Elevator leveling measuring caliper

Abstract

The utility model relates to the technical field of elevator installation, and discloses an elevator leveling measuring caliper which comprises a ruler and a clamping plate, the ruler is provided with a moving groove, the inner wall of the moving groove is connected with a connecting block in a sliding mode, the back face of the clamping plate is provided with a connecting shaft, the connecting shaft penetrates through the connecting block, and the connecting shaft is rotationally connected with the connecting block through a bearing. A threaded hole formed in the back face of the connecting shaft is in threaded connection with a first fastening screw rod, a first fixing sliding groove communicated with the moving groove is formed in the back face of the ruler, and a pressing plate is installed at one end of the first fastening screw rod. The clamping plate can stably make contact with the car sill, the measuring precision of the ruler is guaranteed, pencils can be conveniently carried through the containing groove, the pencils can be taken out at any time for marking use, personnel operation is facilitated, and practicability is high.

Description

Technical Field

[0001] This utility model belongs to the field of elevator installation technology, specifically, it relates to elevator leveling measuring calipers. Background Technology

[0002] Elevator leveling measurement is a crucial task during elevator installation, maintenance, and repair. Leveling accuracy directly affects the comfort and safety of elevator operation. Inaccurate leveling can lead to tripping and falling hazards for passengers entering and exiting the elevator, and also impacts the overall operational quality and lifespan of the elevator. Therefore, proper leveling measurement is essential. Due to the 30-35mm gap between the car sill and the landing sill, elevator leveling measurements typically use two rulers: one placed horizontally on the car sill or landing sill, and the other perpendicularly used to measure the height difference at the intersection. This method is very inconvenient. Alternatively, a depth caliper can be used, but it can only measure height differences and cannot be used as a regular ruler to measure length.

[0003] According to Chinese Patent Publication No. CN209877806U, an elevator leveling measuring caliper is disclosed. It adds a rotatable and sliding plate to a ruler. When used as a ruler, the plate is not opened. When used to measure the height difference between floors, the plate is opened to make it perpendicular to the ruler. Through the above multiple functions, the elevator leveling measuring caliper combines the functions of a regular ruler and a depth vernier caliper, and has great practical value.

[0004] However, in the above technical solution, the length of the clamp is fixed. When it is necessary to use it on the car sill that is larger than the clamp size, it is difficult for the clamp to make stable contact with the car sill and support the ruler. This makes it inconvenient to use the ruler for measurement and has certain limitations. Therefore, we propose an elevator leveling measuring caliper. Utility Model Content

[0005] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:

[0006] An elevator leveling caliper includes a ruler and a clamping plate. The ruler has a movable groove, and a connecting block is slidably connected to the inner wall of the movable groove. A connecting shaft is installed on the back of the clamping plate, passing through the connecting block and rotatably connected to the connecting block via a bearing. A threaded hole on the back of the connecting shaft is threadedly connected to a fastening screw. A fixed sliding groove is provided on the back of the ruler, communicating with the movable groove. A pressure plate is installed at one end of the fastening screw, and a pressure pad is installed on the front of the pressure plate, contacting the inner wall of the fixed sliding groove. A knob is installed on the back of the pressure plate. A contraction groove is provided at the bottom of the clamping plate, and a secondary plate is slidably connected in the contraction groove. A threaded hole on the front of the clamping plate is threadedly connected to a second fastening screw. A fixed sliding groove is provided on the front of the secondary plate, and the second fastening screw is slidably connected to the inner wall of the second fixed sliding groove. A knob is installed at one end of the second fastening screw.

[0007] In a preferred embodiment of this utility model, a limiting slide plate is installed on the outer wall of the connecting block, and a limiting groove is formed on the inner wall of the moving groove. The limiting slide plate and the limiting groove are slidably connected. By setting the limiting slide plate and the limiting groove, the connecting block can be limited, thereby allowing the connecting block to slide in the moving groove in a fixed position.

[0008] In a preferred embodiment of this utility model, a limiting slide plate is installed on the inner wall of the shrinkage groove, and a limiting groove is formed on the outer wall of the sub-plate. The limiting slide plate and the limiting groove are slidably connected. By setting the limiting slide plate and the limiting groove, the sub-plate can be limited, so that the sub-plate can be fixedly slid in the shrinkage groove.

