CN215448793U

CN215448793U - Portable elevator door mechanical strength verifying attachment

Info

Publication number: CN215448793U
Application number: CN202121882358.3U
Authority: CN
Inventors: 邢振武; 耿媛媛
Original assignee: Xing Zhenwu
Current assignee: Xing Zhenwu
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-07
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a portable elevator door mechanical strength testing device which comprises a box body, wherein a clamping assembly is arranged in the box body, a displacement sensor is fixed at the tail end of the clamping assembly, a pressure sensor is fixed in front of the displacement sensor at the tail end of the clamping assembly, a first servo motor is fixed on one side of the bottom of the box body, a first gear is fixed at the output end of the first servo motor, mounting seats are fixed at four corners of the bottom of the box body, lead screws are connected to the upper ends of the mounting seats in a sliding mode, and a second gear is fixed at the lower ends of the four lead screws. This portable lift-cabin door mechanical strength verifying attachment through setting up chain, lead screw, bevel gear one, bevel gear two, gear four, fly leaf, the door that opens and shuts etc for when opening the door that opens and shuts, verifying attachment can the automatic lifting come, convenient operation, portable, when not using, under the protection of the door that opens and shuts, avoided the harmful effects of dust to the machine sensitivity.

Description

Portable elevator door mechanical strength verifying attachment

Technical Field

The utility model relates to the technical field of elevator inspection, in particular to a portable elevator door mechanical strength inspection device.

Background

The elevator is a necessity in daily life of people, along with the increase of the number of elevators in recent years, the flow of people taking the elevator every day is large, the work of elevator inspection is particularly important for ensuring the safety of people, according to the relevant specifications of elevator inspection, the mechanical strength of the elevator door needs to be inspected, the failure of the elevator in operation is easy to occur when the mechanical strength of the elevator door does not reach the specified standard, but a mechanical strength inspection device of the elevator door which is convenient to carry and use is lacking in the market at present. Therefore, the inspection items are generally judged by an inspector according to experience when the elevator is used for inspection, accurate and quantitative inspection data are difficult to obtain, and potential safety use of the elevator is caused.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a portable elevator door mechanical strength testing device, which solves the problem that the elevator door mechanical strength testing device in the prior art is inconvenient to carry and use.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a portable elevator door mechanical strength inspection device comprises a box body, wherein a clamping assembly is arranged in the box body, a displacement sensor is fixed at the tail end of the clamping assembly, a pressure sensor is fixed in front of the displacement sensor at the tail end of the clamping assembly, a first servo motor is fixed on one side of the bottom of the box body, a first gear is fixed at the output end of the first servo motor, mounting seats are fixed at four corners of the bottom of the box body, lead screws are connected to the upper ends of the mounting seats in a sliding mode, a second gear is fixed at the lower ends of the four lead screws, a third gear is fixed at the lower end of one lead screw, which is positioned above the second gear, is meshed with the first gear, the four second gears are connected through chain meshing transmission, a movable plate is connected to the lower ends of the four lead screws, which are positioned above the third gear through threads, and a conversion rod is fixed at one end, away from the mounting seats, of two lead screws at the front end on the left side and the rear end, which are positioned on the right side, a first bevel gear is fixed at the upper ends of the two conversion rods, mounting rods are fixed on the inner walls of two sides of the upper end of the box body, one side of each mounting rod, which is far away from the box body, is rotatably connected with a mounting shaft, a second bevel gear is fixed at the front end of the mounting shaft on the left side and the rear end of the mounting shaft on the right side, a fourth gear is fixed at the rear end of the mounting shaft on the left side and the front end of the mounting shaft on the right side, the first bevel gear is meshed with the second bevel gear, an opening and closing door is slidably connected with the left side and the right side of the top end of the box body, a first tooth opening is formed at the lower end of each opening and closing door, the first tooth opening is meshed with the fourth gear, a mounting plate is slidably connected with the upper end of the movable plate, mounting frames are fixed on the left side and the right side of the mounting plate, a support plate is fixed between the opposite positions of the upper ends of the two mounting frames, a second servo motor is fixed in the middle part of the upper surface of the mounting plate, and an output shaft of the second servo motor penetrates through the support plate through a bearing, the upper part of the supporting plate is provided with a clamping assembly, the clamping assembly comprises a clamping frame which is fixed on the supporting plate and is quadrilateral, the left side and the right side of the clamping frame are both fixed with two mounting blocks, and two mounting blocks at the same side are distributed in a front-back manner along one side of the clamping frame, a first toothed bar is connected between the two mounting blocks at the rear end in a sliding manner, a row of tooth openings II are arranged at the front end of the toothed bar I, a toothed bar II is connected between the opposite positions of the two mounting blocks at the front end in a sliding manner, a row of tooth openings III is arranged at the rear end of the toothed bar II, a gear V is fixed at the output end of the servo motor II, the second tooth opening and the third tooth opening are respectively meshed with the fifth gear, a first clamping rod is fixed on the rear side of the right end of the first tooth rod, and the rear sides of the left ends of the two toothed bars are fixed with a second clamping rod, the first clamping rod and the second clamping rod are both L-shaped, and the tail parts of the rear ends of the first clamping rod and the second clamping rod are both fixed with clamping blocks.

