CN214558889U

CN214558889U - Core pulling machine for super-long plate

Info

Publication number: CN214558889U
Application number: CN202120719144.8U
Authority: CN
Inventors: 曾范文; 杜世清; 位学森; 王修东; 白海龙
Original assignee: Qingdao Petrochemical M&i Engineering Co ltd
Current assignee: Qingdao Petrochemical M&i Engineering Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-11-02
Anticipated expiration: 2031-04-08

Abstract

The utility model relates to the technical field of chemical equipment maintenance, in particular to an ultra-long core-pulling machine, which comprises a frame, wherein four corners at the bottom of the frame are respectively provided with a telescopic supporting mechanism, a screw rod is arranged at the middle part in the frame along the length direction, one side of the frame is provided with a motor, two sides at the top of the frame are respectively provided with a slide rail arranged along the length direction, a core body connecting and moving mechanism and a supporting mechanism are arranged between the two slide rails, the core body connecting and moving mechanism is arranged at the position close to the motor, two ends at the top of the frame far away from one side of the motor are respectively provided with a side supporting mechanism, the back of the frame is provided with a control box, the core body connecting and moving mechanism comprises a first mounting plate, two sides at the bottom of the first mounting plate along the length direction are respectively provided with a first slide block, the core body is synchronously moved along with the extraction of the core body through the supporting mechanism, so as to improve the supporting effect of the core body, the core body is prevented from shifting due to force when being pulled out, resistance is increased, and the core body is protected from being damaged.

Description

Core pulling machine for super-long plate

Technical Field

The utility model relates to a chemical industry equipment overhauls technical field, specifically is a core machine is taken out to overlength version.

Background

In the maintenance of oil refinery devices, the extraction and installation of floating head type heat exchanger tube bundles are frequent and troublesome, nearly hundreds of times per year, at present, a semi-mechanical device is generally adopted to maintain the heat exchanger, such as a frame type hoisting core-pulling device, during core pulling, one end of the frame type hoisting core-pulling device is rigidly fixed on a shell of the heat exchanger, a steel wire rope is hung on a tube plate of the tube bundle, then the hoisting machine is moved or made to work, the hoisting machine generates pulling force to extract the tube bundle from the shell, the biggest problem of the method is that the auxiliary time is long, the labor intensity is high, the working efficiency is low, and when a longer core body is extracted, a bearing mechanism is lacked, the weight of the core body is large, the core body is easy to deviate, the resistance is increased, the heat exchanger with serious corrosion and scale inhibition can also damage the foundation, so that an overlong version core extractor is needed to improve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a core machine is taken out to overlength version to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a core machine is drawn to overlength version, includes the frame, frame bottom four corners department all is equipped with flexible supporting mechanism, department is provided with the lead screw along length direction in the middle of the frame is inside, frame one side is equipped with the motor, the slide rail that sets up along length direction is all installed to the both sides at frame top, two be equipped with core connection moving mechanism and bearing mechanism between the slide rail, core connection moving mechanism establishes in being close to motor department, the both ends that motor one side was kept away from at the frame top all install side supporting mechanism, the control box is installed to the frame back.

As the utility model discloses preferred scheme, moving mechanism is connected to the core includes first mounting panel, first slider is all installed along length direction's both sides to first mounting panel bottom, first mounting panel is through first slider and slide rail sliding connection, department installs screw nut in the middle of the first mounting panel bottom, first mounting panel passes through screw nut and lead screw threaded connection, the fixed block is installed at first mounting panel top, the fixed block is kept away from motor one side and is close to the both ends of top department and all installs solid fixed ring, gu fixed ring goes up fixedly connected with cable wire, the couple of cable wire other end fixedly connected with.

As the utility model discloses preferred scheme, bearing mechanism is equipped with two sets ofly at least, bearing mechanism includes the second mounting panel, the second slider is all installed along length direction's both sides to second mounting panel bottom, the link is all installed to the both sides of second mounting panel, the second mounting panel passes through second slider and slide rail sliding connection, the second pneumatic cylinder is all installed, two along length direction's both sides at second mounting panel top be connected with the bearing board between the second pneumatic cylinder top, bearing board top center department has seted up the standing groove.

As the utility model discloses preferred scheme, the standing groove is the arc structure, just the inboard of standing groove is equipped with first rubber pad.

