CN109112973A - A kind of Bridge guardrail auxiliary installation cart - Google Patents
A kind of Bridge guardrail auxiliary installation cart Download PDFInfo
- Publication number
- CN109112973A CN109112973A CN201811184466.6A CN201811184466A CN109112973A CN 109112973 A CN109112973 A CN 109112973A CN 201811184466 A CN201811184466 A CN 201811184466A CN 109112973 A CN109112973 A CN 109112973A
- Authority
- CN
- China
- Prior art keywords
- guardrail
- support plate
- casing
- block
- supporting block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009434 installation Methods 0.000 title claims abstract description 19
- 230000003028 elevating effect Effects 0.000 claims abstract description 27
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The present invention relates to a kind of Bridge guardrail cart more particularly to a kind of Bridge guardrail auxiliary installation carts.Technical problem are as follows: provide it is a kind of can reduce labor intensity, the Bridge guardrail that can prevent arm from aching auxiliary installation cart.A kind of Bridge guardrail auxiliary installation cart, includes sweep, wheel, supporting block, support plate, casing, straight sliding rail, the first sliding block, elevating lever, teeth, card key, cross bar, pull ring, tension spring, external member etc.；The bottom of sweep is connected with wheel, and the right side at the top of sweep is hingedly connected with supporting block, and support plate is connected at the top of supporting block, and the left side of supporting block is connected with casing.Guardrail ontology by being placed on the top of support plate by the present invention, and it is located at guardrail ontology in U-shaped card set, guardrail ontology can be so fixed, from without manually guardrail ontology is fixed with hand, and then it can reduce labor intensity, and can prevent arm from aching, can so be convenient for that manually Bridge guardrail being installed.
Description
Technical field
The present invention relates to a kind of Bridge guardrail cart more particularly to a kind of Bridge guardrail auxiliary installation carts.
Background technique
In order to improve the safety of pedestrian, needs that guardrail is installed in the left and right sides of bridge thus, carried out at present to guardrail
When installation, usually manually guardrail is carried out on side that is vertical and placing bridge, while manually guardrail is fixed with hand, with
Guardrail installation is carried out afterwards, and so artificial labor intensity is larger, and artificial long-time is fixed guardrail with hand, and arm is easy
Ache, in order to reduce artificial labor intensity, manually can make object that guardrail be fixed vertically, then be installed, but is logical
It crosses object to be installed, when object is encountered in artificial movement, is easy to make object movement, to will cause guardrail offset.
Summary of the invention
In order to overcome work that guardrail is fixed with hand, guardrail installation is then carried out, so artificial labor intensity is larger,
And artificial long-time is fixed guardrail with hand, arm is easy the shortcomings that aching, technical problem are as follows: providing one kind can reduce
Labor intensity, the Bridge guardrail that can prevent arm from aching auxiliary installation cart.
A kind of Bridge guardrail auxiliary installation cart includes sweep, wheel, supporting block, support plate, casing, straight sliding rail, the
One sliding block, elevating lever, teeth, card key, cross bar, pull ring, tension spring, external member, support rod and U-shaped card set, the bottom of sweep are connected with
Wheel, the right side at the top of sweep are hingedly connected with supporting block, and support plate is connected at the top of supporting block, and the left side of supporting block connects
It is connected to casing, through-hole is provided on the left of cannula tip, the bottom in casing is connected with straight sliding rail, and it is sliding that straight sliding rail is equipped with first
Block is connected with elevating lever at the top of the first sliding block, and the top of elevating lever is evenly spaced to be connected with multiple teeth, is equipped in through-hole
Card key, card key and teeth cooperate, and are connected with cross bar at the top of card key, pull ring, the bottom of cross bar and set are connected at the top of cross bar
There are two tension springs, the left end of elevating lever to be connected with external member, support rod is connected at the top of external member for connection between the top of pipe, supports
The top of bar is connected with U-shaped card set.
