Adjustable hoisting equipment for steel bar truss floor support plate

Abstract

The invention relates to adjustable steel bar truss floor support plate hoisting equipment which comprises a hoisting assembly, the hoisting assembly comprises a bottom frame, vertical rods, an adjusting transverse frame, adjusting vertical arms and an upper frame, the two sides of the bottom frame are each provided with the two vertical rods, the top end of each vertical rod is provided with one adjusting vertical arm, and the upper frame is provided with the adjusting transverse frame and the adjusting vertical arms; the top ends of all the adjusting vertical arms are fixedly connected with the same upper frame, the adjusting vertical arms are connected with adjusting transverse frames, the adjusting transverse frames are in a horizontal posture, and the vertical rods are movably connected with clamping frames. The stroke length of the movable end of the hydraulic cylinder can be reduced in proportion through the swing rod, the moving length of the movable end of the pressurizing frame is one fifth of the moving length of the movable end of the hydraulic cylinder, and therefore the precision of the moving stroke is improved.

Description

Technical Field

[0001] The invention belongs to the field of floor deck hoisting equipment, in particular to adjustable steel bar truss floor deck hoisting equipment. Background Art

[0002] In the field of construction engineering, steel truss floor deck is a widely used building material. The truss made of steel bars as upper chord, lower chord and web is called steel truss. The combined load-bearing plate welded into a whole by steel truss and bottom plate is called steel truss floor deck. The use of steel truss floor deck is conducive to uniform spacing of steel bars and consistent thickness of concrete cover.

[0003] The existing relevant patent, patent number CN202322101577.9 "A steel truss floor deck hoisting equipment", has "the operator places a number of steel truss floor decks in layers in the positioning grooves of the two vertical plates, and the two sides of a single steel truss floor deck are respectively located in the positioning grooves on the same horizontal plane of the two vertical plates, and then the threaded rod drives the positioning block to slide outside the positioning groove, and the pressure block moves with the positioning block, and the upper end of the pressure block always contacts the inclined groove, and then the pressure block and the through hole slide relative to each other. The lower end of the pressure block gradually moves downward, and then the pressure block and the steel truss The floor decking plate contacts with the clamping assembly to realize the clamping positioning of the two sides of the steel truss floor decking plate. The position of the steel truss floor decking plate is relatively fixed, and it is not easy to bend, deform or break during the hoisting process, which improves the stability of the steel truss floor decking plate during hoisting. However, it still has some shortcomings. For example, the clamping assembly it adopts cannot operate automatically and quickly, resulting in low efficiency of the device. The clamping assembly can only clamp the edge part of the steel truss floor decking plate, resulting in poor clamping stability. Therefore, an adjustable steel truss floor deck hoisting device is proposed. Summary of the invention

[0004] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0005] In view of the following technical problems in the prior art: the clamping assembly used cannot operate automatically and quickly, resulting in low device efficiency; the clamping assembly can only clamp the edge portion of the steel truss floor deck, resulting in poor clamping stability.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: an adjustable steel bar truss floor deck hoisting device, comprising:

[0007] A hoisting assembly, the hoisting assembly includes a base frame, a vertical rod, an adjustment cross frame, an adjustment vertical arm and an upper frame, two vertical rods are arranged on both sides of the base frame, an adjustment vertical arm is arranged on the top of each vertical rod, the tops of all the adjustment vertical arms are fixedly connected to the same upper frame, the adjustment vertical arm is connected to an adjustment cross frame, the adjustment cross frame is in a horizontal posture, and a clamping frame is movably connected to the vertical rod;

[0008] A limit assembly, wherein the limit assembly is slidably connected to the adjustment vertical arm;

[0009] An automatic clamping assembly comprises a hydraulic cylinder, an articulated frame, a rocking arm, a sliding frame and a pressure frame. The movable end of the hydraulic cylinder is provided with an articulated frame. The front and back sides of the articulated frame are rotatably connected with rocking arms. One fifth of the bottom of the rocking arm is rotatably connected with the sliding frame. The bottom end of the rocking arm is connected with a pressure frame. The pressure frame is slidably connected with the clamping frame. The top end of the sliding frame is provided with a sleeve, which is movably sleeved with the adjustment cross frame.

