CN115876055A - Measuring device for measuring distance between elevator car and well wall - Google Patents

Measuring device for measuring distance between elevator car and well wall Download PDF

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Publication number
CN115876055A
CN115876055A CN202310065810.4A CN202310065810A CN115876055A CN 115876055 A CN115876055 A CN 115876055A CN 202310065810 A CN202310065810 A CN 202310065810A CN 115876055 A CN115876055 A CN 115876055A
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China
Prior art keywords
groove
scale rod
measuring
scale
distance
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Pending
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CN202310065810.4A
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Chinese (zh)
Inventor
王学忠
杨新振
李会滨
张云生
李向东
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Binzhou Special Equipment Inspection And Research Institute
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Binzhou Special Equipment Inspection And Research Institute
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Application filed by Binzhou Special Equipment Inspection And Research Institute filed Critical Binzhou Special Equipment Inspection And Research Institute
Priority to CN202310065810.4A priority Critical patent/CN115876055A/en
Publication of CN115876055A publication Critical patent/CN115876055A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B50/00Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies

Abstract

The embodiment of the invention discloses a measuring device for measuring the distance between a lift car and a well wall of an elevator, which comprises a first scale rod, a second scale rod, a transmission assembly and a controller, wherein the second scale rod is sleeved in a first mounting groove of the first scale rod and is in threaded connection with a first transmission piece; under the limitation of a first limiting part in the first mounting groove and a second limiting part on the outer side wall of the second scale rod, the rotation of the first transmission piece and the second scale rod around the preset direction can be converted into the position movement of the second scale rod relative to the first scale rod along the preset direction; the controller controls the extending distance of the second scale rod by controlling the forward and backward rotation of the first motor, so that the first scale rod and the second scale rod can be clamped at corresponding positions between the car and the wall of the well, the measuring device is taken out, the distance value between the car and the wall of the well can be read visually, and the convenience and the accuracy of measuring the distance between the car and the wall of the well are improved.

Description

Measuring device for measuring distance between elevator car and well wall
Technical Field
The application relates to the technical field of elevators, in particular to a measuring device for measuring the distance between a car and a hoistway wall.
Background
When measuring the distance between the car of the elevator and the hoistway wall, a straight ruler is generally used for measurement; but the measuring personnel can hardly make the straight ruler reach the position to be measured, so that the distance measurement error is large.
Disclosure of Invention
The embodiment of the invention provides a measuring device for measuring the distance between a car and a shaft wall of an elevator, which can improve the accuracy of measuring the distance between the car and the shaft wall of the elevator.
The invention provides a measuring device for measuring the distance between a car and a shaft wall of an elevator, which is used for measuring the distance between the car and the shaft wall of the elevator, and comprises:
the end face of the first scale rod is provided with a first mounting groove along a preset direction, the first mounting groove is provided with a first groove bottom, and the groove wall surface of the first mounting groove is provided with a first limiting part along the preset direction;
the second scale rod is sleeved in the first mounting groove, the second scale rod is provided with an annular groove, the annular groove extends along the preset direction, the opening of the annular groove is close to the first groove bottom, the groove wall of the annular groove is provided with a first threaded part, the outer side wall of the second scale rod is provided with a second limiting part arranged along the preset direction, and the first limiting part is matched with the second limiting part;
the transmission assembly comprises a first motor and a first transmission piece connected with an output shaft of the first motor, the first motor is mounted at the bottom of the first groove, the first transmission piece is provided with an accommodating groove, the accommodating groove extends along a preset direction, an opening of the accommodating groove is positioned on the end face, far away from the bottom of the first groove, of the first transmission piece, the groove wall of the accommodating groove is sleeved on the annular groove, a second threaded part is arranged on the groove wall of the accommodating groove, and the first threaded part is in threaded connection with the second threaded part;
the controller is installed on one side, close to the first groove bottom, of the first scale rod, and the controller is electrically connected with the first motor.
In some embodiments, the first position-limiting portion includes a protrusion, the protrusion is configured to be an elongated shape, the protrusion extends along the predetermined direction, the second position-limiting portion includes a slot, and a portion of the protrusion is located in the slot; alternatively, the first and second electrodes may be,
the first limiting portion comprises a clamping groove, the clamping groove is in a long strip shape, the clamping groove extends in the preset direction, the second limiting portion comprises a protrusion, and part of the protrusion is located in the clamping groove.
In some embodiments, the second threaded portion is located on an inner side wall of the first transmission piece, and the first threaded portion is located on a side wall of the annular groove close to the second threaded portion; alternatively, the first and second electrodes may be,
the second thread part is positioned on the outer side wall of the first transmission piece, and the first thread part is positioned on the side wall of the annular groove close to the second thread part.
