Concrete drain pipe hoisting equipment

Abstract

The utility model provides concrete drain pipe hoisting equipment, which belongs to the field of drain pipe hoisting, aims to solve the problems of guiding, locking and connecting of the drain pipe hoisting equipment, and comprises a connecting bracket, the inner side of the bottom of the connecting support is connected with a hoisting beam, the top of the hoisting beam is slidably connected with a hydraulic control group cylinder, a limiting oil cylinder is fixedly installed in the end face of the top of the hoisting beam, the left telescopic tail end and the right telescopic tail end of the limiting oil cylinder are fixedly connected with L-shaped limiting pin heads, and the outer side walls of the limiting pin heads are in a sawtooth shape. Hoisting clamping arms are hinged to the left and right ends of the hoisting cross beam; according to the concrete drainage pipe hoisting equipment, through cooperation of the connecting shaft seat, the limiting sliding groove, the limiting pin head and the auxiliary spring, the hoisting clamping arm can be accurately locked at the proper position; and through the synergistic effect of the hydraulic control group cylinder, the limiting tooth groove and the limiting pin head, reliable clamping and locking of the drainage pipe can be achieved, the clamping arms are effectively prevented from loosening in the hoisting process, and safety and accuracy of the hoisting process are guaranteed in an all-around mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drainage pipe hoisting technical field especially relates to a concrete drainage pipe hoisting equipment. BACKGROUND

[0002] In the field of building construction and municipal engineering, the installation operation of concrete drainage pipes is a very common and key link, especially in the construction of urban drainage facilities, most of the current urban drainage engineering trunks adopt the construction method of burying reinforced concrete drainage pipes. The large-diameter reinforced concrete drainage pipes have a large weight, and in the installation and construction process, hoisting equipment is usually used to complete the pouring and installation operation. The existing concrete drainage pipe hoisting equipment has the problems of lack of precise guide limiting of hoisting clamping arm drive, difficulty in precise locking and easy loosening, affecting the hoisting accuracy, efficiency and safety. At the same time, the stability of the frame structure of the traditional hoisting equipment is poor, the connection with the external lifting device is inconvenient and low in efficiency, and safety hazards may be caused. SUMMARY

[0003] The utility model aims at providing a concrete drainage pipe hoisting equipment to solve the problems of lack of precise guide limiting of hoisting clamping arm drive, difficulty in precise locking and easy loosening, affecting the hoisting accuracy, efficiency and safety in the background technology.

[0004] The purpose and function of the concrete drainage pipe hoisting equipment are achieved by the following specific technical means:

[0005] A concrete drainage pipe hoisting equipment, wherein the concrete drainage pipe hoisting equipment comprises a connecting support; the bottom inner side of the connecting support is connected with a hoisting beam, the top of the hoisting beam is slidingly connected with a hydraulic control group cylinder, a limiting oil cylinder is fixedly installed in the top end face of the hoisting beam, the left and right telescopic ends of the limiting oil cylinder are fixedly connected with "L"-shaped limiting pin heads, the outer side wall of the limiting pin head is serrated, and the left and right ends of the hoisting beam are hingedly connected with hoisting clamping arms.

[0006] Further, the connecting support is in the form of a gantry, the bottom four ends of the connecting support are inserted into the front and rear side walls of the hoisting beam, and connecting holes are formed in the top of the left and right sides of the connecting support.

[0007] Further, two limiting guide plates are symmetrically installed in the middle of the top of the hoisting beam, the hydraulic control group cylinder is slidingly connected between the two limiting guide plates, the limiting oil cylinder is fixedly installed in the top end face of the hoisting beam between the two limiting guide plates, a guide sliding groove is longitudinally formed in the limiting guide plate, and the left and right end telescopic rods of the hydraulic control group cylinder are slidingly connected in the guide sliding groove.

[0008] Further, the hydraulic control group cylinder is combined by two hydraulic cylinders with opposite extension directions, and control end heads are fixedly connected to left and right extension ends of the hydraulic control group cylinder.

