CN215625993U - Safety tongs debugging device - Google Patents
Safety tongs debugging device Download PDFInfo
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- CN215625993U CN215625993U CN202121535748.3U CN202121535748U CN215625993U CN 215625993 U CN215625993 U CN 215625993U CN 202121535748 U CN202121535748 U CN 202121535748U CN 215625993 U CN215625993 U CN 215625993U
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- safety gear
- guide rail
- measuring
- seat
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Abstract
The utility model belongs to the technical field of safety tongs, and particularly relates to a safety tong debugging device, which comprises: the base is provided with a safety gear mounting position; the simulation elevator guide rail is used for matching with the safety gear installed on the safety gear installation position; simulating an elevator guide rail having a lift pin; the driving mechanism is arranged on the base and used for driving the simulated elevator guide rail to move along the extending direction of the simulated elevator guide rail so that the lifting pin lifts the wedge block of the safety gear to be in contact with the simulated elevator guide rail, and the other wedge block of the safety gear compresses the spring of the safety gear; the spring compression amount measuring assembly is arranged on the base and used for measuring the spring compression amount of the safety gear; and when the compression amount of the spring reaches a target value, tightening a limiting bolt of the safety gear. The safety gear debugging device simulates the braking stroke of the safety gear of the elevator by simulating the matching of the guide rail of the elevator and the safety gear to be debugged, so as to debug the position of the safety gear component and ensure the safety and reliability of the safety gear.
Description
Technical Field
The utility model belongs to the technical field of safety tongs, and particularly relates to a safety tong debugging device.
Background
Safety tongs are an important safety part for elevator safety protection, and the safety reliability of the safety tongs directly influences whether an elevator car can be safely stopped or not. The safety reliability of the safety gear structure disclosed in patent document CA1298214C is related to factors such as the spring force of the spring and the position of the stopper bolt.
In the debugging process of the safety tongs, the position of the limiting bolt is adjusted manually mostly according to the spring stiffness or experience parameters, and the actual working condition of the elevator is difficult to simulate, so that the debugging result has certain deviation from the actual working condition.
SUMMERY OF THE UTILITY MODEL
Based on the above-mentioned drawbacks and deficiencies of the prior art, it is an object of the present invention to provide a safety gear adjusting device.
In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:
a safety gear commissioning apparatus comprising:
the base is provided with a safety gear mounting position;
the simulation elevator guide rail is used for matching with the safety gear installed on the safety gear installation position; simulating an elevator guide rail having a lift pin;
the driving mechanism is arranged on the base and used for driving the simulated elevator guide rail to move along the extending direction of the simulated elevator guide rail so that the lifting pin lifts the wedge block of the safety gear to be in contact with the simulated elevator guide rail, and the other wedge block of the safety gear compresses the spring of the safety gear;
the spring compression amount measuring assembly is arranged on the base and used for measuring the spring compression amount of the safety gear;
and when the compression amount of the spring reaches a target value, tightening a limiting bolt on a movable wedge block of the safety gear. The limiting bolt is arranged on the movable wedge block and moves together with the movable wedge block to limit the upward movement stroke of the movable wedge block.
As a preferred scheme, the spring compression amount measuring assembly comprises a first measuring card, a measuring fixed block and a second measuring card which are sequentially distributed along the spring compression direction of the safety tongs, guide rods are respectively installed on two sides of the measuring fixed block, and the first measuring card and the second measuring card are respectively in sliding fit with the corresponding guide rods; the first measuring card and the second measuring card are respectively arranged corresponding to two ends of the spring of the safety gear; the first measuring card is provided with a displacement sensor and a first air cylinder, and the driving end of the first air cylinder is in driving connection with the second measuring card; when another voussoir of safety tongs compressed safety tongs's spring, the first card of measuring and the second card of measuring of linkage were drawn close towards measuring the fixed block simultaneously, and the interval between the card is measured to first card of measuring and the second through displacement sensor acquisition to obtain the spring compression volume.