In some embodiments, the outer side wall of the end of the first scale rod away from the first groove bottom is marked with a first starting point, the outer side wall of the end close to the first groove bottom is marked with a first stopping point, the first starting point and the first stopping point define a maximum value of a first measurement scale value along the preset direction, and the first measurement scale value gradually increases from the first starting point position to the first stopping point position;
the outer side wall of one end, far away from the first groove bottom, of the second scale rod is marked as a second starting point, the outer side wall of one end, close to the first groove bottom, of the second scale rod is marked with a second dead point, the second starting point and the second dead point define the maximum value of a second measurement scale value along the preset direction, and the second measurement scale value gradually increases from the second starting point position to the second dead point position;
when the second scale rod is drawn out of the first mounting groove so that the second measurement scale value is completely displayed, the first dead point corresponds to the second dead point in the radial direction of the first scale rod.
In some embodiments, the distance between the first starting point and the first dead center is equal to the distance between the second starting point and the second dead center.
In some embodiments, the central axis of the first transmission member is collinear with the central axis of the second scale rod.
In some embodiments, a second mounting groove is formed in one side, away from the opening of the annular groove, of the second scale rod, and the second mounting groove extends along the preset direction;
the measuring device further comprises a third scale rod, the transmission assembly further comprises a second motor, and the second motor is electrically connected with the controller; the third scale rod is sleeved in the second mounting groove, the second mounting groove is provided with a second groove bottom, the second motor is mounted at the second groove bottom, and an output shaft of the second motor is in transmission connection with the third scale rod so that the third scale rod can reciprocate along the preset direction.
In some embodiments, an inner wall surface of the second mounting groove is provided with a third limiting portion, an outer side wall of the third scale bar is provided with a fourth limiting portion, and the third limiting portion and the fourth limiting portion are matched so that the third scale bar reciprocates along the preset direction.
In some embodiments, a driving groove is formed in one side, close to the bottom of the second groove, of the third scale bar, the driving groove extends along the preset direction, and a third threaded portion is formed in the inner wall surface of the driving groove;
the transmission assembly further comprises a second transmission piece, the second transmission piece is rod-shaped, the second transmission piece is sleeved on the driving groove, a fourth threaded portion is arranged on the outer side wall of the second transmission piece, and the third threaded portion is in threaded connection with the fourth threaded portion.
In some embodiments, the measuring device for measuring the distance between the car of the elevator and the hoistway wall further comprises:
the button, the button set up in the lateral wall of first scale rod just is close to first tank bottom, the button with controller electric connection, the button passes through the controller control first motor and the operation of second motor.
Based on the measuring device for measuring the distance between the elevator car and the hoistway wall, provided by the invention, the first scale rod is provided with the first mounting groove along the preset direction, and the second scale rod is sleeved in the first mounting groove of the first scale rod; the second scale rod is provided with an annular groove along the preset direction, a first thread part is arranged in the annular groove of the second scale rod, the output shaft of the first motor is connected with a first transmission piece, the first transmission piece is provided with an accommodating groove, the groove wall of the accommodating groove is sleeved on the annular groove, a second thread part is arranged on the groove wall of the accommodating groove of the first transmission piece, and the first thread part is in threaded connection with the second thread part; the first transmission piece and the second scale rod can rotate around the preset direction along with the rotation of the first transmission piece around the preset direction, and the rotation of the first transmission piece and the second scale rod around the preset direction can be converted into the position movement of the second scale rod relative to the first scale rod along the preset direction; the controller can control the forward rotation or the reverse rotation of the first motor, can conveniently control the extending distance of the second scale rod relative to the first scale rod, and increases the measuring range of the measuring device; the extending distance of the second scale rod is controlled by controlling the first motor, so that the first scale rod and the second scale rod can be clamped at corresponding positions between the car and the hoistway wall, the measuring device is taken out, the distance value between the car and the hoistway wall can be read visually, and convenience and accuracy of distance measurement between the car and the hoistway wall are improved.
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 view showing the overall structure of a measuring apparatus for measuring a distance between a car and a hoistway wall of an elevator according to an embodiment of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is a schematic diagram of an overall structure of a first scale rod according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an overall structure of a second scale rod provided in an embodiment of the present invention;
fig. 5 is a schematic view of the overall structure of a third scale rod according to an embodiment of the present invention.
