CN221072288U - Gray iron casting guard bar based on bridge joint protection - Google Patents
Gray iron casting guard bar based on bridge joint protection Download PDFInfo
- Publication number
- CN221072288U CN221072288U CN202323085384.5U CN202323085384U CN221072288U CN 221072288 U CN221072288 U CN 221072288U CN 202323085384 U CN202323085384 U CN 202323085384U CN 221072288 U CN221072288 U CN 221072288U
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- Prior art keywords
- breast board
- rod
- gray iron
- bridge joint
- joint protection
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- 229910001060 Gray iron Inorganic materials 0.000 title claims abstract description 20
- 238000005266 casting Methods 0.000 title abstract description 7
- 210000000481 breast Anatomy 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000010276 construction Methods 0.000 description 9
- 230000001681 protective effect Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of gray iron casting guardrails, and discloses a gray iron casting guardrail based on bridge joint protection, which comprises a telescopic mechanism and a splicing mechanism; the telescopic mechanism comprises two bases, wherein the top end of one base is connected with a first supporting rod, one side of the first supporting rod is connected with a first breast board, one side of the first breast board is provided with a telescopic slot, the top end of the other base is connected with a second supporting rod, one side of the second supporting rod is connected with a second breast board, and the second breast board is in sliding connection with the telescopic slot; through the cooperation of threaded rod and screw hole, rotate the threaded rod, rotate out the screw hole with the threaded rod to make the second breast board break away from spacingly, push the flexible inslot with the second breast board through the cooperation of flexible groove and second breast board, thereby shorten the guardrail, need not to dismantle the breast board, be convenient for accomodate, through the cooperation of slide and first gag lever post, limit the position of second breast board removal, prevent that the second breast board from breaking away from flexible groove.
Description
Technical Field
The utility model relates to the technical field of gray iron casting guardrails, in particular to a gray iron casting guardrail based on bridge joint protection.
Background
Bridge seam construction means that the bridge is widened and the original bridge is spliced through cast-in-place concrete, in the construction process, the construction area is required to be isolated by using the guardrail, the pedestrian is prevented from being mistakenly entered, the pedestrian is prevented from being injured, meanwhile, the construction process is prevented from being influenced, and the gray iron cast guardrail isolates the construction area and plays roles of warning and protection.
The prior guardrail can refer to the Chinese patent with the issued publication number of CN202321327393.8, discloses a foldable and easy-to-assemble protective railing for bridge joint construction, which comprises an inner railing panel and an outer railing panel, wherein pin shaft sleeves which are symmetrically distributed are arranged at diagonal lines of two sides of the inner railing panel, pin shaft clamping columns are arranged above corresponding pin shaft sleeves on the outer railing panel, the pin shaft clamping columns are rotatably sleeved on the pin shaft sleeves, and the inner railing panel and the outer railing panel are rotatably unfolded or mutually folded through the pin shaft clamping columns and the pin shaft sleeves; the utility model discloses a movable guard rail between bridge construction joints, which comprises a bottom plate, wherein first struts distributed at equal intervals are arranged on the bottom plate, cover plates are arranged at the upper ends of the first struts distributed at equal intervals, second struts are arranged between the adjacent first struts, and the two ends of the second struts are respectively connected with the cover plates and the bottom plate, so that the cover plates and the second struts are connected; the bottom of the bottom plate is provided with the equidistant universal wheel support, the universal wheel support is provided with the running wheels, the universal wheel support is also provided with the foot brake plate, the bottom plate, the first support rod, the cover plate, the second support rod and the baffle are arranged, the disassembly and the installation of the protective railing are convenient, the occupied space of the disassembled protective railing fittings is small, the protective railing fittings are convenient to transport and use, the transportation and transfer efficiency of the bridge construction joints is improved, and the running wheels are arranged at the bottom of the bottom plate through the universal wheel support, so that the protective railing is convenient to move during use and the arrangement of the protective railing is convenient.
When the guardrail is used, a plurality of guardrail plates are required to be spliced step by step, the splicing process is complex, the labor burden of workers is increased, a large amount of time is consumed, and the construction efficiency is reduced.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the gray iron casting guardrail based on bridge joint protection, which has the advantages of direct stretching and lengthening and convenient rapid splicing, and solves the problems proposed by the background art.
The utility model provides the following technical scheme: gray iron cast guardrail based on bridge joint protection comprises a telescopic mechanism and a splicing mechanism; the telescopic mechanism comprises two bases, wherein the top end of one base is connected with a first supporting rod, one side of the first supporting rod is connected with a first breast board, one side of the first breast board is provided with a telescopic slot, the top end of the other base is connected with a second supporting rod, one side of the second supporting rod is connected with a second breast board, and the second breast board is in sliding connection with the telescopic slot; the splicing mechanism comprises a connecting column and a connecting plate, wherein the connecting column is connected to the middle of the other side of the second supporting rod, an inserting hole is formed in the top end of the connecting column, the connecting plate is slidably connected to the top of the other side of the first supporting rod, an inserting rod is connected to the bottom end of the connecting plate, and the inserting rod is inserted into the inserting hole.