Preferably, the front end and the rear end of the opening and closing door are both fixed with convex strips, grooves are formed in the front inner wall and the rear inner wall of the upper end of the box body, and the convex strips are matched with the grooves.

Preferably, reinforcing rods are fixed to the four corners of the inner wall of the upper end of the box body below the mounting rods, and the reinforcing rods are penetrated through by the upper ends of the screw rods on the side far away from the inner wall of the box body.

Preferably, a T-shaped convex strip is fixed above the movable plate and connected with a sliding groove formed in the lower end of the mounting plate.

Preferably, the mounting panel left and right sides all is fixed with the joint subassembly, and the bayonet socket has all been seted up to the fly leaf top front and back end position in two joint subassemblies below.

Preferably, the clamping component comprises a fixing block fixed on the left side wall and the right side wall of the mounting plate, a clamping column penetrates through the fixing block from top to bottom, a clamping block is fixed at the upper end of the clamping column, a spring is fixed on the inner wall of the upper end of the fixing block, the lower end of the spring is fixed on the outer wall of the lower end of the clamping column, and the lower end of the clamping column is matched with the bayonet.

Advantageous effects

The utility model provides a portable elevator door mechanical strength testing device. Compared with the prior art, the method has the following beneficial effects:

(1) this portable lift-cabin door mechanical strength verifying attachment through setting up chain, lead screw, bevel gear one, bevel gear two, gear four, fly leaf, the door that opens and shuts etc for when opening the door that opens and shuts, verifying attachment can the automatic lifting come, convenient operation, portable, when not using, under the protection of the door that opens and shuts, avoided the harmful effects of dust to the machine sensitivity.

(2) According to the portable elevator door mechanical strength testing device, the servo motor II, the gear V, the toothed bar I, the toothed bar II, the clamping block, the displacement sensor, the pressure sensor and the like are arranged, so that the elevator door is extruded by clamping force of the clamping block during use, deformation and pressure of the elevator door are detected by the sensor, and the mechanical strength of the elevator door is conveniently measured.

(3) This portable lift-cabin door mechanical strength verifying attachment through setting up T shape sand grip, joint subassembly, buckle etc. is convenient for fix the device in suitable position, convenient measurement when using.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a top view of the movable plate of the present invention;

FIG. 3 is a schematic view of a clamping assembly according to the present invention;

FIG. 4 is a schematic view of the chain drive configuration of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1.

