CN212316701U - Rail transit roof beam aerial working safety device - Google Patents
Rail transit roof beam aerial working safety device Download PDFInfo
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- CN212316701U CN212316701U CN202021455875.8U CN202021455875U CN212316701U CN 212316701 U CN212316701 U CN 212316701U CN 202021455875 U CN202021455875 U CN 202021455875U CN 212316701 U CN212316701 U CN 212316701U
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Abstract
The utility model provides a safety protection device for high-altitude operation of a rail transit beam, which comprises a rail beam erected on a pier, a plurality of protection units and a protective net, wherein the protection units are arranged on the rail beam at intervals, and the protective net is arranged in the area between the adjacent protection units on the side surface of the rail beam; the protection unit comprises two locking mechanisms and a safety net fixing mechanism; the two locking mechanisms are arranged at intervals and oppositely arranged on two sides of the horizontal extending direction of the track beam, and the locking mechanisms are supported on the outer surface of the track beam and are detachably connected with the track beam; the safety net fixing mechanism is fixedly connected with the two locking mechanisms respectively, the part, exceeding the width of the track beam, of the safety net fixing mechanism extends upwards towards the direction far away from the upper surface of the track beam to form a hanging part of a protective net, and two ends, extending horizontally, of the protective net are hung on hanging parts of safety net fixing mechanisms of adjacent protective units respectively.
Description
Technical Field
The utility model relates to a bridge eminence construction safety protection equipment technical field especially relates to a high department operation safety device of track traffic roof beam.
Background
One of the biggest characteristics of bridge construction is that high-altitude operation has large workload, multiple work types, complex operation conditions and high risk, so that the high-altitude operation is an important part of bridge construction safety management. According to the national standard of high-altitude operation classification, the operation at the high altitude with the possibility of falling more than 2m of the falling height reference surface is called high-altitude operation.
The construction conditions of outdoor rail transit beams are complex, the climatic conditions are variable, protective measures such as safety belts, safety nets, guardrails and the like are required to be taken when the rail transit beams are constructed, the operation of bridge abutments and the upper parts of bridges can also involve edge operation, and stable supports are required to be set when the safety nets are installed; because the track traffic roof beam is prefabricated usually, the inevitable erection joint subassembly of facilities such as installation interim railing, guardrail and safety net support on the track traffic roof beam can destroy the overall structure of track traffic roof beam, and along with the propulsion of track traffic construction progress, the protection facility of track traffic roof beam eminence operation need extend the installation, and the installation and the dismantlement of current safety protection facility are also too convenient, have increased the work load of track traffic roof beam construction.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a rail transit roof beam eminence operation safety device convenient to installation and dismantlement, do not destroy the structure of roof beam.
The technical scheme of the utility model is realized like this: the utility model provides a high-altitude operation safety protection device for a rail transit beam, which comprises a rail beam erected on a pier, and also comprises a plurality of protection units (1) and a protection net (2), wherein the protection units (1) are arranged on the rail beam at intervals, and the protection net (2) is arranged in the area between the adjacent protection units (1) on the side surface of the rail beam;
the protection unit (1) comprises two locking mechanisms (3) and a safety net fixing mechanism (4); the two locking mechanisms (3) are arranged at intervals and are opposite to the two sides of the horizontal extending direction of the track beam, and the locking mechanisms (3) are abutted against the outer surface of the track beam and are detachably connected with the outer surface of the track beam; safety net fixed establishment (4) respectively with two locking mechanism (3) fixed connection, and safety net fixed establishment (4) surpass the track roof beam width part still upwards extend towards the direction of keeping away from the track roof beam upper surface, form the portion of establishing (20) of hanging of protection network (2), the both ends that protection network (2) level extends are hung respectively on the portion of establishing (20) of hanging of safety net fixed establishment (4) of adjacent protection unit (1).
On the basis of the above technical solution, preferably, the locking mechanism (3) includes a base (31), a first clamping unit (32), and a second clamping unit (33); the surface of the base (31) is respectively abutted against the side surface and the upper surface of the track beam in the extending direction, a first clamping unit (32) is arranged on the base (31), the first clamping unit (32) is connected with the base (31) in a sliding mode, and the outer surface of the first clamping unit (32) is selectively abutted against the side surface of the track beam in the extending direction; one end of the first clamping unit (32) close to the lower surface of the track beam is provided with a second clamping unit (33), the second clamping unit (33) is connected with the first clamping unit (32) in a sliding mode, and the surface of the second clamping unit (33) selectively abuts against the lower surface of the track beam.