As a preferable technical scheme of the utility model, the top end and the bottom end of the telescopic groove are respectively provided with a first limit groove, the inside of the first limit groove is connected with a first limit rod, the inside of the first limit groove is connected with a sliding seat in a sliding manner, the inside of the sliding seat is connected with the outer wall of the first limit rod in a sliding manner, and one end of the sliding seat is connected with one end of the second baffle plate.
As a preferable technical scheme of the utility model, one side of the top end and one side of the bottom end of the first baffle are respectively connected with threaded rods in a threaded manner, the top end and the bottom end of the second baffle are respectively provided with threaded holes, and the threaded rods are in threaded connection with the threaded holes.
As a preferable technical scheme of the utility model, one end of the threaded rod is connected with a rotary disc.
As a preferable technical scheme of the utility model, the bottom end of the base is connected with an anti-skid pad.
As a preferable technical scheme of the utility model, a second limit groove is formed in the top of the other side of the first support rod, one side of the connecting plate is in sliding connection with the second limit groove, a second limit rod is connected inside the second limit groove, and the inside of one side of the connecting plate is in sliding connection with the outer wall of the second limit rod.
As a preferable technical scheme of the utility model, a chute is arranged at the top of the front surface of the second limit groove, an abutting plate is connected in a sliding manner in the chute, a through hole is arranged in the middle of the front surface of the chute, a pull rod is connected in the through hole in a sliding manner, and one end of the pull rod is connected with the middle of the front surface of the abutting plate.
As a preferable technical scheme of the utility model, the other end of the pull rod is connected with a limiting block.
Compared with the related art, the utility model has the following beneficial effects:
1. This gray iron cast guardrail based on protection between bridge seam rotates the threaded rod through the cooperation of threaded rod and screw hole, rotates the threaded rod out of the screw hole to make the second breast board break away from spacingly, through the cooperation of expansion tank and second breast board, push the second breast board into the expansion tank, thereby shorten the guardrail, need not to dismantle the breast board, be convenient for accomodate, through the cooperation of slide and first gag lever post, the position that moves the second breast board is limited, prevents that the second breast board breaks away from the expansion tank;
2. this gray iron cast guardrail based on protection between bridge seam, through the cooperation of inserted bar and jack, splice second branch and first branch, through the cooperation of second gag lever post with the connecting plate, the position limit of connecting plate and inserted bar removal prevents that the connecting plate from breaking away from the second spacing groove, through the cooperation of butt plate and pull rod, the pulling pull rod, drive butt plate and remove in the spout, thereby make connecting plate and inserted bar move down under the effect of gravity, make the inserted bar insert the jack, easy operation makes things convenient for the workman to splice a plurality of guardrails.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the front face of the present utility model;
FIG. 3 is a schematic cross-sectional view of a first strut of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.
In the figure: 1. a telescoping mechanism; 2. a splicing mechanism; 101. a base; 102. a first strut; 103. a first breast board; 104. a telescopic slot; 105. a second strut; 106. a second breast board; 107. a first limit groove; 108. a first stop lever; 109. a slide; 110. a threaded rod; 111. a threaded hole; 112. a turntable; 113. an anti-slip pad; 201. a connecting column; 202. a connecting plate; 203. a jack; 204. a rod; 205. the second limit groove; 206. a second limit rod; 207. a chute; 208. an abutting plate; 209. a through hole; 210. a pull rod; 211. and a limiting block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, an gray iron cast guardrail based on bridge joint protection comprises a telescopic mechanism 1 and a splicing mechanism 2;
Referring to fig. 1-5, the telescopic mechanism 1 comprises two bases 101, wherein the top end of one base 101 is fixedly connected with a first supporting rod 102, one side of the first supporting rod 102 is fixedly connected with a first barrier plate 103, one side of the first barrier plate 103 is provided with a telescopic slot 104, the top end of the other base 101 is fixedly connected with a second supporting rod 105, one side of the second supporting rod 105 is fixedly connected with a second barrier plate 106, the second barrier plate 106 is in sliding connection with the telescopic slot 104, and the second barrier plate 106 slides into the telescopic slot 104, so that the guardrail is shortened, is convenient to store and transfer, does not need to be disassembled, and reduces the workload;
