CN216830289U

CN216830289U - Quick-connection type power transmission device

Info

Publication number: CN216830289U
Application number: CN202123295287.XU
Authority: CN
Inventors: 张跃普; 徐新燕; 刘运智; 韩天成; 刘敬贤; 杨立民
Original assignee: Hebei Guoyuan Electrical Co ltd
Current assignee: Hebei Guoyuan Electrical Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-06-28
Anticipated expiration: 2031-12-24

Abstract

The utility model relates to a connect formula power transmission device soon, a power transmission between power component and action subassembly, including the tail-bar subassembly body, and be formed with the connector of tail-bar subassembly body one end, be formed with the shoulder shaft between tail-bar subassembly body and connector, connect formula power transmission device soon still locates the epaxial pressure spring of shoulder including the cover, and the installation head on the connector is located to rotatable cover, the mounting hole has been seted up on the action subassembly, but installation head universal pivoted installs in the mounting hole, set up the L type draw-in groove that link up with the mounting hole on the action subassembly of mounting hole department, install the round pin axle that can block and arrange in L type draw-in groove on the installation head, the pinhole has been seted up to the other end of tail-bar subassembly body, install the round pin spring assembly who is connected with the pinhole cooperation on power component. The utility model discloses can realize that the rotary motion behind the thick alignment of action subassembly and power component does not take place the jamming, and can realize the quick connection of the two.

Description

Quick-connection type power transmission device

Technical Field

The utility model relates to a power transmission technical field especially relates to a connect formula power transmission device soon.

Background

At present, the grinding or repairing work of holes is generally carried out on a lathe or a boring machine, and all the work is carried out by directly connecting a power source part with a grinding head, the power of the power source part is transmitted to the grinding head to act on the holes to be ground, the phenomena that the grinding head is unsmooth in movement and blocked when doing rotary motion and the holes are eccentrically ground into ellipses are easy to occur, therefore, the power source part, the grinding head and the inner holes are always required to be coaxially aligned in a dial indicator, the coaxiality deviation is required to be less than or equal to 0.02 under the general condition, the alignment difficulty is large, the efficiency is low, and the alignment difficulty is larger especially under the working condition that the holes to be ground are slender holes.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a connect formula power transmission device soon can wind the universal gyration of the tail-bar subassembly body of being connected with power component through the action subassembly to guarantee that the action subassembly can be along with the hole of treating processing and do the free gyration action, can not take place the jamming, and can save traditional smart process of looking for the center, and reduced the work degree of difficulty, guaranteed machining efficiency and quality.

The utility model adopts the technical proposal that: a quick-connection type power transmission device is used for power transmission between a power assembly and an action assembly and comprises a tail rod assembly body and a connector formed at one end of the tail rod assembly body; in the tail-rod subassembly body with be formed with the step shaft between the connector, connect formula power transmission device soon still including the cover locate the epaxial pressure spring of step to and rotatable cover are located installation head on the connector, in the action has seted up the mounting hole on the subassembly, but installation head universal pivoted install in the mounting hole, in mounting hole department action set up on the subassembly with the L type draw-in groove that the mounting hole link up, in install on the installation head and can block arrange in round pin axle in the L type draw-in groove, in the pinhole has been seted up to the other end of tail-rod subassembly body, in install on the power component with the round pin spring assembly that the pinhole cooperation is connected.

As a further limitation to the above technical solution, the L-shaped slots are two groups symmetrically formed along the axis of the motion assembly, and the pin shafts are two of the L-shaped slots respectively clamped in the corresponding positions.

As a further limitation to the above technical solution, the outer surfaces of the mounting head and the connector are both arranged in a spherical shape, and the connector is connected with the mounting head via a short pin.

As a further limitation to the above technical solution, the pin spring assembly includes a housing installed in the power assembly, and a transverse pin having one end installed in the housing and the other end engaged with the pin hole; the spring is arranged in the shell and can be used for supporting the transverse pin to slide in and out of the pin hole.