It further, further include having the second sliding block, limit plate, nut and ball screw, the right side at the top of support plate is provided with cunning
Slot, sliding slot is interior to be equipped with the second sliding block, and limit plate is connected at the top of the second sliding block, is connected with nut, nut position at the top of support plate
In the left side of sliding slot, the left side rotary type of limit plate is connected with ball screw, and ball screw is located in nut.
Further, further include having swing seat, snap-gauge and spring, be respectively connected with swing at left and right sides of the top in U-shaped card set
Seat, is hingedly connected with snap-gauge in swing seat, is connected with spring between the lateral surface of two snap-gauges and the medial surface of U-shaped card set.
It further, further include having bearing block, shaft, shaking tray, reel, rope and weight, the bottom of support rod is connected with
Bearing block is connected with shaft in bearing block, and the left end of shaft is connected with shaking tray, and the right end of shaft is connected with reel, reel
On be wound with rope, the bottom end of rope is connected with weight.
When needing using the present invention, the present invention is first manually moved to suitable position, then manually uses hand swinging support
Plate makes itself and ground face contact, then manually pulls pull ring that cross bar is made to move right to the right with hand, and tension spring is upheld therewith, cross bar to
It moves right and card key is driven to remove in teeth to the right, then manually move up and down elevating lever with hand, elevating lever moves up and down drive set
Part moves up and down, and external member moves up and down U-shaped card set up and down through support rod, when U-shaped card set is moved up and down to suitable position
It postpones, unclamps pull ring, card key can be made to be caught in corresponding teeth to the left under the elastic force effect of tension spring, it so can be to lifting
Bar is fixed, and so as to which U-shaped card set is fixed, guardrail ontology is then manually placed on to the top of support plate, and
It is located at guardrail ontology in U-shaped card set, guardrail ontology can be so fixed, from without manually being carried out with hand to guardrail
It is fixed, and then can reduce labor intensity, and can prevent arm from aching, it can so be convenient for manually pacifying Bridge guardrail
Dress.
Ball screw manually is rotated clockwise or counterclockwise with hand, can so ball screw be made to move left and right, bulb spiral shell
Bar, which moves left and right, drives limit plate to move left and right, and after limit plate is moved left and right to suitable position, manually stop operating bulb spiral shell
Bar can limit guardrail ontology by limit plate, so guardrail ontology can be made vertical, so as to further to shield
Column ontology is fixed.
When needing for guardrail ontology to be fixed, manually with hand, two snap-gauges in mobile left and right, spring are pressed therewith outward
Then guardrail ontology is put into U-shaped card set, then unclamps snap-gauge, can make left and right two under the effect of spring force by contracting
Snap-gauge is mutually drawn close, and so guardrail ontology can be fixed, and is manually installed to Bridge guardrail so as to convenient.
When needing to detect guardrail ontology vertical extent, manually rotating clockwise shaking tray turns shaft clockwise
Dynamic, shaft, which rotates clockwise, rotates clockwise reel, and reel, which rotates clockwise, can release rope, in weight gravity
Rope can be made vertical under effect, it so can be convenient for manually being detected to guardrail ontology vertical extent, when guardrail ontology hangs down
After the completion of straight degree detecting, shaking tray manually is rotated counterclockwise with hand, it so can be by cable winds in reel, so as to just
In carry out next time using.
The invention has the following advantages that guardrail ontology is by being placed on the top of support plate by the present invention, and make guardrail sheet
Body is located in U-shaped card set, so guardrail ontology can be fixed, from without manually being consolidated with hand to guardrail ontology
It is fixed, and then can reduce labor intensity, and can prevent arm from aching, it can so be convenient for manually pacifying Bridge guardrail
Dress, is moved left and right by limit plate and is limited to guardrail ontology, by that rope can be made vertical under the action of weight gravity,
It can so be convenient for manually detecting guardrail ontology vertical extent.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention.
Fig. 2 is the first partial structure diagram of the invention.
Fig. 3 is second of partial structure diagram of the invention.
Fig. 4 is the third partial structure diagram of the invention.
