Duct piece demolding lifting appliance

By using a damper and a connecting spring structure in the pipe sheet release spreader, the inertia during the pipe sheet release is solved, and the stability and safety of the device are improved.

CN222433911UActive Publication Date: 2025-02-07CHINA RAILWAY 14TH BUREAU GRP YELLOW RIVER CONSTR TECH CO LTD
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Patent Information

Application Number
CN202421312989.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-02-07
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The existing pipe sheet demolding device can easily cause the pipe sheet to shake during the mold release process, affecting the fixing safety.

Method used

A pipe sheet mold release spreader is designed, using a damper and a connecting spring structure to buffer the inertia during the pipe sheet release to ensure that the spreader fixes the pipe sheet and avoids shaking.

Benefits of technology

Through the damper and connecting spring structure, the stability and safety of the pipe sheet is improved during mold release, avoiding the pipe sheet shaking, and enhancing the flexibility of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pipe piece demolding lifting appliance, and relates to the technical field of subway pipe pieces. The lifting appliance comprises a lifting plate, two connecting plates and a first mounting plate, a plurality of lifting lugs are welded on the upper surface of the lifting plate, steel cables are connected in the lifting lugs, the two connecting plates are welded on the lower surface of the lifting plate and are oppositely arranged, and the first mounting plate is welded on the lower surfaces of the two connecting plates and is fixedly connected with the lifting lugs. Mounting grooves are formed in one ends of the two connecting plates, two dampers are embedded in each mounting groove, and a connecting spring is welded between one surface of the interior of each mounting groove and the upper surface of the first mounting plate. By means of the damper and the connecting spring structure, when the duct piece is demoulded, inertia generated during demoulding due to the fact that the weight of the duct piece is too large is buffered conveniently, it is guaranteed that the duct piece is fixed by the lifting appliance, the duct piece is prevented from shaking, and the stability and safety of the device during use are improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of subway pipe segments, in particular to a pipe segment demoulding hanger. Background Art

[0002] The shield segment is the main assembly component of the shield construction and the innermost barrier of the tunnel. It is generally used in subway tunnel construction and bears the role of resisting soil pressure, groundwater pressure and some special loads. The shield segment is the permanent lining structure of the shield tunnel. The quality of the shield segment is directly related to the overall quality and safety of the tunnel, and affects the waterproof performance and durability of the tunnel. The production of shield segments usually uses high-strength impermeable concrete to ensure reliable bearing and waterproof performance. The production mainly uses the finished segment mold and can be formed after sealing and pouring concrete.

[0003] In the prior art, the structure of the segment demoulding device is generally simple. Since the weight of the segment is generally large, when the segment is demoulded, the inertia of the segment leaving the mold is large, which can easily cause the segment to shake, affecting the fixation of the hanger, resulting in poor safety. Utility Model Content

[0004] The utility model aims to provide a pipe segment demoulding hanger to solve the problem of the existing easy shaking.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a pipe segment demoulding hanger, comprising a hanging plate, a connecting plate and a first mounting plate, a plurality of lifting ears welded on the upper surface of the hanging plate, a steel cable is connected inside the lifting ears, there are two connecting plates, two connecting plates are welded on the lower surface of the hanging plate, the two connecting plates are arranged opposite to each other, the first mounting plate is welded on the lower surfaces of the two connecting plates, one end of the two connecting plates are provided with a mounting groove, two dampers are embedded in the two mounting grooves, a connecting spring is welded between one surface inside the two mounting grooves and the upper surface of the first mounting plate, so as to buffer the inertia generated during demoulding due to the excessive weight of the pipe segment when demoulding the pipe segment, ensure the fixation of the hanger to the pipe segment, avoid the shaking of the pipe segment, and improve the stability and safety of the device when in use.

[0007] Furthermore, one end of the damper is connected to the upper surface of the first mounting plate, the two connecting springs are respectively wound around the two side surfaces of the damper, and a plurality of first slide grooves are provided on the two opposite surfaces of the first mounting plate, and extension rods are embedded inside the first slide grooves.

[0008] Furthermore, the peripheral side surface of the extension rod is slidably matched with the inside of the first slide groove, one end of the extension rod extends to the outside of the first slide groove, one end of the extension rod is welded with a side plate, and one end of the two side plates is welded with a fixing plate.

[0009] Furthermore, a second mounting plate is welded to one surface of the two side plates, a second hydraulic rod is welded to the lower surface of the two second mounting plates, the two second hydraulic rods are arranged opposite to each other, and a movable clamp is welded to the lower surface of the two second hydraulic rods.

