CN216940347U

CN216940347U - Convertible impeller equipment frame

Info

Publication number: CN216940347U
Application number: CN202121497652.2U
Authority: CN
Inventors: 伍新荣; 谭华容; 游米兰; 许汉伟; 伍小娟
Original assignee: Hunan Lince Rolling Stock Equipment Co Ltd
Current assignee: Hunan Lince Rolling Stock Equipment Co Ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-07-12
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses a turnover type impeller assembling frame, which belongs to the field of electric locomotive accessory assembling and solves the problems that workers have poor working conditions in the current electric locomotive fan impeller assembling process and seriously restrict the improvement of the assembling precision, the product quality and the working efficiency of an impeller Low working efficiency and is not beneficial to physical and psychological health of workers.

Description

Convertible impeller equipment frame

Technical Field

The utility model belongs to the field of electric locomotive accessory assembly, and particularly relates to a turnover type impeller assembling frame.

Background

In the production process of electric locomotive fan accessories, an impeller is a key part of a rotating body, wherein a cast aluminum impeller is formed by combining a hub and an impeller body, the assembling process is very critical, the assembling precision and the tightening, anti-loosening and anti-loosening marks of a fastener are all key points, and various performance indexes of the fan in operation are directly influenced. For a large aluminum impeller, an impeller body and a hub of the large aluminum impeller are assembled by a traditional method of assembling after a rubber pad is padded on the ground, wherein workers need to squat and constantly bend down and stand up, and manually turn over the impeller for many times, after the assembly of a plurality of impellers is finished, the workers are exhausted, and the squat operation has extremely adverse effects on the physical and mental health of the workers.

Therefore, an object of the present invention is to provide a turnover type impeller assembling rack to solve the above problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a turnover type impeller assembling frame, which is used for solving the following technical problems:

the current electric locomotive fan impeller assembling process has the problems that the working conditions of workers are poor, and serious restrictions are generated on improving the assembling precision, the product quality and the working efficiency of the impeller.

In order to achieve the purpose, the utility model provides the following technical scheme:

a turnover type impeller assembling frame comprises a bottom plate, a turnover seat, a balancing weight and a braking limiting mechanism, wherein the top surface of the turnover seat is fixedly connected with a central shaft, the bottom surface of the turnover seat is fixedly connected with the balancing weight, the balancing weight is transversely provided with a connecting shaft in a penetrating manner, the axial lead of the connecting shaft coincides with the gravity center of a combination of the balancing weight and the turnover seat, a first gear is sleeved on the connecting shaft and is fixedly connected with the connecting shaft, bearings are arranged at the tail ends of the connecting shafts at two sides, the turnover seat is fixed in bearing seats at two sides through bearings at two ends, the bearing seats at two sides are divided into an upper cover and a lower base, the upper part and the lower part of the upper cover and the lower base are assembled and connected through screws, the base of the bearing seats are assembled and connected with side plates at two sides below through screws, and the two side plates are assembled and connected with the bottom plate below through screws;

the braking limiting mechanism comprises a control panel, a limiting block and a second gear, the control panel consists of a limiting wheel and a hand wheel, the limiting wheel is axially provided with a control rod in a penetrating manner, one end of the control rod is fixedly connected with the hand wheel, the other end of the control rod penetrates through a second through hole and is coaxially and fixedly connected with the second gear, the second gear is meshed with the first gear to form a gear pair, one side of the limiting block is fixedly connected with a support rod, the end part of the support rod is rotatably connected with a bearing seat, a spring is sleeved on the support rod, one end of the spring is fixed on the bearing seat, the other end of the spring is fixed on the limiting block, a plurality of grooves matched with the limiting block are uniformly formed in the circumferential direction of the limiting wheel, and the limiting block can be embedded into the grooves of the limiting wheel under the elastic force of the spring, so that the turning seat can be braked and limited; a copper sleeve is arranged in the second through hole, and the operating lever can freely rotate on the copper sleeve;

the turning base comprises a balancing weight, the balancing weight plays a role in dynamic balance when the turning base and the impeller turn, and connecting shafts are arranged on two sides of the balancing weight.

As a further scheme of the utility model: the first gear in the middle of the connecting shaft and the second gear on the operating lever form a gear pair, and the gear pair can perform meshing motion under the action of torque of the operating lever.