Fig. 5 is the 4th kind of partial structure diagram of the invention.
Parts title and serial number in figure: 1 sweep, 2 wheels, 3 supporting blocks, 4 support plates, 401 sliding slots, 5 casings,
501 through-holes, 6 straight sliding rails, 601 first sliding blocks, 7 elevating levers, 701 teeth, 8 card keys, 9 cross bars, 10 pull rings, 11 draw
Spring, 12 external members, 13 support rods, 14 U-shaped card sets, 15 second sliding blocks, 16 limit plates, 17 nuts, 18 ball screws, 19
Swing seat, 20 snap-gauges, 21 springs, 22 bearing blocks, 23 shafts, 24 shaking trays, 25 reels, 26 ropes, 27 weights, 28
Guardrail ontology.
Specific embodiment
Technical solution of the present invention is described further with reference to the accompanying drawing.
Embodiment 1
A kind of Bridge guardrail auxiliary installation cart includes as shown in Figs. 1-5 sweep 1, wheel 2, supporting block 3, support plate 4, set
Pipe 5, straight sliding rail 6, the first sliding block 601, elevating lever 7, teeth 701, card key 8, cross bar 9, pull ring 10, tension spring 11, external member 12, support
Bar 13 and U-shaped card set 14, the bottom of sweep 1 are connected with wheel 2, and the right side at 1 top of sweep is hingedly connected with supporting block 3, supports
The top of block 3 is connected with support plate 4, and the left side of supporting block 3 is connected with casing 5, and the left side at 5 top of casing is provided with through-hole 501,
Bottom in casing 5 is connected with straight sliding rail 6, and straight sliding rail 6 is equipped with the first sliding block 601, and the top of the first sliding block 601 is connected with liter
Bar 7 drops, and the top of elevating lever 7 is evenly spaced to be connected with multiple teeth 701, is equipped with card key 8, card key 8 and teeth in through-hole 501
701 cooperations, the top of card key 8 are connected with cross bar 9, and the top of cross bar 9 is connected with pull ring 10, the bottom of cross bar 9 and the top of casing 5
There are two tension springs 11, the left end of elevating lever 7 to be connected with external member 12 for connection between portion, and the top of external member 12 is connected with support rod 13,
The top of support rod 13 is connected with U-shaped card set 14.
Embodiment 2
A kind of Bridge guardrail auxiliary installation cart includes as shown in Figs. 1-5 sweep 1, wheel 2, supporting block 3, support plate 4, set
Pipe 5, straight sliding rail 6, the first sliding block 601, elevating lever 7, teeth 701, card key 8, cross bar 9, pull ring 10, tension spring 11, external member 12, support
Bar 13 and U-shaped card set 14, the bottom of sweep 1 are connected with wheel 2, and the right side at 1 top of sweep is hingedly connected with supporting block 3, supports
The top of block 3 is connected with support plate 4, and the left side of supporting block 3 is connected with casing 5, and the left side at 5 top of casing is provided with through-hole 501,
Bottom in casing 5 is connected with straight sliding rail 6, and straight sliding rail 6 is equipped with the first sliding block 601, and the top of the first sliding block 601 is connected with liter
Bar 7 drops, and the top of elevating lever 7 is evenly spaced to be connected with multiple teeth 701, is equipped with card key 8, card key 8 and teeth in through-hole 501
701 cooperations, the top of card key 8 are connected with cross bar 9, and the top of cross bar 9 is connected with pull ring 10, the bottom of cross bar 9 and the top of casing 5
There are two tension springs 11, the left end of elevating lever 7 to be connected with external member 12 for connection between portion, and the top of external member 12 is connected with support rod 13,
The top of support rod 13 is connected with U-shaped card set 14.
It further include having the second sliding block 15, limit plate 16, nut 17 and ball screw 18, the right side at 4 top of support plate is provided with
Sliding slot 401, sliding slot 401 is interior to be equipped with the second sliding block 15, and the top of the second sliding block 15 is connected with limit plate 16, connects at the top of support plate 4
It is connected to nut 17, nut 17 is located at the left side of sliding slot 401, and the left side rotary type of limit plate 16 is connected with ball screw 18, ball
Head screw rod 18 is located in nut 17.
