JP4601568B2 - Tube fixing device and tube fixing device - Google Patents

Description

  The present invention relates to a tank vehicle such as a sludge vehicle equipped with a storage tank capable of storing a collection object containing sludge, for example, and a pipe for fixing a suction pipe for sucking the collection object to a sludge treatment device. The present invention relates to a fixture and a tube fixing device.

  An example of a conventional suction pipe fixture is shown in FIGS. 8 and 9, and the suction pipe fixture 1 is provided in the sludge wheel 2 as shown in FIG. This sludge truck 2 is equipped with a sludge treatment device 3, and this sludge treatment device 3 sucks, for example, sludge and earth and sand collected in manholes and sewer pipes with a suction hose (not shown) and a suction pipe 4. Thus, the sucked sludge and the like can be stored in the storage tank 5. And the sludge etc. which are stored in the storage tank 5 are conveyed to a predetermined place and discharged.

  As shown in FIG. 8, the suction tube 4 used in this way is attached to the support columns 16 and 17 whose left rear end is disposed on the side surface of the storage tank 5, for example, by the suction tube fixture 1. The right end of the suction tube 4 is fixed to the side surface of the suction engine cover 7 by the tip holder 6.

  FIG. 9A is a longitudinal sectional view of the suction tube fixture 1, and FIG. 9B is a view showing the state of the suction tube fixture 1 when its hook 8 is viewed from the front. The suction tube fixture 1 has a clamp portion 9 formed in a substantially U shape, and the clamp portion 9 is fixed to a column 16. A lever 10 is swingably provided at the right end of the clamp portion 9 via a pivot 11, and a grip portion 12 is provided on the lever 10. Further, the lever 10 is provided with a base end portion of an annular hook 8 so as to be swingable via a pivot shaft 13, and a tip end portion of the hook 8 is formed detachably at a left end portion of the clamp portion 9. ing.

  Next, as shown in FIG. 8, a procedure for fixing the suction pipe 4 to the sludge wheel 2 using the suction pipe fixture 1 and the tip holder 6 will be described. First, the grip 12 shown in FIG. 9A is swung counterclockwise about the pivot 11 to remove the tip of the hook 8 from the left tip of the clamp 9. In this state, the tip of the suction tube 4 is attached to the tip holder 6 and the rear end of the suction tube 4 is attached to the clamp 9 of the suction tube fixture 1. Then, the tip portion of the hook 8 is engaged with the left tip portion of the clamp portion 9, and the grip portion 12 is swung clockwise to be in the state shown in FIG.

  In the conventional suction tube fixture 1 shown in FIGS. 9 (a) and 9 (b), in order to prevent the suction tube 4 from rattling in the clamp portion 9 with the suction tube 4 attached, for example. As shown in the figure, when the hook 8 is engaged with the left end portion of the clamp portion 9, the hook 8 is elastically deformed so that the left and right end portions of the clamp portion 9 approach each other by tightening the hook 8. It is conceivable that the suction tube 4 is sandwiched and fixed by the clamp portion 9.

  However, when the clamp 9 is formed to be elastically deformed in this way, there is a certain limit to increase the rigidity of the suction tube fixture 1. When the rigidity of the clamp part 9 is increased, the elastic deformation of the clamp part 9 is hindered, and it is difficult to prevent the suction pipe 4 from rattling.

  Furthermore, in the conventional suction tube fixture 1 shown in FIGS. 9A and 9B, if a plurality of types of suction tubes having different cross-sectional shapes and sizes are to be used in common, the cross-sectional shape is If the smaller suction tube is fixed, rattling may occur. As suction pipes having different cross-sectional shapes, for example, one kind of suction pipe is a single short cylindrical pipe, and the other kind of suction pipe is formed by connecting two short cylindrical pipes having different diameters in parallel with each other. There is a combination.

  The present invention has been made to solve the above-described problems, and can fix, for example, suction pipes having different cross-sectional shapes and sizes so as not to rattle, and increase the strength. An object of the present invention is to provide a tube fixing tool that can be securely fixed so that the suction tube does not come off, and a tube fixing device including the tube fixing tool.

