Large-span rack installation precision measuring and adjusting device

Abstract

The utility model discloses a large-span rack installation precision measuring and adjusting device which comprises a base, the base comprises a horizontal part and a vertical part, an anti-backlash is arranged in the middle of the lower portion of the horizontal part of the base, two steel balls are arranged on the inner side of the vertical part of the base, and the steel balls are located at the two ends of the inner side of the vertical part of the base respectively. A jacking seat is arranged below the vertical part of the base, and a supporting rod is arranged above the base; the base horizontal part is attached to the guide rail horizontal plane, and the base vertical part is attached to the guide rail vertical plane through two steel balls. A cross sleeve is arranged on the supporting rod, a supporting rod mounting hole and a screw mounting hole are arranged on the cross sleeve, a screw is arranged on the cross sleeve, a hole is arranged at the head of the screw, and a meter rod is arranged in the hole. According to the utility model, the jacking roller is added opposite to the reference guide rail surface, so that the measuring device can be stably attached to the guide rail surface all the time regardless of the measuring span, and the measuring device has the characteristics of simplicity in operation, labor saving and easiness in guaranteeing the measuring precision.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rack installation adjustment measurement technical field, especially related to a big span rack installation precision measurement adjusting device. BACKGROUND

[0002] For the transmission shaft of big stroke, generally will rotate gear rack transmission. When the gear, rack meshing transmission, its manufacturing, installation precision will influence gear meshing precision, the first is rack installation precision in the full stroke range, such as the parallelism of the division line of each rack and the guide rail face greatly influences the stability of gear rack transmission, and the stability and precision of gear rack transmission need to be ensured on the basis of qualified rack installation precision, therefore, it is particularly important to strictly and accurately control and measure the rack installation precision.

[0003] The known rack installation measurement adjusting method currently generally adopts the method of installing the dial gauge on the dial gauge seat to measure the parallelism of the rack and the guide rail face, if the distance between the rack and the guide rail face is small, this method is feasible, if the distance between the rack and the guide rail face is large, the dial gauge seat is prone to lateral overturning, and the dial gauge seat is not easy to adhere to the guide rail face, thereby affecting the measurement precision, and it is difficult to measure by using this measurement method, and the technical level of the operator will greatly affect the measurement precision. UTILITY MODEL CONTENTS

[0004] In order to overcome the above technical problems, the purpose of the utility model is to provide a big span rack installation precision measurement adjusting device, which increases the jacking roller on the opposite side of the reference guide rail face, and the measurement device can always stably adhere to the guide rail face regardless of the measurement span, and has the characteristics of simple operation, labor saving and easy to ensure the measurement precision.

[0005] In order to achieve the above purpose, the utility model adopts the technical scheme that:

[0006] A big span rack installation precision measurement adjusting device, comprising a base 2, the base 2 comprises a horizontal part and a vertical part, a clearance is arranged in the middle of the lower part of the horizontal part of the base 2, two steel balls 2-1 are arranged on the inner side of the vertical part of the base 2, and the steel balls 2-1 are respectively located at the two ends of the inner side of the vertical part of the base 2;

[0007] A jacking seat 1 is arranged below the vertical part of the base 2, and a supporting rod 3 is arranged above the base 2;

[0008] The horizontal part of the base 2 is adhered to the horizontal surface of the guide rail 6, and the vertical part of the base 2 is adhered to the vertical surface of the guide rail 6 through the two steel balls 2-1;

[0009] The cross sleeve 4-2 is arranged on the support rod 3, the cross sleeve 4-2 is provided with a support rod 3 mounting hole and a screw 1 4-1 mounting hole, the cross sleeve 4-2 is arranged with a screw 1 4-1, the head of the screw 1 4-1 is provided with a hole, and the inside is arranged with a surface rod 4.

[0010] The base 2 is a 90° vertical seat body, and the two steel balls 2-1 are equal in height.

[0011] The top tight seat 1 is provided with four screw through holes, and the screw 2 1-2 is arranged in the through hole, so that the top tight seat 1 is fixed on the base 2.

