Lifting appliance for nodular cast iron pipe

Abstract

The utility model discloses a sling for nodular cast iron pipes, which relates to the technical field of slings and comprises a fixed seat, a connecting bridge is fixedly connected to the inner wall of the fixed seat, a balancing weight is fixedly connected to the outer wall of the connecting bridge, and a lifting seat is fixedly connected to the outer wall of one end, far away from the balancing weight, of the connecting bridge. By arranging the fixing pin, equipment connection can be carried out by replacing hanging rings of different sizes, the push button only needs to be pushed upwards, the push button drives the fixing pin to ascend and break away from the interior of the fixing groove, and then the mounting block is directly rotated and pulled out of the interior of the mounting groove. And then the replaced lifting ring and the mounting block are reset and mounted, so that the lifting ring can be freely, quickly and conveniently replaced according to the connection modes of different types of cranes so as to perform adaptive connection, the situation that equipment and the cranes are improperly connected or even cannot be connected is prevented, and the stable connection effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lifting appliance, especially relates to a lifting appliance for nodular cast iron pipe. BACKGROUND

[0002] The nodular cast iron pipe is generally produced by using blast furnace molten iron as raw material, and the blast furnace molten iron is subjected to magnesium injection spheroidizing treatment after being heated and tempered by a medium-frequency furnace, the spheroidizing grade of the molten iron is controlled to be 1-3, and the molten iron is formed into a pipe by centrifugal casting, and then is processed through annealing, zinc injection, finishing, lining, aging, cement inner grinding, outer wall coating, code injection and other processes;

[0003] The existing device is not good at freely replacing the lifting ring quickly and conveniently according to the connection mode of different types of cranes to adapt to the connection, which may cause improper connection or even failure of connection between the device and the crane, and cannot ensure stable connection. UTILITY MODEL CONTENTS

[0004] The utility model discloses a lifting appliance for nodular cast iron pipe, through the fixed pin, solved not good at freely replacing the lifting ring quickly and conveniently according to the connection mode of different types of cranes to adapt to the connection, which may cause improper connection or even failure of connection between the device and the crane, and cannot ensure stable connection.

[0005] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0006] The utility model discloses a lifting appliance for nodular cast iron pipe, including the fixed base, the inner wall fixedly connected with the connecting bridge of fixed base, the outer wall fixedly connected with the counterweight of connecting bridge, the outer wall fixedly connected with the lifting seat of connecting bridge far away from counterweight, the top outer wall of fixed base is provided with mounting mechanism;

[0007] The mounting mechanism includes the mounting seat, the bottom outer wall of mounting seat is fixedly connected with the top outer wall of fixed seat, the inner wall of mounting seat is opened The mounting groove is connected with the mounting block that the inner wall of mounting groove is slid, the top outer wall of mounting block is fixedly connected with the lifting ring, the outer wall of mounting block is fixedly connected with the fixed shaft, the inner wall of fixed shaft is opened The fixed groove is connected with the pin seat that the outer wall of pin seat is fixedly connected with the pin groove, the inner wall of pin groove is slid The fixed pin is connected with the spring of fixed pin, the outer wall of spring is fixedly connected with the pin groove, and the outer wall of fixed pin is fixedly connected with the push button.

[0008] Further, the top outer wall of the lifting seat is provided with a fixing mechanism, the fixing mechanism comprises a first motor, the outer wall of the first motor is fixedly connected with the top outer wall of the lifting seat, and the bottom output shaft of the first motor is fixedly connected with a threaded rod through a shaft coupling.

[0009] Further, the outer wall of the threaded rod is rotationally connected with the inner wall of the lifting seat, the inner wall of the lifting seat is provided with a lifting groove, and the lifting groove is slidably connected with a lifting block.

[0010] Further, the inner wall of the lifting block is transmissionally connected with the outer wall of the threaded rod, the outer wall of the lifting block is fixedly connected with a second connecting bridge, and the bottom outer wall of the second connecting bridge is fixedly connected with a second motor.

