CN218642304U - Anti-falling structure of suspended installation motor - Google Patents
Anti-falling structure of suspended installation motor Download PDFInfo
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- CN218642304U CN218642304U CN202222691146.8U CN202222691146U CN218642304U CN 218642304 U CN218642304 U CN 218642304U CN 202222691146 U CN202222691146 U CN 202222691146U CN 218642304 U CN218642304 U CN 218642304U
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Abstract
The utility model discloses a structure of preventing falling of unsettled installation motor relates to overhead traveling crane equipment field, and the purpose is the shake of restriction motor, avoids the bolt fracture of fixed motor to lead to the emergence of motor accident of falling. The utility model adopts the technical proposal that: the anti-falling structure of the motor is installed in a hanging mode, a motor installation hole is formed in the platform, the motor is fixed in the motor installation hole in a hanging mode through bolts, an annular clamping groove formed by the motor and the platform is formed in the lower side of the motor installation hole, at least two clamping plates are fixedly installed on the bottom surface of the platform, each clamping plate is arranged in the radius direction of the motor installation hole, one side, facing the motor installation hole, of each clamping plate is arc-shaped and located in the annular clamping groove, and the angle of each arc is not larger than 180 degrees; each clamping plate is provided with at least two bolt holes and is fixedly arranged on the bottom surface of the platform through at least two bolts. The utility model is used for form the safety of lifting and locking effect, ensureing production to the motor.
Description
Technical Field
The utility model relates to a crown block equipment field specifically is a prevent that unsettled installation motor from falling, improves the structure of preventing falling of security.
Background
The motor of the overhead traveling crane is generally installed in a suspended manner, and the motor is installed on a tool trolley rotating platform through bolts. The motor is impacted by the tool trolley when being started, operated and stopped, and the motor shakes relative to the rotating platform of the tool trolley to cause shearing damage to the bolt for fixing the motor. If the bolts for fixing the motor are all broken, the suspended motor falls, the motor, the oil pipe and the encoder can be directly damaged, equipment in a factory can be damaged, and more importantly, a person injury accident can also occur.
Generally, the motor is prevented from falling down by increasing the strength or number of bolts for fixing the motor, but the motor is a purchased product, and the inherent structure of the motor cannot be changed by a user during the use of the overhead travelling crane. In addition, from the stress point of view, even if the strength of the bolts for fixing the motor is enhanced or the number thereof is increased, the shearing damage of the bolts for fixing the motor caused by the impact cannot be changed, and the bolts for fixing the motor have the risk of breaking in long-term use.
SUMMERY OF THE UTILITY MODEL
The utility model provides a structure of preventing falling of unsettled installation motor, the purpose is the shake of restriction motor, and the bolt fracture of avoiding fixed motor leads to the emergence of motor accident of falling.
The utility model adopts the technical proposal that: the anti-falling structure of the motor is installed in a hanging mode, a motor installation hole is formed in the platform, the motor is fixed in the motor installation hole in a hanging mode through bolts, an annular clamping groove formed by the motor and the platform is formed in the lower side of the motor installation hole, at least two clamping plates are fixedly installed on the bottom surface of the platform, each clamping plate is arranged in the radius direction of the motor installation hole, one side, facing the motor installation hole, of each clamping plate is arc-shaped and located in the annular clamping groove, and the angle of each arc is not larger than 180 degrees; each clamping plate is provided with at least two bolt holes and is fixedly arranged on the bottom surface of the platform through at least two bolts.
Further, the method comprises the following steps: the datum lines of the clamping plates are arranged along the radius direction of the motor mounting hole respectively, the bolt holes formed in the same clamping plate are all kidney-shaped holes, and the straight edges of the kidney-shaped holes of the same clamping plate are parallel to each other and parallel to the datum lines.
Further, the method comprises the following steps: the fixed PMKD that sets up in the bottom surface of platform, PMKD sets up the screw hole, and the bolted connection of fixed cardboard is in PMKD's screw hole.
Further, the method comprises the following steps: the fixed bottom plate is in an original annular shape, the inner diameter of the annular ring is larger than the diameter of the motor mounting hole, and the circle center of the fixed bottom plate is superposed with the circle center of the motor mounting hole; or the number of the fixed bottom plates is equal to that of the clamping plates and corresponds to that of the clamping plates one by one. Specifically, the method comprises the following steps: the fixed bottom plate is a rectangular steel plate, the length, the width and the thickness of the rectangular steel plate are 137.5cm multiplied by 80.0cm multiplied by 10mm, and the type of a threaded hole formed in the rectangular steel plate is M12.
Further, the method comprises the following steps: one side of the clamping plate facing the motor mounting hole is arc-shaped, and the diameter of the arc is matched with the inner diameter of the annular clamping groove.