[0012] The top tight seat 1 is provided with a cylindrical cavity, and the bottom of the cylindrical cavity is provided with a screw hole, and the inside is arranged with a screw rod 1-4, the screw rod 1-4 is connected with the handle 1-3 through the cross sleeve, and the other end is connected with the sliding block 1-5.

[0013] The sliding block 1-5 is cylindrical, one end is provided with a screw rod mounting hole, the other end is slotted, the slot is the position of the bearing 1-7, and the cylindrical pin mounting hole is arranged in the vertical direction of the slot, and the sliding block 1-5 is connected with the bearing 1-7 through the cylindrical pin 1-6.

[0014] The sliding block 1-5 is arranged in the cylindrical cavity of the top tight seat 1, and the screw rod 1-4 is provided with a rotating handle 1-3.

[0015] The support rod 3 is provided with a screw through hole at one end, the screw 3-2 is arranged in the through hole, so that the support rod 3 is fixed on the base 2; the other end of the support rod 3 is arranged with a cross sleeve 4-2, the threaded part of the screw 1 4-1 is connected with a knob, when the knob is tightened, the opening on the cross sleeve 4-2 can be reduced, and the cross sleeve 4-2 can tightly hold the support rod 3.

[0016] The surface rod 4 is provided with a screw hole at the other end, the surface clamp 4-5 is fixed on the surface rod 4 through the knob screw 4-4, and the dial gauge can be fixed on the surface clamp 4-5, when in use, the surface rod 4 can move up and down in the screw 1 4-1 hole, and the cross sleeve 4-2 can move left and right on the support rod 3, so as to adjust the position of the dial gauge pointer.

[0017] A use method of a large-span rack installation precision measuring and adjusting device, comprising the following steps:

[0018] The base 2 provided with the steel ball 2-1 is arranged on the guide rail 6, the top tight seat 1 provided with the sliding block 1-5, the handle 1-3, the screw rod 1-4, the sliding block 1-5, the cylindrical pin 1-6 and the bearing 1-7 is fixed on the base 2, the screw rod 1-4 is in a non-tightening state, the support rod 3 is fixed on the base 2 by the screw 3-2 and the gasket 3-1;

[0019] Put the cross sleeve 4-2 on the support rod 3, and fix the watch rod 4 on the support rod 3 through the screw 4-1 and the knob 4-3, and fix the watch clamp 4-5 and the dial gauge 7 on the watch rod 4 in sequence, move the position of the cross sleeve 4-2, so that the position of the watch rod 4 in the left-right direction is appropriate, and the knob 4-3 is fastened; move the position of the watch rod 4 in the up-down direction, so that the position of the dial gauge 7 is appropriate, and the knob screw 4-4 is fastened, so that the base 2 can be pushed to start measurement;

[0020] Put a standard cylinder between the two teeth at one end of the rack 5, so that the pointer of the dial gauge 7 is in contact with the surface of the standard cylinder, and the knob 4-3, the knob screw 4-4 and the watch clamp 4-5 are fastened; push the base 2 a little, find the highest point of the standard cylinder (i.e. the place where the dial gauge reading is the largest), observe the reading of the dial gauge 7 and record it as L1; put the standard cylinder between the two teeth at the other end of the rack, move the position of the base 2, and find the highest point of the standard cylinder again (i.e. the place where the dial gauge reading is the largest), observe the reading of the dial gauge 7 and record it as L2; the absolute value of the difference between L1 and L2 is the parallelism error of the rack 5 and the bed guide 6.

[0021] The utility model discloses the beneficial effect.

[0022] The utility model discloses the top -tight mechanism makes the base 2 horizontal plane very good with the guide rail surface and sticks together, effectively prevent the measuring device from overturning, be equipped with the round steel ball on the vertical part of base 2, and the steel ball size consistency is good, can guarantee the measurement accuracy, be equipped with bearing 1-7 on the top -tight seat 1 component, when using, it is light and easy. ACCURACY

[0023] Figure 1 It is whole structure schematic diagram for the utility model.

[0024] Figure 2 It is base 2 structure diagram.

[0025] Figure 3 It is sliding block 1-5 structure diagram.

[0026] Figure 4 It is cross sleeve 4-2 structure diagram.

