Material elevator for constructional engineering

Abstract

The utility model discloses a material hoister for constructional engineering. The material hoister comprises a trolley and an extension mechanism. The middle of the upper end of the trolley is fixedly connected with a supporting frame; the extension mechanism comprises gears, extension assemblies, sleeves, a rotating shaft and a hexagonal column I, the sleeves are fixedly connected to the left side and the right side of the trolley, the extension assemblies are arranged in the sleeves, the rotating shaft is rotatably connected between the front ends of the left side and the right side of the trolley, and the gears fixedly sleeve the left end and the right end of the rotating shaft; the gears are arranged to be matched with the vertically adjacent extension assemblies correspondingly, first hexagonal columns are arranged at the left end and the right end of the rotating shaft correspondingly and located on the outer side of the trolley, and a lifting mechanism is arranged between the upper ends of the two extension assemblies and the supporting frame. The hand-operated lifting mechanism is convenient to use at a construction position without electricity, and meanwhile, the extension of the extension mechanism is convenient to carry materials at a foundation construction position.

Description

TECHNICAL FIELD

[0001] The utility model relates to building engineering equipment technical field, concretely is a material hoist for building engineering. BACKGROUND

[0002] Material hoist, it is a fixed device's mechanical conveying equipment, mainly applicable to the continuous vertical lifting of powdery, granular and small block material, can be widely applied to the lifting of bulk material of various scale feed mill, flour mill, rice mill, oil mill, starch factory and granary, port terminal etc.

[0003] In the construction, need to use material hoist to assist to carry material, but the water and electricity equipment of part area of construction site has not been perfected, and the carrying of material is carried out through manual, and similar workshop ground construction is, and ground pit is narrow, and distribution is wide, and the side of the lifting device of hoist is bonded with the side of ground pit, cannot use, also need manpower to carry, and the workload is larger, for this, we propose a material hoist for building engineering. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of overcoming the defects of the prior art, provides a material hoist for building engineering, which is convenient to use in a construction position without power supply through the hand-operated lifting mechanism, and facilitates the carrying of material at the ground construction site through the extension of the extension mechanism, thereby effectively solving the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a material hoist for building engineering, comprising a trolley and an extension mechanism.

[0006] Trolley: a support frame is fixedly connected to the upper middle part thereof;

[0007] Extension mechanism: it comprises a gear, an extension assembly, a sleeve, a rotating shaft and a hexagonal column one, the left and right sides of the trolley are fixedly connected with sleeves, the interiors of the sleeves are provided with extension assemblies, a rotating shaft is rotatably connected between the front ends of the left and right sides of the trolley, gears are fixedly sleeved on the left and right ends of the rotating shaft, the gears are respectively arranged in cooperation with vertically adjacent extension assemblies, the left and right ends of the rotating shaft are provided with hexagonal columns one, the hexagonal columns one are located on the outer side of the trolley, and a lifting mechanism is arranged between the upper end of the two extension assemblies and the support frame, which is convenient to use in a construction position without power supply through the hand-operated lifting mechanism, and facilitates the carrying of material at the ground construction site through the extension of the extension mechanism.

[0008] Further, the extension assembly comprises an auxiliary wheel one, an auxiliary wheel groove and a rack plate, the inside of the sleeve is provided with the rack plate, the upper end of the rack plate is provided with the auxiliary wheel groove, the upper end of the auxiliary wheel groove is provided with the uniformly distributed placing groove, the inside of the placing groove is rotatably connected with the auxiliary wheel one, the outer arc surface of the auxiliary wheel one is slidably connected with the top wall of the adjacent sleeve, so that the support and the lifting frame are lengthened.

[0009] Further, the extension assembly further comprises an auxiliary wheel two, the rear end of the rack plate is rotatably connected with the up-and-down distributed auxiliary wheel two through the pin shaft, the outer arc surface of the auxiliary wheel two is slidably connected with the adjacent side wall of the adjacent sleeve, so that the rack plate is prevented from colliding.

[0010] Further, the lifting mechanism comprises a driving assembly, a winding drum, a support, a lifting frame and a guide wheel, the left side of the upper surface of the support is provided with the driving assembly, the right side of the upper surface of the support is provided with a rotating frame, the driving assembly and the rotating frame are rotatably connected with the winding drum, the middle part of the winding drum is provided with a cable, the front end between the two rack plates is fixedly connected with the support, the upper end of the support is rotatably connected with the front-and-back distributed guide wheel through a rotating shaft, the front end of the cable of the winding drum passes through the two guide wheels and is fixedly connected with the lifting frame, so that the material is lifted.

