CN207534299U - Ball valve telescopic joint fast assembling-disassembling equipment - Google Patents

Abstract

The utility model discloses a quick disassembly and assembly device for a ball valve telescopic joint, which comprises a vehicle frame (1), a moving wheel (2) is arranged at the bottom of the vehicle frame (1), and supports are respectively provided at the front and rear ends above the vehicle frame (1). block (3), a lift cylinder (4) is provided between the two support blocks (3), a support frame (5) is provided at the extended end of the lift cylinder (4), and an arc plate (5) is provided at the upper end of the support frame (5) 6), the inner wall of the arc-shaped plate (6) is provided with a plurality of grooves, and each groove is provided with a magnet (7); the left end of the frame (1) is provided with a bolt disassembly mechanism (8), and the vehicle The right end of the frame (1) is provided with an expansion joint fixing mechanism (9). The utility model has the characteristics of reducing the difficulty of operation, reducing the labor intensity of workers and improving the efficiency of disassembly.

Description

Ball valve telescopic joint quick disassembly equipment

technical field

The utility model relates to a dismantling device for an expansion joint, in particular to a quick disassembly and assembly device for a ball valve expansion joint.

Background technique

When performing maintenance on the sealing performance of the ball valve, it is necessary to remove the expansion joint and move it to a maintenance site that does not hinder the removal of the working seal of the ball valve. Since the expansion joint and the ball valve are connected by multiple bolts, it is necessary to use a guide chain to fix the expansion joint during the dismantling operation, and then manually remove the bolts. Due to the large number of bolts, the labor intensity of the workers is relatively high. In the process of transporting the expansion joint, the track is first laid with square wood, and then the guide chain is hung on the two lifting points set above. The force is on the expansion joint, and then the expansion joint is laid on the square wood by operating the guide chain. Slowly roll on the track to move to the designated position, and operate in a limited space, which not only increases the difficulty of the operation, but also increases the labor intensity of the workers and reduces the demolition speed. Therefore, the existing technology has the problems of high difficulty in operation, high labor intensity and low disassembly efficiency.

Utility model content

The purpose of the utility model is to provide a quick disassembly and assembly device for the expansion joint of the ball valve. The utility model has the characteristics of reducing the difficulty of operation, reducing the labor intensity of workers and improving the efficiency of disassembly.

The technical scheme of the utility model: the quick disassembly and assembly equipment of the ball valve expansion joint, including the frame, the bottom of the frame is provided with moving wheels, the front and rear ends above the frame are respectively provided with support blocks, and a lifting cylinder is provided between the two support blocks , the extension end of the lifting cylinder is provided with a support frame, the upper end of the support frame is provided with an arc plate, and the inner wall of the arc plate is provided with a plurality of grooves, and each groove is provided with a magnet; the left end of the frame is provided with a bolt Disassembly mechanism, the right end of the frame is equipped with a telescopic joint fixing mechanism.

In the aforementioned quick disassembly and assembly equipment for the expansion joint of the ball valve, the support block includes a support block body, and the inner wall of the support block body is provided with an arc-shaped support surface.

In the aforementioned quick disassembly and assembly equipment for the expansion joint of the ball valve, the expansion joint fixing mechanism includes a first hydraulic lifting rod arranged at the right end of the vehicle frame, an arc-shaped clamp is arranged on the upper end of the first hydraulic lifting rod, and a An electromagnet is provided; a pressure sensor is also arranged on the inner wall of the arc-shaped fixture.

In the aforementioned quick disassembly and assembly equipment for the expansion joint of the ball valve, the bolt disassembly mechanism includes two horizontal slide rails respectively arranged in parallel at the left end of the vehicle frame, and a sliding seat is arranged between the two horizontal slide rails. The ends are respectively equipped with a longitudinal translation mechanism, and a second hydraulic lifting rod is arranged above the longitudinal translation mechanism. The upper end of the second hydraulic lifting rod is provided with a base plate. device; the longitudinal translation mechanism includes two support seats arranged in the front and back of the slide seat, a longitudinal screw and a longitudinal guide rod are arranged between the two support seats, a nut slide is provided on the longitudinal screw, and the bottom of the nut slide A guide seat matched with the longitudinal guide rod is also provided, and the longitudinal screw rod is connected with a longitudinal drive motor.