[0010] As a preferred technical solution for an adjustable steel truss floor deck hoisting device, the clamping frame includes a sliding sleeve and a clamping plate, two sliding sleeves are arranged at both ends of the clamping plate, and a plurality of parallelly arranged clamping plates are evenly fixed on the upper side of the sliding sleeve;

[0011] The two ends of the sliding sleeve are respectively sleeved with a vertical rod, the sliding sleeve is slidably connected with the vertical rod, and a plurality of clamping frames are evenly arranged on the top of the base frame;

[0012] The sliding sleeve moves along the vertical rod, and clamps the steel bar truss floor deck with the clamping plate in cooperation with the base frame.

[0013] As a preferred technical solution for the adjustable steel bar truss floor deck hoisting equipment, the automatic clamping assembly also includes a center axis 1, a roller, a center frame, a center axis 2 and a connecting sleeve, the clamping plates at both ends of the sliding sleeve are provided with sliding grooves, the center frame is parallel to the center axis 2 and the center axis 1, and pressure frames are provided at both ends of the center frame, the center axis 2 and the center axis 1, the outer side of the center axis 2 is screwed to the connecting sleeve, the outer side of the center axis 1 is screwed to the roller, the roller extends into the sliding groove, the center axis 2 is screwed to the connecting sleeve, and the connecting sleeve is fixedly connected to the corresponding rocking arm;

[0014] The press frame slides along the clamping plate, and the roller slides along the sliding groove.

[0015] As a preferred technical solution for the adjustable steel truss floor deck hoisting equipment, the automatic clamping assembly further comprises a pressure roller, a plurality of pressure rollers are arranged at the bottom end of the center frame, the pressure rollers are rotatably connected to the center frame, and the pressure rollers abut against the upper side of the clamping plate;

[0016] The rocker arm can proportionally reduce the stroke of the movable end of the hydraulic cylinder to improve the stroke accuracy of the clamping plate, stably clamp the middle and edge of the steel truss floor deck, disperse the clamping force, and prevent the steel truss floor deck from falling during transportation.

[0017] As a preferred technical solution for an adjustable steel truss floor deck hoisting device, the hoisting assembly further includes a gas spring and a clamping frame 2, a plurality of gas springs are arranged on the lower side of the clamping plate, and every two gas springs form a group and are connected to the same clamping frame 2;

[0018] The second clamping frame is pressed against the upper side of the steel bar truss floor deck, and the first clamping frame supports the bottom of the steel bar truss floor deck, so that the steel bar truss floor deck is fixed.

[0019] As an optimal technical solution for an adjustable steel bar truss floor deck hoisting device, the limit assembly includes a second sleeve, an abutment ring, a connecting plate, a third sleeve and a limit nut. The top of the connecting plate is provided with a second sleeve, and the bottom of the connecting plate is provided with a third sleeve. The adjusting vertical arm is sleeved with both the second sleeve and the third sleeve. The second sleeve is above the first sleeve, and the third sleeve is below the first sleeve. The outer side of the adjusting vertical arm is threadedly connected to the limit nut. The lower side of the second sleeve is provided with an abutment ring, and the abutment ring is movably abutted with the first sleeve.

[0020] The limit nut is used to limit the movement of sleeve one and sleeve three, sleeve three uses a connecting plate to limit the position of sleeve two, sleeve two and an abutment ring are used to limit the movement of sleeve one, and a limit assembly is used to limit the position of the adjustment cross frame on the adjustment vertical arm.

[0021] As a preferred technical solution for an adjustable steel truss floor deck hoisting device, two vertical planes are symmetrically milled on the adjusting vertical arm, and other curved surface parts of the adjusting vertical arm are provided with connecting threads. Vertical slide grooves are symmetrically opened on the adjusting vertical arm, and vertical sliders are symmetrically provided on the inner side of the sleeve 1, and the vertical sliders correspond to the vertical slide grooves one by one, and the vertical sliders are slidably connected with the vertical slide grooves;

[0022] The vertical slide block and the vertical slide groove cooperate to make the sleeve move in a straight line.

[0023] The beneficial effects of the adjustable steel truss floor deck hoisting device of the present invention are as follows: by using the clamping plate on the bottom frame, the clamping frame 1 and the clamping frame 2 can stably clamp the middle and edge of the steel truss floor deck, so that the clamping force is dispersed, and the steel truss floor deck is not easy to fall during transportation;

[0024] By using the limiter components and automatic clamping components, it is possible to automatically and accurately clamp the steel truss floor decking.