[0011] Further, the driving assembly comprises a worm, a worm wheel, a driving box, a hexagonal column two, the left side of the upper surface of the support is provided with the driving box, the driving box and the rotating frame are rotatably connected with the winding drum, the left end of the winding drum is fixedly connected with the worm wheel, the front and back ends of the driving box are rotatably connected with the worm, the worm is meshingly connected with the worm wheel, the rear end of the worm is provided with the hexagonal column two, the hexagonal column two is located at the rear side of the driving box, the outside of the hexagonal column two is inserted with a handle, so that the winding drum is driven to rotate.

[0012] Further, the positioning mechanism comprises a fixed seat, a stud and a hexagonal column three, the bottom wall of the trolley is fixedly connected with the uniformly distributed fixed seat, the inside of the fixed seat is threadedly connected with the stud, the lower end of the stud is provided with the positioning pin, the positioning pin passes through the adjacent through hole of the bottom wall of the trolley, the upper end of the stud is provided with the hexagonal column three, so that the trolley is positioned.

[0013] Further, the left and right sides of the trolley are fixedly connected with the limiting seat, the middle part of the limiting seat is threadedly connected with the limiting bolt, the stud of the limiting bolt corresponds to the front and back positions of the left and right adjacent hexagonal columns one, and the fixing rotating shaft is fixed.

[0014] Compared with the prior art, the building engineering material lifting machine has the following advantages:

[0015] 1, through the handle drive worm rotation, worm gear rotation, drive reel rotation, realize the cable retraction, drive lifting frame lifting, worm and worm gear has high transmission ratio and with self-locking properties, labor-saving while realizing self-locking, convenient in no power construction area use.

[0016] 2, then through the handle rotation shaft, rack plate from the sleeve, support and lifting frame forward extension, make lifting frame located at the upper end of the foundation tunnel, convenient for the carrying of the material inside the foundation tunnel, while the limiting of auxiliary wheel one and auxiliary wheel two make the movement of rack plate more smooth and stable. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic view of the utility model;

[0018] Figure 2 It is the structure schematic view of the utility model A place amplification;

[0019] Figure 3 It is the structure schematic view of the utility model B place amplification section;

[0020] Figure 4 It is the structure schematic view of the utility model extension assembly;

[0021] Figure 5 It is the structure schematic view of the utility model auxiliary wheel one;

[0022] Figure 6 It is the structure schematic view of the utility model positioning mechanism;

[0023] Figure 7 It is the structure schematic view of the utility model handle.

[0024] In the drawing: 1 trolley, 2 extension mechanism, 21 gear, 22 extension assembly, 221 auxiliary wheel one, 222 auxiliary wheel groove, 223 rack plate, 224 auxiliary wheel two, 23 sleeve, 24 rotation shaft, 25 hexagonal column one, 3 lifting mechanism, 31 drive assembly, 311 worm, 312 worm gear, 313 drive box, 314 hexagonal column two, 32 reel, 33 support, 34 lifting frame, 35 guide wheel, 4 limit seat, 5 limit bolt, 6 support frame, 7 positioning mechanism, 71 fixed seat, 72 stud, 73 hexagonal column three, 8 handle. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1-7 The embodiment provides a technical scheme: a material lifting machine for building engineering, comprising a trolley 1 and an extension mechanism 2;

[0027] The trolley 1 is fixedly connected with a support frame 6 at the middle of the upper end thereof;

[0028] The extension mechanism 2 comprises a gear 21, an extension assembly 22, a sleeve 23, a rotating shaft 24 and a hexagonal column 25, the left and right sides of the trolley 1 are fixedly connected with the sleeves 23, the interiors of the sleeves 23 are provided with the extension assemblies 22, the front ends of the left and right sides of the trolley 1 are rotationally connected with the rotating shaft 24, the left and right ends of the rotating shaft 24 are fixedly sleeved with the gears 21, the gears 21 are respectively arranged in cooperation with the vertically adjacent extension assemblies 22, the left and right ends of the rotating shaft 24 are provided with the hexagonal columns 25, the hexagonal columns 25 are located outside the trolley 1, the upper ends of the two extension assemblies 22 and the support frame 6 are provided with a lifting mechanism 3, the extension assembly 22 comprises an auxiliary wheel one 221, an auxiliary wheel groove 222 and a rack plate 223, the interiors of the sleeves 23 are provided with the rack plates 223, the upper ends of the rack plates 223 are provided with the auxiliary wheel grooves 222, the upper ends of the auxiliary wheel grooves 222 are provided with uniformly distributed placing grooves, the interiors of the placing grooves are rotationally connected with the auxiliary wheel ones 221, the outer arc surfaces of the auxiliary wheel ones 221 are respectively rotationally connected with the top walls of the adjacent sleeves 23, the extension assembly 22 further comprises an auxiliary wheel two 224, the rear ends of the rack plates 223 are rotationally connected with the auxiliary wheel twos 224 which are distributed in an up-down manner through a pin shaft, the outer arc surfaces of the auxiliary wheel twos 224 are respectively rotationally connected with the adjacent side walls of the adjacent sleeves 23, the left and right sides of the trolley 1 are fixedly connected with a limiting seat 4, the middle portions of the limiting seat 4 are threadedly connected with a limiting bolt 5, the shanks of the limiting bolt 5 are respectively in position correspondence with the front and rear positions of the left and right adjacent hexagonal columns 25, then the rotating shaft 24 is rotated through a handle 8, the rotating shaft 24 drives the gear 21 to rotate, the rack plate 223 extends out of the sleeve 23, a support 33 and a lifting frame 34 extend forward, the outer arc surfaces of the auxiliary wheel ones 221 are respectively rotationally connected with the top walls of the adjacent sleeves 23, so that the movement of the rack plate 223 is more smooth, the outer arc surfaces of the auxiliary wheel twos 224 are respectively rotationally connected with the adjacent side walls of the adjacent sleeves 23, so that the rack plate 223 is prevented from shaking, when the support 33 and the lifting frame 34 reach a suitable position, the limiting bolt 5 is rotated, the shank of the limiting bolt 5 abuts against the side surface of the hexagonal column 25, so that the rotating shaft 24 is prevented from shaking when lifting materials;

