JP7409930B2 - Rail positioning device and rail positioning method - Google Patents

Description

The present invention relates to a rail positioning device and a rail positioning method for positioning elevator rails.

In developed countries such as Japan, North America, and Europe, the decline in the number of construction workers due to the declining birthrate and aging population has become a problem, and there is a need for labor-saving and improved work efficiency in construction work at elevator installation sites as well. . In the elevator installation work, the rail installation work takes the most time because it is repeated work for each floor. Elevator rails are located on both sides of the car, and the car moves up and down along these rails. Generally, the length of a single rail is 3 to 5 m, and when installing the rail, the individual rails are connected and erected in the hoistway, and the connected rails are raised and lowered with brackets so that they extend vertically. Fixed to road walls, steel frames, etc.

Conventionally, when positioning the rails, a rail gauge is used to match the distance between the two rails and the degree of opposition, and the rails are temporarily fixed to the wall surface using a bracket. Using the two piano wires drawn vertically from the top of the hoistway as reference cores, hammer the edges of the rails and brackets so that the rails are in the specified position relative to the piano wires to determine the position of the rails. After making fine adjustments, fix it. Since the rail positioning work affects the ride comfort of the car when going up and down, workers are required to have high skill to position the rails with high precision.

Therefore, as a prior art document that allows even unskilled workers to easily position the rails, there is, for example, an elevator guide rail centering device described in Patent Document 1. The purpose of the rail centering device described in Patent Document 1 is to provide an elevator guide rail centering device that can easily and precisely center and fix a rail using a laser. In order to solve this object, Patent Document 1 discloses an elevator guide rail centering device that irradiates a laser beam within a hoistway and centers a rail member using the laser beam as a reference. A laser emitter is disposed at a position, and an extension member is supported by the work floor of the car that moves up and down in the hoistway, and extends and comes into contact with the opposing hoistway wall to fix the base member between the hoistway walls. a contacting device, a light receiving section for the laser beam supported on the base member, a position adjustment device whose position can be adjusted within the same plane as the extension direction of the elongated contact device, and a position adjustment device that allows the base member to be connected to the base member through the position adjustment device. A configuration is described that includes a gripping device that is supported by the rail member and can grip the rail member.

Japanese Patent Application Publication No. 9-221288

However, since the rail centering device described in Patent Document 1 is basically intended to be operated by hand, it does not include a power unit and does not achieve sufficient labor reduction. In addition, in the rail centering device of the document, a contact body made of an elastic material such as rubber is attached to the tip of an extension contact device that is stretched against the wall surface, and the rail centering device is configured to move the rail in the front, back, left and right directions. When positioning, it is stated that the friction force generated when the contact body is pressed against the wall surface is used to prevent the device body from shifting, but it is necessary to specifically check and control the tension force. Since the method is not taken into account, the tension section may shift due to fluctuations in the tension force associated with rail positioning operations or the condition of the wall surface (such as when the opposing walls are not parallel or when the material of the target surface to be tensioned on the left and right is different). , there is a problem that rail positioning accuracy is not guaranteed.

SUMMARY OF THE INVENTION An object of the present invention is to provide a rail positioning device and a rail positioning method that can suppress displacement of a rail positioning device attached to a wall surface and improve rail positioning accuracy.

To achieve the above object, the present invention provides a rail positioning device for positioning rails installed in a hoistway, which includes a rail gauge for adjusting the distance between two opposing rails, and a rail gauge provided on the left and right sides of the rail gauge. a rail gripping portion that grips two opposing rails; a base that rotatably supports the center portion of the rail gauge in the left-right direction; a left and right position adjustment section, a contact section that is connected to the left and right sides of the left and right position adjustment section and contacts a wall surface or a steel frame, and a contact section that is provided on each of the left and right sides of the base and is rotatably connected to each of the left and right sides of the rail gauge. a pair of front and back position adjustment parts that are extendable and retractable in the front and rear directions; a position detection section that detects the position of the wall surface or the steel frame; a tension force detection section that detects the tension force of the left-right position adjustment section that contacts the wall surface or the steel frame; a control unit that controls the longitudinal position adjustment unit and the horizontal position adjustment unit to move the rail gauge to the installation position of the rail, and the position detection unit converges the received laser beam. A beam compressor is provided, and the control unit controls the left-right position adjustment unit so that the tension force becomes a predetermined value or more when the contact part contacts the wall surface or the steel frame and while the rail is moving. It is characterized by