Further preferably, the first clamping unit (32) comprises a first guide rod (321), a first threaded sleeve (322) and a first adjusting screw (323); the base (31) is provided with a first sliding chute (311), a second sliding chute (312) and a first through hole (313), the first sliding chute (311) penetrates through the base (31) along the vertical direction, the second sliding chute (312) horizontally penetrates through the base (31) along the direction perpendicular to the first sliding chute (311), and the first sliding chute (311) is communicated with the second sliding chute (312); the first guide rod (321) penetrates into the first sliding groove (311), a first boss (324) and a first threaded sleeve (322) are fixedly arranged on the outer surface of the first guide rod (321), the first boss (324) extends towards the direction far away from the surface of the first guide rod (321), and the first boss (324) is embedded into the second sliding groove (312) and is in sliding connection with the second sliding groove (312); a first threaded sleeve (322) is arranged on the surface, away from the track beam, of the first guide rod (321), a first adjusting screw rod (323) is arranged in the first threaded sleeve (322), the first adjusting screw rod (323) is in threaded connection with the first threaded sleeve (322), a first through hole (313) corresponding to the first adjusting screw rod (323) is correspondingly arranged at one end, away from the track beam, of the base (31), and the first adjusting screw rod (323) penetrates through the first through hole (313) and is rotatably connected with the base (31); the first adjusting screw rod (323) adjusts the position of the first guide rod (321) in the first sliding chute (311) or the second sliding chute (312), so that the outer surface of the first guide rod (321) abuts against the side surface of the track beam in the extending direction.
Still further preferably, the second clamping unit (33) comprises a second guide rod (331), a second adjusting screw (332), a second threaded sleeve (333) and a second clamping jaw (334); the second guide rod (331) is sleeved on the outer surface of the first guide rod (321), a second boss (325) is further arranged on the first guide rod (321), a third sliding groove (335) corresponding to the second boss (325) is arranged on the second guide rod (331), the third sliding groove (335) is arranged along the extending direction of the first guide rod (321), and the second boss (325) is embedded in the third sliding groove (335) and is in slidable connection with the third sliding groove; the second adjusting screw rod (332) penetrates through the first guide rod (321) and the second guide rod (331), the second adjusting screw rod (332) is rotatably connected with the inner surface of the first guide rod (321), a second threaded sleeve (333) is fixedly arranged in the second guide rod (331), and the second adjusting screw rod (332) is in threaded connection with the second threaded sleeve (333); a second clamping jaw (334) is fixedly arranged at one end, far away from the first guide rod (321), of the second guide rod (331); the second adjusting screw rod (332) adjusts the second guide rod (331) to move along the third sliding groove (335), so that the second clamping jaw (334) is abutted against the lower surface of the track beam.
Still further preferably, a support (34) is further arranged on the base (31), a first clamping jaw (35) is arranged on the support (34), the first clamping jaw (35) is fixedly connected with the support (34), and the first clamping jaw (35) can be screwed out relative to the support (34) and abuts against the upper surface of the track beam.
Further preferably, the bracket (34) is further provided with a first connecting assembly (36), one end of the first connecting assembly (36) is hinged to the first guide rod (321), and the other end of the first connecting assembly (36) is slidably connected to the bracket (34).
On the basis of the technical scheme, preferably, the safety net fixing mechanism (4) comprises a second connecting assembly (41) and a third connecting assembly (42), the second connecting assembly (41) extends outwards along the width direction of the track beam, and the second connecting assembly (41) is fixedly connected with the two locking mechanisms (3) respectively; one end of the second connecting component (41) far away from the track beam is hinged with the hanging part (20) which extends upwards in the direction far away from the upper surface of the track beam; a positioning column (201) and a plurality of hooks (202) are fixedly arranged on the surface of the hanging part (20), and the positioning column (201) extends out from the surface of the hanging part (20) along the extending direction of the track beam; one end of the third connecting assembly (42) is hinged with the second connecting assembly (41), and the other end of the third connecting assembly (42) is hung on the positioning column (201); the surface of the hanging part (20) close to the track beam is provided with a plurality of hooks (202), the hooks (202) are arranged at intervals along the extending direction of the hanging part (20), and the end part of the protective net (2) is hung in the hooks (202).