Preferably, the spring compression amount measuring assembly further comprises a lifting mechanism, and the lifting mechanism is used for driving the measuring fixing block to move up and down to be close to or far away from the spring of the safety gear.
As a preferred scheme, the lifting mechanism comprises a mounting seat, a lifting cylinder, a lifting seat and a guide upright post, the mounting seat is mounted on the base, one end of the guide upright post is fixed with the mounting seat, and the other end of the guide upright post extends to be in butt joint with the lifting seat and the lifting seat is matched with the guide upright post in a lifting way; the lifting cylinder is arranged on the mounting seat, and the driving end of the lifting cylinder is in driving connection with the lifting seat and is used for driving the lifting seat to ascend or descend; the lifting seat is fixedly connected with the measuring fixing block.
Preferably, the spring compression amount measuring assembly further comprises a first linear guide rail and a first driving cylinder, the first linear guide rail and the first driving cylinder are mounted on the base, the guide rail of the first linear guide rail is parallel to the guide rail of the simulated elevator, and the driving end of the first driving cylinder is in driving connection with the mounting base so as to drive the mounting base to move along the extending direction of the guide rail of the first linear guide rail.
Preferably, the spring compression amount measuring assembly further comprises a calibration block for calibrating the spacing between the first measuring card and the second measuring card.
Preferably, spring compression amount measuring assemblies are respectively arranged on two sides of the simulated elevator guide rail.
As a preferred scheme, the driving mechanism comprises a driving motor, a speed reducer and a ball screw, the driving motor is in driving connection with the speed reducer, the speed reducer is in driving connection with a screw of the ball screw, a nut seat of the ball screw is connected with one end of the simulated elevator guide rail, and the other end of the simulated elevator guide rail is limited by a warping-proof seat arranged on the base; the nut seat of the ball screw is further installed on the base through a second linear guide rail, and the guide rail of the second linear guide rail is parallel to the guide rail of the simulated elevator.
Preferably, the anti-warping seat comprises a seat body, the seat body is provided with a through hole for penetrating through the simulated elevator guide rail, and the seat body is provided with a rolling piece for movably guiding the simulated elevator guide rail.
As a preferred scheme, the safety gear installation position comprises a limiting seat and a micro-motion seat which are sequentially arranged along the extension direction of the simulated elevator guide rail, the limiting seat is used for limiting the motion of the safety gear along the lifting direction, and the micro-motion seat is used for positioning the safety gear along the direction vertical to the simulated elevator guide rail and can realize micro-motion along with the linkage of the safety gear.
Compared with the prior art, the utility model has the beneficial effects that:
the safety gear debugging device simulates the brake stroke test by simulating the matching of the elevator guide rail and the safety gear to be debugged, so as to debug the position of the safety gear component and ensure the safety and reliability of the safety gear.
Drawings
Fig. 1 is a schematic structural diagram of a safety gear debugging device according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a base plate of embodiment 1 of the present invention at a safety gear installation site;
FIG. 3 is a schematic structural view of a base plate of embodiment 1 of the present invention from another perspective at a safety gear installation site;
fig. 4 is a schematic structural diagram of another view of the safety gear debugging device according to embodiment 1 of the present invention;
fig. 5 is a schematic view of an installation structure of a ball screw according to embodiment 1 of the present invention;
fig. 6 is a schematic view of an installation structure of a limit switch of embodiment 1 of the utility model;
FIG. 7 is a schematic view showing the structure of a spring compression amount measuring assembly according to embodiment 1 of the present invention;
FIG. 8 is a schematic structural diagram of another perspective view of a spring compression amount measuring assembly according to embodiment 1 of the present invention;
fig. 9 is a schematic diagram of a calibration structure of a calibration block according to embodiment 1 of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention, the following description will explain the embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the utility model, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
Example 1:
as shown in fig. 1 to 9, the safety gear adjusting device of the present embodiment includes a base 1, and a simulated elevator guide rail 2, a driving mechanism I, and a spring compression amount measuring assembly II, which are installed on the base 1.