The present invention also provides a rail positioning method for positioning a rail to be installed in a hoistway, in which a rail positioning device includes a rail gauge, a rail gripping part provided on the rail gauge, and a wall surface that extends and contracts in the left and right direction. a left-right position adjustment section that contacts to generate a tension force and moves the rail gauge in the left-right direction; a front-back position adjustment section that moves the rail gauge in the front-back direction; and a laser installed at the bottom of the hoistway. a position detection unit that receives laser light emitted from a plumber and detects the position of the rail positioning device based on the received laser light; and a control unit that controls the left- right position adjustment unit and the front-rear position adjustment unit. The control section includes a step of extending the telescopic section of the left-right position adjustment section and tensioning it against a wall surface after the rail positioning device moves up and down to a predetermined position for positioning the rail; a step of determining whether or not the value is greater than or equal to a predetermined value; a step of gripping the rail with the rail gripping section; a step of acquiring the current position of the rail positioning device with the position detection section; a step of controlling a position adjustment section to move the rail; a step of determining whether or not the tension force of the left and right position adjustment section is equal to or greater than a predetermined value while the rail is moving; If the above tension force has not been reached, a step of controlling the left and right position adjustment unit to adjust the tension force to a predetermined value or more; and a step of determining whether the rail is at a predetermined position coordinate. The position detecting section is characterized in that it includes a beam compressor that converges the received laser light .

According to the present invention, it is possible to provide a rail positioning device and a rail positioning method that can suppress displacement of a rail positioning device that is stretched against a wall surface and improve rail positioning accuracy.

Problems, configurations, and effects other than those described above will be made clear in the description of the following examples.

1 is a schematic diagram of a rail installation system 17 including a rail positioning device 100 according to Example 1. FIG. 2 is a diagram showing only the rail positioning device 100 taken out from FIG. 1. FIG. FIG. 3 is a schematic view of FIG. 2 viewed from above. 1 is a block diagram of a rail positioning device according to Example 1. FIG. It is a figure which shows the state of a rail positioning device when a wall surface is inclined. 3 is a flowchart of rail positioning work related to Example 1. FIG. FIG. 3 is a partially enlarged front view of the rail positioning device according to the second embodiment. FIG. 7 is a partially enlarged front view of the rail positioning device according to the third embodiment. FIG. 7 is a partially enlarged front view of the rail positioning device according to the fourth embodiment. FIG. 7 is a front view of a rail positioning device according to a fifth embodiment.

Hereinafter, the rail positioning device and rail positioning method of the present invention will be explained based on the illustrated embodiments. In addition, in each figure, the same code|symbol is attached|subjected to the same structure, and when description overlaps, the description may be abbreviate|omitted. In each embodiment of the present invention, the directions shown in the figures are defined as front and back, top and bottom, and left and right.

The various components of the present invention do not necessarily have to exist independently, and one component may be made up of multiple members, multiple components may be made of one member, or a certain component may be different from each other. It is allowed that a part of a certain component overlaps with a part of another component, etc.

[Overall configuration of rail installation system 17]
First, with reference to FIG. 1, the overall configuration of the rail installation system 17 will be described. FIG. 1 is a schematic diagram of a rail installation system 17 including a rail positioning device 100 according to the first embodiment. Here, in the first embodiment, the following items are assumed. The installation position of the elevator in the hoistway 1 has already been determined, and the rail 11 from the bottom to the top has been carried into the hoistway 1 and connected, and is not fixed to the wall surface 2 with the brackets 12. , it is suspended from the upper part of the hoistway 1 by a wire 13 or the like. Further, in the first embodiment, it is assumed that the lowest part of the rail is installed on the pit base 14 . The rail installation system 17 mainly includes two devices: a rail fixing device 9 and a rail positioning device 100.