The top end and the bottom end of the telescopic slot 104 are both provided with a first limit slot 107, the inside of the first limit slot 107 is fixedly connected with a first limit rod 108, the inside of the first limit slot 107 is slidably connected with a slide seat 109, the inside of the slide seat 109 is slidably connected with the outer wall of the first limit rod 108, one end of the slide seat 109 is fixedly connected with one end of the second breast board 106, the second breast board 106 drives the slide seat 109 to slide in the first limit slot 107, the first limit rod 108 limits the moving position of the slide seat 109, and therefore the moving position of the second breast board 106 is limited, and the second breast board 106 is prevented from being separated from the telescopic slot 104;
Threaded rods 110 are connected to one side of the top end and one side of the bottom end of the first breast board 103 in a threaded manner, threaded holes 111 are formed in the top end and the bottom end of the second breast board 106, a plurality of threaded holes 111 are formed in the top end and the bottom end of the second breast board 106 in an equidistant manner, the threaded rods 110 are connected with the threaded holes 111 in a threaded manner, the second breast board 106 is moved to a proper position, the threaded rods 110 are rotated, the threaded rods 110 are connected with the corresponding threaded holes 111 in a threaded manner, and therefore the position of the second breast board 106 is fixed;
One end of the threaded rod 110 is fixedly connected with a rotary table 112, and the rotary table 112 is rotated so as to drive the threaded rod 110 to rotate;
The bottom end of the base 101 is fixedly connected with an anti-slip pad 113, and the anti-slip pad 113 enables the base 101 to be more stable;
Specifically, first, the threaded rod 110 is rotated out of the threaded hole 111, so that the second breast board 106 is separated from the limit position, then the second breast board 106 is slid into the telescopic slot 104, so that the guardrail is shortened, the guardrail is convenient to store and transfer, the disassembly is not needed, the work load is reduced, the second breast board 106 drives the sliding seat 109 to slide in the first limit slot 107, the first limit rod 108 limits the moving position of the sliding seat 109, and therefore the moving position of the second breast board 106 is limited, and the second breast board 106 is prevented from being separated from the telescopic slot 104.
Referring to fig. 1-5, the splicing mechanism 2 comprises a connecting column 201 and a connecting plate 202, wherein the connecting column 201 is fixedly connected to the middle part of the other side of the second supporting rod 105, a jack 203 is formed in the top end of the connecting column 201, the connecting plate 202 is slidably connected to the top of the other side of the first supporting rod 102, a plug rod 204 is fixedly connected to the bottom end of the connecting plate 202, the plug rod 204 is spliced with the jack 203, the connecting plate 202 is moved downwards to drive the plug rod 204 to move downwards, the plug rod 204 is inserted into the jack 203, and two guardrails are assembled;
A second limit groove 205 is formed in the top of the other side of the first support rod 102, one side of the connecting plate 202 is in sliding connection with the second limit groove 205, a second limit rod 206 is fixedly connected in the second limit groove 205, the inner part of one side of the connecting plate 202 is in sliding connection with the outer wall of the second limit rod 206, the connecting plate 202 slides in the second limit groove 205, the second limit rod 206 limits the moving position of the connecting plate 202, and the connecting plate 202 is prevented from being separated from the second limit groove 205;
A sliding groove 207 is formed in the top of the front surface of the second limiting groove 205, an abutting plate 208 is connected inside the sliding groove 207 in a sliding manner, a through hole 209 is formed in the middle of the front surface of the sliding groove 207, a pull rod 210 is connected inside the through hole 209 in a sliding manner, one end of the pull rod 210 is fixedly connected with the middle of the front surface of the abutting plate 208, the pull rod 210 is pulled to drive the abutting plate 208 to enter the sliding groove 207, and therefore the connecting plate 202 is separated from limit and moves downwards under the action of gravity;
The other end of the pull rod 210 is connected with a limiting block 211, and the limiting block 211 prevents the pull rod 210 from sliding out of the through hole 209;
Specifically, the pull rod 210 is pulled first to drive the abutting plate 208 to enter the sliding groove 207, so that the connecting plate 202 is separated from the limit, and therefore the connecting plate 202 and the inserting rod 204 move downwards under the action of gravity, the connecting plate 202 slides in the second limit groove 205, the second limit rod 206 limits the moving position of the connecting plate 202, the connecting plate 202 is prevented from being separated from the second limit groove 205 until the inserting rod 204 is inserted into the inserting hole 203, and the two guardrails are assembled.
