Downward-penetrating auxiliary device for nodular cast iron pipe

Abstract

The utility model discloses a nodular cast iron pipe downward penetrating auxiliary device which comprises a movable base. The supporting table is configured on the movable base; wherein a first sliding way and a second sliding way which are parallel to each other are arranged on the supporting table, a first sliding seat and a second sliding seat are arranged on the first sliding way and the second sliding way, a first fixing piece is arranged on the first sliding seat, a second fixing piece is arranged on the second sliding seat, and the first fixing piece comprises two hoop units and two auxiliary units. The two hoop units are of a symmetrical structure, and the two auxiliary units are movably connected to the left sides and the right sides of the two hoop units correspondingly. And the structure of the second fixing piece is the same as that of the first fixing piece. According to the auxiliary device for downward penetration of the nodular cast iron pipe, the two hoop units and the two auxiliary units surround and support the butted nodular cast iron pipe, and the problem that the nodular cast iron pipe cannot be clamped tightly and slides down in the butting process is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of ductile iron pipe auxiliary, and more specifically, to a ductile iron pipe lowering auxiliary device. Background Art

[0002] The ductile iron pipe industry in my country started in the early 1990s and has developed rapidly with the strong support of the China Urban Water Supply Association. After nearly 30 years of practical use, its safety and practicality have been generally recognized by the water supply industry, and ductile iron pipes have broad development prospects.

[0003] The existing installation of ductile iron pipes requires a crane to lift the ductile iron pipes to the corresponding position, and then multiple workers cooperate to adjust the direction for docking and installation. The manpower and construction time are long, and the construction progress is slow. The currently disclosed docking auxiliary device, such as the patent with application number CN201910729734.6, discloses a ductile iron pipe docking device, including a main frame of the equipment, a dynamic clamp, a fixed clamp and a power system. The dynamic clamp and the fixed clamp are installed in the main frame of the equipment, and the dynamic clamp and the fixed clamp are driven by the power system. The main frame of the equipment is a rectangular frame, and a number of parts installation holes are opened on the main frame of the equipment. Although it realizes automatic docking, it is easy for the ductile iron pipes with high weight and large diameter to be unable to be clamped and slip. Summary of the invention

[0004] The utility model aims to provide a ductile iron pipe lowering auxiliary device, which embraces and supports the butted ductile iron pipes through two clamping hoop units and two auxiliary units, thereby avoiding the problem of the ductile iron pipes slipping due to insufficient clamping during the butt jointing process.

[0005] In order to achieve the purpose and other advantages of the utility model, a ductile iron pipe lowering auxiliary device is provided, comprising:

[0006] Mobile base;

[0007] A support platform, which is arranged on the mobile base;

[0008] Among them, the support platform is provided with a first slide and a second slide parallel to each other, the first slide and the second slide are provided with a first slide seat and a second slide seat, the first slide seat is provided with a first fixing member, the second slide seat is provided with a second fixing member, the first fixing member includes two clamping hoop units and two auxiliary units, the two clamping hoop units are symmetrically structured, and the two auxiliary units are movably connected to the left and right sides of the two clamping hoop units respectively; the structure of the second fixing member is the same as that of the first fixing member.

[0009] Preferably, the auxiliary unit comprises:

[0010] An auxiliary housing, which is arranged on the clamp unit;

[0011] a first threaded button fixedly connected to an upper portion of the auxiliary housing and extending from an outer surface to an inner surface of the auxiliary unit;

[0012] A first auxiliary block is arranged on the right side of the first threaded button, and a first sliding groove is opened on the left side of the first auxiliary block;

[0013] a second threaded button fixedly connected to a lower portion of the auxiliary housing and extending from an outer surface to an inner surface of the auxiliary unit;

[0014] A second auxiliary block is arranged on the right side of the second threaded button, and a second sliding groove is provided on the left side of the second auxiliary block for connecting with the second threaded button;

[0015] An auxiliary pipe, which is fixedly connected to the top of the second auxiliary block, and a return spring is sleeved on the auxiliary pipe;

[0016] Among them, the top of the second auxiliary block is fixedly connected to a fixed shell, the auxiliary tube is arranged inside the fixed shell, the reset spring is sleeved on the auxiliary tube, and the bottom of the auxiliary shell is provided with a rotating knob, the top of the rotating knob passes through the auxiliary shell, the second auxiliary block, the fixed shell, the reset spring and the bottom of the auxiliary tube and passes through the top wall of the auxiliary tube and is threadedly connected to the first auxiliary block.

