Stepless limiting device suitable for foundation bolt

Abstract

The stepless limiting device comprises a bottom box, and a top cover is fixedly arranged at the upper end of the bottom box; a driving shaft penetrates through the center of the top cover, a transmission mechanism is arranged on the driving shaft in a transmission mode, and an extension mechanism is arranged at the tail end of the transmission mechanism; and the extension mechanisms comprise first extension mechanisms and second extension mechanisms which are in sliding connection with the bottom box and the top cover, the first extension mechanisms and the second extension mechanisms are distributed in multiple groups in a circular array mode with the driving shaft as the center and form a frame shape, and sleeve heads are fixedly arranged at the lower ends of the second extension mechanisms. The stepless limiting device suitable for the foundation bolt is easy and convenient to assemble, high in universality and capable of being repeatedly used.

Description

Technical Field

[0001] The invention relates to the technical field of electric power, and in particular to a stepless limiting device suitable for anchor bolts. Background Art

[0002] Anchor bolts are a kind of mechanical components embedded in the concrete foundation. According to different usage scenarios, anchor bolts can be divided into short anchor bolts, which are used to fix equipment without strong vibration and impact, such as towers, poles, pressure storage tanks, etc.; long anchor bolts, which are used to fix heavy mechanical equipment with strong vibration and impact, such as motors, fuel engines, etc.

[0003] During the construction process of embedding anchor bolts in concrete foundation, the anchor bolts are prone to misalignment and tilt, which will cause difficulties in the construction of equipment installation. At present, the method to prevent the misalignment and tilt of anchor bolts is: the designer designs and manufactures a steel fixed template separately according to the design specifications and design parameters. The function of the fixed template is to limit the position of the anchor bolts. However, the conventional method has the following shortcomings:

[0004] 1. Steel fixed formwork needs to be designed and manufactured, which takes a long time;

[0005] 2. The separately manufactured fixed template is a disposable consumable and consumes a lot of materials. Summary of the invention

[0006] In order to solve the technical problems existing in the background technology, the present invention provides a stepless limiting device suitable for anchor bolts, which is easy to assemble, highly versatile and reusable.

[0007] The technical solution adopted by the present invention is:

[0008] A stepless limit device for anchor bolts includes: a bottom box, a top cover fixedly arranged on the upper end of the bottom box. A driving shaft is arranged through the center of the top cover, a transmission mechanism is arranged on the driving shaft, and an extension mechanism is arranged at the end of the transmission mechanism. The extension mechanism includes: a first extension mechanism and a second extension mechanism slidably connected to the bottom box and the top cover, the first extension mechanism and the second extension mechanism are distributed in a circular array with the driving shaft as the center, and form a frame shape, and a sleeve is fixedly arranged at the lower end of the second extension mechanism.

[0009] Furthermore, an annular convex edge is protrudingly provided at the upper edge of the bottom box, a sliding downward hole is provided in the center of the bottom box, a sliding slide is provided through the bottom box, and the sliding slides are distributed in multiple groups in a circular array with the sliding hole as the center, and form a radial shape, a sliding seat is protrudingly provided on the upper plate surface of the bottom box, and an inwardly concave sliding groove is provided on the bottom box on one side of the sliding seat.

[0010] Furthermore, the lower end surface of the top cover is abutted and fixed with the convex edge, an upper sliding hole is provided through the center of the top cover, an upper slide track is provided through the top cover, the upper slide tracks are distributed in multiple groups in a circular array with the upper sliding hole as the center, and form a radial shape, and an inwardly concave upper slide groove is provided on the lower plate surface of the top cover.

[0011] Furthermore, the upper slideway is arranged in parallel and just above the lower slideway;

[0012] The upper slide groove is arranged parallel to and just above the lower slide groove.

[0013] Furthermore, a rotary rod rotatably inserted in the lower sliding hole is provided at the lower end of the driving shaft, a first bevel gear is provided at the connection between the driving shaft and the rotary rod, and an angular hole is provided at the upper end of the driving shaft.