Since the rail positioning device 100 itself does not have a lifting function, it is placed on a pedestal 8 installed on a work floor 7 and raised and lowered. In raising and lowering the rail positioning device 100, the rail positioning device 100 is placed on the pedestal 8 of the work floor 7, and the winder 4 is operated. The winder 4 winds up or lowers the winder rope 5 and stops when the rail positioning device 100 moves to a predetermined position. When the rail positioning device 100 completes the tensioning on the wall surface 2, the winder 4 is operated and the work floor 7 is moved to a position below the rail positioning device 100.

The rail positioning device 100 is a device for moving the rail 11 to a predetermined position and holding it. The rail fixing device 9 fixes the rail 11 held by the rail positioning device 100 to the wall surface 2. Therefore, the rail positioning device 100 holds the rail 11 until the rail fixing device 9 fixes the rail 11 to the wall surface 2.

The rail positioning device 100 includes a rail gauge 101, a rail gripping part 102, a front-rear position adjustment part 103, a left-right position adjustment part 104, a base 105, a wall contact part 106 (contact part), a control part 107, It is composed of a light receiving section 108 that detects the position of the rail, and a force sensor 109 (tension force detection section) that detects the tension force. The longitudinal position adjustment section 103 and the lateral position adjustment section 104 have a function as a rail position adjustment section that moves the rail 11 gripped by the rail gripping section 102 to a rail fixing position. The control section 107 controls this rail position adjustment section.

The rail gauge 101 is used to adjust the distance between two opposing rails 11.

The rail gripping parts 102 are provided on the left and right sides of the rail gauge 101, and grip two opposing rails 11.

The base 105 rotatably supports the center portion of the rail gauge 101 in the left-right direction about a fulcrum A112.

The lateral position adjustment section 104 is provided on the base 105, contacts the wall surface 2, and is capable of expanding and contracting in the lateral direction. Further, the left-right position adjustment section 104 moves the rail gauge 101 in the left-right direction while generating a tension force.

The wall surface contacting sections 106 are connected to the left and right sides of the left-right position adjustment section 104, and are brought into contact with and pressed against the wall surface by the tension force generated by the left-right position adjustment section 104.

The longitudinal position adjustment parts 103 are provided on the left and right sides of the base 105, and are rotatably connected to the left and right sides of the rail gauge 101 by a fulcrum B, and are extendable and retractable in the longitudinal direction. The longitudinal position adjustment section 103 moves the rail gauge 101 in the longitudinal direction.

The base 105 is formed with an elongated hole 105a that allows the fulcrum A112 to move in the front-rear direction in accordance with the expansion and contraction operations of the front-rear position adjustment section 103. The longitudinal position adjustment section 103 and the left and right position adjustment section 104 in the first embodiment are linear actuators that use electric power, hydraulic pressure, pneumatic pressure, etc. as a driving force, and generate force using an extensible piston section (extensible section).

The force sensor 109 is arranged between the left-right position adjustment section 104 and the wall surface contact section, and detects the tension force (reaction force from the wall surface).

Laser light 201 is used to detect the position of the rail. As shown in FIG. 1, two laser plumbers 200 are installed at the bottom of the hoistway 1, and two laser beams 201 irradiated in the vertical direction from the laser plumbers 200 are used as a reference center. The laser beam 201 is detected by a light receiving section 108 (position detecting section) such as a four-quadrant photodetector attached to the rail gauge 101 via a light receiving section mounting plate 111. The light receiving unit 108 detects the position of the rail gauge 101.

FIG. 4 is a block diagram of the rail positioning device according to the first embodiment. The control unit 107 includes a calculation unit, a storage unit storing a control program, etc., and a calculation unit that performs calculations based on the control program stored in the storage unit, the detected value of the light receiving unit 108, and the detected value of the force sensor 109. It has a department. Then, the control section 107 controls the longitudinal position adjustment section 103 and the lateral position adjustment section 104 based on the detection value of the light receiving section 108 and the detection value of the force sensor 109 to move the rail gauge 101 to the installation position of the rail 11. move it.

