CN214298793U

CN214298793U - Buffer device for hoisting elevator machinery

Info

Publication number: CN214298793U
Application number: CN202120188001.9U
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: 2021-09-28
Anticipated expiration: 2031-01-23

Abstract

The application relates to a buffer device for hoisting of elevator machinery, which relates to the technical field of buffer devices and comprises a bottom shell with an upward opening, two buffer components arranged in the bottom shell, and a buffer plate connected with the buffer components and positioned above the bottom shell; the buffer assembly comprises a guide rod fixedly connected on the opposite inner wall of the bottom shell, two moving blocks connected to the guide rod in a sliding manner, and two first springs which are sleeved on the guide rod and are respectively arranged on two opposite sides of the two moving blocks; two ends of each first spring are fixedly connected to the inner wall of the bottom shell and the movable blocks respectively, and a connecting rod is hinged between each movable block and the buffer plate. The effect that this application has is that the security that the elevator was taken to the elevator of increase passenger plays the guard action to the tenesmic elevator.

Description

Buffer device for hoisting elevator machinery

Technical Field

The application relates to the technical field of buffering devices, in particular to a buffering device for mechanical hoisting of an elevator.

Background

An elevator, also called a vertical elevator, is a transportation device for vertically transporting pedestrians or goods; serving a plurality of specific floors in a building, permanent transportation means having cars traveling in at least two rigid orbits perpendicular to the horizontal or inclined at an angle less than 15 ° to the vertical, the cars being sized and configured to facilitate passenger access or loading and unloading of cargo.

The elevator among the correlation technique often installs and tows formula speed limiter, and when the elevator takes place to fall, the mechanical switch in the overspeed governor also can move chucking wire rope, and the elevator will pull car safety tongs when downwards and make its chucking guide rail, and this is that an independent mechanical switch atress can block more tightly more downwards to it stops to descend to order about the elevator.

To the above-mentioned correlation technique, the inventor finds that when the floor has a power failure suddenly, the function of the stopper can not be realized, and at this moment, if the elevator falls, the safety of passengers in the elevator can not be guaranteed.

SUMMERY OF THE UTILITY MODEL

In order to play the guard action to the elevator of tenesmus, the security that the elevator was taken to the increase passenger, this application provides a buffer for elevator machinery hoist and mount.

The application provides a buffer for elevator machinery hoist and mount adopts following technical scheme:

a buffer device for hoisting an elevator machine comprises a bottom shell with an upward opening, two buffer components arranged in the bottom shell, and a buffer plate connected with the buffer components and positioned above the bottom shell;

the buffer assembly comprises a guide rod fixedly connected on the opposite inner wall of the bottom shell, two moving blocks connected to the guide rod in a sliding manner, and two first springs which are sleeved on the guide rod and are respectively arranged on two opposite sides of the two moving blocks; two ends of each first spring are fixedly connected to the inner wall of the bottom shell and the movable blocks respectively, and a connecting rod is hinged between each movable block and the buffer plate.

Through adopting above-mentioned technical scheme, after the buffer board receives the impact of the decline of elevator, the buffer board moves down to extrude the connecting rod and order about the connecting rod rotation, and then make the movable block slide on the guide arm, order about the length direction of first spring along the guide arm like this and take place deformation, absorb the impact of elevator decline in-process, thereby play the guard action to the elevator, increase the security that the elevator was taken to the passenger.

Optionally, a telescopic rod is vertically arranged on the moving block, the upper end of the telescopic rod is rotatably connected with a rotating roller for supporting the buffer plate, and a second spring for pushing the rotating roller to stably abut against the buffer plate is sleeved on the telescopic rod.

By adopting the technical scheme, when the buffer plate moves downwards, the telescopic rod is extruded, so that the length of the telescopic rod is reduced, the second spring is compressed along the length direction of the telescopic rod, and the first spring and the second spring jointly play a role in protecting the elevator, so that the buffer effect of the buffer device is better; and the telescopic link is close to the border of buffer board along the length direction of guide bar along with the movable block together for the support range to the buffer board is bigger, and then makes the buffering effect better.

