CN211466309U - Overturning rack for engine disassembly and assembly - Google Patents
Overturning rack for engine disassembly and assembly Download PDFInfo
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- CN211466309U CN211466309U CN201921760100.9U CN201921760100U CN211466309U CN 211466309 U CN211466309 U CN 211466309U CN 201921760100 U CN201921760100 U CN 201921760100U CN 211466309 U CN211466309 U CN 211466309U
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Abstract
The utility model belongs to the technical field of engine equipment, disintegration equipment, a upset rack is used in engine dismouting is related to. Comprises a base assembly and a turnover mechanism; the turnover mechanism comprises a turbine, a worm, a transmission shaft, a first bearing seat, a second bearing seat, a three-phase induction motor and a coupler; the worm wheel, the worm, the first bearing seat and the second bearing seat are fixed on a supporting platform of the base assembly, an output shaft of the worm wheel is fixedly connected with one end of the transmission shaft and is supported by the first bearing seat and the second bearing seat, and the other end of the transmission shaft is fixedly connected with an engine connecting plate; the input shaft of the worm is fixedly connected with the three-phase induction motor through a coupler; the utility model solves the problem that the turnover rack occupies large space, is more reliable and safe, has more reasonable height, and is convenient for operators to work; the utility model discloses use with the cooperation of different engine extension boards, have very strong suitability, commonality, satisfied multiple engine dismouting, maintenance requirement.
Description
Technical Field
The utility model belongs to the technical field of engine equipment, disintegration equipment, concretely relates to engine dismouting is with upset rack.
Background
In the existing engine supporting and overturning device, an engine is supported, and the engine can rotate for 360 degrees by utilizing the transmission of a worm gear, so that the engine is convenient to maintain.
The representative methods at present are introduced in an engine disassembly and assembly overturning rack (CN206210248U), an engine maintenance overturning rack (CN208961957U) or a new energy automobile engine disassembly and assembly teaching rack (CN 208954481U). The output shaft on the rack is connected with the engine, the engine is supported by a certain height, and the engine overturning rack can be locked at any angle of 360 degrees by utilizing the self-locking characteristic of the worm gear reducer.
The engine overturning rack in the prior art basically uses a base with a roller, and although the overturning rack with the roller can move, the roller has a certain height, so that a slightly large engine can be overturned in a space, the whole height is higher, and the engine overturning rack is inconvenient for operators to operate. And the movable rack is used for balancing the weight of the engine, and the base needs a certain length to balance the weight of the engine, so that the occupied space is larger. And when a bolt with larger torque is arranged on the engine, the rack device with the roller is easy to move due to the action of the torque,
in the prior art, due to structural limitation, the speed reducer is small in speed ratio, and a hand wheel is rotated manually, so that when a large-scale engine is disassembled and assembled, the hand wheel is rotated manually to increase the working strength of an operator. In the prior art, tools for disassembly and assembly cannot be placed on the overturning rack, and the tools are inconvenient to take.
The support described in patent document 1(CN206210248U) has a small working range, and the rack itself occupies a large space, which makes it difficult to support a large engine. Patent document 2(CN208961957U) discloses that the height of the adjustable stand can be adjusted and the stand can rotate freely, but since the support part uses the lead screw and the support rod, the lead screw and the support rod are required to be high when supporting a large engine, and although the wheels used by the base are self-locking universal wheels, the stand is still easy to shift when a bolt with large torque is screwed. Patent document 3(CN208896045U) discloses that a hydraulic cylinder and a manual ratchet are adopted, which is high in cost, and the overall height of the engine is high after the engine is suspended, so that the operation is inconvenient for an operator.
Disclosure of Invention
An object of the utility model is to overcome prior art's weak point, provide an engine upset dismouting rack safe, that the function is various, the simple operation.
In order to solve the above technical problem, the present invention adopts the following technical solution, which is described below with reference to the accompanying drawings:
an engine dismounting and overturning rack comprises a base assembly and an overturning mechanism;
the turnover mechanism comprises a turbine 6, a worm 7, a transmission shaft 3, a first bearing seat 4, a second bearing seat 5, a three-phase induction motor 18 and a coupler 17;
the worm wheel 6, the worm 7, the first bearing seat 4 and the second bearing seat 5 are fixed on a supporting platform 8 of the base assembly, an output shaft of the worm wheel 6 is fixedly connected with one end of the transmission shaft 3 and is supported by the first bearing seat 4 and the second bearing seat 5, and the other end of the transmission shaft 3 is fixedly connected with the engine connecting plate 2; the input shaft of the worm 7 is fixedly connected with a three-phase induction motor 18 through a coupler 17.
