Folding structure of double-track T-shaped measuring instrument

Abstract

The utility model relates to the technical field of measuring instruments, and discloses a folding structure of a double-track T-shaped measuring instrument. The folding structure of the double-track T-shaped measuring instrument comprises a measuring instrument main body and a folding structure main body, the measuring instrument body comprises a movable plate rotationally connected to the cross rod, a lock cylinder is connected to the movable plate through a bolt, and a baffle is connected to the bottom of the lock cylinder through a bolt. The number of the folding structure main bodies is three, the rotating block is rotated towards the direction of the hook, the rotating block drives the tensioning rod to move towards one side through the fixing rod, at the moment, the tensioning rod is not hung on the hook any more, and the folding structure main bodies can be loosened by rotating the tensioning rod upwards. And the two cross rods are rotated towards the side connected with the folding structure main body, so that the two cross rods are folded together through the second hinges, the folded and stored cross rods are convenient for a user to carry and store, and the portability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring instruments, and particularly relates to a folding structure of a double-rail T-shaped measuring instrument. Background Art

[0002] Railway tracks, also known as road tracks, railway tracks, tracks, etc., are mainly used on railways and cooperate with switch points to enable trains to travel without turning. Railway tracks usually consist of two parallel steel rails, which are fixed on sleepers, and ballast is placed under the sleepers. Fastened by railway accessories such as rail braces, fasteners, rail clamps, rail splints, elastic bars, railway spikes, etc., a track measuring instrument is an instrument that determines the geometric parameters, position, and deformation of the track by measuring the relative position between the wheels and the track.

[0003] First, the existing double-rail track measuring instruments usually have a length of more than 1.5 meters. When measuring the track, multiple people are required to carry it together, which is time-consuming and laborious, resulting in great inconvenience in the storage and carrying of the device, and poor portability.

[0004] Second, the crossbars at the bottom of the existing measuring instruments are hollow after production, but the internal space is closed and cannot be utilized. Users can only carry other tools required for measurement with them, resulting in poor practicability of the device. Content of the Utility Model

[0005] The purpose of the utility model is to provide a folding structure of a double-rail T-shaped measuring instrument to solve the problems raised in the above background art.

[0006] To solve the above technical problems, the utility model provides the following technical solution: A folding structure of a double-rail T-shaped measuring instrument, including a measuring instrument main body and a folding structure main body; the measuring instrument main body includes a movable plate rotatably connected to a crossbar, a lock core is bolted to the movable plate, and a baffle is bolted to the bottom of the lock core; there are three folding structure main bodies, two of which are located above the movable plate, and the other is located on the side of the crossbar, including a mounting plate bolted to the top of the movable plate, connecting blocks are welded on both sides of the mounting plate, a rotating block is rotatably connected to the mounting plate, a fixed rod is rotatably connected to the rotating block, a tension rod is bolted to the fixed rod, and the end of the tension rod away from the fixed rod is hung on a hook.

[0007] Preferably, a first hinge is bolted to one side of the movable plate and the crossbar, and they are rotatably connected through the first hinge, and one of the folding structure main bodies is bolted to the side of the crossbar where the first hinge is installed.

[0008] Preferably, the bottom of the hook of the folding structure main body located above the movable plate is bolted to the top of the movable plate, and the hook and the mounting plate are respectively bolted to the two movable plates.

[0009] Preferably, adjusting blocks are bolted to both sides of the rotating block, an adjusting groove is formed on one side of the connecting block close to the adjusting block, and the adjusting block is located in the adjusting groove.

[0010] Preferably, clamping blocks are bolted to the upper and lower sides of the adjusting block, clamping grooves are formed on the upper and lower sides of the adjusting groove, and the clamping blocks are movably fitted in the clamping grooves.

[0011] Preferably, a second hinge is bolted to the side of the cross bar that is not connected to the folding structure main body, and the second hinge rotatably connects the two cross bars.

[0012] Preferably, a handle is bolted to the top of the movable plate, a limiting plate is bolted inside the cross bar, and the top of the baffle is closely attached to the bottom of the limiting plate.

[0013] Compared with the prior art, the beneficial effects achieved by the present utility model are as follows:

[0014] First, rotate the rotating block towards the hook direction. The rotating block drives the tension rod to move to one side through the fixed rod. At this time, the tension rod is no longer suspended on the hook. Rotate the tension rod upward to loosen the folding structure main body. When the folding structure main body on the side of the cross bar is loosened, rotate the two cross bars towards the side connected with the folding structure main body, so that the two cross bars are folded together through the second hinge. The folded and stored cross bars are convenient for the user to carry, store and release, improving the portability of the device.