Description of reference numerals:
10. a first scale bar; 11. a first mounting groove; 111. a first tank bottom; 12. a first limiting part; 13. a first starting point; 14. a first stop point;
20. a second scale bar; 21. an annular groove; 22. a first threaded portion; 23. a second limiting part; 24. a second starting point; 25. a second stop point; 26. a second mounting groove; 261. a third limiting part; 262. the bottom of the second groove;
30. a transmission assembly; 31. a first motor; 32. a first transmission member; 321. a containing groove; 322. a second threaded portion; 33. a second motor; 34. a second transmission member; 341. a fourth threaded portion;
40. a controller;
50. a third scale bar; 51. a fourth limiting part; 52. a drive slot; 521. a third threaded portion;
60. pressing a key;
s, presetting a direction.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
When measuring the distance between the car of the elevator and the hoistway wall, a straight ruler is usually used for measurement; but the measuring personnel can hardly make the straight ruler reach the position to be measured, so that the distance measurement error is large.
In order to solve the above problems, referring to fig. 1 to 5, the present application provides a measuring device for measuring a distance between a car and a hoistway wall of an elevator, for measuring a distance between the car and the hoistway wall; the measuring device for measuring the distance between the car of the elevator and the hoistway wall may include a first scale bar 10, a second scale bar 20, a transmission assembly 30, and a controller 40.
Referring to fig. 2 to 3, the first scale rod 10 may be configured as a rod, one end surface of the first scale rod 10 is provided with a first mounting groove 11, and the first mounting groove 11 extends along a preset direction S; in order to make full use of the inner space of the first scale bar 10, the extension length of the first mounting groove 11 in the preset direction S is slightly smaller than the length of the first scale bar 10. The predetermined direction S may be an axial direction of the first scale bar 10.
The first mounting groove 11 has a first groove bottom 111, and an inner wall surface of the first mounting groove 11 may be provided with a first limiting portion 12, and the first limiting portion 12 extends along the predetermined direction S. Meanwhile, a first measurement scale is arranged on the outer side wall of the first scale rod 10 along the preset direction S, the first measurement scale is marked as a first intersection 13 from one end, far away from the first groove bottom 111, of the first scale rod 10 (it should be noted that an intersection point of the end surface of the first scale rod 10 and the axis of the first scale rod 10 is marked as a first intersection point, the position of the first origin 13 corresponds to the first intersection point in the radial direction of the first scale rod 10), one end, close to the first groove bottom 111, of the first scale rod is a first dead center 14, the first origin 13 and the first dead center 14 define the maximum value of a first measurement scale value along the preset direction S, and the first measurement scale value gradually increases from the first origin 13 to the first dead center 14; in order to improve the measurement accuracy of the measuring device, the measurement accuracy of the first measurement scale is millimeter.
In the present application, taking the measurement range of the first measurement scale value as 10cm for example, the first scale rod 10 marks the positions of 0cm and 1cm … … cm in sequence from the first starting point 13 to the first stopping point 14 along the preset direction S, and further, each cm range is subdivided into 10mm to achieve the millimeter measurement accuracy.
Referring to fig. 1 to 4, the second scale rod 20 is sleeved in the first mounting groove 11, an annular groove 21 is formed in one side of the second scale rod 20 close to the first groove bottom 111, and the annular groove 21 extends along a preset direction S; the wall surface of the annular groove 21 is provided with a first thread portion 22, the outer side wall of the second scale rod 20 is provided with a second limiting portion 23 extending along the preset direction S, and the first limiting portion 12 is matched with the second limiting portion 23, so that under the limiting action of the first limiting portion 12 and the second limiting portion 23, the second scale rod 20 can reciprocate in the first mounting groove 11 along the preset direction S.
Referring to fig. 4, a second measurement scale is disposed on an outer side wall of the second scale rod 20, the second measurement scale is a second starting point 24 from an end of the second scale rod 20 away from the first groove bottom 111, and a second stopping point 25 from an end close to the first groove bottom 111, the second starting point 24 and the second stopping point 25 define a maximum value of a second measurement scale value along the preset direction S, and the second measurement scale value gradually increases from the second starting point 24 to the second stopping point 25; in order to improve the measurement accuracy of the measurement apparatus, the second measurement scale is also 10cm, and the specific setting mode is consistent with that of the first measurement scale, which is not described herein again.
It should be noted that, when the second scale rod 20 is drawn from the first mounting groove 11 to the second stop 25, the second scale rod 20 reaches the maximum drawing range from the first mounting groove 11, and the position of the second stop 25 corresponds to the position of the first start 13, and the use of the second scale rod 20 increases the measuring range of the measuring device, thereby improving the practicability of the measuring device for measuring the distance between the car and the hoistway wall of the elevator.
