CN106437775B - scraper device and concrete wet spraying machine - Google Patents
scraper device and concrete wet spraying machine Download PDFInfo
- Publication number
- CN106437775B CN106437775B CN201611108946.5A CN201611108946A CN106437775B CN 106437775 B CN106437775 B CN 106437775B CN 201611108946 A CN201611108946 A CN 201611108946A CN 106437775 B CN106437775 B CN 106437775B
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- Prior art keywords
- scraper
- arm
- mounting seat
- fixed
- telescopic
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- 239000004567 concrete Substances 0.000 title claims abstract description 23
- 238000005507 spraying Methods 0.000 title claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000005422 blasting Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000003825 pressing Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011381 foam concrete Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Cleaning In General (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The application discloses kind of scraper means, including the scraper blade, its characterized in that still includes with the fixed festival arm articulated mount pad of flexible arm, scraper blade fixed mounting be in on the mount pad, the mount pad for fixed festival arm rotates and makes the scraper blade is close to or keeps away from the flexible festival arm of flexible arm install elastic component on the fixed festival arm, elastic component with the mount pad is connected, elastic component is used for the pulling the mount pad to flexible festival arm rotates, makes the scraper blade with the surface contact of flexible festival arm, this application has still disclosed kind of concrete wet blasting machine that has adopted this scraper means.
Description
Technical Field
The application relates to engineering machine tool technical field, especially relates to kind of scraper means, and this application still relates to kind and has adopted the concrete wet blasting machine of the scraper means that this application provided.
Background
The boom system of the concrete wet spraying machine is provided with a telescopic boom in order to enlarge the construction range, wherein the telescopic boom comprises a fixed knuckle boom and a telescopic knuckle boom, the telescopic knuckle boom is sleeved inside the fixed knuckle boom and guided by a sliding plate or a guide wheel, and the fixed knuckle boom, the sliding plate, the guide wheel and the telescopic knuckle boom are easy to wear due to the high telescopic frequency of the telescopic knuckle boom.
At the in-process of concrete wet blasting machine work, the concrete of injection or other debris can drop on flexible knuckle arm, if not in time clear up, the concrete adheres to on flexible knuckle arm easily to make flexible knuckle arm be taken into fixed knuckle arm inside at flexible in-process, aggravate the wearing and tearing of fixed knuckle arm, flexible knuckle arm, slide and guide pulley, make the life of flexible arm reduce.
In order to solve the above problems, in the prior art, a scraper 03 is fixedly installed on a fixed knuckle arm 01 of a telescopic arm, and the scraper 03 contacts with an outer surface of a telescopic knuckle arm 02, so that when the telescopic knuckle arm contracts, the scraper can remove concrete or sundries dropping on the telescopic knuckle arm, so as to avoid the influence of the concrete or sundries dropping on the telescopic knuckle arm on the service life of the telescopic arm, as shown in fig. 1.
However, in the actual use process, after the telescopic arm works for a long time, a gap exists between the scraper and the telescopic knuckle arm, so that the cleaning effect on concrete or sundries falling on the telescopic knuckle arm is influenced.
Disclosure of Invention
In order to solve the above technical problems, an th object of the present invention is to provide a kind of scraper device, which can make the scraper always contact with the telescopic arm, and effectively avoid the effect of removing concrete or sundries dropping on the telescopic arm due to the gap between the scraper and the telescopic arm after the telescopic arm works for a long time, and a kind of concrete wet spraying machine using the scraper device.
The technical scheme provided by the invention is as follows:
kind of scraper means, including the scraper blade, its characterized in that still includes the mount pad with the fixed festival arm articulated of flexible arm, the scraper blade fixed mounting be in on the mount pad, the mount pad for fixed festival arm rotates and makes the scraper blade be close to or keep away from the flexible festival arm of flexible arm install elastic component on the fixed festival arm, elastic component with the mount pad is connected, elastic component is used for the pulling the mount pad to the surface of flexible festival arm rotates, makes the scraper blade with the surface contact of flexible festival arm.