  The tube fixing device according to the present invention includes a fixing portion fixed to the fixed portion, a holding portion provided in the fixing portion for holding the tube, and the holding portion provided in the fixing portion or the holding portion. A retaining spring for sandwiching the peripheral wall of the tube between them, and a pushing portion for swingably connecting the holding portion and the connecting portion via the holding portion and pushing the tube between the retaining spring and the holding portion. And an engaging portion that detachably engages the pushing portion with the fixing portion at a pushing position where the tube is pushed.

  When fixing a pipe using the pipe fixture according to the present invention, first, the engagement by the engaging part is released and the pushing part is opened. Then, the tube is placed between the retaining spring and the holding portion by placing the tube between the retaining spring and the holding portion and closing the pushing portion. Then, the pushing portion is engaged with the fixed portion by the engaging portion. In such a fixed state, the tube is in a state in which the peripheral wall of the tube is strongly sandwiched between the retaining spring, the holding portion, and the pushing portion due to the spring force of the retaining spring. For example, the vehicle (fixed portion) vibrates. Even so, the tube can be fixed so that it does not rattle. Since the tube is pressed and fixed by the spring force of the retaining spring, it is possible to fix the tube with different cross-sectional shapes and sizes without rattling. In addition, since the tube is not rattled by the retaining spring, the rigidity of the fixing portion, the holding portion, and the pushing portion can be increased without changing the elastic coefficient of the retaining spring. The strength of the tube fixture can be increased sufficiently. Further, since the pushing portion is engaged with the fixing portion by the engaging portion to fix the tube, the fixed tube can be prevented from being detached. In addition, what is necessary is just to make it the state which cancelled | released the engaging part and opened the pushing part, when removing a pipe | tube.

  And in the tube fixture according to the present invention, the tube comprises only a suction tube main body, or has a suction tube main body and an air introduction tube that is externally coupled in parallel with the suction tube main body, The retaining spring is bent into a square shape and is cantilevered. The bent portion projects toward the push-in portion, and the base end side portion coupled to the fixing portion or the holding portion is in contact with the suction pipe body. It is preferable that the tip side portion of the retaining spring regulates the movement of the air introduction pipe. If it does in this way, the base end side part couple | bonded with the fixing | fixed part or holding | maintenance part of a retaining spring will contact | abut with the suction pipe main body, and the front end side part of a retaining spring can regulate the movement of an air introduction pipe | tube. Therefore, the pipe composed of the suction pipe main body and the air introduction pipe can be fixed so as not to rattle. In addition, when a tube consisting only of a suction tube main body that does not have an air introduction tube is attached, the proximal end side portion of the retaining spring, the holding portion, and the pushing portion are in contact with the tube so that the tube does not rattle. Can be fixed.

  Further, in the tube fixture according to the present invention, when the pushing portion is in the pushing position, the fixing portion, the pushing portion, and the holding portion are formed so as to surround the tube and the retaining spring, respectively. Good. If it does in this way, in the state where a pushing part is in a pushing position, since a fixed part, a pushing part, and a holding part surround a retaining spring, it can prevent that a retaining spring receives external force and deforms.

  Furthermore, the tube fixing device according to the present invention is characterized by comprising the tube fixing device of the present invention and a tip end fixing tool for fixing the tip end portion of the tube to the fixed portion.

  According to the tube fixing device according to the present invention, the rear end portion of the tube can be fixed by, for example, a tube fixing tool, and the distal end portion of the tube can be fixed by the tip end fixing tool. As a result, the tube can be firmly fixed.

  In the tube fixing device according to the present invention, the distal end fixing tool includes a hook-shaped portion that can receive the distal end portion of the tube, a horizontal movement of the distal end portion of the tube provided in the hook-shaped portion, and A positioning member that locks the movement in the direction in which the tube is pulled out toward the distal end, and the distal end fixture is lower than the tubular fixture. Is preferably attached to the fixed portion. In this way, when the distal end portion of the tube is attached to the bowl-shaped portion, the positioning member can lock the movement in the direction in which the tube exits to the distal end side, and the horizontal direction of the distal end portion of the tube can be positioned. Can do. Thereby, it can fix so that a pipe may not rattle.

  Further, the pipe fixture according to the present invention includes a sludge wheel or a suction drive unit including a storage tank capable of storing a collection object including sludge, and a suction force generator driven by the suction drive unit. It is good to apply to the sludge treatment equipment provided. In this way, when the pipe fixing tool is applied to a sludge car or a sludge treatment device, the pipe can be securely fixed to the sludge car or the sludge treatment device, and the sludge car can run with the pipe attached, When the sludge treatment apparatus is operated, the rattling of the pipe can be suppressed and the noise can be reduced.

