Guardrail auxiliary walking conveyer based on bridge construction is used
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to a guardrail auxiliary walking and transporting device used in bridge construction.
Background
The bridge guardrail is a guardrail arranged on a bridge, and aims to prevent an out-of-control vehicle from crossing the bridge and have the functions of preventing the vehicle from breaking through, penetrating downwards to cross the bridge and beautifying the bridge building.
When bridge guardrails are installed in bridge construction, in order to not occupy more space, the bridge guardrails are overlapped and stored at one position when not installed, when the guardrails are sequentially installed, two modes are mostly adopted for transportation, a manual transportation mode is adopted, the bridge guardrails are transported to installation positions together through a plurality of groups of constructors, however, the mode has heavy burden on the constructors, and when the bridge guardrails are installed in a rear row, the installation positions are far away from the overlapped storage points of the bridge guardrails, so that the transportation walking section is lengthened, and a large burden is caused to the constructors; adopt the small handcart transport mode, the small handcart is bulky, transports it to bridge construction environment, and the cost of transportation is also than higher, and during its transportation guardrail, has the problem that the guardrail wearing and tearing collided with the lacquer, can take place the guardrail skew to drop because of jolting sometimes.
Disclosure of Invention
In order to solve the technical problems, the invention provides a guardrail auxiliary walking and transporting device used in bridge construction, which aims to solve the problems that a manual transporting mode is adopted to overload constructors when bridge guardrails are installed in the existing bridge construction, a trolley transporting mode is adopted, the transporting cost is high, the guardrails are abraded, paint is knocked off during transportation, and the guardrails are offset and fall off due to bumping.
The invention is based on the purpose and the effect of a guardrail auxiliary walking and transporting device used in bridge construction, and is achieved by the following specific technical means:
the guardrail auxiliary walking and transporting device used based on bridge construction comprises directional trundles, a square bottom plate, short studs, first threaded blind holes, a square top plate, second threaded blind holes, circular buckling rings, a cut-off part, an outer arc structure, a rubber cushion layer, long studs, circular blocks, high-strength springs, limiting nuts, fastening nuts, locking nuts, outer connecting blocks, rectangular strip blocks, semicircular bulges, first circular through holes, second circular through holes and locking screws; the top end face of the mounting plate of the directional caster is attached with the square bottom plate, and the included angle parts of the four edges of the bottom end face of the square bottom plate are welded with the short studs; the distance between the four short studs is consistent with the distance between four mounting holes arranged on the mounting plate of the directional caster, so that when the bottom end surface of the square bottom plate is attached to the top end surface of the mounting plate of the directional caster, the four short studs penetrate through the mounting holes arranged on the mounting plate of the directional caster; four locking nuts capable of being in threaded fit with the short studs are arranged, and when the four short studs penetrate through mounting holes formed in a mounting plate of the directional caster, the four locking nuts are locked on the short studs in a threaded mode; four groups of external connecting blocks are arranged, and the external connecting blocks are formed by the rectangular strip blocks, the semicircular bulges, the first circular through holes and the second circular through holes; the middle part of the long side end face of one position of the rectangular strip block is provided with the semicircular bulge which is in an integrated structure with the rectangular strip block, and the axle center part of the semicircular bulge is provided with the second circular through hole; the end face of the long side of the rectangular strip block provided with the semicircular bulge is provided with one first circular through hole at the edge parts of two adjacent sides of the rectangular strip block; the left end face and the right end face of the square bottom plate are symmetrically provided with two first threaded blind holes respectively, and the left end face and the right end face of the square bottom plate are fixedly provided with a group of external connecting blocks respectively through the locking screws; the distance between two first circular through holes formed in the external connecting blocks is consistent with the distance between two first threaded blind holes formed in the left end surface and the right end surface of the square bottom plate, so that when the long side end surfaces of the rectangular bar blocks in the two groups of external connecting blocks are respectively attached to the left end surface and the right end surface of the square bottom plate, the first circular through holes and the first threaded blind holes are in the same axial line state; when the first circular through hole and the first threaded blind hole are in the same axis state, the stud end of the locking screw penetrates through the first circular through hole and is locked in the first threaded blind hole in a threaded manner; the square top plate is arranged right above the square bottom plate, and the center part of the bottom end face of the square top plate and the center part of the top end face of the square bottom plate are welded with the high-strength spring together; the left end face and the right end face of the square top plate are symmetrically provided with two second threaded blind holes respectively, and the left end face and the right end face of the square top plate are fixedly provided with a group of external connecting blocks respectively through the locking screws; the distance between two first circular through holes formed in the external connecting blocks is also consistent with the distance between two second threaded blind holes formed in the left end surface and the right end surface of the square top plate, so that when the long side end surfaces of the rectangular bar blocks in the two groups of external connecting blocks are respectively attached to the left end surface and the right end surface of the square top plate, the first circular through holes and the second threaded blind holes are in the same axial line state; when the first round through hole and the second threaded blind hole are in the same axis state, the stud end of the locking screw penetrates through the first round through hole and is locked in the second threaded blind hole in a threaded manner; the second circular through holes in the two groups of external blocks fixedly arranged on the left end surface and the right end surface of the square bottom plate are respectively in the same axis state with the second circular through holes in the two groups of external blocks fixedly arranged on the left end surface and the right end surface of the square top plate; the top end face of the square top plate is welded with the circular buckling ring, and the middle part of the top side of the circular buckling ring is provided with a fracture for cutting off the circular buckling ring; and the two cut ends of the cut part are of outer arc structures, and the inner end surface of the circular lock joint ring and the cut end surfaces of the two outer arc structures tangent to the circular lock joint ring are respectively provided with a rubber cushion layer in a bonding and paving mode.
