CN210355783U - Rotary joint mechanism for special fire-fighting robot - Google Patents
Rotary joint mechanism for special fire-fighting robot Download PDFInfo
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- CN210355783U CN210355783U CN201921296948.0U CN201921296948U CN210355783U CN 210355783 U CN210355783 U CN 210355783U CN 201921296948 U CN201921296948 U CN 201921296948U CN 210355783 U CN210355783 U CN 210355783U
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Abstract
The utility model relates to a special type is rotary joint mechanism for fire-fighting robot belongs to the technical field of fire-fighting equipment, has solved the junction of going out the water hose and inlet tube and has harmd great problem because of the great deformation of the water hose easily. The water outlet joint comprises a joint inner pipe, a rotating assembly and a joint outer pipe, wherein the joint outer pipe comprises a sleeve pipe sleeved outside the joint inner pipe and a branch pipe communicated with the circumferential surface of the sleeve pipe, and the branch pipe is communicated with a water outlet hose; the other end of the joint inner pipe with one closed end is detachably communicated with the water inlet pipe; the circumferential surface of the joint inner pipe is provided with a through hole; the joint outer pipe is rotatably connected with the joint inner pipe through rotating assemblies arranged at two ends of the joint inner pipe. The utility model discloses have and effectively weaken the technical effect that the water hose is impaired when taking place deformation.
Description
Technical Field
The utility model belongs to the technical field of the technique of fire-fighting equipment and specifically relates to a special type is rotary joint mechanism for fire-fighting robot.
Background
The fire-fighting robot is one of special robots and plays a role in fighting fire and rescuing more and more. Various large petrochemical enterprises, tunnels, subways and the like are continuously increased, and the hidden dangers of oil product gas and toxic gas leakage explosion, tunnel collapse, subway collapse and the like are continuously increased. The fire-fighting robot can replace fire-fighting rescue personnel to enter dangerous disaster accident sites with flammability, explosiveness, toxicity, oxygen deficiency, dense smoke and the like for data acquisition, processing and feedback.
As shown in fig. 1, the existing special fire-fighting robot for water mist cannons comprises a mist cannon 1, a water cannon 11, a bracket 2, a fixed shaft 21, a water inlet pipe 3, a water outlet hose 4 and an oil cylinder 5 for driving the mist cannon 1 to rotate. The fixed shaft 21 is fixedly connected to the support 2, the fixed shaft 21 is rotatably connected with the fog gun 1, the end of the oil cylinder 5 is fixedly connected to the support 2, and the telescopic rod of the oil cylinder 5 is fixedly connected to the shell of the fog gun 1. The water inlet pipe 3 horizontally and fixedly connected between the brackets 2 is positioned in front of the fog gun 1, the water inlet pipe 3 is communicated with the water outlet hose 4, the water outlet hose 4 arranged on one side of the fog gun 1 is communicated with the water gun 11, and the water gun 11 fixedly connected to the shell of the fog gun 1 is positioned above the water outlet hose 4. When the position of the water cannon 11 needs to be changed, the telescopic rod of the control oil cylinder 5 extends or contracts, so that the fog cannon 1 can rotate on a vertical plane, and the position of the water cannon 11 fixedly connected to the fog cannon 1 is changed, and the fire fighting requirements for different target positions are met.
The above prior art solutions have the following drawbacks: when the position of the water cannon 11 is moved, the water inlet pipe 3 is a rigid pipe, and the joint of the water outlet hose 4 and the water inlet pipe 3 is a common two-way pipe 31, so that the position change of the water outlet hose 4 is small, but the position change of the water cannon 11 is large, so that the water outlet hose 4 can have large shape change along with the position change of the water cannon 11, and the damage to the joint of the water outlet hose 4 and the water inlet pipe 3 is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a special type is rotary joint mechanism for fire-fighting robot realizes going out the water hose at the direction of connection's of inlet tube with the junction of going out the water hose gyration, has and weakens the damage of water hose when taking place the displacement.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a rotary joint mechanism for a special fire-fighting robot is arranged between a water inlet pipe and a water outlet hose and comprises a joint inner pipe, a rotating assembly and a joint outer pipe, wherein the joint outer pipe comprises a sleeve pipe sleeved outside the joint inner pipe and branch pipes connected to the peripheral surface of the sleeve pipe, and the other end of the joint inner pipe with one closed end is detachably communicated with the water inlet pipe; the branch pipe is communicated with the water outlet hose; the circumferential surface of the joint inner pipe is provided with a through hole; the sleeve pipe is rotatably connected with the joint inner pipe through rotating assemblies arranged at two ends of the joint inner pipe.