[0010] Furthermore, the two movable clamping plates and the two fixed plates cooperate with the pipe segments to facilitate clamping and fixing the pipe segments, facilitate later demolding of the pipe segments, and improve the flexibility of the device when used. A second slide groove is also provided on one surface of the two side plates, and the two second slide grooves are arranged between the fixed plate and the second mounting plate.

[0011] Furthermore, guide rods are embedded in the two second slide grooves, and sliding blocks are embedded in the peripheral sides of the two guide rods. The two opposite surfaces of the two sliding blocks are slidably matched with the insides of the two second slide grooves respectively.

[0012] Furthermore, the two sliders are slidably matched with the peripheral side surfaces of the two guide rods, and one end of the two sliders is respectively connected to a surface of the two movable clamping plates.

[0013] Furthermore, a support plate is welded to the lower surface of the first mounting plate, and two first hydraulic rods are welded to two opposite surfaces of the support plate. The two first hydraulic rods are arranged opposite to each other, and one end of the two first hydraulic rods is respectively welded to one surface of the two side plates.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model uses a damper and a connecting spring structure to facilitate demoulding of the pipe segment, buffer the inertia caused by the excessive weight of the pipe segment during demoulding, ensure the fixation of the pipe segment by the hanger, avoid the shaking of the pipe segment, and improve the stability and safety of the device during use.

[0016] 2. The utility model uses the first hydraulic rod and the second hydraulic rod structure to facilitate adjustment of the distance between the two side plates and the two movable clamping plates, thereby facilitating clamping and fixing the pipe segments, facilitating later demoulding of the pipe segments, and improving the flexibility of the device when used.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a structural schematic diagram of a pipe segment demoulding hanger of the utility model;

[0020] Figure 2 This is a front structural schematic diagram of a pipe segment demoulding hanger of the utility model;

[0021] Figure 3 It is a right side structural schematic diagram of a pipe segment demoulding hanger of the utility model;

[0022] Figure 4 The utility model is a schematic diagram of the top view of the structure of a pipe segment demoulding hanger.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Hanging plate; 2. Lifting ear; 3. Connecting plate; 4. Mounting groove; 5. Damper; 6. Connecting spring; 7. First mounting plate; 8. First slide groove; 9. Extension rod; 10. Support plate; 11. First hydraulic rod; 12. Side plate; 13. Fixed plate; 14. Second mounting plate; 15. Second hydraulic rod; 16. Moving clamp; 17. Second slide groove; 18. Guide rod; 19. Slider. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limitations on the present invention.

[0027] See also Figure 1-Figure 4As shown, the utility model is a pipe segment demoulding hanger, comprising a hanging plate 1, a connecting plate 3 and a first mounting plate 7. A plurality of lifting ears 2 are welded on the upper surface of the hanging plate 1, and a steel cable is connected inside the lifting ears 2. There are two connecting plates 3, and two connecting plates 3 are welded on the lower surface of the hanging plate 1. The two connecting plates 3 are arranged opposite to each other. The first mounting plate 7 is welded on the lower surfaces of the two connecting plates 3. One end of the two connecting plates 3 is provided with a mounting groove 4, and two dampers 5 are embedded in the two mounting grooves 4. A connecting spring 6 is welded between one surface inside the two mounting grooves 4 and the upper surface of the first mounting plate 7, so as to buffer the inertia generated during demoulding due to the excessive weight of the pipe segment when demoulding the pipe segment, ensure the fixation of the hanger to the pipe segment, avoid the shaking of the pipe segment, and improve the stability and safety of the device when in use.

[0028] One end of the damper 5 is connected to the upper surface of the first mounting plate 7, and two connecting springs 6 are respectively wound around the sides of the two dampers 5. A plurality of first slide grooves 8 are provided on the two opposite surfaces of the first mounting plate 7, and extension rods 9 are embedded inside the first slide grooves 8.

[0029] The side surface of the extension rod 9 is slidably matched with the inside of the first slide groove 8. One end of the extension rod 9 extends to the outside of the first slide groove 8. A side plate 12 is welded to one end of the extension rod 9. One end of each of the two side plates 12 is welded to a fixing plate 13.

[0030] A second mounting plate 14 is welded to one surface of the two side plates 12 , a second hydraulic rod 15 is welded to the lower surface of the two second mounting plates 14 , the two second hydraulic rods 15 are arranged opposite to each other, and a movable clamping plate 16 is welded to the lower surface of the two second hydraulic rods 15 .

[0031] The two movable clamping plates 16 and the two fixed plates 13 cooperate with each other as well as the pipe segments to facilitate clamping and fixing of the pipe segments, facilitate later demolding of the pipe segments, and improve the flexibility of the device when in use. A second slide groove 17 is also provided on one surface of the two side plates 12, and the two second slide grooves 17 are provided between the fixed plate 13 and the second mounting plate 14.