Preferably, the mounting seat is hinged to the fixed joint arm, specifically, a fixing seat is fixedly mounted on the fixed joint arm, the mounting seat is hinged to an end of the fixing seat far away from the fixed joint arm, the mounting seat is hinged to a side of the fixing seat close to the telescopic joint arm, and the elastic component is mounted on the fixing seat.
Preferably, the elastic assembly comprises a pull rod connected with the mounting seat, the pull rod penetrates through the fixing seat, a spring is sleeved on the pull rod, an -th limiting component is further arranged on the pull rod, the end of the spring is in contact with the side of the fixing seat far away from the mounting seat, the other end of the spring is in contact with the -th limiting component, and the spring is in a compressed state.
Preferably, the pull rod is connected with the mounting seat specifically, a mounting hole is formed in the mounting seat, the pull rod penetrates through the mounting hole, a second limiting portion is arranged at the end of the pull rod, which is far away from the -th limiting component, and the second limiting portion is in contact with the mounting seat.
Preferably, the pull rod is a bolt, the th limiting part is a nut mounted on the bolt, a washer is further arranged between the nut and the spring, and the washer is sleeved on the bolt.
Preferably, a protective sleeve is arranged on the fixed seat at the side far away from the mounting seat, and the pull rod, the limiting component and the spring are arranged in the protective sleeve.
Preferably, the scraper is fixedly mounted on the mounting seat, specifically, a fixing bolt is fixedly mounted on the mounting seat, a positioning hole is formed in the scraper, and the fixing bolt penetrates through the positioning hole and is fixed on the mounting seat.
Preferably, the positioning hole is a kidney-shaped hole, and the fixing bolt can slide in the kidney-shaped hole so that the scraper is close to the telescopic knuckle arm.
Preferably, a pressing plate is sleeved on the fixing bolt and is in contact with the scraper, and the pressing plate is in contact with the head of the fixing bolt.
The invention also provides concrete wet blasting machines, which is characterized in that the boom system of the concrete wet blasting machine adopts the scraper device of any items.
According to the scraper device provided by the invention, the scraper is arranged on the mounting seat, the mounting seat is hinged with the fixed knuckle arm, and under the pulling action of the elastic component, the mounting seat rotates, so that the scraper fixedly arranged on the mounting seat rotates towards the telescopic knuckle arm, and the scraper always abuts against the telescopic knuckle arm. When the scraper is worn and torn after being used for a long time, the scraper can be tightly close to the telescopic knuckle arm under the pulling of the elastic component, and the cleaning effect of concrete or sundries falling on the telescopic knuckle arm due to the gap between the scraper and the telescopic knuckle arm after the telescopic knuckle arm works for a long time is effectively avoided.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only the embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a prior art squeegee mounted on a telescoping arm;
FIG. 2 is a schematic structural diagram of a squeegee assembly according to an embodiment of the invention;
fig. 3 is a view a-a in fig. 2.
Detailed Description
For those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application , rather than all embodiments.
As shown in fig. 2 and fig. 3, an kinds of scraper devices are provided in an embodiment of the present invention, including a scraper 3, and further including a mounting base 4 hinged to a fixed knuckle arm 1 of a telescopic arm, the scraper 3 is fixedly mounted on the mounting base 4, the mounting base 4 is rotated relative to the fixed knuckle arm 1 so that the scraper 3 is close to or away from the telescopic arm 2, an elastic component 5 is mounted on the fixed knuckle arm 1, the elastic component 5 is connected to the mounting base 3, and the elastic component 5 is used for pulling the mounting base 4 to pull the telescopic knuckle arm 2 to rotate, so that the scraper 3 contacts with a surface of the telescopic knuckle arm 2.
