Steel pipe bending equipment for crane manufacturing

Abstract

The utility model relates to the technical field of steel pipe bending, in particular to steel pipe bending equipment for crane manufacturing, an auxiliary device comprises a long groove, the long groove is formed in the surface of one side of a base, a supporting frame is connected in the long groove in a sliding mode, a motor is fixedly installed on the surface of the vertical end of the supporting frame, and a gear is fixedly installed at the output end of the motor. A rack is fixedly installed on the surface of the base, two air cylinders are fixedly installed on the bottom surface of the horizontal end of the top of the supporting frame, sockets are fixedly installed on the surfaces of the horizontal ends of the tops of the two U-shaped plates, inserting columns are movably inserted into the sockets, and a first bending mold, a second bending mold and a third bending mold are fixedly installed on the surface of the base. According to the steel pipe bending device, the problems that the bending degree of a bending die of an existing steel pipe bending device for crane manufacturing is fixed, so that the device can only machine a steel pipe with one bending degree, and the device further has certain limitation in the specific use process are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe bending technical field especially relates to a steel pipe bending equipment for crane manufacturing. BACKGROUND

[0002] The crane is one of machinery that can vertically lift and horizontally move heavy objects in a certain range, there are many types of cranes, but very many steel pipes need to be used in the component parts, when the crane is manufactured, the steel pipe needs to be bent, at this time, the bending device is used to bend the corresponding steel pipe, realizes the processing of crane accessories.

[0003] The bending die bending degree of prior art crane manufacturing's steel pipe bending equipment is fixed, thereby causing the device to only process one kind of bending degree steel pipe, further will make the device have certain limited when using. UTILITY MODEL CONTENTS

[0004] The utility model provides a steel pipe bending equipment for crane manufacturing to solve the technical problem in the above -mentioned background.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a steel pipe bending equipment for crane manufacturing, including base and two U type boards, the side of the horizontal end of the bottom of two U type boards is fixedly installed with bracket, the side surface of the bracket is fixedly installed with support plate, the surface of support plate is fixedly installed with slide rod, the surface of slide rod is slidably connected with slide plate, the side of slide plate is fixedly installed with clamping plate, the inner wall surface of the horizontal end of the bottom of two U type boards is fixedly installed with electric telescopic handle, the side surface of the clamping plate away from slide plate is fixedly installed with rectangular plate, the output of electric telescopic handle and rectangular plate are fixedly connected, the side surface of base is equipped with auxiliary device, the auxiliary device includes long slot, the long slot is set up in the side surface of base, the inside of long slot is slidably connected with support frame, the surface of vertical end of support frame is fixedly installed with motor, the output of motor is fixedly installed with gear, the surface of base is fixedly installed with rack, the gear and rack are mutually engaged. The setting of gear and rack plays the effect that support frame can move in the inside of long slot.

[0006] Preferably, the bottom surface of the horizontal end of the top of support frame is fixedly installed with two air cylinders, the surface of the horizontal end of the top of two U type boards is fixedly installed with socket, the inside of socket is movably inserted with inserting column, the output of air cylinder and inserting column are fixedly connected. The setting of inserting column and socket plays the effect that air cylinder can drive U type board to move.

[0007] Preferably, the surface of the base is respectively fixedly provided with a first bending die, a second bending die and a third bending die, the bending degrees and radii of the first bending die, the second bending die and the third bending die are different.

[0008] Preferably, the surface of the top horizontal end of the two U-shaped plates is provided with a limiting device, the limiting device comprises a groove, the groove is arranged on the surface of the top horizontal end of the U-shaped plate, a moving plate is slidably connected in the groove, a plug rod is fixedly arranged on the surface of the moving plate, a plug hole is arranged on the outer wall surface of the plug column, and a pull rod is fixedly arranged on the surface of the end of the moving plate away from the plug rod.

[0009] Preferably, the surface of the top horizontal end of the two U-shaped plates is fixedly provided with a vertical plate, and a spring is fixedly arranged between the vertical plate and the moving plate.

[0010] Compared with the prior art, the utility model has the advantages and positive effects that:

[0011] 1、in the utility model, when the device is needed, first, the steel pipe is placed in the two brackets, then the electric telescopic rod is started, the electric telescopic rod drives the rectangular plate to move, the rectangular plate drives the clamping plate to move, the clamping plate drives the sliding plate to move on the surface of the sliding rod, and the clamping plate also clamps and fixes the steel pipe in the bracket, when the steel pipe is clamped and fixed, the steel pipe is moved according to the degree of bending, the electric motor is started, the electric motor drives the gear to rotate, the gear rotates and engages with the rack, and then the support frame moves in the long groove, the support frame drives the cylinder to move in the long groove, the cylinder moves and finally drives the steel pipe to move, the electric motor is turned off when the steel pipe moves to the first bending die or the second bending die or the third bending die, then the cylinder is started, the cylinder drives the U-shaped plate to move downwards, the U-shaped plate drives the steel pipe between the bracket and the clamping plate to move downwards, at this time, the two ends of the steel pipe move downwards, and the middle part of the steel pipe is supported by the first bending die or the second bending die or the third bending die, thereby the bending treatment of the pipe is completed, through the cooperation of the above structure, the steel pipe can move to the first bending die or the second bending die or the third bending die, and then three bending dies with different radii and bending degrees are utilized to realize the bending operation of three specifications of pipes, and the applicability of the device is further improved.