In the figure: the clamping device comprises a box body 1, a clamping assembly 2, a displacement sensor 3, a pressure sensor 4, a first servo motor 5, a first gear 6, a mounting seat 7, a screw rod 8, a second gear 9, a third gear 10, a chain 11, a movable plate 12, a conversion rod 13, a first bevel gear 14, a mounting rod 15, a mounting shaft 16, a second bevel gear 17, a fourth gear 18, an opening and closing door 19, a first tooth opening 20, a mounting plate 21, a mounting frame 22, a support plate 23, a second servo motor 24, a convex strip 25, a groove 26, a reinforcing rod 27, a T-shaped convex strip 28, a clamping assembly 29, a bayonet 30, a clamping frame 201, a mounting block 202, a first tooth rod 203, a second tooth opening 204, a second tooth rod 205, a third tooth opening 206, a fifth gear 207, a first clamping rod 208, a second clamping rod 209, a clamping block 210, a fixing block 291, a clamping column 292, a clamping block 293 and a spring 294.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a portable elevator door mechanical strength inspection device comprises a box body 1, a clamping component 2 is arranged in the box body 1, a displacement sensor 3 is fixed at the tail end of the clamping component 2, a pressure sensor 4 is fixed in front of the displacement sensor 3 at the tail end of the clamping component 2, the deformation degree of the elevator door is measured through the displacement sensor 3, the stress condition of the elevator door is measured through the pressure sensor 4, and therefore the elevator door mechanical strength is measured, a servo motor I5 is fixed at one side of the bottom of the box body 1, a gear I6 is fixed at the output end of the servo motor I5, mounting seats 7 are fixed at four corners of the bottom of the box body 1, lead screws 8 are connected to the upper ends of the mounting seats 7 in a sliding mode, smooth sections are arranged at two ends of the lead screws 8, a gear II 9 is fixed at the lower end of each lead screw 8, a gear III 10 is fixed above the gear II 9 at the lower end of one lead screw 8, and the gear III 10 is meshed with the gear I6, four second gears 9 are meshed and connected through chains 11 in a transmission manner, the lower ends of the four screw rods 8 are positioned above the third gear 10 and are connected with a movable plate 12 through threads, the ends, away from an installation seat 7, of the two screw rods 8 at the front end of the left side and the rear end of the right side, are fixed with conversion rods 13, the upper ends of the two conversion rods 13 are respectively fixed with a first bevel gear 14, the inner walls of the two sides of the upper end of a box body 1 are respectively fixed with installation rods 15, the sides, away from the box body, of the two installation rods 15 are respectively and rotatably connected with an installation shaft 16, the front ends of the left installation shaft 16 and the right installation shaft 16 are respectively and fixedly provided with a second bevel gear 17, the transmission directions are different through the transmission of the bevel gear set arranged at diagonal positions, the rear end of the left installation shaft 16 and the front end of the right installation shaft 16 are respectively and fixedly provided with a fourth gear 18, the first bevel gear 14 is meshed with the second bevel gear 17, the left side and the right side of the top end of the box body 1 are respectively and slidably connected with an opening and closing door 19, and the lower ends of the two opening and closing doors 19 are respectively provided with a row of tooth openings 20, the first tooth opening 20 is meshed with the fourth gear 18, so that the device is ensured to be lifted, the opening and closing door is opened, the upper end of the movable plate 12 is slidably connected with a mounting plate 21, the left side and the right side of the mounting plate 21 are both fixedly provided with mounting frames 22, a supporting plate 23 is fixedly arranged between opposite positions of the upper ends of the two mounting frames 22, the middle part of the upper surface of the mounting plate 21 is fixedly provided with a second servo motor 24, an output shaft of the second servo motor 24 penetrates through the supporting plate 23 through a bearing, the upper part of the supporting plate 23 is provided with a clamping assembly 2, the clamping assembly 2 comprises a clamping frame 201 which is fixed on the supporting plate 23 and is quadrilateral, the left side and the right side of the clamping frame 201 are both fixedly provided with two mounting blocks 202, the two mounting blocks 202 on the same side are distributed front and back along one side of the clamping frame 201, a first tooth bar 203 is slidably connected between opposite positions of the two mounting blocks 202 on the rear end, a row of second tooth openings 204 is arranged at the front end, a second tooth bar 205 is slidably connected between opposite positions of the two mounting blocks 202 on the front end, and the rear end of the second tooth mouth 204 is provided with a row of third tooth mouth 206, the output end of the second servo motor 24 is fixed with a fifth gear 207, the second tooth mouth 204 and the third tooth mouth 206 are respectively meshed with the fifth gear 207, the rear side of the right end of the first tooth bar 203 is fixed with a first clamping rod 208, the rear side of the left end of the second tooth bar 205 is fixed with a second clamping rod 209, the first clamping rod 208 and the second clamping rod 209 are both L-shaped, and the tail parts of the rear ends of the first clamping rod 208 and the second clamping rod 209 are both fixed with a clamping block 210 for clamping the elevator door.