Optionally, the upper end rigid coupling of telescopic link has the U-shaped connecting plate of opening up, changes the roller and is located between the relative lateral wall of connecting plate, changes the roller and wear to be equipped with the pivot jointly with the relative lateral wall of connecting plate, installs two jump rings that lean on respectively on the relative lateral wall of connecting plate in the pivot.

Through adopting above-mentioned technical scheme, the staff takes off changeing epaxial jump ring, then takes the pivot out from the connecting plate, and the staff can dismantle the roller from the connecting plate this moment, has realized like this that the roller is connected with dismantling of telescopic link, and the staff of being convenient for will change the roller and install on the telescopic link.

Optionally, the telescopic rod comprises a vertically arranged sleeve and a sliding rod inserted in the sleeve, and the connecting plate is fixedly connected to the upper end of the sliding rod.

Through adopting above-mentioned technical scheme, the slide bar can remove in the sleeve to change the length of telescopic link, the telescopic link carries out the total length adjustment along with reciprocating of buffer board like this, and realized the compression to the second spring.

Optionally, a guide rod with a polygonal cross section is arranged in the sleeve, and a slideway for inserting the guide rod is formed in the end face of the sliding rod.

Through adopting above-mentioned technical scheme, restricted the pole that slides and taken place to rotate in the sleeve for the direction of rolling of commentaries on classics roller on the buffer board is unanimous with the movable block direction of sliding on the guide arm.

Optionally, one end of the sleeve, which is far away from the sliding rod, is fixedly connected with a mounting plate which is abutted against the upper side face of the moving block, and two side faces, which are far away from the moving block, are respectively provided with a clamping assembly which is clamped with the mounting plate and matched with the mounting plate.

Through adopting above-mentioned technical scheme, the staff supports the mounting panel and leans on the side of going up of movable block, then orders about the card and establishes the subassembly and support the mounting panel and lean on the movable block steadily, has realized like this that the dismantlement between mounting panel and the movable block is connected.

Optionally, the clamping assembly comprises a clamping plate attached to the side surface of the mounting plate, a rotating rod is fixedly connected to the lower side surface of the clamping plate, the rotating rod is rotatably connected to the moving block around the axis of the rotating rod, and a torsion spring for driving the clamping plate to be attached to the mounting plate is sleeved on the rotating rod; one side rigid coupling of splint towards the mounting panel has the card strip, has seted up on the mounting panel and has supplied card strip male draw-in groove.

Through adopting above-mentioned technical scheme, when the staff placed the mounting panel on the movable block on the side, the subassembly punch holder received the torsional force of torsional spring is established to two blocks to make two splint support respectively and lean on the side that the mounting panel deviates from mutually, the draw-in groove is inserted to the card strip on the splint this moment, thereby has restricted to take place to separate between mounting panel and the movable block.

Optionally, a rocker plate obliquely arranged with the clamping plate is fixedly connected to the rotating rod.

Through adopting above-mentioned technical scheme, the staff can stir the wane to order about splint and take place to rotate around the axis of bull stick, and then the staff of being convenient for orders about splint and break away from the contact with the mounting panel, the staff of being convenient for dismantles the mounting panel.

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

1. through the arrangement of the bottom shell, the buffer assembly, the buffer plate, the guide rod, the moving block, the first spring and the connecting rods, when the buffer plate moves downwards, the two connecting rods are driven to rotate, so that the first spring is driven to deform, the impact of descending of the elevator is absorbed, the elevator is protected, and the safety of passengers taking the elevator is improved;

2. through the setting of telescopic link, commentaries on classics roller, second spring for buffer's effect is better, protects the elevator better.

Drawings

Fig. 1 is a schematic view of the overall structure of a cushioning device in an embodiment of the present application.

Fig. 2 is a schematic view of the overall structure of the auxiliary buffer in the embodiment of the present application.

