Lifting device for cement culvert pipe production

By using a motor-driven screw system and inner and outer clamps in the hoisting mechanisms at both ends of the cement pipe, the problem of cement pipe tilting caused by uneven installation of hoisting ropes was solved, thus achieving stability during the hoisting process and protection of the pipe body.

CN223632945UActive Publication Date: 2025-12-05ANQING HAIJU ENVIRONMENTAL PROTECTION EQUIPMENT CO LTD
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Patent Information

Application Number
CN202520028504.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-12-05
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

The hoisting ropes are easily misaligned when installed at both ends of the cement pipe, causing the cement pipe to tilt during hoisting and resulting in damage or breakage.

Method used

The hoisting mechanism includes a hoisting box, inner and outer clamps, and a motor-driven screw system. The inner and outer clamps clamp the cement pipe from the inside and outside of the pipe respectively, ensuring the alignment of the hoisting ropes. The length of the clamps is adjusted by an electric telescopic rod to ensure even force distribution.

Benefits of technology

The installation of lifting ropes was made convenient, avoiding damage caused by the tilting of cement pipes and ensuring the stability and integrity of the pipe body during the lifting process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hoisting device for cement culvert pipe production, which comprises a hoisting mechanism arranged at two ends of a pipe body, the hoisting mechanism comprises a hoisting box, a first inner cavity and a second inner cavity are arranged in the hoisting box through a partition plate, one end of the hoisting box is provided with a first chute communicated with the first inner cavity, and the other end of the hoisting box is provided with a second chute communicated with the second inner cavity. And a first double-shaft motor is fixedly mounted in the middle of the first inner cavity. The inner clamping plate is inserted into the pipe body, the outer clamping plate is sleeved outside the pipe body, the first screw rod is driven to rotate through the first double-shaft motor, the two sets of first sliding rods are driven to drive the inner clamping plate to move towards the inner wall of the pipe, the pipe body is tightly supported from the inside, and the second screw rod is driven to rotate through the second double-shaft motor. A second sliding rod is driven to drive an outer clamping plate to move towards the outer wall of the pipe, the pipe body is clamped from the outside, then hanging rings at the two ends of a hoisting rope are connected with fixing rings at the two ends of the pipe body, a hanging ring in the middle of the hoisting rope is connected with a lifting hook of a crane, and the situation that the cement pipe inclines and is damaged due to uneven installation of the hoisting rope is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of cement pipe hoisting technology, and in particular to a hoisting device for cement culvert production. Background Technology

[0002] Cement pipes are prefabricated pipes made of cement and steel reinforcement, utilizing the principle of centrifugal force. Also known as cement pressure pipes or reinforced concrete pipes, they are used in urban construction as drainage pipes, for sewage discharge, flood control and drainage, as well as water supply pipes in some special factories and mines, and for agricultural wells. They are generally classified as: plain-end reinforced concrete cement pipes, flexible tongue-and-groove reinforced concrete cement pipes, socket-and-spiked reinforced concrete cement pipes, F-type steel socket cement pipes, plain-end collar-joint cement pipes, and tongue-and-groove cement pipes, etc. During use, cranes and hoisting equipment are generally required for transportation.

[0003] Currently, when hoisting cement pipes, the hoisting ropes are usually installed manually at both ends of the cement pipe. During installation, the cement pipe will roll, and the installation position of the hoisting rope is prone to misalignment, which can easily lead to tilting of the cement pipe during hoisting, causing damage or destruction to the cement pipe. Utility Model Content

[0004] The purpose of this utility model is to provide a hoisting device for cement culvert production in order to solve the technical problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A hoisting device for cement culvert production includes hoisting mechanisms arranged at both ends of the pipe body. The hoisting mechanism includes a hoisting box, and the hoisting box is provided with a first inner cavity and a second inner cavity through a partition. One end of the hoisting box is provided with a first sliding groove communicating with the first inner cavity. A first dual-shaft motor is fixedly installed in the middle of the first inner cavity. The output shafts at both ends of the first dual-shaft motor are fixedly connected to first screws with different thread directions. A first sliding rod passing through the first sliding groove is sleeved on the first screw. The free end of the first sliding rod is connected to an inner clamping plate.

[0007] As a further description of the above technical solution:

[0008] The hoisting mechanism also includes an outer clamping plate. One end of the hoisting box is provided with a second sliding groove that communicates with the second inner cavity. A second dual-axis motor is fixedly installed in the middle of the second inner cavity. The output shafts at both ends of the second dual-axis motor are fixedly connected to second screws with different thread directions. A second sliding rod passing through the second sliding groove is sleeved on the second screw. The free end of the second sliding rod is connected to the outer clamping plate.

[0009] As a further description of the above technical solution:

[0010] The hoisting mechanism further comprises a first electric telescopic rod, which is fixedly installed at one end of the first sliding rod, and a free end of the first electric telescopic rod is fixedly connected with the inner clamping plate.