[0025] The travel length of the movable end of the hydraulic cylinder can be reduced proportionally through the rocking rod, so that the moving length of the movable end of the pressure frame is one fifth of the moving length of the movable end of the hydraulic cylinder, thereby improving the accuracy of the movable stroke of the clamping plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 It is a structural schematic diagram of the sliding mechanism of the present invention;

[0029] Figure 3 The cross-sectional structure diagram of the vertical arm of the present invention is shown in FIG. Figure 1 ;

[0030] Figure 4 It is a structural schematic diagram of the clamping frame of the present invention;

[0031] Figure 5 It is a schematic cross-sectional structure diagram of the sliding mechanism of the present invention;

[0032] Figure 6 The cross-sectional structure diagram of the vertical arm of the present invention is shown in FIG. Figure 2 .

[0033] Figure numerals: lifting assembly 100, base frame 101, clamping frame 102, vertical rod 103, sliding sleeve 104, clamping plate 105, sliding groove 106, gas spring 107, clamping frame 2 108, adjustment cross frame 109, adjustment vertical arm 110, upper frame 111, sleeve 1 112, vertical slider 113, vertical slide groove 114, limit assembly 200, sleeve 201, abutment ring 202, connecting plate 203, sleeve 3 204, limit nut 205, automatic clamping assembly 300, hydraulic cylinder 301, articulated frame 302, rocking arm 303, sliding frame 304, pressure frame 305, center axis 1 306, roller 307, center frame 308, pressure roller 309, center axis 2 310, connecting sleeve 311. DETAILED DESCRIPTION

[0034] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0035] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0036] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0037] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0038] like Figures 1 to 6 As shown, the present invention provides an adjustable steel bar truss floor deck hoisting device, comprising:

[0039] A hoisting assembly 100, the hoisting assembly 100 comprises a base frame 101, a vertical rod 103, an adjustment cross frame 109, an adjustment vertical arm 110 and an upper frame 111, two vertical rods 103 are arranged on both sides of the base frame 101, an adjustment vertical arm 110 is arranged at the top of each vertical rod 103, the tops of all the adjustment vertical arms 110 are fixedly connected to the same upper frame 111, the adjustment cross frame 109 is connected to the adjustment vertical arm 110, the adjustment cross frame 109 is in a horizontal posture, and a clamping frame is movably connected to the vertical rod 103;

[0040] A limit assembly 200, wherein the limit assembly 200 is slidably connected to the adjustment vertical arm 110;

[0041] The automatic clamping assembly 300 comprises a hydraulic cylinder 301, an articulated frame 302, a rocking arm 303, a sliding frame 304 and a pressure frame 305. The movable end of the hydraulic cylinder 301 is provided with an articulated frame 302. The front and back sides of the articulated frame 302 are rotatably connected with the rocking arm 303. The rocking arm 303 is rotatably connected with the sliding frame 304 at one fifth of the bottom. The bottom end of the rocking arm 303 is connected with a pressure frame 305. The pressure frame 305 is slidably connected with the clamping frame. The top end of the sliding frame 304 is provided with a sleeve, which is movably connected with the adjustment cross frame 109.

[0042] The clamping frame includes a sliding sleeve 104 and a clamping plate 105. The two sliding sleeves 104 are arranged at both ends of the clamping plate 105. A plurality of clamping plates 105 arranged in parallel are evenly fixed on the upper side of the sliding sleeve 104.

[0043] The two ends of the sliding sleeve 104 are respectively sleeved with a vertical rod 103, and the sliding sleeve 104 is slidably connected with the vertical rod 103. A plurality of clamping frames 102 are evenly arranged on the top of the base frame 101;

[0044] The sliding sleeve 104 moves along the vertical rod 103, and cooperates with the clamping plate 105 and the base frame 101 to clamp the steel bar truss floor deck.

[0045] The automatic clamping assembly 300 further includes a center axis 1 306, a roller 307, a center frame 308, a center axis 2 310 and a connecting sleeve 311. The clamping plates 105 at both ends of the sliding sleeve 104 are provided with sliding grooves 106. The center frame 308 is parallel to the center axis 2 310 and the center axis 1 306. The center frame 308, the center axis 2 310 and both ends of the center axis 1 306 are provided with pressure frames 305. The outer side of the center axis 2 310 is screwed to the connecting sleeve 311. The outer side of the center axis 1 306 is screwed to the roller 307. The roller 307 extends into the sliding groove 106. The center axis 2 310 is screwed to the connecting sleeve 311. The connecting sleeve 311 is fixedly connected to the corresponding rocking bar 303.

