CN112065057A - Passive truss telescopic mechanism of concrete spreader - Google Patents
Passive truss telescopic mechanism of concrete spreader Download PDFInfo
- Publication number
- CN112065057A CN112065057A CN202010986553.4A CN202010986553A CN112065057A CN 112065057 A CN112065057 A CN 112065057A CN 202010986553 A CN202010986553 A CN 202010986553A CN 112065057 A CN112065057 A CN 112065057A
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- CN
- China
- Prior art keywords
- truss
- pulley block
- telescopic
- passive
- concrete spreader
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- 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.)
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0445—Devices for both conveying and distributing with distribution hose with booms
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0436—Devices for both conveying and distributing with distribution hose on a mobile support, e.g. truck
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a passive truss telescoping mechanism of a concrete spreader, which comprises a machine body and a crawler chassis, wherein a telescoping mechanism group is arranged at the right upper end of the machine body, the telescoping mechanism group consists of a main truss, a second truss, a third truss and a fourth truss, the main truss is erected on the machine body, the second truss is arranged on the main truss, the third truss is slidably sleeved in the second truss, the fourth truss is slidably sleeved in the third truss, a fixing column is arranged on the second truss, a first pulley block and a fourth pulley block are arranged on the third truss, a second pulley block and a third pulley block are arranged on the fourth truss, a second steel wire rope is sleeved on the first pulley block and the second pulley block, and a first steel wire rope is sleeved on the fourth pulley block and the third pulley block. The three-section telescopic truss structure is passively telescopic, the friction resistance of the three-section telescopic truss in the telescopic process is weakened, the energy loss is reduced, and the telescopic efficiency of the three-section telescopic truss is improved.
Description
Technical Field
The invention belongs to the technical field of engineering machinery, and particularly relates to a passive truss telescopic mechanism of a concrete spreader.
Background
The crawler-type concrete spreader is widely applied to a concrete casting process in a construction project, and a mud pump pipeline conveying type concrete spreader is adopted in common building construction.
The utility model discloses a self-propelled crawler-type concrete spreader in notice number CN209066892U, including self-propelled crawler chassis, hydraulic pressure base station is connected with self-propelled crawler chassis, and self-propelled crawler-type concrete spreader still includes lift cylinder, flexible frame subassembly, takes conveying component, pay-off subassembly, and the pay-off subassembly includes pay-off conveyer belt, drive wheel, follows driving wheel, changes to the drum set spare.
However, most of the passive truss telescoping mechanisms of the existing concrete spreader do not have a structure that a main truss is provided with three telescopic trusses, and do not have two steel wire ropes that four groups of pulley blocks, one group of fixed columns and a sliding sleeve are arranged on the three telescopic truss structure, so that passive telescoping of the three telescopic truss structure cannot be realized, friction resistance of the three telescopic trusses in a telescoping process is large, energy loss is large, and telescoping efficiency of the three telescopic trusses is reduced integrally.
Disclosure of Invention
The invention aims to provide a passive truss telescopic mechanism of a concrete spreader, which solves the problems that in the prior art, a three-section telescopic truss structure cannot be passively telescopic, and the energy loss is large due to large friction resistance in the telescopic process.
In order to achieve the purpose, the invention provides the following technical scheme: a passive truss telescoping mechanism of a concrete spreader comprises a machine body and a crawler chassis arranged on a working ground, wherein the crawler chassis can realize the integral movement of the machine body and an upper telescopic truss, the right upper end of the machine body is provided with a telescoping mechanism group, the telescoping mechanism group consists of a main truss, a second truss, a third truss and a fourth truss, the main truss is fixedly arranged on the machine body, the left end of the second truss is fixedly arranged on the main truss, the third truss is slidably sleeved in the second truss, the fourth truss is slidably sleeved in the third truss, the second truss is provided with a fixed column, the third truss is provided with a first pulley block and a fourth pulley block, the fourth truss is provided with a second pulley block and a third pulley block, the second truss is provided with a first telescoping groove, the third truss is slidably sleeved with the first telescoping groove, and a second telescopic groove is formed in the third truss, and the fourth truss is in sliding sleeve joint with the second telescopic groove.