  Furthermore, the pipe fixing device according to the present invention includes a sludge wheel or a suction drive unit including a storage tank capable of storing a collection object including sludge, and a suction force generator driven by the suction drive unit. It is good to apply to the sludge treatment equipment provided. As described above, when the pipe fixing device is applied to the sludge car or the sludge treatment device, the pipe can be securely fixed to the sludge car or the sludge treatment device as described above, and the sludge car can be attached with the pipe attached. When traveling or when the sludge treatment apparatus is activated, the rattling of the pipe can be suppressed and the noise can be reduced.

  According to the tube fixing device of the present invention, since the tube is pressed and fixed by the retaining spring, rattling can be suppressed, for example, noise is hardly generated due to vibration of the vehicle (fixed portion) and the like. Scratches are less likely to occur. And since the intensity | strength of this pipe fixing tool can be enlarged by enlarging the rigidity of a fixing | fixed part, a holding | maintenance part, and a pushing part, the lifetime of a pipe fixing tool can be extended. Further, since the pushing portion is engaged with the fixing portion by the engaging portion, the tube can be prevented from coming off from the tube fixing tool.

  According to the tube fixing device of the present invention, the tube fixing device of the present invention has the effect and the tip end portion of the tube is fixed by the tip end fixing device, so that the rattling of the tube is sufficiently suppressed. It can be firmly attached to the fixed part.

  Hereinafter, an embodiment of a tube fixing device 14 according to the present invention and a tube fixing device including the tube fixing device 14 and a tip end fixing device 18 will be described with reference to FIGS. As shown in FIG. 7, the pipe fixing device including the pipe fixing tool 14 and the tip end fixing tool 18 can fix the suction pipe 4 to the sludge wheel 15. Is provided. This sludge wheel 15 is equipped with a sludge treatment device (suction device) 3, and this sludge treatment device 3, for example, collects an object to be collected including sludge and earth and sand collected in manholes and sewer pipes with a suction hose ( The suctioned sludge and the like can be stored in the storage tank 5 by suction with a suction pipe 4 (not shown). And the sludge etc. which are stored in the storage tank 5 are conveyed to a predetermined place, the tailgate 5a is opened, and the storage tank 5 is further tilted and discharged.

  Each of the plurality of suction pipes 4 used in this way has a left rear end 4a provided on the vehicle body 15a by a plurality of pipe fixtures 14 as shown in FIG. The right end portion 4b of each suction tube 4 is fixed to the side surface of the suction engine cover 7 or a support column (not shown) by a plurality of tip end fixtures 18. Yes.

  1 is a cross-sectional view of the tube fixture 14, FIG. 2 is a right side view of the tube fixture 14, and FIG. 3 is a plan view of the tube fixture 14.

  As shown in FIG. 1, for example, the suction pipe 4 includes a suction pipe main body 4c and an air introduction pipe 4d that is externally coupled in parallel with the suction pipe main body 4c. The suction pipe main body 4c sucks sludge and the like, and the air introduction pipe 4d can allow outside air (air) to flow into the suction pipe main body 4c. That is, one end of the air introduction pipe 4d is coupled to the peripheral wall of the suction pipe body 4c, and the inner holes of both pipes communicate with each other. A cock 38 is provided at the other end of the air introduction pipe 4d. By opening and closing the cock 38, the other end of the air introduction pipe 4d can be opened and closed.

  According to the suction pipe 4, for example, when the suction pipe 4 is used to suck sludge or the like in the manhole, when the suction force by the suction pipe body 4c is too large, the operator The operation of opening the cock 38 provided in 4d by hand allows air to flow into the suction pipe body 4c through the air introduction pipe 4d, whereby the suction force by the suction pipe body 4c can be reduced to a desired value. Can be adjusted to size.

  As shown in FIG. 1, the tube fixture 14 includes a fixing portion 20. The fixing portion 20 has an inverted U-shaped front shape and is formed in a predetermined length, and the vertical side portion 20a is fixed to the column 16 or 17 by bolts (not shown) or welding. Yes. A holding portion 21 is fixed to the lower inner surface of the vertical side portion 20a of the fixed portion 20.

