Cable bridge with telescopic function

Abstract

The utility model relates to the technical field of cable bridges, in particular to a cable bridge with a telescopic function, which comprises a bridge body, the bridge body comprises a bridge bottom plate, the inner side end face of one end of the bridge bottom plate is provided with a bottom built-in groove, and the outer side end face of the other end of the bridge bottom plate is provided with a bottom external groove. Bridge side plates are symmetrically arranged on the two sides of the bridge bottom plate, a side face built-in groove communicated with the bottom built-in groove is formed in the inner side end face of one end of each bridge side plate, and a side face external groove communicated with the bottom external groove is formed in the outer side end face of the other end of each bridge side plate; a built-in expansion joint is slidably arranged at the other end of the bridge body. According to the utility model, through the arrangement of the external expansion joint and the internal expansion joint, the length of the bridge body can be adjusted so as to adapt to different installation requirements, and the applicability is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of cable tray technology, and specifically to a cable tray with telescopic function. Background Technology

[0002] Cable trays, through their structural features, attach, support, and fix cables to buildings, primarily serving to support the cables. They act as a skeleton for the cables, allowing them to be laid. The cable trays effectively support and protect the cables, isolating them from the outside environment and effectively protecting them by wrapping, supporting, and suspending them.

[0003] When existing trough-type cable trays are installed and used, the length of the cable tray cannot be extended or adjusted, which limits the connection dimensions of the cable tray and affects its installation, adjustment and use. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by providing a cable tray with a telescopic function. This solves the problem that existing trough-type cable trays cannot be telescopically adjusted during installation and use, which limits the connection dimensions of the cable tray and affects its installation, adjustment, and use.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A cable tray with telescopic function includes a cable tray body, the cable tray body including a cable tray base plate, a bottom built-in groove is formed on the inner end face of one end of the cable tray base plate, a bottom external groove is formed on the outer end face of the other end of the cable tray base plate, cable tray side plates are symmetrically arranged on both sides of the cable tray base plate, a side built-in groove connected to the bottom built-in groove is formed on the inner end face of one end of the cable tray side plate, a side external groove connected to the bottom external groove is formed on the outer end face of the other end of the cable tray side plate, an external expansion joint is slidably provided at one end of the cable tray body, and an internal expansion joint is slidably provided at the other end of the cable tray body;

[0007] The external expansion joint includes an external base plate set in the bottom external groove, external side plates located in the side external grooves are symmetrically arranged on both sides of the external base plate, and a guide plate with one end connected to the cable tray side plate is slidably arranged on the outer side of the external side plate. A first fastening hole for fastening bolts to be inserted is opened through the guide plate.

[0008] The built-in telescopic joint includes a built-in base plate disposed in a bottom built-in groove, and built-in side plates disposed symmetrically on both sides of the built-in base plate in the side built-in grooves. A connecting plate is disposed on the outer side of the built-in side plate, and a sliding plate parallel to the built-in side plate is disposed on the connecting plate. A displacement block is disposed on the outer side of the sliding plate, and a locking groove is formed on the bottom end face of the displacement block.

[0009] As a preferred technical solution of this utility model, a bearing groove is provided on the bottom plate of the cable tray in the bottom external groove, and a bearing plate with one end connected to the external bottom plate is slidably disposed in the bearing groove.

[0010] By utilizing the above technical solution and the installation of the bearing plate, the connection strength and load-bearing capacity between the external expansion joint and the bottom of the cable tray body are improved.

[0011] As a preferred technical solution of this utility model, a guide block is provided on the inner end face of the guide plate, and a guide groove for displacement of the guide block is provided on the outer end face of the outer side plate.

[0012] By using the above technical solution, the connection strength between the external expansion joint and the side of the cable tray body is improved by setting the guide groove and guide block, and the displacement of the external expansion joint can be limited.

[0013] As a preferred technical solution of this utility model, one end of the external side plate is provided with a second fastening hole for the external expansion joint to be housed on the cable tray body and connected to the first fastening hole, and a third fastening hole is provided on the external side plate on one side of the second fastening hole for the external expansion joint to slide out to the outside of the cable tray body and connected to the first fastening hole.

[0014] Through the above technical solution, by using the first and second fastening holes, the external expansion joint can be stored on the cable tray body and fixed in a limited manner. By using the first and third fastening holes, the external expansion joint can be slid out of the cable tray body and fixed in a limited manner.

[0015] As a preferred technical solution of this utility model, a displacement groove for displacement block displacement is provided on the outer end face of the cable tray side plate, a connecting groove for fitting with the connecting plate is provided on the cable tray side plate, and a sliding groove for sliding plate insertion is provided on the cable tray side plate in the connecting groove.

[0016] The above technical solution improves the connection strength between the built-in expansion joint and the cable tray body by using the sliding groove and sliding plate.

