Building construction lifting appliance

Abstract

The utility model relates to the technical field of lifting appliances, and discloses a building construction lifting appliance which comprises a cross beam, a lifting lug, a first lifting hook arranged at one end of the cross beam, a second lifting hook arranged at the other end of the cross beam, a first chain positioned at the upper ends of the first lifting hook and the second lifting hook, and cushion blocks positioned at the lower ends of the first lifting hook and the second lifting hook, a second chain is arranged between the first lifting hook and the second lifting hook, a connecting ring is arranged at one end of the second chain, a connecting column allowing the connecting ring to penetrate through is arranged on the side edge of the lower end of the first lifting hook, a long rod is arranged at the end, away from the connecting ring, of the second chain, and a connecting sleeve allowing the long rod to penetrate through is arranged on the lower side of the second lifting hook. A plurality of positioning holes are formed in the long rod, and a positioning pin used for being embedded into any positioning hole is arranged on the long rod. The first lifting hook and the second lifting hook are connected through the second chain and the long rod, and finally the possibility of unhooking accidents can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hoisting appliance technical field, especially relate to a building construction hoist. BACKGROUND

[0002] Cement pipes are often needed in building construction, and since the bodies of the cement pipes are mostly large and heavy, hoists are needed to hoist and transport the cement pipes.

[0003] At present, a kind of cross bracing vertical hoist is disclosed in Chinese patent with publication number CN211569854U and publication date September 25, 2020, which includes a cross beam and a hoisting plate installed on the middle part of the upper end of the cross beam, the two ends of the cross beam are provided with hoisting holes, connecting pieces are installed on the hoisting holes, hooks are hung on the lower ends of the connecting pieces, and head parts of the hooks are installed with backing plates.

[0004] This kind of cross bracing vertical hoist uses two hooks to hook at the two ends of the cement pipe, thereby realizing the hoisting and transporting of the cement pipe; however, when the two hooks are hooked at the two ends of the cement pipe, the friction force at the position of the backing plate between the cement pipe and the hook only plays a limiting role, and the hook is connected with the cross beam through a chain, so once the cement pipe collides with external objects during hoisting and transporting, the hook is easily detached from the end of the cement pipe, thereby causing the cement pipe to quickly fall from the hoist, which may eventually lead to a safety accident. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a building construction hoist that can reduce the possibility of hook detachment accidents.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a building construction hoist includes a cross beam, an ear installed on the middle part of the upper side of the cross beam and through which the hook of a hoist passes, a first hook installed at one end of the cross beam, a second hook installed at the other end of the cross beam, a first chain located at the upper ends of the first hook and the second hook, and a backing block located at the lower ends of the first hook and the second hook, a second chain is provided between the first hook and the second hook, a connecting ring is provided at one end of the second chain, a connecting column through which the connecting ring passes is provided at the side of the lower end of the first hook, a long rod is provided at the end of the second chain away from the connecting ring, a connecting sleeve through which the long rod passes is provided on the lower side of the second hook, a plurality of positioning holes are opened on the long rod, and a positioning pin for embedding in any positioning hole is provided on the long rod.

[0007] The utility model discloses a further setting for: the downside of crossbeam is provided with fixed plate, both ends of fixed plate all are provided with the long slot of extending along horizontal direction, the downside inner wall of long slot is provided with a plurality of positioning slot that evenly spaced distribution along horizontal direction, the upper end of first chain is provided with the hanging shaft for embedding in any positioning slot.

[0008] The utility model discloses a further setting for: the long slot is embedded with the slider for positioning the hanging shaft in positioning slot, the upside of slider is provided with the sliding plate of being " N" shape and wrapping in the downside of crossbeam, one end of sliding plate is provided with the internal thread sleeve, the internal thread sleeve internal thread connection has the positioning bolt for the end portion of resisting on the outer wall of crossbeam.

[0009] The utility model discloses a further setting for: the cushion block includes the base plate connected at the lower end of first lifting hook and second lifting hook, the rubber board is set up at the upside of base plate.

[0010] The utility model discloses a further setting for: one side of base plate is provided with the connecting arm, and the one end of connecting arm is provided with the clamping head away from base plate, and the lower end of first lifting hook and second lifting hook is provided with the elastic buckle of the section of being the V -shaped of the opening downward.