[0009] In a preferred embodiment of this utility model, a storage groove is provided on one side of the card plate, and a slot is provided at the bottom of the inner wall of the storage groove. A pencil is inserted into the slot. By setting the storage groove, the pencil can be stored and carried.

[0010] In a preferred embodiment of this utility model, a support pad is installed at the bottom of the inner wall of the slot. By setting the support pad, the pencil tip can be protected.

[0011] In a preferred embodiment of this utility model, a strap is installed on the inner wall of the storage slot. The strap is made of elastic rubber. By setting the strap, the pencil can be fixed in the storage slot.

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] This utility model allows for adjustment of the length of the clamping plate, thus adapting to different sizes of car sills. This ensures stable contact between the clamping plate and the car sill, guaranteeing the measurement accuracy of the ruler. Furthermore, the storage slot allows for convenient carrying of pencils, enabling easy access for marking at any time. This design is user-friendly and highly practical.

[0014] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0015] In the attached diagram:

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the top cross-sectional structure of this utility model;

[0018] Figure 3 This utility model Figure 2 Enlarged structural diagram of section A in the middle;

[0019] Figure 4 This is a schematic diagram of a cross-sectional view of one side of the fastening screw of this utility model;

[0020] Figure 5 This utility model Figure 4 Enlarged structural diagram of section B;

[0021] Figure 6 This is a partial structural schematic diagram of the front cross-section of the storage slot of this utility model;

[0022] Figure 7 This utility model Figure 6 Enlarged structural diagram of section C;

[0023] Figure 8 This utility model Figure 6 Enlarged structural diagram of section D in the middle.

[0024] In the diagram: 1. Ruler; 2. Card plate; 3. Connecting block; 4. Moving groove; 5. Limiting slide plate one; 6. Limiting slide groove one; 7. Connecting shaft; 8. Fastening screw one; 9. Pressure plate; 10. Pressure pad; 11. Knob one; 12. Fixed slide groove one; 13. Sub-plate; 14. Fixed slide groove two; 15. Fastening screw two; 16. Knob two; 17. Limiting slide plate two; 18. Limiting slide groove two; 19. Storage slot; 20. Slot; 21. Support pad; 22. Pencil; 23. Strap; 24. Shrink groove. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0026] like Figures 1 to 8 As shown, this utility model provides a technical solution: an elevator leveling caliper, including a ruler 1 and a clamping plate 2. The ruler 1 has a movable groove 4, and a connecting block 3 is slidably connected to the inner wall of the movable groove 4. A connecting shaft 7 is installed on the back of the clamping plate 2, passing through the connecting block 3, and is rotatably connected to the connecting block 3 via a bearing. A threaded hole on the back of the connecting shaft 7 is threadedly connected to a fastening screw 8. A fixing groove 12 is provided on the back of the ruler 1, communicating with the movable groove 4. One end of the fastening screw 8 is... The plate is equipped with a pressure plate 9, and a pressure pad 10 is installed on the front of the pressure plate 9. The pressure pad 10 contacts the inner wall of the fixed slide groove 12. A knob 11 is installed on the back of the pressure plate 9. A shrink groove 24 is opened at the bottom of the clamping plate 2. A secondary plate 13 is slidably connected in the shrink groove 24. A fastening screw 25 is threadedly connected to the threaded hole on the front of the clamping plate 2. A fixed slide groove 24 is opened on the front of the secondary plate 13. The fastening screw 25 is slidably connected to the inner wall of the fixed slide groove 24. A knob 26 is installed at one end of the fastening screw 25.

[0027] Furthermore, a limiting slide plate 5 is installed on the outer wall of the connecting block 3, and a limiting groove 6 is opened on the inner wall of the moving groove 4, so that the limiting slide plate 5 and the limiting groove 6 are slidably connected.

[0028] By setting the limiting slide plate 5 and the limiting slide groove 6, the connecting block 3 can be limited, so that the connecting block 3 can slide in the moving groove 4.

[0029] Furthermore, a limiting slide plate 27 is installed on the inner wall of the shrinkage groove 24, and a limiting groove 28 is opened on the outer wall of the sub-plate 13. The limiting slide plate 27 and the limiting groove 28 are slidably connected.

[0030] By setting the limiting slide plate 2 17 and the limiting slide groove 2 18, the sub-plate 13 can be limited, so that the sub-plate 13 can be fixed and slid in the shrinkage groove 24.