Furthermore, two long studs are arranged and are respectively inserted into the second circular through holes in the upper and lower external blocks which are in corresponding positions and are in the same axial line state;
furthermore, the axle center parts of the top end surfaces of the two long studs are welded with the round blocks, and the diameter of each round block is larger than that of the second round through hole in the external block;
further, when two long studs are respectively inserted into the second circular through holes in the two groups of external blocks corresponding to the upper and lower positions and in the same axial line state, the bottom end face of each circular block is attached to the top end face of the external block positioned above the circular block;
further, when the high-strength spring is in a common stretching uncompressed state, the bottom ends of the two long studs penetrate through the second circular through hole in the external block below;
further, when the high-strength spring is in a fully compressed state, the bottom ends of the two long studs are flush with the rotating shaft end of the caster of the directional caster;
furthermore, the two long studs are respectively in threaded connection with one limiting nut and one fastening nut, when the two long studs are respectively inserted into the second circular through holes in the two groups of external blocks which are in corresponding positions and are in the same axial line state, the limiting nuts are positioned on the upper side of the square bottom plate, and the fastening nuts are positioned on the lower side of the square bottom plate;
compared with the prior art, the invention has the following beneficial effects:
the guardrail auxiliary walking and transporting device designed by the invention is not limited to one group, when in use, the guardrail auxiliary walking and transporting device with the corresponding number can be uniformly distributed on edge bearing parts (usually four groups, distributed at four edge bearing corner parts of the guardrail) of the guardrail, and is in limit buckling connection with round pipes of the guardrail to support the guardrail so that the guardrail is not contacted with the ground of a bridge.
Drawings
Fig. 1 is a front view of the high-strength spring according to the present invention in an uncompressed state.
Fig. 2 is a left side view of the high strength spring of the present invention in an expanded, uncompressed state.
Fig. 3 is a schematic rear end axial view of the high strength spring of the present invention in an expanded, uncompressed state.
Fig. 4 is a schematic front end axial view of the high strength spring of the present invention in an expanded, uncompressed state.
Fig. 5 is a structural diagram of the split state of the present invention.
FIG. 6 is a schematic bottom-side axial view of the circular snap ring, the square top plate, the high-strength spring and the square bottom plate of the present invention.
FIG. 7 is a front view of the circular snap ring, the square top plate, the high strength spring and the square bottom plate of the present invention.
FIG. 8 is an axial view of the circular snap ring, the square top plate, the high-strength spring and the square bottom plate of the present invention.
FIG. 9 is a schematic diagram of the external block structure of the present invention.
Fig. 10 is a schematic view of the structure of the long stud, the limiting nut and the fastening nut of the invention.
Fig. 11 is a front view of the high-strength spring according to the present invention in a compressed state.
Fig. 12 is a left side view of the high strength spring of the present invention in a compressed state.
Fig. 13 is a schematic axial view of the high-strength spring according to the present invention in a compressed state.
In the drawings, correspondence between component names and reference numerals is as follows.