The control unit 107 detects the plane coordinates in the hoistway based on the laser beam 201 detected by the light receiving unit 108, and determines the installation position of the rail 11. Then, a control signal for operating the longitudinal position adjustment section 103 and the lateral position adjustment section 104 is output. Note that the detection accuracy can be improved if the light receiving unit 108 is equipped with a beam compressor or the like that reconverges the laser beam 201 that has spread in a distant place.

Next, the operation of the rail positioning device 100 will be explained. The rails 11 are installed in the hoistway 1 in pairs so as to sandwich a car (not shown) therebetween. The two rails 11 are gripped by a rail gripping section 102 of the rail positioning device 100. The rail gripping section 102 includes a clamp mechanism for gripping the rail 11, and is attached to both ends of the rail gauge 101. The length of the rigid body part of this rail gauge 101 is equal to the predetermined distance between the rails, and the rail gripping surfaces are parallel, so when the rail 11 is gripped by the rail gripping part 102, two pairs of It has a mechanism that shows the distance and parallelism between the rails.

The rail 11 is translated by a longitudinal position adjustment section 103 and a lateral position adjustment section 104. A longitudinal position adjusting section 103 that is extendable and retractable in the longitudinal direction is connected to the rail gauge 101 via a fulcrum B113, and the longitudinal position adjusting section 103 is attached to a base 105. Furthermore, the base 105 is attached with a left-right position adjustment section 104 that can be expanded and contracted in the left-right direction, and when the wall surface contact portions 106 of the left and right tips of the left-right position adjustment section 104 are pressed against the opposing wall surface 2. By using reaction force, the rail 11 is moved back and forth, left and right, and moved to a predetermined position. A force sensor 109 is provided between the left and right position adjustment section 104 and the wall contact section, and the force sensor 109 detects the tension force (reaction force) on the wall and controls the movement of the left and right position adjustment section 104. Used for control. In order to prevent the rail positioning device 100 from falling, it is necessary to control the control unit 107 so that the tension force exerted by the left-right position adjustment unit 104 becomes a predetermined value or more. Since the tension force needs to take into account the weight of the rail positioning device 100 and the rigidity of the rail 11, the control unit 107 takes these into consideration and calculates a predetermined value of the tension force. As described above, in the first embodiment, a plurality of rails 11 from the bottom to the top are carried into the hoistway 1 and connected, and exist in a state where they are not fixed to the wall surface 2 with the brackets 12. The rail 11 gripped by the rail gripping part 102 is subjected to a pressing force or a pulling force from another rail 11 that is not fixed by the bracket 12. The rigidity of the rail 11 in Example 1 means the pressing force and the separating force. The lateral position adjustment unit 104 moves in the lateral direction and determines the lateral position at which the rail 11 is fixed while maintaining the tension force at a predetermined value or higher.

Next, by adjusting the amount of movement of the two longitudinal position adjustment sections 103, the twist of the rail 11 can also be corrected. In addition, the two longitudinal position adjustment parts 103 and the rail gauge 101 are rotatably connected via the fulcrum B113, and the rail gauge 101 is rotatably connected via the base 105 and the fulcrum A112. The burden placed on the longitudinal position adjustment section 103 is reduced.

FIG. 5 is a diagram showing the state of the rail positioning device when the wall surface is inclined. In FIG. 5, the wall surface 2 is not parallel but slightly inclined.