In the technical scheme, the base assembly consists of a base 14, a stand column 13 and a supporting platform 8; the base 14 is fixed on the ground by a flat plate with a certain thickness by using expansion bolts, a cylindrical upright column 13 is welded on the base, a supporting platform 8 is welded on the upright column, and reinforcing ribs are welded among the upright column, the base and the supporting platform.
The turnover mechanism in the technical scheme further comprises a bracket 16, a controller 9 and a control switch 10;
the support 16 is fixed to one side of the supporting platform 8, the three-phase induction motor 18 is fixed to the support 16, the controller 9 is a controller of the three-phase induction motor 18, the control switch 10 is a control switch of the three-phase induction motor 18, the controller 9 of the three-phase induction motor is fixed to the rear of the base 14, and the control switch 10 of the three-phase induction motor 18 is fixed to one side of the protective cover 12.
In the technical scheme, a protective cover 12 is arranged on the supporting platform 8.
In the technical scheme, one end of the transmission shaft 3 extends out of the protective cover, and the end face of the transmission shaft is provided with a spigot and a bolt hole for fixing the engine connecting plate 2 and is connected with various engines through the corresponding engine connecting plate 2.
In the technical scheme, wrench brackets 19 are arranged on two sides of the protective cover.
In the technical scheme, the engine dismounting and overturning rack further comprises an oil collecting tray 15, and the oil collecting tray 15 is placed on the base 14.
The engine dismouting upset rack in the technical scheme still includes tray 11, tray 11 is placed at protection casing 12 top.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a fix the expansion screw for the base on ground, reduced the big problem of upset rack occupation space like this to the rack can not produce the removal when fastening bolt, and is more reliable safety, owing to do not have the gyro wheel, makes the upset rack height more reasonable, makes things convenient for operating personnel work.
The utility model discloses use with the cooperation of different engine extension boards, have very strong suitability, commonality. The requirements of dismounting and maintenance of various engines are met.
The utility model discloses utilize three-phase induction machine drive worm to chooseed the great worm gear of velocity ratio for use, can make the engine carry out 360 degrees random rotations and auto-locks, reduced operator's intensity of labour, improved work efficiency.
The utility model discloses installed the protection casing outside turbine worm and bearing frame, played the guard action to inside accessory, can install air gun (or electric gun) device and instrument that the dismouting engine was used moreover on the protection casing and place the tray, realize the maximize of function.
Drawings
The invention will be further described with reference to the accompanying drawings:
FIG. 1 is a front view of an overturning rack structure for assembling and disassembling an engine according to the present invention;
FIG. 2 is a right side view of the turning rack structure for assembling and disassembling an engine according to the present invention;
FIG. 3 is a top view of the structure of the turnover rack for assembling and disassembling the engine according to the present invention;
fig. 4 is a schematic view of a first turnover mechanism of the present invention;
fig. 5 is a schematic view of a second turnover mechanism of the present invention;
in the figure: 1. the engine, 2, engine connecting plate, 3, transmission shaft, 4, first bearing frame, 5, second bearing frame, 6, turbine, 7, worm, 8, supporting platform, 9, controller, 10, control switch, 11, tray, 12, protection casing, 13, stand, 14, base, 15, oil-collecting tray, 16, support, 17, shaft coupling, 18, three-phase induction motor, 19, spanner support, 20, hexagon socket head cap screw, 21, bolt.
In a particular embodiment, the method comprises the following steps,
the present invention will be described in detail with reference to the accompanying drawings:
the turnover mechanism ensures that the engine 1 can rotate at will in 360 degrees by using the principle of turbine and worm speed reduction, and the three-phase induction motor 18 is used for driving a worm input shaft to enable the engine 1 to rotate and self-lock at will;
selecting the diameter of a transmission shaft of an engine dismounting turnover rack and the transmission ratio of a worm gear according to the weight of the engine;
referring to fig. 1, the engine dismounting turnover rack comprises a base assembly, a turnover mechanism, a protective cover and an oil storage plate. The base assembly is composed of a base 14, a vertical column 13 and a supporting platform 8. The base 14 is fixed subaerial by a flat board utilization expansion bolts, and stand 13 chooses for use seamless steel pipe welding to base 14 on, and supporting platform 8 welds stand 13, and tilting mechanism fixes to supporting platform 8 above, and the transmission shaft is used for supporting location engine 1 and carries out 360 degrees arbitrary angle rotations. A bracket 16 is placed on the left (or right) side of the turn-over stand and fixed to the support platform 8, a three-phase induction motor 18 is fixed to the bracket 16, and a controller 9 is placed on the rear side of the turn-over stand and fixed to the base 14. The control switch 10 is fixed to the side of the shield 12 in a position relatively convenient for operation. The design of the base of the overturning platform and the overturning mechanism mainly determines the material, thickness, height and strength standard of each component according to the weight, length and the like of an engine.