Embodiment 3
A kind of Bridge guardrail auxiliary installation cart includes as shown in Figs. 1-5 sweep 1, wheel 2, supporting block 3, support plate 4, set
Pipe 5, straight sliding rail 6, the first sliding block 601, elevating lever 7, teeth 701, card key 8, cross bar 9, pull ring 10, tension spring 11, external member 12, support
Bar 13 and U-shaped card set 14, the bottom of sweep 1 are connected with wheel 2, and the right side at 1 top of sweep is hingedly connected with supporting block 3, supports
The top of block 3 is connected with support plate 4, and the left side of supporting block 3 is connected with casing 5, and the left side at 5 top of casing is provided with through-hole 501,
Bottom in casing 5 is connected with straight sliding rail 6, and straight sliding rail 6 is equipped with the first sliding block 601, and the top of the first sliding block 601 is connected with liter
Bar 7 drops, and the top of elevating lever 7 is evenly spaced to be connected with multiple teeth 701, is equipped with card key 8, card key 8 and teeth in through-hole 501
701 cooperations, the top of card key 8 are connected with cross bar 9, and the top of cross bar 9 is connected with pull ring 10, the bottom of cross bar 9 and the top of casing 5
There are two tension springs 11, the left end of elevating lever 7 to be connected with external member 12 for connection between portion, and the top of external member 12 is connected with support rod 13,
The top of support rod 13 is connected with U-shaped card set 14.
It further include having the second sliding block 15, limit plate 16, nut 17 and ball screw 18, the right side at 4 top of support plate is provided with
Sliding slot 401, sliding slot 401 is interior to be equipped with the second sliding block 15, and the top of the second sliding block 15 is connected with limit plate 16, connects at the top of support plate 4
It is connected to nut 17, nut 17 is located at the left side of sliding slot 401, and the left side rotary type of limit plate 16 is connected with ball screw 18, ball
Head screw rod 18 is located in nut 17.
Further include having swing seat 19, snap-gauge 20 and spring 21, is respectively connected with swing at left and right sides of the top in U-shaped card set 14
Seat 19, is hingedly connected with snap-gauge 20 in swing seat 19, connects between the lateral surface of two snap-gauges 20 and the medial surface of U-shaped card set 14
There is spring 21.
Embodiment 4
A kind of Bridge guardrail auxiliary installation cart includes as shown in Figs. 1-5 sweep 1, wheel 2, supporting block 3, support plate 4, set
Pipe 5, straight sliding rail 6, the first sliding block 601, elevating lever 7, teeth 701, card key 8, cross bar 9, pull ring 10, tension spring 11, external member 12, support
Bar 13 and U-shaped card set 14, the bottom of sweep 1 are connected with wheel 2, and the right side at 1 top of sweep is hingedly connected with supporting block 3, supports
The top of block 3 is connected with support plate 4, and the left side of supporting block 3 is connected with casing 5, and the left side at 5 top of casing is provided with through-hole 501,
Bottom in casing 5 is connected with straight sliding rail 6, and straight sliding rail 6 is equipped with the first sliding block 601, and the top of the first sliding block 601 is connected with liter
Bar 7 drops, and the top of elevating lever 7 is evenly spaced to be connected with multiple teeth 701, is equipped with card key 8, card key 8 and teeth in through-hole 501
701 cooperations, the top of card key 8 are connected with cross bar 9, and the top of cross bar 9 is connected with pull ring 10, the bottom of cross bar 9 and the top of casing 5
There are two tension springs 11, the left end of elevating lever 7 to be connected with external member 12 for connection between portion, and the top of external member 12 is connected with support rod 13,
The top of support rod 13 is connected with U-shaped card set 14.