[0009] Further, the lifting cross beam is provided with a connecting shaft seat in the left and right side walls, an L-shaped limiting sliding groove is arranged in the lifting cross beam on one side of the connecting shaft seat, a limiting pin head is slidingly connected in the limiting sliding groove, two auxiliary holes are symmetrically arranged in the bottom of the side wall of the limiting sliding groove, and auxiliary springs are fixedly installed in the auxiliary holes.

[0010] Further, the lifting clamping arm is in an L shape, a connecting hinge shaft is fixedly connected to the middle of the opposite side walls of the two lifting clamping arms, the connecting hinge shaft is rotatably connected in the connecting shaft seat of the lifting cross beam, a sawtooth-shaped limiting tooth groove is arranged in the opposite side walls of the connecting hinge shaft and the lifting cross beam, the limiting tooth groove is matched with the limiting pin head, and the top end of the lifting clamping arm is hingedly connected with the control end head of the hydraulic control group cylinder.

[0011] The utility model provides a kind of concrete drainage pipe hoisting equipment, with following beneficial effects:

[0012] 1.Limiting guide plate and guide sliding groove are accurately guided and limited to hydraulic control group cylinder, so that the driving of lifting clamping arm is more stable and reliable;The cooperation of connecting shaft seat, limiting sliding groove, limiting pin head and auxiliary spring can accurately lock lifting clamping arm at appropriate position;And the cooperative action of hydraulic control group cylinder, limiting tooth groove and limiting pin head can reliably clamp and lock drainage pipe, effectively prevent clamping arm from loosening during hoisting, and comprehensively ensure the safety and accuracy of hoisting process.

[0013] 2.In the present concrete drainage pipe hoisting equipment, the gantry-shaped connecting support provides stable frame support for the whole, and the plug-in mode of the bottom and the lifting cross beam and the design of the top connecting hole not only ensure the stability of the structure, but also facilitate quick connection with external lifting device, so that overall lifting operation can be efficiently realized, laying a solid foundation for subsequent hoisting work. ACCURACY

[0014] Figure 1 It is a schematic diagram of shaft side structure of the utility model;

[0015] Figure 2 It is a schematic diagram of whole split structure of the utility model;

[0016] Figure 3 It is a schematic diagram of longitudinal section structure of connecting support and lifting cross beam of the utility model;

[0017] Figure 4 It is a schematic diagram of longitudinal section structure of lifting cross beam of the utility model;

[0018] Figure 5The utility model discloses a limit pin head and limit tooth groove connecting structure schematic diagram.

[0019] Figure 6 The utility model discloses hoist crossbeam horizontal section structure schematic diagram.

[0020] In the drawing, the correspondence between the component name and the drawing number is as follows:

[0021] 1, connecting support, 2, hoist crossbeam, 201, limit guide plate, 202, guide sliding slot, 203, connecting shaft seat, 204, limit sliding slot, 205, auxiliary hole, 3, hydraulic control group cylinder, 301, control end, 4, hoist clamping arm, 401, connecting hinge shaft, 402, limit tooth groove, 5, limit oil cylinder, 501, limit pin head, 6, auxiliary spring. Specific implementation

[0022] The embodiment of the utility model will be described in further detail below in combination with the drawings and examples.

[0023] Example one:

[0024] As shown in the accompanying Figure 1 to the accompanying Figure 6 As shown:

[0025] The utility model provides a kind of concrete drainpipe hoisting equipment, including: connecting support 1;The bottom inner side of connecting support 1 is connected with hoist crossbeam 2, hoist crossbeam 2 is slidably connected with hydraulic control group cylinder 3 in its top, limit oil cylinder 5 is fixedly installed in the top end surface of hoist crossbeam 2, the left and right two telescopic ends of limit oil cylinder 5 are fixedly connected with the limit pin head 501 of "L" shape, the outer side wall of limit pin head 501 is zigzag, hoist clamping arm 4 is hinged to the left and right ends of hoist crossbeam 2, connecting support 1 is in the form of gantry, and the bottom four ends of connecting support 1 are inserted into the top of the front and rear sidewalls of hoist crossbeam 2, connecting hole is formed in the top of the left and right sides of connecting support 1, specific effect, connecting support 1 provides stable frame support for the whole hoisting equipment by the structure design of gantry form, it is convenient to be connected with external hoisting device through connecting hole, so as to realize the overall hoisting operation.