Referring to fig. 2 and 5, the turnover mechanism comprises a turbine 6, a worm 7, a three-phase induction motor 18, a coupler 17, a support 16, a controller 10, a first bearing seat 4, a second bearing seat 5, an inner hexagon bolt 20, a transmission shaft 3, a turbine 6, a worm 7, a first bearing seat 4 and a second bearing seat 5, wherein the second bearing seat 5 is fixed on a support platform 8, an output shaft of the turbine 6 is fixedly connected with the transmission shaft 3 through the inner hexagon bolt and is supported by 2 bearing seats, one end of the transmission shaft extends out of the protective cover, and a spigot and a bolt hole are processed at the end of the transmission shaft for fixing the engine connecting plate 2. The selection of the worm gear is determined according to the weight of the engine. A bracket 16 is fixed to one side of the support platform 8.
Referring to fig. 4, a three-phase induction motor 18 is fixed on a bracket 16, and an input shaft of the worm 7 is connected and fixed with the three-phase induction motor 18 by a coupler 17. The controller 9 of the three-phase induction motor is fixed behind the base 14, and the control switch 10 is fixed at a position convenient for an operator to operate at one side of the protection cover 12.
A shield 12 is bolted to the support platform 8 to protect the cleaning of the internal components. An air gun (or electric gun) device and a tool tray for assembling and disassembling an engine are arranged outside the protective cover.
Referring to fig. 3, a wrench holder 19 is installed outside the shield, and a tool for a wind gun (or an electric gun) can be attached to and detached from the holder when the engine is detached. On top of the shield 12 a tool tray 11 is placed.
Examples
Main performance parameters of the engine overturning rack are as follows: the rated load is 1000Kg, the worm gear transmission ratio is 1:50, and the center height of the rack is 800mm (700 plus 1000mm height is all available, mainly considering the overturning of the engine and the convenient operation of personnel).
The design of the base assembly mainly determines the material, thickness and strength standard of each component according to the weight of an engine, the material selected for the box body base and the speed reducer supporting base is Q235-A, the thickness is 30mm, the box body base and the speed reducer supporting base can bear more than one ton, the working condition of the site and the operation safety are fully considered, the base is fixed to the ground through 6 expansion bolts, the stand column selects a seamless steel pipe with the wall thickness of 20mm, the actual working height of an operator is considered, therefore, the center height of the designed rack is 800mm, the requirement of the overturning height of the engine is met, and meanwhile, the actual operation of the operator is facilitated.
The purpose of selecting the worm gear is to utilize the speed reduction principle and the self-locking function of the worm gear, so that the requirement that the engine rotates at any angle is met, the worm gear can be self-locked at any angle, and multi-angle observation and assembly are facilitated. The output shaft of the turbine is connected with the transmission shaft through a bolt, the transmission shaft bears the whole mass of the engine, and the transmission shaft made of phi 80mm material is 38CrMoAl, so that the rigidity of the transmission shaft is ensured. In order to guarantee the reliability of the cantilever of the turbine output shaft, 2 bearing seats are used as supports, and the overall reliability is improved. The three-phase induction motor and the controller are configured for reducing the operation intensity of workers, the three-phase induction motor drives the input shaft of the worm, the three-phase induction motor and the input shaft are connected and fixed through the coupler, the final output rotating speed is 1.1 r/min, and the controller leads out a control switch to be placed at a position convenient to operate.
An oil collecting tray can be placed on the base of the engine overturning rack, so that engine oil and antifreeze fluid flowing out when the engine after a test is disassembled can be collected conveniently.
The left side and the right side of the engine overturning rack protective cover are provided with pneumatic (electric) wrench supports, tools are convenient to place, and a tray is placed at the top of the engine overturning rack protective cover and used for storing wrenches or small parts.
The engine overturning rack can be connected with different engine connecting plates, and can meet the use requirements of various types.
The engine overturning rack meets the assembly and the engine maintenance requirements of light, medium and heavy engines.
The utility model discloses the stand can adopt square structure. The arrangement of the output shaft connecting holes can be changed from circumferential uniform distribution to parallel arrangement. The arrangement of the motor and the controller is adjustable.
The utility model discloses a fix the base with the inflation screw on ground, make the output shaft to the height adjustment degree broad on ground, make the high ratio of upset rack more reasonable, make things convenient for operating personnel work. The overturning rack is fixed to the ground, so that the problem that the base is longer due to the fact that the balance degree of the roller type overturning rack is increased is solved, and the problem that the occupied space is large is solved. Roller type roll-over table makes the rack produce when fastening bolt because the torsion when the bolt is turned round tightly and removes, the utility model provides a rack removal problem, safe and reliable.