More preferably, the third connecting unit (42) has a U-shape, and the shape of the opening of the third connecting unit (42) is matched with the shape of the second connecting unit (41).
Further preferably, the rotation angle of the hanging part (20) relative to the second connecting assembly (41) is 0 to 90 degrees, and when the hanging part (20) is located at the lowest position, the hanging part (20) is arranged in parallel with the second connecting assembly (41).
More preferably, a cushion block (43) is further arranged on the end face, away from the upper surface of the track beam, of the second connecting assembly (41), and the height of the cushion block (43) is larger than the length of the hook (202) extending out of the hanging part (20); when the hanging part (20) rotates to the lowest point relative to the second connecting component (41), the cushion block (43) is abutted against the surface of the hanging part (20) between the adjacent hooks (202).
Further preferably, the hanging part (20) is further provided with a clamping groove (203), the clamping groove (203) extends outwards along the extending direction of the track beam from the surface of the hanging part, a cross rod (204) is arranged between the clamping grooves (203) between the hanging parts (20) of the safety net fixing mechanisms (4) of the adjacent protection units (1), and the end part of the cross rod (204) is fixedly connected with the clamping groove (203).
The utility model provides a pair of rail transit roof beam eminence operation safety device for prior art, has following beneficial effect:
(1) the utility model discloses a locking mechanism and safety net fixed establishment in pairs can be under the prerequisite of not destroying the structure of track roof beam, reliable realization safety net is fixed, provides reliable safety guarantee for subsequent bridge floor aerial work, and locking mechanism and safety net fixed establishment all are detachable, can used repeatedly;
(2) the locking mechanism can be tightly attached to the side surface, the lower surface and the upper surface of the track beam through the adjustable first clamping unit and the adjustable second clamping unit, so that the locking mechanism can be conveniently mounted, adjusted and detached, and can adapt to track beams with different widths;
(3) the first clamping unit can horizontally move the first guide rod relative to the base, and the second clamping unit can vertically move the second guide rod and the second clamping jaw relative to the base, so that the position adjusting function of the locking mechanism is realized;
(4) the first clamping jaw on the bracket can be matched with the second clamping jaw to better clamp the position of the locking mechanism on the track beam in the vertical direction;
(5) the first connecting assembly enables the first clamping unit and the base to form a triangular structure, so that the horizontal adjustment of the first clamping unit is more stable;
(6) the hanging part of the safety net fixing mechanism can be rotationally opened and stored relative to the second connecting component, so that the safety net fixing mechanism is convenient to reuse; the hanging part in the opening state is fixed through the positioning column and the third connecting assembly, so that the safety net is reliably hung;
(7) the third connecting component can be buckled on the second connecting component, the surface of the hanging part in the storage state is abutted against the cushion block, and the collision and deformation of the hook can be prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of the safety protection device for high-place operation of the rail transit beam of the present invention;
fig. 2 is a front view of the safety device for high-place operation of the rail transit beam of the present invention;
fig. 3 is a perspective view of a locking mechanism of the safety protection device for high-place operation of the rail transit beam of the present invention;
fig. 4 is a front view of a half section of a locking mechanism of the safety protection device for high-altitude operation of the rail transit beam of the present invention;
fig. 5 is a perspective view of the safety net fixing mechanism of the safety protection device for rail transit beam high-altitude operation of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the technical solution of the present invention is realized as follows: the utility model provides a rail transit roof beam eminence operation safety device, include:
a track beam erected on the bridge pier;
the protection units 1 are used for being installed on the track beam at intervals in a nondestructive mode, and a protection net 2 is convenient to erect subsequently;
the protective net 2 is arranged in an area between adjacent protective units 1 on the side surface of the track beam and plays a role in anti-falling safety protection;
specifically, the protection unit 1 comprises two locking mechanisms 3 and a safety net fixing mechanism 4; the two locking mechanisms 3 are arranged at intervals and are opposite to the two sides of the track beam in the horizontal extension direction, and the locking mechanisms 3 are abutted against the outer surface of the track beam and are detachably connected with the outer surface of the track beam; the safety net fixing mechanisms 4 are fixedly connected with the two locking mechanisms 3 respectively, the parts, exceeding the width of the track beam, of the safety net fixing mechanisms 4 extend upwards towards the direction far away from the upper surface of the track beam to form hanging parts 20 of the protective nets 2, and the two horizontally extending ends of the protective nets 2 are hung on the hanging parts 20 of the safety net fixing mechanisms 4 of the adjacent protective units 1 respectively. The protection unit 1 is symmetrically attached to the surface of the track beam and fixed through the locking mechanism 3 to form an installation foundation of the safety net fixing mechanism 4, and then the hanging part 20 on the safety net fixing mechanism 4 after the position is fixed can be used for installing the protection net 2.
