CN115532457A - Central rotary joint of tower crane spraying system - Google Patents
Central rotary joint of tower crane spraying system Download PDFInfo
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- CN115532457A CN115532457A CN202211359251.XA CN202211359251A CN115532457A CN 115532457 A CN115532457 A CN 115532457A CN 202211359251 A CN202211359251 A CN 202211359251A CN 115532457 A CN115532457 A CN 115532457A
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- tower crane
- central
- ring
- sealing
- shaft body
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- 238000005507 spraying Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims description 57
- 230000001050 lubricating effect Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 8
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- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 39
- 230000000903 blocking effect Effects 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000035515 penetration Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/025—Rotational joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/12—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with feed by capillary action, e.g. by wicks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention relates to the technical field of tower crane spraying systems, in particular to a central rotary joint of a tower crane spraying system, which comprises a central rotary shaft body, wherein a rotary shell is sleeved above the central rotary shaft body, a water distribution hole is integrally formed in the rotary shell, two groups of water holes are symmetrically formed in the surface of the central rotary shaft body, a water outlet interface is arranged on the surface of the rotary shell, and a water inlet interface is arranged on the surface of the central rotary shaft body; the beneficial effects are that: compared with the existing tower crane spraying pipeline technology, the central rotary joint of the tower crane spraying system provided by the invention has the advantages that the central rotary joint is concentric and coaxial with a tower crane rotating platform and can rotate freely in 360 degrees, the distortion of the tower crane rotation to a tower crane spraying water supply pipeline is avoided, the tower crane water supply pipeline maintenance cost is reduced, the tower crane spraying utilization rate is improved, the raised dust is effectively treated, the green construction is realized, and the central rotary joint is safer, more reliable and more environment-friendly through simulation analysis.
Description
Technical Field
The invention relates to the technical field of tower crane spraying systems, in particular to a central rotary joint of a tower crane spraying system.
Background
The tower crane is the most common hoisting equipment in construction sites, also called tower crane, and is lengthened (high) section by section (called as "standard section" for short) and is used as a raw material for hanging construction reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction. The tower crane is also an indispensable hoisting device on a construction site.
In the prior art, with the development of green, environment-friendly and energy-saving construction of the construction industry, national environment-friendly measures are actively implemented to treat raised dust in order to respond to the national call. Along with the rapid popularization and application of a tower crane spraying system, a tower crane spraying pipeline is matched with a tower crane large arm to rotate, and dust below is sprayed.
However, the abrasion problem of the tower crane spray pipeline and the tower crane large arm rotating mechanism is outstanding, and the large arm spray water supply pipeline is distorted due to 360-degree rotation of the tower crane large arm, so that the service life of the pipeline is influenced.
Disclosure of Invention
The invention aims to provide a central rotary joint of a tower crane spraying system, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a tower machine spraying system central authorities rotary joint, includes central gyration shaft, the top cover of central gyration shaft is equipped with rotary housing, and rotary housing's inside integrated into one piece has the diversion hole, and two sets of water holes have been seted up to central gyration shaft's surface symmetry, and rotary housing's surface is provided with out the water interface, and central gyration shaft's surface is provided with the interface of intaking.
Preferably, the central revolving shaft is a T-shaped cylinder, a plurality of fixing bolt holes are formed in the surface of a bottom plate of the central revolving shaft, the water inlet is integrally formed below the bottom plate of the central revolving shaft, an annular groove is formed in the top surface of the central revolving shaft, and the bottom end of the revolving shell is lapped on the bottom surface of the annular groove.
Preferably, the gyration casing is "well" font pipe structure, and the mounting groove has all been seted up to the top surface of gyration casing and the bottom surface of gyration casing, and the mounting groove is the annular structure, and the internally mounted of mounting groove has sealed ball bearing, and sealed ball bearing's inner circle is fixed on the outer wall of central gyration shaft, and wherein the outer lane of a set of sealed ball bearing in bottom passes through fastening bolt and connects the gyration casing.
Preferably, two groups of sealing pieces are arranged between the central revolving shaft body and the revolving shell, the two groups of sealing pieces are positioned between the two groups of sealing ball bearings, the two groups of sealing pieces are symmetrically distributed around the annular water collecting cavity, the sealing pieces comprise a first sealing ring, a second sealing ring and a third sealing ring, the first sealing ring, the second sealing ring and the third sealing ring are clamped between the central revolving shaft body and the revolving shell, and the top end of the revolving shell is connected with an outer gland through an outer gland fixing bolt.