[0017] Preferably, the hoop unit comprises: an arc-shaped portion and a pair of horizontal portions, wherein the pair of horizontal portions are respectively connected and extended from left and right sides of the arc-shaped portion; and a rubber ring is provided inside the arc-shaped portion.

[0018] Preferably, the ductile iron pipe lowering auxiliary device further comprises: a first motor and a second motor, wherein the output end of the first motor is connected to the first slide seat to drive the first slide seat to slide, and the output end of the second motor is connected to the second slide seat to drive the second slide seat to slide.

[0019] Preferably, the ductile iron pipe lowering auxiliary device further comprises:

[0020] A first bracket, which is arranged on the first slide seat;

[0021] a second bracket, which is arranged on the second slide seat;

[0022] Wherein, the first bracket is provided with a pair of first screw holes, and the second bracket is provided with a pair of second screw holes, and the clamp unit and the first bracket and the second bracket are fixedly connected by bolts through the pair of first screw holes and the pair of second screw holes.

[0023] Preferably, the arc-shaped portion includes an outer shell and an inner wall, and a gap is provided between the outer shell and the inner wall.

[0024] Preferably, a pair of the horizontal portions is provided with a pair of screw holes, and a pair of fixing screws penetrate through the screw holes.

[0025] The utility model at least has the following beneficial effects:

[0026] 1. The utility model embraces and supports the butted ductile iron pipes through two hoop units and two auxiliary units, thereby avoiding the problem of the ductile iron pipes slipping due to insufficient clamping during the butt jointing process.

[0027] 2. The utility model ductile iron pipe lowering auxiliary device can assist the lowering and butt-jointing of ductile iron pipes of different diameters by setting two auxiliary units, and has wide applicability.

[0028] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of a ductile iron pipe lowering auxiliary device according to an embodiment of the utility model;

[0030] Figure 2 It is a structural schematic diagram of two clamping hoop units and two auxiliary units in a ductile iron pipe lowering auxiliary device according to an embodiment of the utility model;

[0031] Figure 3 It is a structural schematic diagram of the first auxiliary block in the auxiliary device for the lowering of a ductile iron pipe according to one embodiment of the utility model;

[0032] Figure 4 It is a structural schematic diagram of the second auxiliary block in the auxiliary device for the lowering of a ductile iron pipe according to one embodiment of the utility model;

[0033] Figure numerals: 1: movable base, 2: support table, 3: first slide, 4: second slide, 5: first slide seat, 500: clamp unit, 501: arc portion, 502: horizontal portion, 510: auxiliary unit, 511: auxiliary shell, 512: first threaded button, 513: first auxiliary block, 514: auxiliary tube, 515: first slide groove, 516: return spring, 517: second threaded button, 518: second auxiliary block, 519: second slide groove, 520: rotating knob, 521: fixed shell, 6: second slide seat, 7: rubber ring, 8: screw hole, 9: fixing screw, 10: first bracket, 11: second bracket, 12: bolt. DETAILED DESCRIPTION

[0034] The present invention will be further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0035] It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] It should be noted that the control methods in the following embodiments are conventional methods unless otherwise specified, and the equipment structures are commercially available unless otherwise specified.

[0037] like Figures 1 to 4 As shown, the utility model provides a ductile iron pipe lowering auxiliary device, comprising:

[0038] Mobile base 1;

[0039] A support platform 2, which is arranged on the mobile base 1;

[0040] Among them, the support platform 2 is provided with a first slide 3 and a second slide 4 which are parallel to each other, the first slide 3 and the second slide 4 are provided with a first slide seat 5 and a second slide seat 6, the first slide seat 5 is provided with a first fixing member, the second slide seat 6 is provided with a second fixing member, the first fixing member includes two clamping hoop units 500 and two auxiliary units 510, the two clamping hoop units 500 are symmetrically structured, and the two auxiliary units 510 are movably connected to the left and right sides of the two clamping hoop units 500 respectively; the structure of the second fixing member is the same as that of the first fixing member.