  As shown in FIG. 1, the holding portion 21 is a substantially rectangular plate-like body, is disposed substantially horizontally, and a base end portion is fixed to the inner surface of the vertical side portion 20 a of the fixing portion 20. And the holding | maintenance part 21 is bent so that the front-end | tip part 21a may go diagonally upward. The distal end portion 21a of the holding portion 21 is bent so as to be obliquely upward. When the suction tube 4 is placed on the holding portion 21, the suction tube 4 is bent by its own weight. This is because the suction tube 4 can be surely placed on the holding portion 21 so as to face the end side. A retaining spring 22 is fastened to the lower inner surface of the vertical side portion 20 a of the fixing portion 20 by bolts 24 and 24. A reinforcing member 23 is provided between the lower surface of the holding portion 21 and the lower side portion 20b of the fixing portion 20. The reinforcing member 23 is for reinforcing the holding portion 21.

  As shown in FIG. 1, the retaining spring 22 is formed by bending a plate-shaped metal spring material into a square shape, and a base end portion (lower portion) is fastened to the fixing portion 20 by the bolts 24 and 24. , Cantilevered. And the retaining spring 22 is arrange | positioned so that the bending part 22a may protrude toward the pushing part 25 mentioned later. The retaining spring 22 is formed so as to sandwich the suction tube main body 4c between a base end side portion 22b provided at the lower portion of the bent portion 22a and the holding portion 21. And the front end side part 22c of the retaining spring 22 is formed so as to face the air introduction pipe 4d, and is formed so as to restrict the air introduction pipe 4d from moving in the arc direction around the suction pipe body 4c. Yes. Further, the pushing portion 25 is connected to the distal end portion 21 a of the holding portion 21 through a connecting portion (hinge) 26 so as to be swingable.

  In addition, by making the attachment holes of the bolts 24, 24 provided in the retaining spring 22 into long holes, the retaining spring 22 can be adjusted up and down, and the suction tube 4 can be fixed more reliably.

  As shown in FIG. 1, the pushing portion 25 is a bending member whose front shape is formed in a substantially inverted L shape, and the lower end of the vertical side portion 25 a is a holding portion via a connecting portion (first pivot 26 a) 26. 21 is swingably connected to the tip portion 21a of 21. As shown in FIG. 1, the pushing portion 25 is in a closed state, the upper portion 25 b is in a horizontal state, and the tip of the upper portion 25 b is in contact with the tip of the upper portion 20 c of the fixing portion 20. It becomes. With the pushing portion 25 closed as described above, the suction tube body 4c is in contact with the proximal end side portion 22b of the retaining spring 22, the holding portion 21, and the vertical side portion 25a of the pushing portion 25. Thus, the suction pipe body 4c can be fixed so as not to move in the radial direction. The air introduction tube 4d is housed inside the distal end side portion 22c of the retaining spring 22, the vertical side portion 25a of the pushing portion 25, and the upper side portion 25b of the pushing portion 25, and as described above, The movement of the introduction pipe 4d can be restricted within a predetermined range. Thus, the suction pipe body 4c and the air introduction pipe 4d that are coupled to each other can be stored in the pipe fixture 14, and in this stored state, the suction pipe body 4c and the air introduction pipe 4d are securely fixed. Can do. Further, the pushing portion 25 is provided with an engaging tool 27.

  As shown in FIG. 1, the engagement tool 27 includes a plate-like base 27a. The base 27a is fastened to the outer surface of the vertical side portion 25a of the push-in portion 25 with a bolt 28, and a lever 27c is swingably connected to an upper end portion of the base 27a via a second pivot shaft 27b. A hook portion 27e is swingably connected to the lever 27c via a third pivot shaft 27d. The hook portion 27e is configured to be extendable and contracted, and is biased by a tension spring 29 in the shortening direction. An engaging pin 27f is provided at the tip of the hook portion 27e, and the engaging pin 27f is formed so as to be engageable with the hook 30. The hook 30 is fastened to the upper surface of the upper portion 20 c of the fixing portion 20 with a bolt 31.