Specifically, when the measuring device measures the distance between the car and the hoistway wall, one position on the car is recorded as a first measuring point, and one position on the hoistway wall is recorded as a second measuring point; when the measuring range of the first measuring scale value of the first scale rod 10 is not enough to cover the distance from the first measuring point to the second measuring point, the second scale rod 20 needs to be drawn out from the first mounting groove 11 along the preset direction S to increase the measuring range of the measuring device; when the measuring range of the first measuring scale value of the first scale rod 10 is enough to cover the distance from the first measuring point to the second measuring point, the first scale rod 10 is used for measuring, and the second scale rod 20 is collected in the first mounting groove 11.
Referring to fig. 2, the transmission assembly 30 may include a first motor 31 and a first transmission member 32 fixedly connected to an output shaft of the first motor 31, the first motor 31 is installed at the first groove bottom 111 of the first installation groove 11, an axis of the output shaft of the first motor 31 is consistent with the preset direction S, the first transmission member 32 extends along the preset direction S, and the first motor 31 may drive the first transmission member 32 to rotate around the preset direction S.
Further, an accommodating groove 321 is formed in an end surface of the first transmission element 32 away from the first groove bottom 111 (i.e., the first transmission element 32 away from the first motor 31), a groove wall of the accommodating groove 321 is sleeved in the annular groove 21, a groove wall of the accommodating groove 321 is provided with a second threaded portion 322, and the first threaded portion 22 is screwed with the second threaded portion 322.
Specifically, the outer side wall of the first transmission member 32 may be provided with a second threaded portion 322, the first threaded portion 22 may be provided in the annular groove 21 at a position corresponding to the outer side wall of the first transmission member 32, and the first threaded portion 22 is screwed with the second threaded portion 322.
In some embodiments, the inner wall surface of the receiving groove 321 may also be provided with a second threaded portion 322, the annular groove 21 may be provided with a first threaded portion 22 at a position corresponding to the inner wall surface of the second mounting groove 26, and the first threaded portion 22 is screwed with the second threaded portion 322.
The second graduated rod 20 is in threaded connection with the first transmission piece 32, and meanwhile, the second graduated rod 20 can move along the preset direction S under the limiting action of the first limiting part 12 and the second limiting part 23; further, with the rotation of the first transmission member 32 around the preset direction S, the rotation of the first transmission member 32 and the second scale rod 20 around the preset direction S can be converted into the position movement of the second scale rod 20 relative to the first scale rod 10 along the preset direction S.
It should be noted that the output shaft of the first motor 31 can move forward around the preset direction S, so that the first transmission member 32 can drive the second scale rod 20 to move along the preset direction S toward the direction away from the first groove bottom 111; the first motor 31 can also move reversely around the preset direction S, so that the first transmission piece 32 can drive the second scale rod 20 to move towards the direction close to the bottom of the first installation groove 11 along the preset direction S; the second scale rod 20 can be drawn out and collected with respect to the first scale rod 10 by the forward and reverse rotation of the first motor 31. Meanwhile, the first motor 31 is used for realizing the automation of the position movement of the second scale rod 20 relative to the first scale rod 10, and the automatic position movement is simple in structure and easy to realize.
Further, according to the different thread turning directions of the first thread portion 22 and the second thread portion 322, the first motor 31 can reversely move around the preset direction S, and the first transmission member 32 can drive the second scale rod 20 to move along the preset direction S toward the direction away from the first groove bottom 111; meanwhile, the first motor 31 can also move forward around the preset direction S, and the first transmission member 32 can drive the second scale rod 20 to move toward the direction close to the first groove bottom 111 along the preset direction S.
Referring to fig. 2, the controller 40 is installed at a side of the first scale bar 10 close to the first groove bottom 111, and the controller 40 is electrically connected to the first motor 31, so that the first motor 31 can rotate forward or backward around the predetermined direction S by controlling the controller 40; specifically, the controller 40 controls the first motor 31 to rotate in the forward direction, the first transmission member 32 can drive the second scale rod 20 to move along the preset direction S in a direction away from the first groove bottom 111, and at this time, the second scale rod 20 is drawn out of the first installation groove 11 of the first scale rod 10; the controller 40 controls the first motor 31 to rotate reversely, the first transmission member 32 can drive the second scale rod 20 to move towards the direction close to the first groove bottom 111 along the preset direction S, and at this time, the second scale rod 20 can move along the preset direction S to be collected in the first installation groove 11 of the first scale rod 10; the controller 40 is used to realize the automation of the position movement of the second scale rod 20 relative to the first scale rod 10, and the controller has simple structure and easy operation. And then control the distance that stretches out of second scale rod 20 through controlling first motor 31, make first scale rod 10 and second scale rod 20 can block and put the corresponding position between car and well wall, take out measuring device and can more directly perceivedly read the distance value between car and the well wall, improve convenience and the accuracy of distance measurement between car and the well wall.