Through adopting above-mentioned technical scheme, the setting of swivel joint mechanism, connect through the rotation of connecting outer tube and joint inner tube and connect, the rotation of outlet hose in inlet tube department is connected, when the water cannon rotates under the drive of hydro-cylinder along with the fog cannon, outlet hose also takes place deformation thereupon, outlet hose is driving the axis that the bell and spigot joint pipe used the joint inner tube at swivel joint mechanism and is rotating as the center of rotation, make outlet hose have certain angle variation range in swivel joint mechanism department, thereby the protection of outlet hose has been realized high-efficiently through a swivel joint mechanism, the damage of outlet hose in the water cannon rotation process has been weakened.
The utility model discloses further set up to: the rotating assemblies are provided with two groups which are respectively arranged on two sides of the joint inner pipe, each group of rotating assemblies comprises a ball and a rolling groove, the rolling grooves are formed between the inner wall of the sleeve pipe and the outer wall of the joint inner pipe along the radial direction, and the balls are matched with the rolling grooves.
Through adopting above-mentioned technical scheme, through set up ball and rolling groove between connecting the inner tube and connecting the outer tube, and through other modes, realize connecting the rotation of inner tube and joint outer tube and connect like the draw-in groove structure, the setting of ball and rolling groove has realized the rotation between the two more high-efficiently and has connected.
The utility model discloses further set up to: the rotary joint mechanism further comprises a sealing element, the sealing element is arranged on the inner side of the rotating assembly, a groove is formed between the inner wall of the sleeve pipe and the outer wall of the joint inner pipe along the radial direction, and the sleeve pipe and the joint inner pipe are sealed through the sealing element matched with the groove.
By adopting the technical scheme, the sealing between the butt joint outer pipe and the joint inner pipe is realized, so that the sealing of the whole device is further realized.
The utility model discloses further set up to: a certain space is formed between the inner wall of the joint outer pipe and the outer wall of the joint inner pipe, and a sealed cavity communicated with the water inlet pipe and the water outlet hose is formed.
Through adopting above-mentioned technical scheme, further increased the discharge that finally gets into the water cannon through connecting inner tube, joint outer tube to the fire control efficiency of whole equipment has been increased.
The utility model discloses further set up to: the rotating assembly further comprises a bead inlet and a sealing piece, the bead inlet is formed in the peripheral surface of the sleeve pipe and penetrates through the sleeve pipe wall, the bead inlet is communicated with the rolling groove, and the sealing piece is arranged at the bead inlet and is detachably connected with the sleeve pipe.
Through adopting above-mentioned technical scheme, through such setting, when the ball damaged to some extent, can be through opening the sealing member at any time, take out the ball that damages from the rolling groove after the ball changes new ball, realized rotating assembly's high-efficient maintenance and inspection.
The utility model discloses further set up to: the bead inlet is a threaded port provided with internal threads, the sealing piece is a bolt, and the bolt is in threaded connection with the sleeve pipe.
Through adopting above-mentioned technical scheme, through sealing member and advance threaded connection between the pearl mouth, high-efficient convenient the realization is opened and is sealed advancing the pearl mouth.
The utility model discloses further set up to: the through holes are provided with a plurality of groups along the circumferential surface of the joint inner pipe.
Through adopting above-mentioned technical scheme, the through-hole that the multiunit set up has increased the discharge through connecting the outer tube to increased the discharge of water cannon, finally improved the fire control efficiency of water cannon.
The utility model discloses further set up to: the joint inner pipe is connected with the water inlet pipe through a flange.
Through adopting above-mentioned technical scheme, high-efficient convenient realization connect the inner tube with the inlet tube between can dismantle be connected, convenient connection, dismantlement and the maintenance between connecting inner tube and inlet tube.
