CN210637650U

CN210637650U - Circulating water expansion joint

Info

Publication number: CN210637650U
Application number: CN201920551420.7U
Authority: CN
Inventors: 夏洪刚
Original assignee: Datang Yuncheng Power Generation Co Ltd
Current assignee: Datang Yuncheng Power Generation Co Ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-05-29
Anticipated expiration: 2029-04-22

Abstract

The utility model discloses a circulating water expansion joint, which comprises an inner pipe, wherein the outer surface of the inner pipe is sleeved with an outer pipe, the inner side wall of the outer pipe is provided with a sliding chute, the inner side wall of the sliding chute is provided with a side chute, the inside of the sliding chute is communicated with the outer pipe, the inner part of the sliding chute is connected with a sliding block in a sliding way, the lower surface of the sliding block is fixedly connected with the inner tube, the side wall of the sliding block is fixedly connected with a convex block which is connected inside the side groove in a sliding way, one side of the sliding block is fixedly connected with a connecting block which penetrates through the sliding groove, the upper end of the connecting block is fixedly connected with an installation block, one end of the installation block is fixedly connected with a connecting rope A, the outer tube is characterized in that a return force box and a rotating disc are fixedly connected to the side wall of one side of the outer tube, a transmission shaft is inserted in the middle of the inner portion of the rotating disc, and the lower end of the transmission shaft is rotatably connected with a bearing arranged in the outer tube. The utility model discloses the regulation of length is more convenient, simple to use, the stable in structure of device, reasonable in design.

Description

Circulating water expansion joint

Technical Field

The utility model relates to an expansion joint technical field especially relates to a circulating water expansion joint.

Background

The telescopic joint can also be called as a pipeline telescopic joint and a compensator, and the telescopic joint comprises: the expansion joint mainly comprises a bent pipe type expansion joint, a corrugated pipe expansion joint and a sleeve pipe expansion joint, wherein the bent pipe type expansion joint bends a pipe into a U shape or other shapes, and the expansion joint compensates by utilizing the elastic deformation capability of the shapes.

The existing circulating water expansion joint is inconvenient in length adjustment, unstable in structure, unreasonable in design and inconvenient in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a circulating water expansion joint.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a circulating water expansion joint comprises an inner pipe, wherein an outer pipe is sleeved on the outer surface of the inner pipe, a sliding groove is formed in the inner side wall of the outer pipe, a side groove is formed in the inner side wall of the sliding groove, the inside of the sliding groove is communicated with the outer pipe, a sliding block is connected inside the sliding groove in a sliding mode, the lower surface of the sliding block is fixedly connected with the inner pipe, a protruding block is fixedly connected to the side wall of the sliding block and is connected inside the side groove in a sliding mode, a connecting block penetrating through the sliding groove is fixedly connected to one side of the sliding block, an installing block is fixedly connected to the upper end of the connecting block, a connecting rope A is fixedly connected to one end of the installing block, a force return box and a rotating disc are fixedly connected to one side wall of the outer pipe, the rotating disc is arranged on one side of the force return box, the upper end of transmission shaft is provided with rotatory handle, threaded hole is seted up to one side lateral wall of outer tube, the equal screw thread in threaded hole and rolling disc rotates and is connected with fixing bolt.

Preferably, the inside intermediate position of power return case rotates and is connected with the axis of rotation, the surface winding of axis of rotation has the steel ruler, the one end of connecting rope A is provided with connects rope B, the one end of connecting rope B sets up the surface at the steel ruler, the one end of connecting rope A and connecting rope B respectively with rolling disc fixed connection.

Preferably, the inner side wall of the outer tube is fixedly connected with a stop block and a limit block, the stop block is arranged on one side of the limit block, and the limit block is arranged at two ends of the sliding groove.

Preferably, a plurality of connecting slotted holes are uniformly formed in the surface of the outer pipe, a reinforcing bolt rod is rotatably connected to the inside of the mounting block through threads, and a plurality of connecting slotted holes in the lower end of the reinforcing bolt rod are rotatably connected.

Preferably, the mounting blocks are symmetrically arranged about the center line of the inner pipe, the side wall of one side of the outer pipe is fixedly connected with a fixing block, the fixing block and the mounting blocks are positioned on the same horizontal plane, a hydraulic rod is fixedly connected between the fixing block and the mounting blocks, and the surface of the hydraulic rod is sleeved with a connecting spring.

