CN107620482B - Manual hole digging pile protective baffle - Google Patents
Manual hole digging pile protective baffle Download PDFInfo
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- CN107620482B CN107620482B CN201710314358.5A CN201710314358A CN107620482B CN 107620482 B CN107620482 B CN 107620482B CN 201710314358 A CN201710314358 A CN 201710314358A CN 107620482 B CN107620482 B CN 107620482B
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- motor
- guide
- semicircular baffle
- wheel
- baffle
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- 230000001681 protective effect Effects 0.000 title abstract description 11
- 238000007906 compression Methods 0.000 claims description 7
- 239000002344 surface layer Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Earth Drilling (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a protective baffle for a manual hole digging pile, which comprises a first semicircular baffle and a second semicircular baffle, wherein second guide grooves are formed in the upper portion of a straight line section of the first semicircular baffle and the lower portion of a straight line section of the second semicircular baffle, a first motor is installed at one end above the first semicircular baffle, a second motor is installed at the other end above the first semicircular baffle, a third motor is installed at one end below the second semicircular baffle, a fourth motor is installed at the other end below the second semicircular baffle, jacking screw rods are arranged at the outer side ends of the first motor, the second motor, the third motor and the fourth motor, first guide grooves are formed in the upper portion of an arc section of the first semicircular baffle and the lower portion of the arc section of the second semicircular baffle, and a moving wheel is arranged inside each first guide groove. The manual hole digging pile protection baffle greatly saves labor intensity and better protects the life safety of workers.
Description
Technical Field
The invention relates to the technical field of building construction safety protection, in particular to a protective baffle for a manual hole digging pile.
Background
In the fast era of the development of the current building industry, no matter in the urban building industry or in the traffic facility building industry, because the construction site is often large-scale equipment and large-scale buildings, the safety problem of the construction site becomes the central importance in the construction process, in many buildings, the construction quality of the pile foundation is related to the quality problem of the whole building, although the existing technologized pile driver equipment is very advanced, the machine cannot normally operate and only can manually dig holes in complex terrains or pile foundation positions where the pile driver cannot meet the requirement of aperture, but during manual hole digging operation, an operator digs the foundation at the bottom of the pile foundation, sundries can fall off from the top at any time to influence the construction operation and even endanger the life safety of the operator, so that a protective baffle is produced in the market at present, and the protective baffle is a simple semicircular steel plate, the arc-shaped position of the baffle is erected at the top end of the pile foundation breast wall, an operator digs the foundation under the baffle, but the existing protective baffle is very thick and heavy, when the protective baffle moves to another operation surface, the baffle is moved to another operation surface by means of simultaneous operation of a crane and a worker, time and labor are consumed, and in the moving process, the operator is likely to be injured due to the narrow hole family; when using traditional guard flap operation, because pile foundation dado concrete is interim dado, when the supporting baffle, the baffle is directly placed in the upper end of dado concrete, falls very easily, causes the injury to operating personnel.
