CN214243350U

CN214243350U - Pit protection device for elevator maintenance

Info

Publication number: CN214243350U
Application number: CN202120202586.5U
Authority: CN
Inventors: 顾建珍
Original assignee: Beijing Huixin United Elevator Engineering Co ltd
Current assignee: Beijing Huixin United Elevator Engineering Co ltd
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-09-21
Anticipated expiration: 2031-01-23

Abstract

The utility model relates to a pit protector for elevator maintenance, it includes four support columns, and four support column settings are in four edges of elevator well pit, and the top of support column is provided with a hydraulic buffer, and the lower extreme of support column is provided with a mounting panel, and the subaerial rigid coupling of pit has the dead lever that is used for fixed mounting panel, sets up the fixed orifices that holds the dead lever and pass on corresponding the global of mounting panel. This application has the effect that improves staff at pit work security.

Description

Pit protection device for elevator maintenance

Technical Field

The application relates to the field of elevator maintenance, in particular to a pit protection device for elevator maintenance.

Background

The elevator is a transportation device for vertically transporting pedestrians or goods, is widely applied to multi-storey buildings such as residential buildings and shopping malls, and is convenient for users to move among different storeys.

For elevator safety and stable work, the elevator needs to be overhauled regularly, and during the maintenance staff need go down in the pit of elevator well, maintain the equipment that sets up in the pit.

However, when a worker maintains in the pit, the elevator car is positioned above the worker, and at the moment, if the brake fails, the elevator does not move normally, so that potential safety hazards are easily caused.

SUMMERY OF THE UTILITY MODEL

In order to improve the security of staff at the work of pit, this application provides a pit protector for elevator maintenance.

The application provides a pit protector for elevator maintenance adopts following technical scheme:

the utility model provides a pit protector for elevator maintenance, includes four support columns, and four support column settings are in four edges of elevator well pit, and the top of support column is provided with a hydraulic buffer, and the lower extreme of support column is provided with a mounting panel, and the subaerial rigid coupling of pit has the dead lever that is used for fixed mounting panel, sets up the fixed orifices that holds the dead lever and pass on corresponding the global of mounting panel.

Through adopting above-mentioned technical scheme, when the dead lever passed the fixed orifices on mounting panel surface, the mounting panel leaned on each other with ground to the support column is established on ground immediately. The setting of support column has protected the staff, has reduced when the staff is worked in the pit, the abnormal operation of elevator to cause dangerous condition, mutually supporting of mounting panel and dead lever, make the support column be convenient for ann tear open, and then the staff is in the completion maintenance back, can follow ground with the support column and dismantle, from not influencing the normal operating of elevator.

Optionally, an arc-shaped hole is formed in the mounting plate around the axis of the support column, one end of the arc-shaped hole is communicated with the fixing hole, and a ring groove used for being embedded into the arc-shaped hole is formed in the circumferential surface of the fixing rod.

Through adopting above-mentioned technical scheme, after the fixed rod card goes into the fixed orifices, the staff can rotate the support column for arc hole and annular are mutually supported, through the screens of mutually supporting of arc hole and annular, have improved the stability that the support column was installed on ground.

Optionally, the support column includes a sleeve fixedly connected with the mounting plate and an insertion rod inserted in the sleeve and slidably connected with the sleeve, and a compression spring for supporting the insertion rod is further arranged in the sleeve.

Through adopting above-mentioned technical scheme, the mutually supporting of sleeve pipe and inserted bar for the whole length of support column can be adjusted, and made things convenient for the staff to accomodate and deposit the support column when not using. The arrangement of the compression spring enables the overall length of the support column to be adjusted. When the elevator falls accidentally, the compression spring is compressed, so that the kinetic energy of a part of the elevator car can be absorbed, the impact force of the car is reduced, and the protection effect of the protection device on workers is improved.

Optionally, a limiting plate is arranged at the lower end of the compression spring, a positioning hole is horizontally formed in the sleeve, and a limiting rod for supporting the limiting plate penetrates through the positioning hole.

Through adopting above-mentioned technical scheme, the gag lever post inserts in the locating hole to carry out the bearing to the limiting plate, and then make the rigidity of compression spring and inserted bar. So that the support pillar can provide stable support for the elevator when the elevator is dropped.

Optionally, at least three positioning holes are formed in the axial direction of the supporting column.

Through adopting above-mentioned technical scheme, the setting of three locating hole for the staff can select the locating hole to insert the gag lever post, thereby adjusts the whole height of support column, and then makes the support column can carry out the adaptation to the pit of the different degree of depth.

Optionally, a connecting plate is arranged between two adjacent support columns, a clamping groove is formed in the connecting plate, a clamping screw rod matched with the clamping groove is fixedly connected to the circumferential surface of the sleeve pipe, and the clamping screw rod penetrates through the connecting plate and is in threaded fit with a clamping nut.