[0012] 2. The utility model discloses a limiting device is set up, when need according to the size of steel pipe to replace the corresponding size bracket and clamping plate, first pull the pull rod, and the pull rod moves and drives the moving plate to move in the inside of the recess, and the moving plate moves in the inside of the recess and extrudes the spring, and the spring is forced to compress, and the moving plate moves in the inside of the recess and also drive the plug rod to move, and the plug rod moves and makes its own from the inside of the jack move, and the plug rod and the jack separate and make the plug -in post lose the location in the inside of the socket, can pull the bracket now, and the bracket moves and drives the U type board to move, and the U type board moves and drives the socket to move, and the socket moves and makes the plug -in post move from its inside, thereby completes corresponding dismounting operation, through the cooperation of above -mentioned structure, reach the purpose of the bracket and clamping plate are dismounted to the bracket and clamping plate of different sizes are installed to the device can satisfy the demand of the steel pipe of different sizes to be bent to further improve the adaptability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A three-dimensional structure schematic diagram of a steel pipe bending equipment for crane manufacturing is provided for the utility model;

[0014] Figure 2 A left view structure schematic diagram of a steel pipe bending equipment for crane manufacturing is provided for the utility model;

[0015] Figure 3 A right view structure schematic diagram of a steel pipe bending equipment for crane manufacturing is provided for the utility model;

[0016] Figure 4 A steel pipe bending equipment for crane manufacturing is provided for the utility model Figure 3 A structure schematic diagram of place A in the utility model;

[0017] LEGEND:

[0018] 1, base; 2, auxiliary device; 201, long groove; 202, support frame; 203, motor; 204, gear; 205, rack; 206, air cylinder; 207, socket; 208, plug-in post; 209, first bending die; 210, second bending die; 211, third bending die; 3, limiting device; 31, recess; 32, moving plate; 33, plug rod; 34, jack; 35, pull rod; 36, vertical plate; 37, spring; 4, U type board; 5, bracket; 6, support plate; 7, slide rod; 8, slide plate; 9, clamping plate; 10, electric telescopic rod; 11, rectangular plate. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0021] See also Figures 1-4 The utility model provides a technical solution: a steel pipe bending equipment for crane manufacturing, comprising a base 1 and two U-shaped plates 4, the side surfaces of the bottom horizontal ends of the two U-shaped plates 4 are fixedly mounted with brackets 5, one side surface of the bracket 5 is fixedly mounted with a support plate 6, the surface of the support plate 6 is fixedly mounted with a slide bar 7, the surface of the slide bar 7 is slidably connected with a slide plate 8, the side of the slide plate 8 is fixedly mounted with a clamping plate 9, the inner wall surfaces of the bottom horizontal ends of the two U-shaped plates 4 are fixedly mounted with electric telescopic rods 10, the surface of the clamping plate 9 away from the slide plate 8 is fixedly mounted with a rectangular plate 11, and the output end of the electric telescopic rod 10 is fixedly connected to the rectangular plate 11.

[0022] The specific settings and functions of the auxiliary device 2 and the limiting device 3 are described in detail below.

[0023] In this embodiment: an auxiliary device 2 is provided on one side surface of the base 1, and the auxiliary device 2 includes a long groove 201, which is opened on one side surface of the base 1, and a support frame 202 is slidably connected inside the long groove 201. A motor 203 is fixedly installed on the surface of the vertical end of the support frame 202, and a gear 204 is fixedly installed on the output end of the motor 203. A rack 205 is fixedly installed on the surface of the base 1, and the gear 204 and the rack 205 are engaged with each other.

[0024] In this embodiment, the arrangement of the gear 204 and the rack 205 enables the support frame 202 to move inside the long slot 201 .

[0025] Specifically, two cylinders 206 are fixedly installed on the bottom surface of the top horizontal end of the support frame 202, and sockets 207 are fixedly installed on the surfaces of the top horizontal ends of the two U-shaped plates 4. A plug-in column 208 is movably inserted inside the socket 207, and the output end of the cylinder 206 is fixedly connected to the plug-in column 208.

