CN215755810U

CN215755810U - Speed limiter detection device capable of adapting to various elevator models

Info

Publication number: CN215755810U
Application number: CN202121907882.1U
Authority: CN
Inventors: 杨光达
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-02-08
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a speed limiter detection device capable of adapting to various elevator models, which comprises a base, wherein two groups of transverse sliding grooves are symmetrically formed in the left side and the right side of the rear end of the base, a sliding arm is connected in the transverse sliding grooves in a sliding mode, a supporting leg is fixedly connected to the rear end of the sliding arm, a first screw rod is connected to the sliding arm in a threaded mode and is rotatably connected to the end part of the base, a first knob is fixedly connected to the outer side end of the sliding arm, a longitudinal displacement adjusting assembly is arranged in the middle of the top end of the base, a transverse displacement adjusting assembly is arranged at the output end of the top of the longitudinal displacement adjusting assembly, a pressing assembly is arranged at the output end of the top of the transverse displacement adjusting assembly, a motor is fixedly connected to the top end of the pressing assembly, and a rubber friction wheel is fixedly installed at the output end of the motor. The practical effect is good, is worth using widely in elevator safety technical field market now.

Description

Speed limiter detection device capable of adapting to various elevator models

Technical Field

The utility model relates to the technical field of elevator safety, in particular to a speed limiter detection device capable of adapting to various elevator models.

Background

Whether an elevator can operate safely depends on several links of production, installation, maintenance and use. According to statistics, more than 60% of elevator accidents are caused by improper maintenance and use, which is accompanied by the safety problem of the elevator, how to detect the operation condition of the elevator more professionally, eliminate hidden safety faults of the elevator, avoid potential safety hazards caused by the elevator accidents, and become a common concern of urban residents and users. In the case of a brake failure, a broken wire rope or insufficient braking force of the elevator, the elevator may cause the car to fall over speed. The elevator speed limiter is used as a main protection device for preventing the elevator from overspeed and is an indispensable safety part for ensuring the safety of the elevator. The detection of the action speed of the elevator speed limiter and the judgment of whether the elevator speed limiter is in a qualified range are one of necessary processes for determining whether the elevator is safe.

At present, in the field verification of the elevator speed limiter, a steel wire rope is firstly taken off in the conventional method, then a rubber wheel at the front end of an electric hand drill drives a rope wheel of the elevator speed limiter in a handheld electric hand drill mode, and the rope wheel of the elevator speed limiter is slowly accelerated until the action speed of the speed limiter is reached. And finally, measuring the speed of the speed limiter during the electrical action and the mechanical action. The hand-held electric hand drill must be manually held in the process, and the driving rubber wheel must be kept in contact with the speed governor sheave. In the detection method, the electric drill is held by an operator for a long time, so that fatigue is generated, the detection method is unsafe, and the measurement precision is influenced. Aiming at the problems, the utility model designs the speed limiter detection device which can adapt to various elevator models.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the speed limiter detection device which can adapt to various elevator models. The problem is solved as far as possible to provide a speed limiter detection device which does not need to be held by hands and is convenient to adjust and can be adapted to various elevator models.

The utility model is realized by the following technical scheme:

the speed limiter detection device capable of adapting to various elevator models comprises a base, wherein two groups of transverse sliding grooves are symmetrically arranged on the left side and the right side of the rear end of the base, a sliding arm is connected in the transverse sliding groove in a sliding manner, a magnetic block is embedded at the rear end of the base, a supporting leg is fixedly connected at the rear end of the sliding arm, the sliding arm is in threaded connection with a first screw rod which is rotationally connected with the end part of the base and is fixedly connected with a first knob at the outer end thereof, a longitudinal displacement adjusting component is arranged in the middle of the top end of the base, a transverse displacement adjusting component is arranged at the output end of the top of the longitudinal displacement adjusting component, the output end of the top of the transverse displacement adjusting component is provided with a pressing component, the top end of the pressing component is fixedly connected with a motor, the rubber friction wheel is fixedly installed at the output end of the motor, and a friction ring matched with the rope groove on the rope wheel of the limiting stopper is arranged in the middle of the rubber friction wheel.