As shown in fig. 2 and 3, the base 1 of the present embodiment has a safety gear mounting position W for mounting and positioning a safety gear 0; the safety gear mounting positions W comprise a limiting seat W1 and a micro-motion seat W2 which are sequentially arranged along the extension direction of the simulated elevator guide rail, and two micro-motion seats W2 are respectively and oppositely distributed on two sides of the simulated elevator guide rail 2; the limiting seat W1 is used for limiting the movement of the safety gear along the lifting direction, and the micro-motion seat W2 is used for positioning the safety gear along the direction vertical to the simulated elevator guide rail and can realize micro-motion along with the linkage of the safety gear; specifically, the inching seat W2 comprises a seat body W-1 and a positioning pin W-2, wherein the positioning pin W-2 extends in a direction perpendicular to a guide rail of the simulated elevator and is slidably mounted on the seat body W-1, and the positioning pin W-2 is used for abutting against a clamp body of a safety clamp 0 mounted on the safety clamp mounting position W, so that corresponding positioning and inching are realized. Wherein, two positioning pins W-2 are combined into one, and the positioning pins penetrate through the clamp body of the safety clamp, and holes can be pre-opened on the corresponding clamp body.
The simulated elevator guide rail 2 of the embodiment is used for matching with a safety gear 0 arranged on a safety gear mounting position W; the simulated elevator guide rail 2 has a lift pin 20;
the driving mechanism I of the embodiment is mounted on the base 1 and is used for driving the simulated elevator guide rail 2 to move along the extending direction thereof, so that the lifting pin 20 lifts the wedge a of the safety gear to be in contact with the simulated elevator guide rail 2, and the other wedge b of the safety gear compresses the spring c of the safety gear, wherein the spring c is an elastic member such as a disc spring, a leaf spring, a spiral spring, an elastic rod and the like.
Specifically, the driving mechanism I comprises a driving motor 3, a speed reducer 4 and a ball screw, the driving motor 3 is in driving connection with the speed reducer 4, the speed reducer 4 is in driving connection with a screw 5a of the ball screw, the screw 5a of the ball screw is installed on the base 1 through two bearing seats 5, a nut seat 5b of the ball screw is connected with one end of the simulated elevator guide rail 2, and the other end of the simulated elevator guide rail 2 is limited through an anti-warping seat 6 installed on the base; two sides of the nut seat 5b of the ball screw are also respectively installed on the base 1 through a second linear guide rail 7, and the guide rail of the second linear guide rail 7 is parallel to the simulated elevator guide rail 2, so that the straightness and stability of the operation of the nut seat of the ball screw are ensured. In addition, two travel switches K are further installed on the base 1 and used for controlling the movement travel of the nut seat.
The anti-warping seat 6 comprises a seat body 6a, the seat body 6a is provided with a through hole 6b used for penetrating through a simulation elevator guide rail, the seat body 6a is provided with a rolling piece 6c used for movably guiding the simulation elevator guide rail, and the rolling piece 6c can be a rolling piece commonly used such as a roller and a bearing, so that the anti-warping is realized, and the movement of the simulation elevator guide rail is not influenced.
The spring compression amount measuring assembly II of the embodiment is used for measuring the spring compression amount of the safety gear. Specifically, as shown in fig. 6 to 8, the spring compression amount measuring assembly II includes a first measuring card 8, a measuring fixing block 9, and a second measuring card 10, which are sequentially distributed along the spring compression direction of the safety gear, guide rods 11 are respectively installed on two sides of the measuring fixing block 9, and the first measuring card 8 and the second measuring card 10 are respectively in sliding fit with the corresponding guide rods 11; the first and second measuring cards 8 and 10 are provided corresponding to both ends of the spring c of the safety gear, respectively, so as to measure the compression amount of the spring of the safety gear. In addition, a displacement sensor 12 and a first air cylinder 13 are arranged on the first measuring card 8, and the driving end of the first air cylinder 13 is in driving connection with the second measuring card 10; when another voussoir b of safety gear compressed the spring c of safety gear, the first card 8 and the second card 10 of measuring of linkage were drawn close towards measuring fixed block 9 simultaneously, obtained the interval between first card and the second card of measuring through displacement sensor 12 to obtain the spring compression volume.