[0017] As a preferred technical solution of this utility model, a fixing block is provided on the outer wall of the bridge side plate on both sides of the displacement groove. A drive groove is provided through the fixing block. A drive rod is slidably provided in the drive groove. A compression spring is coaxially sleeved on the top of the drive rod extending to the outside of the fixing block. A mounting plate is provided on the bottom of the drive rod extending to the outside of the fixing block. A locking post that can be inserted into the locking groove is provided on the mounting plate. A pull rod is provided on the bottom end face of the mounting plate.

[0018] The above technical solution utilizes a drive rod, compression spring, mounting plate, and locking pin to limit and fix the displacement of the built-in telescopic joint.

[0019] As a preferred technical solution of this utility model, a limiting block is provided on the inner side wall of the driving groove, and a limiting groove that matches the limiting block is provided on the driving rod.

[0020] By using the above technical solution and the setting of the limiting block and the limiting groove, the installation plate and the locking column are prevented from shifting during the displacement process of the drive rod.

[0021] Compared with the prior art, the beneficial effects of this utility model are:

[0022] When adjusting the built-in expansion joint on the cable tray body, firstly, the drive rod on one of the fixed blocks is driven downward by the pull rod, causing the locking pin to disengage from the locking groove inside the displacement block. Then, the built-in expansion joint is pulled to move towards another fixed block. Then, the drive rod on the other fixed block is driven downward by the pull rod, so as not to affect the fit between the displacement block on the built-in expansion joint and the other fixed block. When the displacement block fits with the other fixed block, the pull rod is loosened and the locking pin on the mounting plate is inserted into the locking groove of the displacement block under the action of the compression spring, thereby limiting and fixing the displacement of the built-in expansion joint.

[0023] When adjusting the external expansion joint on the cable tray body, first loosen the fastening bolts inserted into the first and second fastening holes to remove them. Then, pull the external expansion joint to the outside of the cable tray body, so that the first fastening hole on the guide plate connects with the third fastening hole on the external expansion joint. Insert the fastening bolts into the connected first and third fastening holes to fix it, thereby limiting and fixing the displacement of the external expansion joint. This utility model can adjust the length of the cable tray body to adapt to different installation requirements, greatly improving its applicability. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of this utility model;

[0025] Figure 2 for Figure 1 Another structural diagram;

[0026] Figure 3 This is a schematic diagram of the structure of the cable tray body of this utility model;

[0027] Figure 4 This diagram shows the connection relationship between the fixing block, drive rod, mounting plate, and locking pin of this utility model.

[0028] Figure 5 This diagram shows the connection relationship between the drive rod, mounting plate, and compression spring of this utility model.

[0029] Figure 6 This is a schematic diagram of the external expansion joint of this utility model;

[0030] Figure 7 This is a schematic diagram of the built-in telescopic joint of this utility model;

[0031] In the diagram: 1. Cable tray body; 101. Cable tray base plate; 102. Cable tray side plate; 103. Side built-in groove; 104. Bottom built-in groove; 105. Side external groove; 106. Bottom external groove; 107. Guide plate; 108. First fastening hole; 109. Connecting groove; 110. Sliding groove; 111. Displacement groove; 112. Fixing block; 113. Locking post; 114. Mounting plate; 115. Tie rod; 16. Compression spring; 117. Drive rod; 118. Limiting groove; 2. External expansion joint; 201. External base plate; 202. External side plate; 203. Bearing plate; 204. Guide groove; 205. Second fastening hole; 206. Third fastening hole; 3. Internal expansion joint; 301. Internal base plate; 302. Internal side plate; 303. Connecting plate; 304. Sliding plate; 305. Displacement block; 4. Fastening bolt. Detailed Implementation

[0032] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of the present invention.

[0033] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0034] Example

[0035] This utility model provides a cable tray with telescopic function, see reference. Figure 1-7 As shown, the cable tray body 1 is provided with an external expansion joint 2 at one end and an internal expansion joint 3 at the other end. The present invention can adjust the length of the cable tray body 1 by setting the external expansion joint 2 and the internal expansion joint 3 to adapt to different installation requirements, thus greatly improving its applicability.

[0036] refer to Figure 3 The cable tray body 1 shown includes a cable tray base plate 101. A bottom built-in groove 104 is formed on the inner end face of one end of the cable tray base plate 101, and a bottom external groove 106 is formed on the outer end face of the other end of the cable tray base plate 101. Cable tray side plates 102 are symmetrically arranged on both sides of the cable tray base plate 101. A side built-in groove 103 connected to the bottom built-in groove 104 is formed on the inner end face of one end of the cable tray side plate 102, and a side external groove 105 connected to the bottom external groove 106 is formed on the outer end face of the other end of the cable tray side plate 102.