  According to this engagement tool 27, as shown in FIG. 1, the pushing portion 25 is closed by swinging the lever 27c to a position along the base 27a while the engagement pin 27f is hooked on the hook 30. Can be in a state. Then, when opening the pushing portion 25, as shown by a two-dot chain line in the figure, the lever 27c is swung counterclockwise about the second pivot 27b, and the engaging pin 27f is moved from the hook 30. In this state, the pushing portion 25 is swung clockwise around the connecting portion 26. In this way, the pushing portion 25 can be opened (see FIG. 4), and the suction tube 4 can be removed from the tube fixture 14 with the pushing portion 25 opened, and the suction tube 4 can be removed from the tube. It can be fixed by being attached to the fixture 14. Thus, since the engaging tool 27 can open and close the pushing part 25 without using a tool, the attachment and detachment of the suction pipe 4 with respect to the pipe fixing tool 14 can be performed easily and reliably.

  Next, with reference to FIGS. 5A and 5B, a plurality of tip end fixtures 18,... For fixing the right tip portion 4b of each suction tube 4 will be described. The tip end fixing tool 18 is fixed to a side surface of the suction engine cover 7 and a column (not shown) via a bracket 32 (see FIG. 7), and each has a hook-like portion 33. In addition, as shown in FIG. 5A, each hook-shaped portion 33 is provided with a fastening member 34 for locking the suction tube 4 so as not to come out from the right tip portion 4b side. Further, a plate-like positioning member 35 is provided on the bottom wall 33a of the flange 33 so as to form a predetermined angle with the side walls 33b and 33c.

  Further, an upper wall 33d is provided at the upper end of the hook-shaped portion 33, and the upper wall 33d is bridged over the upper edges of the side walls 33b and 33c. As described above, the upper wall 33d is provided so that the right tip portion 4b of the suction tube 4 stored in the tip end fixture 18 jumps upward and does not come off, and sludge and the like are prevented from coming off. This is so as not to be hung on the tip 4b. However, the upper wall 33d may be omitted.

  When the right tip 4b of the suction tube 4 is attached to the tip fixture 18, the right tip 4b of the suction tube 4 is fixed to the tip as shown in FIGS. 5 (a) and 5 (b). What is necessary is just to mount | wear to the bowl-shaped part 33 of the tool 18, and to contact | abut the front-end edge of the suction pipe 4 to the positioning member 35. FIG. With the right tip portion 4b of the suction tube 4 thus mounted, the right tip portion 4b is held by the bottom wall 33a of the bowl-shaped portion 33, and the horizontal movement perpendicular to the tube axis is the side wall on the back side. It is latched by 33b and the positioning member 35. Furthermore, the movement of the suction tube 4 in the direction of coming out to the right tip side is locked by the positioning member 35. In this way, the right tip 4b of the suction tube 4 can be firmly fixed and supported by the tip fixture 18 and the left rear end 4a of the suction tube 4 can be firmly fixed and supported by the tube fixture 14. can do.

  In order to prevent the suction tube 4 fixed by the tube fixture 14 and the tip fixture 18 from coming out from the left rear end 4a side, as shown in FIG. 7, the right tip of the suction tube 4 is used. The tube fixture 14 and the tip end fixture 18 are arranged so that the portion 4b is below the left rear end portion 4a.

  Next, a procedure for fixing the suction pipe 4 to the sludge wheel 15 using the pipe fixture 14 and the tip end fixture 18 configured as shown in FIGS. 1 to 7 will be described. For example, first, as shown in FIG. 4, the engagement by the engagement tool 27 is released, and the pushing portion 25 is opened. Then, the right distal end portion 4 b of the suction tube 4 is attached to the distal end fixture 18, and the suction tube body 4 c constituting the suction tube 4 is attached between the proximal end side portion 22 b of the retaining spring 22 and the holding portion 21. At the same time, the air introduction tube 4 d is brought into contact with the distal end side portion 22 c of the retaining spring 22. Next, as shown in FIG. 1, the suction tube 4 is pushed between the retaining spring 22 and the holding portion 21 by closing the pushing portion 25. Then, the pushing portion 25 is engaged with the fixed portion 20 by the engaging tool 27.

  In this engaged state, the suction tube main body 4 c is pressed against the holding portion 21 and the pushing portion 25 by the spring force of the retaining spring 22. In other words, the suction pipe body 4c is in a state where the peripheral wall of the suction pipe body 4c is strongly clamped at the three points of the fastening spring 22, the holding portion 21, and the pushing portion 25 by the spring force of the fastening spring 22, for example, a vehicle Even if 15 vibrates, it can fix so that suction pipe 4 may not rattle.