As shown in FIG. 5, a rotating shaft 110 was installed at a location where the left-right position adjustment section 104 and the wall surface contact section 106 were connected. The rotation shaft 110 tilts the wall surface contact portion 106 with respect to the left-right position adjustment portion in accordance with the slope of the wall surface 2. In the first embodiment, since the left-right position adjustment section 104 and the wall surface contact section 106 are connected via the rotating shaft 110, the rail positioning device 100 can be stretched following the inclination of the wall surface. Note that it is preferable that at least one rotating shaft 110 is provided. Furthermore, a universal joint that can freely change the direction of rotation may be used at the connection point between the left-right position adjustment section 104 and the wall contact section 106.
[Rail positioning process]
Hereinafter, the steps of the rail positioning work will be explained using FIG. 6. FIG. 6 is a flowchart of the rail positioning work related to the first embodiment.

Here, it is assumed that the extendable parts of the longitudinal position adjustment section 103 and the lateral position adjustment section 104 of the rail positioning device 100 are minimized, and that the rail positioning device 100 is configured such that the rail fixing device 9 lifts and lowers the work floor 7. Assume that the rail has been moved to a height for positioning the rail (a step of raising and lowering the rail positioning device by the rail fixing device 9 to a predetermined position for positioning the rail). The rail positioning work is executed by a control program stored in the storage section of the control section 107.

First, the left-right position adjustment section 104 extends the extensible piston section in the left-right direction, brings the wall contact section 106 into contact with the wall surface 2, and tensions and fixes the rail positioning device 100 (Step S1: The left-right position adjustment section 104 expands and contracts). (process of stretching the part and pushing it against the wall). When the rail positioning device 100 completes pushing against the wall surface 2, the winder 4 is operated and the work floor 7 is moved to a position below the rail positioning device 100.

The force sensor 109 detects the tension force of the left-right position adjustment unit 104 on the wall surface 2, and determines whether the tension force on the wall surface 2 is greater than or equal to a predetermined value (Step S2: When the tension force of the left-right position adjustment unit 104 is a predetermined value). (process of determining whether the value is greater than or equal to the value).

Next, the rail 11 is gripped by the rail gripping part 102 of the rail positioning device 100 (step S3: a step of gripping the rail by the rail gripping part 102). At this time, the positions of the longitudinal position adjustment section 103 and the lateral position adjustment section 104 are finely adjusted so that the rail gripping section 102 contacts the two rails 11 .

After that, the light receiving unit 108 receives the laser beam 201 irradiated from the laser plumber 200 installed at the bottom of the hoistway, and acquires the current position coordinates of the rail positioning device 100 (step S4: the current position coordinates of the rail positioning device 100). process of obtaining position coordinates).

Next, the front-rear position adjustment unit 103 and the left-right position adjustment unit 104 are controlled to move the rail 11 to predetermined position coordinates (step S5: a step of controlling the front-rear and left-right position adjustment unit to move the rail), and the rail is located at a predetermined position coordinate (step S6: step of determining whether the rail 11 is located at a predetermined position coordinate). While the rail 11 is moving, the force sensor 109 monitors the tension force exerted on the wall surface 2 by the left-right position adjustment unit 104, and the rail positioning device 100 determines whether the tension force is greater than a predetermined value (step S7: (Step of determining whether the tension force of the left-right position adjustment unit 104 is equal to or greater than a predetermined value while the rail 11 is moving).

If the left-right position adjustment unit 104 has a tension force greater than a predetermined value, the process returns to step S5 and the process is repeated. In step S7, if the lateral position adjustment unit 104 has not reached the tension force equal to or greater than the predetermined value, the lateral position adjustment unit 104 is controlled to adjust the tension force to be equal to or greater than the predetermined value (step S8: lateral position adjustment unit 104). (a step of controlling the adjustment unit 104 to adjust the tension force to a predetermined value or more).

In step S6, if the rail is located at the predetermined position coordinates, the operations of the front-rear position adjustment unit 103 and the left-right position adjustment unit 104 are stopped, and the rail positioning work is completed (step S9: Complete rail positioning). process).

When the rail positioning is completed, the rail fixing device 9 is operated to drill holes in the wall surface 2 of the hoistway 1 and drive in anchor bolts (step S10: step of starting rail fixing work by the rail fixing device 9). Then, the bracket 12 is attached to the anchor bolt driven into the wall surface 2, the rail 11 is fixed to this bracket 12, and the rail fixing work is completed (step S11: step of completing the rail fixing work).