When the guardrail is used, the second support rod 105 is pulled to one side to drive the second guardrail plate 106 to slide out of the telescopic groove 104, the second guardrail plate 106 drives the sliding seat 109 to slide in the first limiting groove 107, the first limiting rod 108 limits the moving position of the sliding seat 109, so that the moving position of the second guardrail plate 106 is limited, the second guardrail plate 106 is prevented from being separated from the telescopic groove 104, the second guardrail plate 106 is pulled out, the turntable 112 is rotated, the threaded rod 110 is driven to rotate, the threaded rod 110 is in threaded connection with the corresponding threaded hole 111, and the position of the second guardrail plate 106 is fixed, so that the guardrail is elongated and the operation is convenient;
then, the two guardrails are transversely placed, the pull rod 210 is pulled, the abutting plate 208 is driven to enter the sliding groove 207, the connecting plate 202 is separated from the limit, the connecting plate 202 and the inserting rod 204 move downwards under the action of gravity, the connecting plate 202 slides in the second limit groove 205, the second limit rod 206 limits the moving position of the connecting plate 202, the connecting plate 202 is prevented from being separated from the second limit groove 205 until the inserting rod 204 is inserted into the inserting hole 203, the two guardrails are assembled, the operation is simple, and the assembly of a plurality of guardrails is facilitated.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Gray iron cast guardrail based on bridge joint protection, which is characterized by comprising
A telescopic mechanism (1); the telescopic mechanism (1) comprises two bases (101), wherein the top end of one base (101) is connected with a first supporting rod (102), one side of the first supporting rod (102) is connected with a first breast board (103), one side of the first breast board (103) is provided with a telescopic slot (104), the top end of the other base (101) is connected with a second supporting rod (105), one side of the second supporting rod (105) is connected with a second breast board (106), and the second breast board (106) is in sliding connection with the telescopic slot (104);
A splicing mechanism (2); spliced mechanism (2) are in including spliced pole (201) and connecting plate (202), spliced pole (201) are connected the middle part of second branch (105) opposite side, jack (203) have been seted up on the top of spliced pole (201), connecting plate (202) sliding connection are in the top of first branch (102) opposite side, the bottom of connecting plate (202) is connected with inserted bar (204), inserted bar (204) with jack (203) are pegged graft.
2. The gray iron cast rail based on inter-bridge joint protection of claim 1, wherein: the telescopic device is characterized in that first limit grooves (107) are formed in the top end and the bottom end of each telescopic groove (104), first limit rods (108) are connected to the inside of each first limit groove (107), sliding seats (109) are connected to the inside of each first limit groove (107) in a sliding mode, the inside of each sliding seat (109) is connected with the outer wall of each first limit rod (108) in a sliding mode, and one end of each sliding seat (109) is connected with one end of each second baffle (106).
3. The gray iron cast rail based on inter-bridge joint protection of claim 1, wherein: threaded rods (110) are connected to one side of the top end and one side of the bottom end of the first breast board (103) in a threaded mode, threaded holes (111) are formed in the top end and the bottom end of the second breast board (106), and the threaded rods (110) are connected with the threaded holes (111) in a threaded mode.
4. The gray iron cast rail based on inter-bridge joint protection of claim 3, wherein: one end of the threaded rod (110) is connected with a rotary disc (112).
5. The gray iron cast rail based on inter-bridge joint protection of claim 1, wherein: the bottom end of the base (101) is connected with an anti-slip pad (113).
6. The gray iron cast rail based on inter-bridge joint protection of claim 1, wherein: the top of first branch (102) opposite side has seted up second spacing groove (205), one side of connecting plate (202) with second spacing groove (205) sliding connection, the inside of second spacing groove (205) is connected with second gag lever post (206), the inside of connecting plate (202) one side with the outer wall sliding connection of second gag lever post (206).
7. The gray iron cast rail based on inter-bridge joint protection of claim 6, wherein: the utility model discloses a sliding chute, including first spacing groove (205), spout (207) have been seted up at positive top of second spacing groove (205), the inside sliding connection of spout (207) has butt board (208), through-hole (209) have been seted up at positive middle part of spout (207), the inside sliding connection of through-hole (209) has pull rod (210), the one end of pull rod (210) with butt board (208) positive middle part is connected.
8. The gray iron cast rail based on inter-bridge joint protection of claim 7, wherein: the other end of the pull rod (210) is connected with a limiting block (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323085384.5U CN221072288U (en) | 2023-11-15 | 2023-11-15 | Gray iron casting guard bar based on bridge joint protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323085384.5U CN221072288U (en) | 2023-11-15 | 2023-11-15 | Gray iron casting guard bar based on bridge joint protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221072288U true CN221072288U (en) | 2024-06-04 |
Family
ID=91271857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323085384.5U Active CN221072288U (en) | 2023-11-15 | 2023-11-15 | Gray iron casting guard bar based on bridge joint protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221072288U (en) |
-
2023
- 2023-11-15 CN CN202323085384.5U patent/CN221072288U/en active Active
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