[0011] The utility model discloses a further setting for: the end of elastic buckle is provided with the guide portion.

[0012] The utility model discloses a further setting for: the upper end between connecting sleeve and second lifting hook is provided with the reinforcing rib.

[0013] The utility model discloses a further setting for: the both ends of long rod are provided with threaded end, and the lower end of first lifting hook and second lifting hook is provided with the threaded hole for the threaded connection of threaded end.

[0014] The utility model discloses a further setting for: the both ends of long rod are provided with threaded end, and the lower end of first lifting hook and second lifting hook is provided with the threaded hole for the threaded connection of threaded end.

[0015] 1. when first lifting hook and second lifting hook are hooked in the both ends of cement pipe, the long rod of second chain end is passed through connecting sleeve, wherein utilizes the multiple positioning holes of long rod and is provided with positioning pin, at this moment, long rod can be moved to different positions in connecting sleeve according to the length of cement pipe, and then the long rod on connecting sleeve is positioned through positioning pin, at this moment, the position between first lifting hook and second lifting hook can be connected through second chain and long rod, and finally the possibility of unhooking accident can be reduced, and long rod is long, so that the operator can conveniently pass long rod through cement pipe.

[0016] 2. When the first hook and the second hook need to change the interval according to the length of the cement pipe, the long slot extending in the horizontal direction is opened at both ends of the fixed plate, and a plurality of positioning slots uniformly distributed in the horizontal direction are opened on the lower inner wall of the long slot. At this time, the hanging shaft at the upper end of the first chain can be embedded in any positioning slot, and finally the interval of the first hook and the second hook can be conveniently changed;

[0017] 3. When the hanging shaft is embedded in the positioning slot at the appropriate position, the slider embedded in the long slot can be moved to the position of the long slot at this position, and then the positioning bolt is tightened, so that the end of the positioning bolt abuts against the outer wall of the cross beam, so that the position of the slider in the long slot is positioned by the positioning bolt, and finally the hanging shaft in the positioning slot is positioned by the slider, avoiding the hanging shaft from the positioning slot.

[0018] 4. The cushion block includes a base plate and a rubber plate, and the cushion block can abut against the inner wall of the cement pipe by the rubber plate. Since the rubber plate is relatively soft and has a large friction coefficient, it is beneficial to reduce the damage to the inner wall of the cement pipe, and also beneficial to increase the stability of the first hook and the second hook connected at the end of the cement pipe.

[0019] 5. When the rubber plate on the base plate is damaged and needs to be replaced, only the clamping head of the connecting arm needs to be pulled out of the elastic buckle to quickly disassemble the cushion block, and finally the replacement of the rubber plate can be quickly completed.

[0020] 6. The guide portion provided at the end of the elastic buckle can guide the clamping between the clamping head and the elastic buckle, which is beneficial to the smooth clamping of the clamping head in the elastic buckle.

[0021] 7. The reinforcing rib provided between the upper end of the connecting sleeve and the second hook can increase the stability of the connecting sleeve connected to the lower side of the second hook, which is beneficial to the stable connection between the connecting sleeve and the long rod.

[0022] 8. When the first hook and the second hook are not used or during the transportation of the lifting tool, the threaded ends at both ends of the long rod are respectively screwed into the threaded holes at the lower ends of the first hook and the second hook. At this time, the first hook and the second hook can be connected by the long rod, so as to fix the relative position between the first hook and the second hook, avoid the collision between the first hook and the second hook, and be beneficial to protect the first hook and the second hook. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained based on these drawings without creative labor.

[0024] Figure 1 is the structural plan view of the present application, wherein the dotted line part is a cement pipe;

[0025] Figure 2 is the structural section view of the position of the cross beam in the present application;

[0026] Figure 3 is the local structural enlarged view of the lower end of the second lifting hook in the present application;

[0027] Figure 4 is the local section view of the connection relationship between the long rod and the positioning pin in the present application.