[0026] In this embodiment, the arrangement of the plug-in column 208 and the socket 207 enables the cylinder 206 to drive the U-shaped plate 4 to move.

[0027] Specifically, the surface of the base 1 is respectively fixedly installed with a first bending die 209, a second bending die 210 and a third bending die 211, and the bending degrees and radii of the first bending die 209, the second bending die 210 and the third bending die 211 are different. The first bending die 209, the second bending die 210 and the third bending die 211 play a bending effect on the steel pipe.

[0028] In the embodiment, the surface of the top horizontal end of each of the two U-shaped plates 4 is provided with a limiting device 3, the limiting device 3 comprises a groove 31, the groove 31 is formed in the surface of the top horizontal end of the U-shaped plate 4, a moving plate 32 is slidably connected in the groove 31, a plug rod 33 is fixedly installed on the surface of the moving plate 32, a plug hole 34 is formed in the outer wall surface of the plug-in column 208, and a pull rod 35 is fixedly installed on the surface of the end of the moving plate 32 away from the plug rod 33. When it is necessary to replace the bracket 5 and the clamping plate 9 of the corresponding size according to the size of the steel pipe, first pull the pull rod 35, the pull rod 35 moves to drive the moving plate 32 to move in the groove 31, the moving plate 32 moving in the groove 31 will extrude the spring 37, so that the spring 37 is compressed under stress, and the moving plate 32 moving in the groove 31 also drives the plug rod 33 to move, the plug rod 33 moving makes it move out of the plug hole 34, the separation of the plug rod 33 and the plug hole 34 makes the plug-in column 208 lose the limiting in the socket 207, at this time, the bracket 5 can be pulled, the bracket 5 moves to drive the U-shaped plate 4 to move, the U-shaped plate 4 moves to drive the socket 207 to move, the socket 207 moving makes the plug-in column 208 move out of it, so as to complete the corresponding disassembly work, through the cooperation of the above structure, the purpose of disassembling the bracket 5 and the clamping plate 9 is achieved, so that the device can meet the needs of bending the steel pipes of different sizes by installing brackets 5 and clamping plates 9 of different sizes, further improving the adaptability of the device.

[0029] Specifically, the surface of the top horizontal end of each of the two U-shaped plates 4 is provided with a limiting device 3, the limiting device 3 comprises a groove 31, the groove 31 is formed in the surface of the top horizontal end of the U-shaped plate 4, a moving plate 32 is slidably connected in the groove 31, a plug rod 33 is fixedly installed on the surface of the moving plate 32, a plug hole 34 is formed in the outer wall surface of the plug-in column 208, and a pull rod 35 is fixedly installed on the surface of the end of the moving plate 32 away from the plug rod 33. When it is necessary to replace the bracket 5 and the clamping plate 9 of the corresponding size according to the size of the steel pipe, first pull the pull rod 35, the pull rod 35 moves to drive the moving plate 32 to move in the groove 31, the moving plate 32 moving in the groove 31 will extrude the spring 37, so that the spring 37 is compressed under stress, and the moving plate 32 moving in the groove 31 also drives the plug rod 33 to move, the plug rod 33 moving makes it move out of the plug hole 34, the separation of the plug rod 33 and the plug hole 34 makes the plug-in column 208 lose the limiting in the socket 207, at this time, the bracket 5 can be pulled, the bracket 5 moves to drive the U-shaped plate 4 to move, the U-shaped plate 4 moves to drive the socket 207 to move, the socket 207 moving makes the plug-in column 208 move out of it, so as to complete the corresponding disassembly work, through the cooperation of the above structure, the purpose of disassembling the bracket 5 and the clamping plate 9 is achieved, so that the device can meet the needs of bending the steel pipes of different sizes by installing brackets 5 and clamping plates 9 of different sizes, further improving the adaptability of the device.

[0030] In the embodiment, the spring 37 is arranged to limit the position of the moving plate 32 in the groove 31.