It further include having the second sliding block 15, limit plate 16, nut 17 and ball screw 18, the right side at 4 top of support plate is provided with
Sliding slot 401, sliding slot 401 is interior to be equipped with the second sliding block 15, and the top of the second sliding block 15 is connected with limit plate 16, connects at the top of support plate 4
It is connected to nut 17, nut 17 is located at the left side of sliding slot 401, and the left side rotary type of limit plate 16 is connected with ball screw 18, ball
Head screw rod 18 is located in nut 17.
Further include having swing seat 19, snap-gauge 20 and spring 21, is respectively connected with swing at left and right sides of the top in U-shaped card set 14
Seat 19, is hingedly connected with snap-gauge 20 in swing seat 19, connects between the lateral surface of two snap-gauges 20 and the medial surface of U-shaped card set 14
There is spring 21.
It further include having bearing block 22, shaft 23, shaking tray 24, reel 25, rope 26 and weight 27, the bottom of support rod 13
It is connected with bearing block 22, shaft 23 is connected in bearing block 22, the left end of shaft 23 is connected with shaking tray 24, and the right end of shaft 23 connects
It is connected to reel 25, rope 26 is wound on reel 25, the bottom end of rope 26 is connected with weight 27.
When needing using the present invention, the present invention is first manually moved to suitable position, then manually uses hand swinging support
Plate 4 makes itself and ground face contact, then manually pulls pull ring 10 that cross bar 9 is made to move right to the right with hand, and tension spring 11 is upheld therewith,
Cross bar 9, which moves right, drives card key 8 to remove in teeth 701 to the right, then manually moves up and down elevating lever 7 with hand, on elevating lever 7
Lower mobile drive external member 12 moves up and down, and external member 12 moves up and down U-shaped card set 14 up and down through support rod 13, when U-shaped
Cutting ferrule 14 is moved up and down to suitable position, unclamps pull ring 10, card key 8 can be made to be caught in the left under the elastic force effect of tension spring 11
In corresponding teeth 701, elevating lever 7 can be so fixed, so as to which U-shaped card set 14 is fixed, with descendant
Guardrail ontology 28 is placed on the top of support plate 4 by work, and is located at guardrail ontology 28 in U-shaped card set 14, so can be to shield
Column ontology 28 is fixed, and from without manually guardrail is fixed with hand, and then can reduce labor intensity, and can prevent
Only arm is ached, and can so be convenient for manually installing Bridge guardrail.
Ball screw 18 manually is rotated clockwise or counterclockwise with hand, so ball screw 18 can be made to move left and right, ball
Head screw rod 18, which moves left and right, drives limit plate 16 to move left and right, artificial to stop after limit plate 16 is moved left and right to suitable position
Ball screw 18 is rotated, guardrail ontology 28 can be limited by limit plate 16, can so make guardrail ontology 28 vertical,
So as to which further guardrail ontology 28 is fixed.
When needing for guardrail ontology 28 to be fixed, two snap-gauges 20 in left and right, spring 21 are manually moved outward with hand
It compresses therewith, then guardrail ontology 28 is put into U-shaped card set 14, snap-gauge 20 is then unclamped, under the action of 21 elastic force of spring
Two 20 phases of snap-gauge in left and right can be made to draw close, guardrail ontology 28 can be so fixed, so as to convenient manually to bridge
Beam guardrail is installed.
When needing to detect 28 vertical extent of guardrail ontology, manually rotating clockwise shaking tray 24 makes 23 up time of shaft
Needle rotation, shaft 23, which rotates clockwise, rotates clockwise reel 25, and reel 25, which rotates clockwise, can release rope 26,
Rope 26 can be made vertical under the action of 27 gravity of weight, it so can be convenient for manually to the progress of 28 vertical extent of guardrail ontology
Detection manually rotates counterclockwise shaking tray 24 with hand after the completion of the detection of 28 vertical extent of guardrail ontology, so can be by rope 26
Wound on reel 25, so as to convenient for carry out next time using.