[0015] Second, when the folding structure main body on the top of the measuring instrument main body is loosened, insert the key into the lock core and rotate the lock core, then the two movable plates can be rotated upward from one side of the cross bar through the first hinge respectively. When the folding structure main body is not loosened and the baffle is turned open, it will drive the two movable plates to open at the same time, and sundries can be put into the cross bar. The movable plates can utilize the idle space inside the cross bar, improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional view of the present utility model;

[0017] Figure 2 is a detailed view of the present utility model;

[0018] Figure 3 is a structural diagram of the cross bar of the present utility model;

[0019] Figure 4 is a structural diagram of the folding structure main body of the present utility model.

[0020] Wherein: 1. Measuring instrument main body; 101. Cross bar; 102. Movable plate; 103. Handle; 104. Lock core; 105. Baffle plate; 106. Limiting plate; 107. First hinge; 2. Folding structure main body; 201. Rotating block; 202. Fixed rod; 203. Tightening rod; 204. Hook; 205. Adjusting block; 206. Clamping block; 207. Connecting block; 208. Adjusting groove; 209. Card slot; 210. Mounting plate; 211. Second hinge. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-4 , a folding structure of a double-track T-shaped measuring instrument, including a measuring instrument main body 1 and a folding structure main body 2; the measuring instrument main body 1 includes a movable plate 102 rotatably connected to a cross bar 101, a lock core 104 is bolted to the movable plate 102, and a baffle plate 105 is bolted to the bottom of the lock core 104; there are three folding structure main bodies 2, two of the folding structure main bodies 2 are located above the movable plate 102, and the other folding structure main body 2 is located on the side of the cross bar 101, including a mounting plate 210 bolted to the top of the movable plate 102, connecting blocks 207 are welded on both sides of the mounting plate 210, a rotating block 201 is rotatably connected to the mounting plate 210, a fixed rod 202 is rotatably connected to the rotating block 201, a tightening rod 203 is bolted to the fixed rod 202, one end of the tightening rod 203 away from the fixed rod 202 is suspended on a hook 204, rotating the rotating block 201 in the direction of the hook 204, the rotating block 201 drives the tightening rod 203 to move to one side through the fixed rod 202, at this time the tightening rod 203 is no longer suspended on the hook 204, and rotating the tightening rod 203 upward can loosen the folding structure main body 2. When the folding structure main body 2 on the side of the cross bar 101 is loosened, rotate the two cross bars 101 to the side connected with the folding structure main body 2, so that the two cross bars 101 are folded together through the second hinge 211. The folded and stored cross bars 101 are convenient for the user to carry and store, improving the portability of the device.

[0023] Specifically, a first hinge 107 is bolted to one side of the movable plate 102 and the cross bar 101, and the two are rotatably connected through the first hinge 107, and one of the folding structure main bodies 2 is bolted to the side of the cross bar 101 where the first hinge 107 is installed.

[0024] Through the above technical solution, the folding structure main body 2 located on one side of the cross bar 101 is used to control the opening and closing of the two cross bars 101.

[0025] Specifically, the bottom of the hook 204 of the folding structure main body 2 located above the movable plate 102 is bolted to the top of the movable plate 102, and the hook 204 and the mounting plate 210 are respectively bolted to the two movable plates 102.

[0026] Through the above technical solution, the tension rod 203 can rotate on the rotating block 201 through the fixed rod 202, and one end of the tension rod 203 hanging on the hook 204 forms a triangle.

[0027] Specifically, adjusting blocks 205 are bolted to both sides of the rotating block 201. An adjusting groove 208 is formed on one side of the connecting block 207 close to the adjusting block 205, and the adjusting block 205 is located in the adjusting groove 208.

[0028] Through the above technical solution, the diameter of the adjusting groove 208 is slightly larger than the diameter of the adjusting block 205 to provide a rotating space for the clamping block 206.

[0029] Specifically, clamping blocks 206 are bolted to the upper and lower sides of the adjusting block 205. Clamping grooves 209 are formed on the upper and lower sides of the adjusting groove 208, and the clamping blocks 206 are movably fitted in the clamping grooves 209.

[0030] Through the above technical solution, the clamping block 206 is made of rubber material and has a certain elasticity. When the clamping block 206 is movably fitted with the clamping groove 209, the rotating block 201 will be fixed in the current position.