In the aforementioned quick disassembly and assembly equipment for the expansion joint of the ball valve, a hydraulic cylinder is provided on the side of the sliding seat, and a push rod is provided at the extension end of the hydraulic cylinder, and the ejector rod is connected with the sliding seat; a limit sensor is also provided on the sliding seat .

Compared with the prior art, the utility model plays the purpose of fixing during the disassembly and assembly of the expansion joint through the mutual cooperation of the lifting cylinder, the support frame, the arc plate and the magnet on the frame, which is beneficial to improve the The speed of disassembly and installation can also improve the accuracy of the expansion joint installation process; at the same time, the support blocks arranged at the front and rear ends of the frame can fix the expansion joint during transportation, which is conducive to improving the transportation stability of the expansion joint The combination of the two greatly improves the efficiency and stability of disassembly and assembly of the expansion joint of the ball valve. Bolt disassembly and assembly mechanisms and expansion joint fixing mechanisms are respectively installed at the left and right ends of the frame to realize automatic disassembly and assembly of bolts, which not only reduces the difficulty of disassembly and assembly, but also helps to reduce the labor intensity of workers, and also improves disassembly. Install efficiency. To sum up, the utility model has the characteristics of reducing the difficulty of operation, reducing the labor intensity of workers and improving the efficiency of disassembly.

Description of drawings

Fig. 1 is the top view of the utility model;

Fig. 2 is the right view of the utility model;

Fig. 3 is a structural schematic diagram of a bolt dismounting mechanism;

Fig. 4 is a control diagram of the utility model.

The marks in the accompanying drawings are: 1-vehicle frame, 2-moving wheel, 3-support block, 4-lift cylinder, 5-support frame, 6-arc plate, 7-magnet, 8-bolt disassembly mechanism, 9-Expansion joint fixing mechanism, 10-Controller, 301-Support block body, 302-Arc support surface, 901-First hydraulic lifting rod, 902-Arc fixture, 903-Electromagnet, 904-Pressure sensor, 801 -Transverse slide rail, 802-sliding seat, 803-second hydraulic lifting rod, 804-base plate, 805-bolt tensioner, 806-infrared laser centering device, 807-support seat, 808-longitudinal screw rod, 809- Longitudinal guide rod, 810-nut slider, 811-longitudinal drive motor, 812-hydraulic cylinder, 813-ejector, 814-limit sensor.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and embodiments, but it is not used as a basis for limiting the utility model.

Example. The quick disassembly and assembly equipment for ball valve expansion joints is composed as shown in Figure 1 to Figure 4, including a frame 1, a moving wheel 2 is provided at the bottom of the frame 1, and support blocks 3 are respectively provided at the front and rear ends above the frame 1, two Lifting cylinder 4 is arranged between support block 3, and lifting cylinder 4 extension end is provided with support frame 5, and support frame 5 upper end is provided with arc plate 6, and arc plate 6 inner wall is provided with a plurality of grooves, and each recess A magnet 7 is arranged in the slot; a bolt dismounting mechanism 8 is provided at the left end of the vehicle frame 1, and a telescopic joint fixing mechanism 9 is provided at the right end of the vehicle frame 1.

The support block 3 includes a support block body 301 , and the inner wall of the support block body 301 is provided with an arc-shaped support surface 302 .

The expansion joint fixing mechanism 9 includes a first hydraulic lifting rod 901 arranged on the right end of the vehicle frame 1, an arc-shaped clamp 902 is arranged on the upper end of the first hydraulic lifting rod 901, and an electromagnet 903 is arranged on the inner wall of the arc-shaped clamp 902; A pressure sensor 904 is also provided on the inner wall of the arc-shaped fixture 902 .