As a further scheme of the utility model: the bearing seat is divided into an upper cover and a base, the bearing seat is provided with a first through hole and a second through hole, the first through hole is used for fixing the bearing, and the second through hole is provided with a copper sleeve used for supporting the operating lever and the torsion generated by rotation of the operating lever.

As a further scheme of the utility model: the end of the connecting shaft at the left side and the right side of the turning seat is provided with a bearing, the bearing is fixed in the upper through hole of the bearing seat, and the turning seat can turn in the bearing.

As a further scheme of the utility model: the operating lever of the operating lever passes through the copper bush of the second through hole of the bearing seat, the operating lever and the copper bush are in clearance fit, and the rotating operating lever can rotate in the copper bush of the bearing seat.

As a further scheme of the utility model: the modulus and the pressure angle of the two gears of the gear pair are the same, and the meshing condition is met.

As a further scheme of the utility model: the limiting block is provided with a spring, the specification and the elasticity of the spring meet the braking limiting requirement of the limiting block on the limiting wheel, a spring center hole is fixed on the supporting rod, and two sides of the spring are respectively fixed on the limiting block and the bearing block.

As a further scheme of the utility model: the turnover seat consists of a cylinder and discs fixedly connected to two ends of the cylinder.

As a further scheme of the utility model: the balancing weight is of a cylindrical structure.

As a further scheme of the utility model: the axial leads of the turnover seat, the balancing weight and the central shaft are coincident.

As a further scheme of the utility model: the axis line of the connecting shaft is vertical to the plane formed by the overturning seat.

As a further scheme of the utility model: at first pass through the fix with screw on the bottom plate with both sides board, then fix the bearing frame base at the curb plate top with the screw, settle the bearing frame second through-hole with the copper sheathing, again in proper order will assemble complete braking stop gear install on the bearing frame, connect next with the connecting axle middle part of installing first gear to balancing weight one side, install the both ends of connecting axle with two bearings again, then install the rolling-over stand on the bearing frame base through both sides bearing, adjust the position of the second gear on first gear on the connecting axle and the control rod, then fasten upper cover and base assembly, at last with big gasket and screw with the sealed protection in bearing frame both sides bearing mounting hole outside, thereby accomplish the assembly of upset impeller equipment frame.

The impeller equipment frame that will assemble the completion, let the upset seat be located vertical position, and with the stopper with its rigidity, then place the impeller on the center pin of upset seat, and fasten the impeller with screw and gasket, because the axial lead of upset seat both sides connecting axle passes through the focus of upset body (impeller and upset seat assembly), as long as rotate the steering wheel gently alright make two gears produce the meshing motion, thereby make impeller and upset seat follow upset, it is fixed with the stopper with the upset seat when the impeller is in the vertical position, it is not hard up to ensure that the impeller does not rock, then can begin the equipment work of impeller.

After the impeller is assembled, the limiting block is loosened, then the operating panel is rotated in the opposite direction, the impeller and the overturning seat return to the horizontal position, the overturning seat is fixed by the limiting block, then the screw and the gasket at the top of the central shaft are dismounted, the impeller is lifted down from the overturning seat, and then the next impeller is assembled.

The utility model has the beneficial effects that:

the impeller assembling frame has a rotating effect by utilizing the motion characteristics of the bearing and the gear, the assembling frame is provided with a braking limiting mechanism, so that the assembling frame has a braking positioning function, the impeller assembling and overturning operation is convenient, the overturning seat is of a structure with a balancing weight, the balancing weight is also called as a balancing weight, the dynamic balance of the impeller and the overturning seat overturning by taking a connecting shaft as a central line is realized, the axis connecting line of two connecting shafts passes through the gravity center of the overturning body (the combination of the impeller and the overturning seat), the gear meshing motion can be generated by slightly rotating the control panel, the overturning operation of the impeller and the overturning seat is easily realized, the impeller needs to be overturned back and forth in the horizontal and vertical directions in the impeller assembling process, the overturning operation can be easily realized by utilizing the impeller assembling frame, and the assembling frame is provided with the braking limiting device, so that the overturning seat and the impeller can keep the horizontal or vertical positions without shaking and loosening, the stability of the impeller assembling state is ensured. The braking limiting mechanism comprises a control panel, a limiting block, a spring, a second gear and other parts, wherein the spring part generates the motive power for braking, the limiting block is embedded into a groove around the limiting wheel under the elastic action of the spring, so that the limiting braking function is completed, the braking limiting effect of the limiting block on the turnover seat is eliminated through the embedding of the withdrawing limiting block, the whole impeller assembling process is operated at will, and based on the functional advantages, the design of the whole assembling frame has the double effects of scientific and reasonable design and simple and efficient operation. Because the impeller overturning and assembling frame is put into use, the defects of high labor intensity, low working efficiency and unfavorable physical and psychological health of workers in the original overground operation process are solved.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of area A in FIG. 1;

