CN112623436A

CN112623436A - Rotary bearing mechanism and engine split charging tray

Info

Publication number: CN112623436A
Application number: CN202011248450.4A
Authority: CN
Inventors: 秦红英; 文国伟; 钱军; 叶芹; 周洲
Original assignee: Dongfeng Motor Corp
Current assignee: Dongfeng Motor Corp
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-04-09

Abstract

The invention discloses a rotary bearing mechanism and an engine split charging tray, wherein the rotary bearing mechanism comprises a tray base, a rotating shaft, a bearing plate, a rotary bearing plate and more than 3 bearing stress components, the tray base, the bearing stress components, the rotary bearing plate and the bearing plate are sequentially arranged from bottom to top to form a multilayer bearing structure, the rotating shaft is rotatably connected with the tray base or the bearing plate, the rotary bearing plate is fixedly connected with the bearing plate, and the bearing plate, the tray base and the rotary bearing plate are connected into a bearing main body through the rotating shaft, so that the effects of bearing a load and stably bearing an engine and a speed changer are realized. The rotary bearing disc is sleeved on the bearing stress components, so that the rotary bearing mechanism has better rotation stability. The rotary bearing mechanism can also realize the technical effects of preventing the bearing plate from inclining and avoiding the whole rotary bearing mechanism from overturning or the engine and the transmission from sliding down through the matching of the rotary bearing plate and the plurality of bearing stress components.

Description

Rotary bearing mechanism and engine split charging tray

Technical Field

The application belongs to the technical field of automobile assembling tools, and particularly relates to a rotary bearing mechanism and an engine split charging tray.

Background

The split charging of the engine and the transmission is a necessary flow of a split charging line of an automobile engine, and the engine and the transmission are required to be placed on a split charging tray according to vehicle type classification during split charging so as to be used for assembly work of operators of the split charging line.

Generally, a tray is a fixed structure formed by welding, a support bracket matched with the shape of an engine and a transmission is directly welded on a tray base, and the support bracket and the tray are integrated into a whole.

Because engine and gearbox support bracket are fixed through the welded mode with the tray base, unable rotation and redirecting between each layer to lead to the partial shipment operation must be accomplished in the both sides of partial shipment tray jointly by at least two people respectively, consequently increased the human cost, and need reserve great operating space, increased the area of whole production line. And a part of the assembly positions cannot be changed due to the tray angle, thereby causing difficulty in the work of an operator and further reducing the production efficiency.

Disclosure of Invention

In order to solve the technical problem, the invention provides a rotary bearing mechanism and an engine split charging tray, which can adapt to multi-angle assembly operation.

The technical scheme adopted for realizing the purpose of the invention is that the rotary bearing mechanism comprises a tray base, a rotating shaft, a bearing plate, a rotary bearing plate and more than 3 bearing stress components, wherein: the rotating shaft is arranged on the tray base, the bearing plate is arranged on the upper part of the rotating shaft, and the rotating shaft is rotatably connected with the tray base or the bearing plate;

the rotary bearing disc is sleeved on the rotating shaft and positioned between the tray base and the bearing plate, and the rotary bearing disc is fixedly connected with the bearing plate; the rotary bearing disc is provided with a hollow circular cavity, and the rotary bearing disc is sleeved on the bearing stress assembly through the circular cavity;

more than 3 bearing stress components are distributed at intervals along the circumferential direction of the same circle and are installed and fixed on the tray base, more than 3 bearing stress components are all positioned in the circular cavity, and a rotating gap is formed between each bearing stress component and the side wall of the circular cavity; the bearing stress assembly comprises a roller, and a rolling surface of the roller is in rotating contact with the cavity bottom of the round cavity.

Optionally, the rotary bearing mechanism further comprises a limiting assembly, the limiting assembly is mounted on the tray base and located beside the rotary bearing disc, more than 2 limiting holes are formed in the outer circle side face of the rotary bearing disc in a spaced distribution mode, the limiting assembly is provided with a limiting rod, and the limiting end of the limiting rod extends into the limiting hole.