Disclosure of Invention
The invention aims to provide a protective baffle for a manual hole digging pile, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a protective baffle for a manual hole digging pile comprises a first semicircular baffle and a second semicircular baffle, wherein the first semicircular baffle and the second semicircular baffle are hinged through a flap, a second guide groove is formed in the upper portion of a straight line section of the first semicircular baffle and the lower portion of a straight line section of the second semicircular baffle, a second guide wheel supporting body is arranged inside the second guide groove, two ends of the bottom of the second guide wheel supporting body are rotatably connected with second guide wheels, a first motor is installed at one end above the first semicircular baffle and is fixedly installed above the second guide wheel supporting body, a second motor is installed at the other end above the first semicircular baffle and is fixedly installed above the second guide wheel supporting body, a third motor is installed at one end below the second semicircular baffle and is fixedly installed below the second guide wheel supporting body, a fourth motor is installed at the other end below the second semicircular baffle plate and is fixedly installed below the second guide wheel support body, a jacking lead screw is arranged at the outer side ends of the first motor, the second motor, the third motor and the fourth motor, manual adjusting discs are fixedly installed at the outer side walls of the jacking lead screws at the outer side ends of the first motor, the second motor, the third motor and the fourth motor, control switches are installed at the inner side ends of the first motor, the second motor, the third motor and the fourth motor, first guide blocks are arranged on the jacking lead screws at the outer sides of the first motor and the second motor, a second guide block is arranged at one side of the first guide block, a third guide block is arranged on the jacking lead screws at the outer sides of the third motor and the fourth motor, a fourth guide block is arranged at one side of the third guide block, and handles are fixedly installed on the arc-shaped section surface layers of the first semicircular baffle plate and the second semicircular baffle plate, the utility model discloses a semi-circle baffle, including first semi-circle baffle arc-shaped section upper portion and second semi-circle baffle, the arc-shaped section lower part of first semi-circle baffle all is provided with first guide way, the inside of first guide way is provided with removes the wheel, it comprises first leading wheel supporter, resistance to compression buffer spring, shaft, wheel body, race, wheel body supporter, spring groove, tensile buffer spring and first leading wheel to remove the wheel, first leading wheel rotates the upper end both sides of connecting at first leading wheel supporter, the wheel body supporter sets up the below at first leading wheel supporter, tensile buffer spring fixed connection is between wheel supporter and first leading wheel supporter, resistance to compression buffer spring installs at the spring inslot, the wheel body passes through the shaft and rotates the lower extreme of connecting at the wheel body supporter, the observation window has all been seted up to the up of first semi-circle baffle and second semi-circle baffle.
Preferably, the number of the moving wheels arranged on the first semicircular baffle plate and the second semicircular baffle plate is not less than five.
Preferably, the number of the loose leaves is three.
Preferably, the height of the moving wheel is greater than the width of the motor.
Preferably, the outer side of the jacking screw rod is provided with screw rod external threads, and the inner sides of the first guide block, the second guide block, the third guide block and the fourth guide block are provided with guide block internal threads.
Compared with the prior art, the invention has the beneficial effects that: this manual hole digging pile guard board is through pushing into the lead screw, with very firm fastening of guard board on the concrete dado, through the rotation that removes the wheel, very convenient change work area, great saving intensity of labour, better protection workman's life safety.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the first and second semi-circular shutters of the present invention in a collapsed state;
FIG. 3 is a schematic view of the first and second semicircular baffles of the present invention in a flat state;
FIG. 4 is a schematic view of the moving wheel of the present invention;
FIG. 5 is a schematic view of a second guide wheel according to the present invention;
FIG. 6 is a schematic view of the jacking screw rod of the present invention.
