CN218193755U

CN218193755U - Parking pawl clamping device

Info

Publication number: CN218193755U
Application number: CN202222610500.XU
Authority: CN
Inventors: 敬勇; 蒋光跃; 苏涛; 唐雎; 陈薇
Original assignee: Chongqing Shengke Precision Forging Technology Co ltd
Current assignee: Chongqing Shengke Precision Forging Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-03
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a parking pawl clamping device, comprising a base plate, fixedly connected with face positioning seat on the bottom plate top surface, bottom plate top surface just is located and sets up porose positioning seat around the face positioning seat respectively, the rotation positioning seat, rotate and support tight seat and top surface and compress tightly the seat, the top surface arch of hole positioning seat is formed with the reference column, rotate and support fixedly connected with on the tight seat and support tight drive arrangement, it has supported tight actuating lever to support to stretch out on the tight drive arrangement, when supporting tight actuating lever and outwards stretching out, it can promote to arrange the parking pawl of treating processing on the face positioning seat in and support tightly on the rotation positioning seat around reference column central line direction to support tight actuating lever, install the push down device on the top surface compresses tightly the seat, the push down device is including fixing the free bearing on the top surface compresses tightly the seat, be provided with the depression bar on the free bearing, the pole body of depression bar is articulated to be connected on the free bearing down, the top surface compresses tightly drive arrangement is fixed with the compressing tightly drive arrangement, it compresses tightly on the face positioning seat to treat the processing pawl under can driving arrangement can the drive to drive.

Description

Parking pawl clamping device

Technical Field

The utility model relates to a machining auxiliary fixtures, concretely relates to parking pawl clamping device.

Background

In a multi-speed automatic transmission, a parking brake system is required to prevent the gears in the transmission from rotating when the transmission is stopped, thereby reducing the possibility of slippage of the entire vehicle. At present, most parking brake systems adopt ratchet pawl structures, pawls of the parking brake systems adopt special shape structures, the shapes of the pawls are irregular, and particularly the arc surfaces of a pressure head on the parking end of the parking pawl and the back side of the pressure head have more curved surfaces and bosses at a processing position, so that the parking pawl is difficult to position and fix or is not firm when being processed, and is loosened in the processing process, so that the error of processing parameters is large, and the processing quality is seriously influenced.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a parking pawl clamping device with simple and convenient operation and reliable clamping and positioning.

In order to solve the technical problem, the utility model discloses a technical scheme:

a parking pawl clamping device comprises a bottom plate, wherein a surface positioning seat is fixedly connected to the top surface of the bottom plate, a plurality of bosses capable of positioning the side surface of a parking pawl to be processed are respectively and convexly formed on the top surface of the surface positioning seat, supporting surfaces positioned at the tops of the bosses are positioned on the same horizontal plane, a hole positioning seat, a rotation abutting seat and a top surface pressing seat are respectively arranged on the top surface of the bottom plate and positioned around the surface positioning seat, positioning columns extending in the vertical direction and capable of being in rotation fit with rotation holes on the rotation end of the parking pawl to be processed are convexly formed on the top surface of the hole positioning seat, an abutting driving device is fixedly connected to the rotation abutting seat, an abutting driving rod extends out of the abutting driving device, and when the abutting driving rod extends out, the abutting driving rod can push the parking pawl to be processed, which is arranged on the surface positioning seat, to abut against the rotation positioning seat around the central line direction of the positioning columns, install the push-down device on the top surface compresses tightly the seat, the push-down device is including fixing the free bearing on the top surface compresses tightly the seat, be provided with depression bar down on the free bearing, the pole body articulated connection of depression bar down is in order to form lever structure on the free bearing, the rotation plane of depression bar is vertical plane down, the one end of depression bar is the drive end down, the other end is for compressing tightly the end, fixedly connected with compresses tightly drive arrangement on the top surface compresses tightly the seat, compress tightly the last extension in compressing tightly the actuating lever of drive arrangement, compress tightly the articulated connection of actuating lever and rotate in order to drive the depression bar down on the drive end of depression bar down, when compressing tightly the actuating lever and outwards stretching out, compress tightly the end that the actuating lever can drive the depression bar down and act on arranging in order to treat processing parking pawl on the face positioning seat top surface.