[0014] Furthermore, the transmission mechanism comprises:

[0015] A transmission shaft is rotatably inserted in the slide seat, one end of the transmission shaft is provided with a second umbrella-shaped tooth meshing with the first umbrella-shaped gear, and the other end of the transmission shaft is provided with a worm.

[0016] Furthermore, the transmission mechanism further includes:

[0017] A "┣"-shaped limiting plate, wherein the upper and lower ends of the limiting plate are respectively inserted into the upper slide groove and the lower slide groove, a rack meshing with the worm is arranged on the side wall of the limiting plate, and a connecting ear is arranged at the end of the limiting plate.

[0018] Furthermore, the first extension mechanism comprises:

[0019] A bent first connecting arm, wherein a first hinge shaft is disposed in the center of the first connecting arm, and upper protruding rods extending upward are disposed at both ends of the first connecting arm, wherein the upper protruding rods are slidably inserted in the upper slideway, and the upper protruding rods are rotatably inserted in the connecting ears;

[0020] The second extension mechanism comprises:

[0021] The second connecting arm is bent, and a second hinge shaft is arranged in the center of the second connecting arm. Lower protruding rods extending downward are arranged at both ends of the second connecting arm, and the lower protruding rods are slidably inserted in the lower slide track.

[0022] Furthermore, the bending angles of the first connecting arm and the second connecting arm are obtuse angles;

[0023] An articulated shaft is inserted into the first articulated shaft and the second articulated shaft, so that the first connecting arm and the second connecting arm are articulated;

[0024] Both ends of the first connecting arm are respectively hinged to the adjacent second connecting arms;

[0025] Two ends of the second connecting arm are respectively hinged to the adjacent first connecting arms.

[0026] Furthermore, the sleeve is configured to be cylindrical, a connecting screw hole threadedly connected to the lower protruding rod is provided at the center of the upper portion of the sleeve, and a stepped screw sleeve is provided at the center of the lower portion of the sleeve, and the screw sleeve is sleeved on the anchor bolt.

[0027] The advantages of the stepless limiting device for anchor bolts of the present invention are:

[0028] 1. The disc-shaped structure composed of the bottom box and the top cover is convenient for transportation;

[0029] 2. Through the extension mechanism, the function of stepless adjustment is realized to improve versatility;

[0030] 3. Through the transmission structure of the worm gear, ensure that the socket of the anchor bolt is not misaligned. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the specific implementation of the present invention, the drawings required in the specific implementation are briefly introduced below. The drawings in the following description are implementations of the present invention.

[0032] Figure 1 It is a general three-dimensional schematic diagram of a stepless limiting device applicable to anchor bolts provided by an example of the present invention;

[0033] Figure 2 It is a three-dimensional schematic diagram of a bottom box of a stepless limiting device suitable for anchor bolts provided by an example of the present invention;

[0034] Figure 3 It is a three-dimensional schematic diagram of a driving shaft of a stepless limiting device suitable for anchor bolts provided by an example of the present invention;

[0035] Figure 4 The present invention provides a three-dimensional schematic diagram of the transmission mechanism of the stepless limit device for anchor bolts. Figure 1 ;

[0036] Figure 5 The present invention provides a three-dimensional schematic diagram of the transmission mechanism of the stepless limit device for anchor bolts. Figure 2 ;

[0037] Figure 6 It is a three-dimensional schematic diagram of an extension mechanism of a stepless limiting device suitable for anchor bolts provided by an example of the present invention;

[0038] Figure 7 It is a three-dimensional schematic diagram of a first extension mechanism of a stepless limiting device suitable for anchor bolts provided by an example of the present invention;

[0039] Figure 8 It is a three-dimensional schematic diagram of a second extension mechanism of a stepless limiting device suitable for anchor bolts provided by an example of the present invention;

[0040] Fig. 9 It is a three-dimensional schematic diagram of a sleeve head of a stepless limiting device suitable for anchor bolts provided by an example of the present invention;

[0041] Fig.10 The invention provides a three-dimensional schematic diagram of a top cover of a stepless limiting device suitable for anchor bolts according to an example of the invention.

