CN220081041U

CN220081041U - Protective equipment for subway operation maintenance

Info

Publication number: CN220081041U
Application number: CN202321540606.5U
Authority: CN
Inventors: 王海军; 李雨泽
Original assignee: Nanjing Reclaimer Environmental Technology Co Ltd
Current assignee: Nanjing Reclaimer Environmental Technology Co Ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-11-24
Anticipated expiration: 2033-06-16

Abstract

The utility model discloses protection equipment for subway operation and maintenance, which comprises two support columns, wherein two groups of fixing devices are respectively arranged at the bottom ends of the two support columns, lifting devices are arranged in the two support columns, a telescopic device is arranged between the two support columns, sliding grooves II are respectively formed in the inner walls of the opposite sides of the two support columns, a first lug is arranged at one end, far away from the telescopic device, of one support column, a second lug is arranged at the other support column, far away from the telescopic device, a first through hole is formed in the first lug, and an inserting rod is arranged at the bottom of the second lug. According to the utility model, the threaded rods are matched with the sliding rods to replace the two threaded rods, so that the operation is simple, the use is convenient, the service life of the protecting device is prolonged, the potential safety hazards of workers in working are greatly reduced through the matching of the sucker, the fixed outer sleeve and the T-shaped push rod, the telescopic length of the telescopic device can be adjusted through the matching of the V-shaped folding rod I, the V-shaped folding rod II and the movable U-shaped seat II, and the maintenance cost and the occupied space of the protecting device are greatly reduced.

Description

Protective equipment for subway operation maintenance

Technical Field

The utility model relates to the technical field of protection equipment for subway overhaul, in particular to protection equipment for subway operation and maintenance.

Background

The equipment maintenance has important significance for ensuring normal work and safe work of the urban rail transit system, and when the equipment is overhauled and maintained, a protection device is often needed to avoid passengers from entering by mistake, and meanwhile, the safety of overhauling personnel and construction operation are not influenced.

According to the protection device for subway operation and maintenance, disclosed by the publication No. CN217557933U, the height of the support connecting plate arranged on the support can be adjusted by arranging the support with the adjustable height on the support part, so that the purpose of adjusting the protection height of the folding railing is achieved, different use requirements are met, the application range of the protection device is enlarged, and the practicability of the protection device is improved; through setting up folding railing between two support connecting plates, can fold this device and place, reduce the occupation to the space when storing, further, the optimization setting of screw thread lead screw in the holding cavity of supporting part can promote the stability when adjusting the support height, the setting of support top gag lever post can promote the convenience when installing the dismantlement between support and the support connecting plate; the hinged arrangement of the protection plates at the lower part of the support connecting plate can play a role in strengthening the structure of the whole device, and on the other hand, the height of the support connecting plate can be adjusted when the device is used, so that the protection plates are in contact with the ground to achieve the purpose of protecting a construction site lower than the ground level, the condition that external sundries enter the construction site from a gap between the bottom end of the folding railing and the ground is avoided, the safety of workers in the construction site is ensured, and further, the two protection plates can be connected through the arrangement of the connecting piece between the left protection plate and the right protection plate, the integrity of the whole device is improved, and the structural strength of the device is enhanced; the setting of couple and link on the support connecting plate is convenient for fold up the guard plate when attaching on the support connecting plate after the device finishes using, carries out locating connection to guard plate and support connecting plate, simple structure, and the practicality is strong. Furthermore, the known protective devices have the following drawbacks in use:

(1) The existing protection device can finish the height adjustment of the protection plate only by rotating the threaded screw rod by two workers at the same time, once the speed is different, the protection plate can incline, and the protection plate can be bent and cannot be used under serious conditions, so that the service life of the protection plate is greatly reduced;

(2) The existing protection device is fixed through friction between the base and the ground, so that the flow of people in the subway station is large, once the public personnel knock the protection device down carelessly, personnel injury is easily caused, the serious condition is caused, the protection device is poured into a track to injure maintenance personnel, and great potential safety hazards are brought to the staff;

(3) The existing protection device cannot transversely stretch, two protection devices are required to be connected to increase the protection range, and maintenance cost and time are greatly increased.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the technical defects and provide the protection equipment for subway operation and maintenance.

In order to solve the problems, the technical scheme of the utility model is as follows: the lifting device is arranged in the two support columns, the telescopic device is arranged in the middle of the two support columns, the second sliding chute is formed in the inner wall of one side opposite to the two support columns, one end, far away from the telescopic device, of one support column is fixedly connected with the first protruding block, the other end, far away from the telescopic device, of the support column is fixedly connected with the second protruding block, a through hole is formed in the first protruding block, and the bottom of the second protruding block is fixedly connected with the inserted rod;

the lifting device comprises a threaded rod, a slide rod, a first gear, a second gear, a fixed shaft, a turntable and a shaking handle, wherein one end of the threaded rod is movably connected with the inner wall of one support column, the other end of the threaded rod is fixedly connected with the first gear, two ends of the slide rod are respectively and fixedly connected with two ends of the inner wall of the other support column, one end of the fixed shaft is fixedly connected with the second gear, the other end of the fixed shaft extends out of one support column and is fixedly connected with the turntable, and one end of the turntable, far away from the fixed shaft, is movably connected with the shaking handle.

Further, telescoping device includes sliding column, movable block one, movable block two, spout one, U-shaped seat one, axis of rotation one, slider, U-shaped seat two, axis of rotation two, V-arrangement folding pole one, V-arrangement folding pole two, screw hole, slide opening and telescopic link, wherein one the one end both sides that the sliding column is close to the support column are fixed connection movable block one respectively, and another the one end both sides that the sliding column is close to another support column are fixed connection movable block two respectively, two the inside of movable block one all is equipped with the screw hole, two the inside of movable block two all is equipped with the slide opening, two the opposite side inner wall bottom of sliding column all is equipped with spout one, two the opposite side inner wall top of sliding column is fixed connection U-shaped seat one respectively, two the one end inside swing joint axis of rotation of keeping away from the sliding column of U-shaped seat one, two the one end inside swing joint axis of rotation two of keeping away from the sliding column of U-shaped seat two the both ends fixed connection slider respectively of U-shaped seat two the both ends of the two, two the outer wall of the folding pole two of V-shaped folding pole two fixed connection respectively, two opposite side of the two folding pole two fixed connection of the outer wall of V-shaped folding pole respectively.

Further, the first gear is in meshed connection with the second gear.

Further, every group fixing device includes fixed shell, fixed overcoat, boss, spring, T shape push rod, connection trachea and sucking disc, fixed outer shell's inside fixed connection fixed overcoat, fixed outer shell's bottom fixed connection sucking disc, the inner wall of fixed outer shell of one end fixed connection of boss, other end fixed connection spring, the one end fixed connection T shape push rod of boss is kept away from to the spring, the one end that the spring was kept away from to T shape push rod stretches out fixed overcoat and with the bottom fixed connection of support column, connect tracheal one end fixed connection sucking disc's top, the other end stretches into the top of fixed overcoat.

Further, the first moving blocks are connected with the second sliding grooves in an adaptive mode, and the second moving blocks are connected with the second sliding grooves in an adaptive mode.

Further, the two threaded holes are in threaded connection with the threaded rods respectively, the two sliding holes are in sliding connection with the sliding rods respectively, and the two sliding grooves I are in adaptive connection with the sliding blocks respectively.

Compared with the prior art, the utility model has the advantages that:

1. the utility model provides protection equipment for subway operation and maintenance, which replaces two threaded rods by matching the threaded rods with the sliding rods, only one worker is required to adjust the height of a telescopic device by rotating and shaking the telescopic device, the operation is simple, the use is convenient, and the service life of the protection device is prolonged;

2. the utility model provides protection equipment for subway operation and maintenance, which is characterized in that through the cooperation of a sucker, a fixed outer sleeve and a T-shaped push rod, the protection device downwards extrudes air in the sucker through the self weight, the air in the sucker is transmitted into the fixed outer sleeve through a connecting air pipe, the T-shaped push rod is downwards moved by the extrusion of the air, the protection device is fixed, and the potential safety hazard of workers in working is greatly reduced;

3. the utility model provides protection equipment for subway operation and maintenance, which is characterized in that the telescopic length of a telescopic device can be adjusted through the sliding of a first V-shaped folding rod, a second V-shaped folding rod and a second movable U-shaped seat, so that the maintenance cost and occupied space of the protection device are greatly reduced.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a front cross-sectional view of the present utility model.

Fig. 3 is an enlarged view at a in fig. 1.

Fig. 4 is a schematic view of the internal structure of the fixing device in fig. 1.

As shown in the figure: 1. a support column; 2. a fixing device; 201. a fixed housing; 202. fixing the outer sleeve; 203. a boss; 204. a spring; 205. a T-shaped push rod; 206. connecting an air pipe; 207. a suction cup; 3. a lifting device; 301. a threaded rod; 302. a slide bar; 303. a first gear; 304. a second gear; 305. a fixed shaft; 306. a turntable; 307. a shaking handle; 4. a telescoping device; 401. a sliding column; 402. a first moving block; 403. a second moving block; 404. a first chute; 405. u-shaped seat I; 406. a first rotating shaft; 407. a slide block; 408. u-shaped seat II; 409. a second rotating shaft; 410. v-shaped folding rod I; 411. v-shaped folding rod II; 412. a threaded hole; 413. a slide hole; 414. a telescopic rod; 5. a second chute; 6. a first bump; 7. a first through hole; 8. a second bump; 9. and a plunger.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; 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.

As shown in fig. 1 to 3, the two fixing devices 2 are fixedly connected to the bottom ends of the two support columns 1 respectively, the lifting device 3 is arranged in the two support columns 1, the telescopic device 4 is arranged in the middle of the two support columns 1, the second sliding chute 5 is formed in the inner wall of the opposite side of the two support columns 1, one end of one support column 1 far away from the telescopic device 4 is fixedly connected with the first protruding block 6, one end of the other support column 1 far away from the telescopic device 4 is fixedly connected with the second protruding block 8, the first through hole 7 is formed in the inner part of the first protruding block 6, the bottom of the second protruding block 8 is fixedly connected with the inserting rod 9, the inserting rod 9 of one protecting device is in fit connection with the first through hole 7 of the other protecting device, the connecting lifting device 3 of the two protecting devices can be completed, the connecting lifting device 3 comprises a threaded rod 301, a sliding rod 302, a first gear 303, a second gear 304, a fixed shaft 305, a turntable 306 and a shaking handle 307, one end of the threaded rod 301 is movably connected with the inner wall of one support column 1, the other end is fixedly connected with the first gear 303, two ends of the sliding rod 302 are respectively and fixedly connected with two ends of the inner wall of the other support column 1, one end of the fixed shaft 305 is fixedly connected with the second gear 304, the other end extends out of one support column 1 and is fixedly connected with the turntable 306, a plurality of equidistant through holes II are formed in the periphery of the fixed shaft 305, one end of the turntable 306, far away from the fixed shaft 305, is movably connected with the shaking handle 307, the shaking handle 307 is in adaptive connection with the through holes II, the first gear 303 is in meshed connection with the second gear 304, the two threaded rods are replaced by the cooperation of the threaded rod 301 and the sliding rod 302, only one worker is required to adjust the height of the telescopic device through the rotation shaking handle 307, the telescopic device is simple to operate and convenient to use, the service life of the protective device is prolonged, and the telescopic device 4 comprises the sliding column 401, the first moving block 402, the second moving block 403, the sliding groove I404, the U-shaped seat I405, the rotating shaft I406, the sliding block 407, the U-shaped seat II 408, the rotating shaft II 409, the V-shaped folding rod I410, the V-shaped folding rod II 411, the threaded hole 412, the sliding hole 413 and the telescopic rod 414, wherein one sliding column 401 is fixedly connected with the moving block I402 respectively at two sides of one end close to the supporting column 1, the other sliding column 401 is fixedly connected with the moving block II 403 respectively at two sides of one end close to the other supporting column 1, the threaded hole 412 is arranged in the two moving blocks I402, the sliding hole 413 is arranged in the two moving blocks II 403, the sliding groove I404 is arranged at the bottom end of the inner wall of the opposite side of the two sliding columns 401, the U-shaped seat I405 is fixedly connected with the top end of the inner wall of the opposite side of the two sliding columns 401 respectively, the inner side of one end of the two U-shaped seat I405 far away from the sliding columns 401 is movably connected with the rotating shaft I406, the inner side of the two sliding grooves I404 is provided with the slidable U-shaped seat II 408, one side of one sliding groove I404 is provided with a plurality of equidistant through holes III, one end of two U-shaped seats II 408 far away from the sliding column 401 is internally and movably provided with a rotating shaft II 409, two ends of the two U-shaped seats II 408 are respectively and fixedly connected with the sliding block 407, the inside of one sliding block 407 is provided with a through hole IV, a inserted bar penetrates through the through hole III and is in adaptive connection with the through hole IV to finish the fixation of the sliding block 407, two ends of a V-shaped folding bar I410 are respectively and fixedly connected with the outer wall of the rotating shaft II 409, two ends of a V-shaped folding bar II 411 are respectively and fixedly connected with the outer wall of the rotating shaft I406, two inner wall ends of the opposite side of the two sliding columns 401 are respectively and fixedly connected with a telescopic bar 414, two threaded holes 412 are respectively and threadedly connected with a threaded rod 301, two sliding holes 413 are respectively and slidably connected with the sliding bar 302, two sliding grooves I404 are respectively and the sliding block 407 are respectively and the two moving blocks I402 are respectively and the sliding groove II 5 are in adaptive connection, the first V-shaped folding rod 410, the second V-shaped folding rod 411 and the second movable U-shaped seat 408 are matched, so that the telescopic length of the telescopic device 4 can be adjusted through sliding of the second U-shaped seat 408, and the maintenance cost and occupied space of the protective device are greatly reduced.

As shown in fig. 4, each set of fixing device 2 comprises a fixing housing 201, a fixing outer sleeve 202, a boss 203, a spring 204, a T-shaped push rod 205, a connecting air pipe 206 and a sucking disc 207, wherein the fixing outer sleeve 202 is fixedly connected inside the fixing housing 201, the bottom of the fixing housing 201 is fixedly connected with the sucking disc 207, one end of the boss 203 is fixedly connected with the inner wall of the fixing housing 201, the other end is fixedly connected with the spring 204, one end of the spring 204, which is far away from the boss 203, is fixedly connected with the T-shaped push rod 205, one end of the T-shaped push rod 205, which is far away from the spring 204, extends out of the fixing outer sleeve 202 and is fixedly connected with the bottom of the supporting column 1, one end of the connecting air pipe 206 is fixedly connected with the top of the sucking disc 207, the other end of the connecting air pipe 206 extends into the top of the fixing outer sleeve 202, the air in the sucking disc 207 is extruded downwards by self weight through the sucking disc 207, the air in the sucking disc 207 is transmitted into the fixing outer sleeve 202 through the connecting air pipe 206, the air is extruded to enable the T-shaped push rod 205 to move downwards, and the fixing of the protecting device is completed, and potential safety hazards of workers during work are greatly reduced.

In specific use, referring to fig. 1 to 4, the shaking handle 307 is pulled out and rotated, the threaded rod 301 is driven to rotate continuously through the engagement of the first gear 303 and the second gear 304, the telescopic device is lifted to a proper position through the engagement of the threaded rod 301 and the threaded hole 412 and the engagement of the slide rod 302 and the slide hole 413, the telescopic device 4 is pulled to a proper position through pulling out the inserting rod, the protective device presses down the air in the sucker 207 through the self weight, if the fixing is felt to be unstable, the protective device can be pressed down, the sucking of the sucker 207 is firmer, the air in the sucker 207 is transmitted into the fixing sleeve 202 through the connecting air pipe 206, the T-shaped push rod 205 is pressed down through the extrusion, the fixing of the protective device is completed, only the protective device is lifted upwards, and the air in the fixing sleeve 202 is extruded to the sucker 207 through the T-shaped push rod 205 during the dismounting, so that the fixing is released.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. The utility model provides a protective equipment that subway operation was maintained which characterized in that: the lifting device comprises two support columns (1), wherein the bottom ends of the two support columns (1) are fixedly connected with two groups of fixing devices (2) respectively, lifting devices (3) are arranged in the two support columns (1), telescopic devices (4) are arranged in the middle of the two support columns (1), sliding grooves (5) are formed in the inner walls of the two opposite sides of the two support columns (1), one end, far away from the telescopic devices (4), of one support column (1) is fixedly connected with a first protruding block (6), the other end, far away from the telescopic devices (4), of the support column (1) is fixedly connected with a second protruding block (8), a first through hole (7) is formed in the first protruding block (6), and a plugging rod (9) is fixedly connected with the bottom of the second protruding block (8);