In the figure: the device comprises a jacking screw rod 1, a first guide block 2, a hinge 3, a second guide block 4, a manual adjusting disc 5, a first motor 6, a control switch 7, a first semicircular baffle 8, a handle 9, a second semicircular baffle 10, a second motor 11, a third motor 12, a fourth motor 13, a third guide block 14, a fourth guide block 15, a screw thread 16, an internal thread 17, an observation window 18, a movable wheel 19, a first guide wheel support body 191, a first guide groove 192, a compression-resistant buffer spring 193, a wheel shaft 194, a wheel body 195, a wheel groove 196, a wheel body 197 support body, a spring groove 198, a tension-resistant buffer spring 199, a first guide wheel 1910, a second guide wheel 20, a second guide wheel support body 21 and a second guide groove 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-6, the present invention provides a technical solution: a protective baffle for an artificial hole digging pile comprises a first semicircular baffle 8 and a second semicircular baffle 10, wherein the first semicircular baffle 8 is hinged with the second semicircular baffle 10 through a flap 3, the number of the flaps 3 is three, the upper part of a straight line section of the first semicircular baffle 8 and the lower part of the straight line section of the second semicircular baffle 10 are both provided with a second guide groove 22, a second guide wheel support body 21 is arranged inside the second guide groove 22, both ends of the bottom of the second guide wheel support body 21 are rotatably connected with a second guide wheel 20, one end of the upper part of the first semicircular baffle 8 is provided with a first motor 6, the first motor 6 is fixedly arranged above the second guide wheel support body 21, the other end of the upper part of the first semicircular baffle 8 is provided with a second motor 11, the second motor 11 is fixedly arranged above the second guide wheel support body 21, one end of the lower part of the second semicircular baffle 10 is provided with a third motor 12, a third motor 12 is fixedly arranged below a second guide wheel supporting body 21, a fourth motor 13 is arranged at the other end below the second semicircular baffle plate 10, the fourth motor 13 is fixedly arranged below the second guide wheel supporting body 21, jacking lead screws 1 are respectively arranged at the outer side ends of the first motor 6, the second motor 11, the third motor 12 and the fourth motor 13, lead screw external threads 16 are arranged at the outer sides of the jacking lead screws 1, manual adjusting discs 5 are respectively fixedly arranged at the outer side ends of the first motor 6, the second motor 11, the third motor 12 and the fourth motor 13 on the outer side wall of the jacking lead screw 1, control switches 7 are respectively arranged at the inner side ends of the first motor 6, the second motor 11, the third motor 12 and the fourth motor 13, the jacking screw rod 1 outside the first motor 6 and the second motor 11 is provided with a first guide block 2, one side of the first guide block 2 is provided with a second guide block 4, the jacking screw rod 1 outside the third motor 12 and the fourth motor 13 is provided with a third guide block 14, one side of the third guide block 14 is provided with a fourth guide block 15, the arc-shaped section surface layers of the first semicircular baffle 8 and the second semicircular baffle 10 are fixedly provided with a handle 9, the arc-shaped section upper part of the first semicircular baffle 8 and the arc-shaped section lower part of the second semicircular baffle 10 are provided with a first guide groove 192, the inside of the first guide groove 192 is provided with a moving wheel 19, the moving wheels 19 arranged on the first semicircular baffle 8 and the second semicircular baffle 10 are not less than five, the height of the moving wheel 19 is larger than the width of the motor, and the moving wheel 19 is composed of a first guide wheel support 191, a second guide wheel support 191, a third guide block 4 and a fourth guide block 14, The anti-compression buffer spring 193, the wheel shaft 194, the wheel body 195, the wheel groove 196, the wheel body supporting body 197, the spring groove 198, the anti-tension buffer spring 199 and the first guide wheel 1910 are arranged, the first guide wheel 1910 is rotatably connected to two sides of the upper end of the first guide wheel supporting body 191, the wheel body supporting body 197 is arranged below the first guide wheel supporting body 191, the anti-tension buffer spring 199 is fixedly connected between the wheel body supporting body 197 and the first guide wheel supporting body 191, the anti-compression buffer spring 193 is arranged in the spring groove 198, the wheel body 195 is rotatably connected to the lower end of the wheel body supporting body 197 through the wheel shaft 194, and the observation windows 18 are formed in the upper end surfaces of the first semicircular baffle plate 8 and the second semicircular baffle plate 10.
The working principle is as follows: when using, the operation workman erects first semicircle baffle 8 and the fifty percent discount of second semicircle baffle 10 board, erects second semicircle baffle 10 in the upper end of pile foundation dado concrete through removing wheel 19, think both sides through first motor 6, second motor 11, third motor 12 and fourth motor 13 and extend the jacking lead screw 1, will jack the lead screw 1 and push up on the concrete dado, when changing the work area, withdraw jacking lead screw 1, rotate first semicircle baffle 8 and second semicircle baffle 10 to the opposite side through removing wheel 19.
