A special-purpose fixed-dimension measuring device for measuring the length of an elevator tower stand pipe

Abstract

The application discloses a special fixed-dimension measuring device for elevator tower riser length measurement, which comprises a bottom positioning base, a bottom positioning mechanism with a limiting end for limiting the workpiece, a position adjusting mechanism with a moving end for abutting against the side surface of the workpiece, and a measuring mechanism comprising a first sleeve base provided with a connecting hole at one end, a first connecting sleeve connected to the first sleeve base and provided with a first mounting hole and a first adjusting hole on the side surface, a dial gauge with a measuring end retracted into the first mounting hole, a first tightening screw arranged in the first adjusting hole, and a hand-operated blocking piece rotatably arranged in the connecting hole and provided with a blocking end for blocking the surface of the first mounting hole. The workpiece is limited and position-adjusted by the bottom positioning mechanism and the position adjusting mechanism, and the measuring mechanism is used for measuring the workpiece, so that the workpieces in the same batch can be quickly measured, and the device can also be applied to the measurement of workpieces of different models.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of elevator tower riser measurement, in particular to a kind of elevator tower riser length measuring device. BACKGROUND

[0002] Elevator tower is a very important component on the elevator, to support the entire elevator weight and load weight, and make the elevator have certain lifting height and stability.

[0003] Elevator tower is commonly known as construction elevator standard section, personnel and goods elevator tower, the metal structural member of supporting cage, drive system is installed on the tower of elevator by high-strength bolt, steel wire rope or pin shaft, for the elevator of different lifting angle, the inclination of standard section and the reference plane of foundation is changed to change the lifting inclination angle and lifting height of elevator. According to the angle of tower structure and reference plane, it is divided into inclined tower, vertical tower and curved tower. According to the function, it is divided into base section, maintenance section, reinforcing section, standard section, top section standard section, etc.

[0004] Elevator tower riser length measuring device is a kind of device suitable for detecting the length of elevator tower riser, which is a kind of measuring device for accurate measurement of existing tower riser length. The basic structure generally adopts two end precise positioning to achieve the function of riser measurement. This positioning method can generally be compatible with fewer tower riser models or can only position one model. It is not convenient to put and take the piece, and it often needs to be knocked, which is not easy to operate. The positioning surface is often extruded, which affects the precision, and it is difficult to realize batch high-precision positioning of elevator tower riser length. SUMMARY

[0005] In view of the technical problems of inconvenient batch detection operation of elevator tower riser length measuring device, difficult to ensure the repeated positioning accuracy of product and inconvenient piece replacement, the present application provides a kind of special measuring device for elevator tower riser length measurement.

[0006] The present application adopts the following technical scheme:

[0007] The utility model provides a special fixed gauge device for the length measurement of elevator tower riser, which comprises a bottom positioning base provided with a first threaded hole on one side, a bottom positioning mechanism detachably arranged on the lower part of the side of the bottom positioning base and provided with a limiting end abutting against the workpiece, a position adjusting mechanism arranged on the middle part of the side of the bottom positioning base and provided with a moving end abutting against the side surface of the workpiece, and a measuring mechanism detachably arranged on the upper part of the side of the bottom positioning base and comprising a first sleeve base connected to the upper part of the side of the bottom positioning base and provided with a connecting hole at one end, a first connecting sleeve connected to the first sleeve base and provided with a first installation hole and a first adjusting hole on the side surface, a dial gauge arranged in the first installation hole and provided with a measuring end retracted into the first installation hole, a first tightening screw arranged in the first adjusting hole, and a hand-operated stopper rotatably arranged in the connecting hole and provided with a blocking end blocking the surface of the first installation hole.

[0008] Preferably, the measuring mechanism further comprises a slotted small sleeve arranged in the first installation hole, the slotted small sleeve is provided with a first through hole in the middle part, the dial gauge is arranged in the first through hole, and the end of the first tightening screw abuts against the slotted small sleeve to fix the slotted small sleeve.

[0009] Preferably, the hand-operated stopper is rotatably arranged in the connecting hole through a spring and an internal hexagonal bolt.

[0010] Preferably, the position adjusting mechanism comprises a positioning block arranged on the side of the bottom positioning base provided with the first threaded hole and provided with a second threaded hole matched with the first threaded hole, and an adjusting bolt threadedly matched with the first threaded hole and the second threaded hole and provided with an end surface abutting against the workpiece to limit the workpiece.