To sum up, the utility model discloses a beneficial technological effect does:
1. the arrangement of the rotary joint mechanism effectively protects the water outlet hose and reduces the damage of the water outlet hose in the rotation process of the water cannon;
2. through being provided with certain space between the inner wall at the joint outer tube and the outer wall that connects the inner tube, further increased the discharge that finally gets into the water cannon through connecting inner tube, joint outer tube to the fire control efficiency of whole equipment has been increased.
Drawings
Fig. 1 is a schematic structural view of a fire fighting robot in the prior art.
Fig. 2 is a schematic structural view of the fire-fighting robot of the present invention.
Fig. 3 is a schematic structural view of the swivel joint mechanism.
Fig. 4 is a schematic structural view of the joint inner pipe.
Fig. 5 is a sectional view of the swivel joint mechanism.
In the figure, 1, fog gun; 11. water cannons; 2. a support; 21. a fixed shaft; 3. a water inlet pipe; 4. a water outlet hose; 5. an oil cylinder; 6. a swivel joint mechanism; 61. a joint inner tube; 611. a through hole; 62. a rotating assembly; 621. a ball bearing; 622. rolling a groove; 623. a bead inlet; 624. a closure member; 6241. a bolt; 63. a joint outer tube; 631. sleeving a pipe; 632. a branch pipe; 64. a seal member; 641. a groove; 642. a sealing strip; 7. sealing the cavity; 8. and (4) a flange.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a rotary joint mechanism for a special fire-fighting robot is shown in figure 2, wherein a rotary joint mechanism 6 is arranged between a water inlet pipe 3 and a water outlet hose 4. As shown in fig. 3 and 4, the swivel joint mechanism 6 includes a joint inner tube 61, a rotating assembly 62 and a joint outer tube 63, the joint outer tube 63 includes a sleeve 631 sleeved outside the joint inner tube 61 and a branch tube 632 connected to the circumferential surface of the sleeve 631, and the branch tube 632 is communicated with the water outlet hose 4; the other end of the joint inner pipe 61 with one closed end is detachably communicated with the water inlet pipe 3; the circumferential surface of the joint inner pipe 61 is provided with a through hole 611; the joint outer tube 63 is rotatably connected to the joint inner tube 61 by rotating assemblies 62 provided at both ends of the joint inner tube 61.
Further, the swivel joint mechanism 6 comprises a joint inner pipe 61, a rotating assembly 62 and a joint outer pipe 63, the joint outer pipe 63 comprises a sleeve pipe 631 sleeved outside the joint inner pipe 61 and a branch pipe 632 welded on the peripheral surface of the sleeve pipe 631, the branch pipe 632 is respectively communicated with the sleeve pipe 631 and the water outlet hose 4, and the axes of the branch pipe 632 and the sleeve pipe 631 are perpendicular to each other; the other end of the joint inner pipe 61 with one closed end is detachably communicated with the water inlet pipe 3 through a flange 8; the circumferential surface of the joint inner pipe 61 is provided with a through hole 611; the joint outer pipe 63 is rotatably connected with the joint inner pipe 61 through rotating assemblies 62 arranged at two ends of the joint inner pipe 61, the sleeve pipe 631 rotates on the joint inner pipe 61 by taking the axis of the sleeve pipe 631 as a rotating shaft, and the branch pipe 632 moves circumferentially along the radial direction of the sleeve pipe 631.
When the water cannon 11 rotates under the driving of the oil cylinder 5 along with the fog cannon 1, the water outlet hose 4 deforms, the water outlet hose 4 at the rotary joint mechanism 6 drives the sleeve pipe 631 to rotate by taking the axis of the joint inner pipe 61 as a rotation center, so that the water outlet hose 4 has a certain angle change and position change range at the rotary joint mechanism 6, the protection of the water outlet hose 4 is efficiently realized through one rotary joint mechanism 6, and the damage of the water outlet hose 4 in the rotation process of the water cannon 11 is weakened.
Further, the rotating assemblies 62 are provided with two sets, which are respectively arranged on two sides of the joint inner tube 61, each set of rotating assembly 62 comprises a ball 621 and a rolling groove 622, the rolling groove 622 is radially arranged between the inner wall of the sleeve 631 and the outer wall of the joint inner tube 61, and the ball 621 is matched with the rolling groove 622.