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 (5)
1. The utility model provides a manual hole digging pile guard flap, includes first semicircle baffle (8) and second semicircle baffle (10), its characterized in that: the first semicircular baffle (8) is hinged with the second semicircular baffle (10) through a flap (3), a second guide groove (22) is formed in the upper portion of a straight line section of the first semicircular baffle (8) and the lower portion of the straight line section of the second semicircular baffle (10), a second guide wheel support body (21) is arranged inside the second guide groove (22), second guide wheels (20) are rotatably connected to the two ends of the bottom of the second guide wheel support body (21), a first motor (6) is installed at one end of the upper portion of the first semicircular baffle (8), the first motor (6) is fixedly installed above the second guide wheel support body (21), a second motor (11) is installed at the other end of the upper portion of the first semicircular baffle (8), the second motor (11) is fixedly installed above the second guide wheel support body (21), a third motor (12) is installed at one end of the lower portion of the second semicircular baffle (10), a third motor (12) is fixedly arranged below a second guide wheel supporting body (21), a fourth motor (13) is arranged at the other end below the second semicircular baffle plate (10), the fourth motor (13) is fixedly arranged below the second guide wheel supporting body (21), the outer side ends of the first motor (6), the second motor (11), the third motor (12) and the fourth motor (13) are respectively provided with a jacking screw rod (1), manual adjusting discs (5) are respectively and fixedly arranged on the outer side wall of the jacking screw rod (1) at the outer side ends of the first motor (6), the second motor (11), the third motor (12) and the fourth motor (13), control switches (7) are respectively arranged at the inner side ends of the first motor (6), the second motor (11), the third motor (12) and the fourth motor (13), first guide blocks (2) are respectively arranged on the jacking screw rods (1) at the outer sides of the first motor (6) and the second motor (11), a second guide block (4) is arranged on one side of the first guide block (2), a third guide block (14) is arranged on the jacking screw rod (1) outside the third motor (12) and the fourth motor (13), a fourth guide block (15) is arranged on one side of the third guide block (14), handles (9) are fixedly mounted on arc-shaped section surface layers of the first semicircular baffle plate (8) and the second semicircular baffle plate (10), first guide grooves (192) are arranged on the upper portion of the arc-shaped section of the first semicircular baffle plate (8) and the lower portion of the arc-shaped section of the second semicircular baffle plate (10), a moving wheel (19) is arranged inside the first guide grooves (192), and the moving wheel (19) is composed of a first guide wheel support body (191), a pressure-resistant buffer spring (193), a wheel shaft (194), a wheel body (195), a wheel groove (196), a wheel body (197), The anti-compression buffer spring comprises a spring groove (198), a tensile buffer spring (199) and a first guide wheel (1910), wherein the first guide wheel (1910) is rotatably connected to two sides of the upper end of a first guide wheel supporting body (191), the wheel body supporting body (197) is arranged below the first guide wheel supporting body (191), the tensile buffer spring (199) is fixedly connected between the wheel body supporting body (197) and the first guide wheel supporting body (191), the anti-compression buffer spring (193) is arranged in the spring groove (198), the wheel body (195) is rotatably connected to the lower end of the wheel body supporting body (197) through a wheel shaft (194), and observation windows (18) are formed in the upper end faces of the first semicircular baffle plate (8) and the second semicircular baffle plate (10).
2. The guard fence for the artificial dug pile according to claim 1, wherein: the number of the moving wheels (19) arranged on the first semicircular baffle (8) and the second semicircular baffle (10) is not less than five.
3. The guard fence for the artificial dug pile according to claim 1, wherein: the number of the loose leaves (3) is three.
4. The guard fence for the artificial dug pile according to claim 1, wherein: the height of the moving wheel (19) is larger than the width of the motor.