[0028] In the figure, 1, cross beam; 11, lifting lug; 12, fixed plate; 121, long slot; 122, positioning slot; 2, first lifting hook; 21, connecting column; 3, second lifting hook; 31, connecting sleeve; 32, reinforcing rib; 4, first chain; 41, hanging shaft; 5, cushion block; 51, base plate; 511, connecting arm; 512, clamping head; 52, rubber plate; 6, second chain; 61, connecting ring; 62, long rod; 621, positioning hole; 622, positioning pin; 623, threaded end; 7, sliding block; 71, sliding plate; 711, internal thread sleeve; 712, positioning bolt; 8, elastic buckle; 81, guide part; 9, threaded hole. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments will be described clearly and completely. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0030] A building construction lifting appliance, with reference to Figure 1The building construction lifting appliance comprises a crossbeam 1, a lifting lug 11, a first lifting hook 2, a second lifting hook 3, a first chain 4 and a cushion block 5, wherein the lifting lug 11 is integrally arranged at the middle position of the upper side of the crossbeam 1, the lifting lug 11 can be penetrated by the lifting hook of a crane, the first lifting hook 2 and the second lifting hook 3 are respectively arranged at the two end positions of the lower side of the crossbeam 1, the two ends of a cement pipe can be hooked by the first lifting hook 2 and the second lifting hook 3, the first chain 4 is arranged at the upper end of the first lifting hook 2 and the second lifting hook 3, the cushion block 5 is arranged at the lower end of the first lifting hook 2 and the second lifting hook 3, and the first lifting hook 2 and the second lifting hook 3 abut against the inner wall of the cement pipe through the cushion block 5.

[0031] With reference to Figure 1 , Figure 2 , the lower side of the crossbeam 1 is integrally provided with a fixed plate 12, the two ends of the fixed plate 12 are provided with long groove 121 extending along the horizontal direction, the lower inner wall of the long groove 121 is provided with a plurality of positioning grooves 122 uniformly distributed along the horizontal direction, and the upper end of the first chain 4 is fixed with a hanging shaft 41 embedded in any positioning groove 122; meanwhile, the long groove 121 is embedded with a sliding block 7 for positioning the hanging shaft 41 in the positioning groove 122, and the upper side of the sliding block 7 is integrally provided with a sliding plate 71 in the shape of "N" and wrapped on the lower side of the crossbeam 1, one end of the sliding plate 71 is integrally provided with an internally threaded sleeve 711, and the internally threaded sleeve 711 is internally threadedly connected with a positioning bolt 712 with an end for abutting against the outer wall of the crossbeam 1.

[0032] With reference to Figure 1 , Figure 3 , the cushion block 5 comprises a base plate 51 connected at the lower end of the first lifting hook 2 and the second lifting hook 3, and a rubber plate 52 adhesively fixed on the upper side of the base plate 51; one side of the base plate 51 is welded with a connecting arm 511, the end of the connecting arm 511 away from the base plate 51 is integrally provided with a clamping head 512, the lower end of the first lifting hook 2 and the second lifting hook 3 are both welded with an elastic buckle 8 in the shape of V with the opening downward, the elastic buckle 8 is made of spring steel, and the end of the elastic buckle 8 is integrally provided with a guide portion 81.

[0033] With reference to Figure 1 , Figure 3 , Figure 4, and a second chain 6 is arranged between the first hook 2 and the second hook 3, and a connecting ring 61 is connected to one end of the second chain 6, wherein a connecting column 21 is welded at the side of the lower end of the first hook 2, the connecting ring 61 passes through the connecting column 21, a long rod 62 is welded at the end of the second chain 6 away from the connecting ring 61, a connecting sleeve 31 is welded at the lower side of the second hook 3, the long rod 62 passes through the connecting sleeve 31, and a reinforcing rib 32 is welded between the upper end of the connecting sleeve 31 and the second hook 3, wherein a plurality of positioning holes 621 are formed in the long rod 62, the plurality of positioning holes 621 are uniformly and spacedly distributed along the extension direction of the long rod 62, a positioning pin 622 is arranged on the long rod 62 and embedded in any one of the positioning holes 621, and the positioning pin 622 is in T shape, and threaded ends 623 are integrally arranged at both ends of the long rod 62, and threaded holes 9 are formed at the lower ends of the first hook 2 and the second hook 3 and threadedly connected with the threaded ends 623.