Preferably, the first pulley block and the second pulley block are sleeved with a second steel wire rope, the fourth pulley block and the third pulley block are sleeved with a first steel wire rope, the steel wire ropes are twisted into twisted wire rope bodies in the shape of twisted rods through steel twisted steel wire ropes made of stainless steel materials, and the twisted wire rope bodies are durable, corrosion-resistant, high in strength and high in tensile strength.
Preferably, the interior cell wall face of first flexible groove is provided with first smooth layer, the interior cell wall face of the flexible groove of second is provided with the smooth layer of second, and two smooth layers are graphite powder density rubber coating layer, evenly scribble it on two flexible inslot walls, treat the postcondensation stable bonding, and the surface on graphite powder density rubber coating layer has lubricated smoothness nature, and is durable, can weaken the frictional resistance when the truss slides greatly.
Preferably, the fixed columns are two and are respectively arranged at the upper end corner and the lower end corner of the depression plane at the right end of the second truss, and the tail ends of the steel wire ropes are welded and fixed on the fixed columns.
Preferably, the number of the first pulley block, the second pulley block, the third pulley block and the fourth pulley block is two respectively, the first pulley block, the second pulley block, the third pulley block and the fourth pulley block are arranged in an up-down symmetrical mode by taking a overlooking transverse central axis of the second truss as a center, guide rope grooves are formed in rolling wheels of the four pulley blocks, and the steel wire rope can be stably guided and sleeved in the guide rope grooves.
Compared with the prior art, the invention has the beneficial effects that:
through set up three section telescopic truss structure on the main truss to be provided with four group's assembly pulleys and a set of fixed column at three section telescopic truss structurally, the slip cover is equipped with two kinds of wire rope respectively on four group's assembly pulleys, has realized that three section telescopic truss structure can carry out passive form and stretch out and draw back, combines the smooth layer structure that sets up in two flexible inslots moreover, has weakened the frictional resistance of three section telescopic truss in flexible in-process greatly, reduces energy loss, has improved three section telescopic truss's flexible efficiency greatly.
Drawings
FIG. 1 is a schematic elevation view of the overall structure of the present invention;
fig. 2 is a top view structural diagram of the telescopic mechanism set of the present invention.
In the figure: the device comprises a working ground 1, a machine body 2, a crawler chassis 21, a telescopic mechanism group 3, a main truss 31, a second truss 4, a first telescopic groove 41, a first smooth layer 411, a third truss 5, a second telescopic groove 51, a second smooth layer 511, a first pulley block 52, a fourth pulley block 53, a fourth truss 6, a second pulley block 61, a third pulley block 62, a fixed column 7, a first steel wire rope 8 and a second steel wire rope 9.
Detailed Description
Referring to fig. 1 and 2, a passive truss telescoping mechanism of a concrete spreader includes a body 2, the body 2 is a self-propelled crawler-type concrete spreader disclosed in publication No. CN209066892U, and a crawler chassis 21 disposed on a working ground 1, a telescoping mechanism group 3 is disposed at the right upper end of the body 2, the telescoping mechanism group 3 is composed of a main truss 31, a second truss 4, a third truss 5, and a fourth truss 6, the main truss 31 is fixedly welded on the body 2, and the left end of the second truss 4 is fixedly welded on the main truss 31.
