CN215546352U - Automatic bracket structure of LNG gas cylinder girth welding equipment - Google Patents

Automatic bracket structure of LNG gas cylinder girth welding equipment Download PDF

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Publication number
CN215546352U
CN215546352U CN202121032187.5U CN202121032187U CN215546352U CN 215546352 U CN215546352 U CN 215546352U CN 202121032187 U CN202121032187 U CN 202121032187U CN 215546352 U CN215546352 U CN 215546352U
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China
Prior art keywords
working platform
lng
sliding groove
cylinder
girth welding
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CN202121032187.5U
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Chinese (zh)
Inventor
毛斌
刘波
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Chengdu Pan Tuogu Technology Co ltd
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Chengdu Pan Tuogu Technology Co ltd
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Abstract

The utility model discloses an automatic bracket structure of LNG cylinder girth welding equipment, which comprises a scissor type lifting structure, a driving part and a working platform, wherein the scissor type lifting structure comprises a lifting unit, the lifting unit comprises two support rods, the middle parts of the two support rods are hinged to form a vertically arranged X-shaped structure, the two ends at the top of the X-shaped structure are respectively an end A and an end B, the two ends at the bottom of the X-shaped structure are respectively an end C and an end D, the working platform is provided with a sliding groove A, the end B is hinged to the working platform, the end A is provided with a sliding block A matched with the sliding groove A, the sliding block A is in sliding connection with the sliding groove A, the end C is hinged to the girth welding machine, the sliding groove B is arranged on the girth welding machine, the end D is provided with a sliding block B matched with the sliding groove B, the sliding block B is in sliding connection with the sliding groove B, and the top surface of the working platform is provided with a plurality of guide wheels, the driving part is connected with the lifting unit and used for moving the working platform, and the rotary encoder is electrically connected with the motor.