[0032] The two second slide grooves 17 are each embedded with a guide rod 18, and the sides of the two guide rods 18 are each embedded with a slider 19, and the two opposing surfaces of the two sliders 19 are respectively slidably matched with the inside of the two second slide grooves 17, and the two sliders 19 are slidably matched with the sides of the two guide rods 18, and one end of the two sliders 19 is respectively connected to a surface of the two movable clamps 16.

[0033] A support plate 10 is welded to the lower surface of the first mounting plate 7 , and two first hydraulic rods 11 are welded to two opposite surfaces of the support plate 10 . The two first hydraulic rods 11 are arranged opposite to each other, and one end of the two first hydraulic rods 11 is welded to one surface of two side plates 12 respectively.

[0034] See also Figure 1-Figure 4 As shown, the utility model is a pipe segment demoulding hanger, and its use method is as follows: through the structure of the damper 5 and the connecting spring 6, it is convenient to buffer the inertia caused by the excessive weight of the pipe segment during demoulding, ensure the fixation of the hanger to the pipe segment, avoid the shaking of the pipe segment, and improve the stability and safety of the device during use; through the structure of the first hydraulic rod 11 and the second hydraulic rod 15, it is convenient to adjust the distance between the two side plates 12 and the two movable clamping plates 16, so as to facilitate the clamping and fixing of the pipe segment, facilitate the later demoulding of the pipe segment, and improve the flexibility of the device during use.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A segment demoulding hanger, comprising a hanger plate (1), a connecting plate (3) and a first mounting plate (7), characterized in that: A plurality of lifting ears (2) are welded on the upper surface of the hanging plate (1), and a steel cable is connected inside the lifting ears (2). There are two connecting plates (3), and the two connecting plates (3) are welded on the lower surface of the hanging plate (1). The two connecting plates (3) are arranged opposite to each other. The first mounting plate (7) is welded on the lower surfaces of the two connecting plates (3). One end of the two connecting plates (3) is provided with a mounting groove (4), and two dampers (5) are installed inside the two mounting grooves (4). A connecting spring (6) is welded between one surface inside the two mounting grooves (4) and the upper surface of the first mounting plate (7).

2. A segment demoulding hanger according to claim 1, characterized in that: One end of the damper (5) is connected to the upper surface of the first mounting plate (7), and the two connecting springs (6) are respectively wound around the side surfaces of the two dampers (5). The two opposite surfaces of the first mounting plate (7) are provided with a plurality of first sliding grooves (8), and the first sliding grooves (8) are each embedded with an extension rod (9).

3. A segment demoulding hanger according to claim 2, characterized in that: The side surface of the extension rod (9) is slidably matched with the inside of the first slide groove (8), one end of the extension rod (9) extends to the outside of the first slide groove (8), one end of the extension rod (9) is welded with a side plate (12), and one end of the two side plates (12) is welded with a fixing plate (13).

4. A segment demoulding hanger according to claim 3, characterized in that: A second mounting plate (14) is welded to one surface of the two side plates (12), a second hydraulic rod (15) is welded to the lower surface of the two second mounting plates (14), the two second hydraulic rods (15) are arranged opposite to each other, and a movable clamping plate (16) is welded to the lower surface of the two second hydraulic rods (15).

5. A segment demoulding hanger according to claim 4, characterized in that: The two movable clamping plates (16) and the two fixed plates (13) cooperate with each other as well as the pipe segments. A second slide groove (17) is also provided on one surface of the two side plates (12). The two second slide grooves (17) are provided between the fixed plate (13) and the second mounting plate (14).

6. A segment demoulding hanger according to claim 5, characterized in that: The two second slide grooves (17) are both embedded with guide rods (18), and the peripheral sides of the two guide rods (18) are both embedded with sliders (19), and the two opposing surfaces of the two sliders (19) are respectively slidably matched with the insides of the two second slide grooves (17).

7. The segment demoulding hanger according to claim 6, characterized in that: The two sliders (19) are slidably matched with the peripheral side surfaces of the two guide rods (18), and one end of the two sliders (19) is respectively connected to a surface of the two movable clamping plates (16).

8. The segment demoulding hanger according to claim 1, characterized in that: A support plate (10) is welded to the lower surface of the first mounting plate (7), and two first hydraulic rods (11) are welded to two opposite surfaces of the support plate (10). The two first hydraulic rods (11) are arranged opposite to each other, and one end of the two first hydraulic rods (11) is respectively welded to a surface of two side plates (12).