CN210321485U

CN210321485U - Crankshaft eccentric positioning detection device for compressor

Info

Publication number: CN210321485U
Application number: CN201921070804.3U
Authority: CN
Inventors: 雒应学
Original assignee: Wuhu Deshan Cnc Technology Co Ltd
Current assignee: Wuhu Deshan Cnc Technology Co Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-04-14
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a bent axle eccentric positioning detection device for compressor, detect the head, supply the dial indicator to detect first horizontal migration's drive assembly and centre gripping subassembly including base, dial indicator, the dial indicator detects the head and is located drive assembly's removal portion and rather than swing joint. The utility model discloses a centre gripping subassembly that sets up can be with the reliable fixing of bent axle and can adjust according to the length of bent axle, the bent axle detection achievement that is applicable to different specifications, and a drive assembly who is used for the first horizontal migration of percentage table detection then adopts screw drive structure, and connect a slide rail at drive assembly's both ends, the slider slides in the slide rail under the effect of connecting block, the percentage table detection head remains linear movement all the time, the stability that the percentage table detection head examined time measuring has been ensured, thereby whole detection device only need operate rotating assembly can detect the first detection of percentage table and remove the detection achievement of accomplishing whole bent axle.

Description

Crankshaft eccentric positioning detection device for compressor

Technical Field

The utility model relates to a clamping detects the instrument field, especially relates to bent axle eccentric positioning detection device for compressor.

Background

The rotary motion is converted into the reciprocating motion in a machine, the reciprocating motion is usually completed by an eccentric mechanism or a crankshaft, an eccentric workpiece is difficult to measure due to the fact that the structure of the eccentric workpiece is complex, axes are parallel but not coincident, and certain difficulty is brought to detection.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. For this reason, an object of the utility model is to provide a bent axle eccentric positioning detection device for compressor, through the centre gripping subassembly that sets up can be with the reliable fixing of bent axle and can adjust according to the length of bent axle, be applicable to the bent axle detection work of different specifications, and a drive assembly who is used for the percentage table to detect first horizontal migration then adopts the screw drive structure to connect a slide rail at drive assembly's both ends, the percentage table detects the head and keeps rectilinear movement throughout, has ensured the percentage table and has detected the stability that the head examined time measuring.

The utility model provides a bent axle eccentric positioning detection device for compressor, detect the head, supply the percentage table to detect first horizontal migration's drive assembly and centre gripping subassembly including base, percentage table, the percentage table detects the head and is located drive assembly's removal portion and rather than swing joint, centre gripping unit mount detects the first corresponding position with the percentage table on the base.

Preferably, two supports are arranged between the transmission assembly and the base, and the bottom of the transmission assembly is fixedly connected with the base through the two supports.

Preferably, the transmission assembly comprises a first fixing plate, a second fixing plate, a connecting block, a lead screw and a sliding block; first fixed plate, second fixed plate are fixed respectively in the upper end of two supports, the lead screw sets up between first fixed plate, second fixed plate and the lead screw rotates respectively with first fixed plate, second fixed plate to be connected, the connecting block cover is established at the lead screw outside and rather than threaded connection, the slider is located the front end of connecting block and rather than fixed connection, still be connected with the slide rail between first fixed plate, the second fixed plate, the slider is connected with slide rail sliding fit, first fixed plate one side is provided with rotatory handle, and rotatory handle pass first fixed plate and with lead screw fixed connection.

Preferably, the dial indicator detection head vertically penetrates through the sliding block and is movably connected with the sliding block.

Preferably, the clamping assembly comprises a fixed seat, a movable seat and a rotating shaft positioned on the movable seat; fixing base fixed mounting is on the base, sliding seat and fixing base parallel arrangement and with base swing joint, the pivot is passed through the bearing and is connected with the sliding seat rotation, the circular slot has all been seted up on the relative terminal surface of fixing base, pivot to the central line coincidence of two circular slots, it is provided with adjusting bolt to correspond circular slot position department in the pivot, and adjusting bolt passes the pivot and extends to the circular slot in.

Preferably, the base is further provided with a sliding groove, and the bottom of the movable seat is located in the sliding groove and connected with the sliding groove in a sliding fit manner.