[0041] In the above embodiment, when two ductile iron pipes are butt-jointed and installed, the clamp unit at the bottom close to the slide is first fixed on the first fixing member and the second fixing member, and then the two ductile iron pipes are respectively placed in the clamp units on both sides by a crane. After the ductile iron pipe is stable, the top clamp unit is sleeved on the upper part of the ductile iron pipe, and the two sides of the clamp unit are auxiliary fixed by the auxiliary unit 510; after being fixed tightly, the first slide 5 and the second slide 6 are driven by the driving motor to carry the ductile iron pipes to be butt-jointed to move toward each other until the two ductile iron pipes are butt-jointed and installed. The butt-jointed ductile iron pipes are supported by two clamp units and two auxiliary units, avoiding the problem of the ductile iron pipes slipping due to poor clamping during the butt-joint process.

[0042] In another embodiment, Figures 2 to 4 , the auxiliary unit 510 includes:

[0043] An auxiliary housing 511, which is provided on the clamp unit 500;

[0044] a first threaded button 512 fixedly connected to the upper portion of the auxiliary housing 511 and extending from the outer surface to the inner surface of the auxiliary unit 510;

[0045] A first auxiliary block 513 is disposed on the right side of the first threaded button 512. A first sliding groove 515 is provided on the left side of the first auxiliary block 513 for slidingly connecting with the first threaded button 512 up and down;

[0046] a second threaded button 517 fixedly connected to the lower portion of the auxiliary housing 511 and extending from the outer surface to the inner surface of the auxiliary unit 510;

[0047] A second auxiliary block 518 is disposed on the right side of the second threaded button 517. A second sliding groove 519 is provided on the left side of the second auxiliary block 518 for connecting with the second threaded button 517;

[0048] An auxiliary tube 514, which is fixedly connected to the top of the second auxiliary block 518, and a return spring 516 is sleeved on the auxiliary tube 514;

[0049] Among them, the top of the second auxiliary block 518 is fixedly connected to a fixed shell 521, the auxiliary tube 514 is arranged inside the fixed shell 521, the reset spring 516 is sleeved on the auxiliary tube 514, and the bottom of the auxiliary shell 511 is provided with a rotating knob 520, the top of the rotating knob 520 passes through the auxiliary shell 511, the second auxiliary block 518, the fixed shell 521, the reset spring 516 and the bottom of the auxiliary tube 514 and passes through the top wall of the auxiliary tube 514 and is threadedly connected to the first auxiliary block 513.

[0050] In the above-mentioned embodiment, after the two clamp units 500 fix the ductile iron pipe by the fixing screws 9, the two auxiliary units 510 are respectively placed on the left and right sides of the horizontal part 502, and then the rotating knob 520 is turned (the rotating knob 520 is connected to the auxiliary shell 511, the second auxiliary block 518, the fixed shell 521, the reset spring 516 and the bottom of the auxiliary tube 514 through a thread and passes through the top wall of the auxiliary tube 514 and is threadedly connected to the first auxiliary block 513), the rotating knob 520 drives the first auxiliary block 513 to move downward, so that the upper and lower horizontal parts 502 are fixed for the second time under the action of the first auxiliary block 513 and the second auxiliary block 518. If it is necessary to disassemble and assemble the auxiliary unit 510, the rotating knob 520 is turned in the opposite direction, and the first auxiliary block 513 moves upward relatively, thereby loosening the auxiliary unit 510 from the horizontal part 502 for removal. The clamping distance of the auxiliary unit 510 is controlled by turning the knob 520. When docking a large-diameter ductile iron pipe, the embracing range of the clamping unit 500 is increased. The clamping distance of the auxiliary unit 510 is increased to adapt to the clamping of the two clamping units with increased embracing range.

