Auxiliary device for butt joint of bell and spigot of nodular cast iron pipe

Abstract

The utility model discloses an auxiliary device for butt joint of bell and spigot joints of nodular cast iron pipes, which relates to the technical field of cart handles and comprises fixing clamps, the fixing clamps are symmetrically arranged, chains are movably connected to the tops and the bottoms of the fixing clamps, and a group of symmetrical guide rails are fixedly connected to opposite sides of the fixing clamps. Sliding mechanisms are arranged on the opposite sides of the fixing clamps, bearing mechanisms are arranged at the tops of the sliding mechanisms, rotating rods are rotatably connected to the bottoms of the sliding blocks, driving mechanisms are fixedly connected to the tops of the bearing mechanisms and the sliding mechanisms, and check blocks are slidably connected to the corners of the bottoms of the sliding mechanisms. According to the utility model, the bearing mechanism, the adjusting rod and the inclined surface are in threaded transmission fit, manual rotation is converted into vertical fine adjustment of the lifting block, and low-friction rolling of the rolling ball is combined, so that the pipeline axis is quickly aligned with the original bell and spigot, and the problem of time consumption caused by repeated trial and adjustment of traditional manual heightening is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to auxiliary device technical field, concretely is a kind of auxiliary device for ductile cast iron pipe socket joint. BACKGROUND

[0002] Ductile cast iron pipe is generally used as city pipeline, but when it needs to be cut off for a long time or new pipeline is needed, a section of ductile cast iron pipe needs to be cut off, and then a new ductile cast iron pipe is connected. During the process of connecting the ductile cast iron pipe, the ground needs to be excavated to expose the original pipeline completely, and then the pipeline is cut to have two suspended connection ends. Then a connecting sleeve is sleeved on one suspended end, and a new pipeline is sleeved on the other suspended end. The connecting sleeve is then slid out and connected with the new pipeline to form a new pipeline.

[0003] However, in the process of connecting the two suspended ends, the existing method needs to use bricks to build a boss as a temporary support, and then place the new pipeline on the boss. Subsequently, the pipeline is knocked into one end using an excavator or a hammer head. This method is complicated, time-consuming and labor-intensive. Therefore, a ductile cast iron pipe socket joint auxiliary device is needed to solve the existing problems. SUMMARY

[0004] One technical problem to be solved by the present application is that the sliding mechanism is provided, the chain traction driving mechanism drives the sliding block to move linearly along the guide rail, the mechanical rigid guide replaces manual experience operation, the problem of unstable traditional support and large sliding deviation is solved, the success rate of joint and construction safety are improved, and the dependence on operator skills is reduced. The pipe axis is quickly aligned with the original socket joint by the setting of the receiving mechanism combined with the low-friction rolling of the ball, and the time-consuming problem of traditional manual heightening and repeated debugging is solved.

[0005] To solve the above technical problems, the present application provides a ductile cast iron pipe socket joint auxiliary device, which comprises a fixed clamp. The fixed clamp is symmetrically arranged, and the top and bottom of the fixed clamp are movably connected with chains. A group of symmetric guide rails are fixedly connected to the opposite sides of the fixed clamp. A sliding mechanism is arranged on the opposite sides of the fixed clamp. The sliding mechanism comprises a sliding block. The two guide rails penetrate the sliding block and are slidably connected with the sliding block. A receiving mechanism is arranged on the top of the sliding mechanism. A rotating rod is rotatably connected to the bottom of the sliding block. Drive mechanisms are fixedly connected to the top of the receiving mechanism and the sliding mechanism, and are movably connected with the chains. Stop blocks are slidably connected to the bottom corners of the sliding mechanism.

[0006] The utility model further sets up, the receiving mechanism includes the lifting piece, the multisection hoop, the ball, the adjusting block and the adjusting rod, the multisection hoop is symmetrically arranged, and the bottom of multisection hoop is respectively through the pivot swing joint in the top both ends of lifting piece, the bottom swing joint of lifting piece has the ball, and constructs the arc surface on the lifting piece, the surface of adjusting rod is provided with the thread, adjusting rod penetrates the adjusting block, and adjusting rod is connected with the adjusting block thread.