And the rotary connection between the joint inner tube 61 and the joint outer tube 63 is realized by other means, such as a clamping groove structure, and the rotary connection between the two is realized more efficiently by the design of the balls 621 and the rolling grooves 622. However, since the swivel joint mechanism 6 is used for connecting a water pipe, the design of the balls 621 has a certain sealing problem.
Thus further, the swivel joint mechanism 6 further comprises a seal 64, the seal 64 being arranged inside the rotating assembly 62; specifically, a groove 641 is radially formed between the inner wall of the sleeve 631 and the outer wall of the joint inner tube 61, and the sealing member 64 seals the sleeve 631 and the joint inner tube 61 by matching with the groove 641; preferably, the seal 64 is a seal 642. The above arrangement achieves sealing between the joint outer tube 63 and the joint inner tube 61, thereby further achieving sealing of the entire apparatus.
Further, as shown in fig. 4 and 5, the rotating assembly 62 further includes a ball inlet 623 (refer to fig. 3) and a sealing member 624, the ball inlet 623 is opened on the peripheral surface of the sleeve 631, penetrates through the wall of the sleeve 631, communicates with the ball groove 622, and is used for loading the balls 621 into the ball groove 622 from the ball inlet 623, and the sealing member 624 arranged at the ball inlet 623 is detachably connected with the sleeve 631 through the ball inlet 623, and the ball inlet 623 is sealed by the sealing member 624 to prevent the balls 621 from rolling out.
When the ball 621 in the rolling groove 622 is damaged, the sealing piece 624 can be opened at any time, and the damaged ball 621 is taken out of the rolling groove 622 and then replaced by a new ball 621, so that efficient maintenance and inspection of the rotating assembly 62 are realized.
Preferably, as shown in fig. 5, the bead inlet 623 is a threaded port with an internal thread, the sealing member 624 is a bolt 6241, and the bolt 6241 is in threaded connection with the sleeve 631. Through the threaded connection between the sealing piece 624 and the bead inlet 623, the opening and the closing of the bead inlet 623 are efficiently and conveniently realized.
Because the rotary joint mechanism 6 is used for connecting water pipes, water finally enters the water cannon 11 after passing through the water inlet pipe 3, the joint inner pipe 61, the sleeve pipe 631, the branch pipe 632 and the water outlet hose 4 in sequence, and is sprayed to a corresponding target position to be extinguished through the water cannon 11, so that higher water yield is required. Therefore, further, there are plural sets of the through holes 611 opened in the joint inner pipe 61, and preferably, there are four through holes 611 opened in the joint inner pipe 61, and the four through holes 611 are opened in the radial direction of the joint inner pipe 61. Such arrangement increases the flow rate of water from the joint inner pipe 61 to the socket 631, thereby improving the fire fighting efficiency of the entire apparatus.
Further, as shown in fig. 2 and 5, a space is formed between the inner wall of the socket 631 and the outer wall of the joint inner tube 61 to form a sealed cavity 7 (refer to fig. 5) communicating with only the inlet tube 3 and the outlet hose 4. When water enters the joint inner pipe 61 from the water inlet pipe 3, the water enters a cavity formed between the inner wall of the sleeve pipe 631 and the outer wall of the joint inner pipe 61 through the through hole 611 formed in the joint inner pipe 61, and then sequentially enters the branch pipe 632 and the water outlet hose 4 and finally enters the water cannon 11. The arrangement of the cavity further increases the water flow finally entering the water monitor 11 through the joint inner pipe 61 and the sleeve 631, thereby increasing the fire fighting efficiency of the whole equipment.
Further, as shown in fig. 2 and 3, the joint inner pipe 61 (refer to fig. 4) is connected with the water inlet pipe 3 through the flange 8, so that the detachable connection between the joint inner pipe 61 and the water inlet pipe 3 is efficiently and conveniently realized, and the connection, detachment and maintenance between the joint inner pipe 61 and the water inlet pipe 3 are facilitated.