Optionally, the limiting assembly comprises a limiting mounting seat, a limiting rod, an operating rod and a limiting elastic element, wherein: the limiting mounting seat is fixed on the tray base, and the limiting rod is movably mounted in the limiting mounting seat; the operating rod is arranged on the tray base or the limiting mounting seat through a hinged support to form a lever mechanism, and the resistance point of the operating rod is rotationally connected with the connecting end of the limiting rod; one end of the limiting elastic element is connected with the limiting mounting seat or the tray base, the other end of the limiting elastic element is connected with the limiting rod, and when the limiting end of the limiting rod extends into the limiting hole, the limiting elastic element is in a compressed state or a natural state.

Optionally, the limiting assembly comprises two operating rods, and the two operating rods are distributed on two sides of the limiting rod; the U-shaped forks are arranged at the resistance points of the two operating rods, the pin shaft is installed at the connecting end of the limiting rod and inserted into the U-shaped forks of the two operating rods.

Optionally, the outer circle side surface of the rotary bearing disc is provided with 4 limiting holes, and the 4 limiting holes are distributed at equal intervals.

Optionally, the bearing and stress bearing assembly includes a mounting seat, a roller and the roller, the roller is rotatably connected with the roller or the mounting seat, the roller is vertically mounted on the mounting seat through the roller, and the roller faces outwards and faces the side wall of the circular cavity;

the roller is cylindrical, the outer circular surface of the roller is in rotational contact with the cavity bottom of the circular cavity, a boss is arranged on the vertical end face of the roller, and a rotational gap is formed between the outer end face of the roller and the side wall of the circular cavity and is 4-8 mm.

Optionally, the rotary bearing mechanism further comprises a bearing connecting seat, the bearing connecting seat is rotatably installed on the upper portion of the rotating shaft, a limiting plate is arranged at the top end of the rotating shaft, the bearing plate is installed on the bearing connecting seat, and the bearing plate is located between the bearing connecting seat and the limiting plate.

Based on the same inventive concept, the invention also provides an engine split charging tray which comprises an engine supporting assembly, a transmission supporting seat and the rotary bearing mechanism, wherein the engine supporting assembly and the transmission supporting seat are both arranged on the bearing plate of the rotary bearing mechanism.

Optionally, the engine support assembly includes an engine support base and an engine support module, the engine support base is mounted on the bearing plate through a support column, and the engine support module is detachably mounted on the engine support base.

Optionally, a lock hole is formed in the engine support module, and a protruding check point is arranged on the lock hole;

the engine split charging tray further comprises a locking mechanism, and the locking mechanism is arranged on the bearing plate; the locking mechanism comprises a shifting lever, a shifting pin, a connecting piece and a locking elastic element, the shifting lever, the shifting pin and the connecting piece are fixedly connected, and the shifting pin is inserted into the lock hole and can rotate in the lock hole; one end of the locking elastic element is connected with the engine support base or the bearing plate, the other end of the locking elastic element is connected with the connecting piece, and when the shifting pin is inserted into the lock hole and locked through the check point, the locking elastic element is in a compressed state or a natural state.

According to the technical scheme, the rotary bearing mechanism comprises a tray base, a rotating shaft, a bearing plate, a rotary bearing plate and more than 3 bearing stress components, wherein the tray base, the bearing stress components, the rotary bearing plate and the bearing plate are sequentially arranged from bottom to top to form a multi-layer bearing structure, the rotating shaft is installed on the tray base, the bearing plate is installed on the upper portion of the rotating shaft, the rotating shaft is rotatably connected with the tray base or the bearing plate, the rotary bearing plate is fixedly connected with the bearing plate, and the bearing plate, the tray base and the rotary bearing plate are connected through the rotating shaft to form a bearing main body, so that the effects of bearing load and stably supporting an engine and a transmission are achieved. In the bearing main body, the rotary bearing disc is the most main bearing stress component, and the rotary bearing disc is sleeved on the plurality of bearing stress components and transmits pressure to the plurality of bearing stress components, so that the rotary bearing mechanism has better rotation stability.