When the rail fixing work is completed, the winder 4 is operated to wind up the winder rope 5, and the rail positioning device 100 is placed on the pedestal 8 on the work floor 7. When the mounting of the rail positioning device 100 is completed, the left and right position adjustment unit 104 is operated in the direction of contraction, the tension force is released, and the left and right position adjustment unit 104 is minimized (step S12: the left and right position adjustment unit 104 is moved to the shortest length). process).

When the horizontal position adjustment section 104 has been minimized, the rail gripping section 102 is operated to release the rail 11 (step S13: releasing the rail gripping section 102). When the grip on the rail 11 is released, the entire load of the rail positioning device 100 is transferred to the rail fixing device 9. After releasing the grip on the rail 11, the longitudinal position adjusting section 103 is operated in the direction of contraction to minimize the longitudinal position adjusting section 103 (step S14: the process of minimizing the longitudinal position adjusting section 103). Then, the rail positioning work is completed.

With the above steps, positioning and fixing of the rail is completed. The rail 11 is installed on the wall surface 2 by changing the height and repeating the series of steps described above for each floor. In the first embodiment, the force sensor 109 was used as a means for detecting the tension force on the wall surface 2, but if the drive current of the left-right position adjustment section 104 can be measured, it can be used as an alternative detection means. You can. Furthermore, in the above-mentioned rail positioning process, the rail fixing device 9 is not necessarily essential, and includes a case where the rail fixing work is performed by an operator and the rail positioning device 100 of the present invention is used only for the rail positioning work.

According to the first embodiment, while the rail 11 is moving, it is determined whether the tension force of the left-right position adjusting section 104 is equal to or greater than a predetermined value, so that the left-right position adjusting section 104 is prevented from shifting from the wall surface. I can do it. According to the first embodiment, it is possible to provide a rail positioning device that can accurately judge the rail installation position according to the fluctuation of the tension force accompanying the rail positioning operation and the state of the wall surface, and can automate the rail positioning work. I can do it.

Next, Example 2 will be described using FIG. 7. FIG. 7 is a partially enlarged front view of the rail positioning device according to the second embodiment. The second embodiment differs from the first embodiment in the structure of the wall contact portion 106.

In the first embodiment described above, the wall contact portion 106 of the rail positioning device 100 is brought into surface contact with the wall surface 2 . However, if the wall surface 2 is made of concrete and has unevenness or dust on its surface, simply surface contact of the wall surface contact portion 106 may cause misalignment with the wall surface when the rail is translated in translation.

As a means to solve this problem, in Example 2, two pins 114 are attached to the surface of the wall contact portion 106 facing the wall surface 2 as shown in FIG. Since the rail positioning device 100 is bilaterally symmetrical, only half of the rail positioning device 100 is shown in FIG.

In the second embodiment, a pilot hole 18 is drilled in the wall surface 2 in advance. The prepared hole 18 is bored using, for example, the rail fixing device 9. A pin 114 attached to the wall contact portion 106 is inserted into the prepared hole 18 . Since the pins 114 act as spikes, it is possible to suppress the displacement of the wall contact portion 106 due to the reaction force generated during rail translation.

According to the second embodiment, the pin 114 is provided in the wall contact portion 106 and is inserted into the prepared hole 18 formed in the wall surface 2, so that the displacement of the rail positioning device due to unevenness of the wall surface or dust can be prevented. Can be suppressed.

Next, Example 3 will be described using FIG. 8. FIG. 8 is a partially enlarged front view of the rail positioning device according to the third embodiment. The third embodiment differs from the first and second embodiments in the structure of the contact portion.

