CN204263023U - A kind of locking positioning device - Google Patents

Abstract

The utility model proposes a kind of locking positioning device.This locking positioning device comprises retaining mechanism and executing agency, retaining mechanism comprises the locking seat be installed on the first locking member and the fixed mounting be installed on the second locking member, fixed mounting is hinged by bearing pin and axle sleeve and swing span, swing span connects locking nail, the locking conical socket of seat and the cone point phase configuration of locking nail; Executing agency comprises motor, proximity switch and tablet, and the output shaft of motor drives bearing pin to rotate, and realizes the swing of swing span, is controlled startup and the stopping of motor by tablet and proximity switch.The utility model structure is simple, easy to use, can realize the automation mechanized operation of locking positioning device.

Description

A locking device

technical field

The utility model belongs to the technical field of locking and positioning devices, in particular to a locking and positioning device.

Background technique

In the field of construction machinery, considering the requirements of safety and reliability, many equipment components need to be locked and positioned. The locking and positioning devices in use at present can be roughly divided into electromagnetic type, hydraulic type and mechanical type, among which the mechanical locking device is the most widely used and has high reliability.

There are many structural types of mechanical locking devices, but their working principles are basically the same. According to its function, it can be divided into: ordinary disassembly and assembly locking device and quick disassembly and assembly locking device. Ordinary disassembly and assembly locking devices are laborious, time-consuming and unsafe to assemble and disassemble, and are rarely used now. In order to better solve the problem of fast disassembly and locking between fixed parts and moving parts, more and more locking devices have been applied to engineering practice. Among them, the most economical, practical and effective method is to use two Direct pins are inserted between parts to achieve positioning. Although the direct pin can ensure the positioning of the mechanism in the direction of motion, due to the large positive tolerance between the pin shaft and the pin hole, the axial direction is not easy to lock, and it is prone to radial and axial shaking under the action of external force, especially in the In the equipment with transmission and mechanical vibration, the safe and reliable locking effect cannot be guaranteed, and most of them currently use manual latching, which not only wastes manpower and material resources, but also has certain safety hazards. In view of the problems of the above-mentioned quick disassembly and assembly locking device, the present invention aims to design a quick positioning and locking device that is simple in structure, easy to disassemble and safe and reliable.

Contents of the invention

The technical problem to be solved by the utility model is to provide a locking and positioning device to realize automatic operation of the locking and positioning device in view of the above existing problems.

The technical solution adopted by the utility model to solve the above technical problems is: a locking positioning device, which is characterized in that it includes a locking mechanism and an actuator, and the locking mechanism includes a locking seat installed on the first locking member And the fixed mounting seat installed on the second locking member, the center of the top surface of the locking seat has a tapered groove, the fixed mounting seat is hinged with the swing frame through the pin shaft and the bushing, and the swing frame Connect the locking nail, the locking nail is a cylindrical threaded rod, the bottom of the threaded rod is a tapered tip, and the tapered groove is configured with the tapered tip; the actuator includes a motor, a proximity switch and an induction plate, the output shaft of the motor is connected to one end of the pin shaft, the induction plate is installed on the first locking member, the proximity switch is connected to the power supply of the motor through a line, and the proximity switch is installed on the The position corresponding to the proximity switch on the second locking member.

According to the above scheme, the fixed mounting seat is a fork-shaped saddle composed of a base plate and two support plates mounted on the base plate in parallel and symmetrically. The two support plates are symmetrically opened with shaft holes, locking positioning holes and Disengage the positioning hole, a shaft sleeve is installed in the shaft hole, the pin shaft is installed in cooperation with the shaft sleeve, the center connection line between the locking positioning hole and the shaft hole and the center of the positioning hole and the shaft hole are disengaged The connecting lines intersect vertically; the swing frame includes a swing arm, a connecting plate and an extension arm, a pin hole is opened in the center of the lower part of the swing arm, and a positioning hole is opened above the pin hole, and the positioning hole is aligned with the center of the pin hole , the swing arm is installed between the two support plates, the pin shaft passes through the pin hole in the lower part of the swing arm and is fixedly connected by fastening screws, the connecting plate is installed on the upper side of the outer side of the swing arm, and the center position of the outer side of the connecting plate is Install the extension arm, the extension arm is a cylindrical structure with a bump connected on the top circumference surface, the end surface of the cylinder side of the extension arm is connected with the connecting plate, the end of the bump is provided with a threaded hole, the The axis of the threaded hole is perpendicular to the axis of the pin hole, the threaded hole is configured with the cylindrical threaded rod of the locking nail, and the locking nail is connected with the projection through a nut.