[0007] The utility model further sets up, the lifting piece swing joint in the top of sliding block, and the ball is located in the inside of sliding block, the adjusting block constructs the inclined plane, and the ball is swing joint with inclined plane.

[0008] The utility model further sets up, the adjusting block slide connection in the inside of sliding block, the adjusting rod swing joint in the inside of sliding block, and the one end of adjusting rod extends to the outside of sliding block, and for polygonal structure.

[0009] The utility model further sets up, the drive mechanism includes the shell, the drive rod, the first transmission gear, the second transmission gear, the third transmission gear, the chain wheel and the gear shaft, the one side swing joint of shell has the drive rod, and the first transmission gear fixed connection in one end of drive rod, the other side swing joint of shell has the chain wheel, and the pivot end fixed connection of chain wheel has the third transmission gear, the drive rod is symmetrically arranged, and drive rod all swing joint in the inside of shell, the second transmission gear is symmetrically arranged, the drive rod penetrates the second transmission gear respectively, and drive rod is connected with the second transmission gear fixedly, the first transmission gear is located the opposite side of second transmission gear, and two second transmission gears all are engaged with the first transmission gear, two the second transmission gear all is engaged with the third transmission gear.

[0010] The utility model further sets up, the first transmission gear and the third transmission gear all are located the inside of shell, and the axis of drive rod and the axis of chain wheel coincide.

[0011] The utility model further sets up, and one the bottom of shell is fixedly connected with one multisection hoop outside, another the shell and the one end of rotating rod are fixedly connected, the chain wheel and the chain swing joint.

[0012] The utility model at least has following beneficial effect:

[0013] The utility model discloses a sliding mechanism, the guide rail in sliding mechanism is rigidly connected with fixed clamp, provides stable track for sliding block, avoids the problem that the brick support is easy to collapse, ensures that the replacement pipeline is always in horizontal state in the moving process, and the sliding cooperation of sliding block and guide rail restricts the pipeline moving direction, and the sliding block is driven along the guide rail linearly by chain traction drive mechanism, and manual experience operation is replaced by mechanical rigidity orientation, solves the problem of traditional unstable support and big sliding deviation, improves the butt joint success rate and construction safety, and reduces the operator skill dependence simultaneously.

[0014] The utility model discloses a bearing mechanism, the screw thread transmission cooperation of adjusting rod and inclined plane converts manual rotation into the vertical fine adjustment of lifting block, realizes the quick alignment of pipeline axis and original socket with the low friction rolling of ball, solves the time -consuming problem of traditional manual pad height repeatedly.

[0015] The utility model discloses a drive mechanism, the drive rod drives first transmission gear to rotate, and then drives the second gear of symmetrical arrangement, and then transmission to third gear, and third gear drives sprocket to rotate, and the human power input torque is enlarged through gear set transmission ratio, and the drive mechanism of the drive rod side of multi -sectioned hoop side is realized synchronous traction through chain, and the stress of both sides is balanced when the pipeline is pushed, prevents the tilt caused by one -sided traction, and then leads to the aggravation of the wear of guide rail, solves the pain point of traditional method and needs engineering equipment auxiliary cooperation, realizes two -person operation and laborsaving push. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the local cutaway structure schematic diagram of the utility model stop block;

[0018] Figure 3 It is the three -dimensional structure schematic diagram of the utility model sliding mechanism and bearing mechanism;

[0019] Figure 4 It is the inside cutaway structure schematic diagram of the utility model sliding mechanism;

[0020] Figure 5 It is the three -dimensional structure schematic diagram of the utility model drive mechanism;

[0021] Figure 6 It is the side cutaway structure schematic diagram of the utility model shell;

[0022] Figure 7 It is the top cutaway structure schematic diagram of the utility model shell.