The implementation process of the embodiment is as follows: after all pipelines of the equipment are connected, a water inlet valve is opened, and water enters a rotary joint mechanism 6, a water outlet hose 4 and a water cannon 11 from a water inlet pipe 3 in sequence; the oil cylinder 5 is started, the fog gun 1 starts to move along with the expansion of the telescopic rod of the oil cylinder 5, and the fog gun 1 makes reciprocating arc motion by taking a connecting shaft between the fog gun 1 and the support 2 as a rotating shaft. Therefore, the water cannon 11 fixedly connected to the fog cannon 1 also moves along with the arc-shaped motion of the fog cannon 1; the water cannon 11 drives the water outlet hose 4, so that the water outlet hose 4 has certain deformation, the water outlet hose 4 drives the rotary joint mechanism 6 to rotate, the rotary joint mechanism 6 uses the axis of the joint inner pipe 61 as a rotation axis to do reciprocating arc surface motion at the moment, when necessary, the rotary joint mechanism 6 needs to be manually rotated, the rotary joint mechanism 6 is rotated to a proper angle, the bending of the water outlet hose 4 is more smooth, and the damage of the deformation to the water outlet hose 4 is weakened.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A rotary joint mechanism for a special fire-fighting robot is characterized by comprising a joint inner pipe (61), a rotating assembly (62) and a joint outer pipe (63), wherein the joint outer pipe (63) comprises a sleeve pipe (631) sleeved outside the joint inner pipe (61) and a branch pipe (632) connected to the peripheral surface of the sleeve pipe (631), and the other end of the joint inner pipe (61) with one closed end is detachably communicated with the water inlet pipe (3); the branch pipe (632) is communicated with the water outlet hose (4); the circumferential surface of the joint inner pipe (61) is provided with a through hole (611); the sleeve pipe (631) is rotatably connected with the joint inner pipe (61) through rotating assemblies (62) arranged at two ends of the joint inner pipe (61).
2. The swivel joint mechanism for a special fire-fighting robot according to claim 1, characterized in that: the rotating assembly (62) is provided with two sets ofly, set up respectively in the both sides of connecting inner tube (61), every group rotating assembly (62) include ball (621), rolling groove (622) have been seted up along radial between the inner wall of bell and spigot joint (631) and the outer wall of connecting inner tube (61), ball (621) with rolling groove (622) match.
3. The swivel joint mechanism for a special fire-fighting robot according to claim 1, characterized in that: swivel joint mechanism (6) still includes sealing member (64), sealing member (64) set up in the inboard of runner assembly (62), set up fluted (641) along radial between the inner wall of cover pipe (631) and the outer wall of joint inner tube (61), sealing member (64) through with the cooperation of recess (641) is sealed with cover pipe (631) and joint inner tube (61).
4. The swivel joint mechanism for a special fire-fighting robot according to claim 1, characterized in that: a certain space is arranged between the inner wall of the sleeve pipe (631) and the outer wall of the joint inner pipe (61) to form a sealed cavity (7) which is communicated with the water inlet pipe (3) and the water outlet hose (4).
5. The swivel joint mechanism for a special fire-fighting robot according to claim 2, characterized in that: the rotating assembly (62) further comprises a ball inlet (623) and a sealing piece (624), the ball inlet (623) is arranged on the circumferential surface of the sleeve pipe (631) and penetrates through the wall of the sleeve pipe (631), the ball groove (622) is communicated, and the sealing piece (624) is detachably connected with the sleeve pipe (631) and is arranged at the ball inlet (623).
6. The swivel joint mechanism for a special fire-fighting robot according to claim 5, wherein: the bead inlet (623) is a threaded port provided with an internal thread, the sealing piece (624) is a bolt (6241), and the bolt (6241) is in threaded connection with the sleeve pipe (631).
7. The swivel joint mechanism for a special fire-fighting robot according to claim 1, characterized in that: the through holes (611) are provided with a plurality of groups along the circumferential surface of the joint inner pipe (61).
8. The swivel joint mechanism for a special fire-fighting robot according to claim 1, characterized in that: the joint inner pipe (61) is connected with the water inlet pipe (3) through a flange (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921296948.0U CN210355783U (en) | 2019-08-09 | 2019-08-09 | Rotary joint mechanism for special fire-fighting robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921296948.0U CN210355783U (en) | 2019-08-09 | 2019-08-09 | Rotary joint mechanism for special fire-fighting robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210355783U true CN210355783U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921296948.0U Active CN210355783U (en) | 2019-08-09 | 2019-08-09 | Rotary joint mechanism for special fire-fighting robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210355783U (en) |
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2019
- 2019-08-09 CN CN201921296948.0U patent/CN210355783U/en active Active
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