CN219280897U

CN219280897U - Large-span truss structure system for installation of heat supply pipe network

Info

Publication number: CN219280897U
Application number: CN202320032085.6U
Authority: CN
Inventors: 费洲华; 季晗; 孟丹; 程超; 陈洁; 方旭辉; 钱志强
Original assignee: Zhejiang Chengjian Gas Thermal Power Design Institute Co ltd
Current assignee: Zhejiang Chengjian Gas Thermal Power Design Institute Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-06-30
Anticipated expiration: 2033-01-06

Abstract

The utility model discloses a large-span truss structure system for mounting a heat supply pipe network, which comprises two supporting frames, wherein trusses for fixing the heat supply pipe network are arranged at the tops of the two supporting frames: the truss comprises an upper chord member with two hollow structures and a lower chord member with two hollow structures, wherein the upper chord member is connected with the lower chord member through a beam member, a positioning ring sleeved on the lower chord member is arranged on the support frame, and an anti-falling assembly connected with the upper chord member is movably connected on the support frame. According to the utility model, the truss structure adopts a lap joint installation mode, so that the truss and the support frame can be flexibly and conveniently assembled together, the disassembly and assembly operations of the truss and the support frame are convenient, the clamping and abutting actions of the anti-falling assembly are combined, the lap joint truss end can be subjected to a clamping and anti-falling protection action, the position stability of the truss and the support frame after assembly is ensured, the phenomenon that the truss shakes or deviates when the truss is subjected to an external force action is avoided, and the stability of the truss is improved.

Description

Large-span truss structure system for installation of heat supply pipe network

Technical Field

The utility model relates to the technical field of trusses, in particular to a large-span truss structure system for installation of a heating pipe network.

Background

The truss is a structure formed by connecting rod pieces at two ends by hinges, and is a plane or space structure which is formed by straight rods and is generally provided with a certain shape unit, and is mainly used for providing installation and laying support for connecting pieces between two buildings.

Chinese patent publication No.: CN214006678U discloses a firm large-span truss of structure, including mounting bracket and stand, the both ends of mounting bracket respectively with one the stand is connected, is used for carrying and draws the rope one end of mounting bracket is fixed in the counterweight body, the other end with mounting bracket middle section position connection, the rope is provided with the electric hoist that is used for taut.

When the existing large-span truss is fixed in installation, in order to improve the stability of the truss, bolts at two ends of the truss are fixed or welded on supporting structures at two sides of a river channel generally, so that the truss is fixed in position, and when the truss needs to be disassembled and maintained in the later period, the truss is inconvenient to disassemble and assemble conveniently and flexibly, and accordingly maintenance operation burden is increased.

Disclosure of Invention

The utility model aims to provide a large-span truss structure system for installing a heat supply pipe network, which adopts a split type assembly mode to improve the installation flexibility of a truss, simultaneously performs anti-drop reinforcement on the end part of the truss and avoids the phenomenon of shaking or shifting of the truss.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a large-span truss structure system that heating network installation was used, includes two support frames, two the top of support frame is provided with the truss that is used for fixed heating network:

the truss comprises two upper chords with hollow structures and two lower chords with hollow structures, wherein the upper chords and the lower chords are connected through beam members;

the support frame is provided with a positioning ring sleeved on the lower chord;

the support frame is movably connected with an anti-drop assembly connected with the upper chord member, and the anti-drop assembly is provided with an anti-drop position for being inserted and abutted against the lower chord member and a disassembly and assembly position for being moved out and avoided the lower chord member on the travel of the anti-drop assembly.

As a further description of the above technical solution:

the beam anti-falling assembly comprises a sliding seat arranged on the supporting frame, a sliding rod is arranged in the sliding seat, and a transmission piece contacted with the end part of the lower chord member is connected to the sliding rod in a sliding manner.

As a further description of the above technical solution:

the transmission piece comprises a screw pipe which moves along the surface of the sliding rod, and the inner wall of the screw pipe is spirally connected with a screw rod.

As a further description of the above technical solution:

the bottom of the screw rod is rotationally connected with an anti-drop head, and the anti-drop head is provided with a protruding part matched with the inner wall of the lower chord member.

As a further description of the above technical solution:

the sliding seat is spirally and penetratingly provided with an adjusting rod, and the end part of the adjusting rod is rotationally connected with a contact plate contacted with the spiral tube.

As a further description of the above technical solution:

the beam member is composed of a vertical beam and a cross beam, wherein the vertical beam is positioned between the upper chord member and the lower chord member, and the cross beam is positioned between the two upper chord members and the two lower chord members.