Fig. 3 is a schematic structural view of a telescopic rod in the embodiment of the present application.

Fig. 4 is an exploded view of the roller and the connecting plate in the embodiment of the present application.

Fig. 5 is a schematic diagram of a state that the moving block is separated from the mounting plate in the embodiment of the present application.

Fig. 6 is a partially enlarged schematic view of a portion a in fig. 5.

Description of reference numerals: 1. a bottom case; 2. a buffer plate; 3. a guide bar; 4. a moving block; 41. a splint; 42. clamping the strip; 43. an ear plate; 44. a rotating rod; 45. a torsion spring; 46. a seesaw; 5. a first spring; 6. a connecting rod; 7. an auxiliary buffer member; 71. a telescopic rod; 711. a sleeve; 712. a slide bar; 713. a guide bar; 714. a connecting plate; 715. a rotating shaft; 716. a clamp spring; 717. mounting grooves; 718. a slideway; 72. rotating the roller; 73. mounting a plate; 74. a second spring; 75. a clamping groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses buffer for elevator machinery hoisting.

Referring to fig. 1, a buffer device for elevator machinery hoist and mount, including placing the drain pan 1 at the well hole bottom, the opening of drain pan 1 is up, and the top of drain pan 1 is provided with buffer board 2, and 2 levels of buffer board set up, are provided with two buffering subassemblies in the drain pan 1, and the buffering subassembly is used for supporting buffer board 2 and absorbing the impact that the elevator descends.

Referring to fig. 1, the buffer assembly includes a guide rod 3 horizontally disposed in the bottom case 1, and two ends of the guide rod 3 are respectively and fixedly connected to two opposite inner walls of the bottom case 1; two moving blocks 4 are sleeved on the guide rod 3, and each moving block 4 can slide along the length direction of the guide rod 3; the guide rod 3 is further sleeved with two first springs 5, the two first springs 5 are respectively arranged on two sides of the two moving blocks 4 which are deviated from each other, one end of each first spring 5 is fixedly connected to the moving block 4, and the other end of each first spring 5 is fixedly connected to the inner wall of the bottom shell 1; the upper side surface of each moving block 4 is hinged with a connecting rod 6, one end of each connecting rod 6, which is far away from each moving block 4, is hinged on one surface of the buffer plate 2, which faces the bottom shell 1, and the two connecting rods 6 are symmetrically arranged in the middle of the guide rod 3; when the first spring 5 is in a natural state, the distance between the upper ends of the two links 6 is smaller than the distance between the lower ends of the two links 6.

When the buffer board 2 moves down, the two connecting rods 6 are driven to rotate away from each other, so that the two moving blocks 4 move away from each other, the first spring 5 is compressed, and the impact of the descending of the buffer board 2 can be absorbed.

Referring to fig. 1 and 2, in order to improve the buffering effect of the buffering device, an auxiliary buffer 7 is disposed on the upper side surface of each moving block 4; the auxiliary buffer member 7 comprises an expansion link 71, the expansion link 71 is vertically arranged on the upper side surface of the moving block 4, the upper end of the expansion link 71 is rotatably connected with a rotating roller 72, the peripheral surface of the rotating roller 72 is attached to one surface of the buffer plate 2 facing the bottom shell 1, the lower end of the expansion link 71 is fixedly connected with an installation plate 73, and the installation plate 73 is attached to the upper side surface of the moving block 4 and detachably connected to the moving block 4; the telescopic rod 71 is sleeved with a second spring 74, the second spring 74 is located between the mounting plate 73 and the rotating roller 72, and the second spring 74 is used for pushing the rotating roller 72 to abut against the buffer plate 2.