Referring to fig. 1 and 2, a third truss 5 is slidably sleeved in a second truss 4, a fourth truss 6 is slidably sleeved in the third truss 5, fixing columns 7 are welded on the second truss 4, the two fixing columns 7 are respectively welded and fixed at upper and lower corners of a top view plane of the right end of the second truss 4, a first pulley block 52 and a fourth pulley block 53 are installed on the third truss 5 through screws, a second pulley block 61 and a third pulley block 62 are installed on the fourth truss 6 through screws, a second steel wire 9 is sleeved on the first pulley block 52 and the second pulley block 61, a first steel wire 8 is sleeved on the fourth pulley block 53 and the third pulley block 62, the number of the first pulley block 52, the second pulley block 61, the third pulley block 62 and the fourth pulley block 53 is two, and the first pulley block 52, the second pulley block 61, the third pulley block 62 and the fourth pulley block 53 are vertically symmetrical to each other with a horizontal central axis of the second truss 4.
Referring to fig. 2, a first telescopic slot 41 is formed on the second truss 4, the third truss 5 is slidably sleeved with the first telescopic slot 41, and a first smooth layer 411 is bonded to an inner slot wall of the first telescopic slot 41.
Referring to fig. 2, a second telescopic slot 51 is formed on the third truss 5, the fourth truss 6 is slidably sleeved with the second telescopic slot 51, and a second smooth layer 511 is bonded to an inner slot wall of the second telescopic slot 51.
The working principle of the scheme is as follows: through the flexible truss structure of three sections in this patent figure 2, can be under the condition that does not use pneumatic cylinder power, it is flexible to realize passive form, moreover, first smooth layer 411 and the smooth layer 511 of second are graphite powder density rubber coating, its surface has lubricated smoothness nature, and is durable, can effectively weaken the sliding friction resistance of third truss 5 and fourth truss 6 respectively in the flexible groove 51 of second and first flexible groove 41, reduce the energy loss, the whole flexible efficiency that has improved the flexible truss of three sections greatly.
Claims (7)
1. The utility model provides a passive form truss telescopic machanism of concrete spreader, includes organism (2) to and locate track chassis (21) on work ground (1), its characterized in that: a telescopic mechanism group (3) is arranged at the upper end of the machine body (2), the telescopic mechanism group (3) is composed of a main truss (31), a second truss (4), a third truss (5) and a fourth truss (6), the main truss (31) is fixedly arranged on the machine body (2), one end of the second truss (4) is fixedly arranged on the main truss (31), the third truss (5) is slidably sleeved in the second truss (4), the fourth truss (6) is slidably sleeved in the third truss (5), a fixing column (7) is arranged on the second truss (4), a first pulley block (52) and a fourth pulley block (53) are arranged on the third truss (5), a second pulley block (61) and a third pulley block (62) are arranged on the fourth truss (6), a second steel wire rope (9) is sleeved on the first pulley block (52) and the second pulley block (61), the fourth pulley block (53) and the third pulley block (62) are sleeved with a first steel wire rope (8).
2. The passive truss telescoping mechanism of the concrete spreader as claimed in claim 1, wherein: a first telescopic groove (41) is formed in the second truss (4), and the third truss (5) is in sliding sleeve connection with the first telescopic groove (41).
3. The passive truss telescoping mechanism of the concrete spreader as claimed in claim 2, wherein: and a first smooth layer (411) is arranged on the inner groove wall surface of the first telescopic groove (41).
4. The passive truss telescoping mechanism of the concrete spreader as claimed in claim 1, wherein: and a second telescopic groove (51) is formed in the third truss (5), and the fourth truss (6) is in sliding sleeve joint with the second telescopic groove (51).
5. The passive truss telescoping mechanism of the concrete spreader as claimed in claim 4, wherein: and a second smooth layer (511) is arranged on the inner groove wall surface of the second telescopic groove (51).
6. The passive truss telescoping mechanism of the concrete spreader as claimed in claim 1, wherein: the two fixing columns (7) are arranged at the upper end corner and the lower end corner of the depression plane at the right end of the second truss (4) respectively.