lifting device (3) are including threaded rod (301), slide bar (302), gear one (303), gear two (304), fixed axle (305), carousel (306) and shake (307), the inner wall of one of them support column (1) of one end swing joint of threaded rod (301), other end fixed connection gear one (303), the inner wall both ends of another support column (1) of both ends difference fixed connection of slide bar (302), one end fixed connection gear two (304) of fixed axle (305), the other end stretch out one of them support column (1) and with carousel (306) fixed connection, one end swing joint that fixed axle (305) was kept away from to carousel (306) shakes (307).

2. The protective equipment for subway operation maintenance according to claim 1, wherein: every group fixing device (2) include fixed shell (201), fixed overcoat (202), boss (203), spring (204), T shape push rod (205), connect trachea (206) and sucking disc (207), fixed overcoat (202) of inside fixed connection of fixed shell (201), fixed overcoat (207) of bottom fixed connection of fixed shell (201), the inner wall of fixed shell (201) of one end fixed connection of boss (203), other end fixed connection spring (204) are kept away from to one end fixed connection T shape push rod (205) of boss (203) of spring (204), the one end that the spring (204) was kept away from to T shape push rod (205) stretches out fixed overcoat (202) and with the bottom fixed connection of support column (1), the top of one end fixed connection sucking disc (207) of connecting trachea (206), the other end stretch into the top of fixed overcoat (202).

3. The protective equipment for subway operation maintenance according to claim 1, wherein: the first gear (303) is in meshed connection with the second gear (304).

4. The protective equipment for subway operation maintenance according to claim 1, wherein: the telescopic device (4) comprises a sliding column (401), a first moving block (402), a second moving block (403), a first sliding chute (404), a first U-shaped seat (405), a first rotating shaft (406), a sliding block (407), a second U-shaped seat (408), a second rotating shaft (409), a first V-shaped folding rod (410), a second V-shaped folding rod (411), a threaded hole (412), a sliding hole (413) and a telescopic rod (414), wherein one end of the sliding column (401) close to a supporting column (1) is fixedly connected with the first moving block (402) respectively, the other end of the sliding column (401) close to one end of the other supporting column (1) is fixedly connected with the second moving block (403) respectively, threaded holes (412) are formed in the first moving block (402), sliding holes (413) are formed in the second moving block (403), sliding grooves (405) are formed in the inner wall bottoms of opposite sides of the sliding columns (401), the top ends of opposite sides of the sliding columns (401) are fixedly connected with the first U-shaped seat (405) respectively, one end of the first U-shaped seat (405) is far away from the inner sliding groove (408) of the first U-shaped seat (401), two the inside activity of one end that keeps away from sliding column (401) of U-shaped seat two (408) is fixed axis of rotation two (409), two the both ends of U-shaped seat two (408) are fixed connection slider (407) respectively, the outer wall of two (409) of fixed connection axis of rotation respectively is at the both ends of V-arrangement folding rod one (410), the outer wall of two (406) of fixed connection axis of rotation respectively is at the both ends of V-arrangement folding rod two (411), two the opposite one side inner wall both ends of sliding column (401) are fixed connection telescopic link (414) respectively.

5. The protective equipment for subway operation maintenance according to claim 4, wherein: the two threaded holes (412) are respectively connected with the threaded rod (301) in a threaded manner, the two sliding holes (413) are respectively connected with the sliding rod (302) in a sliding manner, and the two sliding grooves I (404) are respectively connected with the sliding block (407) in an adaptive manner.

6. The protective equipment for subway operation maintenance according to claim 4, wherein: the two first moving blocks (402) are connected with the second sliding chute (5) in an adapting mode, and the two second moving blocks (403) are connected with the second sliding chute (5) in an adapting mode.