Referring to fig. 2 and 3, the telescopic rod 71 includes a sleeve 711 vertically fixed on a surface of the mounting plate 73 opposite to the moving block 4, a sliding rod 712 is inserted at the upper end of the sleeve 711, the sliding rod 712 is connected in the sleeve 711 in a sliding manner along the vertical direction, and the rotating roller 72 is connected to the upper end of the sliding rod 712 in a rotating manner around its own axis; in order to limit the rotation of the sliding rod 712 in the sleeve 711, a guide rod 713 is arranged in the sleeve 711, the guide rod 713 is arranged along the length direction of the sleeve 711, the lower end of the guide rod 713 is fixedly connected to the mounting plate 73, the cross section of the guide rod 713 is polygonal, such as quadrilateral and hexagon, and the cross section of the guide rod 713 is regular hexagon in the embodiment; the lower end surface of the sliding rod 712 is provided with a slide way 718 into which the guide rod 713 is inserted, and the upper end of the guide rod 713 is inserted into the slide way 718.

Referring to fig. 4, in order to realize that the rotating roller 72 is rotatably connected to the sliding rod 712, a U-shaped connecting plate 714 is fixedly connected to the upper end of the sliding rod 712, the opening of the connecting plate 714 faces upward, a rotating shaft 715 penetrates through the side walls opposite to the connecting plate 714, the rotating roller 72 is sleeved on the rotating shaft 715, and the rotating roller 72 is located between the side walls opposite to the connecting plate 714; two C-shaped snap springs 716 are sleeved on the rotating shaft 715, the two snap springs 716 are respectively arranged on two sides of the connecting plate 714, and the snap springs 716 abut against the side surface of the connecting plate 714 departing from the rotating roller 72; an annular mounting groove 717 is formed in the circumferential surface of the rotating shaft 715 at a position corresponding to the clamp spring 716, the clamp spring 716 is located in the mounting groove 717, and the inner curved surface of the clamp spring 716 abuts against the bottom of the mounting groove 717; the upper end of the second spring 74 abuts against the attachment plate 714.

The worker can detach the two snap springs 716 on the rotating shaft 715 by using snap spring pliers, so as to pull out the rotating shaft 715 and the connecting plate 714, and then can attach and detach the rotating roller 72.

Referring to fig. 5 and 6, in order to detachably connect the mounting plate 73 to the moving block 4, the two vertical side surfaces of the moving block 4, which are away from each other, are respectively attached with the clamping plates 41, each clamping plate 41 is attached to the side surface of the mounting plate 73, one surface of each clamping plate 41, which faces the mounting plate 73, is fixedly connected with the clamping strip 42, the clamping strips 42 are arranged along the horizontal direction, the side surface of the mounting plate 73, which faces the clamping strips 42, is provided with clamping grooves 75, and the clamping strips 42 are inserted into the clamping grooves 75; ear plates 43 are arranged on two sides of the clamping plate 41, the ear plates 43 are fixedly connected on the moving plate, the same rotating rod 44 penetrates through the two ear plates 43, the rotating rod 44 is positioned below the clamping plate 41, and the lower side surface of the clamping plate 41 is fixedly connected on the circumferential surface of the rotating rod 44; the rotating rod 44 is sleeved with two torsion springs 45, the two torsion springs 45 are respectively arranged on two sides of the clamping plate 41, one end of each torsion spring 45 is fixedly connected to the clamping plate 41, the other end of each torsion spring 45 is fixedly connected to the ear plate 43, and the torsion springs 45 are used for driving the clamping plate 41 to stably abut against the side face of the mounting plate 73; a rocker 46 is arranged on the circumferential surface of each rotating rod 44, the rocker 46 is arranged obliquely to the horizontal plane, the distance from the lower side surface of the rocker 46 to the moving block 4 is greater than the distance from the upper side surface of the rocker 46 to the moving block 4, and the upper side surface of the rocker 46 is fixedly connected to the circumferential surface of the rotating rod 44.

The staff utilizes torsional spring 45's torsional force, orders about splint 41 and supports tightly on mounting panel 73 to make two splint 41 with the mounting panel 73 centre gripping, the card strip 42 on splint 41 inserts the draw-in groove 75 simultaneously, makes mounting panel 73 establish with the card of movable block 4 and is connected, has realized being connected with dismantling of movable block 4 to mounting panel 73.