As shown in fig. 2, the locking mechanism 3 includes a base 31, a first clamping unit 32, and a second clamping unit 33; the surface of the base 31 is respectively abutted against the side surface and the upper surface of the track beam in the extending direction, the base 31 is provided with a first clamping unit 32, the first clamping unit 32 is connected with the base 31 in a sliding manner, and the outer surface of the first clamping unit 32 is selectively abutted against the side surface of the track beam in the extending direction; one end of the first clamping unit 32 close to the lower surface of the track beam is provided with a second clamping unit 33, the second clamping unit 33 is connected with the first clamping unit 32 in a sliding manner, and the surface of the second clamping unit 33 selectively abuts against the lower surface of the track beam. As can be seen from the figure, the first clamping unit 32 can move horizontally relative to the base 31 and drive the second clamping unit 33 to approach the track beam, and the second clamping unit 33 further moves relative to the first clamping unit 32 to approach and abut against the track beam, so as to clamp and fix the track beam.
As can be seen in fig. 3 and 4, in particular, the first clamping unit 32 includes a first guide rod 321, a first threaded sleeve 322, and a first adjusting screw 323; a first sliding chute 311, a second sliding chute 312 and a first through hole 313 are formed in the base 31, the first sliding chute 311 penetrates through the base 31 along the vertical direction, the second sliding chute 312 horizontally penetrates through the base 31 along the direction perpendicular to the first sliding chute 311, and the first sliding chute 311 is communicated with the second sliding chute 312; the first guide rod 321 is inserted into the first sliding chute 311, a first boss 324 and a first thread bushing 322 are fixedly arranged on the outer surface of the first guide rod 321, the first boss 324 extends towards the direction far away from the surface of the first guide rod 321, and the first boss 324 is embedded in the second sliding chute 312 and is connected with the second sliding chute 312 in a sliding manner; a first threaded sleeve 322 is arranged on the surface, away from the track beam, of the first guide rod 321, a first adjusting screw 323 is arranged in the first threaded sleeve 322, the first adjusting screw 323 is in threaded connection with the first threaded sleeve 322, a first through hole 313 corresponding to the first adjusting screw 323 is correspondingly arranged at one end, away from the track beam, of the base 31, and the first adjusting screw 323 is arranged in the first through hole 313 in a penetrating manner and is rotatably connected with the base 31; the first adjusting screw 323 adjusts the position of the first guide rod 321 in the first sliding slot 311 or the second sliding slot 312, so that the outer surface of the first guide rod 321 abuts against the side surface of the track beam in the extending direction. As can be seen from the figure, adjusting the first screw 323 to extend and rotate relative to the base 31 can make the first guide rod 321 horizontally slide in the first sliding slot 311 or the second sliding slot 312, and further abut against or be away from the surface of the track beam, thereby achieving the clamping or detaching function.
As a modification of the present embodiment, the surface of the first guide bar 321 may be further provided with a protrusion 326, and the protrusion 326 extends from the surface of the first guide bar 321 toward the track beam.
In addition, the bracket 34 is further provided with a first connecting assembly 36, one end of the first connecting assembly 36 is hinged to the first guide rod 321, and the other end of the first connecting assembly 36 is slidably connected to the bracket 34. The first connecting assembly 36 can slide horizontally along the horizontal kidney-shaped hole formed in the bracket 34 when the first guide rod 321 moves horizontally in the first sliding slot 311 or the second sliding slot 312, so as to keep the first guide rod 321 running smoothly. The first connecting member 36, the base 31 and the first guide rod 321 form a stable triangular structure, which is more stable and safe.