Among the prior art, the scraper blade is fixed on fixed festival arm, when the scraper blade was just installed on fixed festival arm, the edge and the flexible festival arm contact of scraper blade, when flexible festival arm carries out flexible operation for fixed festival arm, the surface of flexible festival arm can be scraped to the scraper blade to concrete or debris that will drop on flexible festival arm surface are scraped, concrete on avoiding flexible festival arm gets into the aggravation slide that leads to in the fixed festival arm along with the shrink of flexible festival arm, the guide pulley goes on, the wearing and tearing of fixed festival arm and flexible festival arm. The scraper blade can rub with concrete or other debris at the in-process of work, and long-time use can make the edge wearing and tearing of scraper blade and flexible festival arm contact for there is the clearance between the edge of scraper blade and the flexible festival arm, and under this condition, the scraper blade will receive very big influence to the effect of scraping off of concrete or debris on the flexible festival arm.
Aiming at the problems in the prior art, in the scraper device provided by the embodiment of the invention, as the installation seat 4 and the elastic component 5 are arranged, the installation seat 4 is hinged with the fixed knuckle arm 1, the scraper 3 is installed on the installation seat 4, when the installation seat 4 rotates relative to the fixed knuckle arm 1, the scraper 3 approaches to the telescopic knuckle arm 2, the elastic component 5 is installed on the fixed knuckle arm 1, the elastic component 5 is connected with the installation seat 4, the elastic component 5 provides pulling forces to the installation seat 4, under the action of the pulling forces, the installation seat 4 rotates and drives the scraper 3 to rotate until the scraper 3 contacts with the telescopic knuckle arm 2, when the scraper 3 contacts with the telescopic knuckle arm 2, the pulling force of the elastic component 5 can enable the scraper to be in a state of contacting with the telescopic knuckle arm 2, even if the scraper 3 has an edge abrasion phenomenon in the use process, the scraper 3 can enable the edge of the scraper 3 to contact with the telescopic knuckle arm 2 under the action of the pulling forces of the elastic component 5, and the phenomenon that a gap is generated between the scraper 3 and the telescopic knuckle arm 2 after the scraper is used for a long time is effectively avoided, thereby improving the.
In the embodiment of the invention, the mounting seat 4 is hinged to the fixed joint arm 1, specifically, the fixed joint arm 1 is fixedly provided with the fixed seat 6, the mounting seat 4 is hinged to the end, far away from the fixed joint arm 1, of the fixed seat 6, the mounting seat 4 is hinged to the side, close to the telescopic joint arm 2, of the fixed seat 6, and the elastic component 5 is mounted on the fixed seat 6. since the telescopic joint arm 2 is arranged in the fixed joint arm 1, the distance between the fixed joint arm 1 and the telescopic joint arm 2 is small, when the mounting seat 4 is mounted on the fixed joint arm 1, the angle formed between the scraper 3 and the telescopic joint arm 2 is too small, not only is the cleaning effect of the scraper 3 on the telescopic joint arm 2 greatly influenced, but also the setting of the elastic component 5 is limited, therefore, in the embodiment of the invention, the mounting seat 6 is arranged, the distance between the mounting seat 4 and the telescopic joint arm 2 can be increased, the mounting seat 4 can have a large rotation range, the angle formed between the scraper 3 and the surface of the telescopic joint arm 2 can be more beneficial to the surface of the telescopic joint arm 2, and the elastic component 5 can be further optimized.
The elastic assembly 5 in the embodiment of the present invention preferably includes a pull rod 51 connected to the mounting seat 4, the extension rod 51 passes through the fixing seat 6, a spring 52 is sleeved on the pull rod 51, an -th limiting component 53 is further disposed on the pull rod 51, an end of the spring 52 contacts with a side of the fixing seat 6 away from the mounting seat 4, another end of the spring 52 contacts with the -th limiting component 53, and the spring 52 is in a compressed state.
