CN213871594U

CN213871594U - Concrete pump truck hose connection prevents leaking device

Info

Publication number: CN213871594U
Application number: CN202022683195.8U
Authority: CN
Inventors: 刘豪
Original assignee: Hebei Xiongan Zhengxiong Environmental Protection Technology Co ltd
Current assignee: Hebei Xiongan Zhengxiong Environmental Protection Technology Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-08-03
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a concrete pump truck hose connection department prevents leaking device, including hose body and conveyer pipe body, the mounting groove has been seted up to the inside of conveyer pipe body, the inside of mounting groove is provided with inflatable seal circle, inflatable seal circle's external fixed surface is connected with the intake pipe, the constant head tank has been seted up to the inside of conveyer pipe body and the one side that is located the mounting groove, the tip fixedly connected with holding ring of hose body, the first joint of external fixed surface of hose body is connected with, the inside wall fixedly connected with locating piece of first joint. The utility model discloses, through setting up the mounting groove to the inside inflatable seal circle that is provided with of mounting groove aerifys toward inflatable seal circle through the intake pipe, thereby makes inflatable seal circle inflation and fills up the clearance of junction, simple structure, and convenient operation has improved the leakproofness of hose connection department, prevents that the concrete from taking place to leak.

Description

Concrete pump truck hose connection prevents leaking device

Technical Field

The utility model relates to a mobile concrete pump technology field especially relates to a mobile concrete pump hose connection department prevents leaking device.

Background

Concrete pump trucks are machines that utilize pressure to continuously transport concrete along a pipeline. Consists of a pump body and a delivery pipe. The structure is divided into a piston type, an extrusion type and a water pressure diaphragm type. The pump body is arranged on an automobile chassis and is provided with a telescopic or zigzag distributing rod to form the pump truck. The concrete pump truck is formed by modifying a truck chassis, and is characterized in that a motion and power transmission device, a pumping and stirring device, a distributing device and other auxiliary devices are arranged on the chassis. The power of the concrete pump truck is transmitted to a hydraulic pump set or a rear axle through a power transfer case, and the hydraulic pump pushes a piston to drive a concrete pump to work. Then the concrete is conveyed to a certain height and distance by using a distributing rod and a conveying pipe on the pump truck.

Need connect through the hose between the current mobile concrete pump conveyer pipe, but the leakproofness is not enough when the hose is connected, probably causes the concrete to leak, and the hose all carries out fixed connection through fastening bolt moreover, and this kind of connection is good although the fastening, but the installation is inconvenient, when the hose needs to be changed, dismantles more complicacy, needs extravagant many times, seriously influences work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a concrete pump truck hose connection department prevents leaking the device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a leakage-proof device for a hose joint of a concrete pump truck comprises a hose body and a conveying pipe body, wherein an installation groove is formed in the conveying pipe body, an inflatable sealing ring is arranged in the installation groove, and an air inlet pipe is fixedly connected to the outer surface of the inflatable sealing ring;

a positioning groove is formed in the conveying pipe body and located on one side of the mounting groove, a positioning ring is fixedly connected to the end portion of the hose body, a first connector is fixedly connected to the outer surface of the hose body, a positioning block is fixedly connected to the inner side wall of the first connector, a second connector is fixedly connected to the end portion of the conveying pipe body, an insertion hole is formed in the outer surface of the second connector, and a positioning hole is formed in the outer surface of the second connector and located on one side of the insertion hole;

the inner side wall of the first joint is movably connected with an extrusion plate on one side of the positioning block, an extrusion spring is fixedly connected to the side surface of the extrusion plate, and one end, far away from the extrusion plate, of the extrusion spring is fixedly connected with the inner bottom of the first joint.

As a further description of the above technical solution:

one end of the air inlet pipe, which is far away from the inflatable sealing ring, extends to the outer side of the conveying pipe body and is fixedly connected with a valve.

As a further description of the above technical solution:

the positioning ring and the positioning groove are both annular, and the positioning ring is matched with the positioning groove.

As a further description of the above technical solution:

the positioning block is matched with the jack and matched with the positioning hole.

As a further description of the above technical solution:

the inner diameter of the extrusion plate is larger than the outer diameter of the hose body, and the inner diameter of the first joint is larger than the outer diameter of the extrusion plate.

As a further description of the above technical solution:

the inside diameter of first joint is greater than the outside diameter of second joint, the outside diameter of conveyer pipe body is greater than the outside diameter of hose body.

As a further description of the above technical solution:

the mounting groove is matched with the inflatable sealing ring, and the positioning hole and the jack are arranged at 90 degrees.