Preferably, vertical displacement adjusting part contains vertical slide rail, slide, strengthening rib, second screw rod, spacing circle and second knob, vertical slide rail fixed connection is at base top middle part, slide sliding connection is inboard at vertical slide rail, slide front end left and right sides symmetry is provided with two sets of strengthening ribs, second screw rod threaded connection slide, second screw rod lower extreme rotates through spacing circle and connects on the base, second screw rod bottom fixed connection second knob.

Preferably, a rotating groove is formed in the middle of the top end of the base, the limiting rotating ring is rotatably connected in the rotating groove, and the inner ring of the limiting rotating ring is fixedly connected to the outer wall of the second screw rod.

Preferably, the lateral displacement adjusting component comprises a lateral slide rail, a T-shaped slide block, a third screw rod, a bearing, a support plate and a third knob, the bottom end of the lateral slide rail is fixedly connected to the top end of the slide seat, the T-shaped slide block is slidably connected to the lateral slide rail, the third screw rod is in threaded connection with the T-shaped slide block, the front portion of the third screw rod is connected with the support plate in a rotating mode through the bearing, the support plate is fixedly connected to the front end of the lateral slide rail, and the front end of the third screw rod is fixedly connected with the third knob.

Preferably, compress tightly the subassembly contain U type support, motor support, spacing slide bar, first pressure spring and stop nut U type support bottom mounting is on T type slider top, motor fixed mounting is on motor support top, motor support sliding connection is in U type support upper end, spacing slide bar is provided with four groups and fixed connection is in U type support inslot four corners department respectively, sliding connection is worn to establish respectively in motor support four corners on four groups of spacing slide bars, the cover has both ends and compresses tightly the first pressure spring of contact U type support inslot top end face and motor support face respectively on the spacing slide bar, stop slide bar upper end is threaded connection stop nut still.

Preferably, the compressing assembly further comprises an upper support, an upper hinged shaft, a connecting rod, a lower hinged shaft, a sliding sleeve, a transverse sliding rod and a second compression spring, four groups of upper supports are symmetrically installed at four corners of the bottom end of the motor support, the lower end of the upper support is hinged to one end of the connecting rod through the upper hinged shaft, the other end of the connecting rod is hinged to the upper end of the sliding sleeve through the lower hinged shaft, two sets of transverse inward caulking grooves are symmetrically formed in the front and the rear of the U-shaped support, two ends of the transverse sliding rod are respectively and fixedly connected to the left end and the right end of the transverse inward caulking groove, the sliding sleeve is slidably connected to the transverse sliding rod, and the second compression spring is sleeved on the transverse sliding rod and two sets of sliding sleeves are respectively and oppositely arranged at two ends of the contact bilateral symmetry.

The utility model has the beneficial effects that:

through with the base through two sets of supporting leg overlap joint that its rear side symmetry set up on the overspeed governor base and cooperate magnetic force piece can be fine fix whole device on the overspeed governor base and use, fine stability has, after that through vertical displacement adjusting part and horizontal displacement adjusting part respectively with accurate and stopper rope sheave looks press tightly the contact with the rubber friction wheel of motor tip, it is convenient to adjust, wherein can increase the contact surface between rubber friction wheel and the stopper rope sheave through the friction ring that sets up, avoid the emergence of the condition of skidding, be in the state of compressing tightly all the time between assurance rubber friction wheel and the stopper rope sheave that the subassembly can be fine through the setting up that compresses tightly, avoid motor vibrations to influence being connected between rubber friction wheel and the stopper rope sheave.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention at the first screw;

FIG. 3 is a longitudinal cross-sectional view of the present invention;

FIG. 4 is a transverse cross-sectional view of the present invention at a T-shaped slide;

fig. 5 is a front view of the present invention.