The implementation principle of the buffer device for hoisting the elevator machinery in the embodiment of the application is as follows: when the buffer plate 2 bears the descending impact of the elevator and moves downwards, the two connecting rods 6 are driven to rotate away from each other, so that the two moving blocks 4 are separated from each other, the first spring 5 is compressed, and the impact of the elevator is absorbed; during the downward movement of the buffer plate 2, the rotating roller 72 is also pressed and the sliding rod 712 is driven to slide into the sleeve 711, so that the second spring 74 is compressed, the impact of the elevator is absorbed through the compression deformation of the first spring 5 and the second spring 74, and the safety of the elevator is improved.

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. The utility model provides an elevator machinery is buffer for hoist and mount which characterized in that: comprises a bottom shell (1) with an upward opening, two buffer components arranged in the bottom shell (1), and a buffer plate (2) which is connected with the buffer components and is positioned above the bottom shell (1);

the buffer assembly comprises a guide rod (3) fixedly connected on the opposite inner wall of the bottom shell (1), two moving blocks (4) connected to the guide rod (3) in a sliding manner, and two first springs (5) sleeved on the guide rod (3) and respectively arranged on two opposite sides of the two moving blocks (4); two ends of each first spring (5) are fixedly connected to the inner wall of the bottom shell (1) and the moving blocks (4) respectively, and a connecting rod (6) is hinged between each moving block (4) and the buffer plate (2).

2. The buffer device for hoisting of elevator machinery according to claim 1, characterized in that: the movable block (4) is vertically provided with a telescopic rod (71), the upper end of the telescopic rod (71) is rotatably connected with a rotating roller (72) for supporting the buffer board (2), and the telescopic rod (71) is sleeved with a second spring (74) for pushing the rotating roller (72) to stably abut against the buffer board (2).

3. The buffer device for hoisting of elevator machinery according to claim 2, characterized in that: the upper end rigid coupling of telescopic link (71) has opening U-shaped connecting plate (714) up, changes roller (72) and is located between the relative lateral wall of connecting plate (714), changes roller (72) and passes through pivot (715) jointly with connecting plate (714) relative lateral wall, installs two jump rings (716) that lean on respectively on connecting plate (714) relative lateral wall on pivot (715).

4. The buffer device for hoisting of elevator machinery according to claim 2, characterized in that: the telescopic rod (71) comprises a vertically arranged sleeve (711) and a sliding rod (712) inserted in the sleeve (711), and the connecting plate (714) is fixedly connected to the upper end of the sliding rod (712).

5. The buffer device for hoisting of elevator machinery as claimed in claim 4, wherein: the sleeve (711) is provided with a guide rod (713) with a polygonal cross section, and the end face of the sliding rod (712) is provided with a slide way for the guide rod (713) to be inserted.

6. The buffer device for hoisting of elevator machinery as claimed in claim 4, wherein: one end of the sleeve (711) far away from the sliding rod (712) is fixedly connected with an installation plate (73) which is abutted against the upper side face of the moving block (4), and clamping components which are matched with the installation plate (73) in a clamping mode are arranged on two side faces, which are deviated from the moving block (4).

7. The buffer device for hoisting of elevator machinery as claimed in claim 6, wherein: the clamping assembly comprises a clamping plate (41) attached to the side face of the mounting plate (73), a rotating rod (44) is fixedly connected to the lower side face of the clamping plate (41), the rotating rod (44) is rotatably connected to the moving block (4) around the axis of the rotating rod (44), and a torsion spring (45) for driving the clamping plate (41) to be attached to the mounting plate (73) in a sleeved mode is arranged on the rotating rod (44); one surface of the clamping plate (41) facing the mounting plate (73) is fixedly connected with a clamping strip (42), and the mounting plate (73) is provided with a clamping groove (75) for inserting the clamping strip (42).

8. The buffer device for hoisting of elevator machinery according to claim 7, characterized in that: a wane (46) which is obliquely arranged with the splint (41) is fixedly connected on the rotating rod (44).