CN216038016U

CN216038016U - Foldable elevator manual barring gear

Info

Publication number: CN216038016U
Application number: CN202122563582.2U
Authority: CN
Inventors: 冯双昌; 陈杰; 张鹏曌; 方良; 常晓清
Original assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Current assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-15
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a foldable manual barring for an elevator, which comprises a disc and is characterized in that a first base and a second base are arranged in the center of the disc, the first base is rotatably connected with one side of a rotating seat, the other side of the rotating seat is detachably connected with the second base, the rotating seat is fixedly connected with one end of a connecting pipe, the other end of the connecting pipe is telescopically connected with one end of a central shaft, a gear is arranged at the other end of the central shaft, and a fixing device is arranged on the inner surface of the disc; when the rotary seat is separated from the second base, the connecting pipe rotates to a position close to or contacting the inner surface of the disc and is fixedly connected with the fixing device. The folding type computer mainframe can be folded, and the occupation of the space of the mainframe room can be reduced when the folding type computer mainframe is not used. When square pipe expandes, the trip can enter into the inside to the draw-in groove fast for square pipe just can be high efficiency ground vertical fixation in disc, and square pipe safe and reliable after fixing can bear great external force.

Description

Foldable elevator manual barring gear

Technical Field

The utility model relates to an elevator manual barring gear, in particular to a foldable elevator manual barring gear.

Background

In the elevator main machine room, the barring is one of indispensable safety device, and the elevator barring is used for driving the host computer rotatory under the condition that the elevator closes the people, realizes then stopping the car in corresponding position, is convenient for rescue.

The elevator barring mainly comprises a disc and a driving shaft, wherein the driving shaft is provided with a gear which is used for being matched with a gear on a traction sheave of a main machine to drive the traction sheave of the elevator to rotate. The barring needs to be suspended when not in use, and because the disc is perpendicular to the driving shaft, when the driving shaft is normally installed on the disc, the driving shaft is in a horizontal state, so that the space in the main computer room can be influenced. Of course, there are separate designs between the drive shaft and the disc, and when the drive shaft needs to be mounted on the disc by a tool, the mounting process is troublesome.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: how to reduce the occupied space of the drive shaft without lowering the operation efficiency when the drive shaft is not used.

In order to solve the technical problems, the technical scheme of the utility model provides a foldable manual barring for an elevator, which comprises a disc and is characterized in that a first base and a second base are arranged at the center of the disc, the first base is rotatably connected with one side of a rotating seat, the other side of the rotating seat is detachably connected with the second base, the rotating seat is fixedly connected with one end of a connecting pipe, the other end of the connecting pipe is telescopically connected with one end of a central shaft, a gear is arranged at the other end of the central shaft, and a fixing device is arranged on the inner surface of the disc; when the rotary seat is separated from the second base, the connecting pipe rotates to a position close to or contacting the inner surface of the disc and is fixedly connected with the fixing device.

Preferably, the first base is rotatably connected with the rotating base through a rotating shaft; the other side of the rotating seat is connected with the second base through a buckle.

Preferably, the opposite side of roating seat be equipped with the draw-in groove, the draw-in groove matches with the trip phase on the slip cassette, the trip is located the one side that is close to the roating seat on the slip cassette, it still is equipped with the guide arm to lie in the trip homonymy on the slip cassette, the guide arm lies in between trip and the disc, the guide arm passes and cup joints with the spring behind the guide arm hole on the second base, spring one end top is on the second base, the spring other end is fixed on the guide arm, the height that highly is higher than the second base of slip cassette.

Preferably, the back surfaces of the clamping groove and the clamping hook are provided with inclined surfaces; when the connecting pipe is folded in the direction perpendicular to the disc, the two inclined planes are extruded mutually, so that the clamping hook quickly enters the clamping groove.

Preferably, a row of positioning holes are formed in the central shaft along the length direction of the central shaft, at least one hole corresponding to the positioning hole is formed in the side face of the other end of the connecting pipe, and one of the positioning holes in the central shaft is connected with the hole in the connecting pipe through a positioning pin.

Preferably, the other end of the central shaft is further provided with a retainer ring, and the retainer ring is arranged on one side of the gear, which is close to the rotating seat.

Preferably, one side of the retainer ring positioned on the fixing device is provided with a notch parallel to the inner surface of the disc.

Preferably, the fixing device is a buckle, and a ball head protrusion for positioning the connecting pipe is arranged on the inner surface of the buckle.

Preferably, the connecting pipe be square pipe, the center pin is the pipe, the inside of square pipe is located to center pin one end is scalable, center pin one end be equipped with square pipe hole assorted square, the square becomes the diameter that is greater than the center pin, the square pipe other end be equipped with center pin assorted round hole.

Preferably, the outer edge of the disc is fixed with an outer ring, the outer edge of the disc is provided with a plurality of hand holding grooves, and the hand holding grooves and the outer ring form a holding part.