Further, the user can separately operate the controller 40 to control the forward rotation or the reverse rotation of the first motor 31; the convenience of the measuring device for measuring the distance between the first measuring point and the second measuring point can be improved while the manpower and material resources for measuring the distance between the first measuring point and the second measuring point are saved; meanwhile, the user independently measures the distance between the first measuring point and the second measuring point, and the convenience of measuring the distance between the first measuring point and the second measuring point can be further improved.
Further, referring to fig. 2 to 3, the first position-limiting portion 12 may include a slot, the slot may be configured to be a long strip shape, and the slot extends along the preset direction S, the second position-limiting portion 23 may be configured to be a protrusion matched with the slot, and the protrusion is located in the slot, so that the second scale rod 20 may reciprocate relative to the first scale rod 10 along the direction defined by the protrusion and the groove; the first limiting portion 12 and the second limiting portion 23 are simple in structure, the direction of the second scale rod 20 reciprocating relative to the first scale rod 10 along the preset direction S can be accurately limited, and the structure is simple and easy to achieve.
In some embodiments, the first position-limiting portion 12 may also include a protrusion, the protrusion may be configured as a strip shape, and the protrusion extends along the predetermined direction S, the second position-limiting portion 23 may be configured as a slot engaged with the protrusion, and the protrusion is located in the slot; so that the second scale bar 20 can be reciprocally moved in the projection and recess defining direction with respect to the first scale bar 10.
Further, in order to collect the second scale rod 20 in the first mounting groove 11 more completely, the distance between the first starting point 13 and the first dead point 14 is equal to the distance between the second starting point 24 and the second dead point 25, and then the second scale rod 20 can be collected in the first mounting groove 11 under the condition that the first scale rod 10 is slightly longer than the second scale rod 20, so that the inner space of the first scale rod 10 can be more fully utilized, the appearance consistency of the measuring device can be improved, and the appearance attractiveness of the measuring device can be improved.
Further, the central axis of the first transmission member 32 is collinear with the central axis of the second scale rod 20, so that the second scale rod 20 can be connected with the first transmission member 32 by means of the screw thread, the smoothness of the screw thread connection between the second scale rod 20 and the first transmission member 32 can be improved, and the position relation between the second scale rod 20 and the first installation groove 11 of the first scale rod 10 can be adjusted conveniently.
Further, referring to fig. 4 to fig. 5 in combination with fig. 2, a second mounting groove 26 is disposed on a side of the second scale rod 20 away from the opening of the annular groove 21, and the second mounting groove 26 extends along the predetermined direction S; the measuring device for measuring the distance between the elevator car and the hoistway wall further comprises a third scale rod 50, and the third scale rod 50 can be sleeved in the second mounting groove 26.
Referring to fig. 4 to 5, the inner wall surface of the second mounting groove 26 is provided with a third limiting portion 261, the outer side wall of the third graduated rod 50 is provided with a fourth limiting portion 51, and the third limiting portion 261 and the fourth limiting portion 51 cooperate with each other to limit the moving direction of the third graduated rod 50 relative to the second graduated rod 20, and the third graduated rod 50 can reciprocate relative to the second graduated rod 20 along the predetermined direction S. Specifically, the third position-limiting portion 261 can be configured as a clamping groove, the fourth position-limiting portion 51 can be configured as a protrusion matched with the third position-limiting portion 261, and when the third scale rod 50 is located in the second installation groove 26, the protrusion is inserted into the clamping groove, so that the direction of the third scale rod 50 can be limited for the reciprocating motion in the second installation groove 26, and the smoothness of the third scale rod 50 in the second installation groove 26 can also be improved.
Further, a third measurement scale is arranged on the outer side wall of the third scale rod 50, the third measurement scale is a third starting point (not shown in the figure) from one end of the third scale rod 50 far away from the first groove bottom 111, and a third stopping point (not shown in the figure) from one end close to the first groove bottom 111, the third starting point and the third stopping point define a maximum value of a third measurement scale value along the preset direction S, and the third measurement scale value gradually increases from the third starting point to the third stopping point; in order to improve the measurement accuracy of the measurement device, the third measurement scale is also 10cm, and the specific setting mode is consistent with that of the second measurement scale, which is not described herein again.
In some embodiments, the third position-limiting portion 261 can also be a protrusion, the fourth position-limiting portion 51 can be a slot matched with the third position-limiting portion 261, and the protrusion is inserted into the slot when the third graduated rod 50 is located in the second installation slot 26.