[0037] The cable tray base plate 101 in the bottom external groove 106 is provided with a bearing groove, and a bearing plate 203 with one end connected to the external base plate 201 is slidably provided in the bearing groove. The bearing plate 203 improves the connection strength and bearing capacity between the external expansion joint 2 and the bottom of the cable tray body 1.

[0038] The cable tray side plate 102 has a displacement groove 111 on its outer end face for displacement block 305. The cable tray side plate 102 has a connecting groove 109 that fits with connecting plate 303. The cable tray side plate 102 in the connecting groove 109 has a sliding groove 110 for sliding plate 304 to be inserted. The sliding groove 110 is connected to the displacement groove 111. The connection strength between the built-in expansion joint 3 and the cable tray body 1 is improved by the setting of sliding groove 110 and sliding plate 304.

[0039] refer to Figure 4-5As shown, fixing blocks 112 are provided on the outer walls of the bridge side plates 102 on both sides of the displacement groove 111. A drive groove is provided through the fixing block 112, and a drive rod 117 is slidably provided in the drive groove. A compression spring 116 is coaxially sleeved on the top of the drive rod 117 extending to the outer side of the top of the fixing block 112. A mounting plate 114 is provided on the bottom of the drive rod 117 extending to the outer side of the bottom of the fixing block 112. A locking pin 113 is provided on the mounting plate 114 that can be inserted into the locking groove. The locking pin 113 and the locking groove can limit and fix the displacement of the built-in expansion joint 3. A pull rod 115 is provided on the bottom end face of the mounting plate 114. The drive rod 117, the compression spring 116, the mounting plate 114 and the locking pin 113 are arranged in a coordinated manner to limit and fix the displacement of the built-in expansion joint 3.

[0040] The drive groove has a limiting block on its inner sidewall and a limiting groove 118 that matches the limiting block on the drive rod 117. By setting the limiting block and the limiting groove 118, the installation plate 114 and the locking pin 113 are prevented from shifting during the displacement of the drive rod 117, thus preventing the locking pin 113 from being inserted into the locking groove.

[0041] refer to Figure 6 The external expansion joint 2 shown includes an external base plate 201 disposed in the bottom external groove 106. External side plates 202 are symmetrically disposed on both sides of the external base plate 201 in the side external groove 105. A guide plate 107 is slidably disposed on the outer side of the external side plate 202, one end of which is connected to the outer end face of the cable tray side plate 102. The connection strength between the external expansion joint 2 and the side of the cable tray body 1 is improved by the setting of the guide plate 107. A first fastening hole 108 is provided through the guide plate 107 for fastening bolts 4 to be inserted.

[0042] The inner end face of the guide plate 107 is provided with a guide block in a trapezoidal structure, and the outer end face of the outer side plate 202 is provided with a guide groove 204 for the displacement of the guide block. Through the setting of the guide groove 204 and the guide block, the displacement of the external expansion joint 2 can be limited.

[0043] The external side plate 202 has a second fastening hole 205 at one end, which is connected to the first fastening hole 108 for the external expansion joint 2 to be housed on the cable tray body 1. The first fastening hole 108 and the second fastening hole 205 are provided to limit and fix the external expansion joint 2 when it is housed on the cable tray body 1. The external side plate 202 on the side of the second fastening hole 205 has a third fastening hole 206, which is connected to the first fastening hole 108 for the external expansion joint 2 to slide out to the outside of the cable tray body 1. The first fastening hole 108 and the third fastening hole 206 are provided to limit and fix the external expansion joint 2 when it slides out to the outside of the cable tray body 1.

[0044] refer to Figure 7 The built-in telescopic joint 3 shown includes a built-in base plate 301 disposed in a bottom built-in groove 104. Built-in side plates 302 are symmetrically disposed on both sides of the built-in base plate 301 and located in the side built-in grooves 103. A connecting plate 303 is disposed on the outer side of one end of the built-in side plate 302. A sliding plate 304 parallel to the built-in side plate 302 is disposed on the connecting plate 303. A displacement block 305 is disposed on the outer end of the sliding plate 304. A locking groove is formed on the bottom end face of the displacement block 305.

[0045] The working principle of this utility model is as follows:

[0046] When adjusting the built-in telescopic joint 3 on the cable tray body 1, the drive rod 117 on one of the fixed blocks 112 is first driven downward by the pull rod 115, so that the locking pin 113 is disengaged from the locking groove in the displacement block 305. Then, the built-in telescopic joint 3 is pulled to move towards the other fixed block 112. Then, the drive rod 117 on the other fixed block 112 is driven downward by the pull rod 115, so as not to affect the contact between the displacement block 305 on the built-in telescopic joint 3 and the other fixed block 112. When the displacement block 305 is in contact with the other fixed block 112, the pull rod 115 is loosened and the locking pin 113 on the mounting plate 114 is inserted into the locking groove of the displacement block 305 under the action of the compression spring 116, thereby limiting and fixing the displacement of the built-in telescopic joint 3.