Preferably, the bottom end of the rotary shell is sleeved with an anti-dropping stopper, the anti-dropping stopper realizes the limit of the fastening bolt, the top of the anti-dropping stopper is provided with a lubricating piece, after oil stored in the lubricating piece seeps out, the oil flows to the sealed ball bearing through an oil dripping hole formed in the surface of the rotary shell, and the upper part of the lubricating piece is connected with a heat preservation piece through a bearing piece.
Preferably, the anticreep keeps off the piece including keeping off the ring, the side groove, spacing axle, extend the arm of force, the rubber holding strip, dig the groove, pull rod and separation blade, the interior anchor ring of keeping off the ring is provided with the internal thread, the outer wall of gyration casing is provided with the external screw thread, external screw thread and interior screw-thread fit connection, the side groove is provided with a plurality ofly, a plurality of side grooves are arranged along the outer anchor ring of keeping off the ring and are distributed, the height that highly is less than the fender ring in side groove, the bottom surface in side groove is fixed with the spacing axle, spacing axle is "T" font cylindrical structure, spacing axle runs through the extension arm of force, the extension arm of force is convex platelike structure.
Preferably, the one end of extending the arm of force is provided with the rubber holding strip, extends the arm of force and folds up when the limit slot, and the rubber holding strip centre gripping is extending between arm of force and the side wall of limit slot, and the outer anchor ring that extends the arm of force has been seted up and has been scratched the groove, scratches the groove and runs through the extension arm of force, scratches and is provided with the pull rod between two lateral walls that are parallel to each other in groove, and the one end that the limit slot is close to spacing axle is provided with the separation blade, and the separation blade is spacing to the extension arm of force of taking out from the limit slot.
Preferably, the lubricating part comprises an oil storage ring, a sealing ring four, a sealing cover, a rubber block, an oil seepage hole and a sponge adsorption ring, the oil storage ring is an annular frame with a concave-shaped section, the oil storage ring is fixed on the top surface of the baffle ring, two groups of sealing rings four are arranged on the inner annular surface of the oil storage ring, the sealing cover is arranged at the notch of the oil storage ring, a reserved hole is formed in the surface of the sealing cover, the rubber block is arranged in the reserved hole, the oil seepage hole is formed in the inner annular surface of the oil storage ring, the oil seepage hole penetrates through the inner groove body of the oil storage ring, and the sponge adsorption ring is arranged on the outer annular surface of the inner annular plate of the oil storage ring.
Preferably, the set off spare includes link and overlap joint piece, and the link is "L" shaped plate column structure, and the riser of link passes through the bolt fastening on the outer wall of oil storage ring, and the overlap joint piece is fixed on the riser of link, and the overlap joint piece overlap joint is at the top surface of oil storage ring.
Preferably, the heat preservation piece includes isolating ring and heating pipe, and the isolating ring is "protruding" font ring structure, and the outside cover of isolating ring is equipped with the heating pipe, and the diaphragm of link is fixed on the bottom plate of isolating ring, and the link is provided with a plurality ofly, and a plurality of links are arranged along the bottom plate of isolating ring and are distributed.
Compared with the prior art, the invention has the beneficial effects that:
compared with the existing tower crane spraying pipeline technology, the central rotary joint of the tower crane spraying system provided by the invention has the advantages that the central rotary joint is concentric and coaxial with a tower crane rotating platform and can rotate freely in 360 degrees, the distortion of the tower crane rotation to a tower crane spraying water supply pipeline is avoided, the tower crane water supply pipeline maintenance cost is reduced, the tower crane spraying utilization rate is improved, the raised dust is effectively treated, the green construction is realized, and the central rotary joint is safer, more reliable and more environment-friendly through simulation analysis.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic structural view of the retainer ring of the present invention after removal;
FIG. 3 is a schematic view of the oil conservator structure of the present invention;
FIG. 4 is a schematic view of a retainer ring according to the present invention;
FIG. 5 is a schematic view of an isolator ring structure according to the present invention;
fig. 6 is a schematic sectional view of the oil storage ring of the present invention.