[0011] Further, the bottom output shaft of the second motor is fixedly connected with a transmission rod through a shaft coupling, the outer wall of the end, away from the second motor, of the transmission rod is fixedly connected with a second gear, and the outer wall of the second connecting bridge is fixedly connected with a fixing rod.

[0012] Further, the outer wall of the fixing rod is rotationally connected with a second gear, the outer wall of the second gear is engaged with the outer wall of the gear, and the outer wall of the second gear is fixedly connected with a threaded sleeve.

[0013] Further, the inner wall of the threaded sleeve is rotationally connected with the outer wall of the fixing rod, the outer wall of the threaded sleeve is transmissionally connected with a displacement shaft seat, and the inner wall of the displacement shaft seat is rotationally connected with a plurality of connecting rods.

[0014] Further, the outer wall of each of the plurality of connecting rods is rotationally connected with a supporting claw, the outer wall of the supporting claw is rotationally connected with a plurality of second connecting rods, the outer wall of the end, away from the supporting claw, of the second connecting rod is rotationally connected with a fixing shaft seat, and the outer wall of the fixing shaft seat is fixedly connected with the outer wall of the fixing rod.

[0015] The utility model has the following beneficial effects:

[0016] 1、the utility model discloses a fixing pin can be replaced with different size's lifting ring and be connected with equipment, only need to push the push button upward, the push button drives the fixing pin to rise and separate from the fixed groove, directly rotate the mounting block and pull out from the installation groove upward again, then reset the installation of the replacement lifting ring and the mounting block, the fixing pin will always keep in the state of the fixed groove under the action of the spring to fix the fixed shaft, the fixed shaft will indirectly fix the mounting block and the lifting ring, can be connected with different types of crane, free to replace the lifting ring quickly and conveniently to adapt to the connection, prevent the improper connection between equipment and crane even the situation of unable to connect, ensure the effect of stable connection.

[0017] 2, the utility model discloses a connecting bridge two is provided, starts first motor, and first motor drives screw rod to rotate, and screw rod drives lifting block to lift displacement, and lifting block drives connecting bridge two to lift displacement, and according to the thickness of iron pipe is adjusted to ensure that connecting bridge two and the distance between connecting bridge are enough, then connecting bridge two moves to the inside of iron pipe, starts second motor, and second motor drives transmission rod to rotate, and transmission rod drives gear to rotate, reaches can to the inner wall of the ductile iron pipe of different size can be carried out multi-angle inner support to its steady fixed, prevents iron pipe from appearing accidental drop -out in the process of displacement.

[0018] Of course, it is not necessary for any product embodying the present utility model to achieve all of the above advantages simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0020] Figure 1 It is the whole structure schematic diagram of the present utility model;

[0021] Figure 2 It is the mounting mechanism schematic diagram of the present utility model;

[0022] Figure 3 It is the mounting seat structure sectional view of the present utility model;

[0023] Figure 4 It is the present utility model Figure 3 It is the enlarged view of A in the present utility model;

[0024] Figure 5 It is the fixed mechanism sectional view of the present utility model;

[0025] Figure 6 It is the present utility model Figure 5 It is the enlarged view of B in the present utility model.

[0026] In the drawings, the component list represented by each sign is as follows:

[0027] 1, fixed seat; 101, connecting bridge; 102, counterweight; 103, lifting seat; 2, mounting mechanism; 201, mounting seat; 202, mounting groove; 203, mounting block; 204, lifting ring; 205, fixed shaft; 206, fixed groove; 207, pin seat; 208, pin groove; 209, fixed pin; 210, spring; 211, push button; 3, fixed mechanism; 301, first motor; 302, threaded rod; 303, lifting groove; 304, lifting block; 305, connecting bridge two; 306, second motor; 307, transmission rod; 308, gear; 309, fixed rod; 310, gear two; 311, threaded sleeve; 312, displacement shaft seat; 313, connecting rod; 314, support claw; 315, connecting rod two; 316, fixed shaft seat. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Please refer to Figures 1-6 The utility model discloses a kind of lifting appliance for nodular cast iron pipe, including fixed seat 1, the inner wall of fixed seat 1 is fixedly connected with connecting bridge 101, the outer wall of connecting bridge 101 is fixedly connected with counterweight 102, connecting bridge 101 mainly plays the role of fixed limit to counterweight 102, counterweight 102 can only be fixed position on connecting bridge 101 cannot be displaced alone, counterweight 102 plays the role of maintaining balance to setting whole, the outer wall of one end of connecting bridge 101 away from counterweight 102 is fixedly connected with lifting seat 103, the top outer wall of fixed seat 1 is provided with mounting mechanism 2;

[0030] The mounting mechanism 2 comprises a mounting base 201, the bottom outer wall of the mounting base 201 is fixedly connected with the top outer wall of the fixing base 1, the fixing base 1 mainly plays a fixing limiting role on the mounting base 201, the mounting base 201 can only be fixedly positioned on the fixing base 1 and cannot be displaced alone, the inner wall of the mounting base 201 is provided with a mounting groove 202, the inner wall of the mounting groove 202 is slidably connected with a mounting block 203, the top outer wall of the mounting block 203 is fixedly connected with a lifting ring 204, the mounting groove 202 mainly plays a sliding limiting role on the mounting block 203, the mounting block 203 can only be fixedly angularly lifted and displaced and rotated in the mounting groove 202, the outer wall of the mounting block 203 is fixedly connected with a fixing shaft 205, the inner wall of the fixing shaft 205 is provided with a fixing groove 206, the outer wall of the mounting base 201 is fixedly connected with a pin seat 207, the mounting block 203 mainly plays a fixing limiting role on the fixing shaft 205, the mounting block 203 rotates to drive the fixing shaft 205 to rotate around it, the inner wall of the pin seat 207 is provided with a pin groove 208, the inner wall of the pin groove 208 is slidably connected with a fixing pin 209, the outer wall of the fixing pin 209 is slidably connected with the inner wall of the fixing groove 206, the pin groove 208 mainly plays a sliding limiting role on the fixing pin 209, the fixing pin 209 can only be fixedly angularly slidably displaced in the pin groove 208, the outer wall of the fixing pin 209 is fixedly connected with a spring 210, the outer wall of the end of the spring 210 away from the fixing pin 209 is fixedly connected with the inner wall of the pin groove 208, the outer wall of the fixing pin 209 is fixedly connected with a push button 211, the push button 211 is shaped to facilitate a user to directly push it by hand, the push button 211 is displaced to drive the fixing pin 209 to be displaced.

[0031] The outer wall of the top of the lifting seat 103 is provided with a fixing mechanism 3, the fixing mechanism 3 comprises a first motor 301, the outer wall of the first motor 301 is fixedly connected with the outer wall of the top of the lifting seat 103, the bottom output shaft of the first motor 301 is fixedly connected with a threaded rod 302 through a shaft coupling, the first motor 301 mainly plays a role of providing kinetic energy for the threaded rod 302, the first motor 301 drives the threaded rod 302 to rotate when starting, the outer wall of the threaded rod 302 is rotatably connected with the inner wall of the lifting seat 103, the inner wall of the lifting seat 103 is provided with a lifting groove 303, the lifting groove 303 is slidably connected with a lifting block 304, the lifting groove 303 mainly plays a role of sliding limiting for the lifting block 304, the lifting block 304 can only slide in the lifting groove 303 at a fixed angle, the inner wall of the lifting block 304 is drivingly connected with the outer wall of the threaded rod 302, the outer wall of the lifting block 304 is fixedly connected with a connecting bridge two 305, the bottom outer wall of the connecting bridge two 305 is fixedly connected with a second motor 306, the threaded rod 302 drives the lifting block 304 to displace when rotating, the lifting block 304 drives the connecting bridge two 305 to displace at the same time, the bottom output shaft of the second motor 306 is fixedly connected with a transmission rod 307 through a shaft coupling, the outer wall of the end, away from the second motor 306, of the transmission rod 307 is fixedly connected with a gear 308, the outer wall of the connecting bridge two 305 is fixedly connected with a fixed rod 309, the second motor 306 mainly plays a role of providing kinetic energy for the transmission rod 307, the second motor 306 drives the transmission rod 307 to rotate when starting, the transmission rod 307 drives the gear 308 to rotate at the same time.