[0042] In the figure:

[0043] 10. Bottom box,

[0044] 11. convex edge, 12. downward sliding hole, 13. downward sliding path, 14. sliding seat, 15. downward sliding groove,

[0045] 20. Drive shaft,

[0046] 21. Rotating rod, 22. First bevel gear, 23. Ridge hole,

[0047] 30. Transmission mechanism,

[0048] 31. Transmission shaft, 32. Second umbrella tooth, 33. Worm,

[0049] 34. Limiting plate, 35. Rack, 36. Connecting ear,

[0050] 40. Extension agency,

[0051] 41. first extension mechanism, 410. first connecting arm, 411. first hinge shaft, 412. upper protruding rod,

[0052] 42. second extension mechanism, 420. second connecting arm, 421. second hinge shaft, 422. lower protruding rod,

[0053] 50. Top cover,

[0054] 52, upper slide hole, 53, upper slideway, 55, upper slide groove,

[0055] 60. Hood,

[0056] 61. Connecting screw hole, 62. Screw sleeve. DETAILED DESCRIPTION

[0057] In order to more clearly and specifically explain the specific implementation purpose and implementation mode of the present invention, the technical solution of the present invention will be fully described below. The described embodiments are part of the embodiments of the present invention, but not all of them. Without making creative work, all other embodiments based on the embodiments described in the present invention belong to the protection scope of the present invention.

[0058] The present invention is applicable to a stepless limiting device for anchor bolts, such as Figure 1As shown, including:

[0059] Bottom box 10, such as Figure 2 As shown, an annular convex edge 11 is protrudingly provided at the upper edge of the bottom box 10, a downward sliding hole 12 is provided in the center of the bottom box 10, a downward sliding track 13 is provided through the bottom box 10, and the downward sliding tracks 13 are distributed in a circular array with the downward sliding hole 12 as the center, and form a radial shape. A slide seat 14 is protrudingly provided on the upper plate surface of the bottom box 10, and a concave downward sliding groove 15 is provided on the bottom box 10 on one side of the slide seat 14.

[0060] A top cover 50 is fixedly provided on the upper end of the bottom box 10. Fig.10 As shown, the lower end surface of the top cover 50 is abutted against and fixed to the convex edge 11, an upper sliding hole 52 is penetrated through the center of the top cover 50, an upper slide track 53 is penetrated through the top cover 50, the upper slide track 53 is parallelly arranged just above the lower slide track 13, and multiple groups are distributed in a circular array with the upper sliding hole 52 as the center to form a radial shape, and an inwardly concave upper slide groove 55 is arranged on the lower plate surface of the top cover 50, and the upper slide groove 55 is parallelly arranged just above the lower slide groove 15.

[0061] The driving shaft 20 is disposed through the center of the top cover 50. Figure 3 As shown, the lower end of the driving shaft 20 is provided with a rotating rod 21 rotatably inserted in the lower sliding hole 12, a first bevel gear 22 is provided at the connection between the driving shaft 20 and the rotating rod 21, and an angular hole 23 is provided at the upper end of the driving shaft 20.

[0062] The drive shaft 20 is provided with a transmission mechanism 30, and the transmission mechanism 30 is as follows: Figure 4 , Figure 5 As shown, including:

[0063] A transmission shaft 31 is rotatably inserted in the slide seat 14, one end of the transmission shaft 31 is provided with a second umbrella-shaped tooth 32 meshing with the first umbrella-shaped gear 22, and the other end of the transmission shaft 31 is provided with a worm 33; a "┣"-shaped limit plate 34, the upper and lower ends of which are respectively inserted in the upper slide groove 55 and the lower slide groove 15, a rack 35 meshing with the worm 33 is provided on the side wall of the limit plate 34, and a connecting ear 36 is provided at the end of the limit plate 34.

[0064] The transmission mechanism 30 is provided with an extension mechanism 40 at the end thereof. Figure 6 As shown, it includes: a first extending mechanism 41 and a second extending mechanism 42.

[0065] The first extension mechanism 41, such as Figure 7 As shown, including:

[0066] The bending angle of the first connecting arm 410 is obtuse, and a first hinge shaft 411 is arranged in the center of the first connecting arm 410. Both ends of the first connecting arm 410 are provided with upper protruding rods 412 extending upward. The upper protruding rods 412 are slidably inserted in the upper slideway 53, and the upper protruding rods 412 are rotatably inserted in the connecting ear 36.