As a further description of the above technical solution:

the first connector is clamped with the second connector through the jack, the positioning hole and the positioning block.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this concrete pump truck hose connection department prevents leaking the device, through setting up the mounting groove to the inside inflatable seal circle that is provided with of mounting groove aerifys toward inflatable seal circle through the intake pipe, thereby makes inflatable seal circle inflation and fills up the clearance of junction, simple structure, and convenient operation has improved the leakproofness of hose connection department, prevents that the concrete from taking place to leak.

2. Compared with the prior art, this concrete pump truck hose connection department prevents leaking the device, through inserting the holding ring in the constant head tank, the locating piece passes through the jack simultaneously and inserts to rotatory first joint makes in the locating piece card goes into the constant head tank, thereby is in the same place first joint and second joint are fixed, and structural design is reasonable, and convenient operation, the installation and the dismantlement of the hose of being convenient for reduce the time that the hose was changed, thereby improved work efficiency.

3. Compared with the prior art, the anti-leakage device at the hose connection part of the concrete pump truck controls the extrusion plate to compress the second joint by utilizing the elastic force of the extrusion spring, so that the first joint and the second joint are kept relatively fastened, and the positioning block is prevented from falling off from the positioning hole.

Drawings

Fig. 1 is a schematic view of the external overall structure of a leakage-proof device at the hose connection part of a concrete pump truck provided by the utility model;

fig. 2 is a schematic view of the internal structure of the leakage-proof device at the hose connection position of the concrete pump truck of the present invention;

fig. 3 is a schematic structural view of a in fig. 2 according to the present invention;

fig. 4 is a schematic view of a first joint structure of a leakage preventing device at the hose joint of the concrete pump truck of the present invention;

fig. 5 is a schematic view of a second joint structure of a leakage preventing device at the hose joint of the concrete pump truck of the present invention;

fig. 6 is a schematic structural diagram of B in fig. 1 according to the present invention.

Illustration of the drawings:

1. a hose body; 2. a delivery pipe body; 3. mounting grooves; 4. an inflatable seal ring; 5. an air inlet pipe; 6. a first joint; 7. a positioning ring; 8. positioning a groove; 9. positioning blocks; 10. a second joint; 11. a jack; 12. positioning holes; 13. a pressing plate; 14. a compression spring; 15. and (4) a valve.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the utility model provides a pair of concrete pump truck hose junction prevents leaking device: the concrete conveying pipe comprises a hose body 1 and a conveying pipe body 2, wherein a mounting groove 3 is formed in the conveying pipe body 2, the mounting groove 3 is matched with an inflatable sealing ring 4, the inflatable sealing ring 4 is arranged in the mounting groove 3, an air inlet pipe 5 is fixedly connected to the outer surface of the inflatable sealing ring 4, and air is inflated into the inflatable sealing ring 4 through the air inlet pipe 5, so that the inflatable sealing ring 4 is expanded, a gap at the joint of the hose body 1 and the conveying pipe body 2 is filled, the sealing performance is improved, and concrete is prevented from leaking; a positioning groove 8 is arranged in the conveying pipe body 2 and on one side of the mounting groove 3, a positioning ring 7 is fixedly connected to the end part of the hose body 1, the positioning ring 7 and the positioning groove 8 are both annular, the positioning ring 7 is matched with the positioning groove 8, the hose body 1 and the conveying channel in the conveying pipe body 2 are always kept at the same height when the hose body is mounted through the positioning ring 7 and the positioning groove 8, a first connector 6 is fixedly connected to the outer surface of the hose body 1, a positioning block 9 is fixedly connected to the inner side wall of the first connector 6, the positioning block 9 is matched with a jack 11, the positioning block 9 is matched with a positioning hole 12, a second connector 10 is fixedly connected to the end part of the conveying pipe body 2, a jack 11 is arranged on the outer surface of the second connector 10, a positioning hole 12 is arranged on one side of the jack 11 on the outer surface of the second connector 10, and the positioning hole 12 and the jack 11 are arranged at 90 degrees, inserting the positioning block 9 through the insertion hole 11, and rotating the first connector 6 to clamp the positioning block 9 into the positioning hole 12, so that the first connector 6 and the second connector 10 are fixed together; the inner side wall of the first connector 6 and one side of the positioning block 9 are movably connected with an extrusion plate 13, the side surface of the extrusion plate 13 is fixedly connected with an extrusion spring 14, one end, far away from the extrusion plate 13, of the extrusion spring 14 is fixedly connected with the inner bottom of the first connector 6, the extrusion plate 13 is controlled by the extrusion spring 14 to tightly press the second connector 10, the first connector 6 and the second connector 10 are kept relatively fastened, and the positioning block 9 is prevented from falling from the positioning hole 12.