The bolt dismounting mechanism 8 includes two horizontal slide rails 801 which are respectively arranged in parallel on the left end of the vehicle frame 1, a slide seat 802 is arranged between the two transverse slide rails 801, and the front and rear ends above the slide seat 802 are respectively provided with Longitudinal translation mechanism, a second hydraulic lifting rod 803 is arranged above the longitudinal translation mechanism, a base plate 804 is arranged on the upper end of the second hydraulic lifting rod 803, a bolt tensioner 805 is arranged on the upper end of the base plate 804, and an infrared laser is arranged on the bolt tensioner 805 Centering device 806; the longitudinal translation mechanism includes two support bases 807 arranged front and back on the slide seat 802, a longitudinal screw rod 808 and a longitudinal guide rod 809 are arranged between the two support bases 807, and the longitudinal screw rod 808 is provided with Nut sliding seat 810 , and the bottom of nut sliding seat 810 is provided with a guide seat matched with longitudinal guide rod 809 , and longitudinal screw rod 808 is connected with longitudinal driving motor 811 .

The side of the sliding seat 802 is also provided with a hydraulic cylinder 812, and the extending end of the hydraulic cylinder 812 is provided with a push rod 813, and the ejector rod 813 is connected with the sliding seat 802; the sliding seat 802 is also provided with a limit sensor 814.

A manual fine-tuning mechanism is also provided between the two support blocks, and the lifting cylinder is located above the manual fine-tuning mechanism.

The manual fine-tuning mechanism includes a horizontal guide rail arranged between two support blocks, a horizontal slide seat is embedded on the horizontal guide rail, a chute is provided on the side wall of the transverse guide rail, and a connecting link connected with the horizontal slide seat is arranged in the chute. The connecting rod is provided with a transmission gear; the side of the transverse guide rail is also provided with a transmission chain meshed with the transmission gear, the left and right ends of the transmission chain are respectively provided with a main transmission shaft and a slave transmission shaft, and the main transmission shaft is connected with a handle.

The chute is an inclined structure. It is beneficial to adjust the height of the lifting cylinder.

Both the main drive shaft and the slave drive shaft are provided with gears meshed with the drive chain.

The pressure sensor 904 is connected with a controller 10, and the controller 10 is connected with the electromagnet 903 and the first hydraulic lifting rod 901 respectively.

The controller 10 is also connected to the lifting cylinder 4 and the bolt dismounting mechanism 8 respectively.

The connection relationship between the controller 10 and the components in the bolt dismounting mechanism 8: the controller 10 and the limit sensor 814, the second hydraulic lifting rod 803, the longitudinal drive motor 811, the bolt tensioner 805, and the infrared laser centering device 806 and hydraulic cylinder 812 are connected.

The arc-shaped plate is provided with a second pressure sensor, and the second pressure sensor is connected with the controller.

The horizontal direction of the vehicle frame refers to the left-right direction of the vehicle frame, and the longitudinal direction of the vehicle frame refers to the front-rear direction of the vehicle frame.

Two transverse slide rails are arranged in parallel front and back.