5. The guard fence for the artificial dug pile according to claim 1, wherein: the outer side of the jacking screw rod (1) is provided with screw rod external threads (16), and the inner sides of the first guide block (2), the second guide block (4), the third guide block (14) and the fourth guide block (15) are provided with guide block internal threads (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710314358.5A CN107620482B (en) | 2017-05-06 | 2017-05-06 | Manual hole digging pile protective baffle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710314358.5A CN107620482B (en) | 2017-05-06 | 2017-05-06 | Manual hole digging pile protective baffle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107620482A CN107620482A (en) | 2018-01-23 |
| CN107620482B true CN107620482B (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710314358.5A Expired - Fee Related CN107620482B (en) | 2017-05-06 | 2017-05-06 | Manual hole digging pile protective baffle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107620482B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108018857A (en) * | 2017-12-19 | 2018-05-11 | 吴保康 | A kind of artificial digging pile steelframe structure protective baffle plate |
| CN114922557B (en) * | 2022-05-26 | 2023-10-20 | 中国电建集团成都勘测设计研究院有限公司 | Protection device and hole digging method for underground operation of manual hole digging pile |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1060894A (en) * | 1996-08-19 | 1998-03-03 | Shinko Kigyo Kk | Earth retaining temporary device of excavated hole for manhole |
| CN202194123U (en) * | 2011-08-16 | 2012-04-18 | 中国十九冶集团有限公司 | Protection system for pile hole excavated by manual work |
| CN202209056U (en) * | 2011-09-06 | 2012-05-02 | 甘肃第一建设集团有限责任公司 | Underground safety shield of manual hole digging pile |
| CN202430722U (en) * | 2012-01-20 | 2012-09-12 | 华铁工程咨询有限责任公司 | Assembled-type manpower hole digging protection device |
| CN205000661U (en) * | 2015-08-18 | 2016-01-27 | 五冶集团上海有限公司 | Stake hole overlay |
| CN205012341U (en) * | 2015-08-17 | 2016-02-03 | 中建五局第三建设有限公司 | Horizontal protector in interim entrance to a cave drives piles |
| CN205171498U (en) * | 2015-11-27 | 2016-04-20 | 中建四局第三建筑工程有限公司 | Novel manual hole digging pile protection network |
| CN205369963U (en) * | 2016-01-14 | 2016-07-06 | 中建四局第一建筑工程有限公司 | Vertical safety protection reinforcing bar of manual hole digging pile net piece |
| CN205776221U (en) * | 2016-06-23 | 2016-12-07 | 中铁十二局集团有限公司 | The portable protective baffle plate of artificial digging pile |
-
2017
- 2017-05-06 CN CN201710314358.5A patent/CN107620482B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1060894A (en) * | 1996-08-19 | 1998-03-03 | Shinko Kigyo Kk | Earth retaining temporary device of excavated hole for manhole |
| CN202194123U (en) * | 2011-08-16 | 2012-04-18 | 中国十九冶集团有限公司 | Protection system for pile hole excavated by manual work |
| CN202209056U (en) * | 2011-09-06 | 2012-05-02 | 甘肃第一建设集团有限责任公司 | Underground safety shield of manual hole digging pile |
| CN202430722U (en) * | 2012-01-20 | 2012-09-12 | 华铁工程咨询有限责任公司 | Assembled-type manpower hole digging protection device |
| CN205012341U (en) * | 2015-08-17 | 2016-02-03 | 中建五局第三建设有限公司 | Horizontal protector in interim entrance to a cave drives piles |
| CN205000661U (en) * | 2015-08-18 | 2016-01-27 | 五冶集团上海有限公司 | Stake hole overlay |
| CN205171498U (en) * | 2015-11-27 | 2016-04-20 | 中建四局第三建筑工程有限公司 | Novel manual hole digging pile protection network |
| CN205369963U (en) * | 2016-01-14 | 2016-07-06 | 中建四局第一建筑工程有限公司 | Vertical safety protection reinforcing bar of manual hole digging pile net piece |
| CN205776221U (en) * | 2016-06-23 | 2016-12-07 | 中铁十二局集团有限公司 | The portable protective baffle plate of artificial digging pile |
Non-Patent Citations (1)
| Title |
|---|
| 超深、超大直径人工挖孔桩施工实践;王宏杰等;《西部探矿工程》;20140430;第5-9页 * |
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