[0031] Furthermore, a storage slot 19 is provided on one side of the card plate 2, and a slot 20 is provided at the bottom of the inner wall of the storage slot 19, into which a pencil 22 is inserted.

[0032] The pencil 22 can be stored and carried by the storage slot 19.

[0033] Furthermore, a support pad 21 is installed at the bottom of the inner wall of the slot 20.

[0034] The support pad 21 can protect the tip of the pencil 22.

[0035] Furthermore, the inner wall of the storage slot 19 is fitted with straps 23, which are made of elastic rubber.

[0036] The pencil 22 can be fixed in the storage slot 19 by setting the strap 23.

[0037] The operating principle of the elevator leveling caliper is as follows: During use, knob 11 can be rotated, causing pressure plate 9 to rotate. This, in turn, causes fastening screw 8 to rotate, moving it outwards and preventing pressure plate 9 from pressing against the fixed groove 12. During measurement, caliper 2 is rotated 90° to be perpendicular to ruler 1. The starting end of the ruler 1's scale rests on the upper surface of the landing sill. Caliper 2 slides along the moving groove 4 towards the car sill until it contacts the car sill. The reading at the intersection of caliper 2 and ruler 1 is the measured height difference. Furthermore, during use, knob 16 can be rotated, causing fastening screw 15 to rotate. The fastening screw 15 is no longer pressed against the fixed slide groove 14, and the fastening screw 15 is no longer pressed against the auxiliary plate 13. Then, the auxiliary plate 13 can be moved out of the shrink groove 24, thereby increasing the length of the clamping plate 2. This allows the clamping plate 2 to adapt to different sizes of car sills and to be stably placed in contact with the car sill. Through the above structure, the length of the clamping plate 2 can be adjusted to adapt to different sizes of car sills, ensuring that the clamping plate 2 can be stably in contact with the car sill, guaranteeing the measurement accuracy of the ruler 1. Furthermore, the pencil 22 can be conveniently carried through the storage slot 19, allowing it to be taken out at any time for marking, which is convenient for personnel operation and highly practical.

Claims

1. An elevator leveling caliper, comprising a ruler (1) and a caliper plate (2), characterized in that, The ruler (1) has a movable groove (4), and a connecting block (3) is slidably connected to the inner wall of the movable groove (4). A connecting shaft (7) is installed on the back of the clamping plate (2). The connecting shaft (7) passes through the connecting block (3), and the connecting shaft (7) is rotatably connected to the connecting block (3) through a bearing. A fastening screw (8) is threadedly connected to the threaded hole on the back of the connecting shaft (7). A fixed sliding groove (12) is opened on the back of the ruler (1) and communicates with the movable groove (4). A pressure plate (9) is installed at one end of the fastening screw (8), and a pressure pad (9) is installed on the front of the pressure plate (9). 10), the pressure pad (10) contacts the inner wall of the fixed slide groove (12), the pressure plate (9) is equipped with a knob (11) on the back, the bottom end of the card plate (2) is provided with a shrinkage groove (24), the shrinkage groove (24) is slidably connected with a sub-plate (13), the threaded hole on the front of the card plate (2) is threadedly connected with a fastening screw (15), the front of the sub-plate (13) is provided with a fixed slide groove (14), the fastening screw (15) is slidably connected with the inner wall of the fixed slide groove (14), and a knob (16) is installed at one end of the fastening screw (15).

2. The elevator level measuring caliper of claim 1, wherein, The outer wall of the connecting block (3) is fitted with a limiting slide plate (5), and the inner wall of the moving groove (4) is provided with a limiting groove (6). The limiting slide plate (5) and the limiting groove (6) are slidably connected.

3. The elevator leveling caliper according to claim 2, characterized in that, The inner wall of the shrinkage groove (24) is equipped with a limiting slide plate two (17), and the outer wall of the sub-plate (13) is provided with a limiting slide groove two (18). The limiting slide plate two (17) and the limiting slide groove two (18) are slidably connected.

4. The elevator level measuring caliper of claim 1, wherein, The card plate (2) has a storage slot (19) on one side, and a slot (20) is provided at the bottom of the inner wall of the storage slot (19), into which a pencil (22) is inserted.

5. The elevator level measuring caliper of claim 4, wherein, A support pad (21) is installed at the bottom of the inner wall of the slot (20).

6. The elevator level measuring caliper of claim 4, wherein, The inner wall of the storage slot (19) is fitted with a strap (23), which is made of elastic rubber.

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