More importantly, in the rotary bearing mechanism provided by the invention, through the matching of the rotary bearing disc and the plurality of bearing stress components, the technical effects of preventing the bearing plate from inclining and avoiding the overturning of the whole rotary bearing mechanism or the slipping of the engine and the transmission can be realized. Specifically, the rotary bearing disc is provided with a hollow round cavity, and the rotary bearing disc is sleeved on the plurality of bearing stress components through the round cavity; the bearing stress components are distributed along the same circular circumference at intervals, the rolling surfaces of the rollers of the bearing stress components are in rotating contact with the cavity bottom of the circular cavity, stable support is provided for the rotating bearing disc, a rotating gap is reserved between each bearing stress component and the side wall of the circular cavity, the rotating bearing disc can freely rotate relative to the bearing stress components by setting the rotating gap, meanwhile, the rotating bearing disc is sleeved on the bearing stress components, when the rotating bearing disc generates overturning torque due to uneven stress, the bearing stress components can timely block the inclination trend of the rotating bearing disc, and therefore the technical effects of preventing the bearing plate from inclining, avoiding the overturning of the whole rotating bearing mechanism or an engine and a transmission from sliding are achieved.

The engine split charging tray provided by the invention comprises an engine supporting assembly, a transmission supporting seat and the rotary bearing mechanism, wherein the engine supporting assembly and the transmission supporting seat are both arranged on a bearing plate of the rotary bearing mechanism. In addition, in the engine split charging tray provided by the invention, the tray base and the supporting bracket (the engine supporting assembly and the transmission supporting seat) can rotate freely, so that the multi-angle assembling operation is adapted, an operator can complete the whole assembling operation by one person, the operating space is effectively saved, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a rotary load bearing mechanism in embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of the rotary loading mechanism of FIG. 1 with the tray base removed;

FIG. 3 is a schematic structural view of the rotary loading mechanism of FIG. 1 with the loading plate removed;

FIG. 4 is a structural diagram of the assembly of the rotary load bearing disk and the plurality of load bearing force bearing components in the rotary load bearing mechanism of FIG. 1;

FIG. 5 is a schematic structural diagram of a load-bearing assembly in the rotary load-bearing mechanism of FIG. 1;

FIG. 6 is a schematic structural view of a limiting assembly in the rotary bearing mechanism of FIG. 1;

FIG. 7 is a view showing an assembled structure of a position-limiting rod and an operation rod in the position-limiting assembly of FIG. 6;

fig. 8 is a schematic structural view of an engine split charging tray in embodiment 2 of the present invention;

FIG. 9 is a schematic structural view of the engine racking tray of FIG. 8 with the engine support module removed;

FIG. 10 is a schematic illustration of the structure of an engine support module in the engine racking tray of FIG. 8;

FIG. 11 is an assembled view of the locking mechanism and engine support base of the engine racking tray of FIG. 8;

FIG. 12 is a schematic view of the locking mechanism of the engine racking tray of FIG. 8.

Description of reference numerals: 100-a rotary carrying mechanism; 110-a tray base; 120-a carrier plate; 130-a rotary bearing disc, 131-a limiting hole, 132-a round cavity and 133-a side wall; 140-bearing stress assembly, 141-roller, 1411-boss, 142-mounting seat and 143-roller; 150-limit component, 151-limit mounting seat, 152-limit rod, 153-operating rod, 154-limit elastic element; 160-rotating shaft; 170-carrying connection seat; 180-anti-collision plate, 181-anti-collision block.

200-an engine split tray; 210-an engine support module, 220-an engine support base, 230-a transmission support base; 240-locking mechanism, 241-rod, 242-pin, 243-connecting piece, 244-cross-bar, 245-locking elastic element, 246-U-shaped seat and 247-bolt.

Detailed Description

In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments.

In order to solve the defects that in the prior art, a supporting bracket and a bottom tray structure are welded and fixed and cannot rotate relatively, so that the subpackaging operation needs to be finished by at least two persons on two sides of the subpackaging tray together, the invention provides a rotary bearing mechanism, and the basic inventive concept is as follows:

the utility model provides a rotatory mechanism that bears, includes tray base, axis of rotation, loading board, rotatory bearing disc and bear the weight of the atress subassembly more than 3, wherein: the rotating shaft is arranged on the tray base, the bearing plate is arranged on the upper part of the rotating shaft, and the rotating shaft is rotatably connected with the tray base or the bearing plate; the rotary bearing disc is sleeved on the rotating shaft, is positioned between the tray base and the bearing plate and is fixedly connected with the bearing plate; the rotary bearing disc is provided with a hollow round cavity, and the rotary bearing disc is sleeved on the bearing stress assembly through the round cavity; more than 3 bearing stress components are distributed at intervals along the circumferential direction of the same circle and are installed and fixed on the tray base, more than 3 bearing stress components are all positioned in the circular cavity, and a rotating gap is formed between each bearing stress component and the side wall of the circular cavity; the bearing stress assembly comprises a mounting seat, a rolling shaft and a roller, the rolling shaft is rotatably connected with the roller or the mounting seat, the roller is vertically arranged on the mounting seat through the rolling shaft, and the rolling surface of the roller is in rotary contact with the cavity bottom of the round cavity.

This rotatory mechanism of bearing bears the weight of through with the tray base, bear the weight of the atress subassembly, rotatory bear dish and loading board by supreme setting gradually down, form multilayer and bear the weight of the structure, the axis of rotation rotates with tray base or loading board to rotatory bear dish and loading board fixed connection, bear the weight of the dish by the axis of rotation with loading board, tray base and rotation and be connected as one and bear the main part, realize bearing heavy burden, the effect of stable bearing engine and derailleur. The rotary bearing disc is sleeved on the bearing stress components and transmits pressure to the bearing stress components, so that the rotary bearing mechanism has better rotation stability. The rotary bearing mechanism can also realize the technical effects of preventing the bearing plate from inclining and avoiding the whole rotary bearing mechanism from overturning or the engine and the transmission from sliding down through the matching of the rotary bearing plate and the plurality of bearing stress components.

For clear understanding of the technical solution of the present invention, the following describes the technical solution of the present invention in detail with reference to two exemplary embodiments:

example 1:

the embodiment of the invention provides a rotary bearing mechanism 100, the structure of which is shown in fig. 1 to 3, and specifically comprises a tray base 110, a rotating shaft 160, a bearing plate 120, a rotary bearing disc 130 and more than 3 bearing force-bearing components 140, wherein the tray base 110, the bearing force-bearing components 140, the rotary bearing disc 130 and the bearing plate 120 are sequentially arranged from bottom to top to form a multilayer bearing structure, the rotating shaft 160 is rotatably connected with the tray base 110 or the bearing plate 120, the rotary bearing disc 130 is fixedly connected with the bearing plate 120, and the bearing plate 120, the tray base 110 and the rotary bearing disc 130 are connected into a bearing main body through the rotating shaft 160, so that the effects of loading and stably bearing an engine and a transmission are realized. The rotary bearing disc 130 is sleeved on the plurality of bearing force-bearing components 140, and transmits the pressure to the plurality of bearing force-bearing components 140, so that the rotary bearing mechanism 100 has better rotational stability. The structure of each component of the rotary carrier mechanism 100 is described in detail below:

referring to fig. 1 to 3, the tray base 110 is a mounting base of the entire rotary carrier 100, and in practical applications, the tray base 110 contacts a conveyor line of an automobile assembly line, and the entire rotary carrier 100 is automatically conveyed forward by the conveyor line. The tray base 110 is a long body, and 2 anti-collision plates 180 are respectively disposed at both ends of the long body, and an anti-collision block 181 is disposed at an outer end of the anti-collision plate 180, as shown in fig. 3. The anti-collision plate 180 and the anti-collision block 181 are made of non-metal materials, such as resin blocks, rubber, etc., to prevent the tray base 110 and the structures mounted thereon from being damaged.

Referring to fig. 1 to 3, the rotating shaft 160 is installed on the tray base 110, the carrier plate 120 is installed on the upper portion of the rotating shaft 160, and the rotating shaft 160 is rotatably connected with the tray base 110 or the carrier plate 120. Specifically, one end of the rotating shaft 160 may be rotatably connected to the tray base 110 or the bearing plate 120 through a bearing, and the other end of the rotating shaft may be fixedly connected to the bearing plate 120 or the tray base 110. The bearing connection seat 170 is installed on the upper portion of the rotation shaft 160, the bearing connection seat 170 is installed on the upper portion of the rotation shaft 160 through a bearing, referring to fig. 3 and 11, in this embodiment, the top end of the rotation shaft 160 is provided with a limiting plate 161, the bearing connection seat 170 is fixedly connected with the bearing plate 120, and the bearing plate 120 is located between the bearing connection seat 170 and the limiting plate 161, and the bearing connection seat 170 and the limiting plate 161 jointly position the bearing plate 120.