  Since the suction pipe 4 is pressed and fixed by the spring force of the retaining spring 22, even suction pipes having different cross-sectional shapes and sizes can be fixed without rattling. Further, since the suction pipe 4 is prevented from rattling by the retaining spring 22, the rigidity of the fixing portion 20, the holding portion 21, and the pushing portion 25 can be increased, and thereby the pipe fixing tool can be increased. The strength of 14 can be sufficiently increased. Therefore, the life of the tube fixture 14 can be extended. Further, since the pushing portion 25 is engaged with the fixing portion 20 by the engaging tool 27 and the suction tube 4 is fixed, the fixed suction tube 4 does not come off from the tube fixing device 14 and the tip end fixing device 18. Can be. Note that when the suction tube 4 is removed, as shown in FIG. 4, it is only necessary to release the engagement tool 27 and open the pushing portion 25.

  Further, as shown in FIG. 1, the air introduction tube 4 d is accommodated inside the distal end side portion 22 c of the retaining spring 22, the vertical side portion 25 a of the pushing portion 25, and the upper portion 25 b of the pushing portion 25. The swinging of the air introduction tube 4d around the suction tube body 4c can be restricted within a predetermined range by the distal end side portion 22c of the retaining spring 22 and the vertical side portion 25a of the pushing portion 25. It is possible to suppress the rattling of the air introduction pipe 4d.

  Further, as shown in FIG. 1, when the pushing portion 25 is in the pushing position (closed state), the fixing portion 20, the pushing portion 25, and the holding portion 21 surround the suction tube 4 and the retaining spring 22. Since each is formed, the retaining spring 22 can be prevented from being deformed by receiving an external force.

  Furthermore, according to the sludge wheel 15 provided with the pipe fixture 14 shown in FIG. 1 etc., the suction pipe 4 can be reliably fixed to the vehicle 15 as described above, and the suction pipe 4 is attached to the vehicle 15. When the vehicle travels, rattling of the suction pipe 4 can be suppressed and noise can be reduced.

  However, in the above embodiment, as illustrated in FIG. 1, an example in which the suction pipe 4 including the suction pipe main body 4 c and the air introduction pipe 4 d is fixed by the pipe fixture 14 has been described. Instead, as shown in FIG. 6, the suction tube 36 consisting only of the suction tube main body can be fixed by the tube fixture 14. According to this tube fixture 14, the base end side portion 22 b of the retaining spring 22, the holding portion 21, and the pushing portion 25 come into contact with the suction tube 36, and the suction tube 36 is not rattling, as in the above embodiment. It can be suppressed and fixed securely.

  And in the said embodiment, as shown in FIG. 1, although the holding | maintenance part 21 was reinforced with the lower side part 20b of the fixing | fixed part 20 via the reinforcement member 23, this reinforcement member 23 and the lower side part 20b are abbreviate | omitted. May be. And when it does in this way, you may form the fixing | fixed part 20 and the holding | maintenance part 21 integrally.

  Furthermore, in the said embodiment, as shown in FIG. 1, although it was set as the structure which attached the retaining spring 22 to the fixing | fixed part 20, it may be set as the structure which replaced with this and attached the retaining spring 22 to the holding | maintenance part 21. FIG.

  Moreover, in the said embodiment, as shown in FIG. 7, although this invention was applied with respect to the sludge treatment apparatus 3 mounted in the vehicle body 15a, it replaces with this and the sludge treatment apparatus installed in the ground or a building The present invention can be applied to 3. The sludge treatment apparatus 3 installed on the ground or in a building can be used continuously at the installation location, for example. The sludge treatment apparatus may include a suction engine and a suction force generator (for example, a Roots blower or a vacuum pump) driven by the suction engine, and further, a storage capable of storing sucked sludge and the like. A tank 5 may be provided.

  Furthermore, in the above embodiment, as shown in FIG. 7, the present invention is applied to the sludge vehicle 15, but the present invention is also applied to a tank vehicle other than the sludge vehicle 15 such as a tank truck for transporting petroleum. Can be applied.

  As described above, the tube fixing device and the tube fixing device according to the present invention can fix suction pipes having different cross-sectional shapes and sizes, for example, without rattling, and can increase strength. In addition, it has an excellent effect that it can be reliably fixed so that the suction tube does not come off, and is suitable for application to such a tube fixing tool, a tube fixing device, and the like.