As a further limitation to the above technical solution, the action assembly is a variable-diameter grinding head assembly, and the grinding head assembly includes a frame body having a central hole therein, and a grinding strip assembly movably mounted on an outer surface of the frame body; the grinding head component comprises a grinding strip component and a plurality of groups of top pins, wherein the grinding strip component comprises a central hole and a central shaft, the central hole is arranged in the central hole in a penetrating mode, the central shaft is arranged at one end of the central shaft and used for driving the central shaft to move back and forth, the power part is arranged at one end of the central shaft and used for driving the central shaft to move back and forth along the axis of the central hole, the mounting hole is formed in the power part and used for along the axis direction of the central shaft, a plurality of groups of conical surfaces are formed on the outer surface of the central shaft at intervals, the grinding head component further comprises a plurality of groups of top pins arranged between the grinding strip component and the conical surfaces, and the central shaft moves back and forth to drive the top pins to push the grinding strip component to rise and fall and reduce the diameter.

As a further limitation to the above technical solution, the power assembly includes a power source, and a steering assembly mounted between the power source and the tail rod assembly body, the steering assembly includes a first gear shaft in transmission connection with the power source, and a first bevel gear mounted on the first gear shaft; the tail rod assembly further comprises a second gear shaft perpendicular to the first gear shaft and a second bevel gear mounted on the second gear shaft and in meshed transmission with the first bevel gear, and the second gear shaft is connected with the tail rod assembly body in a quick-insertion mode.

The utility model discloses a connect formula power transmission device soon, through the tail-bar subassembly body, the connector, the setting of pressure spring and installation head, can realize power pack and the connection between the action subassembly, thereby guarantee that the action subassembly can be along with the hole of treating processing and do the action of freely revolving, can not take place the jamming, and can save traditional process of finding the center carefully, and reduced the work degree of difficulty, machining efficiency and quality have been guaranteed, and can install in the mounting hole through installation head universal pivoted, the pinhole has been seted up to the other end of tail-bar subassembly body, install the setting of the round pin spring assembly who is connected with the pinhole cooperation on power pack, can realize the tail-bar subassembly body and power pack and the quick connection between the action subassembly.

Drawings

Fig. 1 is a diagram illustrating a usage state of a quick coupling type power transmission device of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic view of an assembly structure of the quick coupling type power transmission device and the actuating assembly of the present invention;

FIG. 4 is a front view of FIG. 3;

FIG. 5 is a sectional view taken along line B-B of FIG. 4;

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 4;

fig. 7 is a diagram showing a use state of a quick coupling type power transmission device driven by another power source.

In the figure:

1-action assembly, 11-frame, 111-center hole, 12-grinding bar assembly, 121-base, 122-sand bar, 123-second positioning pin, 124-positioning ring, 13-mandrel, 131-conical surface, 14-power part, 141-tail joint, 1411-chute, 1412-first positioning pin, 1413-L type clamping groove, 142-cylindrical pin, 143-nut, 144-bracelet, 15-overhead pin, 151-plane, 152-inclined surface, 2-power assembly, 21-power source, 22-first gear shaft, 23-first bevel gear, 24-second gear shaft, 25-second bevel gear, 26-shell, 27-cross pin, 28-spring, 31-tail bar assembly body, 32-connector, 33-pressure spring, 34-mounting head, 35-pin shaft, 36-pin hole and 37-short pin.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Examples

As shown in fig. 1 to 6, a quick-coupling power transmission device for power transmission between a power module 2 and an actuating module 1, the overall structure of the quick-connection type power transmission device comprises a tail rod assembly body 31 and a connector 32 formed at one end of the tail rod assembly body 31, a stepped shaft is formed between the tail rod assembly body 31 and the connector 32, the quick-connection type power transmission device also comprises a pressure spring 33 sleeved on the stepped shaft, the mounting head 34 is rotatably sleeved on the connecting head 32, a mounting hole is formed in the action component 1, the mounting head 34 is mounted in the mounting hole in a universal rotating manner, an L-shaped clamping groove 1413 communicated with the mounting hole is formed in the action component 1 at the mounting hole, a pin shaft 35 capable of being clamped in the L-shaped clamping groove 1413 is mounted on the mounting head 34, a pin hole 36 is formed in the other end of the tail rod component body 31, and a pin spring component matched and connected with the pin hole 36 is mounted on the power component 2.

The installation head 34 is used for universal rotation in the installation hole, the problems of unsmooth rotation and clamping stagnation of the tail rod assembly body 31 can be solved, and the tail rod assembly body 31 can be quickly connected with the power assembly 2 and the action assembly 1 through the matching of the pin hole 36 and the pin spring assembly and the matching of the pin shaft 35 and the L-shaped clamping groove 1413.