[0032] The outer wall of the fixed rod 309 is rotationally connected with a gear two 310, the outer wall of the gear two 310 is engaged with the outer wall of the gear 308, the outer wall of the gear two 310 is fixedly connected with a threaded sleeve 311, the inner wall of the threaded sleeve 311 is rotationally connected with the outer wall of the fixed rod 309, the fixed rod 309 mainly plays a rotation limiting role on the gear two 310, the gear two 310 can only rotate at the fixed position of the fixed rod 309, the gear two 310 will drive the threaded sleeve 311 to rotate when rotating, the outer wall of the threaded sleeve 311 is transmissionally connected with a displacement shaft seat 312, the inner wall of the displacement shaft seat 312 is rotationally connected with a plurality of connecting rods 313, the outer wall of each connecting rod 313 is rotationally connected with a supporting claw 314, the threaded sleeve 311 will drive the displacement shaft seat 312 to displace when rotating, the displacement shaft seat 312 will drive one end of the plurality of connecting rods 313 to displace at the same time to make the plurality of connecting rods 313 rotate, the outer wall of the supporting claw 314 is rotationally connected with a plurality of connecting rods two 315, the outer wall of the end of the connecting rod two 315 away from the supporting claw 314 is rotationally connected with a fixed shaft seat 316, the outer wall of the fixed shaft seat 316 is fixedly connected with the outer wall of the fixed rod 309, the fixed rod 309 mainly plays a fixed limiting role on the fixed shaft seat 316, the fixed shaft seat 316 can only be fixed at the position of the fixed rod 309 and cannot displace and rotate alone.

[0033] One specific application of the embodiment is:

[0034] When the worker needs to use the device, the device connection can be carried out by replacing the lifting ring 204, only need to push the push button 211 upward, the fixed pin 209 is lifted and separated from the fixed groove 206, then directly rotate the mounting block 203 and pull out from the mounting groove 202 upward, then reset the installation of the replaced lifting ring 204 and the mounting block 203, during which the fixed pin 209 will always be kept in the fixed groove 206 under the action of the spring 210 to fix the fixed shaft 205, the fixed shaft 205 will indirectly fix the mounting block 203 and the lifting ring 204, after the equipment is installed through the lifting ring 204, the equipment is moved to the top of the ductile iron pipe, then the first motor 301 is started, the first motor 301 drives the threaded rod 302 to rotate, the threaded rod 302 drives the lifting block 304 to displace, the lifting block 304 drives the connecting bridge two 305 to displace, the thickness of the iron pipe is adjusted to ensure that there is enough distance between the connecting bridge two 305 and the connecting bridge 101, then the connecting bridge two 305 is moved to the inside of the iron pipe, the second motor 306 is started, the second motor 306 drives the transmission rod 307 to rotate, the transmission rod 307 drives the gear 308 to rotate, the gear 308 drives the gear two 310 to rotate, the gear two 310 drives the threaded sleeve 311 to rotate, the threaded sleeve 311 drives the displacement shaft seat 312 to displace, the displacement shaft seat 312 drives the plurality of connecting rods 313 to rotate, the plurality of connecting rods 313 all drive the supporting claws 314 to displace upward, the plurality of supporting claws 314 will support the inner wall of the iron pipe to fix while displacing, then the whole equipment is moved, the whole equipment can drive the iron pipe to displace.