According to the above scheme, the other end surface of the cylinder of the extension arm is connected with a handle.

The beneficial effects of the utility model are: 1. A locking and positioning device is provided, which is simple in structure and easy to maintain, and the existing device can be modified; Through the cooperation of the tapered head and the tapered groove, there is no gap in the axial and radial directions after locking, the locking effect is good, and the positioning accuracy is high; 3. The automatic operation of the locking and positioning device is realized through the cooperation of the motor and the sensor.

Description of drawings

Fig. 1 is the front view of an embodiment of the utility model.

Fig. 2 is a left side view of Fig. 1 .

FIG. 3 is an S-direction view of FIG. 1 .

Fig. 4 is a view along the direction A of Fig. 2 .

Fig. 5 is a schematic diagram of the installation of the fixed mounting base and the swing frame according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a swing frame according to an embodiment of the present invention.

Among them: 1. Locking seat, 2. Fixed mounting seat, 3. Tapered groove, 4. Pin shaft, 5. Bushing, 6. Locking nail, 7. Motor, 8. Proximity switch, 9. Induction plate, 10 .First locking piece, 11. Second locking piece, 12. Bottom plate, 13. Support plate, 14. Shaft hole, 15. Locking positioning hole, 16. Release positioning hole, 17. Swing arm, 18. Connecting plate, 19. extending arm, 20. pin hole, 21. positioning hole, 22. fastening screw, 23. bump, 24. handle.

Detailed ways

In order to better understand the utility model, the utility model will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in Figures 1-4, a locking positioning device includes a locking mechanism and an actuator. The locking mechanism includes a locking seat 1 installed on the first locking member 10 and a locking seat 1 installed on the second locking member 11. The fixed mounting seat 2, the center position of the top surface of the locking seat 1 has a tapered groove 3, the fixed mounting seat 2 is hinged with the swing frame through the pin shaft 4 and the bushing 5, the swing frame is connected with the locking nail 6, and the locking nail is Cylindrical threaded rod, the bottom of the threaded rod is a tapered tip, and the tapered groove 3 is configured with the tapered tip; the actuator includes a motor 7, a proximity switch 8 and an induction plate 9, the output shaft of the motor 7 and one end of the pin shaft 4 Connected, the induction plate 9 is installed on the first locking member 10, the proximity switch 8 is connected to the power supply of the motor through the line, the proximity switch is installed on the second locking member 11 at a position corresponding to the proximity switch, the output shaft of the motor 7 It is connected with the swing frame through the pin shaft 4, and the locking and unlocking functions of the device are realized by controlling the output shaft of the motor and then controlling the swing of the swing frame; the proximity switch 8 is installed on the second locking member 11, and the induction plate 9 is installed on the first lock On the tightening part 10, when the first locking part and the second locking part are in the locked position, the proximity switch contacts the induction plate; when the first locking part and the second locking part are in the disengaged position, the proximity switch and the The induction board is separated, and the on-off of the power supply of the motor is controlled through the contact and separation of the proximity switch and the induction board, thereby realizing locking and unlocking.