In the utility model, the side surface of the parking end of the processed parking pawl is used as a positioning reference, and when the parking pawl is installed, the rotating hole on the parking pawl is sleeved on the positioning column, so that the parking pawl can rotate around the positioning column; rotating the parking pawl, abutting the parking end of the parking pawl on the rotating positioning seat, simultaneously lowering the parking pawl, and placing the side face of the parking end of the parking pawl on the surface positioning seat; the start supports tight drive arrangement and compresses tightly drive arrangement, support tight actuating lever and compress tightly the actuating lever and stretch out, support tight actuating lever butt and support the parking pawl tightly on rotating the positioning seat on the parking pawl, it rotates to compress tightly actuating lever drive push down the depression bar, the end that compresses tightly of depression bar presses on the top side of parking pawl, compress tightly the parking pawl on the face positioning seat, it is spacing with the lift through the rotation to the parking pawl like this, can realize fixed to the location of parking pawl, the error problem of leading to because of the fixed jail in the location has been avoided in the course of working.

Preferably, the end of the abutting driving rod is a round head. Because the rotation end cover of parking pawl is back on the reference column, the parking pawl can only rotate around the reference column, will support the end of tight actuating lever and set up to the button head for better messenger supports tight actuating lever butt on the parking pawl.

Preferably, the number of the top face pressing seats is two, the two top face pressing seats are provided with a pressing device, a pressing convex block is formed on a pressing end of the pressing rod in a protruding mode, a pressing face used for being abutted to a parking pawl to be machined is arranged on the pressing convex block, the top face of each face positioning seat is a horizontal plane, the number of the bosses on the top face of each face positioning seat is three, the three bosses are distributed in a triangular mode and are close to the edge of the top face of each face positioning seat, and when the pressing end of the pressing rod presses the parking pawl to be machined on each face positioning seat, the projection of the pressing face in the vertical direction is located in the projection of the top face of each face positioning seat in the vertical direction. The position of the pressing rod acting on the parking pawl is above the surface positioning seat, so that the reliability of positioning the parking pawl is ensured.

As an optimization, a floating support device is fixedly connected to the top surface of the bottom plate and located on one side of the face positioning seat, a floating support rod capable of stretching along the vertical direction extends out of the top of the floating support device, and when the floating support rod extends out, the top of the floating support rod can support the portion, extending out of the face positioning seat, of the parking pawl to be processed on the face positioning seat in an abutting mode. Because the parking end part of the parking pawl stretches out of the face positioning seat, the floating support device is arranged, the floating support rod stretches out and abuts against the side bottom face of the parking pawl outside the face positioning seat, the stability of clamping the parking pawl in the machining process can be further improved, and the machining precision is favorably improved.

As optimization, just be located on the top surface of bottom plate the rotational positioning seat is back to one side fixedly connected with fine setting supporting seat of rotational positioning seat and waiting to process the parking pawl contact surface, fine setting supporting seat with the interval sets up between the rotational positioning seat, fine setting supporting seat orientation be provided with two fine setting bolts on one side of rotational positioning seat, fine setting bolt is located same horizontal plane and interval sets up, fine setting bolt's central line along fine setting supporting seat with the relative direction of rotational positioning seat extends the setting, the head butt of fine setting bolt is in on the rotational positioning seat, the pole portion screw-thread fit of fine setting bolt is on fine setting supporting seat. Through rotatory fine setting bolt, can adjust fine setting bolt's extension length, and then the position of adjustment rotation positioning seat makes parking pawl butt on rotation positioning seat when placing on the face positioning seat, then will rotate the positioning seat and fix on the bottom plate.