[0034] Principle: when the first hook 2 and the second hook 3 are hooked at both ends of the cement pipe, the long rod 62 at the end of the second chain 6 passes through the connecting sleeve 31, the plurality of positioning holes 621 are formed in the long rod 62, and the positioning pin 622 is arranged on the long rod 62, at this time, the long rod 62 can be moved to different positions in the connecting sleeve 31 according to the length of the cement pipe, and the long rod 62 in the connecting sleeve 31 is positioned by the positioning pin 622, at this time, the position between the first hook 2 and the second hook 3 can be connected by the second chain 6 and the long rod 62, and finally the possibility of unhooking accident can be reduced, and because the long rod 62 is relatively long, the operator can conveniently pass the long rod 62 through the cement pipe.

[0035] When the first hook 2 and the second hook 3 need to change the distance according to the length of the cement pipe, the long strip grooves 121 extending in the horizontal direction are formed at both ends of the fixed plate 12, and a plurality of positioning grooves 122 uniformly and spacedly distributed in the horizontal direction are formed in the inner wall of the lower side of the long strip groove 121, at this time, the hanging shaft 41 at the upper end of the first chain 4 is embedded in any one of the positioning grooves 122, and finally it is beneficial to conveniently change the distance between the first hook 2 and the second hook 3.

Claims

1. A construction hoist, comprising a crossbeam (1), a lifting lug (11) arranged at a middle position on the upper side of the crossbeam (1) and through which a hook of a crane passes, a first hook (2) arranged at one end of the crossbeam (1), a second hook (3) arranged at the other end of the crossbeam (1), a first chain (4) arranged at the upper end of the first hook (2) and the second hook (3), and a pad (5) arranged at the lower end of the first hook (2) and the second hook (3), characterized in that: A second chain (6) is arranged between the first hook (2) and the second hook (3), one end of the second chain (6) is provided with a connecting ring (61), the side of the lower end of the first hook (2) is provided with a connecting column (21) for the connecting ring (61) to pass through, the end of the second chain (6) away from the connecting ring (61) is provided with a long rod (62), the lower side of the second hook (3) is provided with a connecting sleeve (31) for the long rod (62) to pass through, a plurality of positioning holes (621) are formed in the long rod (62), and the long rod (62) is provided with a positioning pin (622) embedded in any positioning hole (621).

2. A construction sling as claimed in claim 1, characterised in that: The lower side of the cross beam (1) is provided with a fixed plate (12), both ends of the fixed plate (12) are provided with a long slot (121) extending in the horizontal direction, a plurality of positioning grooves (122) are formed in the lower side inner wall of the long slot (121) and uniformly distributed in the horizontal direction, and the upper end of the first chain (4) is provided with a hanging shaft (41) embedded in any positioning groove (122).

3. A construction sling as claimed in claim 2, characterised in that: The long slot (121) is embedded with a sliding block (7) for positioning the hanging shaft (41) in the positioning groove (122), the upper side of the sliding block (7) is provided with a sliding plate (71) in the shape of "N" and wrapped on the lower side of the cross beam (1), one end of the sliding plate (71) is provided with an internally threaded sleeve (711), and a positioning bolt (712) with an end abutting against the outer wall of the cross beam (1) is screw-connected in the internally threaded sleeve (711).

4. A construction sling as claimed in claim 1, wherein: The cushion block (5) comprises a base plate (51) connected at the lower ends of the first hook (2) and the second hook (3), and a rubber plate (52) arranged on the upper side of the base plate (51).

5. A construction sling as claimed in claim 4, characterised in that: One side of the base plate (51) is provided with a connecting arm (511), one end of the connecting arm (511) away from the base plate (51) is provided with a clamping head (512), and the lower ends of the first hook (2) and the second hook (3) are both provided with an elastic buckle (8) in the shape of a V with an opening downward.

6. A construction sling as claimed in claim 5, characterised in that: The end of the elastic buckle (8) is provided with a guide portion (81).

7. A construction sling as claimed in claim 1, wherein: The upper end of the connecting sleeve (31) and the second hook (3) are provided with a reinforcing rib (32).

8. A construction sling as defined in claim 1, wherein: Both ends of the long rod (62) are provided with threaded ends (623), and the lower ends of the first hook (2) and the second hook (3) are both provided with threaded holes (9) for the threaded ends (623) to be screw-connected.

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