In the utility model, the crankshaft can be reliably fixed and adjusted according to the length of the crankshaft through the arranged clamping component, and the device is suitable for crankshaft detection work of different specifications, the transmission component for the horizontal movement of the detecting head of the dial indicator adopts a screw rod transmission structure, the rotary motion of the screw rod is converted into the linear motion of the connecting block, in order to ensure that the detecting head of the dial indicator can keep the linear movement in the horizontal direction, two ends of the transmission component are connected with a sliding rail, the sliding block is fixed with the connecting block, the sliding block slides in the sliding rail under the action of the connecting block, thereby make the percentage table detect the head and keep rectilinear movement all the time, ensured the stability that the percentage table detected the head and detected time measuring, whole detection device simple structure, the operation is also convenient, need not the repeated dismouting of carrying on the bent axle, thereby only need operate rotating assembly and can detect the head with the percentage table and remove the detection achievement of accomplishing whole bent axle.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the crankshaft eccentric positioning detection device for a compressor according to the present invention;

fig. 2 is a schematic structural view of a transmission assembly of the crankshaft eccentric positioning detection device for the compressor according to the present invention;

fig. 3 is another angle schematic diagram of the transmission assembly of the crankshaft eccentric positioning detection device for the compressor according to the present invention;

fig. 4 is the utility model provides a bent axle eccentric positioning detection device centre gripping bent axle state diagram for compressor.

In the figure: 1. a base; 2. a support; 3. a fixed seat; 4. a movable seat; 5. a chute; 6. a dial indicator detection head; 7. a rotating shaft; 8. a crankshaft; 9. rotating the handle; 10. a first fixing plate; 11. a second fixing plate; 12. connecting blocks; 13. a lead screw; 14. a slide rail; 15. a slider; 16. adjusting the bolt; 17. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and 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 therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the crankshaft eccentric positioning detection device for the compressor comprises a base 1, a dial indicator detection head 6, a transmission assembly and a clamping assembly, wherein the transmission assembly is used for enabling the dial indicator detection head 6 to horizontally move, the dial indicator detection head 6 is located at a moving part of the transmission assembly and is movably connected with the transmission assembly, the clamping assembly is installed on the base 1 and corresponds to the dial indicator detection head 6, the clamping assembly clamps and limits a crankshaft 8, a worker manually operates the transmission assembly to enable the dial indicator detection head 6 to be in contact with the crankshaft 8 to be detected, the clamping assembly is slowly rotated, and the dial indicator detection head 6 completes detection of the crankshaft 8;

in this embodiment, be provided with two supports 2 between transmission assembly and the base 1, transmission assembly bottom is through two supports 2 and base 1 fixed connection.

In this embodiment, the transmission assembly includes a first fixing plate 10, a second fixing plate 11, a connecting block 12, a lead screw 13 and a slider 15; the first fixing plate 10 and the second fixing plate 11 are respectively fixed at the upper ends of the two brackets 2, the screw 13 is arranged between the first fixing plate 10 and the second fixing plate 11, the screw 13 is respectively rotatably connected with the first fixing plate 10 and the second fixing plate 11, the connecting block 12 is sleeved outside the screw 13 and is in threaded connection with the screw, the slider 15 is positioned at the front end of the connecting block 12 and is fixedly connected with the connecting block, a slide rail 14 is also connected between the first fixing plate 10 and the second fixing plate 11, the slider 15 is connected with the slide rail 14 in a sliding fit manner, one side of the first fixing plate 10 is provided with a rotating handle 9, the rotating handle 9 penetrates through the first fixing plate 10 and is fixedly connected with the lead screw 13, a person operates the rotating handle 9 to drive the lead screw 13 to rotate, the connecting block 12 is in threaded fit connection with the lead screw 13, the rotating motion of the lead screw 13 is converted into the linear motion of the connecting block 12, and the linear motion of the connecting block 12 drives the sliding block 15 to move on the sliding rail 14;

in the embodiment, the dial indicator detection head 6 vertically penetrates through the sliding block 15 and is movably connected with the sliding block, the dial indicator detection head 6 moves horizontally under the action of the sliding block 15 and is also movably connected with the sliding block 15 in the vertical direction, the movable connection mode can be threaded connection or sliding connection, and the dial indicator detection head 6 can move vertically so as to adjust the distance between the dial indicator detection head 6 and the crankshaft 8;

