Auxiliary device for capillary U-shaped tube sample

Abstract

The utility model provides a capillary U-shaped tube sample auxiliary device which comprises a base, a supporting rod which is fixed on the base and is vertically arranged, a clamping mechanism which is movably connected with the supporting rod, and a sliding seat which is movably sleeved on the supporting rod and is positioned below the clamping mechanism, the sliding seat is in threaded connection with a puller bolt which extends into the sliding seat and can abut against the supporting rod, one side of the sliding seat is fixedly connected with a supporting arm, the end, away from the sliding seat, of the supporting arm is detachably connected with a heating sleeve, and the other side of the sliding seat is provided with a socket electrically connected with the heating sleeve. In the asphalt sample adding process, the heating effect can be provided, and the test convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt sample detection equipment, in particular to a capillary U-tube sample auxiliary device. Background Art

[0002] When conducting asphalt sample tests, the asphalt sample needs to be loaded into a capillary U-shaped tube. The specification requires that the asphalt should be loaded into the capillary tube without hanging on the wall as much as possible. Generally, a long-necked funnel is used to add the asphalt sample to the capillary U-shaped tube. However, due to the small diameter of the tube below the long-necked funnel, the asphalt sample flows slowly inside. The asphalt on the tube wall at the funnel outlet is prone to solidification. When the sample is poured in, the flow of the asphalt will be greatly affected. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a capillary U-tube sample auxiliary device, which can prevent the phenomenon of asphalt solidification during the process of adding asphalt samples into a long-necked funnel.

[0004] According to an embodiment of the utility model, a capillary U-tube sample auxiliary device includes a base, a support rod fixed on the base and vertically arranged, and a clamping mechanism movably connected to the support rod, the support rod is also movably sleeved with a slide seat located below the clamping mechanism, the slide seat is threaded with a tightening bolt extending into the interior thereof and capable of abutting against the support rod, one side of the slide seat is fixedly connected to a support arm, an end of the support arm away from the slide seat is detachably connected to a heating sleeve, and the other side of the slide seat is provided with a socket electrically connected to the heating sleeve.

[0005] Preferably, a heating tube is provided inside the heating sleeve, an electrical socket is provided on the side of the heating sleeve, and an electrical plug matching with the electrical socket is provided at the end of the support arm.

[0006] Further preferably, a controller for controlling the current is provided in the support arm, and a knob for adjusting the controller is provided on the support arm.

[0007] Further preferably, the base is provided with a plurality of insertion holes, and the plurality of insertion holes are evenly distributed along the circumference of the support rod.

[0008] Further preferably, a set of clamping mechanisms is provided in each of the sockets.

[0009] Further preferably, the base is provided with two movable cavities located on both sides of the socket and connected thereto, the clamping mechanism includes a clamping block movably arranged in the movable cavity and capable of horizontal movement, the two clamping blocks are connected to the cavity wall of the movable cavity opposite to each other on one side through elastic members, a vertical movable hole connected to the two movable cavities is provided on the top of the base, and a transmission assembly is provided in the movable hole which is transmission-connected to the two clamping blocks and drives them to move horizontally.

[0010] Still further preferably, the transmission assembly includes a pressing rod movably arranged in the movable hole, and both sides of the pressing rod are rotatably connected to a transmission rod respectively, and the two transmission rods are rotatably connected to the clamping blocks at both sides respectively.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] An adjustable slide is provided on the support rod, and a heating sleeve is connected to the slide through a support arm. When the asphalt sample is added into the U-shaped tube using a long-necked funnel, the height of the heating sleeve can be adjusted according to the height of the outlet pipe of the long-necked funnel, so that the heating sleeve can provide a heating effect on the outlet pipe of the long-necked funnel, thereby preventing the asphalt sample from solidifying when the outlet pipe is closed, thereby avoiding affecting the flow of the asphalt sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic structural diagram of a capillary U-tube sample auxiliary device.

