Building jacking

Abstract

The utility model relates to the technical field of jacking, in particular to a building jacking which comprises a supporting column, a supporting frame is fixedly connected to the top of the supporting column, guide bars are fixedly connected to the two sides of the top of the inner wall of the supporting frame, sliding seats are slidably connected to the two sides of the two guide bars, and fixing plates are fixedly connected to the sides, close to each other, of the top faces of the two sliding seats. The centers of the tops of the two fixing plates are in threaded connection with tightening screws, the ends, close to each other, of the two tightening screws are rotationally connected with clamping plates, and the two sides of one side face of each clamping plate are fixedly connected with guide levers. The clamping width adjusting device has the advantages that the clamping width can be rapidly adjusted by loosening the tightening stud and pushing the two sliding seats to slide, the tightening stud is rotated after adjustment to press the fixing position of the pressing teeth, rapid adjustment of the clamping width is achieved, then the two clamping plates can be further clamped by rotating the tightening screw rod, and the clamping width can be rapidly adjusted. Micro adjustment is achieved, and rapid clamping is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of jacking, in particular to a building jacking. Background Art

[0002] The top support is also called the lead screw, which is composed of a lead screw, a nut and a chassis. It is used in conjunction with steel pipes and scaffolding during the construction process to adjust the height of the scaffolding and the frame pipe, balance and support heavy objects, and bear the load.

[0003] The Chinese utility model CN219034162U discloses a building jacking support, which is provided with an adjustable clamping mechanism, and a rotating valve is rotated to drive the second screw to rotate, and the nut seat on the second screw drives the clamping plate to move laterally. By providing opposite threads at both ends, the clamps on both sides can move relative to each other, so as to achieve the effect of adjusting the support space according to the shape of the gear of the building material. However, the building jacking support still has the following problems in actual use:

[0004] The building jack is pushed and tightened by thread transmission, but the pushing speed of thread transmission is slow. When the clamping width changes greatly, it takes a long time to tighten the clamping, which affects the use efficiency. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the utility model is to provide a building jacking support to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a building jacking, including a support column, the top of the support column is fixedly connected to a support frame, the two sides of the top of the inner wall of the support frame are fixedly connected to a first guide bar, the two sides of the first guide bar are slidably connected to a sliding seat, the two sliding seats The top surfaces of the two sliding seats are fixedly connected to a fixing plate on one side, the centers of the tops of the two fixing plates are threadedly connected to a tightening screw, the ends of the two tightening screws that are close to each other are rotatably connected to a clamping plate, the two sides of one side of the two clamping plates are fixedly connected to a second guide bar, and the first Two guide bars pass through the fixed plate and are slidably connected to the fixed plate, a clamping rack is fixedly connected to the middle of the inner wall of the support frame, guide sleeves are fixedly connected to both sides of the middle of the sliding seat, guide columns are slidably connected to the bottom of the inner walls of the two guide sleeves, and clamping teeth are fixedly connected to the bottoms of the two guide columns. A clamping spring is provided at the center of the top of the inner walls of the two guide sleeves, and the clamping spring is located between the inner wall of the guide sleeve and the top of the guide column. A tightening stud is threadedly connected to the middle of the sliding seat, and the tightening stud passes through the sliding seat, and the tightening stud corresponds to the position at the center of the top of the clamping tooth.

[0008] Preferably, any of the above schemes has a length of the tightening screw greater than the length of the second guide rod, a length of the tightening stud greater than the distance from the sliding seat to the clamping rack, and an end of the tightening screw away from the clamping plate and a top end of the tightening stud are fixedly connected with a rotating head.

[0009] The technical effect achieved by adopting the above solution is: preventing the second guide bar from interfering with the rotation of the tightening screw and the tightening stud.

[0010] Preferably, according to any of the above schemes, the length of the clamping rack is matched with the length of the first guide rods, and the clamping rack is located at the center between the two first guide rods.

[0011] The technical effect achieved by adopting the above solution is: the fixable length of the clamping rack is matched with the guide length of the first guide rod.