Through adopting above-mentioned technical scheme, the setting of connecting plate has improved the holistic stability of support column with four support column interconnect on the one hand, and on the other hand has restricted the support column and has rotated around self axis to the stability of mutual screens has been improved between mounting panel and the dead lever.

Optionally, the connecting plate includes two hinged plates hinged to each other at end portions, and a fixing assembly for fixing the two hinged plates to each other is simultaneously disposed on the two hinged plates.

Through adopting above-mentioned technical scheme, the articulated joint each other of two articulated slab, the staff can rotate two articulated slabs when the connecting plate is not using to reduce the whole length of connecting plate, made things convenient for and accomodate the connecting plate.

Optionally, the fixing assembly includes a sliding tube fixedly connected to one of the hinge plates, and a fixing tube fixedly connected to the other hinge plate, and a locking member inserted into the fixing tube is inserted into the sliding tube.

Through adopting above-mentioned technical scheme, after the staff inserts the locking piece fixed intraduct, through locking piece and fixed pipe, the mutually supporting of pipe slides to with two articulated slab reciprocal anchorages, improved the stability that the connecting plate is fixed to the support column.

Optionally, a shifting piece is fixedly connected to the circumferential surface of the locking piece, and a strip hole for accommodating the shifting piece to extend out is formed in the sliding barrel.

Through adopting above-mentioned technical scheme, the plectrum is mutually supported with a hole, has made things convenient for the staff to control sliding of locking piece, has improved the convenience of operation to a hole can also be spacing to the plectrum, makes the locking piece be difficult for falling out a hole.

Optionally, a cushion pad is fixed to the top end of the hydraulic buffer.

Through adopting above-mentioned technical scheme, the setting of blotter takes place to fall when elevator car to when being propped up by the support column, further improvement the shock-absorbing capacity of support column, thereby protected the staff.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the supporting columns are supported in the bottom pit, so that workers are protected, and the possibility that the elevator is easy to cause danger when falling is reduced;

2. the setting of connecting plate has connected adjacent support column to four holistic stability of support column have been improved.

Drawings

Fig. 1 is a schematic structural diagram of a pit protection device for elevator maintenance according to an embodiment of the present application;

FIG. 2 is a schematic view showing the overall structure of a support column;

fig. 3 is an enlarged view of detail a of fig. 1, and shows the securing assembly.

Description of reference numerals: 1. a support pillar; 11. a sleeve; 111. positioning holes; 112. a clamping screw rod; 113. clamping the nut; 12. inserting a rod; 13. a compression spring; 14. a limiting plate; 15. a limiting rod; 2. a hydraulic buffer; 21. a cushion pad; 3. a connecting plate; 31. a hinge plate; 32. a clamping groove; 4. mounting a plate; 41. a fixing hole; 42. an arc-shaped hole; 43. fixing the rod; 44. a ring groove; 5. a fixing assembly; 51. a slipping pipe; 52. a fixed tube; 53. a locking member; 54. a shifting sheet; 55. and (4) forming a bar hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a pit protector for elevator maintenance. Referring to fig. 1, a pit protection device for elevator maintenance is arranged in a pit of an elevator shaft, and comprises support columns 1 arranged at four corners of the pit, wherein the support columns 1 are vertically arranged on the ground of the pit. Be provided with connecting plate 3 between two adjacent support columns 1, connecting plate 3 sets up along the length or the width direction of pit, the both ends of spliced pole respectively with a support column 1 interconnect.

Referring to fig. 2, a mounting plate 4 is fixed to the lower end of a supporting column 1, a hydraulic buffer 2 is fixed to the top end of the supporting column 1, and a cushion 21 made of rubber is fixed to the top end of the hydraulic buffer 2.

As shown in fig. 2, the mounting plate 4 is a circular plate, the mounting plate 4 is coaxially and fixedly connected with the sleeve 11, the mounting plate 4 is provided with four fixing holes 41, and the four fixing holes 41 are distributed on the mounting plate 4 around the circumference of the sleeve 11. The ground is fixed with a fixing rod 43 for passing through the fixing hole 41. The fixing rod 43 is further provided with four arc-shaped holes 42, the arc-shaped holes 42 correspond to the four fixing holes 41 one by one, arcs where the arc-shaped holes 42 are located are coaxial with the sleeve 11, the width of the arc-shaped holes 42 is smaller than the diameter of the fixing holes 41, and one ends of the arc-shaped holes 42 are communicated with the fixing holes 41. The circumferential surface of the fixing rod 43 is provided with a ring groove 44 which is matched with the arc-shaped hole 42.