[0011] As a further description of the above technical solution:

[0012] The hoisting mechanism further comprises a second electric telescopic rod, which is fixedly installed at one end of the second sliding rod, and a free end of the second electric telescopic rod is fixedly connected with the outer clamping plate.

[0013] As a further description of the above technical solution:

[0014] The first sliding groove and the second sliding groove are arranged in a cross shape on the hoisting box.

[0015] As a further description of the above technical solution:

[0016] A lantern ring is rotatably arranged on the hoisting box, a fixing ring is fixedly connected to the lantern ring, and an adapted hoisting rope is connected between the lantern rings at the two ends of the pipe body.

[0017] As described above, due to the adoption of the above technical solution, the present application has the following beneficial effects:

[0018] 1、In the present application, two groups of hoisting mechanisms are moved to the two ends of the pipe body, and the inner clamping plates are inserted into the pipe body, and the outer clamping plates are sleeved on the pipe body. Then, the first double-shaft motor is driven to rotate the first screw rod, the two first sliding rods are driven to move the inner clamping plates towards the pipe wall, the pipe body is tightly supported from the inside, the second double-shaft motor is driven to rotate the second screw rod, the second sliding rod is driven to move the outer clamping plates towards the pipe wall, the pipe body is tightly clamped from the outside, then the hanging rings at the two ends of the hoisting rope are connected with the fixing rings at the two ends of the pipe body, and the hanging ring in the middle of the hoisting rope is connected with the hook of the crane. In this way, the hoisting rope can be more conveniently installed, and damage to the cement pipe caused by the inclination of the cement pipe due to uneven installation of the hoisting rope can be avoided.

[0019] 2、In the present application, according to the length of the pipe body, the electric telescopic rod is driven to adjust the length of the clamping plate inserted into the pipe body, so that the pipe body is more evenly stressed, and the pipe port is prevented from being damaged. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 A structure schematic view of a hoisting device for cement culvert pipe production is shown according to an embodiment of the present application;

[0021] Fig. 2 A structure schematic view of a hoisting mechanism is shown according to an embodiment of the present application;

[0022] Fig. 3A cross-sectional view of the hoisting box is shown.

[0023] Legend:

[0024] 1, hoisting mechanism; 11, hoisting box; 1101, first sliding groove; 1102, second sliding groove; 1103, first inner cavity; 1104, second inner cavity; 12, collar; 121, fixed ring; 131, inner clamping plate; 132, outer clamping plate; 141, first electric telescopic rod; 142, second electric telescopic rod; 151, first screw; 152, second screw; 161, first double-shaft motor; 162, second double-shaft motor; 2, hoisting rope; 3, pipe body. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figs. 1-3The utility model provides a technical scheme: a hoisting device for cement culvert production, including the hoisting mechanism 1 who arranges in the both ends of pipe body 3, the hoisting mechanism 1 includes the hoisting box 11, the hoisting box 11 is rotationally sleeved with the eye ring 12, the eye ring 12 is fixedly connected with the fixed ring 121, the both ends of pipe body 3 are connected with the hoisting rope 2 of the length adaptation of pipe body 3 between the eye ring 12, the hoisting box 11 is provided with first inner chamber 1103 and second inner chamber 1104 through the baffle, the hoisting box 11 one end is provided with the first sliding slot 1101 of the intercommunication of first inner chamber 1103 and the second sliding slot 1102 of the intercommunication of second inner chamber 1104, first sliding slot 1101 and second sliding slot 1102 are set up on the hoisting box 11 and present " ten " cross, first inner chamber 1103 middle part is fixedly installed with first double shaft motor 161, the output shaft of first double shaft motor 161 both ends is fixedly connected with the first screw rod 151 of different thread rotation direction, the first screw rod 151 is sleeved with the first sliding rod of passing through first sliding slot 1101, and the free end of first sliding rod is connected with inner clamping plate 131, second inner chamber 1104 middle part is fixedly installed with second double shaft motor 162, the output shaft of second double shaft motor 162 both ends is fixedly connected with the second screw rod 152 of different thread rotation direction, and the second screw rod 152 is sleeved with the second sliding rod of passing through second sliding slot 1102, and the free end of second sliding rod is connected with outer clamping plate 132. Two groups of hoisting mechanism 1 are moved to the both ends of pipe body 3, and make inner clamping plate 131 insert into pipe body 3, and outer clamping plate 132 is sleeved in pipe body 3, then, through first double shaft motor 161 drive first screw rod 151 rotation, drive two groups of first sliding rod drive inner clamping plate 131 to the pipe inner wall direction movement, from inside the pipe body 3 is braced, through second double shaft motor 162 drive second screw rod 152 rotation, drive second sliding rod drive outer clamping plate 132 to the pipe outer wall direction movement, from outside the pipe body 3 is clamped, then, the hanging ring of hoisting rope 2 both ends is connected with the fixed ring 121 of pipe body 3 both ends, and the hanging ring of hoisting rope 2 middle part is connected with the lifting hook of crane, so it can be more convenient to install hoisting rope, and can avoid the damage of cement pipe inclination caused by hoisting rope installation not in line.