[0051] In another embodiment, the clamp unit 500 includes: an arcuate portion 501 and a pair of horizontal portions 502, and the pair of horizontal portions 502 are respectively connected and extended from the left and right sides of the arcuate portion 501; a rubber ring 7 is provided on the inner side of the arcuate portion 501, and the horizontal portion 502 is provided with a screw hole 8, and a fixing screw 9 passes through the screw hole 8.

[0052] In the above-mentioned implementation scheme, a rubber ring 7 is provided on the inner wall of the arc-shaped portion 501 to protect the ductile iron pipe to be clamped, so as to avoid damaging the protective layer on the surface of the ductile iron pipe or the material of the ductile iron pipe during the fixing process; a screw hole 8 is provided on the horizontal portion 502, and a fixing screw 9 is passed through the screw hole 8, so that the ductile iron pipe to be clamped is fixed for the first time, and then the auxiliary unit 510 is used to fix it for the second time, thereby improving the stability of the ductile iron pipe to be clamped and preventing it from slipping during the docking process. When targeting a large-diameter ductile iron pipe, the structural length of the fixing screw 9 is adjusted so that the two clamp units 500 are separated by a certain distance to adapt to the large-diameter ductile iron pipe, and the long-structured fixing screw 9 is passed through the screw hole to fix a pair of horizontal portions 502 to encircle the large-diameter ductile iron pipe, and then the end is fixed by the auxiliary unit 510.

[0053] In another embodiment, the ductile iron pipe underpass auxiliary device also includes: a first motor and a second motor, the output end of the first motor is connected to the first slide 5 to drive the first slide 5 to slide, and the output end of the second motor is connected to the second slide 6 to drive the second slide 6 to slide.

[0054] In the above implementation scheme, the first motor and the second motor drive the first slide 5 and the second slide 6 to drive the ductile iron pipes to be docked to move relative to each other for docking, thereby realizing automatic docking, reducing manual workload, and improving the progress and quality of ductile iron pipe construction.

[0055] In another embodiment, the ductile iron pipe lowering auxiliary device further comprises:

[0056] A first bracket 10, which is arranged on the first slide seat 5;

[0057] A second bracket 11, which is arranged on the second slide seat 6;

[0058] The first bracket 10 is provided with a pair of first screw holes, and the second bracket 11 is provided with a pair of second screw holes. The clamp unit and the first bracket and the second bracket are fixedly connected by bolts through the pair of first screw holes and the pair of second screw holes.

[0059] In the above embodiment, if Figure 2 As shown, the threads in the first screw hole and the second screw hole match the threads of a pair of bolts 12, and the clamp unit 500 is fixed to the first bracket 10 and the second bracket 11 by a pair of bolts 12, thereby improving the stability of the first slide 5 and the second slide 6 in the process of moving the ductile iron pipe.

[0060] In another embodiment, the arc-shaped portion 501 includes an outer shell and an inner wall, and a gap is provided between the outer shell and the inner wall.

[0061] In the above embodiment, a pair of bolts 12 are provided between the outer shell and the inner wall to fix the clamp unit 500 .

[0062] In order to enable those skilled in the art to better understand the technical solution of the utility model, the following best embodiments are provided for illustration:

[0063] like Figures 1 to 4 , a ductile iron pipe lowering auxiliary device, comprising:

[0064] Mobile base 1;

[0065] A support platform 2, which is arranged on the mobile base 1;

[0066] The support platform 2 is provided with a first slideway 3 and a second slideway 4 which are parallel to each other, and a first slide seat 5 and a second slide seat 6 are provided on the first slide seat 3 and the second slide seat 4, a first fixing member is provided on the first slide seat 5, and a second fixing member is provided on the second slide seat 6, and the first fixing member includes two hoop units 500 and two auxiliary units 510, and the two hoop units 500 are symmetrically structured, and the two auxiliary units 510 are movably connected to the left and right sides of the two hoop units 500 respectively; the structure of the second fixing member is the same as that of the first fixing member;