In the figure: 1-base, 101-transverse sliding groove, 2-sliding arm, 3-supporting leg, 4-first screw, 5-first knob, 6-longitudinal sliding rail, 7-sliding seat, 8-reinforcing rib, 9-second screw, 10-limiting rotating ring, 11-second knob, 12-transverse sliding rail, 13-T type sliding block, 14-third screw, 15-bearing, 16-supporting plate, 17-third knob, 18-U type support, 1801-transverse inner caulking groove, 19-motor support, 20-limiting sliding rod, 21-first compression spring, 22-limiting nut, 23-upper support, 24-upper hinged shaft, 25-connecting rod, 26-lower hinged shaft, 27-sliding sleeve, 28-transverse sliding rod, 29-second hold-down spring, 30-motor, 31-rubber friction wheel, 32-friction ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

Please refer to fig. 1-5, a speed limiter detection device capable of adapting to various elevator models, which comprises a base 1, two sets of transverse chutes 101 are symmetrically arranged on the left and right sides of the rear end of the base 1, sliding arms 2 are slidably connected in the transverse chutes 101, supporting legs 3 are fixedly connected to the rear ends of the sliding arms 2, first screws 4 are screwed on the sliding arms 2, the first screws 4 are rotatably connected to the end of the base 1 and fixedly connected to first knobs 5 at the outer ends thereof, a longitudinal displacement adjusting assembly is arranged in the middle of the top end of the base 1, a transverse displacement adjusting assembly is arranged at the top output end of the longitudinal displacement adjusting assembly, a compressing assembly is arranged at the top output end of the transverse displacement adjusting assembly, a motor 30 is fixedly connected to the top end of the compressing assembly, the motor 30 is electrically connected to a power supply, a rubber friction wheel 31 is fixedly installed at the output end of the motor 30, and a friction ring 32 matched with a rope groove on a rope wheel of a stopper is arranged in the middle of the rubber friction wheel 31.

Specifically, the magnetic block is still embedded to base 1 rear end, and the 3 bottom of supporting leg face overlap joint is in overspeed governor base inside groove bottom.

Referring to fig. 1 and 3, the longitudinal displacement adjusting assembly includes a longitudinal slide rail 6, a slide base 7, reinforcing ribs 8, a second screw 9, a limiting rotary ring 10 and a second knob 11, the longitudinal slide rail 6 is fixedly connected to the middle portion of the top end of the base 1, the slide base 7 is slidably connected to the inner side of the longitudinal slide rail 6, two sets of reinforcing ribs 8 are symmetrically arranged on the left side and the right side of the front end of the slide base 7, the second screw 9 is in threaded connection with the slide base 7, the lower end of the second screw 9 is rotatably connected to the base 1 through the limiting rotary ring 10, the bottom end of the second screw 9 is fixedly connected to the second knob 11, and the slide base 7 can be driven to move up and down along the longitudinal slide rail 6 through the second screw 9 only by rotating the second knob 11.

The rotation groove has been seted up at base 1 top middle part, and spacing change 10 circles rotate to be connected at this rotation inslot, and spacing change 10 inner circles fixed connection on second screw rod 9 outer wall.

Referring to fig. 1 and 3, the lateral displacement adjusting assembly includes a lateral slide rail 12, a T-shaped slider 13, a third screw 14, a bearing 15, a support plate 16 and a third knob 17, the bottom end of the lateral slide rail 12 is fixedly connected to the top end of the slide base 7, the T-shaped slider 13 is slidably connected to the lateral slide rail 12, the third screw 14 is in threaded connection with the T-shaped slider 13, the front portion of the third screw 14 is rotatably connected to the support plate 16 through the bearing 15, the support plate 16 is fixedly connected to the front end of the lateral slide rail 12, the front end of the third screw 14 is fixedly connected to the third knob 17, and the T-shaped slider 13 can be driven to move back and forth along the lateral slide rail 12 through the third screw 14 by rotating the third knob 17.

Referring to fig. 5, the pressing assembly includes a U-shaped support 18, a motor support 19, a limit slide bar 20, a first pressing spring 21 and a limit nut 22, the bottom end of the U-shaped support 18 is fixed on the top end of the T-shaped slider 13, a motor 30 is fixedly installed on the top end of the motor support 19, the motor support 19 is slidably connected to the upper end of the U-shaped support 18, the limit slide bar 20 is provided with four groups of springs and is respectively and fixedly connected to four corners in a groove of the U-shaped support 18, four corners of the motor support 19 are respectively inserted into the four groups of limit slide bars 20, the limit slide bar 20 is sleeved with the first pressing spring 21, two ends of the first pressing spring are respectively in pressing contact with the top end surface in the groove of the U-shaped support 18 and the bottom end surface of the motor support 19, the upper end of the limit slide bar 20 is further in threaded connection with the limit nut 22, and the rubber friction wheel 31 at the output end of the motor 30 can be in pressing contact with the speed governor all the time through the effect of the first pressing spring 21.