[0027] Specifically, as shown in Fig. 2 The hoisting mechanism 1 further includes a first electric telescopic rod 141 and a second electric telescopic rod 142. The first electric telescopic rod 141 is fixedly installed at one end of the first sliding rod, and the free end of the first electric telescopic rod 141 is fixedly connected with the inner clamping plate 131. The second electric telescopic rod 142 is fixedly installed at one end of the second sliding rod, and the free end of the second electric telescopic rod 142 is fixedly connected with the outer clamping plate 132. According to the length of the pipe body 3, the electric telescopic rod is driven to adjust the length of the clamping plate inserted into the pipe body, so that the pipe body is more evenly stressed, and the port of the pipe body 3 is prevented from being damaged.

[0028] Working principle: in use, first, two groups of hoisting mechanism 1 are moved to the both ends of the pipe body 3, and the inner clamping plate 131 is inserted into the pipe body 3, and the outer clamping plate 132 is sleeved on the pipe body 3, then, according to the length of the pipe body 3, the electric telescopic rod is driven to adjust the length of the clamping plate inserted into the pipe body, so that the pipe body is more uniform, and the port of the pipe body 3 is avoided from being damaged;

[0029] Secondly, the first screw rod 151 is driven to rotate by the first double-shaft motor 161, the two groups of first slide rods drive the inner clamping plate 131 to move to the pipe inner wall direction, the pipe body 3 is supported from the inside, the second screw rod 152 is driven to rotate by the second double-shaft motor 162, the second slide rod drives the outer clamping plate 132 to move to the pipe outer wall direction, the pipe body 3 is clamped from the outside, then, the lifting rope 2 middle hanging ring is connected with the lifting hook of the crane, so that the lifting rope can be installed more conveniently, and the damage of the cement pipe caused by the inclination of the lifting rope installation is avoided.

[0030] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A hoisting device for the production of a cement pipe, comprising a hoisting mechanism (1) arranged at both ends of a pipe body (3), characterized in that, The lifting mechanism (1) comprises a lifting box (11), a first inner cavity (1103) and a second inner cavity (1104) are formed in the lifting box (11) by a partition plate, a first sliding groove (1101) in communication with the first inner cavity (1103) is formed in one end of the lifting box (11), a first double-shaft motor (161) is fixedly installed in the middle of the first inner cavity (1103), output shafts at both ends of the first double-shaft motor (161) are fixedly connected with first screw rods (151) having different thread rotation directions, the first screw rods (151) are sleeved with first sliding rods (151) penetrating through the first sliding groove (1101), and the free ends of the first sliding rods (151) are connected with inner clamping plates (131).

2. The hoisting device for producing a cement culvert pipe according to claim 1, characterized in that, The lifting mechanism (1) further comprises outer clamping plates (132), a second sliding groove (1102) in communication with the second inner cavity (1104) is formed in one end of the lifting box (11), a second double-shaft motor (162) is fixedly installed in the middle of the second inner cavity (1104), output shafts at both ends of the second double-shaft motor (162) are fixedly connected with second screw rods (152) having different thread rotation directions, the second screw rods (152) are sleeved with second sliding rods (152) penetrating through the second sliding groove (1102), and the free ends of the second sliding rods (152) are connected with the outer clamping plates (132).

3. The hoisting device for producing a cement culvert pipe according to claim 2, characterized in that, The lifting mechanism (1) further comprises a first electric telescopic rod (141), the first electric telescopic rod (141) is fixedly installed at one end of the first sliding rod (151), and the free end of the first electric telescopic rod (141) is fixedly connected with the inner clamping plate (131).

4. The hoisting device for producing a cement culvert pipe according to claim 3, characterized in that, The lifting mechanism (1) further comprises a second electric telescopic rod (142), the second electric telescopic rod (142) is fixedly installed at one end of the second sliding rod (152), and the free end of the second electric telescopic rod (142) is fixedly connected with the outer clamping plate (132).

5. The hoisting device for producing a cement culvert pipe according to claim 4, characterized in that, The first sliding groove (1101) and the second sliding groove (1102) are arranged in a "cross" shape on the lifting box (11).

6. The hoisting device for producing a cement culvert pipe according to claim 5, characterized in that, A sleeve ring (12) is rotatably sleeved on the lifting box (11), a fixing ring (121) is fixedly connected to the sleeve ring (12), and the sleeve rings (12) at both ends of the pipe body (3) are connected with an adaptive lifting rope (2).