CN214999386U - Novel (mixing) shaft seal structure of mobile concrete pump - Google Patents
Novel (mixing) shaft seal structure of mobile concrete pump Download PDFInfo
- Publication number
- CN214999386U CN214999386U CN202121366014.7U CN202121366014U CN214999386U CN 214999386 U CN214999386 U CN 214999386U CN 202121366014 U CN202121366014 U CN 202121366014U CN 214999386 U CN214999386 U CN 214999386U
- Authority
- CN
- China
- Prior art keywords
- pump truck
- fastening sleeve
- shaft
- mixing
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 238000003756 stirring Methods 0.000 claims abstract description 27
- 230000000903 blocking effect Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a novel concrete pump truck's (mixing) shaft seal structure, including pump truck (mixing) shaft and seal assembly, seal assembly includes fender seat, axle sleeve, sealing washer, adapter sleeve body, base, internal thread, external screw thread, the axle sleeve cover is located on the pump truck (mixing) shaft, and is provided with the sealing washer between axle sleeve and the pump truck (mixing) shaft, the outside of axle sleeve is provided with the adapter sleeve body, be provided with the base of symmetric distribution on the adapter sleeve body, and the inner wall of base is seted up there is the internal thread, the outer wall that keeps off the seat is provided with the external screw thread, external screw thread and internal thread screw thread close soon; the utility model has the advantages that: by the designed sealing assembly, the sealing ring is fastened between the shaft sleeve and the stirring shaft of the pump truck, so that the sealing effect is enhanced, and the leakage of concrete is prevented; the baffle seat and the base are designed in a detachable mode, so that the baffle seat can be conveniently taken down and replaced when damaged; the concrete is prevented from seeping out of the hopper by the matching of the blocking seat and the stop block.
Description
Technical Field
The utility model belongs to the technical field of the (mixing) shaft is sealed, concretely relates to novel concrete pump truck's (mixing) shaft seal structure.
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 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, a hydraulic pump pushes a piston to drive a concrete pump to work, and then the concrete is conveyed to a certain height and distance by utilizing a distributing rod and a conveying pipe on the concrete pump truck.
Application number CN201220572786.0 discloses a novel (mixing) shaft seal structure of mobile concrete pump, including baffle, skeleton seal, sleeve, bearing frame, U type sealing washer, the sleeve cover is served at mobile concrete pump's (mixing) shaft, and baffle and bearing frame are gone up to the sleeve overcoat to fix the baffle on the bearing frame, install U type sealing washer between bearing frame and the sleeve, be equipped with the lubricating grease import on the bearing frame.
The sealing structure of the stirring shaft of the existing concrete pump truck wastes time and labor in sealing and reduces the sealing efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel (mixing) shaft seal structure of concrete pump truck to the sealed waste time and energy that proposes in solving above-mentioned background art has reduced sealed efficiency problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel (mixing) shaft seal structure of concrete pump truck, includes pump truck (mixing) shaft and seal assembly, seal assembly is including keeping off seat, axle sleeve, sealing washer, adapter sleeve body, base, internal thread, external screw thread, the axle sleeve cover is located on the pump truck (mixing) shaft, and is provided with the sealing washer between axle sleeve and the pump truck (mixing) shaft, the outside of axle sleeve is provided with the adapter sleeve body, be provided with the base of symmetric distribution on the adapter sleeve body, and the inner wall of base is seted up there is the internal thread, the outer wall that keeps off the seat is provided with the external screw thread, external screw thread and internal thread screw thread close soon.
Preferably, the fastening sleeve body comprises a first fastening sleeve, a second lug, a second fastening sleeve and a first lug, the first lug is symmetrically distributed at the end part of the first fastening sleeve, and the second lug is symmetrically distributed at the end part of the second fastening sleeve.
Preferably, the surfaces of the first lug and the second lug are both provided with screw holes, and the screw holes are communicated.
Preferably, the first fastening sleeve and the second fastening sleeve are the same in size, and the first fastening sleeve and the second fastening sleeve are both arc-shaped structures.