The compressing component also comprises an upper bracket 23, an upper articulated shaft 24, a connecting rod 25, a lower articulated shaft 26, a sliding sleeve 27, a transverse sliding rod 28 and a second compressing spring 29, four groups of upper brackets 23 are symmetrically installed at four corners of the bottom end of the motor support 19, the lower end of the upper bracket 23 is articulated with one end of the connecting rod 25 through the upper articulated shaft 24, the other end of the connecting rod 25 is articulated with the upper end of the sliding sleeve 27 through the lower articulated shaft 26, two groups of transverse embedded grooves 1801 are symmetrically arranged at the front side and the rear side of the U-shaped support 18, two ends of the transverse sliding rod 28 are respectively and fixedly connected with the left end and the right end of the transverse embedded groove 1801, the sliding sleeve 27 is slidably connected on the transverse sliding rod 28, the second compressing spring 29 is sleeved on the transverse sliding rod 28, and two ends respectively press-contact two groups of sliding sleeves 27 symmetrically arranged at the left side and the right side, the rubber friction wheel 31 can be ensured to be in contact with the rope wheel of the limiter by the arranged second compression spring 29, and meanwhile, the rubber friction wheel and the rope wheel are prevented from being in excessive pressing contact.

In the utility model, when the device is used, the whole device is moved to the side of an elevator, then the steel wire rope of the elevator is firstly taken off, then the rear end face of a base 1 is adsorbed on the front end face of a speed limiter base through a magnetic block, then first knobs 5 on the left side and the right side are respectively rotated to enable two groups of supporting legs 3 to be lapped on the bottom end face of an inner groove of the speed limiter base, at the moment, the whole device has good stability, then a third knob 17 is rotated, a T-shaped sliding block 13 is driven to be displaced to a proper position back and forth along a transverse sliding rail 12 through a third screw 14, then a second knob 11 is rotated, a sliding seat 7 is driven to be displaced to a proper height up and down along a longitudinal sliding rail 6 through a second screw 9, at the moment, a rubber friction wheel 31 arranged at the output end of a motor 30 is matched with a speed limiter rope wheel, at the moment, a friction ring 32 is matched with a rope groove on the rope wheel, so that the contact area between the rubber friction wheel 31 and the speed limiter rope wheel is increased, skid when avoiding detecting, can driving motor 30 work after the installation is accomplished, motor 30 drives rubber friction wheel 31 and friction ring 32 and progressively accelerates the rotation, and then detect the overspeed governor situation of elevator through other detecting instrument, in motor 30 rotates the in-process, because motor 30 can produce vibrations, can make the rubber friction wheel 31 of motor 30 output with the overspeed governor rope sheave to compress tightly the contact all the time through the effect that compresses tightly first hold-down spring 21 in the subassembly, guarantee the continuity of detecting, avoid both excessive extrusion contact when simultaneously can guarantee rubber friction wheel 31 and stopper rope sheave contact through the second hold-down spring 29 that sets up, avoid causing too much wearing and tearing to overspeed governor rope sheave and rubber friction wheel 31.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. Can adapt to overspeed governor detection device of multiple elevator model, its characterized in that: comprises a base (1), two groups of transverse sliding grooves (101) are symmetrically arranged on the left side and the right side of the rear end of the base (1), a magnetic block is embedded in the rear end of the base (1), a sliding arm (2) is slidably connected in the transverse sliding groove (101), a supporting leg (3) is fixedly connected to the rear end of the sliding arm (2), a first screw (4) is in threaded connection with the sliding arm (2), the first screw (4) is rotatably connected to the end of the base (1) and a first knob (5) is fixedly connected to the outer end of the base, a longitudinal displacement adjusting component is arranged in the middle of the top end of the base (1), a transverse displacement adjusting component is arranged at the top output end of the longitudinal displacement adjusting component, a pressing component is arranged at the top output end of the transverse displacement adjusting component, a motor (30) is fixedly connected to the top end of the pressing component, a rubber friction wheel (31) is fixedly installed at the output end of the motor (30), and a friction ring (32) matched with the rope groove on the rope wheel of the stopper is arranged in the middle of the rubber friction wheel (31).