Specifically, when the sum of the first measurement scale value and the second measurement scale value cannot meet the requirement of measuring the distance between the first measurement point and the second measurement point, the third scale rod 50 is drawn out from the second mounting groove 26, so as to increase the measurement range of the measuring device. When the first measurement scale value can meet the requirement of distance measurement between a first measurement point and a second measurement point, the second scale rod 20 is collected in the first mounting groove 11, and the third scale rod 50 is collected in the second mounting groove 26; when the sum of the first measurement scale value and the second measurement scale value can satisfy the requirement of measuring the distance between the first measurement point and the second measurement point, the third scale rod 50 is collected in the second installation groove 26.
Further, referring to fig. 5 in combination with fig. 2, a driving groove 52 is formed on a side of the third scale bar 50 close to the second groove bottom 262, the driving groove 52 extends along the predetermined direction S, and a third threaded portion (not shown) is formed on an inner wall surface of the driving groove 52.
The measuring device for measuring the distance between the elevator car and the hoistway wall further comprises a second transmission member 34, the second transmission member 34 is rod-shaped, the second transmission member 34 is sleeved in the driving groove 52, a fourth thread portion (not shown) is arranged on the outer side wall of the second transmission member 34, and the third thread portion is in threaded connection with the fourth thread portion.
The third scale rod 50 is in threaded connection with the second transmission member 34, and meanwhile, the third scale rod 50 can move along the preset direction S under the limiting action of the third limiting portion 261 and the fourth limiting portion 51; further, with the rotation of the second transmission member 34 around the preset direction S, the rotation of the second transmission member 34 and the third scale rod 50 around the preset direction S can be converted into the position movement of the third scale rod 50 relative to the second scale rod 20 along the preset direction S.
Further, referring to fig. 2 in conjunction with fig. 5, the output shaft of the second motor 33 can move forward around the preset direction S, so that the second transmission member 34 can drive the third scale rod 50 to move along the preset direction S toward a direction away from the second groove bottom 262; the second motor 33 can move reversely around the preset direction S, so that the second transmission member 34 can drive the third scale rod 50 to move along the preset direction S toward the direction close to the second groove bottom 262; the third scale rod 50 can be drawn out and collected with respect to the second scale rod 20 by the forward and reverse rotation of the second motor 33. Meanwhile, the second motor 33 is used for realizing the automation of the position movement of the third scale rod 50 relative to the second scale rod 20, and the structure is simple and easy to realize.
Meanwhile, the second motor 33 is electrically connected with the controller 40, and the controller 40 can be controlled to enable the second motor 33 to rotate around the preset direction S in a forward direction or a reverse direction; specifically, the controller 40 controls the second motor 33 to rotate in the forward direction, the second transmission member 34 can drive the third scale rod 50 to move along the preset direction S toward the direction away from the second groove bottom 262, and the third scale rod 50 is drawn out of the second mounting groove 26; the controller 40 controls the second motor 33 to rotate reversely, the second transmission member 34 can drive the third scale rod 50 to move towards the direction close to the second groove bottom 262 along the preset direction S, and the third scale rod 50 drawn out of the second installation groove 26 can move along the preset direction S to be collected into the second installation groove 26; the controller 40 can be further utilized to realize the automation of the position movement of the third scale rod 50 relative to the second scale rod 20, and the controller is simple in structure and easy to operate.
Further, referring to fig. 1 to 2, the measuring device for measuring the distance between the car and the hoistway wall of the elevator further includes a button 60, and the button 60 is disposed on the outer side wall of the first scale bar 10 near the first groove bottom 111 for manual holding and manual operation.
The button 60 is electrically connected to the controller 40, and the button 60 can control the movement of the first motor 31 and the second motor 33, including the start and stop and forward and reverse rotation of the first motor 31 and the second motor 33, through the controller 40, so as to improve the automation and the operation convenience of the measuring apparatus.
Further, the measuring device for measuring the distance between the car of the elevator and the hoistway wall further includes three position sensors, and the three position sensors are respectively connected to the controller 40. The three position sensors are respectively referred to as a first position sensor (not shown), a second position sensor (not shown), and a third position sensor (not shown).
Referring to fig. 2, the measuring device for measuring the distance between the car of the elevator and the hoistway wall includes a non-retractable portion and a retractable portion, wherein the non-retractable portion includes a first scale bar 10, and the retractable portion includes a second scale bar 20 and a third scale bar 50, it being understood that the second scale bar 20 is retractable with respect to the first scale bar 10, and the third scale bar 50 is retractable with respect to the second scale bar 20.
When the measuring device is in a normal state (i.e., in a state where the measuring device is not used), the second scale rod 20 is collected in the first mounting groove 11 of the first scale rod 10, and the third scale rod 50 is collected in the second mounting groove 26 of the second scale rod 20. Meanwhile, the end surface of the third scale rod 50 far from the second groove bottom 262 is flush with the end surface of the second scale rod 20 far from the second groove bottom 262, and the end surface of the second scale rod 20 far from the first groove bottom 111 is flush with the end surface of the first scale rod 10 far from the first groove bottom 111.