[0011] Preferably, the bottom positioning mechanism comprises a second sleeve base arranged on the lower part of the side of the bottom positioning base, a second connecting sleeve connected to the second sleeve base and provided with a second installation hole and a second adjusting hole on the side surface, a core rod arranged in the second installation hole, a steel ball arranged at the end of the core rod and abutting against the bottom surface of the workpiece, and a second tightening screw arranged in the second adjusting hole and provided with an end abutting against the surface of the core rod.

[0012] Preferably, the core rod is provided with a positioning nut at one end, and the positioning nut abuts against the surface of the second sleeve base.

[0013] Preferably, a reinforcing rib is arranged between the bottom positioning base and the first sleeve base.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] 1. In this invention, the positioning surface of the positioning block can be adjusted by setting the adjusting bolt, positioning block, and bottom positioning base threaded hole. The adjusting bolt can adjust the position of the positioning surface, so that the adjusting bolt and the workpiece come into contact. The stroke of the adjusting bolt can realize the positioning of various specifications of elevator riser.

[0016] 2. In this invention, by setting up a measuring mechanism, which includes a first connecting sleeve, a first sleeve seat, a reinforcing rib, a slotted small sleeve, a dial indicator, a hand-operated stop plate, a spring, an internal hex bolt, and a first tightening screw, the invention achieves the effect of accurately measuring the riser pipe of the elevator tower using a dial indicator. The hand-operated stop plate is fixed to the first connecting sleeve by the spring and the internal hex bolt, allowing for tight fit and free rotation. Rotating the hand-operated stop plate allows the measuring end of the dial indicator to contact the workpiece. The workpiece is pressed against the adjusting bolt, with one end in contact with the bottom positioning mechanism and the other end maintaining a certain distance from the hand-operated stop plate. When the hand-operated stop plate is rotated, the measuring end of the dial indicator extends from the first mounting hole and abuts against the workpiece, achieving the clamping and fixing of the workpiece, and allowing the measuring end of the dial indicator to perform accurate measurement. Attached Figure Description

[0017] Figure 1 This is a front view of the overall structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the right side of the bottom positioning mechanism of the present invention;

[0019] Figure 3 This is a cross-sectional view of the bottom positioning mechanism of the present invention;

[0020] Figure 4 This is a front view of the measuring mechanism of the present invention;

[0021] Figure 5 This is a schematic diagram of the left side of the measuring mechanism of the present invention;

[0022] Figure 6 This is a cross-sectional view of the measuring mechanism of the present invention.

[0023] In the diagram, 1. Bottom positioning base; 2. Dial indicator; 3. Reinforcing rib; 4. Grooved small sleeve; 41. First through hole; 5. First sleeve seat; 51. Connecting hole; 6. First connecting sleeve; 61. First mounting hole; 62. First adjusting hole; 7. First tightening screw; 8. Hand-operated stop plate; 9. Spring; 10. Hex socket head cap screw; 11. Positioning block; 12. Adjusting bolt; 13. Workpiece; 14. Steel ball; 15. Mandrel; 16. Second sleeve seat; 17. Second connecting sleeve; 171. Second mounting hole; 172. Second adjusting hole; 18. Second tightening screw; 19. Positioning nut. Detailed Implementation

[0024] For the convenience of understanding the technical scheme of the present application, the following will be described in detail in combination with the drawings and specific embodiments.

[0025] Embodiment 1

[0026] As Figures 1-6 shown, a special size measuring device for measuring the length of an elevator tower riser includes a bottom positioning base 1, a bottom positioning mechanism, a position adjusting mechanism, and a measuring mechanism.

[0027] The bottom positioning base 1 is a rectangular structure with a hollow structure inside, and a first threaded hole is provided on one side.

[0028] The bottom positioning mechanism is detachably arranged on the lower part of one side of the bottom positioning base 1 and has a limiting end that abuts against and limits the workpiece.

[0029] Specifically, the bottom positioning mechanism includes:

[0030] A second sleeve seat 16 is detachably fixed on the lower part of one side of the bottom positioning base 1 by a bolt.

[0031] A second connecting sleeve 17 is connected to the second sleeve seat 16 and has a second mounting hole 171 and a second adjusting hole 172 on the side.

[0032] A core rod 15 is arranged in the second mounting hole 171.

[0033] A steel ball 14 is located at the end of the core rod 15 and abuts against the bottom surface of the workpiece.