[0031] Working principle: through the setting auxiliary device 2, when need to use the device, first place the steel pipe in the inside of two bracket 5, then start electric telescopic rod 10, electric telescopic rod 10 start drive rectangular plate 11 moves, rectangular plate 11 moves drive clamping plate 9 moves, clamping plate 9 moves drive slide plate 8 on the surface of slide rod 7 moves, simultaneously clamping plate 9 moves still clamps and fixes steel pipe in the inside of bracket 5, when steel pipe clamps and fixes completion, then according to need to steel pipe bending degree, the steel pipe between bracket 5 and clamping plate 9 moves, first start motor 203, motor 203 start drive gear 204 rotation, gear 204 rotation and rack 205 meshing, further make support frame 202 in long slot 201 inside moves, support frame 202 in long slot 201 inside moves drive cylinder 206 moves, cylinder 206 moves finally drive steel pipe moves, when steel pipe moves to first bending die or second bending die or third bending die's directly above, close motor 203, stop after, then start cylinder 206, make cylinder 206 drive U-shaped plate 4 downward moves, U-shaped plate 4 downward moves drive steel pipe between bracket 5 and clamping plate 9 downward moves, at this time the both ends of steel pipe downward moves, and the middle part of steel pipe is supported by first bending die or second bending die or third bending die, further complete the bending treatment of pipe, through the cooperation of the above structure, steel pipe can move to the directly above of first bending die or second bending die or third bending die, further utilize three radii and bending die of different bending degree to realize three specifications pipe bending operation, further improve the applicability of the device. When need to replace bracket 5 and clamping plate 9 of corresponding size according to the size of steel pipe, first pull pull rod 35, pull rod 35 moves drive moving plate 32 in recess 31 inside moves, moving plate 32 in recess 31 inside moves will extrude spring 37, make spring 37 force compression, simultaneously moving plate 32 in recess 31 inside moves still drive plug rod 33 moves, plug rod 33 moves make its from the inside of insertion hole 34 remove, plug rod 33 and insertion hole 34 separate make plug-in column 208 lose location in the inside of socket 207, at this time can pull bracket 5, bracket 5 moves drive U-shaped plate 4 moves, U-shaped plate 4 moves drive socket 207 moves, socket 207 moves make plug-in column 208 from its inside remove, thus complete corresponding dismounting operation, through the cooperation of the above structure, reach the purpose of dismounting bracket 5 and clamping plate 9, so that the device can meet the needs of bending different size steel pipe by installing bracket 5 and clamping plate 9 of different size, further improve the adaptability of the device.

[0032] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and alteration of the above embodiments without departing from the technical content of the present application, according to the technical essence of the present application, still belong to the protection scope of the present application. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A steel pipe bending device for crane manufacturing, comprising a base (1) and two U-shaped plates (4), the side surfaces of the bottom horizontal ends of the two U-shaped plates (4) are fixedly mounted with brackets (5), one side surface of the bracket (5) is fixedly mounted with a support plate (6), the surface of the support plate (6) is fixedly mounted with a slide bar (7), the surface of the slide bar (7) is slidably connected with a slide plate (8), the side surface of the slide plate (8) is fixedly mounted with a clamping plate (9), the inner wall surface of the bottom horizontal ends of the two U-shaped plates (4) are fixedly mounted with an electric telescopic rod (10), the side surface of the clamping plate (9) away from the slide plate (8) is fixedly mounted with a rectangular plate (11), the output end of the electric telescopic rod (10) is fixedly connected to the rectangular plate (11), and the characteristic is that: An auxiliary device (2) is provided on one side surface of the base (1), and the auxiliary device (2) comprises a long slot (201), the long slot (201) being opened on one side surface of the base (1), a support frame (202) being slidably connected inside the long slot (201), a motor (203) being fixedly mounted on the surface of the vertical end of the support frame (202), a gear (204) being fixedly mounted on the output end of the motor (203), a rack (205) being fixedly mounted on the surface of the base (1), and the gear (204) and the rack (205) being meshed with each other.

2. The steel pipe bending equipment for crane manufacturing according to claim 1, characterized in that: Two cylinders (206) are fixedly mounted on the bottom surface of the top horizontal end of the support frame (202), and sockets (207) are fixedly mounted on the surfaces of the top horizontal ends of the two U-shaped plates (4). A plug-in column (208) is movably inserted into the interior of the socket (207), and the output end of the cylinder (206) is fixedly connected to the plug-in column (208).

3. The steel pipe bending equipment for crane manufacturing according to claim 2, characterized in that: A first bending die (209), a second bending die (210) and a third bending die (211) are fixedly mounted on the surface of the base (1), respectively; the bending degrees and radii of the first bending die (209), the second bending die (210) and the third bending die (211) are different.

4. The steel pipe bending equipment for crane manufacturing according to claim 3, characterized in that: The surfaces of the top horizontal ends of the two U-shaped plates (4) are both provided with a limiting device (3), and the limiting device (3) includes a groove (31), and the groove (31) is opened on the surface of the top horizontal end of the U-shaped plate (4), and the interior of the groove (31) is slidably connected to a movable plate (32), and a plug rod (33) is fixedly installed on the surface of the movable plate (32), and a socket (34) is opened on the outer wall surface of the plug column (208), and a pull rod (35) is fixedly installed on the surface of one end of the movable plate (32) away from the plug rod (33).

5. The steel pipe bending equipment for crane manufacturing according to claim 4, characterized in that: Vertical plates (36) are fixedly mounted on the surfaces of the top horizontal ends of the two U-shaped plates (4), and springs (37) are fixedly mounted between the vertical plates (36) and the movable plate (32).

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