In the figure: the device comprises a central rotating shaft 1, a fixing bolt hole 2, a fastening bolt 3, a sealing ball bearing 4, a sealing ring I5, a sealing ring II 6, a sealing ring III 7, a rotating shell 8, an outer gland fixing bolt 9, an outer gland 10, an annular water collecting cavity 11, a water outlet port 12, a water diversion hole 13, a water inlet port 14, a baffle ring 15, an oil storage ring 16, a sealing ring IV 17, a sealing cap 18, a rubber block 19, an oil seepage hole 20, a sponge adsorption ring 21, a baffle ring 22, a heating pipe 23, a connecting frame 24, a lapping plate 25, a side groove 26, a limiting shaft 27, an extension force arm 28, a rubber clamping strip 29, a digging groove 30, a pull rod 31 and a baffle plate 32.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.
Example one
Referring to fig. 1 to fig. 2, the present invention provides a technical solution: a central rotary joint of a tower crane spraying system comprises a central rotary shaft body 1, wherein a rotary shell body 8 is sleeved above the central rotary shaft body 1, water distribution holes 13 are integrally formed in the rotary shell body 8, two groups of water distribution holes 13 are symmetrically formed in the surface of the central rotary shaft body 1, a water outlet port 12 is formed in the surface of the rotary shell body 8, and a water inlet port 14 is formed in the surface of the central rotary shaft body 1; compared with the existing tower crane spraying pipeline technology, the tower crane spraying pipeline has the advantages that the concentric and coaxial 360-degree free rotation with a tower crane rotating platform is achieved, the distortion of a tower crane spraying water supply pipeline caused by the rotation of the tower crane is avoided, the maintenance cost of the tower crane water supply pipeline is reduced, the tower crane spraying utilization rate is improved, the raise dust is effectively treated, the green construction is realized, and the simulation analysis is safer, more reliable and more environment-friendly.
Example two
On the basis of the first embodiment, in order to realize the connection between the central revolving shaft 1 and the revolving shell 8, the central revolving shaft 1 is a cylinder shaped like a Chinese character 'T', a plurality of fixing bolt holes 2 are arranged on the surface of the bottom plate of the central revolving shaft 1, a water inlet 14 is integrally formed below the bottom plate of the central revolving shaft 1, an annular groove is arranged on the top surface of the central revolving shaft 1, and the bottom end of the revolving shell 8 is lapped on the bottom surface of the annular groove; the rotary shell 8 is of a middle-shaped circular tube structure, mounting grooves are formed in the top surface of the rotary shell 8 and the bottom surface of the rotary shell 8, the mounting grooves are of an annular structure, sealing ball bearings 4 are mounted inside the mounting grooves, the inner rings of the sealing ball bearings 4 are fixed on the outer wall of the central rotary shaft body 1, and the outer rings of a group of sealing ball bearings 4 at the bottom are connected with the rotary shell 8 through fastening bolts 3; two sets of sealing members are arranged between the central revolving shaft body 1 and the revolving shell body 8, the two sets of sealing members are arranged between the two sets of sealing ball bearings 4, the two sets of sealing members are symmetrically distributed about the annular water collecting cavity 11, the sealing members comprise a first sealing ring 5, a second sealing ring 6 and a third sealing ring 7, the first sealing ring 5, the second sealing ring 6 and the third sealing ring 7 are clamped between the central revolving shaft body 1 and the revolving shell body 8, and the top end of the revolving shell body 8 is connected with an outer gland 10 through an outer gland fixing bolt 9.
EXAMPLE III
Referring to fig. 3 to 6, on the basis of the second embodiment, in order to realize blocking reinforcement of the fastening bolt 3 and lubrication of the sealed ball bearing 4, the bottom end of the rotary housing 8 is sleeved with the anti-dropping stopper, the anti-dropping stopper realizes limiting of the fastening bolt 3, the top of the anti-dropping stopper is provided with the lubricating piece, after oil stored in the lubricating piece seeps out, the oil flows to the sealed ball bearing 4 through the oil dropping hole formed in the surface of the rotary housing 8, and the upper part of the lubricating piece is connected with the heat insulating piece through the bearing piece.