It is sectional drawing which shows the pipe fixing tool which concerns on one Embodiment of this invention. It is a right view of the pipe fixture concerning the embodiment. It is a top view of the pipe fixture concerning the embodiment. It is sectional drawing which shows the state which opened the pushing part of the pipe | tube fixing tool concerning the embodiment. It is a figure which shows the front-end | tip part fixing tool provided in the sludge truck which concerns on the embodiment, (a) is sectional drawing, (b) is a front view. It is sectional drawing which shows the state which fixed the suction pipe of another shape with the tube fixing tool which concerns on the same embodiment. It is a side view which shows the sludge wheel provided with the pipe | tube fixing tool and tip part fixing tool which concern on the embodiment. It is a side view which shows the sludge wheel provided with the conventional suction pipe fixing tool. It is a figure which shows the conventional suction tube fixture, (a) is a longitudinal cross-sectional view of a suction tube fixture, (b) is a figure which shows the state which looked at the hook of the suction tube fixture in the front.

Explanation of symbols

3 Sludge treatment equipment (suction equipment)
4, 36 Suction pipe 4a Left rear end 4b Right tip 4c Suction pipe body 4d Air introduction pipe 5 Storage tank 5a Tailgate 7 Suction engine cover 14 Pipe fixture 15 Sludge wheel 15a Car body 16, 17 Strut 18 Tip fixture DESCRIPTION OF SYMBOLS 20 Fixing part 20a Vertical side part 20b Lower side part 20c Upper part 21 Holding part 21a Tip part 22 Retaining spring 22a Bending part 22b Base end side part 22c Tip side part 23 Reinforcement member 24, 28, 31 Bolt 25 Push part 25a Vertical side Part 25b Upper part 26 Connection part 27 Engagement tool 27a Base 27b Second pivot 27c Lever 27d Third pivot 27e Hook part 27f Engagement pin 29 Tension spring 30 Hook 32 Bracket 33 Gutter-like part 33a Bottom wall 33b, 33c Side wall 33d Wall 34 Fastening member 35 Positioning member 38 Cock

Claims (7)

A fixed portion fixed to the fixed portion, a holding portion for holding the Re provided et the tube to the fixed part, the peripheral wall of the tube between the provided in the fixed part or the holding portion and the holding portion A clamping spring for sandwiching, a pushing part for pivotally connecting the holding part and the holding part via the connecting part and pushing the tube between the retaining spring and the holding part, and a pushing position for pushing the pipe And an engaging portion that detachably engages the pushing portion with the fixing portion.   The tube comprises only a suction tube main body, or has a suction tube main body and an air introduction tube that is externally coupled in parallel with the suction tube main body, and the retaining spring is bent into a square shape. The bent portion protrudes toward the push-in portion, the base end side portion coupled to the fixing portion or the holding portion abuts on the suction pipe body, and the distal end side portion of the retaining spring 2. The pipe fixture according to claim 1, wherein movement of the air introduction pipe is restricted.   The said fixing | fixed part, the said pushing part, and the said holding | maintenance part are each formed so that each of the said pipe | tube and the said retaining spring may be enclosed when the said pushing part exists in a pushing position. 2. The tube fixture according to 2.   A tube fixing device comprising: the tube fixing device according to any one of claims 1 to 3; and a tip portion fixing tool for fixing a tip portion of the tube to a fixed portion.   The distal end fixture includes a hook-shaped portion that can accommodate the distal end portion of the tube, a horizontal movement of the distal end portion of the tube provided in the hook-shaped portion, and a movement in a direction in which the tube is pulled out to the distal end side. A positioning member for locking, and the tube fixing tool and the tip fixing tool are attached to the fixed part so that the tip fixing tool is located below the tube fixing tool. The tube fixing device according to claim 4.   The pipe fixture according to any one of claims 1 to 3 is a sludge wheel or a suction drive unit including a storage tank capable of storing a collection object including sludge, and a suction driven by the suction drive unit. A pipe fixture characterized by being applied to a sludge treatment apparatus comprising a force generator.   The pipe fixing device according to claim 4 or 5 includes a sludge wheel or a suction drive unit including a storage tank capable of storing a collection object including sludge, and a suction force generator driven by the suction drive unit. It is applied to a sludge treatment apparatus provided with the pipe fixing device characterized by the above-mentioned.

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