As the utility model discloses preferred scheme, side supporting mechanism includes the mount, through bolt fixed connection between mount and the frame, the third pneumatic cylinder is installed to one side that bearing mechanism was kept away from to the mount, the output fixedly connected with fixed plate of third pneumatic cylinder, one side that the third pneumatic cylinder was kept away from to the fixed plate is equipped with the second rubber pad.

As the utility model discloses preferred scheme, flexible supporting mechanism includes support column, sleeve and first pneumatic cylinder, just support column top and frame bottom fixed connection, sleeve fixed connection is in the one side that the frame was kept away from to the support column, first pneumatic cylinder is installed inside the sleeve, the output fixedly connected with backup pad of first pneumatic cylinder.

As the utility model discloses preferred scheme, the output of motor runs through the frame and through shaft coupling and lead screw fixed connection, the lead screw other end is connected with the frame through the bearing frame.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, moving mechanism is connected through the core that sets up, drives the lead screw through motor corotation and rotates, connects moving mechanism with the core and removes to the heat exchanger direction, connects on the core through the couple, and rethread motor reversal drives the core and connects moving mechanism reverse movement to take the core out, make things convenient for taking out of core, it is nimble convenient to use.

2. The utility model discloses in, through the bearing mechanism who sets up, after a part length is taken out to the core, drive bearing board rebound through the second pneumatic cylinder, make the core bottom be in the standing groove, avoid causing the damage to the core through first rubber pad, the rethread rope passes the core and connects on the link of both sides, it is fixed with the core for bearing mechanism is along with the core takes synchronous motion out, it is two sets of at least to be equipped with through bearing mechanism, can provide the multiple spot for the core and support, improve the supporting effect to the core.

3. The utility model discloses in, through the side supporting mechanism who sets up, drive the fixed plate through the third pneumatic cylinder and remove to support and lean on the heat exchanger flange, provide and take out opposite effort with the core, improve work efficiency.

4. The utility model discloses in, through the flexible supporting mechanism who sets up, the height of frame can be adjusted through first pneumatic cylinder, satisfies the not heat exchanger demand of loosing core of co-altitude, can also make cable wire and core be in the level, and power production skew when avoiding the core to take out, the resistance increase protects the core not to receive the damage.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the core body connecting and moving mechanism of the present invention;

FIG. 3 is a schematic view of the supporting mechanism of the present invention;

fig. 4 is a schematic structural view of the side supporting mechanism of the present invention.

In the figure: 1. a frame; 2. a telescopic support mechanism; 201. a support pillar; 202. a sleeve; 203. a first hydraulic cylinder; 204. a support plate; 3. a motor; 4. a lead screw; 5. a slide rail; 6. a control box; 7. the core body is connected with the moving mechanism; 701. a first mounting plate; 702. a first slider; 703. a lead screw nut; 704. a fixed block; 705. a fixing ring; 706. a steel cord; 707. hooking; 8. a support mechanism; 801. a second mounting plate; 802. a second slider; 803. a second hydraulic cylinder; 804. a support plate; 805. a placement groove; 806. a first rubber pad; 807. a connecting frame; 9. a side support mechanism; 901. a fixed mount; 902. a third hydraulic cylinder; 903. a fixing plate; 904. and a second rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution:

a core-pulling machine for super-long version comprises a frame 1, wherein four corners at the bottom of the frame 1 are respectively provided with a telescopic supporting mechanism 2, a lead screw 4 is arranged at the middle part in the frame 1 along the length direction, one side of the frame 1 is provided with a motor 3, two sides at the top of the frame 1 are respectively provided with a slide rail 5 arranged along the length direction, a core body connecting and moving mechanism 7 and a supporting mechanism 8 are arranged between the two slide rails 5, the core body connecting and moving mechanism 7 is arranged at a position close to the motor 3, the output end of the motor 3 penetrates through the frame 1 and is fixedly connected with the lead screw 4 through a shaft coupling, the other end of the lead screw 4 is connected with the frame 1 through a bearing seat, two ends at the top of the frame 1 far away from the motor 3 are respectively provided with a side supporting mechanism 9, and the back of the frame 1 is provided with a control box 6. Take the heat exchanger core out, it is nimble convenient to use, bearing mechanism 8 through setting up, along with taking out of the heat exchanger core, through the bottom of bearing mechanism 8 bearing at the heat exchanger core, improve the supporting effect to the core, skew when avoiding the core to take out, the resistance increases, can adjust the height of whole frame 1 through the flexible supporting mechanism 2 that sets up, satisfy the not heat exchanger demand of loosing core of co-altitude, maintain the level when making the core take out, side supporting mechanism 9 through setting up, can support and lean on the heat exchanger flange, provide and take out opposite effort with the core, and the work efficiency is improved.