The fixed seat 6 is fixedly connected with the fixed knuckle arm 1, the spring 52 is sleeved on the pull rod 51, the end of the spring 52 is in contact with the fixed seat 6, the other end of the spring 52 is in contact with the limiting part 53, namely, the spring 52 is in a compressed state under the action of the fixed seat 6 and the limiting part 53, the spring 52 in the compressed state can give 53 force to the limiting part 53, so that the pull rod 51 tends to move leftwards in the state shown in fig. 3, because the pull rod 51 passes through the fixed seat 6, and the end of the pull rod 51 far away from the limiting part 53 is connected with the mounting seat 4, therefore, under the action of the spring 52, the mounting seat 4 rotates towards the telescopic knuckle arm 2, and because the scraper 3 is fixedly mounted on the mounting seat 4, the scraper 3 is tightly attached to the telescopic knuckle arm 2 under the action of the spring 52, when the edge of the scraper 3 is worn, the pull rod 51 moves leftwards in the state shown in fig. 3, so that the scraper 3 is close to the telescopic arm 2 to eliminate the gap between the scraper 3 and the telescopic.
Preferably, the pull rod 51 is connected with the mounting seat 4, the mounting seat 4 is provided with a mounting hole 41, the pull rod 51 penetrates through the mounting hole 41, the end of the pull rod 51, which is far away from the -th limiting part 53, is provided with a second limiting part 54, and the second limiting part 54 is in contact with the mounting seat 4.
In the embodiment of the invention, the pull rod 51 is preferably a bolt, the th limiting part 53 is a nut mounted on the bolt, a washer 55 is further arranged between the nut and the spring, and the washer 55 is sleeved on the bolt. the specific operation during mounting is as follows, firstly, the screw rod of the bolt sequentially passes through the mounting hole on the mounting seat 4, so that the head of the bolt is contacted with the mounting seat 4, then, the screw rod of the bolt passes through the fixing seat 6, so that the screw rod reaches the side of the fixing seat 6 far away from the mounting seat 4, then, the spring 52 is sleeved on the screw rod, then, the washer 55 is sleeved on the washer 55, finally, the spring 52 in a compressed state is compressed by the nut, so that the whole screw rod moves towards the side of the washer 55, and in the moving process of the screw rod, the mounting seat 4 is driven to rotate, so that the scraper 3 fixed on the mounting seat 4.
In order to avoid the problem that the spring 52 is exposed to the air and concrete may fall on the spring 52 when the telescopic arm works, so that the spring 52 cannot work normally, in the embodiment of the present invention, a protective sleeve 7 is disposed on the side of the fixed seat 6 away from the mounting seat 4, and the pull rod 51, the limiting part 53 and the spring 52 are disposed in the protective sleeve 7.
The elastic component 5 in the embodiment of the present invention may also be a spring directly, that is, the end of the spring is connected to the mounting seat 4, and the other end of the spring is connected to the fixing seat 6, where the spring and the mounting seat 4 are on the same side.
In the embodiment of the present invention, it is particularly preferable that the scraper 3 is fixedly mounted on the mounting seat 4, a fixing bolt is mounted on the mounting seat 4, a positioning hole is formed in the scraper 3, and the fixing bolt 8 is fixed on the mounting seat 4 through the positioning hole. The scraper 3 is fixed on the mounting seat 4 through the fixing bolt 8, so that the scraper 3 is convenient to mount.
Wherein, the locating hole is waist type hole, and fixing bolt 8 can slide in waist type hole to make scraper blade 3 be close to flexible knuckle arm 2. Along with the wearing and tearing of scraper blade 3, when spring 52 is in normal condition, if still there is the clearance between scraper blade 3 and the flexible knuckle arm 2, at this moment, make spring 52 be in compression state through adjusting scraper blade 3, specifically, not hard up fixing bolt 8, remove scraper blade 3 and make fixing bolt 8 remove in the locating hole, pull rod 51 this moment for spring 52 is in compression state, and when guaranteeing scraper blade 3 and flexible knuckle arm 2 contact, will fasten scraper blade 3 through fixing bolt 8.
