High-precision guide rail measurement calibration device

Abstract

The utility model discloses a high-precision guide rail measurement calibration device, and relates to the technical field of guide rail measurement calibration. The high-precision guide rail measurement calibration device comprises an upper cross rod, a lower cross rod arranged below the upper cross rod and a U-shaped elastic clamping piece fixedly installed on the upper cross rod and the lower cross rod. Center rods are fixedly installed at the centers of the front faces of the upper cross rod and the lower cross rod, bearings are fixedly sleeved on the center rods, outer rings of the two bearings are fixedly connected with connecting rods, the center rod located on the upper cross rod is in threaded connection with an installation rod, and the bottom end of the installation rod is fixedly connected with a connecting cylinder. A positioning assembly is arranged on the center rod located on the lower cross rod and comprises a shell and a clamping hole; a calibration assembly is arranged on the connecting cylinder and comprises a lead screw, a connecting block, a first bevel gear, a rotating rod, a second bevel gear, a motor and an embedded rod. Compared with the prior art, the device has the advantages that uncertain factors are reduced, the calibration checking condition is guaranteed, and the use effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of guide rail measurement and calibration, in particular to a high-precision guide rail measurement and calibration device. Background Art

[0002] An elevator consists of an elevator car, hoisting machinery, ropes, and a counterweight. After installation, the elevator guide rails need to be calibrated to ensure they are vertical.

[0003] Application No. 2018220000.3 An elevator guide rail calibration device includes an elevator guide rail and a guide rail calibration device body, the guide rail calibration device body includes an upper fixed rod, a lower fixed rod and a movable connecting member, the upper fixed rod and the lower fixed rod are movably connected by the movable connecting member, the upper fixed rod and the lower fixed rod can be detachably fixed on the elevator guide rail, and the upper fixed rod is located above the lower fixed rod; the guide rail calibration device body also includes a vertical calibration structure, the vertical calibration structure is arranged on the upper fixed rod, and the vertical calibration structure always maintains a vertical state and is located in front of the movable connecting member; the elevator guide rail calibration steps of this device are relatively simple and easy to use, which reduces the labor intensity of elevator maintenance personnel and improves efficiency.

[0004] However, this method of checking whether the elevator guide rail is in a vertical state by observing whether the rope and the connecting rod are collinear is not very accurate. After all, the rope is a swinging object with a certain degree of uncertainty. When the rope shakes, it will affect the observation of whether they are collinear. Therefore, a high-precision guide rail measurement and calibration device is proposed to solve the above-mentioned problem. Utility Model Content

[0005] The purpose of the utility model is to provide a high-precision guide rail measurement and calibration device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a high-precision guide rail measurement and calibration device, comprising an upper crossbar, a lower crossbar disposed below the upper crossbar, and U-shaped elastic cards fixedly mounted on the upper and lower crossbars:

[0007] A center rod is fixedly installed at the center position of the front of the upper cross bar and the lower cross bar, and a bearing is sleeved on the center rod. The outer rings of the two sets of bearings are fixedly connected to the connecting rod. The center rod located on the upper cross bar is threadedly connected to the mounting rod, and the bottom end of the mounting rod is fixedly connected to the connecting tube;

[0008] The center rod on the lower crossbar is provided with a positioning assembly, which includes a housing and a clamping hole;

[0009] The connecting barrel is provided with a calibration assembly, which comprises a lead screw, a connecting block, a first umbrella-shaped gear, a rotating rod, a second umbrella-shaped gear, a motor and embedded rods.

[0010] Preferably, the shell is provided with a clamping hole matched with the shape of the center rod, facilitating dismounting and subsequent calibration operation.

[0011] Preferably, the center rod on the lower cross rod is clamped and mounted on the shell through the clamping hole.

[0012] Preferably, the motor is fixedly installed on one side of the outer wall of the connecting barrel, the lead screw is rotatably installed in the connecting barrel, the first umbrella-shaped gear is fixedly installed on the lead screw, the rotating rod is rotatably installed on one side of the inner wall of the connecting barrel, the second umbrella-shaped gear is fixedly installed on the free end of the rotating rod, the motor is fixedly connected with the rotating rod through a shaft coupling, the connecting block is slidably installed in the connecting barrel, the lead screw penetrates through the connecting block and is threadedly connected with the connecting block, and two groups of embedded rods are fixedly installed on the bottom of the connecting block.

[0013] Preferably, the first umbrella-shaped gear and the second umbrella-shaped gear are meshed.

[0014] Preferably, the connecting block and the inner wall of the connecting barrel are in abutment, that is, the connecting block does not rotate when the lead screw rotates.

[0015] Preferably, the calibration assembly further comprises two groups of embedded holes formed in the shell, the embedded rods and the embedded holes are arranged in the same horizontal plane and one-to-one corresponding, and the collinear observation is facilitated.