Compared with the prior art, the utility model has the following beneficial effects:

the folding type computer mainframe can be folded, and the occupation of the space of the mainframe room can be reduced when the folding type computer mainframe is not used. When square pipe expandes, the trip can enter into the inside to the draw-in groove fast for square pipe just can be high efficiency ground vertical fixation in disc, and square pipe safe and reliable after fixing can bear great external force. The square tube and the central shaft adopt telescopic design, and can be suitable for different elevator hosts.

Drawings

Fig. 1 is a schematic view of the overall structure of a foldable manual jigger for elevators;

fig. 2 is a schematic view of a collapsible elevator hand-operated barring in a disassembled configuration;

fig. 3 is a schematic view of a foldable manual elevator barring gear after being folded.

Detailed Description

In order to make the utility model more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.

The utility model provides a foldable manual barring for an elevator, which comprises a disc 1 and an outer ring 2 welded on the outer edge of the disc 1, wherein a plurality of hand-holding grooves 3 are uniformly distributed on the outer edge of the disc 1, the hand-holding grooves 3 and the outer ring 2 form a holding part, and the center of the disc 1 is provided with two bases, namely a first base 4 and a second base 5. The base is connected to the central portion.

The center part includes square pipe 7 and center pin 8, and square pipe 7's one end is fixed with swivel mount 6, and there is the pivot one side of swivel mount 6, and the both ends at this side of swivel mount 6 are fixed in the pivot, locate the pivot groove that matches with the pivot on the first base 4, and this pivot is connected with first base 4 rotates, and square pipe 7 just can do the rotation of certain angle around swivel mount 6 like this.

The second base 5 is provided with a sliding clamping seat 11, the sliding clamping seat 11 penetrates through the second base 5 through two guide rods, then the two guide rods are sleeved with springs 12, one end of each spring 12 abuts against the second base 5, the other end of each spring 12 is fixed on the corresponding guide rod, and each spring 12 is used for enabling the sliding clamping seat 11 to slide towards the second base 5. The tip of slip cassette 11 is equipped with the trip, is equipped with draw-in groove 61 on the 6 opposite sides of roating seat, draw-in groove 61 and the trip phase-match on the slip cassette 11, and under the promotion of spring 12, the trip can catch on draw-in groove 61. And, the back of draw-in groove 61 and trip all has the inclined plane, and when square pipe 7 was folded to the direction of perpendicular to disc 1, two inclined planes extruded each other, made the trip can enter into the inside to draw-in groove 61 fast, square pipe 7 just can be fast high-efficient ground vertical fixation in disc 1 like this. The clamping hook and the guide rod are both arranged on one side, close to the rotating seat 6, of the sliding clamping seat 11, and the guide rod is located between the clamping hook and the disc 1. The height of the slide clamping seat 11 is higher than that of the second base 5.

There is center pin 8 in the square pipe 7, and center pin 8 is the pipe, and the scalable inside of placing in square pipe 7 of center pin 8, 8 one end of center pin have with square pipe 7 hole assorted square, the square becomes the diameter that is greater than center pin 8, this square can transmit the moment of torsion on the one hand, on the other hand can guarantee that square pipe 7 and center pin 8 keep at coaxial state. The other end of the central shaft 8 is provided with a gear 9, the inner edge of the gear 9 is provided with a check ring, one side of the check ring is provided with a notch, and the notch is parallel to the inner surface of the disc 1, so that the square pipe 7 is more attached to the disc 1.

The other end of the square tube 7 is provided with a round hole matched with the central shaft 8, the central shaft 8 is prevented from being separated from the square tube 7 through the round hole, the central shaft 8 can stretch in the square tube 7, and the two are kept in a concentric state. A row of positioning holes 81 is formed in the center shaft 8 along the longitudinal direction of the center shaft 8, a hole is also formed in the side surface of the end portion of the square tube 7, and the center shaft 8 can be fixed inside the square tube 7 by a positioning pin passing through the hole in the end portion of the square tube 7 and one of the positioning holes 81. The positioning pin passes through different positioning holes 81, and the central shaft 8 can realize adjustment of different stretching amounts.

The inner surface of the disc 1 is also provided with a buckle 10, the buckle 10 has certain elasticity, and the inner surface of the buckle 10 is provided with a ball head protrusion for positioning the square pipe 7. When the square tube 7 is laid down (folded), i.e., the square tube 7 is laid on the inner surface of the disc 1, the clip 10 can clamp it.