[0014] Figure 2 The utility model is a schematic diagram of a top view of the cross-section of an active cavity in a capillary U-tube sample auxiliary device.

[0015] Figure 3 The utility model is a schematic diagram of the main structure of the transmission assembly in a capillary U-tube sample auxiliary device.

[0016] In the above drawings: 1, base; 101, socket; 102, movable cavity; 103, movable hole; 2, support rod; 3, clamping mechanism; 4, slide seat; 5, support arm; 501, knob; 502, electrical plug; 6, heating sleeve; 601, electrical socket; 7, socket; 8, clamping mechanism; 801, clamping block; 802, elastic member; 810, transmission assembly; 811, pressing rod; 812, transmission rod. DETAILED DESCRIPTION

[0017] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] like Figure 1As shown, a capillary U-tube sample auxiliary device comprises a base 1, a support rod 2 fixed on the base 1 and vertically arranged, and a clamping mechanism 3 movably connected to the support rod 2, the clamping mechanism 3 comprises a base movably connected to the support rod 2, a U-shaped tube clamp is fixed on the base, and the base can be adjusted up and down along the axis of the support rod 2, and the support rod 2 is also movably sleeved with a slide 4 located below the clamping mechanism 3, the slide 4 is a sleeve-type structure, and its inner side is clearance-matched with the support rod 2, and the clearance is zero, and a tightening bolt extending to the inside thereof and capable of contacting the support rod 2 is threadedly connected to the slide 4, and the position of the slide 4 is fixed by the tightening bolt, and a support arm 5 is fixedly connected to one side of the slide 4, and a heating sleeve 6 is detachably connected to the end of the support arm 5 away from the slide 4, and a socket 7 electrically connected to the heating sleeve 6 is provided on the other side of the slide 4, and the socket 7 is used for an external power supply;

[0019] When loading asphalt, first pass the U-shaped tube through the heating sleeve 6 in a vertical state, then rotate the clamping mechanism 3 to the top of the U-shaped tube, and adjust the height of the clamping mechanism 3 so that the clamping mechanism 3 can clamp the top of the U-shaped tube, then extend the long-necked funnel into the U-shaped tube, adjust the height of the heating sleeve 6 according to the height of the bottom outlet of the long-necked funnel, and then fix the position of the slide 4, turn on the heating function of the heating sleeve 6 for a period of time, and then pour the asphalt sample into the long-necked funnel, which can effectively avoid the phenomenon of asphalt sample solidification at the bottom outlet of the long-necked funnel;

[0020] In order to facilitate installation and removal of the heating sleeve 6, in a further embodiment, a heating tube is provided inside the heating sleeve 6, an electrical socket 601 is provided on the side of the heating sleeve 6, and an electrical plug 502 matching the electrical socket 601 is provided at the end of the support arm 5;

[0021] In order to facilitate the control of the heating temperature of the heating sleeve 6, in a further embodiment, a controller for controlling the current is provided in the support arm 5, and a knob 501 for adjusting the controller is provided on the support arm 5;

[0022] In order to facilitate the fixing of the U-shaped tube, in a further embodiment, the base 1 is provided with a plurality of jacks 101, the jacks 101 have a certain depth, and the plurality of jacks 101 are evenly distributed along the circumference of the support rod 2. In this embodiment, three jacks 101 are provided. After the U-shaped tube passes through the heating sleeve 6, its bottom is inserted into the jack 101. After the sample is added, the clamping mechanism 3 and the heating sleeve 6 are taken out from the top of the U-shaped tube in sequence.