7. The passive truss telescoping mechanism of the concrete spreader as claimed in claim 1, wherein: the number of the first pulley block (52), the second pulley block (61), the third pulley block (62) and the fourth pulley block (53) is two respectively, and the first pulley block, the second pulley block, the third pulley block and the fourth pulley block are arranged up and down symmetrically by taking a overlooking transverse central axis of the second truss (4) as a center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986553.4A CN112065057A (en) | 2020-09-18 | 2020-09-18 | Passive truss telescopic mechanism of concrete spreader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986553.4A CN112065057A (en) | 2020-09-18 | 2020-09-18 | Passive truss telescopic mechanism of concrete spreader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112065057A true CN112065057A (en) | 2020-12-11 |
Family
ID=73681822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010986553.4A Pending CN112065057A (en) | 2020-09-18 | 2020-09-18 | Passive truss telescopic mechanism of concrete spreader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112065057A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115385035A (en) * | 2022-09-17 | 2022-11-25 | 南通联源机电科技股份有限公司 | Efficient and sealed plate feeder carrier roller |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB238179A (en) * | 1924-08-05 | 1925-11-12 | Ransome Concrete Machinery Co | Improvement in apparatus for hoisting and distributing loose material |
| CN2351417Y (en) * | 1999-01-12 | 1999-12-01 | 费海燕 | Crane multi-section telescopic cantilever crane |
| CN2460659Y (en) * | 2000-12-12 | 2001-11-21 | 曹跃生 | Self-propelled concrete belt-type distributing machine |
| CN201272660Y (en) * | 2008-07-10 | 2009-07-15 | 彭洪 | Tower frame of floor suspension-paving machine |
| CN102398864A (en) * | 2011-07-12 | 2012-04-04 | 长沙中联重工科技发展股份有限公司 | Telescopic mechanism, engineering machinery and fire-fighting machinery |
| CN205381629U (en) * | 2016-01-06 | 2016-07-13 | 安徽华宏机械设备有限公司 | Retractable belt type conveyor |
| CN106049877A (en) * | 2016-07-29 | 2016-10-26 | 中建三局集团有限公司 | Elastic-inner-wall anti-plugging concrete high-pressure delivery pump pipe and application method thereof |
| CN109184219A (en) * | 2018-11-07 | 2019-01-11 | 南通联源机电科技股份有限公司 | A kind of voluntarily crawler type concrete spreader |
-
2020
- 2020-09-18 CN CN202010986553.4A patent/CN112065057A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB238179A (en) * | 1924-08-05 | 1925-11-12 | Ransome Concrete Machinery Co | Improvement in apparatus for hoisting and distributing loose material |
| CN2351417Y (en) * | 1999-01-12 | 1999-12-01 | 费海燕 | Crane multi-section telescopic cantilever crane |
| CN2460659Y (en) * | 2000-12-12 | 2001-11-21 | 曹跃生 | Self-propelled concrete belt-type distributing machine |
| CN201272660Y (en) * | 2008-07-10 | 2009-07-15 | 彭洪 | Tower frame of floor suspension-paving machine |
| CN102398864A (en) * | 2011-07-12 | 2012-04-04 | 长沙中联重工科技发展股份有限公司 | Telescopic mechanism, engineering machinery and fire-fighting machinery |
| CN205381629U (en) * | 2016-01-06 | 2016-07-13 | 安徽华宏机械设备有限公司 | Retractable belt type conveyor |
| CN106049877A (en) * | 2016-07-29 | 2016-10-26 | 中建三局集团有限公司 | Elastic-inner-wall anti-plugging concrete high-pressure delivery pump pipe and application method thereof |
| CN109184219A (en) * | 2018-11-07 | 2019-01-11 | 南通联源机电科技股份有限公司 | A kind of voluntarily crawler type concrete spreader |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115385035A (en) * | 2022-09-17 | 2022-11-25 | 南通联源机电科技股份有限公司 | Efficient and sealed plate feeder carrier roller |
| CN115385035B (en) * | 2022-09-17 | 2023-10-13 | 南通联源机电科技股份有限公司 | Efficient sealing plate feeder carrier roller |
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Application publication date: 20201211 |