One end that inflatable seal 4 was kept away from to intake pipe 5 extends to the outside of conveyer pipe body 2 and fixedly connected with valve 15, the inboard diameter of stripper plate 13 is greater than the outside diameter of hose body 1, the inboard diameter of first joint 6 is greater than the outside diameter of stripper plate 13, the inboard diameter of first joint 6 is greater than the outside diameter of second joint 10, the outside diameter of conveyer pipe body 2 is greater than the outside diameter of hose body 1, first joint 6 passes through jack 11, locating hole 12, locating piece 9 and second joint 10 joint.

The working principle is as follows: when in use, the positioning ring 7 is inserted into the positioning groove 8, the positioning block 9 is inserted through the insertion hole 11, the first joint 6 is rotated, the positioning block 9 is clamped into the positioning hole 12, the first joint 6 and the second joint 10 are fixed together, the extrusion plate 13 is controlled by the extrusion spring 14 to press the second joint 10 tightly, the first joint 6 and the second joint 10 are kept relatively fastened to prevent the positioning block 9 from falling off from the positioning hole 12, then the air is inflated to the air-inflated sealing ring 4 through the air inlet pipe 5, so that the air-inflated sealing ring 4 is expanded and filled in a gap at a joint to prevent concrete from leaking, when in disassembly, air in the air-inflated sealing ring 4 is exhausted through the valve 15, then the positioning block 9 is pulled out from the positioning hole 12 by extruding the first joint 6, and the first joint 6 is rotated reversely to rotate the positioning block 9 to the insertion hole 11, and the positioning block 9 is pulled out of the insertion hole 11, so that the first connector 6 is separated from the second connector 10, and the positioning ring 7 is pulled out of the positioning groove 8, so that the hose body 1 is separated from the conveying pipe body 2.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in other embodiments without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a concrete pump truck hose connection department prevents leaking device, includes hose body (1) and conveyer pipe body (2), its characterized in that: an installation groove (3) is formed in the conveying pipe body (2), an inflatable sealing ring (4) is arranged in the installation groove (3), and an air inlet pipe (5) is fixedly connected to the outer surface of the inflatable sealing ring (4);

a positioning groove (8) is formed in one side, located in the mounting groove (3), of the interior of the conveying pipe body (2), a positioning ring (7) is fixedly connected to the end portion of the hose body (1), a first connector (6) is fixedly connected to the outer surface of the hose body (1), a positioning block (9) is fixedly connected to the inner side wall of the first connector (6), a second connector (10) is fixedly connected to the end portion of the conveying pipe body (2), a jack (11) is formed in the outer surface of the second connector (10), and a positioning hole (12) is formed in the outer surface of the second connector (10) and located on one side of the jack (11);

the inner side wall of the first joint (6) is movably connected with an extrusion plate (13) on one side of the positioning block (9), an extrusion spring (14) is fixedly connected to the side surface of the extrusion plate (13), and one end, far away from the extrusion plate (13), of the extrusion spring (14) is fixedly connected with the inner bottom of the first joint (6).

2. A leakage preventing device at a hose connection of a concrete pump truck according to claim 1, characterized in that: one end of the air inlet pipe (5) far away from the inflatable sealing ring (4) extends to the outer side of the conveying pipe body (2) and is fixedly connected with a valve (15).

3. A leakage preventing device at a hose connection of a concrete pump truck according to claim 1, characterized in that: the positioning ring (7) and the positioning groove (8) are both annular, and the positioning ring (7) is matched with the positioning groove (8).

4. A leakage preventing device at a hose connection of a concrete pump truck according to claim 1, characterized in that: the positioning block (9) is matched with the insertion hole (11), and the positioning block (9) is matched with the positioning hole (12).

5. A leakage preventing device at a hose connection of a concrete pump truck according to claim 1, characterized in that: the inner diameter of the extrusion plate (13) is larger than the outer diameter of the hose body (1), and the inner diameter of the first joint (6) is larger than the outer diameter of the extrusion plate (13).

6. A leakage preventing device at a hose connection of a concrete pump truck according to claim 1, characterized in that: the inner diameter of the first joint (6) is larger than the outer diameter of the second joint (10), and the outer diameter of the conveying pipe body (2) is larger than the outer diameter of the hose body (1).

7. A leakage preventing device at a hose connection of a concrete pump truck according to claim 1, characterized in that: the mounting groove (3) is matched with the inflatable sealing ring (4), and the positioning hole (12) and the insertion hole (11) are arranged at 90 degrees.

8. A leakage preventing device at a hose connection of a concrete pump truck according to claim 1, characterized in that: the first connector (6) is clamped with the second connector (10) through the jack (11), the positioning hole (12) and the positioning block (9).