In the embodiment of the invention, in order to enhance the fastening effect of the fixing bolt 8 on the scraper 3, the fixing bolt 8 is sleeved with the pressing plate 9, the pressing plate 9 is in contact with the scraper 3, and the pressing plate 9 is in contact with the head of the fixing bolt.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
Claims (8)
- The scraper device comprises a scraper (3) and is characterized by further comprising a mounting seat (4) hinged to a fixed knuckle arm (1) of a telescopic arm, wherein the scraper (3) is fixedly mounted on the mounting seat (4), the mounting seat (4) rotates relative to the fixed knuckle arm (1) to enable the scraper (3) to be close to or far away from a telescopic knuckle arm (2) of the telescopic arm, an elastic component (5) is mounted on the fixed knuckle arm (1), the elastic component (5) is connected with the mounting seat (4), and the elastic component (5) is used for pulling the mounting seat (4) to rotate towards the telescopic knuckle arm (2) to enable the scraper (3) to be in surface contact with the telescopic knuckle arm (2) and form an angle therebetween;a fixed seat (6) is fixedly mounted on the fixed knuckle arm (1), the elastic component (5) comprises a pull rod (51) connected with the mounting seat (4), the pull rod (51) penetrates through the fixed seat (6), a spring (52) is sleeved on the pull rod (51), an -th limiting part (53) is further arranged on the pull rod (51), the end of the spring (52) is in contact with the side of the fixed seat (6) far away from the mounting seat (4), the other end of the spring (52) is in contact with the -th limiting part (53), and the spring (52) is in a compressed state,mount pad (4) with fixed festival arm (1) articulates specifically to do, mount pad (4) articulate fixing base (6) are kept away from the end of fixed festival arm (1), just mount pad (4) articulate fixing base (6) lean on the side that flexible festival arm (2) are flexible, install elastic component (5) on fixing base (6).
- 2. The scraper device of claim 1, characterized in that the draw bar (51) is connected with the mounting seat (4) by a mounting hole (41) arranged on the mounting seat (4), the draw bar (51) passes through the mounting hole (41), a second limiting part (54) is arranged at the end of the draw bar (51) far away from the -th limiting part (53), and the second limiting part (54) is contacted with the mounting seat (4).
- 3. The squeegee apparatus of claim 2, wherein the pull rod (51) is a bolt, the -th limiting member (53) is a nut mounted on the bolt, and a washer (55) is further disposed between the nut and the spring, the washer (55) being fitted over the bolt.
- 4. Scraper device according to claim 1, characterized in that a protective sleeve (7) is arranged on the fixed seat (6) on the side remote from the mounting seat (4), the pull rod (51), the -th limiting part (53) and the spring (52) being placed in the protective sleeve (7).
- 5. The scraper device as claimed in claim 1, characterized in that the scraper (3) is fixedly mounted on the mounting seat, in particular, a fixing bolt (8) is fixedly mounted on the mounting seat (4), a positioning hole is arranged on the scraper (3), and the fixing bolt (8) passes through the positioning hole and is fixed on the mounting seat (4).
- 6. The scraper device of claim 5, characterized in that the positioning hole is a kidney-shaped hole, in which the fixing bolt (8) can slide to bring the scraper (3) close to the articulated arm (2).
- 7. The squeegee apparatus according to claim 6, wherein a pressure plate (9) is sleeved on the fixing bolt (8), the pressure plate (9) is in contact with the squeegee (3), and the pressure plate (9) is in contact with a head of the fixing bolt (8).
- The concrete wet spraying machine of 8, , characterized in that, the boom system of the concrete wet spraying machine adopts the scraper device of any of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611108946.5A CN106437775B (en) | 2016-12-06 | 2016-12-06 | scraper device and concrete wet spraying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611108946.5A CN106437775B (en) | 2016-12-06 | 2016-12-06 | scraper device and concrete wet spraying machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106437775A CN106437775A (en) | 2017-02-22 |
| CN106437775B true CN106437775B (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611108946.5A Active CN106437775B (en) | 2016-12-06 | 2016-12-06 | scraper device and concrete wet spraying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106437775B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320364B (en) * | 2021-12-21 | 2024-07-30 | 洛阳中铁强力机械有限公司 | Tunnel spouts anchor auxiliary trolley |
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2016
- 2016-12-06 CN CN201611108946.5A patent/CN106437775B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106437775A (en) | 2017-02-22 |
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