In order to ensure stable torque transmission, the L-shaped slots 1413 are symmetrically formed in two sets along the axis of the actuating component 1, the pin shafts 35 are respectively clamped in two of the L-shaped slots 1413 at corresponding positions, as shown in fig. 5, in order to realize arbitrary angular swing of the actuating component 1 along the quick-connect power transmission device, the outer surfaces of the mounting head 34 and the connecting head 32 are both arranged in a spherical shape, and in this embodiment, the connecting head 32 and the mounting head 34 are connected by short pins 37.

As shown in fig. 2, the pin spring assembly includes a housing 26 installed in the power module 2, a cross pin 27 having one end installed in the housing 26 and the other end engaged with a pin hole 36, and a spring 28 installed in the housing 26 and capable of placing the cross pin 27 in and out of the pin hole 36.

In this embodiment, as shown in fig. 1 to 5, the action assembly 1 is a grinding head assembly with variable diameters, the grinding head assembly includes a frame body 11 having a central hole 111 therein, a grinding strip assembly 12 movably mounted on an outer surface of the frame body 11, a spindle 13 penetrating the central hole 111, and a power portion 14 mounted at one end of the spindle 13 to drive the spindle 13 to reciprocate along an axis of the central hole 111, the mounting hole is opened on the power portion 14, a plurality of sets of conical surfaces 131 are formed on an outer surface of the spindle 13 at intervals along an axial direction of the spindle 13, the grinding head assembly further includes a plurality of sets of top pins 15 disposed between the grinding strip assembly 12 and the conical surfaces 131, and the spindle 13 reciprocates to drive the top pins 15 to push the grinding strip assembly 12 to rise and fall to reduce the diameter.

In this embodiment, the conical surfaces 131 and the overhead pins 15 are four groups, one surface of each overhead pin 15 contacting the grinding bar assembly 12 is a plane 151, one surface contacting the conical surface 131 at a corresponding position is an inclined surface 152, one surface of the plane 151 is used for supporting the grinding bar assembly 12, one surface of the inclined surface 152 is used for matching with the conical surface 131, so as to limit the overhead pin 15 at a corresponding position conveniently, and a through hole for inserting the overhead pin 15 at a corresponding position partially is formed in the frame body 11.

As shown in fig. 5, the power portion 14 includes a tail joint 141 having one end screwed with the frame 11, a sliding slot 1411 is formed on the tail joint 141, the power portion 14 further includes a cylindrical pin 142 penetrating the sliding slot 1411 and connected to the spindle 13, and a nut 143 sleeved on the cylindrical pin 142 and having an external thread, the power portion 14 further includes a bracelet 144 sleeved on the tail joint 141 and screwed with the external thread of the nut 143, the bracelet is screwed 144, the cylindrical pin 142 is driven by the nut 143 to slide in the sliding slot 1411, and further the spindle 13 is driven to reciprocate along the axis of the central hole 111, in order to make the positioning more secure, a first positioning pin 1412 is installed at the screwed joint between the frame 11 and the tail joint 141, in this embodiment, the installation hole is formed on the tail joint 141.

In this embodiment, the grinding bar assemblies 12 are a plurality of groups installed at intervals on the outer surface of the frame body 11, each grinding bar assembly 12 includes a base 121 inserted on the frame body 11, and sand bars 122 fixed on the base 121, the base 121 and the roots of the inner end surfaces on both sides of the frame body 11 are installed with second positioning pins 123, two ends of each base 121 are connected via positioning rings 124, specifically, the grinding bar assemblies 12 are five groups, the frame body 11 is provided with a rectangular groove for the base 121 to be inserted, the base 121 is also provided with a rectangular groove for the sand bars 122 to be inserted, the sand bars 122 are fixed on the base 121 via a bonding process, two ends of the second positioning pins 123 extend out of both sides of the base 121 and are clamped with the inner end surfaces of the frame body 11 to prevent the base 121 from moving axially, in this embodiment, two ends of each base 121 are provided with hook grooves respectively for the positioning rings 124 to be inserted to connect two ends of each base 121 respectively, specifically, each retaining ring 124 is surrounded by a full coil of compressed spring.