Example four
On the basis of the third embodiment, in order to realize the rotation of the fastening bolt 3, the anti-disengaging stopper comprises a baffle ring 15, a side groove 26, a limiting shaft 27, an extension force arm 28, a rubber clamping strip 29, a digging groove 30, a pull rod 31 and a baffle 32, wherein an inner annular surface of the baffle ring 15 is provided with an inner thread, the outer wall of the rotary shell 8 is provided with an outer thread, the outer thread is in fit connection with the inner thread, the side grooves 26 are distributed along the outer annular surface of the baffle ring 15, the height of the side groove 26 is smaller than that of the baffle ring 15, the bottom surface of the side groove 26 is fixed with the limiting shaft 27, the limiting shaft 27 is in a 'T' -shaped cylindrical structure, the limiting shaft 27 penetrates through the extension force arm 28, and the extension force arm 28 is in a circular arc-shaped plate-shaped structure; one end of the extension arm of force 28 is provided with a rubber clamping strip 29, the extension arm of force 28 is folded up when the side groove 26, the clamping of the rubber clamping strip 29 is between the extension arm of force 28 and the side wall of the side groove 26, the outer annular surface of the extension arm of force 28 has been seted up and has been scratched the groove 30, it runs through the extension arm of force 28 to scratch the groove 30, it is provided with a pull rod 31 to scratch between two mutually parallel side walls of the groove 30, the one end that the side groove 26 is close to the spacing axle 27 is provided with a separation blade 32, the separation blade 32 is spacing to the extension arm of force 28 that takes out from the side groove 26.
EXAMPLE five
On the basis of the fourth embodiment, in order to realize lubrication of the sealed ball bearing 4, the lubricating element includes an oil storage ring 16, a seal ring four 17, a seal cover 18, a rubber block 19, an oil penetration hole 20 and a sponge adsorption ring 21, the oil storage ring 16 is an annular frame with a concave-shaped section, the oil storage ring 16 is fixed on the top surface of the baffle ring 15, two sets of seal rings four 17 are arranged on the inner annular surface of the oil storage ring 16, the seal cover 18 is installed at the notch of the oil storage ring 16, a reserved hole is formed in the surface of the seal cover 18, the rubber block 19 is installed in the reserved hole, the oil penetration hole 20 is formed in the inner annular surface of the oil storage ring 16, the oil penetration hole 20 penetrates through the inner groove body of the oil storage ring 16, and the sponge adsorption ring 21 is arranged on the outer annular surface of the inner annular plate of the oil storage ring 16.
EXAMPLE six
On the basis of the fifth embodiment, in order to realize the anti-freezing treatment of the spray liquid inside the rotary shell 8, the susceptor comprises a connecting frame 24 and a strap 25, the connecting frame 24 is in an L-shaped plate structure, a vertical plate of the connecting frame 24 is fixed on the outer wall of the oil storage ring 16 through a bolt, the strap 25 is fixed on the vertical plate of the connecting frame 24, and the strap 25 is lapped on the top surface of the oil storage ring 16; the heat preservation piece includes isolating ring 22 and heating pipe 23, and isolating ring 22 is "protruding" font ring structure, and the outside cover of isolating ring 22 is equipped with heating pipe 23, and the diaphragm of link 24 is fixed on the bottom plate of isolating ring 22, and link 24 is provided with a plurality ofly, and a plurality of links 24 are arranged along the bottom plate of isolating ring 22 and are distributed.
When the device is actually used, after the rotary shell 8 is fixed on the central rotary shaft 1, the hand-pinching pull rod 31 pulls the extension arm 28 to rotate around the limiting shaft 27, and after the extension arm 28 is blocked by the blocking piece 32, the hand-holding extension arm 28 holds the rotary shell 8 to rotate the blocking ring 15 downwards, so that the blocking ring 15 is blocked at the outer side of the fastening bolt 3, and the fastening bolt 3 is prevented from loosening; lubricating oil bodies are injected into the oil storage ring 16 by means of the needle tube puncturing rubber block 19, after the lubricating oil bodies permeate the sponge adsorption ring 21, the lubricating oil bodies seep out through the oil seepage holes 20, the leaked oil bodies are protected by the two groups of sealing rings IV 17, and the lubricating oil bodies seep to the sealing ball bearing 4 along a reserved hole formed in the surface of the rotary shell 8, so that the sealing ball bearing 4 is lubricated; the heating pipe 23 is opened in winter, and after the heating pipe 23 is started, the ambient temperature rises, so that the liquid in the rotary shell 8 is prevented from being frozen.
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 (10)
1. The utility model provides a tower machine spraying system central authorities rotary joint, includes central gyration shaft (1), its characterized in that: the water distribution box is characterized in that a rotary shell (8) is sleeved above the central rotary shaft body (1), water distribution holes (13) are formed in the rotary shell (8) in an integrated mode, two groups of water holes (13) are symmetrically formed in the surface of the central rotary shaft body (1), a water outlet connector (12) is arranged on the surface of the rotary shell (8), and a water inlet connector (14) is arranged on the surface of the central rotary shaft body (1).