When staff's installation sleeve pipe 11, at first place mounting panel 4 level, and make dead lever 43 pass fixed orifices 41, then the staff rotates sleeve pipe 11, thereby make the lateral wall of arc hole 42 inlay and establish in annular 44, through the mutual screens of annular 44 and mounting panel 4, thereby fix mounting panel 4 subaerial, dead lever 43 and fixed orifices 41's setting, made things convenient for the staff to ann tears support column 1 open, arc hole 42 is established with annular 44's mutual card, the stability of support column 1 with ground fixation has further been improved.

As shown in fig. 2, the support column 1 includes a sleeve 11 vertically fixed to the mounting plate 4 and an insert rod 12 inserted into the mounting tube and having one end fixed to the hydraulic shock absorber 2. A compression spring 13 is further arranged in the sleeve 11, and a limit plate 14 is fixedly connected to the lower end of the compression spring 13. The sleeve 11 is horizontally provided with a positioning hole 111, a limiting rod 15 penetrates through the positioning hole 111, and the limiting rod 15 is located below the limiting plate 14 and supports the limiting plate 14. When the plunger 12 is inserted into the sleeve 11, the lower end of the plunger 12 and the compression spring 13 abut against each other, and the plunger 12 is supported in the sleeve 11. The compression spring 13 is provided so that the overall length of the support column 1 can be adjusted. When the elevator falls accidentally, the compression spring 13 is compressed, so that the kinetic energy of a part of the elevator car can be absorbed, the impact force of the car is reduced, and the protection effect of the protection device on workers is improved. The locating hole 111 is provided with threely along sleeve pipe 11's axial to the staff when the installation support column 1, can be according to the specific degree of depth of pit, adjust the length of support column 1, improved the convenience that support column 1 used. The limiting plate 14 and the limiting rod 15 are mutually clamped, so that the compression spring 13 is more stably supported above the limiting rod 15, and the stability of the limiting spring for supporting the inserted rod 12 is improved.

In other embodiments of the present application, the limiting rod 15 may also be a bolt, and the bolt is screwed with a nut after passing through the positioning hole 111, so that the stability of the limiting rod 15 installed inside the positioning hole 111 is improved by the mutual fit between the bolt and the nut.

As shown in fig. 1, the connecting plate 3 includes two hinge plates 31 hinged to each other at the ends, the hinge plates 31 are rectangular in shape and the hinge shafts of the hinge plates 31 are disposed at one corner of the rectangle, so that when the two hinge plates 31 rotate to be collinear with each other, the ends of the two hinge plates 31 abut against each other, thereby restricting the continuous rotation of the two hinge plates 31. The end of the hinge plate 31 remote from the hinge point is provided with a locking groove 32, and the opening of the locking groove 32 is arranged towards the rotation direction of the two hinge plates 31. A clamping screw rod 112 is fixedly connected to the sleeve 11, and a clamping nut 113 is in threaded fit with the clamping screw rod 112. At least two clamping screws 112 are arranged, the two clamping screws 112 are perpendicular to each other, and the axis of the clamping screw 112 is horizontally arranged. When the supporting columns 1 are installed on the ground and the fixing rod 43 and one end of the arc-shaped hole 42 far away from the fixing hole 41 are abutted against each other, the two clamping screws 112 are positioned on the outer side of the rectangle formed by the four supporting columns 1 and are respectively parallel to the length direction and the width direction of the rectangle. At this time, the worker can mount the connecting plate 3 on two adjacent support columns 1, clamp the clamping grooves 32 on the clamping screw rods 112, and then screw the clamping nuts 113 on the clamping screw rods 112, so as to fix the connecting plate 3.

The setting of connecting plate 3 has improved the holistic stability of support column 1 with four support column 1 interconnect on the one hand, and on the other hand has restricted support column 1 and has rotated around self axis to the stability of mutual screens has been improved between mounting panel 4 and the dead lever 43.

As shown in fig. 1 and 3, the connecting plate 3 is further provided with a fixing assembly 5 for fixing the two hinge plates 31, the fixing assembly 5 comprises a sliding tube 51 fixedly connected to one hinge plate 31 and a fixing tube 52 fixedly connected to the other hinge plate 31, and when the two hinge plates 31 rotate to be collinear, the fixing tube 52 is coaxial with the sliding tube 51. A locking piece 53 is connected in the sliding tube 51 in a sliding manner, a shifting piece 54 is fixedly connected on the peripheral surface of the locking piece 53, a strip hole 55 for accommodating the shifting piece 54 to extend is formed in the peripheral surface of the sliding tube 51, the shifting piece 54 slides in the strip hole 55, so that the shifting piece 54 controls the locking piece 53 to slide in the sliding tube 51, and after the locking piece 53 is inserted into the fixing tube 52, the locking piece 53 fixes the two hinge plates 31, so that the connecting plate 3 is integrally linear. Fixed subassembly 5 is fixed the back with connecting plate 3, and connecting plate 3 is connected two adjacent support columns 1 to the holistic stability of protective structure and support ability. The mutual cooperation of plectrum 54 and strip hole 55 has made things convenient for the staff to control the slip of locking piece 53, has improved the convenience of operation to strip hole 55 can also be spacing to plectrum 54, makes locking piece 53 be difficult for falling out strip hole 55.