[0012] Preferably, any of the above schemes is that the tooth groove of the clamping rack and the clamping tooth are engaged with each other, the cross section of the clamping tooth is an isobaric triangle, and the length of the clamping tooth is matched with the width of the clamping rack.

[0013] The technical effect achieved by adopting the above solution is that the tooth groove of the clamping rack can be automatically disengaged during sliding by guiding the triangular inclined surface.

[0014] Preferably, any of the above schemes has the depth of the inner wall of the two guide sleeves matched with the length of the guide column, and the distance from the bottom of the two guide sleeves to the top surface of the clamping rack is smaller than the length of the guide column.

[0015] The technical effect achieved by adopting the above solution is: preventing the guide column from falling off the guide sleeve downward.

[0016] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0017] The building top support can quickly adjust the clamping width by loosening the tightening stud and then pushing the two sliding seats to slide. After adjustment, the tightening stud is rotated to tighten the clamping teeth to fix the position, so as to achieve rapid adjustment of the clamping width. Then, the two clamping plates can be further clamped by rotating the tightening screw to achieve micro-adjustment and rapid clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle.

[0021] In the figure: 1-support column, 2-support frame, 3-first guide bar, 4-sliding seat, 5-fixed plate, 6-second guide bar, 7-clamping plate, 8-tightening screw, 9-guide sleeve, 10-tightening stud, 11-clamping rack, 12-compression tooth, 13-guide column, 14-compression spring. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0023] Embodiment 1: Figures 1 to 3 As shown, a building top support comprises a support column 1, the top of the support column 1 is fixedly connected to a support frame 2, both sides of the top of the inner wall of the support frame 2 are fixedly connected to a first guide rod 3, both sides of the two first guide rods 3 are slidably connected to a sliding seat 4, both sides of the two sliding seats 4 are fixedly connected to a fixing plate 5 on the side where the top surfaces of the two sliding seats 4 are close to each other, the centers of the tops of the two fixing plates 5 are threadedly connected to a tightening screw 8, the ends of the two tightening screws 8 close to each other are rotatably connected to a clamping plate 7, both sides of one side of the two clamping plates 7 are fixedly connected to a second guide rod 6, the second guide rod 6 penetrates the fixing plate 5 and slides with the fixing plate 5 Connection, a clamping rack 11 is fixedly connected to the middle of the inner wall of the support frame 2, and guide sleeves 9 are fixedly connected to both sides of the middle of the sliding seat 4. Guide columns 13 are slidably connected to the bottom of the inner walls of the two guide sleeves 9, and the bottoms of the two guide columns 13 are commonly fixedly connected with clamping teeth 12. A clamping spring 14 is arranged at the center of the top of the inner wall of the two guide sleeves 9, and the clamping spring 14 is located between the inner wall of the guide sleeve 9 and the top of the guide column 13. A tightening stud 10 is threadedly connected to the middle of the sliding seat 4, and the tightening stud 10 passes through the sliding seat 4, and the tightening stud 10 corresponds to the position at the center of the top of the clamping tooth 12.

[0024] As an optional technical solution of the utility model, the length of the tightening screw 8 is greater than the length of the second guide rod 6, the length of the tightening stud 10 is greater than the distance from the sliding seat 4 to the clamping rack 11, and the end of the tightening screw 8 away from the clamping plate 7 and the top of the tightening stud 10 are fixedly connected with a rotating head, thereby preventing the second guide rod 6 from interfering with the rotation of the tightening screw 8 and the tightening stud 10.

[0025] As an optional technical solution of the present invention, the length of the clamping rack 11 is adapted to the length of the first guide rod 3, and the clamping rack 11 is located at the center between the two first guide rods 3, so that the fixable length of the clamping rack 11 matches the guide length of the first guide rod 3.