[0047] When adjusting the external expansion joint 2 on the cable tray body 1, first loosen the fastening bolts 4 inserted into the first fastening hole 108 and the second fastening hole 205 to remove them. Then, pull the external expansion joint 2 to the outside of the cable tray body 1, so that the first fastening hole 108 on the guide plate 107 connects with the third fastening hole 206 on the external expansion joint 2. Insert the fastening bolts 4 into the connected first fastening hole 108 and the third fastening hole 206 to fix them, thereby limiting and fixing the displacement of the external expansion joint 2. This utility model can adjust the length of the cable tray body 1 to adapt to different installation requirements, greatly improving its applicability.

[0048] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0049] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A cable bridge with telescopic function, comprising a bridge body (1), characterized in that: The cable tray body (1) includes a cable tray base plate (101). A bottom built-in groove (104) is provided on the inner end face of one end of the cable tray base plate (101), and a bottom external groove (106) is provided on the outer end face of the other end of the cable tray base plate (101). Cable tray side plates (102) are symmetrically provided on both sides of the cable tray base plate (101). A side built-in groove (103) communicating with the bottom built-in groove (104) is provided on the inner end face of one end of the cable tray side plate (102), and a side external groove (105) communicating with the bottom external groove (106) is provided on the outer end face of the other end of the cable tray side plate (102). An external expansion joint (2) is slidably provided on one end of the cable tray body (1), and an internal expansion joint (3) is slidably provided on the other end of the cable tray body (1). The external expansion joint (2) includes an external base plate (201) set in the bottom external groove (106), and external side plates (202) located in the side external groove (105) are symmetrically arranged on both sides of the external base plate (201). A guide plate (107) with one end connected to the cable tray side plate (102) is slidably arranged on the outside of the external side plate (202). A first fastening hole (108) for fastening bolts (4) to be inserted is opened through the guide plate (107). The built-in telescopic joint (3) includes a built-in base plate (301) set in the bottom built-in groove (104). The built-in base plate (301) is symmetrically provided with built-in side plates (302) located in the side built-in groove (103) on both sides. A connecting plate (303) is provided on the outside of the built-in side plate (302). A sliding plate (304) parallel to the built-in side plate (302) is provided on the connecting plate (303). A displacement block (305) is provided on the outside of the sliding plate (304). A locking groove is opened on the bottom end face of the displacement block (305).

2. The cable tray with telescopic function according to claim 1, characterized in that: A bearing groove is provided on the bottom plate (101) of the cable tray in the bottom external groove (106), and a bearing plate (203) with one end connected to the external bottom plate (201) is slidably provided in the bearing groove.

3. The cable tray with telescopic function according to claim 1, characterized in that: The inner end face of the guide plate (107) is provided with a guide block, and the outer end face of the outer side plate (202) is provided with a guide groove (204) for the displacement of the guide block.

4. The cable tray with telescopic function according to claim 1, characterized in that: One end of the external side plate (202) is provided with a second fastening hole (205) for the external expansion joint (2) to be housed in the cable tray body (1) and connected to the first fastening hole (108). The external side plate (202) on one side of the second fastening hole (205) is provided with a third fastening hole (206) for the external expansion joint (2) to slide out to the outside of the cable tray body (1) and connected to the first fastening hole (108).

5. The cable tray with telescopic function according to claim 1, characterized in that: The outer end face of the cable tray side plate (102) is provided with a displacement groove (111) for displacement of the displacement block (305), and a connecting groove (109) that fits with the connecting plate (303) is provided on the cable tray side plate (102). A sliding groove (110) for insertion of the sliding plate (304) is provided on the cable tray side plate (102) in the connecting groove (109).

6. The cable tray with telescopic function according to claim 5, characterized in that: Fixing blocks (112) are provided on the outer walls of the bridge side plates (102) on both sides of the displacement groove (111). A driving groove is provided through the fixing block (112). A driving rod (117) is slidably provided in the driving groove. A compression spring (116) is coaxially sleeved on the top of the driving rod (117) to the outside of the fixing block (112). A mounting plate (114) is provided on the bottom of the driving rod (117) to the outside of the fixing block (112). A locking pin (113) that can be inserted into the locking groove is provided on the mounting plate (114). A pull rod (115) is provided on the bottom end face of the mounting plate (114).

7. The cable tray with telescopic function according to claim 6, characterized in that: The inner wall of the drive groove is provided with a limiting block, and the drive rod (117) is provided with a limiting groove (118) that matches the limiting block.

Images