The switching process between the use and non-use of the utility model is as follows:

when the manual barring gear for the elevator is not used, the square tube 7 is clamped in the buckle 10 for fixing, when the manual barring gear is required to be used, the square tube 7 is manually taken up from the buckle 10, the square tube 7 drives the rotating seat 6 to rotate, namely, the rotating shaft on one side of the rotating seat 6 rotates with the first base 4, so that the square tube 7 is gradually perpendicular to the disc 1, when the inclined plane on the back of the clamping groove 61 on the other side of the rotating seat 6 is pressed on the inclined plane on the back of the clamping hook on the sliding clamping seat 11, the sliding clamping seat 11 overcomes the elastic force of the spring 12 through the sliding between the two inclined planes and retracts backwards until the upper position and the lower position of the two inclined planes are staggered, the sliding clamping seat 11 rebounds through the action of the spring 12, so that the clamping hook quickly enters the clamping groove 61 for clamping, and the square tube 7 is completely perpendicular to the disc 1 at the moment. Then, the elevator can be manually turned to drive the main machine to rotate, and then the car can be stopped at the corresponding position.

After the manual barring gear for the elevator is used, the sliding clamping seat 11 is pulled manually to drive the clamping hooks at the end parts of the two guide rods to retract and separate from the clamping groove 61, so that the square tube 7 can rotate through the rotating seat 6, then the rotating seat 6 is laid down (folded) on the inner surface of the disc 1, and the square tube 7 is clamped into the clamping buckle 10 and fixed. The space occupied by one side of the inner surface of the disc 1 can be saved.

Claims

1. A foldable manual barring for an elevator comprises a disc (1) and is characterized in that a first base (4) and a second base (5) are arranged at the center of the disc (1), the first base (4) is rotatably connected with one side of a rotating seat (6), the other side of the rotating seat (6) is detachably connected with the second base (5), the rotating seat (6) is fixedly connected with one end of a connecting pipe, the other end of the connecting pipe is telescopically connected with one end of a central shaft (8), a gear (9) is arranged at the other end of the central shaft (8), and a fixing device is arranged on the inner surface of the disc (1); when the rotary seat (6) is separated from the second base (5), the connecting pipe rotates to a position close to or in contact with the inner surface of the disc (1) and is fixedly connected with the fixing device.

2. A foldable manual jigger for elevators according to claim 1, wherein the first base (4) is rotatably connected to the rotary base (6) by a rotary shaft; the other side of the rotating seat (6) is connected with the second base (5) through a buckle.

3. The foldable manual barring for the elevator as claimed in claim 2, wherein a clamping groove (61) is formed in the other side of the rotating seat (6), the clamping groove (61) is matched with a clamping hook on the sliding clamping seat (11), the clamping hook is arranged on one side, close to the rotating seat (6), of the sliding clamping seat (11), a guide rod is further arranged on the sliding clamping seat (11) on the same side as the clamping hook and located between the clamping hook and the disc (1), the guide rod penetrates through a guide rod hole in the second base (5) and then is sleeved with the spring (12), one end of the spring (12) abuts against the second base (5), the other end of the spring (12) is fixed on the guide rod, and the height of the sliding clamping seat (11) is higher than that of the second base (5).

4. A foldable manual jigger for elevators according to claim 3, wherein the back surfaces of the engaging groove (61) and the engaging hook are provided with inclined surfaces; when the connecting pipe is folded towards the direction vertical to the disc (1), the two inclined planes are mutually extruded, so that the clamping hook quickly enters the clamping groove (61).

5. A foldable manual jigger for elevators according to claim 1, wherein the central shaft (8) is provided with a row of positioning holes (81) along the length of the central shaft (8), the side surface of the other end of the connecting pipe is provided with at least one hole corresponding to the positioning holes (81), and one of the positioning holes (81) of the central shaft (8) is connected with the hole of the connecting pipe by a positioning pin.

6. A foldable manual barring gear for elevators according to claim 5, wherein a retaining ring is further provided on the other end of the central shaft (8) and on the side of the gear (9) adjacent to the rotating seat (6).

7. A foldable manual barring gear for elevators according to claim 6, characterized in that the side of the retaining ring on the fixing means is provided with a cut parallel to the inner surface of the disc (1).

8. A foldable manual barring gear for elevators according to claim 1 or 7, characterized in that the fixing means is a buckle (10), and the inner surface of the buckle (10) is provided with a ball head protrusion for positioning the connection pipe.

9. The foldable manual jigger for elevators according to claim 1, wherein the connecting pipe is a square pipe (7), the central shaft (8) is a circular pipe, one end of the central shaft (8) is telescopically arranged inside the square pipe (7), one end of the central shaft (8) is provided with a square block matched with an inner hole of the square pipe (7), the length of the square block is longer than the diameter of the central shaft (8), and the other end of the square pipe (7) is provided with a round hole matched with the central shaft (8).

10. The foldable manual jigger for elevators according to claim 1, wherein the outer rim of the disc (1) is fixed with an outer ring (2), the outer rim of the disc (1) is provided with a plurality of hand-holding grooves (3), and the hand-holding grooves (3) and the outer ring (2) form a holding part.