Tube drawing trolley for cast tube centrifugal machine

Abstract

The utility model relates to the technical field of cast pipe production equipment, and provides a pipe drawing trolley for a cast pipe centrifugal machine, which comprises a trolley body, a walking track, a walking motor, a pipe drawing clamp, a first lifting carrier roller device and a second lifting carrier roller device, the walking motor is arranged on one side of the walking track, and the output end of the walking motor is in transmission connection with the rotating shaft; a chain wheel is arranged on the rotating shaft, and a chain is arranged on the chain wheel in a matched mode; the vehicle body is fixedly connected with the chain; the vehicle body is movably arranged on the walking track; a pipe drawing cylinder in the horizontal direction is arranged on the vehicle body, and a pipe drawing clamp is arranged at the end part of a telescopic rod of the pipe drawing cylinder; the first lifting carrier roller device and the second lifting carrier roller device are arranged on the inner sides of two guide rails of the walking track respectively. The two lifting carrier roller devices are arranged and can support a cast tube in the tube drawing process and the moving process of the vehicle body after tube drawing, so that the cast tube runs stably, the cast tube is prevented from inclining due to gravity, and the service life of the tube drawing pliers is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to cast pipe production equipment technical field especially relates to a pipe pulling vehicle for cast pipe centrifuge. BACKGROUND

[0002] The centrifuge is the forming equipment of nodular cast iron pipe (referred to as cast pipe), and after the cast pipe is formed, the cast pipe needs to be pulled out from the centrifuge pipe mould through the pipe pulling vehicle.

[0003] The current pipe pulling vehicle mainly relies on the pipe pulling clamp to clamp the cast pipe, and after the pipe pulling clamp clamps the cast pipe, the pipe pulling vehicle moves to pull out the cast pipe. During the pulling out of the cast pipe and the movement of the pipe pulling vehicle, the cast pipe is mainly supported by the clamping force of the pipe pulling clamp; due to the large weight of the cast pipe, the cast pipe may tilt due to gravity, and the pipe pulling clamp bears a large stress, thereby reducing the service life of the pipe pulling clamp. In addition, after the pipe pulling vehicle is moved to the position, the cast pipe is transported to the next station through the lifting tool, thereby making the subsequent transfer of the cast pipe inconvenient. SUMMARY

[0004] The utility model mainly solves the technical problem that the pipe pulling vehicle of prior art mainly relies on the clamping force of the pipe pulling clamp to support the cast pipe during the pulling out of the cast pipe and the movement of the pipe pulling vehicle, the cast pipe may tilt due to gravity, the pipe pulling clamp bears a large stress, thereby reducing the service life of the pipe pulling clamp, and provides a pipe pulling vehicle for cast pipe centrifuge, two lifting roller devices can support the cast pipe during the pipe pulling process and the movement of the vehicle body after the pipe pulling, can bear the weight of the cast pipe, make the cast pipe run stably, prevent the cast pipe from tilting due to gravity, and prolong the service life of the pipe pulling clamp.

[0005] The utility model provides a pipe pulling vehicle for cast pipe centrifuge, include: vehicle body, walking track, walking motor, pipe pulling clamp, first lifting roller device and second lifting roller device,

[0006] The walking motor is arranged on one side of the walking track, and the output end of the walking motor is in transmission connection with the rotating shaft; a chain wheel is arranged on the rotating shaft, and a chain is arranged on the chain wheel in a matched mode;

[0007] The vehicle body is fixedly connected with the chain, and the vehicle body is movably arranged on the walking track;

[0008] A horizontal pipe pulling cylinder is arranged on the vehicle body, and a telescopic rod end of the pipe pulling cylinder is provided with the pipe pulling clamp;

[0009] The first lifting roller device and the second lifting roller device are arranged on the inner sides of the two guide rails of the walking track respectively;

[0010] The first lifting roller device and the second lifting roller device respectively include a roller support, a swing arm, a swing cylinder and a V-shaped roller;

[0011] The supporting roller bracket is hinged with a swing cylinder, and the top of the supporting roller bracket is hinged with a swing arm; the swing cylinder is hinged with the swing arm at the end of the telescopic rod; and the swing arm is provided with a V-shaped supporting roller at the top.

[0012] Preferably, the output end of the walking motor is connected with the rotating shaft through a speed reducer.

[0013] Preferably, the pipe pulling pliers comprise a pipe pulling pliers driving seat, a pipe pulling pliers driving member, a pipe pulling pliers head, an anti-skid gasket, a pipe pulling pliers arm and a pipe pulling pliers base.

[0014] The cylinder body end of the pipe pulling cylinder is provided with the pipe pulling pliers base; and the pipe pulling pliers base is uniformly hinged with a plurality of pipe pulling pliers arms in the circumferential direction.

[0015] The telescopic rod end of the pipe pulling cylinder is provided with the pipe pulling pliers driving seat; and the pipe pulling pliers driving seat is uniformly hinged with a plurality of pipe pulling pliers driving members in the circumferential direction.

[0016] The pipe pulling pliers driving member is further hinged with the corresponding pipe pulling pliers arm.