The working process of the utility model: move the vehicle frame to the bottom of the expansion joint to be disassembled, and manually adjust the position. The controller controls the lifting cylinder to rise until it touches the bottom of the telescopic joint, and the magnet absorbs the telescopic joint; then, the controller controls the telescopic joint fixing mechanism at the right end of the frame to work, and the first hydraulic lifting rod rises until the arc clamp and the telescopic joint Contact, the controller controls the electromagnet to be energized to fix the telescopic joint at the right end. Then, the controller controls the bolt dismounting mechanism to work: first, the controller first controls the hydraulic cylinder to output the corresponding output force according to the signal of the limit sensor to adjust the lateral position of the slide seat, and then the controller controls the second The hydraulic lifting rod rises to the highest point, and the second hydraulic lifting rod at the rear end drops to the lowest point, and then the controller controls the vertical translation mechanism at the upper end of the two second hydraulic lifting rods to work according to the infrared laser plummet, driving the two The bolt tensioner moves to the positions corresponding to the bolts at the upper and lower ends of the ball valve expansion joint, and then the controller controls the hydraulic cylinder to work so that the bolt tensioner contacts the bolts, and at the same time the controller controls the bolt tensioner to work, Carry out bolt removal. The two bolt tensioners work symmetrically, that is, the bolt tensioner at the front end works from top to bottom, and the bolt tensioner at the rear end performs bolt disassembly and assembly work from bottom to top. After the bolts are removed, the lifting cylinder and the first hydraulic lifting rod descend at the same time, and the lifting cylinder continues to descend until the arc plate is separated from the telescopic joint, the telescopic joint is in contact with the support block, and the first lifting rod descends to meet the arc. until the lowest point of the board is even. The controller controls the electromagnet to output the corresponding magnetic force according to the signal of the pressure sensor. Finally, manually push the telescopic joint away; when it is necessary to fine-tune the longitudinal position of the telescopic joint, turn the rotary handle to drive the transmission chain to drive the transmission gear to rotate, thereby enabling the transverse slide to move along the transverse guide rail.

Claims (5)

1. Quick disassembly and assembly equipment for ball valve telescopic joints, characterized in that: it includes a frame (1), the bottom of the frame (1) is equipped with moving wheels (2), and the front and rear ends above the frame (1) are respectively equipped with support blocks (3), a lift cylinder (4) is provided between the two support blocks (3), a support frame (5) is provided at the extended end of the lift cylinder (4), and an arc-shaped plate (6) is provided at the upper end of the support frame (5). ), the inner wall of the arc-shaped plate (6) is provided with a plurality of grooves, and each groove is provided with a magnet (7); the left end of the frame (1) is provided with a bolt disassembly mechanism (8), and the frame (1) The right end is provided with an expansion joint fixing mechanism (9). 2. The ball valve telescopic joint quick disassembly device according to claim 1, characterized in that: the support block (3) includes a support block body (301), and the inner wall of the support block body (301) is provided with an arc-shaped support surface ( 302). 3. The ball valve telescopic joint quick disassembly device according to claim 1, characterized in that: the telescopic joint fixing mechanism (9) includes a first hydraulic lifting rod (901) arranged at the right end of the vehicle frame (1), The upper end of the first hydraulic lifting rod (901) is provided with an arc-shaped clamp (902), and an electromagnet (903) is provided on the inner wall of the arc-shaped clamp (902); Pressure sensor (904). 4. The quick disassembly and assembly equipment for ball valve telescopic joints according to claim 1, characterized in that: the bolt disassembly mechanism (8) includes two horizontal slide rails (801) respectively arranged in parallel at the left end of the vehicle frame (1) ), a sliding seat (802) is provided between two horizontal slide rails (801), a longitudinal translation mechanism is provided at the front and rear ends above the sliding seat (802), and a second hydraulic lifting rod (803 ), the upper end of the second hydraulic lifting rod (803) is provided with a base plate (804), the upper end of the base plate (804) is provided with a bolt tensioner (805), and the bolt tensioner (805) is provided with an infrared laser centering device (806 ); the longitudinal translation mechanism includes two support seats (807) arranged front and back on the slide seat (802), and a longitudinal screw rod (808) and a longitudinal guide rod (809) are arranged between the two support seats (807), A nut slider (810) is provided on the longitudinal screw rod (808), and a guide seat matched with the longitudinal guide rod (809) is provided at the bottom of the nut slider (810), and the longitudinal screw rod (808) is connected with a longitudinal drive motor (811). 5. The ball valve telescopic joint quick disassembly device according to claim 4, characterized in that: the side of the sliding seat (802) is also provided with a hydraulic cylinder (812), and the extension end of the hydraulic cylinder (812) is provided with a top The rod (813), the ejector rod (813) is connected with the sliding seat (802); the sliding seat (802) is also provided with a limit sensor (814).