In the embodiment, referring to fig. 1 and 2, the core connecting and moving mechanism 7 includes a first mounting plate 701, first sliding blocks 702 are installed on both sides of the bottom of the first mounting plate 701 along the length direction, the first mounting plate 701 is slidably connected to the sliding rail 5 through the first sliding blocks 702, a lead screw nut 703 is installed in the middle of the bottom of the first mounting plate 701, the first mounting plate 701 is in threaded connection with a lead screw 4 through the lead screw nut 703, a fixing block 704 is installed on the top of the first mounting plate 701, fixing rings 705 are installed on both ends of the fixing block 704, which are away from the side of the motor 3 and close to the top end, a steel cable 706 is fixedly connected to the fixing rings 705, a hook 707 is fixedly connected to the other end of the steel cable 706, in practical application, the lead screw 4 is driven to rotate by forward rotation of the motor 3, the core connecting and moving mechanism 7 is moved toward the heat exchanger direction, connected to the core through the hook 707, the core connecting and moving mechanism 7 is driven to move reversely by reverse rotation of the motor 3, thereby the core body is drawn out, and the core body is conveniently drawn out.

In the embodiment, referring to fig. 1 and 3, at least two sets of supporting mechanisms 8 are provided, each supporting mechanism 8 includes a second mounting plate 801, second sliding blocks 802 are respectively installed on two sides of the bottom of the second mounting plate 801 along the length direction, the second mounting plate 801 is slidably connected with the sliding rails 5 through the second sliding blocks 802, connecting frames 807 are respectively installed on two sides of the second mounting plate 801, second hydraulic cylinders 803 are respectively installed on two sides of the top of the second mounting plate 801 along the length direction, a supporting plate 804 is connected between the tops of the two second hydraulic cylinders 803, a placing groove 805 is formed in the center of the top of the supporting plate 804, the placing groove 805 is of an arc-shaped structure, and a first rubber pad 806 is arranged on the inner side of the placing groove 805, in practical application, after the core is drawn out a part of the length, the supporting plate 804 is driven by the second hydraulic cylinders 803 to move upwards, so that the bottom of the core is located in the placing groove 805, damage to the core is avoided by the first rubber pad 806, pass the core through the rope again and connect on the link 807 of both sides, fix the core for bearing mechanism 8 takes out synchronous motion along with the core, improves the support effect to the core.

In an embodiment, referring to fig. 1 and 4, the side supporting mechanism 9 includes a fixing frame 901, the fixing frame 901 is fixedly connected to the frame 1 through bolts, a third hydraulic cylinder 902 is installed on one side of the fixing frame 901, which is away from the supporting mechanism 8, a fixing plate 903 is fixedly connected to an output end of the third hydraulic cylinder 902, a second rubber pad 904 is installed on one side of the fixing plate 903, which is away from the third hydraulic cylinder 902, the fixing plate 903 is driven by the third hydraulic cylinder 902 to move, and abuts against a flange of the heat exchanger, so that an acting force opposite to the core body extraction is provided, and the working efficiency is improved.

In an embodiment, please refer to fig. 1, the telescopic supporting mechanism 2 includes a supporting pillar 201, a sleeve 202 and a first hydraulic cylinder 203, the top of the supporting pillar 201 is fixedly connected with the bottom of the frame 1, the sleeve 202 is fixedly connected to one side of the supporting pillar 201 far away from the frame 1, the first hydraulic cylinder 203 is installed inside the sleeve 202, an output end of the first hydraulic cylinder 203 is fixedly connected with a supporting plate 204, the height of the frame 1 can be adjusted through the arranged first hydraulic cylinder 203, core pulling requirements of heat exchangers with different heights are met, a steel cable 706 can be horizontal to the core, the core is prevented from being deviated when being pulled out, resistance is increased, and the core is protected from being damaged.

