dumbbell pin is further improved.
Specifically, referring to fig. 1, the number of the first through holes may be two, the number of the second rods 42 may be two, and the first rod 41 is located between the second rods 42; the number of the third through holes is two, the number of the fourth rod bodies 44 is two, and the third rod body 43 is located between the two fourth rod bodies 44, so that the stability of relative motion between the first fixing part 1 and the second fixing part 2 is further ensured, and the testing precision of the dumbbell pin is further improved.
In an optional embodiment, referring to fig. 1, the inner walls of the first mounting groove 111 and the second mounting groove 211 are provided with anti-slip patterns, so that the friction force between the dumbbell pin and each mounting groove is increased, the dumbbell pin is better prevented from moving, the stability of the dumbbell pin is better ensured, the stress of the dumbbell pin is uniform, and the testing precision of the dumbbell pin is better improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A dumbbell pin testing device, comprising:
the dumbbell pin comprises a first fixing part and a second fixing part, wherein the first fixing part comprises a first fixing block, a first mounting groove penetrating through the top surface and the side surface of the first fixing block is arranged on the first fixing block, and the contour shape of the first mounting groove is matched with the contour shape of one end of the dumbbell pin;
the second fixing part comprises a second fixing block, a second mounting groove penetrating through the top surface and the side surface of the second fixing block is formed in the second fixing block, the contour shape of the second mounting groove is matched with the contour shape of the other end of the dumbbell pin, and the first mounting groove is opposite to the second mounting groove;
the positioning tool comprises a first positioning part and a second positioning part, the first positioning part is detachably connected with the first fixed block, the second positioning part is detachably connected with the second fixed block, and the first positioning part and the second positioning part are respectively used for limiting the positions of the dumbbell pin in the first mounting groove and the second mounting groove;
the driving part is connected with the first fixing part and used for driving the first fixing part to move towards the direction far away from the second fixing part.
2. The dumbbell pin testing apparatus of claim 1,
the first positioning part comprises a first positioning block and a first bolt;
the first positioning block is provided with a first threaded through hole, the first positioning block is detachably connected with the top surface of the first fixing block, and the first threaded through hole is opposite to the first mounting groove;
the first bolt is in threaded connection with the first threaded through hole and can be inserted into the first mounting groove to abut against the dumbbell pin.
3. The dumbbell pin testing apparatus of claim 2,
the first fixing block is connected with the top surface of the first fixing block through bolts or buckles.
4. The dumbbell pin testing apparatus of claim 1,
the second positioning part comprises a second positioning block and a second bolt;
a second threaded through hole is formed in the second positioning block, the second positioning block is detachably connected with the top surface of the second fixing block, and the second threaded through hole is opposite to the second mounting groove;
the second bolt is in threaded connection with the second threaded through hole and can be inserted into the second mounting groove to abut against the dumbbell pin.
5. The dumbbell pin testing apparatus of claim 4,
the second positioning block is connected with the top surface of the second fixing block through bolts or buckles.
6. The dumbbell pin testing apparatus of claim 1, further comprising:
the first fixing part and the second fixing part are connected through the guide mechanism, and the first fixing part and the second fixing part move relatively through the guide mechanism.
7. The dumbbell pin testing apparatus of claim 6,
the first fixing part also comprises a first plate body connected with the first fixing block, and a first through hole is formed in the upper part of the first plate body;
the second fixing part also comprises a second plate body which is connected with the second fixing block and is opposite to the first plate body, and a second through hole is formed in the upper part of the second plate body;
the guide mechanism comprises a first rod body and a second rod body, one end of the first rod body is connected with the upper part of the first plate body, and the other end of the first rod body penetrates through the second through hole and can move in the second through hole; one end of the second rod body is connected with the upper part of the second plate body, and the other end of the second rod body penetrates through the first through hole and can move in the first through hole.
8. The dumbbell pin testing apparatus of claim 7,
a third through hole is formed in the lower portion of the first plate body; a fourth through hole is formed in the lower portion of the second plate body;
the guide mechanism further comprises a third rod body and a fourth rod body, one end of the third rod body is connected with the lower part of the first plate body, and the other end of the third rod body penetrates through the fourth through hole and can move in the fourth through hole; one end of the fourth rod body is connected with the upper portion of the second plate body, and the other end of the fourth rod body penetrates through the third through hole and can move in the third through hole.
9. The dumbbell pin testing apparatus of claim 8,
the number of the first through holes is two, the number of the second rod bodies is two, and the first rod body is positioned between the two second rod bodies;
the number of the third through holes is two, the number of the fourth rod bodies is two, and the third rod body is located between the two fourth rod bodies.
10. The dumbbell pin testing apparatus of claim 1,
and anti-skid grains are arranged on the inner walls of the first mounting groove and the second mounting groove.
CN202022747452.XU 2020-11-24 2020-11-24 Dumbbell pin testing device Active CN213813125U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022747452.XU CN213813125U (en) 2020-11-24 2020-11-24 Dumbbell pin testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022747452.XU CN213813125U (en) 2020-11-24 2020-11-24 Dumbbell pin testing device

Publications (1)

Publication Number Publication Date
CN213813125U true CN213813125U (en) 2021-07-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022747452.XU Active CN213813125U (en) 2020-11-24 2020-11-24 Dumbbell pin testing device

Country Status (1)

Country Link
CN (1) CN213813125U (en)

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