Specifically, the method comprises the following steps: the clamping plate is a rectangular steel plate, the length and width of the rectangular steel plate are 165cm multiplied by 80cm multiplied by 10mm, and four waist-shaped holes with the diameter of 12.5mm and the length of a straight edge of 40mm are uniformly distributed on the rectangular steel plate; the bolt of fixed cardboard is the M12 bolt, and length is 20mm.
The utility model has the advantages that: the motor mounting hole downside of platform has the ring groove who is formed by motor and platform, set up the cardboard on ring groove's relative both sides or around, ring groove inserts one side of cardboard and is fixed in the platform bottom, the cardboard forms to the motor and lifts and locking effect, the bolt that makes fixed motor does not receive the axial force that the motor dead weight produced, or reduce the axial force that fixed motor's bolt received, the motor start has been alleviateed, the operation, the shearing influence of the radial force of stop vibration to fixed motor's bolt, avoid fixed motor's bolt fracture. The cardboard passes through the screw fixation back and forms the lifting effect to the motor, even whole fracture of bolt of fixed motor, the motor can not fall yet, ensures the safety of production. The bolt holes arranged in the clamping plates are waist-shaped holes, so that the clamping plates can be conveniently and fixedly installed. The fixed PMKD that sets up in the bottom surface of platform, the bolted connection of fixed cardboard in PMKD, PMKD has the reinforcement effect to the motor mounting hole department of platform.
Drawings
Fig. 1 is a schematic view of the falling prevention structure of the suspended installation motor of the present invention.
Fig. 2 is a schematic bottom view of fig. 1.
Reference numerals are as follows: platform 1, motor 2, ring groove 3, cardboard 4, bolt hole 5, bolt 6, PMKD 7.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses structure of preventing falling of unsettled installation motor, platform 1 set up the motor mounting hole, and motor 2 is fixed in the motor mounting hole through the bolt is unsettled. For example, the platform 1 is a tool trolley rotating platform of a crown block, the motor 2 is mounted in a motor mounting hole through four bolts, and the motor 2 is mounted in a suspended manner. The lower side of the motor mounting hole is provided with a ring-shaped clamping groove 3 formed by the motor 2 and the platform 1. At least two clamping plates 4 are fixedly arranged on the bottom surface of the platform 1, each clamping plate 4 is radially arranged along the radius direction of the motor mounting hole, and one side, facing the motor mounting hole, of each clamping plate 4 is arc-shaped and is positioned in the annular clamping groove 3. The angle of cardboard 4 towards the circular arc of motor mounting hole one side is not more than 180, avoids cardboard 4 can not insert ring groove 3's problem.
Cardboard 4 is located ring groove 3, cardboard 4 sets up two at least bolt holes 5 and is fixed in the bottom surface of platform 1 through two at least bolts 6 itself, cardboard 4 forms to lift and locking effect to motor 2, wherein lift the axial force that the effect indicates that fixed motor 2's bolt does not receive or only receives partial dead weight to produce, locking effect indicates that cardboard 4 forms the restriction to motor 2 at the level from ring groove 3 around, restriction motor 2 is relative to platform 1's shake and displacement volume. The datum line of each clamping plate 4 is respectively arranged along the radius direction of the motor mounting hole, the datum line of each clamping plate 4 is a virtual line passing through the clamping plate 4, for example, the datum line of each clamping plate 4 is a center line of the clamping plate 4, and the datum line of each clamping plate 4 passes through the center of the motor mounting hole. In order to facilitate the installation of the clamping plate 4, the bolt holes 5 arranged in the clamping plate 4 are kidney-shaped holes, each kidney-shaped hole is provided with a bolt 6, and straight edges of each kidney-shaped hole of each clamping plate 4 are parallel to each other and parallel to a datum line of the straight edges. The straight edge of the waist-shaped hole is parallel to the reference line of the waist-shaped hole, so that the clamping plate 4 can move along the reference line, and the moving stroke is the length of the straight edge of the waist-shaped hole. Cardboard 4 passes through the preliminary fixed back of bolt 6, moves cardboard 4 along the benchmark line of cardboard 4 to the centre of a circle direction of motor mounting hole, makes cardboard 4 insert ring groove 3, screws up bolt 6 again, and cardboard 4 just can be fixed in the bottom surface of platform 1. For example, the clamping plate 4 is a rectangular steel plate, the length and width of the rectangular steel plate are 165cm × 80cm × 10mm, and four waist-shaped holes with the diameter of 12.5mm and the length of a straight edge of 40mm are uniformly distributed in the rectangular steel plate; the bolt 6 of the fixing clamping plate 4 is an M12 bolt and has the length of 20mm.
In order to make the side of the clamping plate 4 facing the motor mounting hole better fit with the motor 2, the diameter of the circular arc of the side of the clamping plate 4 facing the motor mounting hole is matched with the inner diameter of the annular clamping groove 3. The clamping plates 4 can be two, and the two clamping plates 4 are preferably arranged oppositely at the moment, as shown in figures 1 and 2; the clamping plates 4 can be three or more, each clamping plate 4 is inserted into the ring-shaped clamping groove 3 from the circumferential direction of the ring-shaped clamping groove 3, and the lifting and locking effect on the motor 2 is formed from more directions.