In the second embodiment, the target that the wall contact portion 106 of the rail positioning device 100 tensions is a concrete wall surface, but there also exists a hoistway 1 made of a steel frame structure. Therefore, in Example 3, the contact portion was replaced with the wall surface contact portion 106 with the pin 114 shown in Example 2, and was replaced with a magnetic force generating portion 115 that generates magnetic force. In the second embodiment, the magnetic force generating section 115 is attracted to the steel frame 19 and is stretched. Here, the magnetic force generating section 115 is assumed to be one whose magnetic force is turned ON/OFF by air pressure or a solenoid, or one which generates electromagnetic force. In the third embodiment as well, since the surface of the steel frame may be inclined, it is preferable to have a structure that includes the rotating shaft 110 and follows the contact surface.

According to the third embodiment, the wall contact portion 106 is replaced with the magnetic force generation portion 115, and the magnetic force generation portion 115 is attracted to the steel frame, so that even if the inside of the hoistway 1 of the steel frame structure is Misalignment of the positioning device can be suppressed.

Next, Example 4 will be described using FIG. 9. FIG. 9 is a partially enlarged front view of the rail positioning device according to the fourth embodiment. The fourth embodiment differs from the first to third embodiments in the tension force detection section. In Examples 1 to 3, a force sensor 109 was connected to the tip of the movable part of the left-right position adjustment section 104 as a tension force detection section, and the force sensor 109 detected the tension force.

In the fourth embodiment, instead of the force sensor 109, an elastic body 116 such as a spring as shown in FIG. I am trying to calculate the tension force using Alternatively, if only the presence or absence of a tensile force greater than a predetermined value is to be detected, the displacement detection section 117 may be a contact switch or the like.

According to the fourth embodiment, it is possible to provide a rail positioning device that can accurately judge the rail installation position according to the variation in tension force accompanying the rail positioning operation and the state of the wall surface, and can automate the rail positioning work. .

Next, Example 5 will be described using FIG. 10. FIG. 10 is a front view of the rail positioning device according to the fifth embodiment. Embodiment 5 differs from Embodiments 1 to 4 in that a detachable connection section 118 is provided between the left-right position adjustment section 104 and the wall contact section 106 or the magnetic force generation section 115.

In the fifth embodiment, as shown in FIG. 10, it is assumed that one side of the wall 2 of the hoistway 1 is made of concrete and the opposite side is made of steel.

In the fifth embodiment, a connecting part 118 is provided between the left-right position adjusting part 104 and the wall contact part 106 or the magnetic force generating part 115, so that the structure can be easily attached and detached. The connecting portion 118 may be of a bolt type, but in consideration of workability, a pin type, one-touch coupler type, or the like is preferable.

According to the fifth embodiment, it is possible to select an optimal contact portion according to the type of structure in the hoistway 1, such as a concrete wall surface or a steel frame, and therefore it is possible to suppress misalignment of the rail positioning device.

As explained above, according to each embodiment, it is possible to prevent the wall contact portion 106 of the rail positioning device 100 from shifting due to the reaction force when the rail 11 is translated in translation, regardless of the condition or material of the wall surface. This has the effect of improving rail positioning accuracy and workability.

Note that the present invention is not limited to the above-described embodiments, and includes various modifications. For example, the embodiments described above are described in detail to explain the present invention in an easy-to-understand manner, and the present invention is not necessarily limited to having all the configurations described. Furthermore, it is possible to replace a part of the configuration of one embodiment with the configuration of another embodiment, and it is also possible to add the configuration of another embodiment to the configuration of one embodiment. Further, it is possible to add, delete, or replace a part of the configuration of each embodiment with other configurations.

1... Hoistway, 2... Wall surface, 3... Hanging beam, 4... Winder, 5... Winder rope, 6... Sling, 7... Work floor, 8... Pedestal, 9... Rail fixing device, 10... Tool pedestal, 11... Rail , 12... Bracket, 13... Wire, 14... Pit base, 15... Robot arm, 16... End effector, 17... Rail installation system, 18... Prepared hole, 19... Steel frame, 100... Rail positioning device, 101... Rail gauge, DESCRIPTION OF SYMBOLS 102... Rail grip part, 103... Front-back position adjustment part, 104... Left-right position adjustment part, 105... Base, 106... Wall surface contact part, 107... Control part, 108... Light receiving part, 109... Force sensor, 110... Rotation shaft , 111... Light receiving part mounting plate, 112... Fulcrum A, 113... Fulcrum B, 114... Pin, 115... Magnetic force generation part, 116... Elastic body, 117... Displacement detection part, 118... Connection part, 200... Laser plumber, 201...Laser light