2. The central rotary joint of the tower crane spraying system as claimed in claim 1, wherein: the central rotating shaft body (1) is a T-shaped cylinder, a plurality of fixing bolt holes (2) are formed in the surface of a bottom plate of the central rotating shaft body (1), a water inlet port (14) is integrally formed below the bottom plate of the central rotating shaft body (1), an annular groove is formed in the top surface of the central rotating shaft body (1), and the bottom end of the rotating shell (8) is overlapped on the bottom surface of the annular groove.
3. The central swivel joint of a tower crane spraying system as claimed in claim 2, characterized in that: the rotary shell (8) is a 'middle' shaped circular tube structure, mounting grooves are formed in the top surface of the rotary shell (8) and the bottom surface of the rotary shell (8), the mounting grooves are of an annular structure, sealing ball bearings (4) are mounted inside the mounting grooves, the inner rings of the sealing ball bearings (4) are fixed on the outer wall of the central rotary shaft body (1), and the outer rings of a group of sealing ball bearings (4) at the bottom are connected with the rotary shell (8) through fastening bolts (3).
4. The central swivel joint of a tower crane spraying system as claimed in claim 3, wherein: be provided with two sets of sealing members between central authorities 'gyration shaft body (1) and gyration casing (8), two sets of sealing members are in between two sets of sealed ball bearing (4), and two sets of sealing members are about annular catchment cavity (11) symmetric distribution, the sealing member includes sealing washer one (5), sealing washer two (6) and sealing washer three (7), sealing washer one (5), sealing washer two (6) and sealing washer three (7) all centre gripping are between central authorities' gyration shaft body (1) and gyration casing (8), the top of gyration casing (8) is connected with outside gland (10) through outside gland fixing bolt (9).
5. The central rotary joint of the tower crane spraying system as claimed in claim 1, wherein: the bottom end of the rotary shell (8) is sleeved with an anti-dropping stopper, the anti-dropping stopper realizes the limiting of the fastening bolt (3), the top of the anti-dropping stopper is provided with a lubricating piece, after oil stored in the lubricating piece seeps out, the oil flows to the sealed ball bearing (4) through an oil dripping hole formed in the surface of the rotary shell (8), and the upper part of the lubricating piece is connected with a heat preservation piece through a bearing piece.
6. The central swivel joint of a tower crane spraying system as claimed in claim 5, wherein: the anti-disengaging stopper comprises a baffle ring (15), side grooves (26), a limiting shaft (27), an extension force arm (28), a rubber clamping strip (29), a scratching groove (30), a pull rod (31) and a baffle piece (32), wherein an inner annular surface of the baffle ring (15) is provided with an internal thread, an outer wall of the rotary shell (8) is provided with an external thread, the external thread is in fit connection with the internal thread, the side grooves (26) are arranged in a plurality, the side grooves (26) are distributed along an outer annular surface of the baffle ring (15), the height of each side groove (26) is smaller than that of the baffle ring (15), the bottom surface of each side groove (26) is fixed with the limiting shaft (27), the limiting shaft (27) is of a T-shaped cylindrical structure, the limiting shaft (27) penetrates through the extension force arm (28), and the extension force arm (28) is of an arc-shaped plate-shaped structure.
7. The central swivel joint of a tower crane spraying system as claimed in claim 6, wherein: the utility model discloses a limit groove (26) and a limit groove (28) are drawn together to the extension arm of force, the one end of extending arm of force (28) is provided with rubber holding strip (29), extend arm of force (28) and fold up when limit groove (26), the centre gripping of rubber holding strip (29) is extending between arm of force (28) and limit groove (26) lateral wall, the outer anchor ring that extends arm of force (28) has been seted up and has been scratched groove (30), it runs through extension arm of force (28) to scratch groove (30), it is provided with pull rod (31) to scratch between two lateral walls that are parallel to each other in groove (30), the one end that limit shaft (27) are close to in limit groove (26) is provided with separation blade (32), separation blade (32) are spacing to the extension arm of force (28) of taking out from limit groove (26).