[0027] In the drawing, 1 is top -tight seat, 1-1 is gasket, 1-2 is screw two, 1-3 is handle, 1-4 is screw rod, 1-5 is sliding block, 1-6 is cylindrical pin, 1-7 is bearing;2 is base, 2-1 is steel ball, 2-2 is screw;3 is support rod, 3-1 is gasket, 3-2 is screw three;4 is watch rod, 4-1 is screw one, 4-2 is cross sleeve, 4-3 is knob, 4-4 is knob, 4-5 is watch clamp;5 is rack;6 is bed guide;7 is dial gauge. DETAILED DESCRIPTION

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] like Figures 1-4 As shown, a large-span rack mounting accuracy measurement and adjustment device is designed with a base 2 according to the large guide rail surface structure (e.g., Figure 2 The base 2 is a 90° vertical seat. A gap-free section is located at the bottom center of the horizontal portion of the base 2. Two steel balls 2-1, at the two ends of the inner side of the vertical portion of the base 2, are positioned at the same height. In use, the base 2 is placed on the guide rail surface. The horizontal portion of the base 2 is in contact with the horizontal surface of the guide rail 6, providing vertical positioning; the vertical portion of the base 2, through the two steel balls 2-1, is in contact with the vertical surface of the guide rail 6, providing horizontal positioning.

[0030] A clamping seat 1 is installed below the vertical part of the base 2. The clamping seat 1 has 4 screw through holes, through which screws 1-2 pass to fix the clamping seat 1 to the base 2.

[0031] The top clamping seat 1 has a cylindrical cavity, and each cylindrical cavity has a screw hole at the bottom, through which a screw rod 1-4 passes. The screw rod 1-4 is connected to the handle 1-3 through a cross sleeve, and the other end is connected to the sliding block 1-5.

[0032] The sliding block 1-5 is cylindrical, with a screw mounting hole at one end and a groove at the other end, which is the location of the bearing 1-7. A cylindrical pin mounting hole is provided perpendicular to the groove, and the sliding block 1-5 is connected to the bearing 1-7 via a cylindrical pin 1-6. The sliding block 1-5 is placed inside the cylindrical cavity of the clamping seat 1. In use, rotating the handle 1-3 drives the screw 1-4, which pushes the sliding block 1-5 upwards, thus clamping the guide rail 6.

[0033] A support rod 3 is installed above the base 2. One end of the support rod 3 is provided with a screw through hole, through which screw 3-2 passes to fix the support rod 3 to the base 2.

[0034] The other end of the support rod 3 is equipped with a cross sleeve 4-2. The cross sleeve 4-2 has a mounting hole for the support rod 3 and a mounting hole for screw 4-1. The cross sleeve 4-2 is equipped with screw 4-1. The head of screw 4-1 has a hole, which houses the gauge rod 4. The threaded part of screw 4-1 is connected to the knob. When the knob is tightened, the opening on the cross sleeve 4-2 is reduced, thereby causing the cross sleeve 4-2 to grip the support rod tightly.

[0035] The other end of the table rod 4 is provided with a screw hole, and the table clamp 4-5 is fixed on the table rod 4 through the knob screw 4-4, so that the dial gauge can be fixed on the table clamp 4-5. When in use, the table rod 4 can move up and down in the screw hole 4-1, and the cross sleeve 4-2 can move left and right on the support rod, so as to adjust the position of the dial gauge pointer.

[0036] A large-span rack installation precision measurement and adjustment device measurement method, the specific operation steps are:

[0037] The base 2 provided with the steel ball 2-1 is placed on the guide rail 6, the top tight seat 1 provided with the sliding block 1-5, the handle 1-3, the screw rod 1-4, the sliding block 1-5, the cylindrical pin 1-6 and the bearing 1-7 is fixed on the base 2, the screw rod 1-4 is in a non-tight state, and the support rod 3 is fixed on the base 2 by the screw three 3-2 and the gasket 3-1;

[0038] The cross sleeve 4-2 is sleeved on the support rod 3, the table rod 4 is fixed on the support rod 3 through the screw one 4-1 and the knob 4-3, the table clamp 4-5 and the dial gauge 7 are fixed on the table rod 4 in sequence, the position of the cross sleeve 4-2 is moved to make the position of the table rod 4 appropriate in the left and right directions, and the knob 4-3 is tightened; the position of the table rod 4 is moved to make the position of the dial gauge 7 appropriate in the up and down directions, and the knob screw 4-4 is tightened, so that the base 2 can be pushed to start measurement;