Preferably, the device also comprises a hopper, wherein a groove is formed in the inner side surface of the hopper, and the baffle seat extends into the groove.
Preferably, the stirring shaft of the pump truck is provided with a stirring blade, the inner side surface of the hopper is provided with a stop dog, and the stop dog is arranged between the stirring blade and the stop seat.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) by the designed sealing assembly, the sealing ring is fastened between the shaft sleeve and the stirring shaft of the pump truck, so that the sealing effect is enhanced, and the leakage of concrete is prevented;
(2) the baffle seat and the base are designed in a detachable mode, so that the baffle seat can be conveniently taken down and replaced when damaged; the concrete is prevented from seeping out of the hopper by the matching of the blocking seat and the stop block.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the fastening sleeve body of the present invention;
fig. 3 is an enlarged schematic view of the F-region in fig. 1 according to the present invention;
in the figure: 1. a stirring shaft of a pump truck; 2. a hopper; 3. stirring blades; 4. a stopper; 5. a blocking seat; 6. a shaft sleeve; 7. a seal ring; 8. a fastening sleeve body; 9. a first fastening sleeve; 10. a second lug; 11. a second fastening sleeve; 12. a first lug; 13. a base; 14. an internal thread; 15. and (4) external threads.
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.
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a novel concrete pump truck stirring shaft sealing structure comprises a pump truck stirring shaft 1 and a sealing assembly, wherein the sealing assembly comprises a baffle seat 5, a shaft sleeve 6, a sealing ring 7, a fastening sleeve body 8, a base 13, an internal thread 14 and an external thread 15, the shaft sleeve 6 is sleeved on the pump truck stirring shaft 1, the sealing ring 7 is arranged between the shaft sleeve 6 and the pump truck stirring shaft 1, the fastening sleeve body 8 is arranged on the outer side of the shaft sleeve 6, the sealing ring 7 is fastened between the shaft sleeve 6 and the pump truck stirring shaft 1 through the fastening sleeve body 8, the sealing effect is enhanced, the concrete leakage is prevented, the fastening sleeve body 8 is provided with the bases 13 which are symmetrically distributed, the internal thread 14 is arranged on the inner wall of the base 13, the external thread 15 is arranged on the outer wall of the baffle seat 5, the external thread 15 is screwed with the internal thread 14, the baffle seat 5 and the base 13 are detachably designed, and conveniently when the baffle seat 5 is damaged, taking down the hopper and replacing the hopper, and blocking the concrete from seeping out of the hopper 2 by using the blocking seat 5.
In this embodiment, preferably, the fastening sleeve body 8 includes a first fastening sleeve 9, a second lug 10, a second fastening sleeve 11, and a first lug 12, the end of the first fastening sleeve 9 is provided with first lugs 12 distributed symmetrically, the end of the second fastening sleeve 11 is provided with second lugs 10 distributed symmetrically, the surfaces of the first lugs 12 and the second lugs 10 are both provided with screw holes, and the screw holes are through, the first fastening sleeve 9 and the second fastening sleeve 11 have the same size, and the first fastening sleeve 9 and the second fastening sleeve 11 are both in an arc structure, when in use, the arc first fastening sleeve 9 is taken up, the arc first fastening sleeve 9 is placed outside the shaft sleeve 6, the arc second fastening sleeve 11 is taken up, the second fastening sleeve 11 is placed outside the shaft sleeve 6, the screw is taken up, the first lug 12 and the second lug 10 are fastened by the screw, so as to fasten the arc first fastening sleeve 9 and the second fastening sleeve 11, facilitating the mounting of the first and second fastening sleeves 9, 11.
In this embodiment, preferred, still include hopper 2, the medial surface of hopper 2 is seted up flutedly, keeps off seat 5 and extends into the recess in, through keeping off the collocation of seat 5 and recess, prevents that the concrete from oozing out hopper 2.