1. A directional caster; 2. a square bottom plate; 201. a short stud; 202. a first threaded blind hole; 3. a square top plate; 301. a second threaded blind hole; 4. a circular snap ring; 401. a fracture port; 402. an outer arc structure; 5. a rubber cushion layer; 6. a long stud; 601. a circular block; 7. a high-strength spring; 8. a limit nut; 9. fastening a nut; 10. locking the nut; 11. an external connection block; 1101. a rectangular bar; 1102. a semicircular bulge; 1103. a first circular through hole; 1104. a second circular through hole; 12. and locking the screw.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 13:
the invention provides a guardrail auxiliary walking and transporting device used based on bridge construction, which comprises: the directional caster comprises a directional caster 1, a square bottom plate 2, a short stud 201, a first threaded blind hole 202, a square top plate 3, a second threaded blind hole 301, a circular buckling ring 4, a cut-off 401, an outer arc structure 402, a rubber cushion layer 5, a long stud 6, a circular block 601, a high-strength spring 7, a limit nut 8, a fastening nut 9, a locking nut 10, an outer connecting block 11, a rectangular strip 1101, a semicircular bulge 1102, a first circular through hole 1103, a second circular through hole 1104 and a locking screw 12; a square bottom plate 2 is attached to the top end face of the mounting plate of the directional caster 1, and short studs 201 are welded at the included angles of the four edges of the bottom end face of the square bottom plate 2; the mutual spacing of the four short studs 201 is consistent with the mutual spacing of four mounting holes arranged on the mounting plate of the directional caster 1, so when the bottom end surface of the square bottom plate 2 is attached to the top end surface of the mounting plate of the directional caster 1, the four short studs 201 pass through the mounting holes arranged on the mounting plate of the directional caster 1; four locking nuts 10 which can be in threaded fit with the short studs 201 are arranged, and when the four short studs 201 penetrate through mounting holes formed in the mounting plate of the directional caster 1, the four locking nuts 10 are locked on the short studs 201 in a threaded manner; four groups of external connection blocks 11 are arranged, and the external connection blocks 11 are formed by a rectangular strip 1101, a semicircular bulge 1102, a first circular through hole 1103 and a second circular through hole 1104; a semicircular bulge 1102 in an integrated structure with the rectangular strip 1101 is arranged in the middle of the long side end face of one position of the rectangular strip 1101, and a second circular through hole 1104 is formed in the axis position of the semicircular bulge 1102; the rectangular bar 1101 provided with the semicircular bulges 1102 is provided with long side end faces, and two adjacent side edge parts of the long side end faces are provided with a first circular through hole 1103; the left end face and the right end face of the square bottom plate 2 are symmetrically provided with two first threaded blind holes 202 respectively, and the left end face and the right end face of the square bottom plate 2 are fixedly provided with a group of external connecting blocks 11 respectively through locking screws 12; the distance between two first circular through holes 1103 formed in the external connection blocks 11 is consistent with the distance between two first threaded blind holes 202 formed in the left end surface and the right end surface of the square bottom plate 2, so that when the long side end surfaces of the rectangular bars 1101 in the two groups of external connection blocks 11 are respectively attached to the left end surface and the right end surface of the square bottom plate 2, the first circular through holes 1103 and the first threaded blind holes 202 are in the same axial state; when the first circular through hole 1103 and the first threaded blind hole 202 are in the same axial line state, the stud end of the locking screw 12 passes through the first circular through hole 1103 and is threadedly locked in the first threaded blind hole 202; a square top plate 3 is arranged right above the square bottom plate 2, and a high-strength spring 7 is welded at the central part of the bottom end face of the square top plate 3 and the central part of the top end face of the square bottom plate 2 together; the left end face and the right end face of the square top plate 3 are symmetrically provided with two second threaded blind holes 301 respectively, and the left end face and the right end face of the square top plate 3 are fixedly provided with a group of external connecting blocks 11 respectively through locking screws 12; the distance between two first circular through holes 1103 formed in the external connecting blocks 11 is also consistent with the distance between two second threaded blind holes 301 formed in the left end surface and the right end surface of the square top plate 3, so when the long side end surfaces of the rectangular bars 1101 in the two groups of external connecting blocks 11 are respectively attached to the left end surface and the right end surface of the square top plate 3, the first circular through holes 1103 and the second threaded blind holes 301 are in the same axial state; when the first circular through hole 1103 and the second threaded blind hole 301 are in the same axial line state, the stud end of the locking screw 12 passes through the first circular through hole 1103 and is locked in the second threaded blind hole 301 in a threaded manner; the second circular through holes 1104 in the two groups of external blocks 11 fixedly arranged on the left end surface and the right end surface of the square bottom plate 2 are respectively in the same axial line state with the second circular through holes 1104 in the two groups of external blocks 11 fixedly arranged on the left end surface and the right end surface of the square top plate 3; a round buckling ring 4 is welded on the top end face of the square top plate 3, and a cut-off port 401 for cutting off the round buckling ring 4 is arranged in the middle of the top side of the round buckling ring 4; two cut ends of the cut port 401 adopt outer arc structures 402, and a layer of rubber cushion 5 is adhered and laid on the inner end face of the circular buckling ring 4 and the cut end faces of the two outer arc structures 402 tangent to the inner end face.
As shown in fig. 1, two long studs 6 are provided, and the two long studs 6 are respectively inserted into the second circular through holes 1104 in the upper and lower external blocks 11 at corresponding positions and in the same axial state.
As shown in fig. 5, a circular block 601 is welded to the axial center of the top end surfaces of the two long studs 6, and the diameter of the circular block 601 is larger than that of the second circular through hole 1104 in the outer block 11.