FIG. 3 is a schematic view of the tilting seat in a vertical state and a limiting brake withdrawing in the utility model;

FIG. 4 is a schematic view of the 90 degree turning state and the limiting brake of the turning base of the present invention;

fig. 5 is a schematic view of an assembled state of the impeller of the present invention.

In the figure: 1. a turning seat; 11. a central shaft; 12. a balancing weight; 13. a connecting shaft; 14. a gasket; 15. a first gear; 21. a base plate; 22. a side plate; 23. a bearing seat; 24. a first through hole; 25. a second through hole; 26. a metal sheath; 3. a braking limit mechanism; 31. a hand wheel; 32. a limiting wheel; 33. a limiting block; 34. a support bar; 35. a spring; 36. a joystick; 37. a second gear; 4. an impeller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating embodiments of the utility model, are given by way of illustration only, not by way of limitation, i.e., the embodiments described are intended as a selection of the best mode contemplated for carrying out the utility model, not as a full mode. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, in the embodiment of the present invention, a turnover type impeller assembly frame includes a bottom plate 21, a turnover seat 1, a counterweight block 12 and a braking limit mechanism 3, the top surface of the bottom plate 21 is fixedly connected with two side plates 22 arranged in parallel, two symmetrically arranged bearing seats 23 are respectively and fixedly connected to the tops of the two side plates 22, the upper portion of the turnover seat 1 is provided with a central shaft 11 for placing an impeller 4, and the impeller 4 is fastened by a gasket 14 and a screw, the lower portion of the turnover seat 1 is provided with the counterweight block 12, the counterweight block 12 plays a balancing role in the turnover process of the impeller 4 and the turnover seat 1, two sides of the turnover seat 1 are provided with connecting shafts 13, the axial leads of the two connecting shafts 13 are collinear, the axial leads pass through the gravity center position of the assembly of the impeller 4 and the turnover seat 1, the ends of the two connecting shafts 13 are provided with bearings, the turnover seat 1 is fixed in the bearing seats 23 through the bearings at two ends, the bearing seats 23 are provided with an upper cover and a base, an upper through hole and a lower through hole (a first through hole 24 and a second through hole 25) are arranged on a bearing seat 23, the first through hole 24 is used for fixing the bearing seat 23, a metal sleeve 26 is arranged in the second through hole 25, the metal sleeve 26 preferably uses a copper sleeve, the metal sleeve 26 can also be replaced by a bearing, a first gear 15 is arranged in the middle of a connecting shaft 13 on the left side of the turnover seat 1, the first gear 15 and a second gear 37 of a braking limiting mechanism 3 form a gear pair, the second gear 37 is arranged at the tail end of an operating lever 36 of the braking limiting mechanism 3, the braking limiting mechanism 3 comprises an operating panel, a limiting block 33 and a second gear 37, the operating panel consists of a limiting wheel 32 and a hand wheel 31, grooves are arranged on the periphery of the limiting wheel 32, an operating lever 36 is axially arranged in a penetrating manner on the limiting wheel 32, one end of the operating lever 36 is fixedly connected with the hand wheel 31, the operating lever 36 penetrates through the copper sleeve of the second through hole 25 of the bearing seat 23 and is in clearance fit with the copper sleeve, through rotating the hand wheel 31 gently, the meshing motion is done with first gear 15 to second gear 37 on the control rod 36, the meshing motion through the gear drives upset seat 1 and rotates, when placing impeller 4 at the center pin 11 of upset seat 1, impeller 4 makes up into the upset body with upset seat 1, impeller 4 is along with the meshing motion of gear this moment, also follow upset seat 1 and do the upset motion, because the centre of gravity of connecting axle 13 axial lead through the upset body, so as to rotate the hand wheel 31 gently, alright make the upset body of impeller 4 do the upset motion with the meshing motion through the gear.