Referring to fig. 1 to 3, the rotary bearing disc 130 is sleeved on the rotating shaft 160, the rotary bearing disc 130 is located between the tray base 110 and the bearing plate 120, the rotary bearing disc 130 is fixedly connected to the bearing plate 120, and the rotary bearing disc 130 is a main force-bearing member of the entire rotary bearing mechanism 100. Referring to fig. 4, the rotary carrier plate 130 is a disk shape having a hollow circular cavity 132, the rotary carrier plate 130 is sleeved on the load bearing assembly 140 through the circular cavity 132, the load bearing assembly 140 contacts with the bottom plane of the circular cavity 132 for force transmission, and the side wall 133 of the rotary carrier plate 130 mainly plays a role of preventing overturning.

Referring to fig. 1 to fig. 3, the number of the load-bearing assemblies 140 in the rotary load-bearing mechanism 100 should be 3 or more, so as to ensure that the plurality of load-bearing assemblies 140 form a stable bearing surface, and the number of the load-bearing assemblies 140 is determined according to actual needs.

Referring to fig. 4, taking 4 bearing force-bearing assemblies 140 as an example, the 4 bearing force-bearing assemblies 140 are distributed at intervals along the circumference of the same circle, and are mounted and fixed on the tray base 110, and in order to ensure balanced force, the 4 bearing force-bearing assemblies 140 are preferably distributed on four quadrant points of the circle. The 4 bearing stress components 140 are all located in the circular cavity 132, a rotating gap is formed between the bearing stress components 140 and the side wall 133 of the circular cavity 132, a roller 141 is arranged in the bearing stress components 140, and the rolling surface of the roller 141 is in rotating contact with the cavity bottom of the circular cavity 132 to realize force transmission. The bearing force-bearing assembly 140 may be any conventional support structure with rollers 141, and the specific structure of the bearing force-bearing assembly 140 is not limited in the present invention.

Specifically, referring to fig. 5, in this embodiment, the bearing force receiving assembly 140 includes a mounting seat 142, a roller 143, and a roller 141, the roller 143 is rotatably connected to the roller 141 or the mounting seat 142, specifically, one end of the roller 143 is rotatably connected to the roller 141 or the mounting seat 142, and the other end of the roller 143 is fixedly connected to the mounting seat 142 or the roller 141, in this embodiment, the mounting seat 142 is L-shaped, a horizontal plate of the mounting seat is fixedly mounted on the tray base 110 through a bolt, the roller 143 penetrates through a vertical plate of the mounting seat 142 and is locked by the bolt 144, and the roller 141 and the roller 143 are rotatably matched through a revolute pair.

Referring to fig. 4, a rotation gap a is formed between each bearing force-bearing component 140 and the sidewall 133 of the circular cavity 132, the rotation bearing disc 130 can rotate freely relative to the bearing force-bearing component 140 by setting the rotation gap a, and meanwhile, because the rotation bearing disc 130 is sleeved on the plurality of bearing force-bearing components 140, when the rotation bearing disc 130 generates overturning torque due to uneven stress, the bearing force-bearing components 140 can timely block the inclination tendency of the rotation bearing disc 130, thereby achieving the technical effects of preventing the inclination of the bearing plate 120 and preventing the overturn of the whole rotation bearing mechanism 100 or the sliding of the engine and the transmission.

Specifically, in this embodiment, the roller 141 is cylindrical, the roller 141 is vertically installed on the installation base 142 through the roller 143, the roller 141 faces outward and faces the side wall 133 of the circular cavity 132, and the rolling surface of the roller 141 is in rotational contact with the cavity bottom of the circular cavity 132, so as to reduce the rotational resistance of the rotary bearing disc 130. A rotating gap A is formed between the vertical end face of the roller 141 and the side wall 133 of the circular cavity 132, if the rotating gap A is too small, the assembly of the rotary bearing disc 130 and the bearing stress assembly 140 is not facilitated, if the rotating gap A is too large, after the rotary bearing disc 130 and the bearing stress assembly 140 are assembled, the horizontal degree of freedom of the rotary bearing disc 130 is too large, the whole rotary bearing mechanism 100 can obviously shake, the factors are comprehensively considered, the rotating gap A is preferably 4-8 mm, and the rotating gap A is 5-6.5 mm in the embodiment.