[0046] The pressurizing frame 305 slides along the clamping plate 105 , and the roller 307 slides along the sliding groove 106 .

[0047] The automatic clamping assembly 300 further includes a pressure roller 309. A plurality of pressure rollers 309 are disposed at the bottom end of the center frame 308. The pressure rollers 309 are rotatably connected to the center frame 308, and the pressure rollers 309 abut against the upper side of the clamping plate 105.

[0048] The rocker arm 303 can proportionally reduce the stroke length of the active end of the hydraulic cylinder 301, thereby improving the accuracy of the active stroke of the clamping plate 105.

[0049] The hoisting assembly 100 further includes a gas spring 107 and a second clamping frame 108. A plurality of gas springs 107 are disposed on the lower side of the clamping plate 105. Every two gas springs 107 form a group and are connected to the same second clamping frame 108.

[0050] The second clamping frame 108 is pressed against the upper side of the steel truss floor deck, and the first clamping frame 102 supports the bottom of the steel truss floor deck, so that the steel truss floor deck is fixed.

[0051] The limiting assembly 200 includes a sleeve 201, an abutment ring 202, a connecting plate 203, a sleeve 3 204 and a limiting nut 205. The top of the connecting plate 203 is provided with the sleeve 201, and the bottom of the connecting plate 203 is provided with the sleeve 3 204. The adjusting vertical arm 110 is sleeved with the sleeve 201 and the sleeve 3 204. The sleeve 201 is above the sleeve 1 12, and the sleeve 3 204 is below the sleeve 1 12. The outer side of the adjusting vertical arm 110 is threadedly connected with the limiting nut 205. The lower side of the sleeve 201 is provided with the abutment ring 202, and the abutment ring 202 is movably abutted with the sleeve 1 12.

[0052] The movement of sleeve one 112 and sleeve three 204 is limited by the limit nut 205. Sleeve three 204 uses the connecting plate 203 to limit the position of sleeve two 201. Sleeve two 201 and the abutment ring 202 are used to limit the movement of sleeve one 112. The limit assembly 200 is used to limit the position of the adjustment cross frame 109 on the adjustment vertical arm 110.

[0053] Two vertical planes are symmetrically milled on the adjusting vertical arm 110, and the other curved surface parts of the adjusting vertical arm 110 are provided with connecting threads. Vertical sliding grooves 114 are symmetrically opened on the adjusting vertical arm 110, and vertical sliders 113 are symmetrically provided on the inner side of the sleeve 112. The vertical sliders 113 correspond to the vertical sliding grooves 114 one by one, and the vertical sliders 113 are slidably connected with the vertical sliding grooves 114;

[0054] The vertical slide block 113 and the vertical slide groove 114 cooperate to make the sleeve 112 move linearly.

[0055] The sliding mechanism includes a pressure frame 305, a center shaft 1 306, a roller 307, a center frame 308, a pressure roller 309, a center shaft 2 310 and a connecting sleeve 311.

[0056] The specific implementation method is as follows: according to the height of the steel truss floor deck, the limit nut 205 is rotated to limit the position of the adjustment cross frame 109 through the sleeve 201 to adjust the relative distance between the adjustment cross frame 109 and the base frame 101, so that the clamping plate 105 can clamp the steel truss floor deck quickly and accurately within its range of motion;

[0057] The steel truss floor deck is placed on the clamping frame 102, and the movable end of the hydraulic cylinder 301 moves the clamping plate 105 down and close to the base frame 101, and the gas spring 107 on the clamping plate 105 and the clamping frame 2 108 are used to clamp the steel truss floor deck.