Convex strips 25 are fixed at the front end and the rear end of the opening and closing door 19, grooves 26 are formed in the front inner wall and the rear inner wall of the upper end of the box body 1, and the convex strips 25 are matched with the grooves 26 to facilitate opening and closing of the opening and closing door 19.

Reinforcing rods 27 are fixed to four corners of the inner wall of the upper end of the box body 1 below the mounting rods 15, and one side, far away from the inner wall of the box body 1, of each reinforcing rod 27 is penetrated through the upper end of the screw rod 8.

A T-shaped protrusion 28 is fixed above the movable plate 12, and the T-shaped protrusion 28 is connected to a sliding slot formed at the lower end of the mounting plate 21, so as to ensure the stable sliding of the mounting plate 21 on the movable plate 12.

Clamping components 29 are fixed on the left side and the right side of the mounting plate 21, and bayonets 30 are formed in the front end and the rear end above the movable plate 12 and located below the two clamping components 29, so that the mounting plate 21 can be fixed and moved conveniently.

The clamping assembly 29 comprises a fixing block 291 fixed on the left and right side walls of the mounting plate 21, a clamping column 292 penetrates through the fixing block 291 from top to bottom, a clamping block 293 is fixed at the upper end of the clamping column 292, a spring 294 is fixed on the inner wall of the upper end of the fixing block 291, the lower end of the spring 294 is fixed on the outer wall of the lower end of the clamping column 292, and the lower end of the clamping column 292 is matched with the bayonet 30.

When the folding door is used, firstly, the servo motor I5 is started, the servo motor I5 drives the gear III 10 meshed with the gear I6 to rotate, the four screw rods 8 simultaneously rotate along with the rotation of the gear III 10 under the driving of the chain 11, the movable plate 12 ascends or descends along with the rotation of the screw rods 8, meanwhile, the bevel gear I14 at the upper end of each screw rod 8 and the bevel gear II 17 meshed with the bevel gear I1 rotate along with the rotation of the screw rod 8, the gear IV 18 rotates along with the rotation of the bevel gear II 17, and the folding door 19 is opened or closed along with the rotation of the gear IV 18 under the driving of the gear IV 20; when the opening and closing door 19 is opened and the movable plate 12 reaches the highest position, the clamping block 293 is lifted, the spring 294 is compressed, the clamping column 292 is lifted out of the clamping opening 30 at the moment, then the mounting plate 21 is pushed backwards, the mounting plate 21 moves along the T-shaped convex strip 28, after the clamping opening 30 at the rear end of the movable plate 12 is reached, the clamping block 293 is released, and the clamping column 292 falls into the clamping opening 30 again, so that the position of the mounting plate 21 is fixed; the fixture block 293 is aligned with the elevator door position, the servo motor II 24 is started, the gear V207 rotates along with the fixture block, the rack rod I203 and the clamping rod II 209 are driven to synchronously move back and forth, so that the elevator door is clamped by the clamping block 210, and the displacement sensor 3 and the force sensor 4 detect displacement and pressure respectively to obtain the mechanical strength data of the elevator door.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable lift-cabin door mechanical strength verifying attachment, includes box (1), be provided with centre gripping subassembly (2) in box (1), and centre gripping subassembly (2) end is fixed with displacement sensor (3), centre gripping subassembly (2) end displacement sensor (3) the place ahead is fixed with pressure sensor (4), its characterized in that: a first servo motor (5) is fixed on one side of the bottom of the box body (1), a first gear (6) is fixed at the output end of the first servo motor (5), mounting seats (7) are fixed on four corners of the bottom of the box body (1), screw rods (8) are connected to the upper ends of the mounting seats (7) in a sliding mode, a second gear (9) is fixed at the lower ends of the four screw rods (8), a third gear (10) is fixed at the position, above the second gear (9), of the lower end of one screw rod (8), the third gear (10) is meshed with the first gear (6), and the four second gears (9) are in meshed transmission connection through chains (11);