After the staff can finish working at the pit, can demolish protector to do not influence the normal operating of elevator.

The implementation principle of the pit protection device for elevator maintenance is as follows: when the staff is at the installation pit protector, at first the staff with sleeve pipe 11 prop up establish in the ground of pit and make dead lever 43 penetrate fixed orifices 41, then the staff rotates sleeve pipe 11 to make in annular 44 card goes into arc hole 42, and then fixed mounting panel 4 and ground, then the staff wears to establish gag lever post 15 in locating hole 111, and puts into sleeve pipe 11 with limiting plate 14 and compression spring 13. The insert rod 12 is then inserted into the sleeve 11, thereby completing the installation of the support post 1. Finally, the worker rotates the connecting plate 3 to a linear state, the connecting plate 3 is fixed by the fixing assembly 5, the clamping grooves 32 in the connecting plate 3 are clamped into the clamping screw rods 112 on the circumferential surfaces of the corresponding sleeves 11 respectively, and the worker unscrews the clamping nuts 113 on the clamping screw rods 112 to fix the connecting plate 3 and the support columns 1, so that the overall stability of the pit protection device is improved. Pit protector can protect the staff, has reduced the condition that causes danger because the car.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A pit protector for elevator maintenance which characterized in that: including four support columns (1), four support columns (1) set up four edges of pit in elevator well, and the top of support column (1) is provided with a hydraulic buffer (2), and the lower extreme of support column (1) is provided with a mounting panel (4), and the subaerial rigid coupling of pit has dead lever (43) that are used for fixed mounting panel (4), sets up on the global of corresponding mounting panel (4) and holds fixed orifices (41) that dead lever (43) passed.

2. A pit guard for elevator maintenance as defined in claim 1, wherein: arc hole (42) have been seted up around support column (1) axis on mounting panel (4), and the one end and fixed orifices (41) of arc hole (42) communicate with each other, offer one on the global annular (44) that are used for imbedding in arc hole (42) of dead lever (43).

3. A pit guard for elevator maintenance as defined in claim 1, wherein: the support column (1) comprises a sleeve (11) fixedly connected with the mounting plate (4) and an insertion rod (12) inserted in the sleeve (11) and connected with the sleeve (11) in a sliding manner, and a compression spring (13) used for supporting the insertion rod (12) is further arranged in the sleeve (11).

4. A pit guard for elevator maintenance as defined in claim 3, wherein: the lower end of the compression spring (13) is provided with a limiting plate (14), the sleeve (11) is horizontally provided with a positioning hole (111), and a limiting rod (15) used for bearing the limiting plate (14) penetrates through the positioning hole (111).

5. A pit guard for elevator maintenance as defined in claim 4, wherein: the number of the positioning holes (111) is at least three along the axial direction of the support column (1).

6. A pit guard for elevator maintenance as defined in claim 1, wherein: the connecting plate (3) is arranged between two adjacent supporting columns (1), the clamping groove (32) is formed in the connecting plate (3), the clamping screw rod (112) matched with the clamping groove (32) is fixedly connected to the peripheral surface of the sleeve (11), and the clamping screw rod (112) penetrates through the connecting plate (3) and is in threaded fit with a clamping nut (113).

7. A pit guard for elevator maintenance as defined in claim 6, wherein: the connecting plate (3) comprises two hinged plates (31), the two hinged plates (31) are hinged to each other at the end parts, and a fixing assembly (5) for fixing the two hinged plates (31) to each other is arranged on the two hinged plates (31) at the same time.

8. A pit guard for elevator maintenance as defined in claim 7, wherein: the fixing assembly (5) comprises a sliding pipe (51) fixedly connected to one hinge plate (31) and a fixing pipe (52) fixedly connected to the other hinge plate (31), and a locking piece (53) inserted into the fixing pipe (52) penetrates through the sliding pipe (51).

9. A pit guard for elevator maintenance as defined in claim 8, wherein: the circumferential surface of the locking piece (53) is fixedly connected with a shifting piece (54), and the sliding barrel is provided with a strip hole (55) for accommodating the extending of the shifting piece (54).

10. A pit guard for elevator maintenance as defined in claim 1, wherein: the top end of the hydraulic buffer (2) is fixedly connected with a buffer pad (21).