[0023] In the diagram: 1. Fixed clamp; 2. Guide rail; 3. Sliding mechanism; 301. Sliding block; 302. Stop block; 303. Rotating rod; 4. Receiving mechanism; 401. Lifting block; 402. Multi-section clamp; 403. Rolling ball; 404. Adjusting block; 405. Adjusting rod; 5. Drive mechanism; 501. Housing; 502. Drive rod; 503. First transmission gear; 504. Second transmission gear; 505. Third transmission gear; 506. Sprocket; 507. Gear shaft; 6. Chain; 7. Inclined surface. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] like Figures 1-7 As shown, this utility model provides a technical solution: an auxiliary device for ductile iron pipe socket connection, including a fixing clamp 1. The fixing clamps 1 are symmetrically arranged, with multiple points of tension formed by chains 6 at the top and bottom. The fixing clamps 1 are symmetrically arranged, and chains 6 are movably connected to the top and bottom of the fixing clamps 1. A set of symmetrical guide rails 2 are fixedly connected to the opposite side of the fixing clamps 1. By clamping both ends of the pipe and using the guide rails 2 to form a stable frame, the instability of traditional brick support is avoided. A sliding mechanism 3 is provided on the opposite side of the fixing clamps 1. The sliding mechanism 3 includes a sliding block 301. Both guide rails 2 pass through the sliding block 301, and the guide rails 2 and the sliding block 301 are connected. 1. A sliding connection is provided to provide a linear motion track for the sliding mechanism 3, ensuring that the sliding mechanism 3 moves smoothly along the preset track and accurately controls the pipe docking path. A receiving mechanism 4 is provided on the top of the sliding mechanism 3, and a rotating rod 303 is rotatably connected to the bottom of the sliding block 301. A driving mechanism 5 is fixedly connected to the top of the receiving mechanism 4 and the sliding mechanism 3, and the driving mechanism 5 is movably connected to the chain 6. A stop block 302 is slidably connected to the bottom corner of the sliding mechanism 3. The slidable stop block 302 at the corner can fix the rotating rod 303, adapt to different pit space conditions, and solve the problem of the rotating rod 303 being inconvenient to operate in narrow spaces.

[0026] When in use, the two sets of fixing clamps 1 are respectively clamped on the two suspended ends of the cut ductile iron pipe, and connected to the bottom through the guide rail 2 to form a stable frame structure. The initial position of the sliding block 301 is on the operator's side, which is convenient for placing the pipe to be connected. Press the stop block 302 at the bottom corner of the sliding block 301 to release the locking state of the rotating rod 303, allowing the rotating rod 303 to adjust the angle to adapt to the space constraints of the pit.

[0027] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, the receiving mechanism 4 comprises a lifting block 401, a multi-sectioned hoop 402, a rolling ball 403, an adjusting block 404 and an adjusting rod 405, the multi-sectioned hoop 402 is symmetrically arranged, the bottom ends of the multi-sectioned hoop 402 are movably connected to the top ends of the lifting block 401 through rotating shafts respectively, the multi-sectioned hoop 402 can wrap and clamp the pipeline to be connected, the bottom of the lifting block 401 movably connects the rolling ball 403, and an arc surface is formed on the lifting block 401, the surface of the adjusting rod 405 is provided with threads, the adjusting rod 405 penetrates the adjusting block 404, and the adjusting rod 405 is driven to move horizontally through threads, the adjusting rod 405 is threadedly connected with the adjusting block 404, the adjusting block 404 is moved by rotating the adjusting rod 405, the lifting block 401 is finely adjusted by the contact between the inclined surface 7 and the rolling ball 403, the pipeline is horizontally aligned, the lifting block 401 is movably connected to the top end of the sliding block 301, the rolling ball 403 is located in the interior of the sliding block 301, the adjusting block 404 is provided with the inclined surface 7, the rolling ball 403 is movably connected with the inclined surface 7, the movement of the adjusting block 404 is converted into the vertical displacement of the lifting block 401 through the inclined surface 7, the height is adjusted in millimeter level, the rolling ball 403 can reduce the frictional resistance of the sliding of the adjusting block 404, improve the adjusting sensitivity, the adjusting block 404 is slidably connected in the interior of the sliding block 301 and is driven by the adjusting rod 405, the adjusting rod 405 is movably connected in the interior of the sliding block 301, one end of the adjusting rod 405 extends to the exterior of the sliding block 301, and the adjusting rod 405 is in polygonal structure, such as hexagonal structure, which is convenient for operation, allows external tools, such as wrenches, to quickly apply force, simplifies the operation steps and improves the construction efficiency.