Further, as shown in fig. 3 in conjunction with fig. 4, the second clamping unit 33 includes a second guide rod 331, a second adjusting screw 332, a second threaded sleeve 333, and a second clamping jaw 334; the second guide rod 331 is sleeved on the outer surface of the first guide rod 321, the first guide rod 321 is further provided with a second boss 325, the second guide rod 331 is provided with a third sliding groove 335 corresponding to the second boss 325, the third sliding groove 335 is arranged along the extending direction of the first guide rod 321, and the second boss 325 is embedded in the third sliding groove 335 and is in slidable connection with the third sliding groove 335; the second adjusting screw 332 penetrates through the first guide rod 321 and the second guide rod 331, the second adjusting screw 332 is rotatably connected with the inner surface of the first guide rod 321, a second threaded sleeve 333 is fixedly arranged in the second guide rod 331, and the second adjusting screw 332 is in threaded connection with the second threaded sleeve 333; a second clamping jaw 334 is fixedly arranged at one end of the second guide rod 331 far away from the first guide rod 321; the second adjusting screw 332 adjusts the second guide rod 331 to move along the third sliding slot 335, so that the second jaw 334 abuts against the lower surface of the track beam. As can be seen from the figure, when the second adjusting screw 332 is rotated, the first guide rod 321 will not move, and when the second adjusting screw 332 is screwed, the second guide rod 331 will ascend or descend along the third sliding slot 335, and abut against or be away from the lower surface of the track beam, so as to also achieve the clamping or dismounting function in that direction.
In addition, a bracket 34 is further disposed on the base 31, a first clamping jaw 35 is disposed on the bracket 34, the first clamping jaw 35 is tightly connected with the bracket 34, and the first clamping jaw 35 can be screwed out relative to the bracket 34 and abuts against the upper surface of the track beam. The first clamping jaw 35 and the second clamping jaw 334 can be matched to abut against the upper surface and the lower surface of the track beam in the longitudinal direction together, so that the clamping effect is improved, and the hanging part 20 is more stable.
As shown in fig. 5, the safety net fixing mechanism 4 includes a second connecting assembly 41 and a third connecting assembly 42, the second connecting assembly 41 extends outward along the width direction of the track beam, and the second connecting assemblies 41 are fixedly connected with the two locking mechanisms 3, respectively; one end of the second connecting component 41, which is far away from the track beam, is hinged with the hanging part 20 which extends upwards in the direction far away from the upper surface of the track beam; the surface of the hanging part 20 is fixedly provided with a positioning column 201 and a plurality of hooks 202, and the positioning column 201 extends out from the surface of the hanging part 20 along the extending direction of the track beam; one end of the third connecting assembly 42 is hinged to the second connecting assembly 41, and the other end of the third connecting assembly 42 is hung on the positioning column 201; the surface of the hanging part 20 close to the rail beam is provided with a plurality of hooks 202, the hooks 202 are arranged at intervals along the extending direction of the hanging part 20, and the end part of the protective net 2 is hung in the hooks 202. The constructor on the track beam can also further hang the safety belt on the hook 202.
The third link assembly 42 has a U-shape, and the shape of the opening of the third link assembly 42 matches the shape of the second link assembly 41. When the safety net fixing mechanism 4 is folded and stored, the rotation angle of the hanging portion 20 relative to the second connecting assembly 41 is 0-90 °, and when the hanging portion 20 is located at the lowest position, the hanging portion 20 and the second connecting assembly 41 are arranged in parallel. In this case, to prevent interference, the third coupling unit 42 also needs to be rotated, and the opening shape is matched with the second coupling unit 41, so that the opening shape can be partially overlapped.
The end face, away from the upper surface of the track beam, of the second connecting assembly 41 is further provided with a cushion block 43, and the height of the cushion block 43 is larger than the length of the hook 202 extending out of the hanging part 20; when the hanging portion 20 rotates to the lowest point relative to the second connecting assembly 41, the cushion block 43 abuts against the surface of the hanging portion 20 between the adjacent hooks 202. The spacer 43 can keep a certain distance between the second connecting member 41 and the hanging part 20 in the folded state, and prevent the hook 202 from deforming due to collision.
In order to be stable on the whole, the hanging portion 20 is further provided with a clamping groove 203, the clamping groove 203 extends outwards from the surface of the hanging portion along the extending direction of the rail beam, a cross rod 204 is arranged between the clamping grooves 203 between the hanging portions 20 of the safety net fixing mechanisms 4 of the adjacent protection units 1, and the end portion of the cross rod 204 is fixedly connected with the clamping groove 203. The cross rod 204 is matched with the clamping groove, so that the stability of the whole structure is improved.
In the structure shown in fig. 5, the safety net fixing mechanism 4 is L-shaped, and the second connecting assembly 41 is provided with only one hanging part 20, and only one side of the track beam is provided with the safety net 2; of course, two hanging portions 20 may be symmetrically disposed at two ends of the second connecting assembly 41, so as to perform safety protection on two sides of the track beam.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a track traffic roof beam eminence operation safety device, is including erectting the track roof beam on the pier, its characterized in that: the protective device is characterized by also comprising a plurality of protective units (1) and protective nets (2), wherein the protective units (1) are arranged on the track beam at intervals, and the protective nets (2) are arranged in the areas between the adjacent protective units (1) on the side surfaces of the track beam;
the protection unit (1) comprises two locking mechanisms (3) and a safety net fixing mechanism (4); the two locking mechanisms (3) are arranged at intervals and are opposite to the two sides of the horizontal extending direction of the track beam, and the locking mechanisms (3) are abutted against the outer surface of the track beam and are detachably connected with the outer surface of the track beam; safety net fixed establishment (4) respectively with two locking mechanism (3) fixed connection, and safety net fixed establishment (4) surpass the track roof beam width part still upwards extend towards the direction of keeping away from the track roof beam upper surface, form the portion of establishing (20) of hanging of protection network (2), the both ends that protection network (2) level extends are hung respectively on the portion of establishing (20) of hanging of safety net fixed establishment (4) of adjacent protection unit (1).
2. A rail transit beam elevation work safety guard as claimed in claim 1, wherein: the locking mechanism (3) comprises a base (31), a first clamping unit (32) and a second clamping unit (33); the surface of the base (31) is respectively abutted against the side surface and the upper surface of the track beam in the extending direction, a first clamping unit (32) is arranged on the base (31), the first clamping unit (32) is connected with the base (31) in a sliding mode, and the outer surface of the first clamping unit (32) is selectively abutted against the side surface of the track beam in the extending direction; one end of the first clamping unit (32) close to the lower surface of the track beam is provided with a second clamping unit (33), the second clamping unit (33) is connected with the first clamping unit (32) in a sliding mode, and the surface of the second clamping unit (33) selectively abuts against the lower surface of the track beam.
3. A rail transit beam elevation work safety guard as claimed in claim 2, wherein: the first clamping unit (32) comprises a first guide rod (321), a first threaded sleeve (322) and a first adjusting screw rod (323); the base (31) is provided with a first sliding chute (311), a second sliding chute (312) and a first through hole (313), the first sliding chute (311) penetrates through the base (31) along the vertical direction, the second sliding chute (312) horizontally penetrates through the base (31) along the direction perpendicular to the first sliding chute (311), and the first sliding chute (311) is communicated with the second sliding chute (312); the first guide rod (321) penetrates into the first sliding groove (311), a first boss (324) and a first threaded sleeve (322) are fixedly arranged on the outer surface of the first guide rod (321), the first boss (324) extends towards the direction far away from the surface of the first guide rod (321), and the first boss (324) is embedded into the second sliding groove (312) and is in sliding connection with the second sliding groove (312); a first threaded sleeve (322) is arranged on the surface, away from the track beam, of the first guide rod (321), a first adjusting screw rod (323) is arranged in the first threaded sleeve (322), the first adjusting screw rod (323) is in threaded connection with the first threaded sleeve (322), a first through hole (313) corresponding to the first adjusting screw rod (323) is correspondingly arranged at one end, away from the track beam, of the base (31), and the first adjusting screw rod (323) penetrates through the first through hole (313) and is rotatably connected with the base (31); the first adjusting screw rod (323) adjusts the position of the first guide rod (321) in the first sliding chute (311) or the second sliding chute (312), so that the outer surface of the first guide rod (321) abuts against the side surface of the track beam in the extending direction.