[0016] Compared with the prior art, the high-precision guide rail measurement calibration device has the following beneficial effects:

[0017] The high-precision guide rail measurement calibration device facilitates the dismounting and subsequent observation of the calibration of the shell through the cooperation of the shell, the center rod and the clamping hole.

[0018] The high-precision guide rail measurement calibration device facilitates the dismounting and subsequent observation of the calibration of the shell through the cooperation of the shell, the center rod and the clamping hole. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure of the utility model is shown in the schematic diagram;

[0020] Figure 2This is a schematic diagram of the installation of the housing and the center rod in the present utility model;

[0021] Figure 3 This is an enlarged schematic diagram of part A in the present utility model;

[0022] Figure 4 This is a schematic structural diagram of the connecting tube in the present utility model;

[0023] Figure 5 It is an enlarged schematic diagram of part B in the present invention.

[0024] In the figure: upper crossbar 1, lower crossbar 2, U-shaped elastic card 3, center rod 4, bearing 5, connecting rod 6, mounting rod 7, connecting tube 8, positioning assembly 9, calibration assembly 10;

[0025] Housing 91, snap-in hole 92;

[0026] Screw rod 101 , connecting block 102 , first bevel gear 103 , rotating rod 104 , second bevel gear 105 , motor 106 , embedding rod 107 , embedding hole 108 . DETAILED DESCRIPTION

[0027] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0028] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0029] In the description of this utility model, terms such as "greater than," "less than," and "exceed" are understood to exclude the number indicated, while terms such as "above," "below," and "within" are understood to include the number indicated. The terms "first" and "second" are used solely to distinguish technical features and are not to be construed as indicating or implying relative importance, or as implicitly specifying the number or order of the technical features indicated.

[0030] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0031] In the description of the present invention, the circuits, electronic components and control modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present invention does not involve improvements to software and methods.

[0032] See also Figure 1-5 The utility model provides a technical solution: a high-precision guide rail measuring and calibration device, comprising an upper cross bar 1, a lower cross bar 2 arranged below the upper cross bar 1, and a U-shaped elastic card 3 fixedly installed on the upper cross bar 1 and the lower cross bar 2. A center rod 4 is fixedly installed at the center position of the front of the upper cross bar 1 and the lower cross bar 2. A bearing 5 is sleeved on the center rod 4. The outer rings of the two sets of bearings 5 ​​are fixedly connected with a connecting rod 6. A mounting rod 7 is threadedly connected to the center rod 4 located on the upper cross bar 1. The bottom end of the mounting rod 7 is fixedly connected with a connecting tube 8. The upper cross bar 1 and the lower cross bar 2 are installed on the elevator guide rail through the U-shaped elastic card 3. If the elevator guide rail is vertical, the connecting rod 6 is in a vertical state. If the elevator guide rail is not vertical, the connecting rod 6 will tilt. This part is existing technology and will not be described here.

[0033] A positioning assembly 9 is provided on the center rod 4 located on the lower cross bar 2. The positioning assembly 9 includes a shell 91 and a snap-in hole 92. The shell 91 is provided with a snap-in hole 92 that matches the shape of the center rod 4. The center rod 4 located on the lower cross bar 2 is snap-fitted and installed with the shell 91 through the snap-in hole 92, which is convenient for loading and unloading the shell, and also convenient for subsequent observation of the calibration.

[0034] A calibration component 10 is provided on the connecting tube 8 , wherein an opening or a hinged door may be provided on the rear side of the connecting tube 8 to facilitate maintenance and installation of the calibration component 10 .

[0035] The calibration assembly 10 comprises a lead screw 101, a connecting block 102, a first umbrella gear 103, a rotating rod 104, a second umbrella gear 105, a motor 106 and embedded rods 107, the motor 106 is fixedly installed on one side outer wall of the connecting cylinder 8, the lead screw 101 is rotatably installed in the connecting cylinder 8, the first umbrella gear 103 is fixedly installed on the lead screw 101, the rotating rod 104 is rotatably installed on one side inner wall of the connecting cylinder 8, the second umbrella gear 105 is fixedly installed on the free end of the rotating rod 104, the first umbrella gear 103 and the second umbrella gear 105 are in meshing arrangement, the motor 106 is fixedly connected with the rotating rod 104 through a shaft coupling, the connecting block 102 is slidably installed in the connecting cylinder 8, the lead screw 101 penetrates through the connecting block 102 and is in threaded connection with the connecting block 102, the motor 106 is started, the motor 106 drives the rotating rod 104 to rotate, the rotating rod 104 drives the second umbrella gear 105 to rotate, the second umbrella gear 105 drives the first umbrella gear 103 to rotate, the first umbrella gear 103 drives the lead screw 101 to rotate, and the lead screw 101 drives the connecting block 102 to longitudinally move.

[0036] It should be noted that the connecting block 102 and the inner wall of the connecting cylinder 8 are in close arrangement, that is, the connecting block 102 will not rotate with the lead screw 101 when the lead screw 101 rotates.