Above-described embodiment, which is available to, to be familiar with person in the art to realize or use the present invention, and is familiar with this field
Personnel can make various modifications or variation, thus this to above-described embodiment without departing from the present invention in the case of the inventive idea
The protection scope of invention is not limited by above-described embodiment, and should meet inventive features that claims are mentioned most
On a large scale.
Claims (4)
- It include sweep, wheel, supporting block, support plate, casing, straight sliding rail and the 1. a kind of Bridge guardrail auxiliary installation cart One sliding block, the bottom of sweep are connected with wheel, and the right side at the top of sweep is hingedly connected with supporting block, are connected at the top of supporting block Support plate, the left side of supporting block are connected with casing, through-hole are provided on the left of cannula tip, and the bottom in casing is connected with straight cunning Rail, straight sliding rail is equipped with the first sliding block, it is characterized in that: further including having elevating lever, teeth, card key, cross bar, pull ring, tension spring, set Part, support rod and U-shaped card set, are connected with elevating lever at the top of the first sliding block, the top of elevating lever is evenly spaced be connected with it is more A teeth, through-hole is interior to be equipped with card key, and card key and teeth cooperate, are connected with cross bar at the top of card key, drawing is connected at the top of cross bar Ring, there are two tension springs for connection between the bottom of cross bar and the top of casing, and the left end of elevating lever is connected with external member, the top of external member It is connected with support rod, the top of support rod is connected with U-shaped card set.
- 2. a kind of Bridge guardrail auxiliary installation cart described in accordance with the claim 1, it is characterized in that: further include have the second sliding block, Limit plate, nut and ball screw, the right side at the top of support plate are provided with sliding slot, are equipped with the second sliding block in sliding slot, the second sliding block Top is connected with limit plate, is connected with nut at the top of support plate, nut is located at the left side of sliding slot, the left side rotary type of limit plate It is connected with ball screw, ball screw is located in nut.
- 3. a kind of Bridge guardrail auxiliary installation cart according to claim 2, it is characterized in that: further including having swing seat, card Plate and spring are respectively connected with swing seat at left and right sides of the top in U-shaped card set, are hingedly connected with snap-gauge in swing seat, two cards Spring is connected between the medial surface of lateral surface and the U-shaped card set of plate.
- 4. a kind of Bridge guardrail auxiliary installation cart described in accordance with the claim 3, it is characterized in that: further including having bearing block, axis Bar, shaking tray, reel, rope and weight, the bottom of support rod are connected with bearing block, shaft are connected in bearing block, shaft Left end is connected with shaking tray, and the right end of shaft is connected with reel, and rope is wound on reel, and the bottom end of rope is connected with weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811184466.6A CN109112973B (en) | 2018-10-11 | 2018-10-11 | Supplementary installation shallow of bridge railing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811184466.6A CN109112973B (en) | 2018-10-11 | 2018-10-11 | Supplementary installation shallow of bridge railing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109112973A true CN109112973A (en) | 2019-01-01 |
| CN109112973B CN109112973B (en) | 2020-07-21 |
Family
ID=64857909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811184466.6A Active CN109112973B (en) | 2018-10-11 | 2018-10-11 | Supplementary installation shallow of bridge railing |
Country Status (1)
| Country | Link |
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| CN (1) | CN109112973B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554101A (en) * | 2020-12-07 | 2021-03-26 | 常路行 | Automatic guardrail mounting machine |
| CN112647456A (en) * | 2021-01-20 | 2021-04-13 | 高本玉 | Road isolation guardrail installation device |
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| RU2479687C1 (en) * | 2011-10-20 | 2013-04-20 | Открытое акционерное общество по проектированию строительства мостов "Институт Гипростроймост" | Device to lift and install span blocks |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112554101A (en) * | 2020-12-07 | 2021-03-26 | 常路行 | Automatic guardrail mounting machine |
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| CN112647456A (en) * | 2021-01-20 | 2021-04-13 | 高本玉 | Road isolation guardrail installation device |
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| Publication number | Publication date |
|---|---|
| CN109112973B (en) | 2020-07-21 |
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