As a further description of the above technical solution:

the device also comprises a propping assembly;

the tight subassembly is supported includes that the spiral sets up in the tight pole of support on the crossbeam that is located the top, the bottom of supporting tight pole is provided with the bearing frame, and the bottom of bearing frame is provided with the tight board of support with heating network upper surface contact.

As a further description of the above technical solution:

and a bearing seat which is in contact with the lower surface of the heating pipe network is arranged on the cross beam positioned below.

As a further description of the above technical solution:

and the supporting seat is provided with a limiting rod penetrating through the abutting plate.

In the technical scheme, the large-span truss structure system for heat supply pipe network installation has the following beneficial effects:

this truss structure adopts the mode of overlap joint installation for truss and support frame can be nimble convenient equipment be in the same place, the dismouting operation of truss and support frame of being convenient for, and combine the centre gripping of anticreep subassembly to support tight effect, can play the guard action of joint anticreep to the truss tip after the overlap joint, ensure the position stability after truss and the support frame equipment, avoid the truss to take place to rock or the phenomenon of skew when receiving the exogenic action, effectually improved the stability of truss.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic structural diagram of a large-span truss structure system for installing a heating network according to an embodiment of the present utility model;

fig. 2 is a schematic side view of a support frame according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of an anti-disengagement assembly according to an embodiment of the present utility model;

fig. 4 is a schematic side view of a connection between a truss and a tightening assembly according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a support frame; 11. a positioning ring; 12. an anti-drop assembly; 121. a slide; 122. a slide bar; 123. a solenoid; 124. a screw; 125. an anti-head release; 126. an adjusting rod; 127. a contact plate; 2. truss; 21. an upper chord; 22. a lower chord; 23. a vertical beam; 24. a cross beam; 25. a support bracket; 26. a limit rod; 3. a tightening assembly; 31. a tightening rod; 32. a bearing seat; 33. the plate is abutted tightly.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, a large-span truss structure system for installing a heating pipe network comprises two supporting frames 1, wherein truss 2 for fixing the heating pipe network is arranged at the top of the two supporting frames 1:

the truss 2 comprises two upper chords 21 with hollow structures and two lower chords 22 with hollow structures, the upper chords 21 and the lower chords 22 are connected through beam members, each beam member is composed of a vertical beam 23 and a cross beam 24, the vertical beam 23 is located between the upper chords 21 and the lower chords 22, the cross beam 24 is located between the two upper chords 21 and the two lower chords 22, the two lower chords 22 and the two upper chords 21 can form a stable integral truss 2 structure, and a space for installation of a heat supply pipe network is formed by surrounding the two lower chords 22 and the two upper chords 21, so that the heat supply pipe network can be paved and installed in a large span after penetrating through the truss 2;

the support frame 1 is provided with the positioning rings 11 sleeved on the lower chords 22, so that the positioning rings 11 can be sleeved on the two lower chords 22, and play a role in fixedly supporting the bottom position of the truss 2 and positioning the installation height of the truss 2;

the support frame 1 is movably connected with the anti-drop component 12 connected with the upper chord member 21, the anti-drop component 12 is provided with an anti-drop position for being inserted to tightly prop against the lower chord member 22 and a disassembly position for being moved out of the lower chord member 22 on the stroke of the anti-drop component 12, the anti-drop component 12 is moved along the laying direction of a heating pipe network by moving the anti-drop component 12, the anti-drop component 12 is enabled to be contacted with the upper chord member 21, and the anti-drop component 12 can be driven to move from the disassembly position to the anti-drop position, so that the anti-drop clamping effect is achieved on the two ends of the upper chord member 21, the phenomenon that the truss 2 is blown by large wind force or is subjected to the action of medium pressure in the heating pipe network to shake or deviate is avoided, and the installation stability of the truss 2 is improved.

The beam anti-drop assembly 12 comprises a sliding seat 121 arranged on the support frame 1, a sliding rod 122 is arranged in the sliding seat 121, a transmission part in contact with the end part of the lower chord member 22 is connected to the sliding rod 122 in a sliding manner, the transmission part comprises a screw pipe 123 moving along the surface of the sliding rod 122, the inner wall of the screw pipe 123 is in spiral connection with a screw rod 124, the bottom of the screw rod 124 is rotationally connected with an anti-drop head 125, the anti-drop head 125 is provided with a bulge matched with the inner wall of the lower chord member 22, the sliding seat 121 is spirally penetrated with an adjusting rod 126, the end part of the adjusting rod 126 is rotationally connected with a contact plate 127 in contact with the screw pipe 123, after the lower chord member 22 is embedded into a fixed position in the positioning ring 11, the screw rod 124 is rotated to enable the screw rod 123 to rotate and lift, the bulge part of the anti-drop head 125 is at the same height as the upper chord member 21, and then the adjusting rod 126 is rotated to enable the contact plate 127 to move, so that the screw rod 125 is pushed to slide on the sliding rod 122, the end part of the anti-drop head can approach and contact with the end part of the upper chord member 21 until the bulge head 125 is embedded into the inner wall 21, the end part of the inner wall of the air-drop head 21 or the end part of the air-drop head 21 is prevented from being greatly shaking, and the end part of the air-drop assembly can be prevented from being clamped by the truss 2 or the heat supply medium, and the stability can be prevented from being greatly expanded, and the end part is protected from being subjected to the vibration and the end part.