Description

Automatic bracket structure of LNG gas cylinder girth welding equipment
Technical Field
The utility model relates to the field of girth welding machines, in particular to an automatic bracket structure of LNG cylinder girth welding equipment.
Background
Among the prior art, when using the girth welding machine to weld the LNG gas cylinder, need use pneumatic over-and-under type structure jacking gas cylinder, make the gas cylinder reach behind the weld height, the welding is carried out to rethread girth welding machine, however, pneumatic over-and-under type structure has certain shortcoming, for example, cylinder piston's jacking speed is difficult to accurate control, the condition that vibrations lead to the gas cylinder to drop because of the jacking is not steady probably appears, moreover, pneumatic over-and-under type structure need set up stroke control part and just can make cylinder piston jack-up the gas cylinder to the weld height accurately, after the gas cylinder size changes, need set up stroke control part again, the adaptability of device has been reduced.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, the object of the present invention is to: the automatic bracket structure of the LNG cylinder girth welding equipment is provided, and the LNG cylinder can be accurately jacked to the welding height.
In order to realize the purpose of the utility model, the utility model provides the following technical scheme:
the automatic bracket structure of the LNG cylinder girth welding equipment comprises a scissor type lifting structure, a driving part and a working platform, wherein the scissor type lifting structure comprises a lifting unit, the lifting unit comprises two support rods, the middle parts of the two support rods are hinged to form a vertically arranged X-shaped structure, two ends at the top of the X-shaped structure are respectively an end A and an end B, two ends at the bottom of the X-shaped structure are respectively an end C and an end D, a sliding groove A is arranged on the working platform, the end B is hinged to the working platform, a sliding block A matched with the sliding groove A is hinged to the end A, the sliding block A is connected with the sliding groove A in a sliding manner, the end C is hinged to the girth welding machine, a sliding groove B is arranged on the girth welding machine, and a sliding block B matched with the sliding groove B is hinged to the end D, the sliding block B is connected with the sliding groove B in a sliding mode, the sliding block A is parallel to the sliding groove A in the moving direction, the sliding block B is parallel to the sliding groove B in the moving direction, a plurality of guide wheels used for placing LNG (liquefied natural gas) cylinders are arranged on the top face of the working platform, the guide wheels are connected with the working platform in a rotating mode, the driving part is connected with the lifting unit and used for adjusting the distance between the end C and the end D, the driving part comprises a lead screw, a motor and a rotary encoder, the lead screw is connected with the circular seam welding machine in a rotating mode and is connected with the end D through threads, the output end of the motor is connected with the lead screw in a transmission mode and used for driving the lead screw to rotate, and the rotary encoder is electrically connected with the motor.
Furthermore, the lifting units are arranged in parallel, and adjacent lifting units are connected through a support shaft.
Furthermore, the number of the guide wheels is four, and the four guide wheels are distributed on the working platform in a rectangular shape.
Further, the motor is a speed reduction motor.
Further, still include the unloading part, the unloading part includes a plurality of cylinders, sticks up the pole, the stiff end of cylinder with work platform connects, and its telescopic link is used for jacking LNG gas cylinder, stick up the pole with work platform is articulated, stick up the pole in vertical face internal rotation for with the one side perk of LNG gas cylinder.
Further, the unloading part still includes ratchet part, ratchet part includes ratchet, pawl, the ratchet with stick up the pole and connect, its rotation center axle with stick up the pole relatively the rotatory center pin collineation of work platform, the one end of pawl with work platform rotates to be connected, its other end with the tooth's socket portion butt of ratchet, the pawl with be provided with the torsional spring in the last pivot of rotating the connection of work platform, work as stick up the butt portion of pole and LNG gas cylinder when supreme rotation down, the pawl with the butt portion of ratchet by in another tooth's socket slides in, ratchet, pawl cooperation prevent stick up the pole reversal.
Further, the top of the telescopic rod of the cylinder is provided with an incomplete spherical containing cavity, a sphere is arranged in the containing cavity, the outer wall of the sphere is in sliding fit with the inner wall of the containing cavity, and the volume of the sphere arranged in the containing cavity is at least half of the volume of the sphere.