The first position sensor is installed on the end surface of the first scale rod 10 far away from the first groove bottom 111, the second position sensor is installed on the end surface of the second scale rod 20 far away from the first groove bottom 111, and the third position sensor is installed on the end surface of the third scale rod 50 far away from the second groove bottom 262.
When measuring device measures the distance between first measuring point and the second measuring point, need stretch into first scale rod 10 from first measuring point, and stretch into along the line direction of first measuring point to second measuring point, when first scale rod 10 kept away from the terminal surface and the butt of second measuring point of first tank bottom 111, first position sensor sends first butt signal, stop stretching into of first scale rod 10 this moment, directly read the distance value between first measuring point to the second measuring point from the measurement scale of the lateral wall of first scale rod 10.
When the distance between the first measuring point and the second measuring point is greater than the range of the measuring scale of the first scale rod 10, the first scale rod 10 extends from the first measuring point and extends along the direction of the connecting line from the first measuring point to the second measuring point, the first position sensor does not send the abutting signal, the second scale rod 20 extends along the preset direction S until one side of the second scale rod 20, which is far away from the second groove bottom 262, abuts against the second measuring point, the second position sensor sends the second abutting signal, the controller 40 receives the second abutting signal, controls the first motor 31 to rotate, at this moment, the extension of the second scale rod 20 is stopped, and then the distance value between the first measuring point and the second measuring point can be read from the measuring scales of the outer side walls of the first scale rod 10 and the second scale rod 20.
When the distance between the first measuring point and the second measuring point is larger than the range of the measuring scales of the first scale rod 10 and the second scale rod 20, the first scale rod 10 extends from the first measuring point and extends along the direction of a connecting line between the first measuring point and the second measuring point, the first position sensor does not send an abutting signal, and the second scale rod 20 extends along the preset direction S; the second position sensor does not send the butt signal, third scale rod 50 stretches into along preset direction S, one side and the second measuring point butt that second tank bottom 262 was kept away from to third scale rod 50, third position sensor sends the third butt signal, controller 40 receives the third butt signal, control second motor 33 rotates, stop stretching out of third scale rod 50 this moment, and then can follow the measurement scale of first scale rod 10, second scale rod 20 and third scale rod 50' S lateral wall and read the distance value between first measuring point to the second measuring point.
When the measurement device finishes measuring, the user presses the button 60 to make the controller 40 control the first motor 31 and the second motor 33 to rotate reversely around the preset direction S, so that the third scale rod 50 can be collected in the second mounting groove 26, and the second scale rod 20 can be collected in the first mounting groove 11.
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.

Claims (10)

1. A measuring device for measuring a distance between a car of an elevator and a hoistway wall, comprising:
the end face of the first scale rod is provided with a first mounting groove along a preset direction, the first mounting groove is provided with a first groove bottom, and the wall surface of the first mounting groove is provided with a first limiting part along the preset direction;
the second scale rod is sleeved in the first mounting groove, the second scale rod is provided with an annular groove, the annular groove extends along the preset direction, the opening of the annular groove is close to the first groove bottom, the groove wall of the annular groove is provided with a first threaded part, the outer side wall of the second scale rod is provided with a second limiting part arranged along the preset direction, and the first limiting part is matched with the second limiting part;
the transmission assembly comprises a first motor and a first transmission piece connected with an output shaft of the first motor, the first motor is mounted at the bottom of the first groove, the first transmission piece is provided with an accommodating groove, the accommodating groove extends along a preset direction, an opening of the accommodating groove is positioned on the end face, far away from the bottom of the first groove, of the first transmission piece, the groove wall of the accommodating groove is sleeved on the annular groove, a second threaded part is arranged on the groove wall of the accommodating groove, and the first threaded part is in threaded connection with the second threaded part;
the controller is installed on one side, close to the first groove bottom, of the first scale rod, and the controller is electrically connected with the first motor.
2. Measuring device for measuring the distance between the car of an elevator and a hoistway wall according to claim 1,
the first limiting part comprises a protrusion which is in a long strip shape and extends along the preset direction, the second limiting part comprises a clamping groove, and part of the protrusion is positioned in the clamping groove; alternatively, the first and second electrodes may be,
the first limiting portion comprises a clamping groove, the clamping groove is arranged in a long strip shape, the clamping groove extends in the preset direction, the second limiting portion comprises a protrusion, and part of the protrusion is located in the clamping groove.