A limiting block 33 is arranged beside the limiting wheel 32, a supporting rod 34 is fixedly connected to one side of the limiting block 33, the end of the supporting rod 34 is rotatably connected with the bearing seat 23, a spring 35 is sleeved on the supporting rod 34, one end of the spring 35 is fixed on the bearing seat 23, the other end of the spring 35 is fixed on the limiting block 33, the spring 35 generates elastic force for the limiting block 33, the elastic force is motive power for generating braking action for the braking limiting mechanism 3, when the limiting block 33 is embedded into the groove of the limiting wheel 32, the braking action is generated for the control panel, and when the limiting strip is withdrawn from the groove of the limiting wheel 32, the limiting block 33 eliminates the braking action for the control panel. When the position of the impeller 4 on the overturning seat 1 needs to be fixed, the limiting block 33 generates a braking limiting effect on the control panel and the overturning seat 1; when the position of the impeller 4 on the turnover seat 1 needs to be changed, the limiting block 33 releases the braking limiting function on the turnover seat 1.

The working principle is as follows:

the positions of the impeller 4 on the overturning seat 1 are respectively a horizontal position and a vertical position: when the impeller 4 is just placed on the central shaft 11 of the turnover seat 1, the impeller 4 is in a horizontal state, the impeller 4 is fastened through the gasket 14 and the screw, the turnover seat 1 and the impeller 4 are turned to vertical positions through slightly rotating the control panel, the impeller 4 can be assembled at the moment, the hub of the impeller 4 and the hub of the impeller 4 are fastened and combined into an impeller 4 assembly through the fastener, and the impeller 4 can be detached after the impeller 4 is assembled. At this time, three steps of racking, assembling and unloading the impeller 4 are completed, and the next step of assembling the impeller 4 is performed until the impeller 4 is assembled.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a convertible impeller equipment frame, includes bottom plate (21), bottom plate (21) top surface fixedly connected with two parallel arrangement's curb plate (22), its characterized in that still includes:

the overturning device comprises an overturning seat (1), wherein a central shaft (11) and a balancing weight (12) are fixedly connected to two ends of the overturning seat (1) respectively, a connecting shaft (13) transversely penetrates through the balancing weight (12), the axial lead of the connecting shaft (13) is superposed with the gravity center of a combination body of the balancing weight (12) and the overturning seat (1), a first gear (15) is sleeved on the connecting shaft (13), and the first gear (15) is fixedly connected with the connecting shaft (13);

the two bearing blocks (23) are respectively and fixedly connected to the tops of the two side plates (22), the bearing blocks (23) are provided with a first through hole (24) and a second through hole (25), a bearing is installed in the first through hole (24), and the bearing is sleeved with the end part of the connecting shaft (13);

braking stop gear (3), braking stop gear (3) include steering wheel, stopper (33) and second gear (37), the steering wheel comprises spacing wheel (32) and hand wheel (31), spacing wheel (32) axial runs through and is provided with control rod (36), control rod (36) one end and hand wheel (31) fixed connection, control rod (36) other end runs through second through-hole (25) and coaxial fixedly connected with second gear (37), gear pair is constituteed in second gear (37) and the meshing of first gear (15), stopper (33) one side fixedly connected with bracing piece (34), bracing piece (34) tip and bearing frame (23) rotate to be connected, the cover is equipped with spring (35) on bracing piece (34), spring (35) one end is fixed in on bearing frame (23), spring (35) other end is fixed in on stopper (33), a plurality of grooves matched with the limiting blocks (33) are uniformly formed in the circumferential direction of the limiting wheels (32).

2. The turnover impeller assembling stand as claimed in claim 1, wherein the turnover base (1) is composed of a cylinder and a disk fixedly connected to both ends of the cylinder.

3. The assembly rack of claim 1, wherein said weight block (12) is a cylindrical structure.

4. The turnover impeller assembling frame as claimed in claim 3, wherein the axial lines of the turnover seat (1), the counterweight (12) and the central shaft (11) are coincident.

5. The assembly rack of claim 1, characterized in that the axis of the connecting shaft (13) is perpendicular to the axis of the central shaft (11).

6. The assembly rack according to claim 5, characterized in that the weight block (12) is disposed between two bearing seats (23).

7. The assembly rack of claim 1, characterized in that a metal sleeve (26) is disposed in the second through hole (25), and the operating rod (36) is in clearance fit with the metal sleeve (26).