[0028] As Figure 5 , Figure 6 and Figure 7As shown, the driving mechanism 5 comprises a shell 501, a driving rod 502, a first transmission gear 503, a second transmission gear 504, a third transmission gear 505, a chain wheel 506 and a gear shaft 507, one side of the shell 501 is movably connected with the driving rod 502, and one end of the driving rod 502 is fixedly connected with the first transmission gear 503, the other side of the shell 501 is movably connected with the chain wheel 506, the chain wheel 506 cooperates with the chain 6 to form a traction power source, and the end of the rotating shaft of the chain wheel 506 is fixedly connected with the third transmission gear 505, the driving rod 502 is symmetrically arranged, and the driving rod 502 is movably connected to the inside of the shell 501, the second transmission gears 504 are symmetrically arranged, which can balance the load of the transmission system, avoid unilateral wear and tear, and prolong the service life of the device, the driving rod 502 penetrates through the second transmission gears 504, and the driving rod 502 is fixedly connected with the second transmission gears 504, the first transmission gear 503 is located on the opposite side of the second transmission gears 504, and the two second transmission gears 504 are meshed with the first transmission gear 503, the two second transmission gears 504 are meshed with the third transmission gear 505, the torque input by the driving rod 502 is distributed to the two second gears 504 through the first gear 503, and then transmitted to the third gear 505, so as to realize torque amplification and reduce the strength of manual force.

[0029] As shown in Figure 6 and Figure 7 , the first transmission gear 503 and the third transmission gear 505 are located on the inside of the shell 501, avoiding external pollution and preventing sand from invading and causing jamming, and the axis of the driving rod 502 coincides with the axis of the chain wheel 506, ensuring that the power transmission path is linearized and reducing energy loss.

[0030] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the bottom of one of the shells 501 is fixedly connected with the outside of one of the multi-joint hoops 402, and the other shell 501 is fixedly connected with one end of the rotating rod 303, forming double driving points, the chain wheel 506 and the chain 6 movably cooperate, the sliding mechanism 3 moves along the guide rail 2, and the sliding of the pipeline is controlled by the chain 6 to achieve the integrated operation of "clamping-adjusting-pushing", replacing the traditional step-by-step construction process.

[0031] The operator rotates the driving rod 502 of the driving mechanism 5 to drive the first transmission gear 503 to rotate, and synchronously transmits power to the third transmission gear 505 through the symmetric second transmission gears 504 on both sides, and finally drives the chain wheel 506 to rotate, the chain wheel 506 is meshed with the chain 6, and the sliding block 301 is pulled to move stably along the guide rail 2 to the original pipeline direction, and the new pipeline is accurately inserted into the original pipeline socket.

[0032] Working principle: first, two fixed clamps 1 are respectively clamped at the two ends of the suspended pipeline to be connected, the pipeline to be connected, such as a tee or a new pipeline, is placed on the receiving mechanism 4, the pipeline is wrapped and locked by the multiple hoop 402, the adjusting rod 405 is rotated, the adjusting block 404 is driven to slide in the sliding block 301, the inclined surface 7 thereof is in contact with the rolling ball 403, the lifting block 401 is adjusted up and down, and the pipeline is horizontally aligned;

[0033] When the position of the excavated foundation pit is according to the position of the excavated foundation pit, the stop block 302 is pressed into the inside of the sliding block 301, the rotating rod 303 is unlocked, then the rotating rod 303 is rotated to the side where the foundation pit space is larger, and then the construction is facilitated, and then the stop block 302 is reset by the gravity of the stop block 302, so that the rotating rod 303 is repositioned and locked;

[0034] The chain 6 is embedded in the sprocket 506 of the driving mechanism 5 to form a traction power chain, when the driving rod 502 is rotated, the first transmission gear 503 drives the second transmission gear 504 and the third transmission gear 505 on both sides, and finally drives the sprocket 506 to rotate, the torque is amplified through the gear set, and the operator only needs to rotate a small force to pull the heavy load pipeline;

[0035] The sliding block 301 moves stably along the guide rail 2 to the suspended end, so that the pipeline advances along a straight path, under the continuous traction of the driving mechanism 5, the sliding mechanism 3 pushes the pipeline to the suspended end socket to complete the sleeving process, finally the multiple hoop 402 is released, and the device is removed, and the sealing property of the interface is checked.