Still including supporting tight subassembly 3, it includes the spiral setting on the crossbeam 24 that is located the top supports tight pole 31 to support tight pole 31's bottom and is provided with bearing frame 32, and the bottom of bearing frame 32 is provided with the tight board 33 that supports of supporting with heating network upper surface contact, it is V type structure to support tight board 33, its opening is downward, be provided with the bearing seat 25 that contacts with heating network lower surface on the crossbeam 24 that is located the below, bearing seat 25 is also V type structure, its opening is upwards, be provided with the gag lever post 26 that runs through tight board 33 on the bearing seat 25, when the heating network is installed in truss 2 inside, the lower surface of heating network can be with the inner wall contact of bearing seat 25, can play the support and lift the effect to the lower surface of heating network, afterwards, rotate tight pole 31 and make it drive tight board 33 down at the effect of bearing frame 32, and make the inner wall that supports tight board 33 contact and support tight with the upper surface of heating network, can play further reinforcement effect to the mounting position of heating network, ensure the stability of mounting position of heating network.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a large-span truss structure system that heating network installation was used, includes two support frames (1), two the top of support frame (1) is provided with truss (2) that are used for fixed heating network, its characterized in that:

the truss (2) comprises two upper chords (21) with hollow structures and two lower chords (22) with hollow structures, and the upper chords (21) and the lower chords (22) are connected through beam members;

a positioning ring (11) sleeved on the lower chord member (22) is arranged on the support frame (1);

the support frame (1) is movably connected with an anti-drop assembly (12) connected with the upper chord member (21), and the anti-drop assembly (12) is provided with an anti-drop position for being inserted and abutted against the lower chord member (22) and a disassembly and assembly position for being moved out and avoided from the lower chord member (22) on the stroke.

2. A large span truss structure system for installation of a heating network as defined in claim 1, wherein: the beam anti-falling assembly (12) comprises a sliding seat (121) arranged on the supporting frame (1), a sliding rod (122) is arranged in the sliding seat (121), and a transmission part contacted with the end part of the lower chord member (22) is connected to the sliding rod (122) in a sliding manner.

3. A large span truss structure system for installation of a heating network as defined in claim 2, wherein: the transmission part comprises a screw pipe (123) which moves along the surface of the sliding rod (122), and the inner wall of the screw pipe (123) is spirally connected with a screw rod (124).

4. A large span truss structure system for installation of a heating network according to claim 3, wherein: the bottom of screw rod (124) rotates and is connected with anticreep head (125), and be provided with the bellying with bottom chord member (22) inner wall looks adaptation on anticreep head (125).

5. A large span truss structure system for installation of a heating network as defined in claim 2, wherein: an adjusting rod (126) is spirally arranged on the sliding seat (121) in a penetrating mode, and a contact plate (127) in contact with the spiral tube (123) is rotatably connected to the end portion of the adjusting rod (126).

6. A large span truss structure system for installation of a heating network as defined in claim 1, wherein: the beam member is composed of a vertical beam (23) and a transverse beam (24), wherein the vertical beam (23) is positioned between the upper chords (21) and the lower chords (22), and the transverse beam (24) is positioned between the two upper chords (21) and the two lower chords (22).

7. A large span truss structure system for installation of a heating network as defined in claim 6 wherein: the device also comprises a propping assembly (3);

the tight subassembly (3) supports including spiral setting in support tight pole (31) on crossbeam (24) that are located the top, the bottom of support tight pole (31) is provided with bearing frame (32), and the bottom of bearing frame (32) is provided with tight board (33) of support with heating network upper surface contact.

8. A large span truss structure system for installation of a heating network as defined in claim 6 wherein: the beam (24) positioned below is provided with a bearing seat (25) which is contacted with the lower surface of the heating pipe network.

9. A large span truss structure system for installation of a heating network as defined in claim 8, wherein: and a limiting rod (26) penetrating through the abutting plate (33) is arranged on the bearing seat (25).