Wherein, spring compression volume measurement assembly II still includes elevating system, and elevating system is used for the drive to measure the fixed block and goes up and down the activity in order to be close to or keep away from the spring of safety tongs. Specifically, the lifting mechanism comprises a mounting seat 14, a lifting cylinder 15, a lifting seat 16 and a guide upright post 17, wherein the mounting seat 14 is mounted on the base 1, one end of the guide upright post 17 is fixed with the mounting seat 14, and the other end of the guide upright post 17 extends to be in butt joint with the lifting seat 16 and the lifting seat 16 is matched with the guide upright post 17 in a lifting way; the lifting cylinder 15 is installed on the installation base 14, and the driving end of the lifting cylinder 15 is in driving connection with the lifting base 16 and is used for driving the lifting base 16 to ascend or descend; the lifting seat 16 is fixedly connected with the measuring fixed block 9. In addition, the spring compression amount measuring assembly further comprises a first linear guide rail 18 and a first driving cylinder 19 which are installed on the base 1, the guide rail of the first linear guide rail 18 is parallel to the simulated elevator guide rail 2, and the driving end of the first driving cylinder 19 is in driving connection with the installation base 14 so as to drive the installation base 14 to move along the guide rail extending direction of the first linear guide rail; so as to measure and reset the spring compression of the safety gear.
As shown in fig. 9, the spring compression amount measuring assembly II of the present embodiment further includes a calibration block 21 for calibrating the distance between the first measuring card 8 and the second measuring card 10 before each measurement of the spring compression amount, so as to ensure the accuracy of each measurement of the spring compression amount.
In addition, the safety gear debugging device of this embodiment installs spring compression volume measurement assembly respectively in the both sides of simulation elevator guide rail to carry out the position debugging to two-way safety gear, promote debugging efficiency.
According to the safety gear debugging device, the output torque of the driving motor is controlled, the driving motor is started to drive the simulation elevator guide rail to lift the safety gear, when the compression amount of the spring reaches a target value, the limiting bolt d on the movable wedge block of the safety gear is tightened, and the debugging of the safety gear is completed.
Example 2:
the safety gear adjusting device of the embodiment is different from the embodiment 1 in that:
a spring compression amount measuring assembly mounted on one side of the simulated elevator guide rail is omitted, the spring compression amount of the one-way safety tongs can be measured, the structure is simplified, and the requirements of different application scenes are met;
other structures can refer to embodiment 1.
Example 3:
the safety gear adjusting device of the embodiment is different from the embodiment 1 in that:
the driving mechanism can also adopt the existing common driving piece or driving mechanism, so long as the screw rod of the ball screw can be driven to rotate quickly;
other structures can refer to embodiment 1.
The foregoing has outlined rather broadly the preferred embodiments and principles of the present invention and it will be appreciated that those skilled in the art may devise variations of the present invention that are within the spirit and scope of the appended claims.
Claims (10)
1. A safety gear debugging device is characterized by comprising:
the base is provided with a safety gear mounting position;
the simulation elevator guide rail is used for matching with the safety gear installed on the safety gear installation position; simulating an elevator guide rail having a lift pin;
the driving mechanism is arranged on the base and used for driving the simulated elevator guide rail to move along the extending direction of the simulated elevator guide rail so that the lifting pin lifts the wedge block of the safety gear to be in contact with the simulated elevator guide rail, and the other wedge block of the safety gear compresses the spring of the safety gear;
the spring compression amount measuring assembly is arranged on the base and used for measuring the spring compression amount of the safety gear;
and when the compression amount of the spring reaches a target value, tightening a limiting bolt on a movable wedge block of the safety gear.