[0034] A second tightening screw 18 is arranged in the second adjusting hole 172 and abuts against the surface of the core rod 15 at one end to prevent the core rod 15 from falling out of the second mounting hole 171.

[0035] One end of the core rod 15 is provided with a positioning nut 19, which abuts against the surface of the second sleeve seat 16 to fix the core rod 15; the core rod 15 is connected by the positioning nut 19 and the second tightening screw 18.

[0036] In addition, the bottom positioning mechanism can be installed at different positions on the side of the bottom positioning base 1, and can be adjusted according to the length of the workpiece to improve the applicability of the patent.

[0037] The position adjusting mechanism is arranged on the middle part of one side of the bottom positioning base 1 and has a moving end that abuts against the side surface of the workpiece.

[0038] The position adjusting mechanism includes:

[0039] Positioning block 11, provided on one side of the bottom surface positioning base 1 with a first threaded hole, has a second threaded hole matched with the first threaded hole; in this embodiment, the positioning block 11 is a nut structure, welded on the side of the bottom surface positioning base 1, and the first threaded hole and the second threaded hole have the same diameter;

[0040] Adjusting bolt 12 is threaded matched on the first threaded hole and the second threaded hole, and the end surface thereof abuts against the workpiece to limit the workpiece; in use, rotating the adjusting bolt 12 can adjust the extension length of the adjusting bolt 12 to limit the workpiece, and at the same time, adjusting the extension length of the adjusting bolt 12 can also be suitable for workpieces of different sizes, adapt to workpieces of multiple specifications and models, and realize accurate positioning effect of the contact surface with the workpiece;

[0041] The measuring mechanism is detachably provided on the upper part of one side of the bottom surface positioning base 1, and comprises:

[0042] The first sleeve seat 5 is detachably connected to the upper part of one side of the bottom surface positioning base 1 by a bolt, and one end is provided with a connecting hole 51;

[0043] The first connecting sleeve 6 is connected to the first sleeve seat 5 and has a through first mounting hole 61 and a first adjusting hole 62 located on the side;

[0044] The slotted small sleeve 4 is provided in the first mounting hole 61 and has a first through hole 41 in the middle;

[0045] The dial gauge 2 is provided in the first through hole 41, and the measuring end thereof is retracted into the first mounting hole 61;

[0046] The first tightening screw 7 is provided in the first adjusting hole 62, and the end portion thereof abuts against the slotted small sleeve 4 to fix the slotted small sleeve 4;

[0047] The hand-operated push block 8 is rotationally provided in the connecting hole 51 and has a blocking end blocked on the surface of the first mounting hole 61;

[0048] Rotating the hand-operated push block 8 drives the blocking end to rotate, so that the blocking end is removed from the blocking of the first mounting hole 61, and the measuring end of the dial gauge 2 is driven to extend from the first mounting hole 61 and abut against the workpiece for measurement, which is convenient for workers to take, adjust and place the workpiece, has high fault tolerance and high measurement accuracy.

[0049] The hand-operated push block 8 is rotationally provided in the connecting hole 51 by the spring 9 and the inner hexagonal bolt 10.

[0050] Specifically, in use, the measurer knows the approximate size of the batch of workpieces, so first installs the measuring mechanism to the appropriate position, so that the distance A between the measuring mechanism and the bottom positioning mechanism is slightly greater than the length B of the workpiece, then manually lifts the workpiece, places one end on the steel ball 14 of the mandrel 15, adjusts the adjusting bolt 12 so that it abuts against the workpiece to limit, rotates the hand-operated stopper 8, thereby driving the plugging end to rotate, causing the plugging end to unblock the first mounting hole 61, driving the measuring end of the dial gauge 2 to extend from the first mounting hole 61 and abut against the workpiece to measure, obtaining the measurement result C, the length B of the workpiece = the distance A - the measurement result C.

[0051] Therefore, as long as the measurement result C of each workpiece is compared, it can be quickly determined whether each workpiece meets the standard.

[0052] The bottom positioning base 1 is provided with a reinforcing rib 3 between the first sleeve seat 5.

[0053] In the embodiment, the measuring end of the dial gauge 2 can also abut against the upper surface of the workpiece to limit, preventing the workpiece from falling.

[0054] In the embodiment, the workpiece is a circular column structure, and the measuring end of the dial gauge 2 and the steel ball 14 of the mandrel 15 both abut against the upper and lower ends of one side of the workpiece.