As shown in fig. 1, when two long studs 6 are respectively inserted into the second circular through holes 1104 in the two sets of external blocks 11 corresponding to the upper and lower positions and located in the same axial line state, the bottom end surface of the circular block 601 is attached to the top end surface of the external block 11 located above.
As shown in fig. 1, when the high-strength spring 7 is in a normal, extended and uncompressed state, the bottom ends of the two long studs 6 pass through the second circular through holes 1104 in the lower external block 11.
As shown in fig. 11, when the high-strength spring 7 is in a fully compressed state, the bottom ends of the two long studs 6 are flush with the caster-end rotating shaft of the directional caster 1.
As shown in fig. 11, a limit nut 8 and a fastening nut 9 are connected to each of the two long studs 6 through a screw, and when the two long studs 6 are respectively inserted into the second circular through holes 1104 in the two sets of external blocks 11 at corresponding positions and in the same axial state, the limit nut 8 is located on the upper side of the square bottom plate 2, and the fastening nut 9 is located on the lower side of the square bottom plate 2.
When in use:
the number of the guardrail auxiliary walking transport devices designed by the invention is not limited to one group, constructors can select the guardrail auxiliary walking transport devices with corresponding number according to the specification of the guardrails, and the guardrail auxiliary walking transport devices comprise the following use steps when transporting a group of guardrails:
the corresponding number of the auxiliary guardrail walking and transporting devices are uniformly distributed on edge bearing parts (usually four groups, distributed at four edge bearing corner parts) of the guardrail, then the round tubes of the guardrail are aligned to the cut-off ports 401 of the round buckling rings 4 and buckled, so that the round tubes of the guardrail are in limit buckling connection in the round buckling rings 4, further, two cut-off ends of the cut-off ports 401 adopt outer arc structures 402, and the inner end surfaces of the round buckling rings 4 and the cut-off end surfaces of the two outer arc structures 402 tangent to the round buckling rings are respectively provided with a layer of rubber cushion layer 5 in a bonding way, so that the round tubes of the guardrail can be prevented from being worn in the buckling process through the matching of the outer arc structures 402 and the rubber cushion layers 5;
when the guardrail auxiliary walking and transporting device uniformly distributed at the edge bearing part of the guardrail is in limited buckling connection with the round pipe of the guardrail, the guardrail is supported by the guardrail auxiliary walking and transporting device uniformly distributed at the edge bearing part of the guardrail and is not contacted with the ground of a bridge, and then the guardrail is pushed by arranging the directional trundles 1 in the guardrail auxiliary walking and transporting device, and the guardrail is driven by the directional trundles 1 to walk and transport to the installation part of the guardrail, so that the guardrail is more convenient and labor-saving, and when the guardrail auxiliary walking and transporting device is not required to be installed like the traditional bridge guardrail, a plurality of constructors are required to lift the guardrail to the installation part together, and after a group of guardrails are walked and transported to the installation part, the guardrail auxiliary walking and transporting device can be detached from the round pipe of the guardrail, so that the guardrail auxiliary walking and transporting device can be conveniently reused;
when a guardrail with one slightly higher side end is transported in a walking way, in order to ensure stable transportation, a fastening nut 9 in the guardrail auxiliary walking and transporting device with the limiting buckle connected to the lower side end of the guardrail can be twisted upwards along a long stud 6 by a tool such as a wrench, and under the condition that the fastening nut 9 is continuously twisted upwards, the distance between a square bottom plate 2 and a square top plate 3 is shortened, so that a high-strength spring 7 is compressed, the overall height of the guardrail auxiliary walking and transporting device is shortened, and the guardrail auxiliary walking and transporting device with the limiting buckle connected to the two sides of the guardrail is in a parallel state so as to ensure stable transportation;
the invention relates to a guardrail auxiliary walking and transporting device, wherein two long studs 6 are respectively connected with a limiting nut 8 and a fastening nut 9 in a threaded manner, when the two long studs 6 are respectively inserted into second round through holes 1104 which are positioned in the same axial line state in upper and lower external blocks 11 which are positioned correspondingly, the limiting nut 8 is positioned on the upper side of a square bottom plate 2, and the fastening nut 9 is positioned on the lower side of the square bottom plate 2, through the matching of the limiting nut 8 and the fastening nut 9, when transporting a guardrail, the limiting nut 8 is twisted to a position slightly higher than the upper side of the square bottom plate 2 along the long studs 6 by a tool such as a wrench and the like, so that a buffer interval is formed between the limiting nut 8 and the fastening nut 9, and when transporting the guardrail, when bumping, the two long studs 6 can slide up and down along the second round through holes 1104 in the external blocks 11 positioned below under the buffer interval, so that the high-strength spring 7 is compressed and extended by force to perform a buffering function.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.