the lower ends of the four screw rods (8) are positioned above a gear III (10) and are connected with a movable plate (12) through threads, a change-over rod (13) is fixed at one end, away from a mounting seat (7), of each of the two screw rods (8) at the front end of the left side and the rear end of the right side, a bevel gear I (14) is fixed at the upper end of each of the two change-over rods (13), mounting rods (15) are fixed on the inner walls of the two sides of the upper end of a box body (1), a mounting shaft (16) is rotatably connected to one side, away from the box body, of each of the two mounting rods (15), a bevel gear II (17) is fixed at the front end of the left mounting shaft (16) and the rear end of the right mounting shaft (16), a gear IV (18) is fixed at the rear end of the left mounting shaft (16) and the front end of the right mounting shaft (16), the bevel gear I (14) is meshed with the bevel gear II (17), and an opening and closing door (19) is slidably connected to the left side and the right side of the top of the box body (1), a row of first tooth openings (20) are formed in the lower ends of the two opening and closing doors (19), the first tooth openings (20) are meshed with the fourth gear (18), the upper end of the movable plate (12) is connected with a mounting plate (21) in a sliding mode, mounting frames (22) are fixed to the left side and the right side of the mounting plate (21), and a supporting plate (23) is fixed between the opposite positions of the upper ends of the two mounting frames (22);

the middle part of the upper surface of the mounting plate (21) is fixedly provided with a second servo motor (24), an output shaft of the second servo motor (24) penetrates through the supporting plate (23) through a bearing, the upper part of the supporting plate (23) is provided with a clamping assembly (2), the clamping assembly (2) comprises a quadrilateral clamping frame (201) fixed on the supporting plate (23), the left side and the right side of the clamping frame (201) are respectively fixedly provided with two mounting blocks (202), the two mounting blocks (202) on the same side are distributed along the front and the back of one side of the clamping frame (201), a first toothed bar (203) is slidably connected between the relative positions of the two mounting blocks (202) at the rear end, a second toothed bar (205) is slidably connected between the relative positions of the two mounting blocks (202) at the front end, a third toothed bar (206) is slidably connected between the relative positions of the two mounting blocks (202) at the front end, a fifth gear (207) is fixed at the output end of the second servo motor (24), and the tooth mouth two (204) and the tooth mouth three (206) mesh with five (207) gears respectively, tooth bar one (203) right-hand member rear side is fixed with clamping rod one (208), and tooth bar two (205) left end rear side is fixed with clamping rod two (209), clamping rod one (208) and clamping rod two (209) all are L shape, and clamping rod one (208) and clamping rod two (209) rear end tail portion all are fixed with grip block (210).

2. The mechanical strength inspection device for portable elevator doors according to claim 1, wherein: the front end and the rear end of the opening and closing door (19) are respectively fixed with a convex strip (25), the front inner wall and the rear inner wall of the upper end of the box body (1) are provided with a groove (26), and the convex strips (25) are matched with the grooves (26).

3. The mechanical strength inspection device for portable elevator doors according to claim 1, wherein: reinforcing rods (27) are fixed to the four corners of the inner wall of the upper end of the box body (1) below the mounting rods (15), and one side, far away from the inner wall of the box body (1), of each reinforcing rod (27) is penetrated through the upper end of the screw rod (8).

4. The mechanical strength inspection device for portable elevator doors according to claim 1, wherein: t-shaped convex strips (28) are fixed above the movable plate (12), and the T-shaped convex strips (28) are connected with sliding grooves formed in the lower end of the mounting plate (21).

5. The mechanical strength inspection device for portable elevator doors according to claim 1, wherein: the mounting panel (21) left and right sides all is fixed with joint subassembly (29), and bayonet socket (30) have all been seted up to the front and back end position in two joint subassemblies (29) below in fly leaf (12) top.

6. The mechanical strength inspection device for portable elevator doors according to claim 5, wherein: clamping subassembly (29) is including being fixed in fixed block (291) on the lateral wall about mounting panel (21), and fixed block (291) run through from top to bottom has card post (292), card post (292) upper end is fixed with fixture block (293), and fixed block (291) upper end inner wall is fixed with spring (294), spring (294) lower extreme is fixed on card post (292) lower extreme outer wall, and card post (292) lower extreme and bayonet socket (30) looks adaptation.