In this embodiment, in order to achieve different hole finish effects and improve the processing efficiency, the five groups of sand bars 122 are all diamond sand bars 122, the number of the diamond sand bars 122 can be selected to be 80 meshes, 200 meshes or 400 meshes according to the field working condition, and coarse grinding, semi-fine grinding or fine grinding can be achieved by replacing the sand bars 122 with corresponding meshes.

As shown in fig. 1 and fig. 2, the power assembly 2 includes a power source 21, and a steering assembly installed between the power source 21 and the tail rod assembly body 31, the steering assembly includes a first gear shaft 22 in transmission connection with the power source 21, a first bevel gear 23 installed on the first gear shaft 22, a second gear shaft 24 arranged perpendicular to the first gear shaft 22, and a second bevel gear 25 installed on the second gear shaft 24 and in meshing transmission with the first bevel gear 23, the second gear shaft 24 is in quick-plug connection with the tail rod assembly body 31, in this embodiment, the cross pin 27 and the spring 28 are installed on the second gear shaft 24, in this embodiment, the power source 21 may be an electric tool in fig. 1, and may also be an air motor in fig. 7.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be covered by the present invention within the technical scope of the present invention, and the technical solution obtained by replacing or changing the technical idea of the present invention with equivalents.

Claims

1. The utility model provides a connect formula power transmission device soon for power transmission between power component and the action subassembly, its characterized in that: the tail rod assembly comprises a tail rod assembly body and a connector formed at one end of the tail rod assembly body; in the tail-rod subassembly body with be formed with the step shaft between the connector, connect formula power transmission device soon still including the cover locate the epaxial pressure spring of step to and rotatable cover are located installation head on the connector, in the action has seted up the mounting hole on the subassembly, but installation head universal pivoted install in the mounting hole, in mounting hole department action set up on the subassembly with the L type draw-in groove that the mounting hole link up, in install on the installation head and can block arrange in round pin axle in the L type draw-in groove, in the pinhole has been seted up to the other end of tail-rod subassembly body, in install on the power component with the round pin spring assembly that the pinhole cooperation is connected.

2. A quick connect power transfer device as set forth in claim 1, wherein: the L-shaped clamping grooves are two groups which are symmetrically arranged along the axis of the action component, and the pin shafts are respectively clamped in two of the L-shaped clamping grooves at corresponding positions.

3. A quick connect power transfer device as set forth in claim 1, wherein: the mounting head with the surface of connector all is the sphere setting, the connector with via the short pin joint between the mounting head.

4. A quick connect power transfer device as set forth in claim 1, wherein: the pin spring assembly comprises a shell arranged in the power assembly and a transverse pin, one end of the transverse pin is arranged in the shell, and the other end of the transverse pin is matched with the pin hole; the spring is arranged in the shell and can be used for supporting the transverse pin to slide in and out of the pin hole.

5. A quick connect power transfer device as set forth in claim 1, wherein: the action assembly is a grinding head assembly with variable diameters, and the grinding head assembly comprises a frame body with a central hole formed inside and a grinding strip assembly movably mounted on the outer surface of the frame body; the grinding head component comprises a grinding strip component and a plurality of groups of top pins, wherein the grinding strip component comprises a central hole and a central shaft, the central hole is arranged in the central hole in a penetrating mode, the central shaft is arranged at one end of the central shaft and used for driving the central shaft to move back and forth, the power part is arranged at one end of the central shaft and used for driving the central shaft to move back and forth along the axis of the central hole, the mounting hole is formed in the power part and used for along the axis direction of the central shaft, a plurality of groups of conical surfaces are formed on the outer surface of the central shaft at intervals, the grinding head component further comprises a plurality of groups of top pins arranged between the grinding strip component and the conical surfaces, and the central shaft moves back and forth to drive the top pins to push the grinding strip component to rise and fall and reduce the diameter.

6. A quick connect power transfer device as set forth in claim 5, wherein: the power assembly comprises a power source and a steering assembly arranged between the power source and the tail rod assembly body, and the steering assembly comprises a first gear shaft in transmission connection with the power source and a first bevel gear arranged on the first gear shaft; the tail rod assembly further comprises a second gear shaft perpendicular to the first gear shaft and a second bevel gear mounted on the second gear shaft and in meshed transmission with the first bevel gear, and the second gear shaft is connected with the tail rod assembly body in a quick-insertion mode.