[0067] The auxiliary unit 510 includes: an auxiliary shell 511, which is arranged on the clamp unit 500; a first threaded button 512, which is fixedly connected to the upper part of the auxiliary shell 511 and extends from the outer surface to the inner surface of the auxiliary unit 510; a first auxiliary block 513, which is arranged on the right side of the first threaded button 512, and a first slide groove 515 is provided on the left side of the first auxiliary block 513 for sliding up and down connection with the first threaded button 512; a second threaded button 517, which is fixedly connected to the lower part of the auxiliary shell 511 and extends from the outer surface to the inner surface of the auxiliary unit 510; a second auxiliary block 518, which is arranged on the right side of the second threaded button 517, and a second slide groove 519 is provided on the left side of the second auxiliary block 518 for connecting with the second threaded button 517; an auxiliary tube 514, which is fixedly connected to the bottom top of the first second auxiliary block 5138, and a reset spring 516 is sleeved on the auxiliary tube 514; a second threaded button 517, which is fixedly connected to the auxiliary shell 511 and extends from the outer surface to the inner surface of the auxiliary unit 510; The auxiliary unit 510 is provided with a second auxiliary block 518, which is arranged on the right side of the second threaded button 517, and a second slide groove 519 is provided on the left side of the second auxiliary block 518; wherein, the top of the second auxiliary block 518 is fixedly connected with a fixed housing 521, the auxiliary tube 514 is arranged inside the fixed housing 521, the bottom of the reset spring 516 is fixedly connected with the top of the fixed housing 521 and sleeved on the auxiliary tube 514, the bottom of the auxiliary tube 514 passes through the top of the fixed housing 521 and extends to the side opposite to the inner wall of the fixed housing 521, and the bottom of the auxiliary housing 511 is provided with a rotating screw button 520, the top of the rotating screw button 520 passes through the auxiliary housing 511, the second auxiliary block 518, the fixed housing 521, the reset spring 516 and the bottom of the auxiliary tube 514 and extends to pass through the top wall of the auxiliary tube 514 and is threadedly connected with the first auxiliary block 513;

[0068] The hoop unit 500 includes: an arc portion 501 and a pair of horizontal portions 502, the pair of horizontal portions 502 are respectively connected and extended from the left and right sides of the arc portion 501; a rubber ring 7 is provided inside the arc portion 501, and a screw hole 8 is provided on the horizontal portion 502, and a fixing screw 9 passes through the screw hole 8; the arc portion 501 includes an outer shell and an inner wall, and there is a gap between the outer shell and the inner wall;

[0069] a first motor and a second motor, wherein the output end of the first motor is connected to the first slide 5 to drive the first slide 5 to slide, and the output end of the second motor is connected to the second slide 6 to drive the second slide 6 to slide;

[0070] A first bracket 10, which is arranged on the first slide seat 5;

[0071] A second bracket 11, which is arranged on the second slide seat 6;

[0072] The first bracket 10 is provided with a pair of first screw holes, and the second bracket 11 is provided with a pair of second screw holes. The clamp unit and the first bracket and the second bracket are fixedly connected by bolts through the pair of first screw holes and the pair of second screw holes.

[0073] The use principle of the auxiliary device for ductile iron pipe underpass in this embodiment includes:

[0074] When two ductile iron pipes are butt-jointed and installed, first, a pair of bolts 12 are used to fix a clamp unit close to the slide seat to the first bracket 10, and a pair of bolts 12 are used to fix a clamp unit close to the slide seat to the second bracket 10; then, the two ductile iron pipes are respectively placed in the clamp units on both sides by a crane, and after the ductile iron pipes are stable, the top clamp unit 500 is sleeved on the upper part of the ductile iron pipes, and the two sides of the clamp unit 500 are auxiliary fixed by the auxiliary unit 510; after being fixed, the first slide seat 5 and the second slide seat 6 are driven by a driving motor to carry the ductile iron pipes to be butt-jointed and move towards each other until the two ductile iron pipes are butt-jointed and installed. After installation, the auxiliary unit 510 and the top clamp unit 500 are removed, and the auxiliary device for the ductile iron pipe to be worn under is moved to other positions to be butt-jointed, and the above operation is repeated.