[0026] As an optional technical solution of the utility model, the tooth groove of the clamping rack 11 and the pressing tooth 12 are interlocked with each other, the cross-section of the pressing tooth 12 is an isobaric triangle, the length of the pressing tooth 12 is adapted to the width of the clamping rack 11, and the tooth groove of the clamping rack 11 can be automatically disengaged during sliding through the guidance of the inclined surface of the triangle.

[0027] As an optional technical solution of the present invention, the depth of the inner wall of the two guide sleeves 9 is adapted to the length of the guide column 13, and the distance from the bottom of the two guide sleeves 9 to the top surface of the clamping rack 11 is smaller than the length of the guide column 13, thereby preventing the guide column 13 from detaching downward from the guide sleeve 9.

[0028] A building jacking, the working principle is as follows:

[0029] 1) First loosen the tightening stud 10, and then push the two sliding seats 4 to slide, so as to quickly adjust the clamping width;

[0030] 2) After adjustment, turn the tightening stud 10 to press the tightening tooth 12 to fix the position;

[0031] 3) Then, by turning the tightening screw 8, the two clamping plates 7 can be further clamped.

[0032] To sum up, the building top support can quickly adjust the clamping width by loosening the tightening stud 10 and then pushing the two sliding seats 4 to slide. After adjustment, the tightening stud 10 is rotated to tighten the clamping teeth 12 to a fixed position, thereby achieving rapid adjustment of the clamping width. Then, the two clamping plates 7 can be further clamped by rotating the tightening screw 8, thereby achieving micro-adjustment and rapid clamping.

[0033] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A building jacking, characterized in that: The invention comprises a support column (1), wherein the top of the support column (1) is fixedly connected to a support frame (2), both sides of the top of the inner wall of the support frame (2) are fixedly connected to first guide bars (3), both sides of the first guide bars (3) are slidably connected to sliding seats (4), both sides of the top surfaces of the two sliding seats (4) close to each other are fixedly connected to fixing plates (5), the centers of the tops of the two fixing plates (5) are threadedly connected to tightening screws (8), the ends of the two tightening screws (8) close to each other are rotatably connected to clamping plates (7), both sides of one side of the two clamping plates (7) are fixedly connected to second guide bars (6), the second guide bars (6) penetrate the fixing plates (5) and are slidably connected to the fixing plates (5), and the support A clamping rack (11) is fixedly connected to the middle of the inner wall of the frame (2), and guide sleeves (9) are fixedly connected to both sides of the middle of the sliding seat (4). The bottoms of the inner walls of the two guide sleeves (9) are slidably connected to guide columns (13), and the bottoms of the two guide columns (13) are commonly fixedly connected to a clamping tooth (12). A clamping spring (14) is provided at the center of the top of the inner wall of the two guide sleeves (9), and the clamping spring (14) is located between the inner wall of the guide sleeve (9) and the top of the guide column (13). A tightening stud (10) is threadedly connected to the middle of the sliding seat (4), and the tightening stud (10) passes through the sliding seat (4), and the tightening stud (10) corresponds to the position at the center of the top of the clamping tooth (12).

2. A building support according to claim 1, characterized in that: The length of the tightening screw (8) is greater than the length of the second guide rod (6), the length of the tightening stud (10) is greater than the distance from the sliding seat (4) to the clamping rack (11), and the end of the tightening screw (8) away from the clamping plate (7) and the top end of the tightening stud (10) are both fixedly connected to a rotating head.

3. A building support according to claim 2, characterized in that: The length of the clamping rack (11) is matched with the length of the first guide rod (3), and the clamping rack (11) is located at the center between the two first guide rods (3).

4. A building support according to claim 3, characterized in that: The tooth groove of the clamping rack (11) and the pressing tooth (12) are interlocked, the cross section of the pressing tooth (12) is an isobaric triangle, and the length of the pressing tooth (12) is adapted to the width of the clamping rack (11).

5. A building support according to claim 4, characterized in that: The depth of the inner wall of the two guide sleeves (9) is matched with the length of the guide column (13), and the distance from the bottom of the two guide sleeves (9) to the top surface of the clamping rack (11) is smaller than the length of the guide column (13).

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