[0055] The above is only a preferred embodiment of the present application, and the protection scope of the present application is subject to the scope defined by the claims, and several improvements and refinements made by those skilled in the art without departing from the spirit and scope of the present application should also be considered as the protection scope of the present application.

Claims

1. A special measuring tool device for measuring the length of the riser pipe of a hoist tower, characterized in that, include: The bottom positioning base (1) has a first threaded hole on one side; The bottom positioning mechanism is detachably set on the lower part of one side of the bottom positioning base (1) and has a limiting end that abuts against the bottom surface of the riser. The position adjustment mechanism is located in the middle of one side of the bottom positioning base (1) and has a movable end that abuts against the side of the riser. The measuring mechanism, detachably mounted on the upper side of the bottom positioning base (1), includes: The first set of tube bases (5) is connected to the upper part of one side of the bottom positioning base (1), and one end is provided with a connecting hole (51); The first connecting sleeve (6) is connected to the first sleeve seat (5) and has a through first mounting hole (61) and a first adjusting hole (62) located on the side. A dial indicator (2) is located inside the first mounting hole (61), with its measuring end retracted inside the first mounting hole (61); The first tightening screw (7) is located in the first adjusting hole (62); The hand-operated baffle (8) is rotatably disposed in the connecting hole (51) and has a sealing end that seals the surface of the first mounting hole (61); Rotate the hand lever (8), which in turn drives the sealing end to rotate, causing the sealing end to release the seal on the first mounting hole (61), and drives the measuring end of the dial indicator (2) to extend from the first mounting hole (61) and abut against the upper surface of the riser for measurement; Given the approximate dimensions of the riser, first install the measuring mechanism in a suitable position, ensuring that the distance A between the measuring mechanism and the bottom positioning mechanism is slightly greater than the length B of the riser. Then, manually lift the riser and place one end on the bottom positioning mechanism. Adjust the position adjustment mechanism so that it abuts against the riser for limiting. Rotate the hand lever stop, which in turn drives the sealing end to rotate, causing the sealing end to release the seal on the first mounting hole. Drive the measuring end of the dial indicator to extend from the first mounting hole and abut against the riser to measure, obtaining the measurement result C. The riser length B = distance A - measurement result C.

2. The special measuring tool device for measuring the length of the elevator tower riser according to claim 1, characterized in that, The measuring mechanism also includes a slotted sleeve (4) set in the first mounting hole (61), the slotted sleeve (4) has a first through hole (41) in the middle, the dial indicator (2) is set in the first through hole (41), and the end of the first tightening screw (7) abuts against the slotted sleeve (4) to fix the slotted sleeve (4).

3. The special measuring tool device for measuring the length of the elevator tower riser according to claim 1, characterized in that, The hand-operated stop plate (8) is rotatably mounted in the connecting hole (51) via a spring (9) and an internal hex bolt (10).

4. The special measuring tool device for measuring the length of the elevator tower riser according to claim 1, characterized in that, The position adjustment mechanism includes: The positioning block (11) is located on the side of the bottom positioning base (1) with the first threaded hole and has a second threaded hole that mates with the first threaded hole. Adjusting bolt (12) is threaded into the first threaded hole and the second threaded hole, and its end face abuts against the riser to limit the riser.

5. A special measuring tool device for measuring the length of the riser pipe of a hoist tower as described in claim 1, characterized in that, The bottom positioning mechanism includes: The second set of tube bases (16) is located on the lower part of one side of the bottom positioning base (1); The second connecting sleeve (17) is connected to the second sleeve seat (16) and has a through second mounting hole (171) and a second adjustment hole (172) located on the side. The mandrel (15) is disposed in the second mounting hole (171); A steel ball (14) is located at the end of the mandrel (15) and rests against the bottom surface of the workpiece; The second tightening screw (18) is located in the second adjusting hole (172), with one end abutting against the surface of the mandrel (15).

6. A special measuring tool device for measuring the length of the riser pipe of a hoist tower as described in claim 5, characterized in that, The mandrel (15) has a positioning nut (19) at one end, and the positioning nut (19) abuts against the surface of the second sleeve seat (16).

7. A special measuring tool device for measuring the length of the riser pipe of a hoist tower as described in claim 1, characterized in that, A reinforcing rib (3) is provided between the bottom positioning base (1) and the first sleeve base (5).

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