2. The speed governor detecting device adaptable to various elevator models according to claim 1, characterized in that: vertical displacement adjusting part contains vertical slide rail (6), slide (7), strengthening rib (8), second screw rod (9), spacing circle (10) and second knob (11), vertical slide rail (6) fixed connection is at base (1) top middle part, slide (7) sliding connection is inboard at vertical slide rail (6), slide (7) front end left and right sides symmetry is provided with two sets of strengthening rib (8), second screw rod (9) threaded connection slide (7), second screw rod (9) lower extreme rotates through spacing circle (10) and connects on base (1), second screw rod (9) bottom fixed connection second knob (11).

3. The speed governor detecting device adaptable to various elevator models according to claim 2, characterized in that: the middle of the top end of the base (1) is provided with a rotating groove, the limiting rotating ring (10) is rotatably connected in the rotating groove, and the inner ring of the limiting rotating ring (10) is fixedly connected to the outer wall of the second screw rod (9).

4. The speed governor detecting device adaptable to various elevator models according to claim 1, characterized in that: lateral displacement adjusting part contains transverse slide rail (12), T type slider (13), third screw rod (14), bearing (15), backup pad (16) and third knob (17), transverse slide rail (12) bottom fixed connection is on slide (7) top, T type slider (13) sliding connection is on transverse slide rail (12), third screw rod (14) threaded connection T type slider (13), third screw rod (14) front portion is through bearing (15) rotation joint support board (16), backup pad (16) fixed connection is at transverse slide rail (12) front end, third screw rod (14) front end fixed connection third knob (17).

5. The speed governor detecting device adaptable to various elevator models according to claim 1, characterized in that: the pressing component comprises a U-shaped support (18), a motor support (19), a limiting slide rod (20), a first pressing spring (21) and a limiting nut (22), the bottom end of the U-shaped support (18) is fixed at the top end of the T-shaped sliding block (13), the motor (30) is fixedly arranged at the top end of the motor support (19), the motor support (19) is connected to the upper end of the U-shaped support (18) in a sliding way, four groups of limiting slide bars (20) are arranged and are respectively fixedly connected at four corners in the groove of the U-shaped support (18), four corners of the motor support (19) are respectively penetrated and connected with four groups of limit slide bars (20) in a sliding way, a first compression spring (21) with two ends respectively in compression contact with the top end surface in the groove of the U-shaped support (18) and the bottom end surface of the motor support (19) is sleeved on the limiting slide bar (20), the upper end of the limiting slide rod (20) is also in threaded connection with a limiting nut (22).

6. The speed governor detecting device adaptable to various elevator models according to claim 5, characterized in that: the compressing component also comprises an upper bracket (23), an upper articulated shaft (24), a connecting rod (25), a lower articulated shaft (26), a sliding sleeve (27), a transverse sliding rod (28) and a second compressing spring (29), four groups of upper brackets (23) are symmetrically arranged at the four corners of the bottom end of the motor support (19), the lower end of the upper bracket (23) is hinged with one end of a connecting rod (25) through an upper hinge shaft (24), the other end of the connecting rod (25) is hinged with the upper end of the sliding sleeve (27) through a lower hinged shaft (26), two groups of transverse embedded grooves (1801) are symmetrically arranged at the front side and the rear side of the U-shaped support (18), two ends of the transverse sliding rod (28) are respectively and fixedly connected with the left end and the right end of the transverse embedded groove (1801), the sliding sleeve (27) is connected to the transverse sliding rod (28) in a sliding mode, the second compression spring (29) is sleeved on the transverse sliding rod (28) and two ends of the second compression spring are respectively in compression contact with two sets of sliding sleeves (27) which are symmetrically arranged in the left-right mode in a compression mode.