In order to further improve the overturn prevention effect, referring to fig. 5, as a preferred embodiment, a boss 1411 is provided on the vertical end surface of the roller 141. The rotating clearance between the outer end face of the roller 141, namely the surface which is not covered by the boss 1411 on the vertical end face and the end face of the boss 1411 and the side wall 133 of the circular cavity 132 is controlled to be 4-8 mm. The boss 1411 can exactly compensate for the gap between the vertical end surface of the roller 141 and the inner circular side surface of the rotary carrier plate 130, and when the rotary carrier plate 130 is stressed unevenly to generate overturning torque, the boss 1411 firstly contacts with the side wall 133 of the rotary carrier plate 130 to prevent the rotary carrier plate 130 from inclining.

Considering that the engine and the transmission need to be separately assembled in a multi-angle manner, referring to fig. 1 to 3, as a preferred embodiment, the rotary bearing mechanism 100 further includes a limiting component 150, the limiting component 150 is installed on the tray base 110 and is located beside the rotary bearing disc 130, the outer circumferential side surface of the rotary bearing disc 130 is provided with more than 2 limiting holes 131 distributed at intervals, in this embodiment, the outer circumferential side surface of the rotary bearing disc 130 is provided with 4 limiting holes 131, the 4 limiting holes 131 are distributed at intervals, that is, an included angle between two adjacent limiting holes 131 is 90 °. The limiting assembly 150 has a limiting rod 152, and the limiting end of the limiting rod 152 extends into the limiting hole 131, so that the rotating bearing disc 130 is limited, and the rotating bearing disc 130 is prevented from rotating in the operation process. The limiting component 150 can adopt any existing bolt moving mechanism, the function of extending the limiting rod 152 can be realized, and the specific structure of the limiting component 150 is not limited in the invention.

Specifically, referring to fig. 6, in the present embodiment, the limiting assembly 150 includes a limiting mounting seat 151, a limiting rod 152, an operating rod 153 and a limiting elastic element 154, the limiting mounting seat 151 is fixed on the tray base 110, a support 158 is disposed on the limiting mounting seat 151, and the limiting rod 152 is movably mounted in the support 158 of the limiting mounting seat 151; the operating rod 153 is mounted on the limit mounting seat 151 or the tray base 110 through a hinged support 155 to form a lever mechanism, preferably a labor-saving lever, and the resistance point of the operating rod 153 is rotationally connected with the connecting end of the limit rod 152; one end of the limiting elastic element 154 is connected with the mounting seat or the tray base 110, and the other end is connected with the limiting rod 152, when the limiting end 1521 of the limiting rod 152 extends into the limiting hole 131, the limiting elastic element 154 is in a compressed state or a natural state, the limiting elastic element 154 can adopt any part with elasticity, such as a spring, a clockwork spring, an elastic sheet and the like, in the embodiment, the spring is preferred, the spring is sleeved on the limiting rod 152, one end of the spring is fixed in the support 158, and the other end of the spring is fixedly connected with the limiting rod 152.

Preferably, the limiting assembly 150 includes two operating rods 153, and the two operating rods 153 are distributed on two sides of the limiting rod 152, so that two persons can operate simultaneously. The resistance points of the two operating rods 153 are provided with U-shaped forks 156, the connecting end of the limiting rod 152 is provided with a pin 157, and the pin 157 is inserted into the U-shaped forks 156 of the two operating rods 153, as shown in fig. 7. When any one of the operation levers 153 is toggled, the U-shaped fork 156 of the operation lever 153 toggles the pin 157, and overcomes the pulling force of the limiting elastic element 154 to pull the limiting rod 152 fixedly connected with the pin 157 backward, so that the limiting rod 152 is separated from the limiting hole 131 of the rotary bearing disc 130, and the rotary bearing disc 130 can be rotated to switch the operation direction at this time. When the operating rod 153 is released, the limiting rod 152 is automatically inserted into the limiting hole 131 by the restoring force of the limiting elastic element 154, so as to limit the rotation bearing disc 130. The limiting hole 131 is preferably an arc-shaped hole, the end face of the limiting end of the limiting rod 152 is preferably an arc-shaped surface, and the structure of the arc-shaped surface fit can enable the limiting rod 152 to smoothly slide into the limiting hole 131 when the rotary bearing disc 130 rotates.