Compared with the prior art, the utility model discloses simple structure, convenient to use is reliable, fixes a position fixedly to the parking pawl through different position, and is fixed firm to the parking pawl, has improved the machining precision in the course of working.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is the utility model discloses carry out the schematic diagram of fixing a position the clamping to the parking pawl.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. 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, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the present product is conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are absolutely horizontal or hanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" 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 connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and fig. 2, the parking pawl clamping device in the present embodiment comprises a bottom plate 1, a surface positioning seat 2 is fixedly connected to a top surface of the bottom plate 1, a plurality of bosses 3 capable of positioning a side surface of a parking pawl to be processed are respectively formed on top surfaces of the surface positioning seats 2 in a protruding manner, supporting surfaces located at tops of the plurality of bosses 3 are located on a same horizontal plane, a positioning seat 4 with holes, a rotation positioning seat 5, a rotation abutting seat 6 and a top surface pressing seat 7 are respectively arranged on the top surface of the bottom plate 1 and around the surface positioning seat 2, a positioning column 9 extending in a vertical direction and capable of being rotatably matched with a rotation hole on a rotation end of a parking pawl 8 to be processed is formed on a top surface of the hole positioning seat 4 in a protruding manner, an abutting driving device 10 is fixedly connected to the rotation abutting seat 6, an abutting driving rod extends out from the abutting driving device 10, and when the abutting driving rod extends out, the pressing driving rod can push the parking pawl 8 to be processed arranged on the face positioning seat 2 to tightly press the rotating positioning seat 5 around the central line direction of the positioning column 9, the top face pressing seat 7 is provided with a pressing device, the pressing device comprises a hinged seat 11 fixed on the top face pressing seat 7, a lower pressing rod 12 is arranged on the hinged seat 11, the rod body of the lower pressing rod 12 is hinged to the hinged seat 11 to form a lever structure, the rotating plane of the lower pressing rod 12 is a vertical plane, one end of the lower pressing rod 12 is a driving end, the other end of the lower pressing rod is a pressing end, a pressing driving device 13 is fixedly connected to the top face pressing seat 7, the pressing driving device 13 extends out of the pressing driving rod, the pressing driving rod is hinged to the driving end of the lower pressing rod 12 to drive the lower pressing rod 12 to rotate, when the pressing driving rod extends out, the pressing end of the pressing driving rod can drive the lower pressing rod 12 to act on the top face of the parking pawl 8 to be processed arranged on the face positioning seat 2 to enable the parking pawl to be processed to be parked The vehicle pawl 8 is pressed tightly on the surface positioning seat 2.

In this embodiment, the end of the fastening driving rod is a round head.

In this specific embodiment, the number of the top surface pressing seats 7 is two, two of the top surface pressing seats 7 are all provided with a pressing device, a pressing protrusion is formed on a pressing end of the lower pressing rod 12, a pressing surface for abutting against the parking pawl 8 to be processed is arranged on the pressing protrusion, the top surface of the surface positioning seat 2 is a horizontal plane, the number of the bosses 3 on the top surface of each surface positioning seat 2 is three, the three bosses 3 are arranged in a triangular distribution, the three bosses 3 are distributed close to the edge of the top surface of the surface positioning seat 2, and when the pressing end of the lower pressing rod 12 presses the parking pawl 8 to be processed on the surface positioning seat 2, the projection of the pressing surface in the vertical direction is located in the projection of the top surface of the surface positioning seat 2 in the vertical direction.

In this embodiment, the floating support device 14 is fixedly connected to the top surface of the bottom plate 1 and located on one side of the face positioning seat 2, the floating support rod capable of extending and retracting along the vertical direction extends out of the top of the floating support device 14, and when the floating support rod extends out, the top of the floating support rod can support the portion, extending out of the face positioning seat 2, of the parking pawl 8 to be processed on the face positioning seat 2 in an abutting mode.