[0017] The outer side of the pipe pulling pliers arm is provided with the pipe pulling pliers head, and the pipe pulling pliers head is provided with the anti-skid gasket.

[0018] The two lifting supporting roller devices are arranged in the inner sides of the two guide rails of the walking track, are lowered when the pipe pulling vehicle is advancing, and are sequentially raised when the pipe pulling vehicle is retreating, without increasing the equipment space and affecting the movement of the pipe pulling vehicle. The two lifting supporting roller devices can support the cast pipe during the pipe pulling process and the pipe pulling vehicle body movement process, can bear the cast pipe, can make the cast pipe run stably, and can prevent the cast pipe from tilting due to gravity. Moreover, the two lifting supporting roller devices can reduce the stress of the pipe pulling pliers and prolong the service life of the pipe pulling pliers. During the waiting for the conveying equipment process after the pipe pulling, the two lifting supporting roller devices can support the cast pipe, and facilitate the subsequent transfer of the cast pipe. The pipe pulling vehicle can be matched with hoisting conveying equipment, lifting conveying equipment and roller conveying equipment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a front view of the pipe pulling vehicle for the cast pipe centrifuge provided by the utility model;

[0020] Figure 2 is a top view of the pipe pulling vehicle for the cast pipe centrifuge provided by the utility model;

[0021] Figure 3 is Figure 1 a partially enlarged schematic view;

[0022] Figure 4 is a schematic view of the pipe pulling vehicle for the cast pipe centrifuge provided by the utility model after the cast pipe is pulled out.

[0023] Fig. 1 is a cast pipe; 2 is a walking track; 3 is a reduction box; 4 is a walking motor; 5 is a vehicle body; 6 is a pipe pulling clamp; 7 is a pipe pulling cylinder; 8 is a chain; 9 is a first lifting roller device; 10 is a second lifting roller device; 11 is a rotating shaft; 12 is a pipe pulling clamp driving seat; 13 is a pipe pulling clamp driving piece; 14 is a pipe pulling clamp head; 15 is an antiskid pad; 16 is a pipe pulling clamp arm; 17 is a pipe pulling clamp base; 18 is a swing arm; 19 is a swing cylinder; 20 is a roller support. DETAILED DESCRIPTION

[0024] In order to make the technical problems solved by the utility model, the technical scheme adopted and the technical effects reached more clear, the utility model will be further described in detail below in combination with the drawings and examples. It can be understood that the specific examples described here are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that in order to facilitate the description, only the parts related to the utility model are shown in the drawings, not all the contents.

[0025] As shown in Figure 1-4 The utility model discloses a pipe pulling vehicle for cast pipe centrifuge, including: vehicle body 5, walking track 2, walking motor 4, pipe pulling clamp 6, first lifting roller device 9 and second lifting roller device 10.

[0026] Walking motor 4 is arranged in one side of walking track 2, and the output end of walking motor 4 is connected with rotating shaft 11 through reduction box 3, and chain wheel is arranged on rotating shaft 11, and chain 8 is arranged on chain wheel in matched mode. Vehicle body 5 is fixedly connected with chain 8, and vehicle body 5 is movably arranged on walking track 2. Walking motor 4 and reduction box 3 drive rotating shaft 11 and chain wheel to rotate, chain wheel drives chain 8 to move, and then drives vehicle body 5 to walk on walking track 2.

[0027] Horizontal pipe pulling cylinder 7 is arranged on vehicle body 5, and the telescopic rod end of pipe pulling cylinder 7 is provided with pipe pulling clamp 6.

[0028] As shown in Figure 3As shown, the tube-pulling clamp 6 includes: a tube-pulling clamp drive seat 12, a tube-pulling clamp drive component 13, a tube-pulling clamp head 14, an anti-slip pad 15, a tube-pulling clamp arm 16, and a tube-pulling clamp base 17. The tube-pulling clamp base 17 is provided at the cylinder end of the tube-pulling cylinder 7; multiple tube-pulling clamp arms 16 are evenly hinged to the tube-pulling clamp base 17 in the circumferential direction. The tube-pulling clamp drive seat 12 is provided at the telescopic rod end of the tube-pulling cylinder 7; multiple tube-pulling clamp drive components 13 are evenly hinged to the tube-pulling clamp drive seat 12 in the circumferential direction; the number and position of the multiple tube-pulling clamp drive components 13 correspond to the number of multiple tube-pulling clamp arms 16. The tube-pulling clamp drive component 13 is also hinged to the corresponding tube-pulling clamp arm 16; a tube-pulling clamp head 14 is provided on the outer side of the tube-pulling clamp arm 16, and an anti-slip pad 15 is provided on the tube-pulling clamp head 14.

[0029] In this utility model, the extension rod of the pipe pulling pliers 6 extends outward, causing the pipe pulling pliers drive seat 12 and pipe pulling pliers drive component 13 to extend outward, thereby causing the pipe pulling pliers arm 16 to swing outward, so that the pipe pulling pliers head 14 and anti-slip pad 15 on the pipe pulling pliers arm 16 clamp the inner wall of the cast pipe 1.