[0029] The lifting mechanism 3 comprises a driving assembly 31, a winding drum 32, a support 33, a lifting frame 34 and guide wheels 35, the left side of the upper surface of the support 6 is provided with the driving assembly 31, the right side of the upper surface of the support 6 is provided with a rotating frame, the winding drum 32 is rotatably connected between the driving assembly 31 and the rotating frame, the middle part of the winding drum 32 is provided with a cable, the front ends of the two rack plates 223 are fixedly connected with the support 33, the upper end of the support 33 is rotatably connected with the front and rear distributed guide wheels 35 through a rotating shaft, the front end of the cable of the winding drum 32 passes through the two guide wheels 35 and is fixedly connected with the lifting frame 34, the driving assembly 31 comprises a worm 311, a worm wheel 312, a driving box 313 and a hexagonal column two 314, the left side of the upper surface of the support 6 is provided with the driving box 313, the winding drum 32 is rotatably connected between the driving box 313 and the rotating frame, the left end of the winding drum 32 is fixedly connected with the worm wheel 312, the front and rear ends of the driving box 313 are rotatably connected with the worm 311, the worm 311 is in meshing connection with the worm wheel 312, the rear end of the worm 311 is provided with the hexagonal column two 314, the hexagonal column two 314 is located at the rear side of the driving box 313, the handle 8 is inserted into the outside of the hexagonal column two 314, by inserting the handle 8 into the outside of the hexagonal column two 314, rotating the handle 8 drives the worm 311 to rotate, the worm wheel 312 rotates, the winding drum 32 rotates, the cable is retracted, the lifting frame 34 is lifted, the worm 311 and the worm wheel 312 have a high transmission ratio and a self-locking property, which saves labor and realizes self-locking at the same time.

[0030] The positioning mechanism 7 comprises a fixed seat 71, a stud 72 and a hexagonal column three 73, the bottom wall of the trolley 1 is fixedly connected with the uniformly distributed fixed seats 71, the inside of the fixed seat 71 is threadedly connected with the stud 72, the lower end of the stud 72 is provided with a positioning pin, the positioning pin passes through the adjacent through hole of the bottom wall of the trolley 1, the upper end of the stud 72 is provided with the hexagonal column three 73, the handle 8 is rotated to each stud 72, the positioning pin is inserted into the ground, and the trolley 1 is fixed.

[0031] The working principle of the material hoist for building engineering is as follows: the diameters of the inscribed circles of hexagonal column one 25, hexagonal column two 314, hexagonal column three 73 and the hexagonal inner hole of the handle 8 are the same, the handle 8 is inserted into the outside of the hexagonal column two 314, the handle 8 is rotated, the worm 311 is driven to rotate, the worm wheel 312 is rotated, the drum 32 is driven to rotate, the cable is retracted, the lifting frame 34 is lifted, the worm 311 and the worm wheel 312 have high transmission ratio and self-locking property, and self-locking is realized while saving labor, when the foundation is constructed, the trolley 1 is pushed to the edge of the foundation pit, each stud 72 is rotated through the handle 8, the positioning pin is inserted into the ground, the trolley 1 is fixed, then the handle 8 is rotated to rotate the shaft 24, the shaft 24 drives the gear 21 to rotate, the rack plate 223 extends out of the sleeve 23, the bracket 33 and the lifting frame 34 extend forward, the outer arc surfaces of the auxiliary wheels one 221 are respectively connected with the top walls of the adjacent sleeves 23 in a sliding mode, the rack plate 223 moves more smoothly, the outer arc surfaces of the auxiliary wheels two 224 are respectively connected with the adjacent side walls of the adjacent sleeves 23 in a sliding mode, the rack plate 223 is prevented from shaking, when the bracket 33 and the lifting frame 34 reach the appropriate position, the limiting bolt 5 is rotated, the stud of the limiting bolt 5 abuts against the side surface of the hexagonal column one 25, and the shaft 24 is prevented from shaking when the material is lifted.