The utility model discloses the theory of operation: when the core body drawing device is used, firstly, the height of a frame 1 is adjusted through a first hydraulic cylinder 203, a steel cable 706 and a core body are enabled to be horizontal, a screw rod 4 is driven to rotate through forward rotation of a motor 3, a core body connecting and moving mechanism 7 is moved towards a heat exchanger, the core body connecting and moving mechanism is connected to the core body through a hook 707, the core body connecting and moving mechanism 7 is driven to move reversely through reverse rotation of the motor 3, so that the core body is drawn out, a fixing plate 903 is driven to move through a third hydraulic cylinder 902 arranged to abut against a flange of the heat exchanger to provide an acting force opposite to that of drawing out the core body, the working efficiency is improved, after the core body is drawn out for a part of length, a bearing plate 804 is driven to move upwards through a second hydraulic cylinder 803, the bottom of the core body is enabled to be positioned in a placing groove 805, damage to the core body is avoided through a first rubber pad 806, the core body is connected to a connecting frame on two sides through a rope, the core body 807 through the core body, the core body is fixed, so that the bearing mechanism 8 moves synchronously with the drawing out of the core body, the supporting effect to the core is improved, the force is prevented from generating deviation when the core is drawn out, the resistance is increased, and the core is protected from being damaged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a core machine is drawn to overlength version, includes frame (1), its characterized in that: frame (1) bottom four corners department all is equipped with flexible supporting mechanism (2), frame (1) inside middle department is provided with lead screw (4) along length direction, frame (1) one side is equipped with motor (3), slide rail (5) that set up along length direction are all installed to the both sides at frame (1) top, two be equipped with core between slide rail (5) and connect moving mechanism (7) and bearing mechanism (8), core is connected moving mechanism (7) and is established and is located near motor (3), side supporting mechanism (9) are all installed at the both ends that motor (3) one side was kept away from at frame (1) top, control box (6) are installed at frame (1) back.

2. The ultra-long version core puller according to claim 1, characterized in that: moving mechanism (7) is connected to core includes first mounting panel (701), first slider (702) are all installed along length direction's both sides to first mounting panel (701) bottom, first mounting panel (701) are through first slider (702) and slide rail (5) sliding connection, department installs screw nut (703) in the middle of first mounting panel (701) bottom, first mounting panel (701) are through screw nut (703) and lead screw (4) threaded connection, fixed block (704) are installed at first mounting panel (701) top, motor (3) one side is kept away from in fixed block (704) and fixed ring (705) are all installed near the both ends of top department, fixedly connected with cable wire (706) on fixed ring (705), cable wire (706) other end fixedly connected with couple (707).

3. The ultra-long version core puller according to claim 1, characterized in that: supporting mechanism (8) are equipped with two sets ofly at least, supporting mechanism (8) include second mounting panel (801), second slider (802) are all installed along length direction's both sides to second mounting panel (801) bottom, second mounting panel (801) are through second slider (802) and slide rail (5) sliding connection, link (807) are all installed to the both sides of second mounting panel (801), second pneumatic cylinder (803) are all installed along length direction's both sides at second mounting panel (801) top, two be connected with supporting plate (804) between second pneumatic cylinder (803) the top, supporting plate (804) top center department has seted up standing groove (805).

4. The ultra-long version core puller according to claim 3, characterized in that: the placing groove (805) is of an arc-shaped structure, and a first rubber pad (806) is arranged on the inner side of the placing groove (805).

5. The ultra-long version core puller according to claim 1, characterized in that: the side supporting mechanism (9) comprises a fixing frame (901), the fixing frame (901) is fixedly connected with the rack (1) through bolts, a third hydraulic cylinder (902) is installed on one side, away from the bearing mechanism (8), of the fixing frame (901), a fixing plate (903) is fixedly connected to the output end of the third hydraulic cylinder (902), and a second rubber pad (904) is arranged on one side, away from the third hydraulic cylinder (902), of the fixing plate (903).

6. The ultra-long version core puller according to claim 1, characterized in that: the telescopic supporting mechanism (2) comprises a supporting column (201), a sleeve (202) and a first hydraulic cylinder (203), the top of the supporting column (201) is fixedly connected with the bottom of the rack (1), the sleeve (202) is fixedly connected to one side, away from the rack (1), of the supporting column (201), the first hydraulic cylinder (203) is installed inside the sleeve (202), and the output end of the first hydraulic cylinder (203) is fixedly connected with a supporting plate (204).

7. The ultra-long version core puller according to claim 1, characterized in that: the output end of the motor (3) penetrates through the rack (1) and is fixedly connected with the lead screw (4) through the coupler, and the other end of the lead screw (4) is connected with the rack (1) through the bearing seat.