In this embodiment, just be located on the top surface of bottom plate 1 the rotation positioning seat 5 is back to rotation positioning seat 5 and the one side fixedly connected with fine setting supporting seat 15 of waiting to process the 8 contact surfaces of parking pawl, fine setting supporting seat 15 with the interval sets up between the rotation positioning seat 5, fine setting supporting seat 15 orientation be provided with two fine setting bolts 16 on one side of rotation positioning seat 5, and fine setting bolt 16 is located same horizontal plane and interval sets up, fine setting bolt 16's central line along fine setting supporting seat 15 with the relative direction of rotation positioning seat 5 extends the setting, fine setting bolt 16's head butt is in on the rotation positioning seat 5, fine setting bolt 16's pole portion screw-thread fit is on supporting seat fine setting 15.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a parking pawl clamping device which characterized in that: the parking pawl clamping device comprises a bottom plate, wherein a surface positioning seat is fixedly connected to the top surface of the bottom plate, a plurality of bosses capable of positioning the side surface of a parking pawl to be processed are respectively and convexly formed on the top surface of the surface positioning seat, supporting surfaces positioned at the tops of the bosses are positioned on the same horizontal plane, a hole positioning seat, a rotating abutting seat and a top surface pressing seat are respectively arranged on the top surface of the bottom plate and positioned around the surface positioning seat, positioning columns extending along the vertical direction and capable of being in rotating fit with rotating holes on the rotating end of the parking pawl to be processed are convexly formed on the top surface of the hole positioning seat, an abutting driving device is fixedly connected to the rotating abutting seat, an abutting driving rod extends out of the abutting driving device, and when the abutting driving rod extends out, the abutting driving rod can push the parking pawl to be processed, which is arranged on the surface positioning seat, to abut against the rotating positioning seat along the central line direction of the positioning columns, install the push-down device on the top surface compresses tightly the seat, the push-down device is including fixing the free bearing on the top surface compresses tightly the seat, be provided with depression bar down on the free bearing, the pole body articulated connection of depression bar down is in order to form lever structure on the free bearing, the rotation plane of depression bar is vertical plane down, the one end of depression bar is the drive end down, the other end is for compressing tightly the end, fixedly connected with compresses tightly drive arrangement on the top surface compresses tightly the seat, compress tightly the last extension in compressing tightly the actuating lever of drive arrangement, compress tightly the articulated connection of actuating lever and rotate in order to drive the depression bar down on the drive end of depression bar down, when compressing tightly the actuating lever and outwards stretching out, compress tightly the end that the actuating lever can drive the depression bar down and act on arranging in order to treat processing parking pawl on the face positioning seat top surface.

2. The parking pawl clamping device of claim 1, wherein: the end of the abutting driving rod is round.

3. The parking pawl clamping device of claim 1, wherein: the number of the top surface pressing seats is two, the two top surface pressing seats are all provided with pressing devices, a pressing lug is formed on a pressing end of each pressing rod in a protruding mode, a pressing surface used for being abutted to a parking pawl to be machined is arranged on each pressing lug, the top surface of each surface positioning seat is a horizontal plane, the number of bosses on the top surface of each surface positioning seat is three, the three bosses are arranged in a triangular distribution mode and are close to the edge of the top surface of each surface positioning seat, and when the pressing end of each pressing rod presses the parking pawl to be machined on each surface positioning seat, the projection of each pressing surface in the vertical direction is located in the projection of the top surface of each surface positioning seat in the vertical direction.

4. The parking pawl clamping device of claim 1, wherein: the top surface of the bottom plate is located on one side of the face positioning seat, a floating supporting device is fixedly connected to the top surface of the bottom plate, a floating supporting rod capable of stretching along the vertical direction is extended out of the top of the floating supporting device, and when the floating supporting rod extends out, the top of the floating supporting rod can be opposite to the portion, to be processed, of the face positioning seat, of the parking pawl extending out of the face positioning seat, and the portion, to be processed, of the face positioning seat is abutted and supported.

5. The parking pawl clamping device according to claim 1, wherein: the top surface of the bottom plate is provided with a rotating positioning seat, the rotating positioning seat is arranged opposite to the rotating positioning seat, one side of the contact surface of the parking pawl to be processed is fixedly connected with a fine adjustment supporting seat, the fine adjustment supporting seat is arranged at an interval between the rotating positioning seats, the fine adjustment supporting seat faces towards the side face of one side of the rotating positioning seat, the fine adjustment bolts are arranged on the same horizontal plane and are arranged at intervals, the central line of each fine adjustment bolt extends along the fine adjustment supporting seat and in the opposite direction of the rotating positioning seat, the head of each fine adjustment bolt is abutted against the corresponding rotating positioning seat, and the rod part of each fine adjustment bolt is in threaded fit with the fine adjustment supporting seat.