3. Measuring device for measuring the distance between the car of an elevator and a hoistway wall according to claim 1,
the second thread part is positioned on the inner side wall of the first transmission piece, and the first thread part is positioned on the side wall of the annular groove close to the second thread part; alternatively, the first and second liquid crystal display panels may be,
the second thread part is positioned on the outer side wall of the first transmission piece, and the first thread part is positioned on the side wall of the annular groove close to the second thread part.
4. Measuring device for measuring the distance between the car of an elevator and a shaft wall according to claim 1,
the outer side wall of one end, far away from the first groove bottom, of the first scale rod is marked with a first starting point, the outer side wall of one end, close to the first groove bottom, of the first scale rod is marked with a first dead point, the first starting point and the first dead point define the maximum value of a first measurement scale value along the preset direction, and the first measurement scale value is gradually increased from the first starting point position to the first dead point position;
the outer side wall of one end, far away from the first groove bottom, of the second scale rod is marked as a second starting point, the outer side wall of one end, close to the first groove bottom, of the second scale rod is marked with a second dead point, the second starting point and the second dead point define the maximum value of a second measurement scale value along the preset direction, and the second measurement scale value gradually increases from the second starting point position to the second dead point position;
when the second scale rod is drawn out of the first mounting groove so that the second measurement scale value is completely displayed, the first dead point corresponds to the second dead point in the radial direction of the first scale rod.
5. Measuring device for measuring the distance between the car of an elevator and a shaft wall according to claim 4,
the distance between the first starting point and the first dead center is equal to the distance between the second starting point and the second dead center.
6. Measuring device for measuring the distance between the car of an elevator and a hoistway wall according to claim 1,
the central axis of the first transmission piece is collinear with the central axis of the second scale rod.
7. Measuring device for measuring the distance between the car of an elevator and a hoistway wall according to claim 1,
a second mounting groove is formed in one side, away from the opening of the annular groove, of the second scale rod, and extends along the preset direction;
the measuring device further comprises a third scale rod, the transmission assembly further comprises a second motor, and the second motor is electrically connected with the controller; the third scale rod is sleeved in the second mounting groove, the second mounting groove is provided with a second groove bottom, the second motor is mounted at the second groove bottom, and an output shaft of the second motor is in transmission connection with the third scale rod so that the third scale rod can reciprocate along the preset direction.
8. Measuring device for measuring the distance between the car of an elevator and a hoistway wall according to claim 7,
the inner wall surface of the second mounting groove is provided with a third limiting part, the outer side wall of the third scale rod is provided with a fourth limiting part, and the third limiting part is matched with the fourth limiting part so that the third scale rod can reciprocate along the preset direction.
9. Measuring device for measuring the distance between the car of an elevator and a hoistway wall according to claim 8,
a driving groove is formed in one side, close to the bottom of the second groove, of the third scale rod, the driving groove extends along the preset direction, and a third threaded portion is formed in the inner wall surface of the driving groove;
the transmission assembly further comprises a second transmission piece, the second transmission piece is rod-shaped, the second transmission piece is sleeved on the driving groove, a fourth thread portion is arranged on the outer side wall of the second transmission piece, and the third thread portion is in threaded connection with the fourth thread portion.
10. The measuring device for measuring the distance between the car of the elevator and the hoistway wall as recited in claim 7, further comprising:
the button, the button set up in the lateral wall of first scale rod just is close to first tank bottom, the button with controller electric connection, the button passes through the controller control first motor and the operation of second motor.
CN202310065810.4A 2023-02-06 2023-02-06 Measuring device for measuring distance between elevator car and well wall Pending CN115876055A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310065810.4A CN115876055A (en) 2023-02-06 2023-02-06 Measuring device for measuring distance between elevator car and well wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310065810.4A CN115876055A (en) 2023-02-06 2023-02-06 Measuring device for measuring distance between elevator car and well wall

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CN115876055A true CN115876055A (en) 2023-03-31

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CN102235846A (en) * 2011-04-13 2011-11-09 无锡市桥联冶金机械有限公司 Plum blossom hole measuring device
WO2016058033A1 (en) * 2014-10-17 2016-04-21 KERPELIS, Lina A measuring apparatus
CN106078718A (en) * 2016-08-08 2016-11-09 江苏捷帝机器人股份有限公司 A kind of multi-stage expansion type compounding machine mechanical arm
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CN213021295U (en) * 2020-10-26 2021-04-20 林榕源 Construction is with survey and drawing chi of being convenient for lateral adjustment structure
CN214892912U (en) * 2021-06-10 2021-11-26 上海医贝激光技术有限公司 Wound surface irradiation distance detection device
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Application publication date: 20230331