Preferably, a sealing ring is arranged between the inner pipe and the outer pipe, and threaded heads are fixedly connected to one ends of the inner pipe and the outer pipe.

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

1. the utility model discloses in, through rotating rotatory handle, drive the rolling disc and rotate, the rolling disc will be connected rope A and connect rope B rolling, and the one end of connecting rope A drives the installation piece and slides, and the lower extreme of installation piece passes through the connecting block and drives the slider and slide in the inside of spout, and the hydraulic stem shrink between installation piece and the fixed block, slider drive inner tube shift out the inside of outer tube to can adjust length, it is more convenient to adjust, simple to use.

2. The utility model discloses in, consolidate through fixing bolt and reinforcement bolt pole, the in-process of regulation, the lug slides in the inside of side channel, guarantees gliding stability, and the effective shock attenuation of coupling spring connects rope B and compresses tightly the inside steel ruler of return force case, and the steel ruler has certain elasticity return force, guarantees the stable in structure of device, reasonable in design.

Drawings

Fig. 1 is a schematic structural view of a circulating water expansion joint provided by the present invention;

fig. 2 is an enlarged view of a position a of a circulating water expansion joint provided by the utility model;

fig. 3 is a partial perspective view of a circulating water expansion joint provided by the present invention;

fig. 4 is a top view of the rotary disk of the circulating water expansion joint provided by the present invention.

In the figure: 1 inner tube, 2 outer tubes, 3 dogs, 4 limiting blocks, 5 mounting blocks, 6 sliders, 7 chutes, 8 connecting ropes A and 9 connecting ropes B, 10 return boxes, 11 rotating handles, 12 bearings, 13 transmission shafts, 14 rotating discs, 15 threaded holes, 16 fixing bolts, 17 side grooves, 18 connecting blocks and 19 lugs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a circulating water telescopic joint, comprising an inner tube 1, an outer tube 2 is sleeved on the outer surface of the inner tube 1, a sliding groove 7 is formed on the inner side wall of the outer tube 2, a side groove 17 is formed on the inner side wall of the sliding groove 7, the inside of the sliding groove 7 is communicated with the outer tube 2, a sliding block 6 is connected inside the sliding groove 7 in a sliding manner, the lower surface of the sliding block 6 is fixedly connected with the inner tube 1, a convex block 19 is fixedly connected with the side wall of the sliding block 6, the convex block 19 is connected inside the side groove 17 in a sliding manner, a connecting block 18 penetrating through the sliding groove 7 is fixedly connected with one side of the sliding block 6, an installation block 5 is fixedly connected with the upper end of the connecting block 18, a connecting rope A8 is fixedly connected with one end of the installation block 5, a return force box 10 and a rotating disc 14 are fixedly connected with one side wall of the outer tube 2, the, the upper end of transmission shaft 13 is provided with rotatory handle 11, and threaded hole 15 has been seted up to one side lateral wall of outer tube 2, and the equal screw thread of the inside of threaded hole 15 and rolling disc 14 is rotated and is connected with fixing bolt 16.

The middle position in the return box 10 is rotatably connected with a rotating shaft, a steel ruler is wound on the surface of the rotating shaft, one end of a connecting rope B9 is provided with a connecting rope B9, one end of a connecting rope B9 is arranged on the surface of the steel ruler, one ends of a connecting rope A8 and a connecting rope B9 are respectively and fixedly connected with a rotating disc 14, the inner side wall of an outer pipe 2 is fixedly connected with a stop block 3 and a stop block 4, the stop block 3 is arranged on one side of the stop block 4, the stop block 4 is arranged on two ends of a sliding groove 7, a plurality of connecting slotted holes are uniformly formed in the surface of the outer pipe 2, a reinforcing bolt rod is rotatably connected in the mounting block 5 through threads, a plurality of connecting slotted holes are rotatably connected at the lower end of the reinforcing bolt rod, two mounting blocks 5 are symmetrically arranged about the central line of an inner pipe 1, a fixing block is fixedly connected on the side wall of, the surface of hydraulic stem has cup jointed coupling spring, is provided with the sealing washer between inner tube 1 and the outer tube 2, and the equal fixedly connected with thread head of one end of inner tube 1 and outer tube 2.