As shown in Figures 5 and 6, the fixed mounting seat 2 is a fork-shaped saddle composed of a base plate 12 and two support plates 13 parallel and symmetrically installed on the base plate. The two support plates 13 are symmetrically provided with shaft holes 14 for locking. Positioning hole 15 and release positioning hole 16, shaft sleeve 5 is installed in the shaft hole 14, pin shaft 4 is installed with the shaft sleeve, lock the center connection line between positioning hole 15 and shaft hole and disengage positioning hole 16 and shaft hole The connecting lines of the centers are vertically intersected; the swing frame includes a swing arm 17, a connecting plate 18 and an extension arm 19, a pin hole 20 is opened in the center of the lower part of the swing arm 17, and a positioning hole 21 is opened above the pin hole 20, and the positioning hole 21 and the pin hole 20 The center is aligned, the swing arm is installed between two support plates 13, the pin shaft 4 passes through the pin hole at the bottom of the swing arm and is fixedly connected by the fastening screw 22, and the connecting plate 18 is installed on the upper side of the swing arm, and the connecting plate 18 The center position of the outer surface of the arm 19 is installed, and the arm 19 is a cylindrical structure connected with a bump 23 on the top peripheral surface. There is a threaded hole, the axis of the threaded hole is perpendicular to the axis of the pin hole, the threaded hole is configured with the cylindrical threaded rod of the locking nail 6, the locking nail is connected with the projection through a nut, and the other side end surface of the cylinder extending the arm is connected with a The handle 24 is convenient for manual operation. After installation, the swing frame can swing around the pin shaft 4. The shaft sleeve 5 is made of a material with lubricating properties. The outer ring of the shaft sleeve is tightly fitted in the shaft hole 14. The inner ring of the shaft sleeve and the pin shaft Loosely assembled, the pin shaft can rotate on the inner ring of the shaft sleeve, which drives the swing frame to swing around the pin shaft to realize the locking and unlocking functions.

The locking and positioning device can use the handle to perform manual locking and unlocking operations. When the locking operation is required, hold the handle 24 and push the swing frame down until the tapered tip of the locking nail 6 is inserted into the tapered groove 3. At this time, the first A locking member 10 is locked with the second locking member 11, and the positioning hole 21 corresponds to the locking positioning hole 15, and the swing arm 17 and the support plate 14 are positioned through the pin shaft to maintain the locked state; when an unlocking operation is required, Hold the handle 24 and pull the swing frame upwards until the handle reaches the vertical position. At this time, the first locking member 10 is disengaged from the second locking member 12. The positioning hole 21 corresponds to the disengaging positioning hole 16. The swing arm is made to move through the pin shaft. 17 is positioned with the support plate 14 and keeps the unlocked state.

Claims (3)

1. a locking positioning device, it is characterized in that, comprise retaining mechanism and executing agency, described retaining mechanism comprises the locking seat be installed on the first locking member and the fixed mounting be installed on the second locking member, described locking seat end face center has conical socket, described fixed mounting is hinged by bearing pin and axle sleeve and swing span, described swing span connects locking nail, described locking nail is cylindrical thread bar, the bottom of described threaded rod is cone point, described conical socket and described cone point phase configuration; Described executing agency comprises motor, proximity switch and tablet, the output shaft of described motor is connected with one end of described bearing pin, described tablet is installed on described first locking member, proximity switch is connected with the power supply of motor by circuit, and described proximity switch is installed on position corresponding with proximity switch on described second locking member.

2. a kind of locking positioning device according to claim 1, it is characterized in that, described fixed mounting is the fork-shaped saddle that base plate and Parallel Symmetric are installed on two pieces of gripper shoes formations on described base plate, in described two pieces of gripper shoes, symmetry has axis hole, locking positioning hole and throws off locating hole, in described axis hole, axle sleeve is installed, described bearing pin coordinates with described axle sleeve to be installed, and the line of centres of described locking positioning hole and axis hole intersects vertically with the line of centres of throwing off locating hole and axis hole, described swing span comprises swing arm, connecting plate and cantilever arm, described swing arm lower central has pin-and-hole, locating hole is had above described pin-and-hole, described locating hole and pin-and-hole central alignment, swing arm is installed between described two pieces of gripper shoes, described bearing pin is fixedly connected with by trip bolt through the pin-and-hole of swing arm bottom, described connecting plate is installed on swing arm lateral surface top, described cantilever arm is installed in connecting plate lateral surface center, cantilever arm is cylindrical structure top circumference face being connected with projection, cylinder one side end face of cantilever arm is connected with connecting plate, described projection end has screwed hole, the axis of described screwed hole and the axes normal of pin-and-hole are arranged, the cylindrical thread bar phase configuration of screwed hole and described locking nail, locking nail is connected with projection by nut.

3. a kind of locking positioning device according to claim 2, is characterized in that, the opposite side end face of the cylinder of described cantilever arm is connected with handle.