[0026] Among them, two limit guide plates 201 are symmetrically installed in the middle of the top of hoist crossbeam 2, hydraulic control group cylinder 3 is slidably connected between the two limit guide plates 201, limit oil cylinder 5 is fixedly installed in the top end surface of hoist crossbeam 2 between the two limit guide plates 201, guide sliding slot 202 is longitudinally formed in limit guide plate 201, and the left and right end telescopic rods of hydraulic control group cylinder 3 are slidably connected in guide sliding slot 202, specific effect, the sliding of hydraulic control group cylinder 3 is guided and limited by limit guide plate 201 and its guide sliding slot 202, to ensure that hydraulic control group cylinder 3 smoothly slides along the predetermined direction during operation, to avoid deviation.

[0027] The left and right side walls of the hoisting cross beam 2 are provided with a connecting shaft seat 203, an L-shaped limiting sliding groove 204 is arranged in the hoisting cross beam 2 on one side of the connecting shaft seat 203, a limiting pin head 501 is slidingly connected in the limiting sliding groove 204, two auxiliary holes 205 are symmetrically arranged in the bottom of the side wall of the limiting sliding groove 204, an auxiliary spring 6 is fixedly installed in the auxiliary hole 205, and the specific effect is that the connecting shaft seat 203 provides a hinge point for the hoisting clamping arm 4, so that the hoisting clamping arm 4 can rotate around the shaft; the L-shaped limiting sliding groove 204 cooperates with the limiting pin head 501, so that after the hoisting clamping arm 4 is rotated to a suitable position, the limiting oil cylinder 5 pushes the limiting pin head 501 out of the center of the limiting sliding groove 204 to lock the hoisting clamping arm 4, and the auxiliary spring 6 plays a role of buffering and assisting the limiting pin head 501 to pop out or retract, so that the reliable limiting action is ensured.

[0028] The hydraulic control group cylinder 3 is composed of two hydraulic cylinders with opposite extension directions, the left and right extension ends of the hydraulic control group cylinder 3 are fixedly connected with control end heads 301, the hoisting clamping arms 4 are L-shaped, the connecting hinge shafts 401 are fixedly connected in the middle of the opposite side walls of the two hoisting clamping arms 4, the connecting hinge shafts 401 are rotatably connected in the connecting shaft seats 203 of the hoisting cross beams 2, the sawtooth-shaped limiting tooth grooves 402 are arranged in the opposite side walls of the connecting hinge shafts 401 and the hoisting cross beams 2, the limiting tooth grooves 402 are matched with the limiting pin heads 501, the top ends of the hoisting clamping arms 4 are hingedly connected with the control end heads 301 of the hydraulic control group cylinder 3, and the specific effect is that the extension of the hydraulic control group cylinder 3 drives the control end heads 301 to move, and then drives the hoisting clamping arms 4 to rotate around the connecting hinge shafts 401, so that the clamping and loosening operations on the concrete drainage pipes are realized; the limiting tooth grooves 402 are matched with the limiting pin heads 501, after the hoisting clamping arms 4 clamp the drainage pipes, the limiting pin heads 501 are inserted into the limiting tooth grooves 402 to lock the hoisting clamping arms 4, so that the clamping arms are prevented from loosening during hoisting, and the safety of hoisting is ensured.

[0029] The specific use mode and effect of the embodiment are as follows:

[0030] In use of the concrete drainage pipe hoisting device, first, connect the connecting hole at the top of the connecting support 1 with the external hoisting device, then start the limiting oil cylinder 5 to make the limiting pin head 501 retract into the limiting sliding groove 204, release the locking of the hoisting clamping arm 4, control the hydraulic control group cylinder 3 through the external hydraulic control system to make the extension rod slide in the guide sliding groove 202, drive the hoisting clamping arm 4 to rotate and open around the connecting shaft seat 203, adjust to the appropriate opening angle to accommodate the concrete drainage pipe, move the device to the appropriate position above the concrete drainage pipe, control the hydraulic control group cylinder 3 again to make the hoisting clamping arm 4 rotate inward to clamp the concrete drainage pipe, after clamping, start the limiting oil cylinder 5 to make the limiting pin head 501 pop out and insert into the limiting tooth groove 402 connected with the connecting hinge shaft 401 and the hoisting beam 2, lock the hoisting clamping arm 4, then hoist the concrete drainage pipe through the external hoisting device and transport it to the designated position, after reaching the designated position, first start the limiting oil cylinder 5 to make the limiting pin head 501 retract, release the locking of the hoisting clamping arm 4, then control the hydraulic control group cylinder 3 to make the hoisting clamping arm 4 open, and put down the concrete drainage pipe, complete the hoisting and unloading.