[0035] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details and limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A lifting device for ductile iron pipes, comprising a fixing seat (1), characterized in that: The inner wall of the fixed seat (1) is fixedly connected with a connecting bridge (101), the outer wall of the connecting bridge (101) is fixedly connected with a counterweight (102), the outer wall of the end of the connecting bridge (101) away from the counterweight (102) is fixedly connected with a lifting seat (103), and the top outer wall of the fixed seat (1) is provided with a mounting mechanism (2). The mounting mechanism (2) comprises a mounting seat (201), the bottom outer wall of the mounting seat (201) is fixedly connected with the top outer wall of the fixed seat (1), the inner wall of the mounting seat (201) is provided with a mounting groove (202), the inner wall of the mounting groove (202) is slidably connected with a mounting block (203), the top outer wall of the mounting block (203) is fixedly connected with a lifting ring (204), the outer wall of the mounting block (203) is fixedly connected with a fixed shaft (205), the inner wall of the fixed shaft (205) is provided with a fixed groove (206), the outer wall of the mounting seat (201) is fixedly connected with a pin seat (207), the inner wall of the pin seat (207) is provided with a pin groove (208), the inner wall of the pin groove (208) is slidably connected with a fixed pin (209), the outer wall of the fixed pin (209) is slidably connected with the inner wall of the fixed groove (206), the outer wall of the fixed pin (209) is fixedly connected with a spring (210), the outer wall of the end of the spring (210) away from the fixed pin (209) is fixedly connected with the inner wall of the pin groove (208), and the outer wall of the fixed pin (209) is fixedly connected with a push button (211).

2. The lifting tool for a ductile cast iron pipe according to claim 1, characterized by The top outer wall of the lifting seat (103) is provided with a fixing mechanism (3), the fixing mechanism (3) comprises a first motor (301), the outer wall of the first motor (301) is fixedly connected with the top outer wall of the lifting seat (103), and the bottom output shaft of the first motor (301) is fixedly connected with a threaded rod (302) through a shaft coupling.

3. The lifting tool according to claim 2, wherein The outer wall of the threaded rod (302) is rotatably connected with the inner wall of the lifting seat (103), the inner wall of the lifting seat (103) is provided with a lifting groove (303), and the inner wall of the lifting groove (303) is slidably connected with a lifting block (304).

4. The lifting tool according to claim 3, wherein The inner wall of the lifting block (304) is in transmission connection with the outer wall of the threaded rod (302), the outer wall of the lifting block (304) is fixedly connected with a connecting bridge two (305), and the bottom outer wall of the connecting bridge two (305) is fixedly connected with a second motor (306).

5. The lifting tool according to claim 4, wherein The bottom output shaft of the second motor (306) is fixedly connected with a transmission rod (307) through a shaft coupling, the outer wall of the end of the transmission rod (307) away from the second motor (306) is fixedly connected with a gear (308), the outer wall of the connecting bridge two (305) is fixedly connected with a fixed rod (309).

6. The lifting tool according to claim 5, wherein The outer wall of the fixed rod (309) is rotatably connected with a gear two (310), the outer wall of the gear two (310) is in meshing connection with the outer wall of the gear (308), and the outer wall of the gear two (310) is fixedly connected with a threaded sleeve (311).

7. The lifting tool according to claim 6, wherein The inner wall of the threaded sleeve (311) is rotationally connected with the outer wall of the fixed rod (309), the outer wall of the threaded sleeve (311) is drivingly connected with a displacement shaft seat (312), and the inner wall of the displacement shaft seat (312) is rotationally connected with a plurality of connecting rods (313).

8. The lifting tool according to claim 7, wherein The outer wall of each of the plurality of connecting rods (313) is rotationally connected with a supporting claw (314), the outer wall of the supporting claw (314) is rotationally connected with a plurality of connecting rods II (315), the outer wall of one end of the connecting rod II (315) away from the supporting claw (314) is rotationally connected with a fixed shaft seat (316), and the outer wall of the fixed shaft seat (316) is fixedly connected with the outer wall of the fixed rod (309).

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