[0067] The second extension mechanism 42, such as Figure 8 As shown, including:

[0068] The bending angle of the second connecting arm 420 is obtuse, and a second hinge shaft 421 is arranged in the center of the second connecting arm 420. The two ends of the second connecting arm 420 are provided with lower protruding rods 422 extending downward. The lower protruding rods 422 are slidably inserted in the lower slide 13, and a sleeve 60 is fixedly arranged at the lower end of the lower protruding rod 422.

[0069] Hinge shafts are inserted into the first hinge shaft 411 and the second hinge shaft 421, so that the first connecting arm 410 and the second connecting arm 420 are hinged; the two ends of the first connecting arm 410 are respectively hinged to the adjacent second connecting arm 420; the two ends of the second connecting arm 420 are respectively hinged to the adjacent first connecting arm 410, thereby making the first extension mechanism 41 and the second extension mechanism 42 distributed in multiple groups in a circular array with the driving shaft 20 as the center, and forming a frame shape.

[0070] like Fig. 9 As shown, the sleeve 60 is configured to be cylindrical, and a connecting screw hole 61 threadedly connected to the lower protruding rod 422 is provided at the center of the upper part of the sleeve 60, and a stepped screw sleeve 62 is provided at the center of the lower part of the sleeve 60, and the screw sleeve 62 is sleeved on the anchor bolt.

[0071] According to the specific structure of the stepless limiting device applicable to the anchor bolt in the above embodiment, the assembly method thereof is further described below:

[0072] A. Assembling the extension mechanism 40:

[0073] An equal number of first connecting arms 410 and second connecting arms 420 are staggered and connected to form a ring;

[0074] There are two groups of the above-mentioned annular structures, and the first connecting arm 410 of the first group of annular structures is on the top, and the second connecting arm 420 of the second group of annular structures is on the bottom. The two groups of annular structures are hinged to form an extension mechanism 40 through a first hinge shaft 411 and a second hinge shaft 421.

[0075] The extension mechanism 40 is placed in the bottom box 10 , and the lower protruding rod 422 is inserted into the lower slide 13 .

[0076] B. Assemble transmission parts:

[0077] Insert the transmission shaft 31 into the slide seat 14;

[0078] The lower end of the limit plate 34 is inserted into the lower sliding groove 15, and the worm 33 and the rack 35 are meshed;

[0079] The connecting ear 36 is sleeved outside the upper protruding rod 412;

[0080] The rotating rod 21 is inserted into the lower sliding hole 12 , and the first umbrella-shaped gear 22 and the second umbrella-shaped gear 32 are meshed with each other.

[0081] C. Assemble the top cover 50:

[0082] Place the top cover 50 on the upper end of the bottom box 10;

[0083] The rib hole 23 passes through the upper sliding hole 52;

[0084] The upper end of the limiting plate 34 is inserted into the upper slide groove 55;

[0085] The upper protruding rod 412 is inserted into the upper slideway 53;

[0086] The bottom box 10 is fixedly connected to the top cover 50 .

[0087] Based on the above, the embodiment of the stepless limit device for anchor bolts of the present invention is used as inspiration. Through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of ​​the present invention. The technical scope of the present invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A stepless limit device suitable for anchor bolts, characterized by: include: A bottom box (10), wherein a top cover (50) is fixedly provided on the upper end of the bottom box (10); A driving shaft (20) is provided through the center of the top cover (50), a transmission mechanism (30) is provided on the driving shaft (20), and an extension mechanism (40) is provided at the end of the transmission mechanism (30). The extension mechanism (40) comprises: a first extension mechanism (41) and a second extension mechanism (42) which are slidably connected to the bottom box (10) and the top cover (50); the first extension mechanism (41) and the second extension mechanism (42) are arranged in a circular array with the driving shaft (20) as the center, and form a frame shape; the lower end of the second extension mechanism (42) is fixedly provided with a sleeve (60).