Claims (9)

In the rail positioning device that positions the rail installed in the hoistway,
A rail gauge for adjusting the distance between two opposing rails,
a rail gripping unit provided on the left and right sides of the rail gauge and gripping two opposing rails;
a base rotatably supporting the left-right center portion of the rail gauge;
a left-right position adjustment part that is provided on the base, contacts the wall surface, and is expandable and retractable in the left-right direction;
a contact part connected to the left and right sides of the left-right position adjustment part and in contact with a wall surface or a steel frame;
a pair of front-rear position adjustment parts provided on the left and right sides of the base, rotatably connected to the left and right sides of the rail gauge, and extendable and retractable in the front-rear direction;
a position detection unit that receives laser light irradiated from a laser plumber installed at the bottom of the hoistway and detects the position of the rail gauge based on the received laser light;
a tension force detection unit that detects the tension force of the left-right position adjustment unit that contacts the wall surface or the steel frame;
a control unit that controls the longitudinal position adjustment unit and the lateral position adjustment unit to move the rail gauge to the rail installation position based on the detected values of the position detection unit and the tension force detection unit;
Equipped with
The position detection unit includes a beam compressor that converges the received laser beam ,
The control unit controls the left-right position adjustment unit so that the tension force becomes a predetermined value or more when the contact part contacts the wall surface or the steel frame and while the rail is moving. Rail positioning device. In claim 1 ,
A rail positioning device, wherein the tensioning force is calculated from at least the own weight of the rail positioning device and the rigidity of the rail. In claim 1 or 2 ,
The rail positioning device is characterized in that the left-right position adjusting section and the contact section are connected to each other through one or more rotating shafts. In claim 1 or 2 ,
The rail positioning device, wherein the left and right position adjusting section and the contact section are connected by a universal joint. In claim 1 or 2 ,
A rail positioning device characterized in that a surface of the contact portion facing the wall surface is provided with one or more pins. In claim 1 or 2 ,
A rail positioning device characterized in that the contact portion is a magnetic force generating portion that generates magnetic force. In claim 1 or 2 ,
A rail positioning device comprising an elastic body between the left-right position adjustment section and the contact section. In claim 1 or 2 ,
The rail positioning device, wherein the contact portion is detachable from the left-right position adjustment portion. In the rail positioning method for positioning the rail installed in the hoistway,
The rail positioning device includes a rail gauge, a rail gripping part provided on the rail gauge, and a left-right position that expands and contracts in the left-right direction, contacts a wall surface to generate a tension force, and moves the rail gauge in the left-right direction. an adjustment section, a front-rear position adjustment section that moves the rail gauge in the front-back direction, and a laser plumber installed at the bottom of the hoistway. comprising a position detection section that detects the position of the rail positioning device, and a control section that controls the left-right position adjustment section and the front-rear position adjustment section,
The control unit includes:
After the rail positioning device moves up and down to a predetermined position for rail positioning,
extending the telescopic part of the left-right position adjustment part and stretching it against the wall;
a step of determining whether the tension force of the left-right position adjustment section is greater than or equal to a predetermined value;
gripping the rail with the rail gripping section;
acquiring the current position of the rail positioning device with the position detection unit;
controlling the longitudinal position adjustment section and the lateral position adjustment section to move the rail;
while the rail is moving, determining whether the tension force of the left-right position adjustment section is equal to or greater than a predetermined value;
If the lateral position adjustment unit has not reached a tension force of a predetermined value or more, controlling the lateral position adjustment unit to adjust the tension force to a predetermined value or more;
determining whether the rail is at a predetermined position coordinate;
Equipped with
The rail positioning method, wherein the position detection section includes a beam compressor that converges the received laser light.

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