2. The safety gear debugging device according to claim 1, wherein the spring compression amount measuring assembly comprises a first measuring card, a fixed measuring block and a second measuring card which are sequentially distributed along the spring compression direction of the safety gear, guide rods are respectively arranged on two sides of the fixed measuring block, and the first measuring card and the second measuring card are respectively matched with the corresponding guide rods in a sliding manner; the first measuring card and the second measuring card are respectively arranged corresponding to two ends of the spring of the safety gear; the first measuring card is provided with a displacement sensor and a first air cylinder, and the driving end of the first air cylinder is in driving connection with the second measuring card; when another voussoir of safety tongs compressed safety tongs's spring, the first card of measuring and the second card of measuring of linkage were drawn close towards measuring the fixed block simultaneously, and the interval between the card is measured to first card of measuring and the second through displacement sensor acquisition to obtain the spring compression volume.
3. The safety gear adjusting device according to claim 2, wherein the spring compression amount measuring assembly further comprises a lifting mechanism for driving the measuring fixing block to move up and down to get close to or away from the spring of the safety gear.
4. The safety gear debugging device of claim 3, wherein the lifting mechanism comprises a mounting seat, a lifting cylinder, a lifting seat and a guide upright post, the mounting seat is mounted on the base, one end of the guide upright post is fixed with the mounting seat, and the other end of the guide upright post extends to be in butt joint with the lifting seat and the lifting seat is matched with the guide upright post in a lifting way; the lifting cylinder is arranged on the mounting seat, and the driving end of the lifting cylinder is in driving connection with the lifting seat and is used for driving the lifting seat to ascend or descend; the lifting seat is fixedly connected with the measuring fixing block.
5. The safety gear debugging device of claim 4, wherein the spring compression amount measuring assembly further comprises a first linear guide rail and a first driving cylinder, the first linear guide rail is parallel to the simulated elevator guide rail, and a driving end of the first driving cylinder is in driving connection with the mounting base to drive the mounting base to move along the extension direction of the first linear guide rail.
6. The safety gear adjustment device according to claim 2, wherein the spring compression amount measuring assembly further comprises a calibration block for calibrating the spacing between the first measurement card and the second measurement card.
7. A safety gear debugging device according to any one of claims 2-6, characterized in that spring compression measurement assemblies are provided on both sides of the simulated elevator guide rail.
8. The safety gear debugging device according to claim 1, wherein the driving mechanism comprises a driving motor, a speed reducer and a ball screw, the driving motor is in driving connection with the speed reducer, the speed reducer is in driving connection with a screw of the ball screw, a nut seat of the ball screw is connected with one end of the simulated elevator guide rail, and the other end of the simulated elevator guide rail is limited by an anti-warping seat arranged on the base; the nut seat of the ball screw is further installed on the base through a second linear guide rail, and the guide rail of the second linear guide rail is parallel to the guide rail of the simulated elevator.
9. A safety gear adjusting device according to claim 8, wherein the anti-warping seat comprises a seat body, the seat body is provided with a through hole for penetrating the simulated elevator guide rail, and the seat body is provided with a rolling member for movably guiding the simulated elevator guide rail.
10. The safety gear debugging device according to any one of claims 1 to 6, wherein the safety gear mounting position comprises a limiting seat and a inching seat which are sequentially arranged along the extension direction of the simulated elevator guide rail, the limiting seat is used for limiting the movement of the safety gear along the lifting direction, and the inching seat is used for positioning the safety gear along the direction perpendicular to the simulated elevator guide rail and can realize inching along with the linkage of the safety gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121535748.3U CN215625993U (en) | 2021-07-07 | 2021-07-07 | Safety tongs debugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121535748.3U CN215625993U (en) | 2021-07-07 | 2021-07-07 | Safety tongs debugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215625993U true CN215625993U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121535748.3U Active CN215625993U (en) | 2021-07-07 | 2021-07-07 | Safety tongs debugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215625993U (en) |
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2021
- 2021-07-07 CN CN202121535748.3U patent/CN215625993U/en active Active
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