4. A rail transit beam elevation work safety guard as claimed in claim 3, wherein: the second clamping unit (33) comprises a second guide rod (331), a second adjusting screw rod (332), a second threaded sleeve (333) and a second clamping jaw (334); the second guide rod (331) is sleeved on the outer surface of the first guide rod (321), a second boss (325) is further arranged on the first guide rod (321), a third sliding groove (335) corresponding to the second boss (325) is arranged on the second guide rod (331), the third sliding groove (335) is arranged along the extending direction of the first guide rod (321), and the second boss (325) is embedded in the third sliding groove (335) and is in slidable connection with the third sliding groove; the second adjusting screw rod (332) penetrates through the first guide rod (321) and the second guide rod (331), the second adjusting screw rod (332) is rotatably connected with the inner surface of the first guide rod (321), a second threaded sleeve (333) is fixedly arranged in the second guide rod (331), and the second adjusting screw rod (332) is in threaded connection with the second threaded sleeve (333); a second clamping jaw (334) is fixedly arranged at one end, far away from the first guide rod (321), of the second guide rod (331); the second adjusting screw rod (332) adjusts the second guide rod (331) to move along the third sliding groove (335), so that the second clamping jaw (334) is abutted against the lower surface of the track beam.
5. A rail transit beam elevation work safety guard as claimed in claim 4, wherein: the base (31) is further provided with a support (34), the support (34) is provided with a first clamping jaw (35), the first clamping jaw (35) is tightly connected with the support (34), and the first clamping jaw (35) can be screwed out relative to the support (34) and abutted against the upper surface of the track beam.
6. A rail transit beam elevation work safety guard as claimed in claim 5, wherein: the support (34) is further provided with a first connecting assembly (36), one end of the first connecting assembly (36) is hinged with the first guide rod (321), and the other end of the first connecting assembly (36) is connected with the support (34) in a sliding mode.
7. A rail transit beam elevation work safety guard as claimed in claim 1, wherein: the safety net fixing mechanism (4) comprises a second connecting assembly (41) and a third connecting assembly (42), the second connecting assembly (41) extends outwards along the width direction of the track beam, and the second connecting assembly (41) is fixedly connected with the two locking mechanisms (3) respectively; one end of the second connecting component (41) far away from the track beam is hinged with the hanging part (20) which extends upwards in the direction far away from the upper surface of the track beam; a positioning column (201) and a plurality of hooks (202) are fixedly arranged on the surface of the hanging part (20), and the positioning column (201) extends out from the surface of the hanging part (20) along the extending direction of the track beam; one end of the third connecting assembly (42) is hinged with the second connecting assembly (41), and the other end of the third connecting assembly (42) is hung on the positioning column (201); the surface of the hanging part (20) close to the track beam is provided with a plurality of hooks (202), the hooks (202) are arranged at intervals along the extending direction of the hanging part (20), and the end part of the protective net (2) is hung in the hooks (202).
8. A rail transit beam elevation work safety guard as claimed in claim 7, wherein: the third connecting component (42) is U-shaped, and the shape of the opening part of the third connecting component (42) is matched with that of the second connecting component (41).
9. A rail transit beam elevation work safety guard as claimed in claim 7, wherein: the rotation angle of the hanging part (20) relative to the second connecting assembly (41) is 0-90 degrees, and when the hanging part (20) is located at the lowest position, the hanging part (20) and the second connecting assembly (41) are arranged in parallel.
10. A rail transit beam elevation work safety guard as claimed in claim 9, wherein: a cushion block (43) is further arranged on the end face, away from the upper surface of the track beam, of the second connecting assembly (41), and the height of the cushion block (43) is larger than the length of the hook (202) extending out of the hanging part (20); when the hanging part (20) rotates to the lowest point relative to the second connecting component (41), the cushion block (43) is abutted against the surface of the hanging part (20) between the adjacent hooks (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021455875.8U CN212316701U (en) | 2020-07-22 | 2020-07-22 | Rail transit roof beam aerial working safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021455875.8U CN212316701U (en) | 2020-07-22 | 2020-07-22 | Rail transit roof beam aerial working safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212316701U true CN212316701U (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021455875.8U Active CN212316701U (en) | 2020-07-22 | 2020-07-22 | Rail transit roof beam aerial working safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212316701U (en) |
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2020
- 2020-07-22 CN CN202021455875.8U patent/CN212316701U/en active Active
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Effective date of registration: 20220808 Address after: 430000 Hubei Cultural and Creative Technology Business Incubator, 22MB Plot, Wuhan Economic and Technological Development Zone, Hubei Province (set-WCKJ-CD2107) Patentee after: Wuhan xinghanyu Application Technology Co.,Ltd. Address before: 430000 room 03, 2 / F, building 10, daijiashan science and technology venture City, 888 Hanhuang Road, Jiang'an District, Wuhan City, Hubei Province Patentee before: Wuhan xingkang'an Technology Co.,Ltd. |
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