in this embodiment, the clamping assembly includes a fixed seat 3, a movable seat 4, and a rotating shaft 7 located on the movable seat 4; the fixed seat 3 is fixedly arranged on the base 1, the movable seat 4 is arranged in parallel with the fixed seat 3 and is movably connected with the base 1, the rotating shaft 7 is rotatably connected with the movable seat 4 through a bearing 17, circular grooves are formed in the opposite end surfaces of the fixed seat 3 and the rotating shaft 7, the central lines of the two circular grooves are overlapped, an adjusting bolt 16 is arranged on the rotating shaft 7 at the position corresponding to the circular grooves, the adjusting bolt 16 penetrates through the rotating shaft 7 and extends into the circular grooves, one end of the crankshaft 8 is arranged in the circular groove of the fixed seat 3 when being installed, the other end of the crankshaft 8 is inserted into the circular groove of the movable seat 4, and then the crankshaft 8 is fixed by abutting against the crankshaft 8 through rotating the;

in this embodiment, still be provided with spout 5 on the base 1, the bottom of sliding seat 4 is located spout 5 and is connected with spout 5 sliding fit, and its length of different bent axles 8 is different, and during the installation sliding seat 4 can remove in spout 5, adjusts distance and bent axle 8 phase-match between sliding seat 4 and the fixing base 3 according to the length of bent axle 8.

During operation, the crankshaft 8 to be detected is installed in the clamping assembly and is firmly fixed through the adjusting bolt 16 of the clamping assembly, then a person manually rotates the rotating handle 9 to drive the transmission assembly to move, the transmission assembly converts the rotation of the lead screw 13 into linear movement of the sliding block 15, the rotating handle 9 is rotated to move the dial indicator detecting head 6 positioned on the sliding block 15 to the detecting surface of the crankshaft 8 to be detected, the dial indicator detecting head 6 is operated to move downwards in the sliding block 15 to be in contact with the detecting surface of the crankshaft 8, the rotating shaft 7 is slowly rotated, the rotating shaft 7 rotates together with the crankshaft 8 under the action of the bearing 17, and the dial indicator detecting head 6 completes detection of the crankshaft 8.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. Bent axle eccentric positioning detection device for compressor, its characterized in that: including base, percentage table detection head, supply the percentage table to detect first horizontal migration's drive assembly and centre gripping subassembly, the percentage table detects the head and is located drive assembly's removal portion and rather than swing joint, centre gripping subassembly install on the base with the percentage table detect the corresponding position of head.

2. The eccentric positioning detecting device of crankshaft for compressor according to claim 1, characterized in that: two supports are arranged between the transmission component and the base, and the bottom of the transmission component is fixedly connected with the base through the two supports.

3. The eccentric positioning detecting device of crankshaft for compressor according to claim 2, characterized in that: the transmission assembly comprises a first fixing plate, a second fixing plate, a connecting block, a lead screw and a sliding block; first fixed plate, second fixed plate are fixed respectively in the upper end of two supports, the lead screw sets up between first fixed plate, second fixed plate and the lead screw rotates respectively with first fixed plate, second fixed plate to be connected, the connecting block cover is established at the lead screw outside and rather than threaded connection, the slider is located the front end of connecting block and rather than fixed connection, still be connected with the slide rail between first fixed plate, the second fixed plate, the slider is connected with slide rail sliding fit, first fixed plate one side is provided with rotatory handle, and rotatory handle pass first fixed plate and with lead screw fixed connection.

4. The eccentric positioning detecting device of crankshaft for compressor according to claim 3, characterized in that: the dial indicator detection head vertically penetrates through the sliding block and is movably connected with the sliding block.

5. The eccentric positioning detecting device of crankshaft for compressor according to claim 3, characterized in that: the clamping assembly comprises a fixed seat, a movable seat and a rotating shaft positioned on the movable seat; fixing base fixed mounting is on the base, sliding seat and fixing base parallel arrangement and with base swing joint, the pivot is passed through the bearing and is connected with the sliding seat rotation, the circular slot has all been seted up on the relative terminal surface of fixing base, pivot to the central line coincidence of two circular slots, it is provided with adjusting bolt to correspond circular slot position department in the pivot, and adjusting bolt passes the pivot and extends to the circular slot in.

6. The eccentric positioning detecting device of crankshaft for compressor according to claim 5, characterized in that: the base is further provided with a sliding groove, and the bottom of the movable seat is located in the sliding groove and connected with the sliding groove in a sliding fit mode.