[0032] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation, direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.

Claims

1. A construction material hoist, characterized by: It include dolly (1) and extension mechanism (2); Dolly (1): its upper end middle part is fixedly connected with support frame (6); Extension mechanism (2): it includes gear (21), extension assembly (22), sleeve (23), shaft (24) and hexagonal column one (25), the left and right sides of dolly (1) are fixedly connected with sleeve (23), the inside of sleeve (23) is provided with extension assembly (22), the front end of the left and right sides of dolly (1) is rotatably connected with shaft (24), the left and right ends of shaft (24) are fixedly sleeved with gear (21), gear (21) is respectively matched with the vertically adjacent extension assembly (22), the left and right ends of shaft (24) are provided with hexagonal column one (25), hexagonal column one (25) is located at the outside of dolly (1), the upper end of two extension assemblies (22) and support frame (6) are provided with lifting mechanism (3).

2. A material lift for construction work according to claim 1, characterised in that: The extension assembly (22) includes auxiliary wheel one (221), auxiliary wheel groove (222) and rack plate (223), the inside of the sleeve (23) is provided with the rack plate (223), the upper end of the rack plate (223) is provided with auxiliary wheel groove (222), the upper end of the auxiliary wheel groove (222) is provided with evenly distributed placing groove, the inside of the placing groove is rotatably connected with auxiliary wheel one (221), the outer arc surface of auxiliary wheel one (221) is respectively connected with the top wall of adjacent sleeve (23) slidingly.

3. A construction site material hoist according to claim 2, characterised in that: The extension assembly (22) further includes auxiliary wheel two (224), the rear end of the rack plate (223) is rotatably connected with auxiliary wheel two (224) distributed upward and downward through the pin shaft, the outer arc surface of auxiliary wheel two (224) is respectively connected with the adjacent side wall of adjacent sleeve (23) slidingly.

4. A construction material elevator as claimed in claim 2, wherein: The lifting mechanism (3) includes drive assembly (31), winding drum (32), support (33), lifting frame (34) and guide wheel (35), the left side of the upper surface of support frame (6) is provided with drive assembly (31), the right side of the upper surface of support frame (6) is provided with rotating frame, winding drum (32) is rotatably connected between drive assembly (31) and rotating frame, the middle part of winding drum (32) is provided with cable, the front end of two rack plates (223) is fixedly connected with support (33), the upper end of support (33) is rotatably connected with guide wheel (35) distributed forward and backward through rotating shaft, the front end of the cable of winding drum (32) passes through two guide wheels (35) and is fixedly connected with lifting frame (34).

5. A construction site material hoist according to claim 4, characterised in that: The driving assembly (31) comprises a worm (311), a worm wheel (312), a driving box (313), a hexagonal column two (314), the left side of the upper surface of the support frame (6) is provided with the driving box (313), the driving box (313) and the rotating frame are rotatably connected with the winding drum (32), the left end of the winding drum (32) is fixedly connected with the worm wheel (312), the front and rear ends of the driving box (313) are rotatably connected with the worm (311), the worm (311) is meshed with the worm wheel (312), the rear end of the worm (311) is provided with the hexagonal column two (314), the hexagonal column two (314) is located at the rear side of the driving box (313), and the outside of the hexagonal column two (314) is inserted with the handle (8).

6. A construction material elevator as claimed in claim 1, wherein: The positioning mechanism (7) comprises a fixed seat (71), a stud (72) and a hexagonal column three (73), the bottom wall of the trolley (1) is fixedly connected with the uniformly distributed fixed seats (71), the inside of the fixed seat (71) is screw-connected with the stud (72), the lower end of the stud (72) is provided with the positioning pin, the positioning pin passes through the adjacent through hole of the bottom wall of the trolley (1), and the upper end of the stud (72) is provided with the hexagonal column three (73).

7. A construction material elevator as claimed in claim 1, wherein: The left and right sides of the trolley (1) are fixedly connected with the limiting seats (4), the middle part of the limiting seat (4) is screw-connected with the limiting bolt (5), and the stud of the limiting bolt (5) corresponds to the front and rear positions of the adjacent hexagonal column one (25) respectively.

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