[0023] In order to improve the stability of the U-shaped tube, in a further embodiment, a set of clamping mechanisms 8 are provided in each of the plug holes 101 to clamp the bottom end of the U-shaped tube to maintain its stability;

[0024] Specifically, Figure 1 , Figure 2 As shown, the base 1 is provided with two movable chambers 102 located on both sides of the jack 101 and connected thereto, the clamping mechanism 8 includes a clamping block 801 movably arranged in the movable chamber 102 and movable horizontally, the two sides of the clamping blocks 801 that are separated from each other are connected to the cavity wall of the movable chamber 102 through elastic members 802, respectively, the top of the base 1 is provided with a vertical movable hole 103 that is connected to the two movable chambers 102, and the movable hole 103 is provided with a transmission assembly 810 that is transmission-connected to the two clamping blocks 801 and drives them to move horizontally;

[0025] In the initial state, the elastic member 802 is in a free state, and the distance between the two clamping blocks 801 is slightly smaller than the width of the bottom of the U-shaped tube. The two clamping blocks 801 can move toward or toward each other through the transmission assembly 810. After the U-shaped tube enters between the two clamping blocks 801, the elastic member 802 is compressed, and the U-shaped tube is clamped under the reaction force of the elastic member 802.

[0026] Specifically, Figure 3 As shown, the two clamping blocks 801 move in the horizontal direction, and the transmission assembly 810 includes a pressing rod 811 movably arranged in the movable hole 103, the pressing rod 811 is vertically arranged, and the two sides of the pressing rod 811 are respectively rotatably connected to a transmission rod 812, and the two transmission rods 812 are respectively rotatably connected to the clamping blocks 801 on both sides;

[0027] The pressing rod 811 moves downward, driving the two clamping blocks 801 away from each other. When the pressing rod 811 is released, the two clamping blocks 801 move closer to each other under the action of the elastic member 802, thereby achieving a reset or clamping effect.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A capillary U-tube sample auxiliary device, comprising a base (1), a support rod (2) fixed on the base (1) and arranged vertically, and a clamping mechanism (3) movably connected to the support rod (2), characterized in that: The support rod (2) is also movably sleeved with a slide seat (4) located below the clamping mechanism (3); the slide seat (4) is threadedly connected with a tightening bolt extending into the interior thereof and capable of contacting the support rod (2); one side of the slide seat (4) is fixedly connected with a support arm (5); one end of the support arm (5) away from the slide seat (4) is detachably connected with a heating sleeve (6); and the other side of the slide seat (4) is provided with a socket (7) electrically connected to the heating sleeve (6).

2. A capillary U-tube sample auxiliary device according to claim 1, characterized in that: A heating tube is provided inside the heating sleeve (6), an electrical socket (601) is provided on the side of the heating sleeve (6), and an electrical plug (502) matching with the electrical socket (601) is provided at the end of the support arm (5).

3. A capillary U-tube sample auxiliary device according to claim 2, characterized in that: A controller for controlling the magnitude of the current is arranged inside the support arm (5), and a knob (501) for adjusting the controller is arranged on the support arm (5).

4. A capillary U-tube sample auxiliary device according to any one of claims 1 to 3, characterized in that: The base (1) is provided with a plurality of insertion holes (101), and the plurality of insertion holes (101) are evenly distributed along the circumference of the support rod (2).

5. A capillary U-tube sample auxiliary device according to claim 4, characterized in that: A set of clamping mechanisms (8) is provided in each of the insertion holes (101).

6. A capillary U-tube sample auxiliary device according to claim 5, characterized in that: The base (1) is provided with two movable cavities (102) located on both sides of the insertion hole (101) and connected thereto; the clamping mechanism (8) comprises a clamping block (801) movably arranged in the movable cavity (102) and capable of horizontal movement; the two sides of the two clamping blocks (801) facing away from each other are respectively connected to the cavity wall of the movable cavity (102) via elastic members (802); the top of the base (1) is provided with a vertical movable hole (103) connected to the two movable cavities (102); the movable hole (103) is provided with a transmission assembly (810) which is transmission-connected to the two clamping blocks (801) and drives them to move horizontally.

7. A capillary U-tube sample auxiliary device according to claim 6, characterized in that: The transmission assembly (810) comprises a pressing rod (811) movably arranged in the movable hole (103), and two sides of the pressing rod (811) are respectively rotatably connected to a transmission rod (812), and the two transmission rods (812) are respectively rotatably connected to the clamping blocks (801) on both sides.

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