[0058] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0059] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. An adjustable steel truss floor deck hoisting device, characterized by: include: A hoisting assembly (100), the hoisting assembly (100) comprising a base frame (101), two vertical rods (103) are arranged on both sides of the base frame (101), an adjusting vertical arm (110) is arranged at the top of each vertical rod (103), the tops of all the adjusting vertical arms (110) are fixedly connected to the same upper frame (111), an adjusting horizontal frame (109) is connected to the adjusting vertical arm (110), the adjusting horizontal frame (109) is in a horizontal posture, and a clamping frame is movably connected to the vertical rod (103); A limit assembly (200), the limit assembly (200) is slidably connected to the adjustment vertical arm (110); The automatic clamping assembly (300) comprises a hydraulic cylinder (301), a hinge frame (302) is arranged at the movable end of the hydraulic cylinder (301), the front and back sides of the hinge frame (302) are rotatably connected with a rocking bar (303), one fifth of the bottom of the rocking bar (303) is rotatably connected with a sliding frame (304), the bottom end of the rocking bar (303) is connected with a pressurizing frame (305), the pressurizing frame (305) is slidably connected with the clamping frame, and a sleeve is arranged at the top end of the sliding frame (304), and the sleeve is movably sleeved with an adjustment cross frame (109).

2. The adjustable steel bar truss floor deck hoisting device according to claim 1 is characterized by: The clamping frame comprises a sliding sleeve (104) and a clamping plate (105), wherein two sliding sleeves (104) are arranged at two ends of the clamping plate (105), and a plurality of clamping plates (105) arranged in parallel are evenly fixed on the upper side of the sliding sleeve (104).

3. The adjustable steel truss floor deck hoisting device according to claim 2 is characterized by: The two ends of the sliding sleeve (104) are respectively sleeved with a vertical rod (103), and the sliding sleeve (104) is slidably connected to the vertical rod (103).

4. The adjustable steel bar truss floor deck hoisting device according to claim 3 is characterized by: The automatic clamping assembly (300) further comprises a center axis 1 (306), a roller (307), a center frame (308), a center axis 2 (310) and a connecting sleeve (311). The clamping plates (105) at both ends of the sliding sleeve (104) are provided with sliding grooves (106). The center frame (308) is parallel to the center axis 2 (310) and the center axis 1 (306). 10) and a pressure frame (305) is provided at both ends of the center axis one (306), the outer side of the center axis two (310) is screwed to a connecting sleeve (311), the outer side of the center axis one (306) is screwed to a roller (307), the roller (307) extends into the sliding groove (106), the center axis two (310) is screwed to a connecting sleeve (311), and the connecting sleeve (311) is fixedly connected to the corresponding rocking arm (303).

5. The adjustable steel bar truss floor deck hoisting device according to claim 4 is characterized in that: The automatic clamping assembly (300) further comprises a pressure roller (309). A plurality of pressure rollers (309) are arranged at the bottom end of the center frame (308). The pressure rollers (309) are rotatably connected to the center frame (308), and the pressure rollers (309) abut against the clamping plate (105).

6. The adjustable steel bar truss floor deck hoisting device according to claim 5 is characterized by: The hoisting assembly (100) further comprises a gas spring (107) and a second clamping frame (108). A plurality of gas springs (107) are arranged on the lower side of the clamping plate (105), and each two gas springs (107) form a group and are connected to the same second clamping frame (108).

7. The adjustable steel truss floor deck hoisting device according to claim 1 is characterized by: The limiting assembly (200) comprises a second sleeve (201), an abutment ring (202), a connecting plate (203), a third sleeve (204) and a limiting nut (205); the top end of the connecting plate (203) is provided with the second sleeve (201); the bottom end of the connecting plate (203) is provided with the third sleeve (204); the adjusting vertical arm (110) is sleeved with both the second sleeve (201) and the third sleeve (204); the second sleeve (201) is above the first sleeve (112); the third sleeve (204) is below the first sleeve (112); and the outer side of the adjusting vertical arm (110) is threadedly connected to the limiting nut (205).

8. The adjustable steel bar truss floor deck hoisting device according to claim 1 is characterized by: Two vertical planes are symmetrically milled on the adjusting vertical arm (110), and the other curved surface portion of the adjusting vertical arm (110) is provided with connecting threads.

9. The adjustable steel bar truss floor deck hoisting device according to claim 1 is characterized by: The vertical adjustment arm (110) is symmetrically provided with a vertical slide groove (114), and the inner side of the sleeve (112) is symmetrically provided with a vertical slider (113), and the vertical slider (113) corresponds to the vertical slide groove (114) one by one, and the vertical slider (113) is slidably connected to the vertical slide groove (114).

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