Example 2:

based on the same inventive concept, the present embodiment provides an engine split charging tray, the structure of which is shown in fig. 8 and fig. 9, and the engine split charging tray includes an engine support assembly, a transmission support base 230 and the rotary bearing mechanism 100 of embodiment 1, the engine support assembly and the transmission support base 230 are both mounted on the bearing plate 120 of the rotary bearing mechanism 100, and the specific structure of the rotary bearing mechanism 100 refers to embodiment 1, and details thereof are not repeated herein.

Referring to fig. 8 and 11, in the present embodiment, the engine support assembly includes an engine support base 220 and an engine support module 210, the engine support base 220 is mounted on the bearing plate 120 through a support column 250, the engine support module 210 is detachably mounted on the engine support base 220, the engine support module 210 is specially configured, the size of the engine support module 210 should be matched with the size of the engine supported by the engine support module 210, and the specific structure of the engine support module 210 should completely match with the external shape of the engine supported by the engine support module, so that the engine support module 210 is specially configured for different types of engines.

In order to facilitate replacement of the engine support module 210, as a preferred embodiment, the engine support module 210 is provided with a lock hole 211 and a plurality of positioning holes (not shown), as shown in fig. 10 and 11, a corresponding number of positioning posts 222 are provided on the engine support base 220, and after the engine support module 210 is mounted on the engine support base 220, the positioning posts 222 are inserted into the positioning holes of the engine support module 210 to limit rotation and horizontal translation of the engine support module 210. The locking hole 211 is used for locking and unlocking the engine support module 210, and a protruding check point 212 is provided on the locking hole 211.

Referring to fig. 9, as a preferred embodiment, the engine split charging tray further comprises a locking mechanism 240, and the locking mechanism 240 is mounted on the carrier plate 120 and is matched with the locking hole 211 and the check point 212 of the engine support module 210 to lock and unlock the engine support module 210.

Specifically, referring to fig. 11 and 12, the locking mechanism 240 includes a shift lever 241, a shift pin 242, a connecting member 243 and a locking elastic element 245, the shift lever 241, the shift pin 242 and the connecting member 243 are fixedly connected by a fixing pin 249 having a rotation stop plane, the shift pin 242 is inserted into the locking hole 211 and can rotate in the locking hole 211, and the end of the shift pin 242 is provided with a cross bar 244 for cooperating with the locking hole 211 and the check point 212; one end of the locking elastic element 245 is connected to the engine supporting base 220 or the bearing plate 120, the other end is connected to the connecting member 243, when the pin 242 is inserted into the lock hole and locked by the check point, the locking elastic element 245 is in a compressed state or a natural state, the locking elastic element 245 can adopt any elastic component, such as a spring, a spiral spring, an elastic sheet, and the like, the embodiment is preferably a spring, one end of the spring is fixed on the engine supporting base or the bearing plate 120, the other end is connected to a U-shaped seat 246, a bolt 247 is arranged on the U-shaped seat 246, and the bolt 247 is inserted into the connecting member 243 and is in interference fit with the connecting member 243.

For convenience of operation, in this embodiment, two shift levers 241 of the locking mechanism 240 are also provided, two shift pins 242 are respectively installed on the two shift levers 241, and the two shift levers 241 and the two shift pins 242 are both fixedly connected through a connecting member 243, so as to facilitate operation by two persons. Because the connecting member 243 is long, a bracket 248 may be provided on the engine support base 220 or the carrier plate 120 to support the connecting member 243.

Through the embodiment, the invention has the following beneficial effects or advantages:

1) according to the rotary bearing mechanism and the engine split charging tray, the engine supporting assembly and the transmission supporting seat can rotate 360 degrees and are fixed at the preset angle, so that the mounting angle can be adjusted at multiple angles, the connecting points of the engine and the transmission on two sides can be fastened under the condition that the positions of personnel are not changed, one operator is saved at the same station, the assembling efficiency of the engine is improved, and the production and manufacturing cost is reduced.