The utility model discloses transmission shaft end simple structure can use with the cooperation of different engine connecting plates, has very strong suitability, commonality. The requirements of dismounting and maintenance of various engines are met.
The utility model discloses chooseed for use the parameter of the worm gear of reasonable velocity ratio, can make the engine carry out 360 degrees random rotations and auto-locks to utilize three-phase induction machine drive tilting mechanism, reduced operator's intensity of labour, improved work efficiency.
Claims (7)
1. The utility model provides an engine dismouting is with upset rack which characterized in that: comprises a base assembly and a turnover mechanism;
the turnover mechanism comprises a turbine (6), a worm (7), a transmission shaft (3), a first bearing seat (4), a second bearing seat (5), a three-phase induction motor (18) and a coupler (17);
the worm wheel (6), the worm (7), the first bearing seat (4) and the second bearing seat (5) are fixed on a supporting platform (8) of the base assembly, an output shaft of the worm wheel (6) is fixedly connected with one end of the transmission shaft (3) and is supported by the first bearing seat (4) and the second bearing seat (5), and the other end of the transmission shaft (3) is fixed with the engine connecting plate (2); the input shaft of the worm (7) is fixedly connected with the three-phase induction motor (18) through a coupler (17).
2. The engine mounting/dismounting roll-over stand according to claim 1, characterized in that:
the base assembly consists of a base (14), a stand column (13) and a supporting platform (8); the base (14) is fixed on the ground by a flat plate with a certain thickness by using expansion bolts, a cylindrical upright column (13) is welded on the base, a supporting platform (8) is welded on the upright column, and reinforcing ribs are welded among the upright column, the base and the supporting platform.
3. The overturning stand for mounting and dismounting an engine according to claim 2, characterized in that:
the turnover mechanism also comprises a bracket (16), a controller (9) and a control switch (10);
the bracket (16) is fixed to one side of a supporting platform (8), and a protective cover (12) is arranged on the supporting platform (8);
the three-phase induction motor (18) is fixed on the support (16), the controller (9) is a controller of the three-phase induction motor (18), the control switch (10) is a control switch of the three-phase induction motor (18), the controller (9) of the three-phase induction motor is fixed behind the base (14), and the control switch (10) of the three-phase induction motor is fixed on one side of the protective cover (12).
4. The overturning stand for mounting and dismounting an engine according to claim 3, characterized in that:
the protection casing is stretched out to transmission shaft (3) one end, and the terminal surface is equipped with tang and bolt hole for fixed engine connecting plate (2) is connected with various engines through corresponding engine connecting plate (2).
5. The overturning stand for mounting and dismounting an engine according to claim 4, characterized in that:
and wrench supports (19) are arranged on two sides of the protective cover.
6. The overturning stand for mounting and dismounting an engine according to claim 5, characterized in that:
the overturning rack for assembling and disassembling the engine further comprises an oil collecting tray (15), and the oil collecting tray (15) is placed on the base (14).
7. The overturning stand for mounting and dismounting an engine according to claim 6, characterized in that:
the overturning rack for assembling and disassembling the engine further comprises a tray (11), and the tray (11) is placed at the top of the protective cover (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921760100.9U CN211466309U (en) | 2019-10-21 | 2019-10-21 | Overturning rack for engine disassembly and assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921760100.9U CN211466309U (en) | 2019-10-21 | 2019-10-21 | Overturning rack for engine disassembly and assembly |
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| Publication Number | Publication Date |
|---|---|
| CN211466309U true CN211466309U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921760100.9U Active CN211466309U (en) | 2019-10-21 | 2019-10-21 | Overturning rack for engine disassembly and assembly |
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| CN (1) | CN211466309U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043234A (en) * | 2021-04-20 | 2021-06-29 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Three-dimensional rotation experiment platform with lifting function |
| CN114279705A (en) * | 2021-11-16 | 2022-04-05 | 青岛核工机械有限公司 | Speed reducer upset examination board |
-
2019
- 2019-10-21 CN CN201921760100.9U patent/CN211466309U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043234A (en) * | 2021-04-20 | 2021-06-29 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Three-dimensional rotation experiment platform with lifting function |
| CN114279705A (en) * | 2021-11-16 | 2022-04-05 | 青岛核工机械有限公司 | Speed reducer upset examination board |
| CN114279705B (en) * | 2021-11-16 | 2022-11-01 | 青岛核工机械有限公司 | Speed reducer upset examination board |
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