[0031] Example two:

[0032] By installing rubber buffer pads at the part of the hoisting clamping arm 4 contacting the concrete drainage pipe, the rubber buffer pads have good elasticity, which can play a buffering role when the hoisting clamping arm 4 clamps the drainage pipe, avoiding direct rigid contact between the hoisting clamping arm 4 and the drainage pipe to cause damage, at the same time, the rubber buffer pads increase the friction, making the clamping more firm, in actual application, for some concrete drainage pipe hoisting with higher surface quality requirements, this improvement can effectively protect the surface integrity of the pipe.

Claims

1. A concrete pipe hoisting apparatus characterised in that: The utility model provides a kind of lifting device, including connecting support (1);The bottom inner side of the connecting support (1) is connected with hoisting crossbeam (2), and the top of hoisting crossbeam (2) is slidably connected with hydraulic control group cylinder (3), and the top end surface of hoisting crossbeam (2) is fixedly installed with limit oil cylinder (5), and the left and right two telescopic ends of limit oil cylinder (5) are fixedly connected with the limit pin head (501) of ''L'' shape, and the outer side wall of limit pin head (501) is zigzag, and the left and right ends of hoisting crossbeam (2) are hingedly connected with hoisting clamping arm (4).

2. A concrete pipe hoisting apparatus according to claim 1, characterised in that: The connecting support (1) is in the form of a portal frame, and the bottom four ends of the connecting support (1) are inserted into the top of the front and rear side walls of the hoisting crossbeam (2), and the top of the left and right sides of the connecting support (1) is provided with connecting holes.

3. A concrete pipe hoisting apparatus according to claim 1, wherein: The top of the hoisting crossbeam (2) is symmetrically provided with two limit guide plates (201) at the middle, and the hydraulic control group cylinder (3) is slidably connected between the two limit guide plates (201), and the limit oil cylinder (5) is fixedly installed in the top end surface of the hoisting crossbeam (2) between the two limit guide plates (201), and the limit guide plates (201) are longitudinally provided with guide sliding grooves (202), and the left and right end telescopic rods of the hydraulic control group cylinder (3) are slidably connected in the guide sliding grooves (202).

4. A concrete pipe hoisting apparatus according to claim 1, wherein: The hydraulic control group cylinder (3) is composed of two hydraulic cylinders with opposite telescopic directions, and the left and right telescopic ends of the hydraulic control group cylinder (3) are fixedly connected with control end heads (301).

5. A concrete pipe hoisting apparatus according to claim 1, wherein: The left and right side walls of the hoisting crossbeam (2) are provided with connecting shaft seats (203), and the hoisting crossbeam (2) on one side of the connecting shaft seat (203) is provided with a limit sliding groove (204) in the form of ''L'', and the limit pin head (501) is slidably connected in the limit sliding groove (204), and the side wall bottom of the limit sliding groove (204) is symmetrically provided with two auxiliary holes (205), and the auxiliary holes (205) are fixedly installed with auxiliary springs (6).

6. A concrete pipe hoisting apparatus according to claim 1, wherein: The hoisting clamping arm (4) is in the form of ''L'', and the connecting hinge shafts (401) are fixedly connected at the middle of the opposite side walls of the two hoisting clamping arms (4), and the connecting hinge shafts (401) are rotatably connected in the connecting shaft seats (203) of the hoisting crossbeam (2), and the limit tooth grooves (402) are zigzag in the opposite side walls of the connecting hinge shafts (401) and the hoisting crossbeam (2), and the limit tooth grooves (402) are matched with the limit pin head (501), and the top end of the hoisting clamping arm (4) is hingedly connected with the control end head (301) of the hydraulic control group cylinder (3).

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