[0036] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying that there is any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or apparatus including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or apparatus.

[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for assisting the butt joint of a socket of a ductile cast iron pipe, comprising a fixing clamp (1), characterized in that: The fixed clamp (1) is symmetrically arranged, and the top and bottom of the fixed clamp (1) are movably connected with chains (6), the opposite sides of the fixed clamp (1) are fixedly connected with a group of symmetric guide rails (2), the opposite sides of the fixed clamp (1) are provided with sliding mechanisms (3), the sliding mechanism (3) comprises a sliding block (301), the two guide rails (2) penetrate through the sliding block (301), and the guide rail (2) and the sliding block (301) are in sliding connection, the top of the sliding mechanism (3) is provided with a receiving mechanism (4), the bottom of the sliding block (301) is rotatably connected with a rotating rod (303), the top of the receiving mechanism (4) and the sliding mechanism (3) are fixedly connected with a driving mechanism (5), and the driving mechanism (5) is movably connected with the chain (6), and the bottom corners of the sliding mechanism (3) are movably connected with the stoppers (302).

2. The auxiliary device for the butt joint of the ductile cast iron pipe socket according to claim 1, characterized in that: The receiving mechanism (4) comprises a lifting block (401), a plurality of hoops (402), a rolling ball (403), an adjusting block (404) and an adjusting rod (405), the plurality of hoops (402) are symmetrically arranged, and the bottom ends of the plurality of hoops (402) are movably connected to the top two ends of the lifting block (401) through rotating shafts respectively, the bottom of the lifting block (401) is movably connected with the rolling ball (403), and the lifting block (401) is provided with an arc surface, the surface of the adjusting rod (405) is provided with threads, the adjusting rod (405) penetrates through the adjusting block (404), and the adjusting rod (405) and the adjusting block (404) are in threaded connection.

3. The auxiliary device for the butt joint of the ductile cast iron pipe socket according to claim 2, characterized in that: The lifting block (401) is movably connected to the top end of the sliding block (301), and the rolling ball (403) is located in the interior of the sliding block (301), the adjusting block (404) is provided with a slope (7), and the rolling ball (403) is movably connected with the slope (7).

4. The auxiliary device for connecting the bell and spigot of a ductile cast iron pipe according to claim 3, characterized in that: The adjusting block (404) is movably connected in the interior of the sliding block (301), the adjusting rod (405) is movably connected in the interior of the sliding block (301), one end of the adjusting rod (405) extends to the outside of the sliding block (301), and the adjusting rod (405) is a polygonal structure.

5. The auxiliary device for the butt joint of the ductile cast iron pipe socket according to claim 1, characterized in that: Said driving mechanism (5) includes the shell (501), drive rod (502), first transmission gear (503), second transmission gear (504), third transmission gear (505), sprocket (506) and gear shaft (507), one side of the shell (501) is movably connected with drive rod (502), and first transmission gear (503) is fixedly connected to one end of drive rod (502), the other side of the shell (501) is movably connected with sprocket (506), and the rotating shaft end of sprocket (506) is fixedly connected with third transmission gear (505), the drive rod (502) is symmetrically arranged, and the drive rod (502) is movably connected to the inside of shell (501), the second transmission gear (504) is symmetrically arranged, the drive rod (502) penetrates the second transmission gear (504) respectively, and the drive rod (502) is fixedly connected with the second transmission gear (504), the first transmission gear (503) is located on the opposite side of the second transmission gear (504), and the two second transmission gears (504) are engaged with the first transmission gear (503), the two second transmission gears (504) are engaged with the third transmission gear (505).

6. The auxiliary device for the butt joint of the ductile cast iron pipe socket according to claim 5, characterized in that: Said first transmission gear (503) and third transmission gear (505) are located on the inside of shell (501), and the axis of drive rod (502) and the axis of sprocket (506) coincide.

7. The auxiliary device for the butt joint of the ductile cast iron pipe socket according to claim 5, characterized in that: The bottom of one of the shell (501) is fixedly connected with one of the multi-sectioned hoops (402) outside, and the other shell (501) and rotating rod (303) are fixedly connected at one end, the sprocket (506) and chain (6) are movably connected.

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