2. The stepless limiting device for anchor bolts according to claim 1 is characterized in that: An annular convex edge (11) is protrudingly provided at the upper edge of the bottom box (10), a lower sliding hole (12) is provided at the center of the bottom box (10), a lower sliding track (13) is provided through the bottom box (10), and a plurality of groups of the lower sliding tracks (13) are arranged in a circular array with the lower sliding hole (12) as the center, and form a radial shape, a sliding seat (14) is protrudingly provided on the upper plate surface of the bottom box (10), and a concave lower sliding groove (15) is provided on the bottom box (10) on one side of the sliding seat (14).

3. The stepless limiting device for anchor bolts according to claim 2 is characterized in that: The lower end surface of the top cover (50) is in contact with and fixed to the convex edge (11); an upper sliding hole (52) is provided through the center of the top cover (50); an upper sliding track (53) is provided through the top cover (50); the upper sliding tracks (53) are arranged in a plurality of groups in a circular array with the upper sliding hole (52) as the center, and are radially arranged; an inwardly concave upper sliding groove (55) is provided on the lower plate surface of the top cover (50).

4. The stepless limiting device for anchor bolts according to claim 3 is characterized in that: The upper slideway (53) is arranged parallel to and directly above the lower slideway (13); The upper slide groove (55) is arranged parallel to and directly above the lower slide groove (15).

5. The stepless limiting device for anchor bolts according to claim 4 is characterized in that: The lower end of the driving shaft (20) is provided with a rotary rod (21) rotatably inserted in the lower sliding hole (12), a first bevel gear (22) is provided at the connection between the driving shaft (20) and the rotary rod (21), and an angular hole (23) is provided at the upper end of the driving shaft (20).

6. The stepless limiting device for anchor bolts according to claim 5 is characterized in that: The transmission mechanism (30) comprises: A transmission shaft (31) is rotatably inserted in a slide seat (14), one end of the transmission shaft (31) is provided with a second bevel gear (32) meshing with the first bevel gear (22), and the other end of the transmission shaft (31) is provided with a worm (33).

7. The stepless limiting device for anchor bolts according to claim 6 is characterized in that: The transmission mechanism (30) further comprises: A "┣"-shaped limiting plate (34) is provided, wherein the upper and lower ends of the limiting plate (34) are respectively inserted into an upper slide groove (55) and a lower slide groove (15), a rack (35) meshing with the worm (33) is provided on a side wall of the limiting plate (34), and a connecting ear (36) is provided at the end of the limiting plate (34).

8. The stepless limiting device for anchor bolts according to claim 7 is characterized in that: The first extension mechanism (41) comprises: A bent first connecting arm (410), wherein a first hinge shaft (411) is disposed at the center of the first connecting arm (410), and upper protruding rods (412) extending upward are disposed at both ends of the first connecting arm (410), wherein the upper protruding rods (412) are slidably inserted in the upper slideway (53), and the upper protruding rods (412) are rotatably inserted in the connecting ears (36); The second extension mechanism (42) comprises: A bent second connecting arm (420) is provided with a second hinge shaft (421) at the center of the second connecting arm (420), and lower protruding rods (422) extending downward are provided at both ends of the second connecting arm (420), and the lower protruding rods (422) are slidably inserted in the lower slide track (13).

9. The stepless limiting device for anchor bolts according to claim 9 is characterized in that: The bending angles of the first connecting arm (410) and the second connecting arm (420) are obtuse angles; A hinge shaft is inserted into the first hinge shaft (411) and the second hinge shaft (421), so that the first connecting arm (410) and the second connecting arm (420) are hingedly connected; Both ends of the first connecting arm (410) are respectively hinged to the adjacent second connecting arm (420); Both ends of the second connecting arm (420) are respectively hinged to the adjacent first connecting arm (410).

10. The stepless limiting device for anchor bolts according to claim 8, characterized in that: The sleeve (60) is configured to be cylindrical, a connecting screw hole (61) threadedly connected to the lower protruding rod (422) is provided at the center of the upper portion of the sleeve (60), and a stepped screw sleeve (62) is provided at the center of the lower portion of the sleeve (60), and the screw sleeve (62) is sleeved on the anchor bolt.

Images