[0031] Specifically, a second hinge 211 is bolted to the side of the cross bar 101 that is not connected to the folding structure main body 2, and the second hinge 211 rotatably connects the two cross bars 101.

[0032] Through the above technical solution, the second hinge 211 is used to drive the cross bar 101 to rotate.

[0033] Specifically, a handle 103 is bolted to the top of the movable plate 102, a limiting plate 106 is bolted inside the cross bar 101, and the top of the baffle 105 is closely attached to the bottom of the limiting plate 106.

[0034] Through the above technical solution, when the baffle 105 is located at the bottom of the limiting plate 106, it will block the upward rotation of the movable plate 102.

[0035] In use, rotate the rotating block 201 towards the hook 204. The adjusting blocks 205 on both sides of the rotating block 201 will drive the clamping block 206 to move out of the currently engaged card slot 209 and rotate in the adjusting slot 208. At this time, the rotating block 201 drives the tension rod 203 to move to one side through the fixing rod 202. At this time, the tension rod 203 is no longer suspended on the hook 204. Rotate the tension rod 203 upward to release the folding structure main body 2. When the folding structure main body 2 on the side of the cross bar 101 is released, rotate the two cross bars 101 towards the side connected to the folding structure main body 2 so that the two cross bars 101 are folded together through the second hinge 211. When the folding structure main body 2 on the top of the measuring instrument main body 1 is released, insert the key into the lock core 104 and rotate the lock core 104 so that the baffle 105 leaves the bottom of the limiting plate 106, and then the two movable plates 102 can be rotated upward from one side of the cross bar 101 through the first hinge 107 to open. When the folding structure main body 2 on the top of the measuring instrument main body 1 is not released and the baffle 105 is turned away, it will drive the two movable plates 102 to open at the same time, and sundries can be put into the cross bar 101.

[0036] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0037] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A folding structure of a double-track T-type measuring instrument, characterized in that: include: A measuring instrument body (1) and a folding structure body (2); The measuring instrument body (1) comprises a movable plate (102) rotatably connected to a crossbar (101), a lock core (104) being bolted to the movable plate (102), and a baffle (105) being bolted to the bottom of the lock core (104); The folding structure main body (2) is provided with three, two of which are located above the movable plate (102), and the other folding structure main body (2) is located on the side of the cross bar (101), comprising a mounting plate (210) bolted to the top of the movable plate (102), connecting blocks (207) welded on both sides of the mounting plate (210), a rotating block (201) rotatably connected to the mounting plate (210), a fixing rod (202) rotatably connected to the rotating block (201), a tensioning rod (203) bolted to the fixing rod (202), and an end of the tensioning rod (203) away from the fixing rod (202) is suspended on a hook (204).

2. The folding structure of a double-track T-type measuring instrument according to claim 1, characterized in that: The movable plate (102) is bolted to a first hinge (107) on one side of the cross bar (101), and the two are rotatably connected via the first hinge (107), and the cross bar (101) is bolted to a side on which the first hinge (107) is installed to connect one of the folding structure bodies (2).

3. The folding structure of a double-track T-type measuring instrument according to claim 1, characterized in that: The bottom of the hook (204) of the folding structure body (2) located above the movable plate (102) is bolted to the top of the movable plate (102), and the hook (204) and the mounting plate (210) are respectively bolted to the two movable plates (102).

4. The folding structure of a double-track T-type measuring instrument according to claim 1, characterized in that: Adjustment blocks (205) are bolted to both sides of the rotating block (201), an adjustment groove (208) is formed on one side of the connecting block (207) close to the adjustment block (205), and the adjustment block (205) is located in the adjustment groove (208).

5. The folding structure of a double-track T-type measuring instrument according to claim 4, characterized in that: The upper and lower sides of the adjusting block (205) are bolted with clamping blocks (206), the upper and lower sides of the adjusting slot (208) are provided with clamping slots (209), and the clamping block (206) is movably embedded in the clamping slots (209).

6. The folding structure of a double-track T-type measuring instrument according to claim 1, characterized in that: The side of the cross bar (101) not connected to the folding structure main body (2) is bolted to a second hinge (211), and the second hinge (211) rotatably connects the two cross bars (101).

7. The folding structure of a double-track T-type measuring instrument according to claim 1, characterized in that: The top of the movable plate (102) is bolted to a handle (103), the interior of the crossbar (101) is bolted to a limit plate (106), and the top of the baffle (105) is tightly attached to the bottom of the limit plate (106).

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