2) According to the rotary bearing mechanism and the engine split charging tray provided by the invention, the rotary bearing mechanism is arranged at the bottom of the rotary bearing tray to assist the rotary bearing tray to rotate, so that the rotary bearing tray can flexibly rotate on the tray base.

3) According to the rotary bearing mechanism and the engine split charging tray, the rotary bearing tray can be positioned by pulling the operating rod, and the rotary bearing structure is positioned by the operating rod with longer length, so that the force required by rotation is smaller, the operation can be completed by one person, and the workload of operators is saved.

4) According to the rotary bearing mechanism and the engine split charging tray, the limiting elastic element can enable the limiting rod to automatically limit the rotary bearing tray, and an operator does not need to manually position, so that the operation burden of the operator is reduced.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A rotary bearing mechanism is characterized in that: including tray base, axis of rotation, loading board, rotatory bearing disc and 3 above bearing force assemblies, wherein: the rotating shaft is arranged on the tray base, the bearing plate is arranged on the upper part of the rotating shaft, and the rotating shaft is rotatably connected with the tray base or the bearing plate;

2. The rotary load bearing mechanism of claim 1, wherein: rotatory bearing mechanism still includes spacing subassembly, spacing subassembly install in on the tray base and be located rotatory bear the dish by, rotatory be provided with spacing hole of interval distribution more than 2 on the excircle side of bearing the dish, spacing subassembly has the gag lever post, the spacing end of gag lever post stretches into in the spacing hole.

3. The rotary carrier mechanism of claim 2, wherein: the spacing subassembly includes spacing mount pad spacing pole, action bars and spacing elastic element, wherein: the limiting mounting seat is fixed on the tray base, and the limiting rod is movably mounted in the limiting mounting seat; the operating rod is arranged on the tray base or the limiting mounting seat through a hinged support to form a lever mechanism, and the resistance point of the operating rod is rotationally connected with the connecting end of the limiting rod; one end of the limiting elastic element is connected with the limiting mounting seat or the tray base, the other end of the limiting elastic element is connected with the limiting rod, and when the limiting end of the limiting rod extends into the limiting hole, the limiting elastic element is in a compressed state or a natural state.

4. The rotary carrier mechanism of claim 3, wherein: the limiting assembly comprises two operating rods, and the two operating rods are distributed on two sides of the limiting rod; the U-shaped forks are arranged at the resistance points of the two operating rods, the pin shaft is installed at the connecting end of the limiting rod and inserted into the U-shaped forks of the two operating rods.

5. The rotary carrier mechanism of any one of claims 2 to 4, wherein: the excircle side of the rotary bearing disc is provided with 4 limiting holes, 4 limiting holes are distributed at equal intervals.

6. The rotary carrier mechanism of any one of claims 1 to 4, wherein: the bearing stress assembly comprises a mounting seat, a rolling shaft and the roller, the rolling shaft is rotatably connected with the roller or the mounting seat, the roller is vertically mounted on the mounting seat through the rolling shaft, and the roller faces outwards and faces towards the side wall of the circular cavity;

7. The rotary carrier mechanism of any one of claims 1 to 4, wherein: the rotary bearing mechanism further comprises a bearing connecting seat, the bearing connecting seat is rotatably installed on the upper portion of the rotating shaft, a limiting plate is arranged at the top end of the rotating shaft, the bearing plate is installed on the bearing connecting seat, and the bearing plate is located between the bearing connecting seat and the limiting plate.

8. The utility model provides an engine partial shipment tray which characterized in that: comprising an engine support assembly, a transmission support mount and the rotary load bearing mechanism of any one of claims 1-7, both the engine support assembly and the transmission support mount being mounted on the carrier plate of the rotary load bearing mechanism.

9. The engine split tray of claim 8, wherein: the engine supporting assembly comprises an engine supporting base and an engine supporting module, the engine supporting base is installed on the bearing plate through supporting columns, and the engine supporting module is detachably installed on the engine supporting base.

10. The engine split charging tray of claim 9, wherein: the engine supporting module is provided with a lock hole, and the lock hole is provided with a protruding non-return point;