8. The central swivel joint of a tower crane spraying system as claimed in claim 7, wherein: the lubricating part comprises an oil storage ring (16), four sealing rings (17), a sealing cover (18), a rubber block (19), an oil seepage hole (20) and a sponge adsorption ring (21), the oil storage ring (16) is an annular frame with a concave-shaped section, the oil storage ring (16) is fixed on the top surface of the baffle ring (15), two groups of the four sealing rings (17) are arranged on the inner annular surface of the oil storage ring (16), the sealing cover (18) is installed at the notch of the oil storage ring (16), a reserved hole is formed in the surface of the sealing cover (18), the rubber block (19) is installed in the reserved hole, the oil seepage hole (20) is formed in the inner annular surface of the oil storage ring (16), the oil seepage hole (20) penetrates through the inner groove body of the oil storage ring (16), and the sponge adsorption ring (21) is arranged on the outer annular surface of the inner annular plate of the oil storage ring (16).
9. The central swivel joint of a tower crane spraying system as claimed in claim 8, wherein: the susceptor comprises a connecting frame (24) and a lapping plate (25), wherein the connecting frame (24) is of an L-shaped plate structure, a vertical plate of the connecting frame (24) is fixed on the outer wall of the oil storage ring (16) through a bolt, the lapping plate (25) is fixed on the vertical plate of the connecting frame (24), and the lapping plate (25) is lapped on the top surface of the oil storage ring (16).
10. The central rotary joint of the tower crane spraying system as claimed in claim 9, wherein: the heat preservation piece includes isolating ring (22) and heating pipe (23), and isolating ring (22) are "protruding" font ring structure, and the outside cover of isolating ring (22) is equipped with heating pipe (23), and the diaphragm of link (24) is fixed on the bottom plate of isolating ring (22), and link (24) are provided with a plurality ofly, and a plurality of links (24) are arranged along the bottom plate of isolating ring (22) and are distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211359251.XA CN115532457B (en) | 2022-11-02 | 2022-11-02 | Central swivel joint of tower crane spraying system |
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| CN115532457B CN115532457B (en) | 2024-06-14 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4577892A (en) * | 1982-09-09 | 1986-03-25 | Voest-Alpine Aktiengesellschaft | Arrangement for supplying a pressurized liquid to a rotating machine part |
| US20020043800A1 (en) * | 2000-07-25 | 2002-04-18 | Fmc Technologies, Inc. | High pressure product swivel |
| CN102022598A (en) * | 2009-09-14 | 2011-04-20 | 江阴市长龄液压机具厂 | Hydraulic central rotary joint |
| CN103307383A (en) * | 2012-03-15 | 2013-09-18 | 川圆科技股份有限公司 | Rotatable multidirectional pipe joint |
| CN205155412U (en) * | 2015-11-19 | 2016-04-13 | 中建八局第二建设有限公司 | Ware is sealed to rotation type |
| CN208474737U (en) * | 2018-07-10 | 2019-02-05 | 福建省闽旋科技股份有限公司 | A kind of high speed water rotary joint |
| CN216952119U (en) * | 2022-01-14 | 2022-07-12 | 连云港华泰石油化工机械有限公司 | Corrosion-resistant rotary joint for strong acid |
-
2022
- 2022-11-02 CN CN202211359251.XA patent/CN115532457B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4577892A (en) * | 1982-09-09 | 1986-03-25 | Voest-Alpine Aktiengesellschaft | Arrangement for supplying a pressurized liquid to a rotating machine part |
| US20020043800A1 (en) * | 2000-07-25 | 2002-04-18 | Fmc Technologies, Inc. | High pressure product swivel |
| CN102022598A (en) * | 2009-09-14 | 2011-04-20 | 江阴市长龄液压机具厂 | Hydraulic central rotary joint |
| CN103307383A (en) * | 2012-03-15 | 2013-09-18 | 川圆科技股份有限公司 | Rotatable multidirectional pipe joint |
| CN205155412U (en) * | 2015-11-19 | 2016-04-13 | 中建八局第二建设有限公司 | Ware is sealed to rotation type |
| CN208474737U (en) * | 2018-07-10 | 2019-02-05 | 福建省闽旋科技股份有限公司 | A kind of high speed water rotary joint |
| CN216952119U (en) * | 2022-01-14 | 2022-07-12 | 连云港华泰石油化工机械有限公司 | Corrosion-resistant rotary joint for strong acid |
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| CN115532457B (en) | 2024-06-14 |
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