Compared with the prior art, the utility model has the following beneficial effects:
1. through control the rotation control of lead screw work platform's rate of movement compares in traditional jacking through the cylinder, and the rotational speed of lead screw is controllable, consequently lifting unit's work is more stable.
2. Through rotary encoder can feed back work platform is relative the distance of girth welder is convenient for pass through controlling means accurate control work platform's stroke, and then the LNG gas cylinder can be accurately jacked to assigned position, need not set up stroke controlling means again, has increased this device's adaptability.
Drawings
FIG. 1 is a front view of an automatic bracket structure of an LNG cylinder girth welding device;
FIG. 2 is a structural side view of an automatic bracket of the LNG cylinder girth welding equipment;
FIG. 3 is a structural top view of an automatic bracket of the LNG cylinder girth welding equipment;
FIG. 4 is a view of the structure of the blanking part;
FIG. 5 is a schematic diagram of the automatic bracket structure of the LNG cylinder girth welding equipment and the matching of a girth welding machine;
fig. 6 is an enlarged view of fig. 5 at a.
List of reference numerals
1-stay bar, 2-working platform, 3-chute A, 4-slide block A, 5-slide block B, 6-guide wheel, 7-motor, 8-rotary encoder, 9-cylinder, 10-warped rod, 11-ratchet, 12-pawl, 13-sphere, 14-support shaft, 15-girth welding machine, 16-LNG cylinder, 17-LNG cylinder girth welding equipment automatic bracket structure, 18-chute B, 19-lead screw.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, integrally connected, or detachably connected; may be communication within two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations.
As shown in fig. 1 to 6, the automatic bracket structure of LNG cylinder girth welding equipment comprises a scissor-type lifting structure, a driving part and a working platform 2, wherein the scissor-type lifting structure comprises a lifting unit, the lifting unit comprises two support rods 1, the middle parts of the two support rods 1 are hinged to form a vertically arranged X-shaped structure, two ends at the top of the X-shaped structure are respectively an end a and an end B, two ends at the bottom of the X-shaped structure are respectively an end C and an end D, a sliding groove A3 is arranged on the working platform 2, the end B is hinged to the working platform 2, a sliding block a4 matched with the sliding groove A3 is hinged to the end a, the sliding block a4 is connected with the sliding groove A3 in a sliding manner, the end C is hinged to the girth welding machine 15, a sliding groove B18 is arranged on the girth welding machine 15, a sliding block B5 matched with the sliding groove B18 is hinged to the end D, the sliding block B5 is connected with the sliding groove B18 in a sliding mode, the sliding block A4 is parallel to the moving direction of the sliding groove A3 and the moving direction of the sliding block B5 is parallel to the moving direction of the sliding groove B18, a plurality of guide wheels 6 used for placing LNG gas cylinders 16 on the sliding block A4 are arranged on the top face of the working platform 2, the guide wheels 6 are connected with the working platform 2 in a rotating mode, the driving part is connected with the lifting unit and used for adjusting the distance between the end head C and the end head D, the driving part comprises a screw rod 19, a motor 7 and a rotary encoder 8, the screw rod 19 is connected with the circular seam welder 15 in a rotating mode and is connected with the end head D through threads, the output end of the motor 7 is in transmission connection with the screw rod 19 and used for driving the motor to rotate, and the rotary encoder 8 is electrically connected with the motor 7.
The working principle of the utility model is as follows: when the LNG cylinder 16 is welded, firstly, the LNG cylinder 16 is placed on a guide wheel 6 on the working platform 2, the guide wheel 6 not only supports the LNG cylinder 16 and enables the LNG cylinder 16 to be stably placed on the working platform 2, but also enables the LNG cylinder 16 to rotate relative to the working platform 2, so that the LNG cylinder 16 can be conveniently welded in all directions, then, the motor 7 is started, the motor 7 drives the lead screw 19 to rotate, as the lead screw 19 is simultaneously and rotatably connected with different ends and in threaded connection, when the lead screw 19 rotates, the distance between the end C and the end D is changed, when the distance between the end C and the end D is reduced, the circular seam welding machine 15 on the working platform 2 is lifted, otherwise, the working platform is lowered, compared with the traditional method that the rotary speed of the lead screw 19 is controlled through the jacking of the air cylinder 9, the operation of the lifting unit is more stable. Furthermore, the distance between the working platform 2 and the girth welding machine 15 can be fed back through the rotary encoder 8, so that the stroke of the working platform 2 can be accurately controlled through a control device, and further the LNG cylinder 16 can be accurately jacked to a specified position.
Furthermore, the lifting units are arranged in parallel in multiple groups, and adjacent lifting units are connected through a support shaft 14.
Through setting up multiunit lift unit, make the lift unit is right work platform 2's support is more stable, and connects through back shaft 14 between the adjacent lift unit for interval between the adjacent support unit is fixed, has increased the lift unit to work platform 2's support intensity.
Further, the number of the guide wheels 6 is four, and the four guide wheels 6 are distributed on the working platform 2 in a rectangular shape.
The two guide wheels 6 on one side support one side of the LNG cylinder 16, and the two guide wheels 6 on the other side support the other side of the LNG cylinder 16, so that the support stability of the guide wheels 6 on the LNG cylinder 16 is increased.
Further, the motor 7 is a reduction motor 7.
Compared with the common motor 7, the speed reducing motor 7 can amplify the output torque, the power requirement of the motor 7 is reduced, and the motor 7 is protected.
Further, still include the unloading part, the unloading part includes a plurality of cylinders 9, sticks up pole 10, the stiff end of cylinder 9 with work platform 2 connects, and its telescopic link is used for jacking LNG gas cylinder 16, stick up pole 10 with work platform 2 is articulated, stick up pole 10 in vertical face internal rotation for with one side perk of LNG gas cylinder 16.
The blanking component facilitates a user to detach the LNG gas cylinder 16 from the working platform 2, particularly, in an initial state, the tilting rod 10 and the abutting part of the LNG gas cylinder 16 are arranged below the LNG gas cylinder 16, when the LNG gas cylinder 16 is detached, firstly the tilting rod 10 and the abutting part of the LNG gas cylinder 16 are jacked through the cylinder 9, so that a gap exists between the LNG gas cylinder 16 and the guide wheel 6, the guide wheel 6 and the working platform 2 are prevented from being damaged when the LNG gas cylinder 16 is dragged, then the tilting rod 10 and the abutting part of the LNG gas cylinder 16 rotate from bottom to top, the tilting rod 10 jacks one side of the LNG gas cylinder 16, the LNG gas cylinder 16 and the abutting point of the cylinder 9 rotate in a vertical plane as a fulcrum, and the LNG gas cylinder 16 is detached from the working platform 2 by the user conveniently.
Further, the unloading part still includes ratchet 11 part, ratchet 11 part includes ratchet 11, pawl 12, ratchet 11 with stick up pole 10 and connect, its rotation center axle with stick up pole 10 relative the rotatory center axle collineation of work platform 2, the one end of pawl 12 with work platform 2 rotates and connects, its other end with ratchet 11's tooth's socket portion butt, pawl 12 with be provided with the torsional spring in the pivot of rotating the connection on work platform 2, work as stick up pole 10 and LNG gas cylinder 16's butt portion by when supreme rotation down, pawl 12 with ratchet 11's butt portion by in another tooth's socket of ratchet 11 slips into, ratchet 11, pawl 12 cooperation prevent stick up pole 10 reversal.
The pawl 12 is kept in contact with the ratchet wheel 11 under the action of the torsion spring, when the ratchet wheel 11 rotates along with the tilting rod 10, the pawl 12 slides into the other tooth groove from one tooth groove, the tilting rod 10 is prevented from reversing due to the gravity action of the LNG gas cylinder 16, and the burden of users is relieved.
Further, the top of the telescopic rod of the cylinder 9 is provided with an incompletely spherical accommodating cavity, a sphere 13 is arranged in the accommodating cavity, the outer wall of the sphere 13 is in sliding fit with the inner wall of the accommodating cavity, and the volume of the sphere 13 arranged in the accommodating cavity is at least half of the volume of the sphere 13.
The outer wall of the ball body 13 is in sliding fit with the inner wall of the accommodating cavity, so that the ball body 13 can rotate relative to the telescopic rod of the cylinder 9, the rotation direction is not fixed, the surface wall of the LNG cylinder 16 is prevented from being scratched when the LNG cylinder moves relative to the telescopic rod, furthermore, the structure enables the blanking part to lift one side of the LNG cylinder 16 by controlling each cylinder 9, the LNG cylinder 16 slides relative to the telescopic rod of the cylinder 9 through the action of the ball body 13, a user can detach the LNG cylinder 16 from the working platform 2 from multiple angles in multiple ways, and the ball body 13 is arranged in the accommodating cavity, the volume of the ball body 13 is at least half of the volume of the ball body, and the ball body 13 can be prevented from being detached from the accommodating cavity.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments in the above-described embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the utility model is not described in any way for the possible combinations in order to avoid unnecessary repetition. In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims (7)

  1. Automatic bracket structure of LNG gas cylinder girth welding equipment, its characterized in that: comprises a scissor type lifting structure, a driving part and a working platform (2), the scissor type lifting structure comprises a lifting unit, the lifting unit comprises two support rods (1), the middle parts of the two support rods (1) are hinged to form a vertically arranged X-shaped structure, two ends at the top of the X-shaped structure are respectively an end A and an end B, two ends at the bottom of the X-shaped structure are respectively an end C and an end D, a sliding groove A (3) is arranged on the working platform (2), the end B is hinged to the working platform (2), a sliding block A (4) matched with the sliding groove A (3) is hinged to the end A, the sliding block A (4) is connected with the sliding groove A (3) in a sliding manner, the end C is hinged to a circular seam welding machine (15), and a sliding groove B (18) is arranged on the circular seam welding machine (15), the end head D is hinged with a sliding block B (5) matched with the sliding groove B (18), the sliding block B (5) is connected with the sliding groove B (18) in a sliding mode, the moving direction of the sliding block A (4) relative to the sliding groove A (3) is parallel to the moving direction of the sliding block B (5) relative to the sliding groove B (18), the top surface of the working platform (2) is provided with a plurality of guide wheels (6) used for placing LNG gas cylinders (16) on the working platform, the guide wheels (6) are connected with the working platform (2) in a rotating mode, the driving part is connected with the lifting unit and used for adjusting the distance between the end head C and the end head D, the driving part comprises a screw rod (19), a motor (7) and a rotary encoder (8), the screw rod (19) is connected with the circular seam welding machine (15) in a rotating mode and is connected with the end head D through threads at the same time, the output end of the motor (7) is in transmission connection with the screw rod (19) and is used for driving the screw rod to rotate, and the rotary encoder (8) is electrically connected with the motor (7).
  2. 2. The automatic bracket structure of an LNG cylinder girth welding apparatus of claim 1, characterized in that: the lifting units are arranged in parallel, and adjacent lifting units are connected through a support shaft (14).
  3. 3. The automatic bracket structure of an LNG cylinder girth welding apparatus of claim 2, characterized in that: the number of the guide wheels (6) is four, and the four guide wheels (6) are distributed on the working platform (2) in a rectangular shape.
  4. 4. An automatic bracket structure of LNG cylinder girth welding equipment according to claim 3, characterized in that: the motor (7) is a speed reducing motor (7).
  5. 5. The automatic bracket structure of LNG cylinder girth welding equipment of claim 4, characterized in that: still include the unloading part, the unloading part includes a plurality of cylinders (9), sticks up pole (10), the stiff end of cylinder (9) with work platform (2) are connected, and its telescopic link is used for jacking LNG gas cylinder (16), stick up pole (10) with work platform (2) are articulated, stick up pole (10) in vertical face internal rotation for with the one side perk of LNG gas cylinder (16).
  6. 6. The automatic bracket structure of LNG cylinder girth welding equipment of claim 5, characterized in that: the blanking part also comprises a ratchet wheel (11) part, the ratchet wheel (11) part comprises a ratchet wheel (11) and a pawl (12), the ratchet wheel (11) is connected with the tilting rod (10), the rotation central shaft of the tilting rod is collinear with the central shaft of the tilting rod (10) rotating relative to the working platform (2), one end of the pawl (12) is rotationally connected with the working platform (2), the other end of the ratchet wheel is abutted against the tooth groove part of the ratchet wheel (11), a torsion spring is arranged on a rotating shaft which is rotatably connected on the pawl (12) and the working platform (2), when the abutting part of the tilting rod (10) and the LNG cylinder (16) rotates from bottom to top, the abutment of the pawl (12) and the ratchet wheel (11) slides from one tooth slot of the ratchet wheel (11) into the other, the ratchet wheel (11) and the pawl (12) are matched to prevent the tilting rod (10) from reversely rotating.
  7. 7. The automatic bracket structure of LNG cylinder girth welding equipment of claim 6, characterized in that: the top of the telescopic rod of the air cylinder (9) is provided with an incomplete spherical containing cavity, a sphere (13) is arranged in the containing cavity, the outer wall of the sphere (13) is in sliding fit with the inner wall of the containing cavity, and the volume of the sphere (13) arranged in the containing cavity is at least more than half of the volume of the sphere.
CN202121032187.5U 2021-05-11 2021-05-11 Automatic bracket structure of LNG gas cylinder girth welding equipment Active CN215546352U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121032187.5U CN215546352U (en) 2021-05-11 2021-05-11 Automatic bracket structure of LNG gas cylinder girth welding equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121032187.5U CN215546352U (en) 2021-05-11 2021-05-11 Automatic bracket structure of LNG gas cylinder girth welding equipment

Publications (1)

Publication Number Publication Date
CN215546352U true CN215546352U (en) 2022-01-18

Family

ID=79860912

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121032187.5U Active CN215546352U (en) 2021-05-11 2021-05-11 Automatic bracket structure of LNG gas cylinder girth welding equipment

Country Status (1)

Country Link
CN (1) CN215546352U (en)

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