Cardboard 4 can directly be fixed in the bottom surface of platform 1 through bolt 6, needs set up the screw hole of adaptation this moment in the bottom surface of platform 1. In order to avoid damaging the platform 1, the bottom surface of the platform 1 is fixedly provided with a fixed bottom plate 7, the fixed bottom plate 7 is provided with a threaded hole, and the bolt 6 of the fixed clamping plate 4 is connected in the threaded hole of the fixed bottom plate 7.
The fixed bottom plate 7 can be in an original annular shape, the inner diameter of the annular ring is larger than the diameter of the motor mounting hole, and the circle center of the fixed bottom plate 7 coincides with the circle center of the motor mounting hole to avoid mutual interference between the fixed bottom plate 7 and the motor 2. Another solution is that the number of the fixed base plates 7 is equal to the number of the card plates 4 and corresponds to one another. For example, the fixing base plate 7 is also a rectangular steel plate, the length and width of the rectangular steel plate is 137.5cm × 80.0cm × 10mm, and the rectangular steel plate is provided with a threaded hole model M12.
Claims (8)
1. The structure of preventing falling is prevented to unsettled installation motor, and platform (1) sets up the motor mounting hole, and in motor (2) were fixed in the motor mounting hole through the bolt is unsettled, motor mounting hole downside had ring groove (3) by motor (2) and platform (1) formation, its characterized in that: at least two clamping plates (4) are fixedly arranged on the bottom surface of the platform (1), each clamping plate (4) is arranged along the radius direction of the motor mounting hole, one side, facing the motor mounting hole, of each clamping plate (4) is arc-shaped and is positioned in the annular clamping groove (3), and the angle of the arc is not more than 180 degrees; each clamping plate (4) is provided with at least two bolt holes (5) and is fixedly arranged on the bottom surface of the platform (1) through at least two bolts (6).
2. The flying mount motor fall arrest structure according to claim 1, wherein: the datum lines of the clamping plates (4) are arranged along the radius direction of the motor mounting hole respectively, the bolt holes (5) formed in the same clamping plate (4) are waist-shaped holes, and the straight edges of the waist-shaped holes of the same clamping plate (4) are parallel to each other and the datum lines of the waist-shaped holes.
3. The flying mount motor fall arrest structure of claim 1, wherein: the bottom surface of the platform (1) is fixedly provided with a fixed bottom plate (7), the fixed bottom plate (7) is provided with a threaded hole, and a bolt (6) of the fixed clamping plate (4) is connected in the threaded hole of the fixed bottom plate (7).
4. The flying mount motor fall arrest structure according to claim 3, wherein: the fixed bottom plate (7) is in an original annular shape, the inner diameter of the annular ring is larger than the diameter of the motor mounting hole, and the circle center of the fixed bottom plate (7) coincides with the circle center of the motor mounting hole.
5. The flying mount motor fall arrest structure of claim 3, wherein: the number of the fixed bottom plates (7) is equal to that of the clamping plates (4) and corresponds to the clamping plates one by one.
6. The flying mount motor fall arrest structure of claim 5, wherein: the fixed bottom plate (7) is a rectangular steel plate, the length, width and thickness of the rectangular steel plate are 137.5cm multiplied by 80.0cm multiplied by 10mm, and the type of the threaded hole formed in the rectangular steel plate is M12.
7. The structure of any of claims 1 to 6, wherein: one side of the clamping plate (4) facing the motor mounting hole is arc-shaped, and the diameter of the arc is matched with the inner diameter of the annular clamping groove (3).
8. The flying mount motor fall arrest structure of claim 7, wherein: the clamping plate (4) is a rectangular steel plate, the length, width and thickness of the rectangular steel plate are 165cm multiplied by 80cm multiplied by 10mm, and four bolt holes (5) with the diameter of 12.5mm and the length of a straight edge of 40mm are uniformly distributed in the rectangular steel plate; the bolt (6) of the fixed clamping plate (4) is an M12 bolt, and the length of the bolt is 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222691146.8U CN218642304U (en) | 2022-10-12 | 2022-10-12 | Anti-falling structure of suspended installation motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222691146.8U CN218642304U (en) | 2022-10-12 | 2022-10-12 | Anti-falling structure of suspended installation motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218642304U true CN218642304U (en) | 2023-03-17 |
Family
ID=85495274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222691146.8U Active CN218642304U (en) | 2022-10-12 | 2022-10-12 | Anti-falling structure of suspended installation motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218642304U (en) |
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2022
- 2022-10-12 CN CN202222691146.8U patent/CN218642304U/en active Active
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