The working principle is as follows: when the device is used, threaded heads are fixedly connected to one ends of the inner pipe 1 and the outer pipe 2, the device is installed through the threaded heads, the rotating handle 11 is rotated to drive the rotating disc 14 to rotate, the rotating disc 14 winds the connecting rope A8 and the connecting rope B9, one end of the connecting rope A8 drives the installation block 5 to slide, the lower end of the installation block 5 drives the sliding block 6 to slide in the sliding groove 7 through the connecting block 18, a hydraulic rod between the installation block 5 and the fixing block contracts, the sliding block 6 drives the inner pipe 1 to move out of the inner part of the outer pipe 2, so that the length can be adjusted, the length is more convenient to adjust, the device is simple to use, then the device is reinforced through the fixing bolt 16 and the reinforcing bolt rod, in the adjusting process, the convex block 19 slides in the side groove 17 to ensure the stability of sliding, the connecting spring effectively absorbs shock, the connecting rope B9 compresses a steel ruler in the return box 10, and, the structure stability of the device is guaranteed, and the design is reasonable.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The circulating water expansion joint comprises an inner pipe (1) and is characterized in that an outer pipe (2) is sleeved on the outer surface of the inner pipe (1), a sliding groove (7) is formed in the inner side wall of the outer pipe (2), a side groove (17) is formed in the inner side wall of the sliding groove (7), the inner part of the sliding groove (7) is communicated with the outer pipe (2), a sliding block (6) is connected to the inner part of the sliding groove (7) in a sliding mode, the lower surface of the sliding block (6) is fixedly connected with the inner pipe (1), a convex block (19) is fixedly connected to the side wall of the sliding block (6), the convex block (19) is connected to the inner part of the side groove (17) in a sliding mode, a connecting block (18) penetrating through the sliding groove (7) is fixedly connected to one side of the sliding block (6), a mounting block (5) is fixedly connected to the upper end, the utility model discloses a hydraulic pressure swing joint device, including outer tube (2), one side lateral wall fixedly connected with return-force case (10) and rolling disc (14) of outer tube (2), rolling disc (14) set up the one side at return-force case (10), the inside intermediate position of rolling disc (14) is pegged graft and is had transmission shaft (13), the lower extreme of transmission shaft (13) rotates with bearing (12) of outer tube (2) inside setting to be connected, the upper end of transmission shaft (13) is provided with rotatory handle (11), threaded hole (15) have been seted up to one side lateral wall of outer tube (2), the equal screw thread rotation in inside of threaded hole (15) and rolling disc (14) is connected with fixing bolt (16).

2. A circulating water telescopic joint as claimed in claim 1, wherein a rotary shaft is rotatably connected to an intermediate position inside the return box (10), a steel ruler is wound on the surface of the rotary shaft, a connection rope B (9) is arranged at one end of the connection rope a (8), one end of the connection rope B (9) is arranged on the surface of the steel ruler, and one ends of the connection rope a (8) and the connection rope B (9) are respectively and fixedly connected with the rotary disc (14).

3. A circulating water telescopic joint according to claim 1, wherein the inner side wall of the outer pipe (2) is fixedly connected with a stopper (3) and a stopper (4), the stopper (3) is arranged at one side of the stopper (4), and the stopper (4) is arranged at both ends of the sliding groove (7).

4. The circulating water telescopic joint as claimed in claim 1, wherein a plurality of connecting slots are uniformly formed in the surface of the outer pipe (2), a reinforcing bolt rod is rotatably connected to the inside of the mounting block (5) through threads, and a plurality of connecting slots are rotatably connected to the lower end of the reinforcing bolt rod.

5. The circulating water telescopic joint as claimed in claim 1, wherein two mounting blocks (5) are symmetrically arranged about the center line of the inner pipe (1), a fixing block is fixedly connected to the side wall of one side of the outer pipe (2), the fixing block and the mounting blocks (5) are located on the same horizontal plane, a hydraulic rod is fixedly connected between the fixing block and the mounting blocks (5), and a connecting spring is sleeved on the surface of the hydraulic rod.

6. A circulating water telescopic joint according to claim 1, wherein a sealing ring is arranged between the inner pipe (1) and the outer pipe (2), and one ends of the inner pipe (1) and the outer pipe (2) are fixedly connected with threaded heads.