[0037] The bottom of the connecting block 102 is fixedly installed with two groups of embedded rods 107, and the calibration assembly 10 further comprises two groups of embedded holes 108 formed in the shell 91, the embedded rods 107 and the embedded holes 108 are arranged at the same horizontal position and one-to-one corresponding, the longitudinal movement of the connecting block 102 makes the embedded rods 107 longitudinally, if the embedded rods 107 are embedded into the embedded holes 108, it indicates that the connecting cylinder 8 and the connecting rod 6 are in a collinear state, and it indicates that the elevator guide rail is in a vertical state, if the embedded rods 107 cannot be embedded into the embedded holes 108, it indicates that they are not collinear, and it indicates that the elevator guide rail is not in a vertical state.

[0038] In use, the upper horizontal rod 1 and the lower horizontal rod 2 are installed on the elevator guide rail through the U-shaped elastic clamping piece 3, if the elevator guide rail is vertical, the connecting rod 6 is in a vertical state, if the elevator guide rail is not vertical, the connecting rod 6 will be inclined, and this part is prior art and will not be repeated here.

[0039] The starting motor 106 drives the rotating rod 104 to rotate, the rotating rod 104 drives the second umbrella gear 105 to rotate, the second umbrella gear 105 drives the first umbrella gear 103 to rotate, the first umbrella gear 103 drives the lead screw 101 to rotate, the lead screw 101 drives the connecting block 102 to run longitudinally, the connecting block 102 makes the embedded rod 107 run longitudinally, if the embedded rod 107 is embedded into the embedded hole 108, it indicates that the connecting cylinder 8 and the connecting rod 6 are collinear, and the elevator guide rail is in the vertical state, if the embedded rod 107 cannot be embedded into the embedded hole 108, it indicates that the elevator guide rail is not in the vertical state, the structure reduces the uncertain factors, guarantees the calibration and viewing conditions, and has good use effect.

Claims

1. A high-precision guide rail measuring and calibration device, comprising an upper crossbar (1), a lower crossbar (2) arranged below the upper crossbar (1), and a U-shaped elastic card (3) fixedly mounted on the upper crossbar (1) and the lower crossbar (2), characterized in that: A center rod (4) is fixedly mounted at the center position of the front of the upper crossbar (1) and the lower crossbar (2); a bearing (5) is sleeved on the center rod (4); the outer rings of the two sets of bearings (5) are fixedly connected to a connecting rod (6); a mounting rod (7) is threadedly connected to the center rod (4) on the upper crossbar (1); and a connecting tube (8) is fixedly connected to the bottom end of the mounting rod (7); The center rod (4) located on the lower crossbar (2) is provided with a positioning assembly (9), and the positioning assembly (9) includes a housing (91) and a clamping hole (92); A calibration assembly (10) is provided on the connecting cylinder (8), and the calibration assembly (10) comprises a screw (101), a connecting block (102), a first bevel gear (103), a rotating rod (104), a second bevel gear (105), a motor (106), and an embedded rod (107).

2. A high-precision guide rail measurement and calibration device according to claim 1, characterized in that: The housing (91) is provided with a snap-fitting hole (92) that matches the shape of the center rod (4).

3. A high-precision guide rail measurement and calibration device according to claim 2, characterized in that: The center rod (4) located on the lower crossbar (2) is mounted by snapping together the housing (91) through the snapping hole (92).

4. The high-precision guide rail measurement and calibration device according to claim 1, characterized in that: A motor (106) is fixedly mounted on an outer wall of one side of the connecting tube (8), a screw rod (101) is rotatably mounted inside the connecting tube (8), a first bevel gear (103) is fixedly mounted on the screw rod (101), a rotating rod (104) is rotatably mounted on an inner wall of one side of the connecting tube (8), a second bevel gear (105) is fixedly mounted on the free end of the rotating rod (104), the motor (106) is fixedly connected to the rotating rod (104) via a coupling, a connecting block (102) is slidably mounted inside the connecting tube (8), the screw rod (101) passes through the connecting block (102) and is threadedly connected to the connecting block (102), and two sets of embedded rods (107) are fixedly mounted on the bottom of the connecting block (102).

5. A high-precision guide rail measurement and calibration device according to claim 4, characterized in that: The first bevel gear (103) and the second bevel gear (105) are meshed.

6. A high-precision guide rail measurement and calibration device according to claim 5, characterized in that: The inner walls of the connecting block (102) and the connecting cylinder (8) are fitted together, that is, when the screw rod (101) rotates, the connecting block (102) does not rotate along with it.

7. A high-precision guide rail measurement and calibration device according to claim 6, characterized in that: The calibration assembly (10) further comprises two groups of embedding holes (108) provided on the housing (91), wherein the embedding rods (107) and the embedding holes (108) are arranged at the same level and have one-to-one corresponding positions.

Images