[0075] The utility model of the auxiliary device for lowering ductile iron pipes uses two clamping hoop units and two auxiliary units to support the butted ductile iron pipes, thereby avoiding the problem of the ductile iron pipes slipping due to insufficient clamping during the butt jointing process. By setting up two auxiliary units, the butt jointing of ductile iron pipes of different diameters can be assisted, and the applicability is wide.

[0076] Although the implementation scheme of the utility model has been disclosed as above, it is not limited to the applications listed in the specification and implementation modes. It can be fully applied to various fields suitable for the utility model. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. Auxiliary device for ductile iron pipe underpass, characterized in that: include: Mobile base; A support platform, which is arranged on the mobile base; Among them, the support platform is provided with a first slide and a second slide parallel to each other, the first slide and the second slide are provided with a first slide seat and a second slide seat, the first slide seat is provided with a first fixing member, the second slide seat is provided with a second fixing member, the first fixing member includes two clamping hoop units and two auxiliary units, the two clamping hoop units are symmetrically structured, and the two auxiliary units are movably connected to the left and right sides of the two clamping hoop units respectively; the structure of the second fixing member is the same as that of the first fixing member.

2. The ductile iron pipe lowering auxiliary device according to claim 1, characterized in that: The auxiliary unit comprises: An auxiliary housing, which is arranged on the clamp unit; a first threaded button fixedly connected to an upper portion of the auxiliary housing and extending from an outer surface to an inner surface of the auxiliary unit; A first auxiliary block is arranged on the right side of the first threaded button, and a first sliding groove is opened on the left side of the first auxiliary block; a second threaded button fixedly connected to a lower portion of the auxiliary housing and extending from an outer surface to an inner surface of the auxiliary unit; A second auxiliary block is arranged on the right side of the second threaded button, and a second sliding groove is provided on the left side of the second auxiliary block for connecting with the second threaded button; An auxiliary pipe, which is fixedly connected to the top of the second auxiliary block, and a return spring is sleeved on the auxiliary pipe; Among them, the top of the second auxiliary block is fixedly connected to a fixed shell, the auxiliary tube is arranged inside the fixed shell, the reset spring is sleeved on the auxiliary tube, and the bottom of the auxiliary shell is provided with a rotating knob, the top of the rotating knob passes through the auxiliary shell, the second auxiliary block, the fixed shell, the reset spring and the bottom of the auxiliary tube and passes through the top wall of the auxiliary tube and is threadedly connected to the first auxiliary block.

3. The ductile iron pipe lowering auxiliary device according to claim 1, characterized in that: The hoop unit comprises: an arc-shaped portion and a pair of horizontal portions, wherein the pair of horizontal portions are respectively connected and extended from left and right sides of the arc-shaped portion; and a rubber ring is arranged inside the arc-shaped portion.

4. The ductile iron pipe lowering auxiliary device according to claim 1, characterized in that: Also includes: A first motor and a second motor, wherein the output end of the first motor is connected to the first slide to drive the first slide to slide, and the output end of the second motor is connected to the second slide to drive the second slide to slide.

5. The ductile iron pipe lowering auxiliary device according to claim 1, characterized in that: Also includes: A first bracket, which is arranged on the first slide seat; a second bracket, which is arranged on the second slide seat; Wherein, the first bracket is provided with a pair of first screw holes, and the second bracket is provided with a pair of second screw holes, and the clamp unit and the first bracket and the second bracket are fixedly connected by bolts through the pair of first screw holes and the pair of second screw holes.

6. The ductile iron pipe lowering auxiliary device according to claim 3, characterized in that: The arc-shaped portion includes an outer shell and an inner wall, and a gap is provided between the outer shell and the inner wall.

7. The ductile iron pipe lowering auxiliary device according to claim 3, characterized in that: A pair of screw holes are provided on the pair of horizontal parts, and a pair of fixing screws penetrate through the screw holes.

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