[0030] The first lifting roller device 9 and the second lifting roller device 10 are respectively arranged inside the two guide rails of the traveling track 2. They are raised when in use and lowered when not in use, without increasing the equipment space or affecting the normal movement of the pipe pulling vehicle.

[0031] like Figure 3 As shown, the first lifting roller device 9 and the second lifting roller device 10 respectively include: roller bracket 20, swing arm 18, swing cylinder 19 and V-shaped roller; the swing cylinder 19 is hinged on the roller bracket 20, and the swing arm 18 is hinged to the top of the roller bracket 20; the telescopic rod end of the swing cylinder 19 is hinged to the swing arm 18; the V-shaped roller is provided on the top of the swing arm 18.

[0032] The idler roller bracket 20 is L-shaped. The extension rod of the swing cylinder 19 extends to drive the swing arm 18 to rotate. When the swing arm 18 rotates to the vertical position, the V-shaped idler roller at the top of the swing arm 18 is in place, which can support the cast pipe 1 pulled out by the pipe pulling car. A photoelectric switch can be installed on the idler roller bracket 20 to obtain a signal when the car body 5 passes by.

[0033] The working process of the utility model: when the centrifuge work ends, the formed cast pipe 1 needs to be pulled out from the centrifuge. The first lifting roller device 9 and the second lifting roller device 10 are all in the falling state. The walking motor 4 drives the chain 8 through the reduction box 3, so that the car body 5 of the pipe pulling vehicle moves to the front end of the centrifuge along the walking track 2. The pipe pulling clamp 6 enters the pipe mold of the centrifuge, and the pipe pulling clamp 6 is opened and clamps the cast pipe 1 by the pipe pulling cylinder 7. After the cast pipe 1 is clamped, the walking motor 4 is reversed, the car body 5 walks and drives the cast pipe 1 to retreat; during the retreat process, after the pipe pulling vehicle passes through the first lifting roller device 9, the first lifting roller device 9 is lifted and supports the cast pipe 1; after the pipe pulling vehicle passes through the second lifting roller device 10, the second lifting roller device 10 is lifted and supports the cast pipe 1. The pipe pulling vehicle pulls out the cast pipe 1 from the centrifuge, stops walking (such as the state shown) after walking in place, and waits for the cast pipe conveying equipment to convey the cast pipe 1 to the next production station. Figure 4

[0034] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: the technical solutions recorded in the foregoing embodiments are modified, or part or all of the technical features are replaced, without making the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.​

Claims

1. A pipe puller for a pipe casting centrifuge, characterized by, The utility model relates to a kind of pipe pulling machines, including: Vehicle body (5), walking track (2), walking motor (4), pipe pulling pliers (6), first lifting carrier roller device (9) and second lifting carrier roller device (10); The walking motor (4) is arranged at one side of walking track (2), and the output end of the walking motor (4) is drivingly connected with the rotating shaft (11);Chain wheel is arranged on the rotating shaft (11), and chain (8) is arranged on the chain wheel in a matched manner; The vehicle body (5) is fixedly connected with the chain (8);The vehicle body (5) can be movably arranged on the walking track (2); Horizontal pipe pulling cylinder (7) is arranged on the vehicle body (5), and the telescopic rod end of the pipe pulling cylinder (7) is provided with pipe pulling pliers (6); The first lifting carrier roller device (9) and the second lifting carrier roller device (10) are arranged inside two guide rails of walking track (2) respectively; The first lifting carrier roller device (9) and the second lifting carrier roller device (10) respectively include: carrier roller support (20), swing arm (18), swing cylinder (19) and V-shaped carrier roller; The swing cylinder (19) is hinged on the carrier roller support (20), and the swing arm (18) is hinged on the top of the carrier roller support (20);The telescopic rod end of the swing cylinder (19) is hinged with the swing arm (18);V-shaped carrier roller is arranged on the top of the swing arm (18).

2. The pipe pull car for a pipe casting centrifuge of claim 1, wherein, The output end of the walking motor (4) is drivingly connected with the rotating shaft (11) through the reduction box (3).

3. The pipe pull car for a pipe casting centrifuge of claim 1, wherein, The pipe pulling pliers (6) include: pipe pulling pliers driving seat (12), pipe pulling pliers driving part (13), pipe pulling pliers head (14), anti-skid gasket (15), pipe pulling pliers arm (16) and pipe pulling pliers base (17); The cylinder body end of the pipe pulling cylinder (7) is provided with pipe pulling pliers base (17);The pipe pulling pliers base (17) is evenly hinged in circumferential direction with multiple pipe pulling pliers arms (16); The telescopic rod end of the pipe pulling cylinder (7) is provided with pipe pulling pliers driving seat (12);The pipe pulling pliers driving seat (12) is evenly hinged in circumferential direction with multiple pipe pulling pliers driving parts (13); The pipe pulling pliers driving part (13) is also hinged with corresponding pipe pulling pliers arm (16); The outer side of the pipe pulling pliers arm (16) is provided with pipe pulling pliers head (14), and the pipe pulling pliers head (14) is provided with anti-skid gasket (15).

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