[0039] A standard cylinder is placed between the two teeth at one end of the rack 5, the pointer of the dial gauge 7 is in contact with the surface of the standard cylinder, the knob 4-3, the knob screw 4-4 and the table clamp 4-5 are tightened, the base 2 is pushed a little, the highest point of the standard cylinder (i.e. the place with the largest dial gauge reading) is found, the reading of the dial gauge 7 is observed and recorded as L1, the standard cylinder is placed between the two teeth at the other end of the rack, the position of the base 2 is pushed, and the highest point of the standard cylinder (i.e. the place with the largest dial gauge reading) is found again, the reading of the dial gauge 7 is observed and recorded as L2, and the absolute value of the difference between L1 and L2 is the parallelism error of the rack 5 and the bed guide rail 6.

Claims

1. A device for measuring and adjusting the installation accuracy of a large-span rack and pinion, characterized in that, Includes a base (2), which includes a horizontal part and a vertical part. The horizontal part of the base (2) has a gap-free section in the middle below, and the vertical part of the base (2) has two steel balls (2-1) on the inner side. The steel balls (2-1) are located at the two ends of the inner side of the vertical part of the base (2). A top seat (1) is installed below the vertical part of the base (2), and a support rod (3) is installed above the base (2); The horizontal part of the base (2) is in contact with the horizontal plane of the guide rail (6), and the vertical part of the base (2) is in contact with the vertical plane of the guide rail (6) through two steel balls (2-1); The support rod (3) is equipped with a cross sleeve (4-2), the cross sleeve (4-2) is provided with a support rod (3) mounting hole and a screw (4-1) mounting hole, the cross sleeve (4-2) is equipped with a screw (4-1), the head of the screw (4-1) is provided with a hole, and the gauge rod (4) is installed inside.

2. The device for measuring and adjusting the installation accuracy of a large-span rack according to claim 1, characterized in that, The base (2) is a 90° vertical seat, with two steel balls (2-1) at the same height.

3. The device for measuring and adjusting the installation accuracy of a large-span rack according to claim 1, characterized in that, The top clamping seat (1) has four screw holes, through which screws (1-2) pass, so that the top clamping seat (1) is fixed on the base (2).

4. The device for measuring and adjusting the installation accuracy of a large-span rack according to claim 1, characterized in that, The top clamping seat (1) is provided with a cylindrical cavity. Each cylindrical cavity has a screw hole at the bottom, through which a screw rod (1-4) passes. The screw rod (1-4) is connected to the handle (1-3) through a cross sleeve, and the other end is connected to the sliding block (1-5).

5. The device for measuring and adjusting the installation accuracy of a large-span rack according to claim 4, characterized in that, The sliding block (1-5) is cylindrical, with a screw mounting hole at one end and a groove at the other end. The groove is the position of the bearing (1-7), and a cylindrical pin mounting hole is provided perpendicular to the groove. The sliding block (1-5) is connected to the bearing (1-7) through the cylindrical pin (1-6).

6. The device for measuring and adjusting the installation accuracy of a large-span rack according to claim 5, characterized in that, The sliding block (1-5) is placed in the cylindrical cavity of the top clamping seat (1), and the screw (1-4) is provided with a rotating handle (1-3).

7. The device for measuring and adjusting the installation accuracy of a large-span rack according to claim 1, characterized in that, The support rod (3) has a screw through hole at one end, through which screw three (3-2) passes, so that the support rod (3) is fixed on the base (2); the other end of the support rod (3) is equipped with a cross sleeve (4-2), and the threaded part of screw one (4-1) is connected to the knob.

8. The device for measuring and adjusting the installation accuracy of a large-span rack according to claim 1, characterized in that, The other end of the dial indicator (4) is provided with a screw hole. The dial indicator clip (4-5) is fixed on the dial indicator (4) by the knob screw (4-4), and the dial indicator can be fixed on the dial indicator clip (4-5).

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