In this embodiment, preferably, the stirring blade 3 is installed on the stirring shaft 1 of the pump truck, the stopper 4 is disposed on the inner side surface of the hopper 2, and the stopper 4 is disposed between the stirring blade 3 and the stopper seat 5, so as to further limit the concrete through the stopper 4.
The utility model discloses a theory of operation and use flow: when the sealing ring is used, the arc-shaped first fastening sleeve 9 is taken up, the arc-shaped first fastening sleeve 9 is placed on the outer side of the shaft sleeve 6, the arc-shaped second fastening sleeve 11 is taken up, the second fastening sleeve 11 is placed on the outer side of the shaft sleeve 6, the screw is taken up, the first lug 12 and the second lug 10 are fastened through the screw, the arc-shaped first fastening sleeve 9 and the second fastening sleeve 11 are fastened, the sealing ring 7 is fastened between the shaft sleeve 6 and the stirring shaft 1 of the pump truck, the sealing effect is enhanced, and the concrete leakage is prevented; keep off seat 5 and 13 dismouting designs of base, be convenient for when keeping off seat 5 and damaging, take off and change, utilize the collocation that keeps off seat 5 and dog 4, outside the separation concrete oozes hopper 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel (mixing) shaft seal structure of concrete pump truck, includes pump truck (mixing) shaft (1) and seal assembly, its characterized in that: the sealing assembly comprises a blocking seat (5), an axle sleeve (6), a sealing ring (7), a fastening sleeve body (8), a base (13), an internal thread (14) and an external thread (15), wherein the axle sleeve (6) is sleeved on a pump truck stirring shaft (1), the sealing ring (7) is arranged between the axle sleeve (6) and the pump truck stirring shaft (1), the fastening sleeve body (8) is arranged on the outer side of the axle sleeve (6), the base (13) is symmetrically distributed on the fastening sleeve body (8), the internal thread (14) is arranged on the inner wall of the base (13), the external thread (15) is arranged on the outer wall of the blocking seat (5), and the external thread (15) and the internal thread (14) are screwed.
2. The stirring shaft sealing structure of the novel concrete pump truck as claimed in claim 1, characterized in that: the fastening sleeve body (8) comprises a first fastening sleeve (9), second lugs (10), a second fastening sleeve (11) and first lugs (12), the first lugs (12) are symmetrically distributed at the end part of the first fastening sleeve (9), and the second lugs (10) are symmetrically distributed at the end part of the second fastening sleeve (11).
3. The stirring shaft sealing structure of the novel concrete pump truck as claimed in claim 2, characterized in that: screw holes are formed in the surfaces of the first lug (12) and the second lug (10) and penetrate through the screw holes.
4. The stirring shaft sealing structure of the novel concrete pump truck as claimed in claim 2, characterized in that: the first fastening sleeve (9) and the second fastening sleeve (11) are the same in size, and the first fastening sleeve (9) and the second fastening sleeve (11) are both arc-shaped structures.
5. The stirring shaft sealing structure of the novel concrete pump truck as claimed in claim 1, characterized in that: the novel hopper is characterized by further comprising a hopper (2), wherein a groove is formed in the inner side face of the hopper (2), and the blocking seat (5) extends into the groove.
6. The stirring shaft sealing structure of the novel concrete pump truck as claimed in claim 5, characterized in that: install stirring leaf (3) on pump truck (mixing) shaft (1), the medial surface of hopper (2) is provided with dog (4), and dog (4) are arranged in between stirring leaf (3) and fender seat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121366014.7U CN214999386U (en) | 2021-06-21 | 2021-06-21 | Novel (mixing) shaft seal structure of mobile concrete pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121366014.7U CN214999386U (en) | 2021-06-21 | 2021-06-21 | Novel (mixing) shaft seal structure of mobile concrete pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214999386U true CN214999386U (en) | 2021-12-03 |
Family
ID=79080873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121366014.7U Expired - Fee Related CN214999386U (en) | 2021-06-21 | 2021-06-21 | Novel (mixing) shaft seal structure of mobile concrete pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214999386U (en) |
-
2021
- 2021-06-21 CN CN202121366014.7U patent/CN214999386U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |