Jack-steel bar connecting device with measuring function

Abstract

The utility model relates to the technical field of steel bar construction, in particular to a jack-steel bar connecting device with a measuring function. The device comprises a jack, a connecting plate, a force measuring ring, a telescopic adjusting mechanism and a steel bar bearing frame, the connecting plate is arranged at the jacking end of the jack and provided with a first threaded column. One end of the force measuring ring is in threaded connection with the first threaded column, and the other end is provided with a threaded hole. The axially telescopic end of the telescopic adjusting mechanism is in threaded connection with the threaded hole of the force measuring ring. The steel bar bearing frame is arranged at the other end of the telescopic adjusting mechanism and provided with a containing groove. The device can measure the pressure of the reinforcing steel bar of a supporting point, cannot deviate due to extrusion stress, can adjust the telescopic adjusting mechanism when the ejection height of the jack is not enough, supports the reinforcing steel bar to the height meeting the actual requirement, has higher measurement precision, is simple in manufacturing process, is convenient to operate and use, and has great popularization value.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar construction, in particular to a jack-steel bar connecting device with a measuring function. Background Art

[0002] During the construction of buildings, tunnels, and pile foundations, there are often large steel structures with a large overall weight. When large lifting equipment or cranes cannot be used due to space, site, traffic and other factors, auxiliary lifting equipment such as jacks are required to support or adjust the position of the steel bars. Ordinary lifting equipment or cranes cannot provide more accurate support force, and ordinary jacks cannot observe the size of the support force in real time during lifting, which may cause the support force to be too large and damage the jack or steel structure.

[0003] Patent publication number "CN202881988U" discloses an automatic leveling device connected with a jack and a force measuring ring, including a load-bearing plate and a jack arranged on the load-bearing plate, a lower pressure plate and an upper pressure plate arranged on the jack, and a force measuring ring arranged on the top surface of the upper pressure plate, and the upper and lower pressure plates are provided with hemispherical grooves on the opposite sides, and a steel ball is arranged in the hemispherical groove, and the upper pressure plate and the lower pressure plate are connected by bolts. The device has a limited lifting height of the jack, and cannot meet the requirements when the steel bars need to be supported and positioned at a higher position; and the device drills a threaded hole at the lifting end of the jack for connecting the lower pressure plate, which is complicated in process. This connection method destroys the structure of the jack itself and has poor versatility. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the shortcomings of the above-mentioned background technology and provide a jack-rebar connection device with a measuring function.

[0005] The technical solution adopted by the utility model is: a jack-steel connecting device with a measuring function, comprising a jack, and also comprising:

[0006] A connecting plate, the connecting plate is arranged at the lifting end of the jack, and the connecting plate is provided with a first threaded column;

[0007] A force measuring ring, one end of which is threadedly connected to the first threaded column and the other end of which is provided with a threaded hole;

[0008] A telescopic adjustment mechanism, which can be axially telescopic and has one end threadedly connected to the threaded hole of the force measuring ring;

[0009] A steel bar receiving frame is arranged at the other end of the telescopic adjustment mechanism and is provided with a placement groove.

[0010] Furthermore, the telescopic adjustment mechanism includes an outer sleeve threadedly connected to the force measuring ring, and an inner sleeve sleeved in the outer sleeve and slidable axially along the outer sleeve; the outer sleeve is provided with a plurality of adjustment holes spaced apart along the axial direction, and the inner sleeve is provided with a fixing hole; the fixing hole is connected to any adjustment hole when the inner sleeve slides and is connected with a fixing pin.

[0011] Furthermore, the telescopic adjustment mechanism also includes a fine-tuning component, which is used to fine-tune the height position of the steel bar receiving frame by rotation.

[0012] Furthermore, the fine-tuning assembly includes a second threaded column arranged at one end of the inner sleeve away from the jack, and a threaded sleeve with one end sleeved on the second threaded column through a threaded structure.

[0013] Furthermore, a connecting groove for nesting the lifting end of the jack is provided at the bottom end of the connecting plate.

[0014] Furthermore, the steel bar receiving frame is threadedly connected to the other end of the threaded sleeve.

[0015] Furthermore, a third threaded column connected to the threaded sleeve is provided at the bottom end of the steel bar receiving frame, and the placement groove is provided at the top end.

[0016] Furthermore, the steel bar receiving frame is in a U-shaped structure, and the third threaded column is arranged in the middle of the U bottom end of the steel bar receiving frame.

[0017] Furthermore, the outer peripheral surface of the threaded sleeve is provided with a plane structure for applying pressure to rotate the threaded sleeve.

[0018] Furthermore, the first threaded column, force measuring ring, telescopic adjustment mechanism and steel bar receiving frame are all coaxially arranged.

[0019] Furthermore, the jack is a screw jack.

[0020] Furthermore, the internal thread structures of the threaded hole and the threaded sleeve are the same.

[0021] The advantages of the utility model include: 1. When the jack is lifted to the maximum height and still cannot support the steel bar to the actual required height, the telescopic adjustment mechanism can be extended to support the steel bar to the required height; the connecting plate is arranged at the lifting end of the jack without changing the jack structure; the force measuring ring can measure the pressure of the steel bar support point to avoid excessive pressure damaging the jack; the steel bar receiving frame is provided with a placement groove for placing the steel bar, which is convenient for receiving the steel bar;

[0022] 2. The inner sleeve can be axially slidably sleeved in the outer sleeve. Through the fixing hole and multiple adjustment holes, the fixing hole can be connected to any adjustment hole and then the fixing pin can be inserted. The appropriate height can be selected to cooperate with the jack to lift the steel bar to the required height. This component has a simple structure and is easy to use. The telescopic height can be selectively adjusted, and the telescopic adjustment function is very convenient;

[0023] 3. After the inner sleeve and the outer sleeve are slid to adjust the height through the fine-tuning component, the height position of the steel bar receiving frame can be fine-tuned. The height can be fine-tuned by rotating the threaded sleeve sleeved on the second threaded column, which is easy to use;

[0024] 4. The jacking end of the jack can be embedded in the connection groove at the bottom of the connection plate, so that the connection plate is sleeved on the jacking end of the jack without sliding, and the first threaded column arranged on the connection plate is conveniently arranged coaxially with the jack axis;

[0025] 5. The steel bar receiving frame is connected to the threaded sleeve by threads, which is convenient for disassembling and installing the receiving frame of suitable size; at the same time, it can avoid that after the threaded sleeve is fine-tuned and rotated, the placement slot of the steel bar receiving frame follows the rotation and is inconvenient for receiving steel bars;

[0026] 6. The U-shaped steel bar receiving frame can better concentrate the steel bars in the vertical direction, avoiding the horizontal dispersion of the steel bars, which will cause the telescopic adjustment mechanism to be non-vertical, resulting in uneven force on the force measuring ring and inaccurate detection;

[0027] 7. The third threaded column is arranged in the middle of the bottom end of the U, so that the steel bar receiving frame and the telescopic adjustment mechanism are arranged coaxially, so that the gravity of the steel bar is vertically transmitted to the telescopic adjustment mechanism;

[0028] 8. The flat structure on the threaded sleeve is convenient for turning the threaded sleeve with a wrench or other tools for fine adjustment;

[0029] 9. When the first threaded column, the force measuring ring, the telescopic adjustment mechanism and the steel bar receiving frame are all coaxially arranged, the pressure of the steel bar can be vertically transmitted to the force measuring ring, making the measurement result more accurate;

[0030] 10. When the internal thread structures of the threaded hole and the threaded sleeve are the same, when the telescopic adjustment mechanism is not needed, the steel bar receiving frame can be directly threadedly connected to the threaded hole of the force measuring ring through the third threaded column.

[0031] The utility model can measure the pressure of the steel bars at the supporting point, and when the lifting height of the jack is not enough, the telescopic adjustment mechanism can be adjusted to support the steel bars to a height that meets actual needs. The utility model has high measurement accuracy, simple manufacturing process, convenient assembly and disassembly, and easy operation and use. When a screw jack is used, a constant supporting force can be provided to keep the lifting end of the jack at a constant height, and the utility model has great promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 : Schematic diagram of the structure of the jack-rebar connection device with measuring function;

[0033] Figure 2 : Schematic diagram of the exploded structure of the jack-rebar connection device with measurement function;

[0034] Figure 3 : Schematic diagram of the top view of the connecting plate;

[0035] Figure 4 : Schematic diagram of the telescopic adjustment mechanism structure;

[0036] Figure 5 : Schematic diagram of the structure of the fine-tuning component set on the jack-rebar connection device with measuring function;

[0037] Figure 6 : Schematic diagram of the top view of the threaded sleeve;

[0038] Among them: 1—jack; 2—connecting plate; 21—first threaded column; 22—connecting groove; 3—force measuring ring; 31—threaded hole; 4—telescopic adjustment mechanism; 41—outer sleeve; 411—adjustment hole; 42—inner sleeve; 421—fixing hole; 43—fourth threaded column; 44—second threaded column; 45—threaded sleeve; 5—rebar receiving frame; 51—third threaded column. DETAILED DESCRIPTION

[0039] The embodiments of the present invention are described in detail below, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0040] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0042] The utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0043] The utility model relates to a jack-steel connection device with a measuring function, which is used to support and measure the pressure of the steel bar. A conventional jack 1 and a force measuring ring 3 are used. The force measuring ring 3 can be connected to the jack 1 through a connecting plate 2 provided with a first threaded column 21. The telescopic adjustment mechanism 4 can adjust the length (i.e., height) telescopically. When the jack 1 reaches the maximum lifting amount and still does not meet the actual required height, the support height for the steel bar can be extended. The placement groove of the steel bar receiving frame 5 is convenient for placing the steel bar. When in use, it will not deviate due to the extrusion force, and can provide or maintain the required size of the support force. The real-time support force provided by the jack 1 can also be measured, thereby providing a basis for the next step of construction or design.

[0044] A jack-steel connection device with a measuring function, specifically, Figures 1 to 6 As shown, it includes a jack 1, a connecting plate 2, a force measuring ring 3, a telescopic adjustment mechanism 4 and a steel bar receiving frame 5. The connecting plate 2 is arranged at the lifting end of the jack 1, and a first threaded column 21 is fixedly provided on the top surface of the connecting plate 2; threaded holes 31 are provided at both ends of the force measuring ring 3, and one end of the force measuring ring 3 is threadedly connected to the first threaded column 21. Preferably, when the force measuring ring 3 is connected to the first threaded column 21, the end surface of the threaded hole 31 of the force measuring ring 3 abuts against the connecting plate 2 to prevent lateral bending; the telescopic adjustment mechanism 4 can be axially telescopic, and one end is threadedly connected to the threaded hole 31 of the force measuring ring 3; the steel bar receiving frame 5 is arranged at the other end of the telescopic adjustment mechanism 4, and a placement groove for receiving steel bars is provided on the top of the steel bar receiving frame 5.

[0045] In a further embodiment, this embodiment provides a solution display of the telescopic adjustment mechanism 4, such as Figures 1-2 As shown, the telescopic adjustment mechanism 4 includes an outer sleeve 41 and an inner sleeve 42, one end of the outer sleeve 41 is provided with a fourth threaded column 43 which is threadedly connected to the threaded hole 31 of the force measuring ring 3, and the inner sleeve 42 is sleeved in the outer sleeve 41 and can slide axially along the outer sleeve 41; the outer sleeve 41 is provided with a plurality of adjustment holes 411 at intervals along the axial direction, and the inner sleeve 42 is provided with at least one fixing hole 421; the fixing hole 421 is connected to any adjustment hole 411 when the inner sleeve 42 slides and is inserted with a fixing pin; the steel bar receiving frame 5 is arranged at the top of the inner sleeve 42; by inserting the fixing pin into the fixing hole 421 and the adjustment hole 411 at the same time, the telescopic adjustment mechanism 4 can selectively adjust the telescopic height; preferably, when the threaded hole 31 of the force measuring ring 3 is connected to the fourth threaded column 43, the end face of the force measuring ring 3 abuts against the outer sleeve 41 to prevent lateral bending.

[0046] In a further embodiment, this embodiment provides a supplementary description of the telescopic adjustment mechanism 4, specifically, Figure 4As shown, the telescopic adjustment mechanism 4 also includes a fine-tuning component disposed at the top end of the inner sleeve 42 and connected to the steel bar receiving frame 5, and the fine-tuning component is used to fine-tune the height position of the steel bar receiving frame 5 by rotating.

[0047] In one embodiment, the fine-tuning assembly includes a second threaded column 44 and a threaded sleeve 45. The second threaded column 44 is arranged at the end of the inner sleeve 42 away from the jack 1. The threaded sleeve 45 is provided with an internal thread. One end of the threaded sleeve 45 is sleeved on the second threaded column 44 through a threaded structure. The steel bar receiving frame 5 is connected to the threaded sleeve 45. The height of the steel bar receiving frame 5 can be fine-tuned by rotating the threaded sleeve 45.

[0048] In some embodiments, the bottom end of the connecting plate 2 is provided with a connecting groove 22 for nesting the lifting end of the jack 1. Figure 3 As shown, the connecting groove 22 is preferably a circular structure, so that the side wall of the connecting groove 22 contacts the circumferential side wall of the piston rod of the jack 1, and the connecting plate 2 is limited in the horizontal direction to prevent the connecting plate 2 from sliding; at the same time, it is convenient to set the first threaded column 21 coaxially with the jack 1. When the first threaded column 21 is coaxial with the connecting groove 22, it is coaxial with the jack 1, which is convenient for more accurate measurement of the pressure of the steel bar.

[0049] In order to improve the flexibility of the actual use of the utility model, it is convenient to disassemble and install the receiving frame of suitable size, such as Figure 5 As shown, the steel bar receiving frame 5 is connected to the other end of the threaded sleeve 45 through a threaded structure, which can prevent the placement slot of the steel bar receiving frame 5 from rotating with the threaded sleeve 45 after fine-tuning and rotating, making it inconvenient to receive the steel bars. Specifically, as shown in the figure, the bottom end of the steel bar receiving frame 5 is provided with a third threaded column 51, and the third threaded column 51 is threadedly connected to the end of the threaded sleeve 45 away from the second threaded column 44, and the top end of the steel bar receiving frame 5 is provided with the above-mentioned placement slot.

[0050] Preferably, if Figure 5 As shown, the steel bar receiving frame 5 is a U-shaped structure, and the U-shaped opening size is slightly larger than the diameter of the steel bars received, which can effectively limit the displacement of the steel bars; the third threaded column 51 is arranged in the middle of the U bottom end of the steel bar receiving frame 5, so that the third threaded column 51 is located on the axis of the U-shaped structure.

[0051] Furthermore, if Figure 6 As shown, the outer circumferential surface of the threaded sleeve 45 is provided with a plane structure for applying pressure to rotate the threaded sleeve 45. Preferably, the threaded sleeve 45 is a polygonal sleeve structure, which is convenient for twisting the threaded sleeve 45 with a tool such as a wrench.

[0052] Preferably, the first threaded column 21, the force measuring ring 3, the telescopic adjustment mechanism 4 and the steel bar receiving frame 5 are all coaxially arranged. Figure 5As shown (the dotted line is the center axis), the first threaded column 21 is coaxially arranged with the connecting groove 22, the outer sleeve 41 of the telescopic adjustment mechanism 4 is coaxially arranged with the fourth threaded column 43, the second threaded column 44 is coaxially arranged with the inner sleeve 42, and the third threaded column 51 is located on the axis of the U-shaped structure. Through the coaxial arrangement of the above-mentioned components, the pressure direction of the steel bar on the force measuring ring 3 can be made coaxial with the force measuring ring 3, so that the measured pressure can be more accurate.

[0053] Preferably, the jack is a screw jack, which can provide and maintain a constant supporting force for a long time, thereby preventing the hydraulic pressure in the chamber where the bottom of the jack piston rod is located from dropping after the hydraulic jack has supported for too long, causing the lifting end to move downward.

[0054] In another preferred embodiment, the internal thread structure of the threaded hole 31 and the threaded sleeve 45 is the same, that is, the external thread structure on the first threaded column 21, the second threaded column 44, the third threaded column 51 and the fourth threaded column 43 are the same. When the telescopic adjustment mechanism 4 is not needed, the steel bar receiving frame 5 can be directly threadedly connected to the threaded hole 31 of the force measuring ring 3 through the third threaded column 51. Or, one end of the threaded sleeve 45 is connected to the threaded hole 31 of the force measuring ring 3 through the fifth threaded column, and the steel bar receiving frame 5 is connected to the other end of the threaded sleeve 45 through the third threaded column 51, and then the threaded sleeve 45 is rotated to fine-tune the height.

[0055] Preferably, the second threaded column 44 is threadedly connected to the end of the inner sleeve 42 , and the fine-tuning assembly with the steel bar receiving frame 5 can be directly connected to the threaded hole 31 of the force measuring ring 3 through the second threaded column 44 .

[0056] In actual use, the jack 1 is placed on a base surface for supporting steel bars, and a connecting plate 2 is placed on the lifting end of the jack 1 so that the connecting groove 22 is sleeved on the end of the jack piston rod; the force measuring ring 3 is screwed on the first threaded column 21 so that the end face of the force measuring ring 3 abuts against the connecting plate 2; the telescopic adjustment mechanism 4 is then screwed into the threaded hole 31 at the other end of the force measuring ring 3 so that the other end face of the force measuring ring 3 abuts against the outer sleeve 41 of the telescopic mechanism; the threaded sleeve 45 is sleeved on the second threaded column 44 on the inner sleeve 42; 5, the top end is screwed into the steel bar receiving frame 5; when the maximum height of the jack 1 does not meet the height that the steel bar actually needs to support, the sliding inner sleeve 42 selects a height greater than the actual need, inserts the fixing pin into the fixing hole 421 and a corresponding adjusting hole 411, observes the pressure display of the force measuring ring 3, cooperates with the jack 1 to support the steel bar to the actual required height, when the jack 1 supports the steel bar to near the actual required height, the threaded sleeve 45 can be used with a wrench or other tools to fine-tune the height to meet the actual needs.

[0057] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A jack-steel connection device with a measuring function, comprising a jack (1), characterized in that: Also includes, A connecting plate (2), the connecting plate (2) being arranged at the lifting end of the jack (1), the connecting plate (2) being provided with a first threaded column (21); A force measuring ring (3), one end of which is threadedly connected to the first threaded column (21) and the other end of which is provided with a threaded hole (31); A telescopic adjustment mechanism (4), wherein the telescopic adjustment mechanism (4) can be axially telescopic, and one end of the telescopic adjustment mechanism (4) is threadedly connected to a threaded hole (31) of the force measuring ring (3); A steel bar receiving frame (5) is arranged at the other end of the telescopic adjustment mechanism (4) and is provided with a placement groove.

2. A jack-rebar connection device with a measuring function as claimed in claim 1, characterized in that: The telescopic adjustment mechanism (4) comprises an outer sleeve (41) threadedly connected to the force measuring ring (3), and an inner sleeve (42) sleeved in the outer sleeve (41) and slidable along the axial direction of the outer sleeve (41); the outer sleeve (41) is provided with a plurality of adjustment holes (411) spaced apart along the axial direction, and the inner sleeve (42) is provided with a fixing hole (421); the fixing hole (421) is connected to any adjustment hole (411) when the inner sleeve (42) slides and is plugged with a fixing pin.

3. A jack-rebar connection device with a measuring function as claimed in claim 2, characterized in that: The telescopic adjustment mechanism (4) also includes a fine-tuning component, which is used to fine-tune the height position of the steel bar receiving frame (5) by rotating.

4. A jack-rebar connection device with a measuring function as claimed in claim 3, characterized in that: The fine adjustment assembly comprises a second threaded column (44) arranged at one end of the inner sleeve (42) away from the jack (1), and a threaded sleeve (45) with one end sleeved on the second threaded column (44) through a threaded structure.

5. A jack-rebar connection device with a measuring function as claimed in any one of claims 1 to 4, characterized in that: The bottom end of the connecting plate (2) is provided with a connecting groove (22) for nesting the lifting end of the jack (1).

6. A jack-rebar connection device with a measuring function as claimed in claim 4, characterized in that: The steel bar receiving frame (5) is threadedly connected to the other end of the threaded sleeve (45).

7. A jack-rebar connection device with a measuring function as claimed in claim 6, characterized in that: The bottom end of the steel bar receiving frame (5) is provided with a third threaded column (51) connected to the threaded sleeve (45), and the top end is provided with the placement groove.

8. A jack-rebar connection device with a measuring function as claimed in claim 7, characterized in that: The steel bar receiving frame (5) is in a U-shaped structure, and the third threaded column (51) is arranged in the middle of the U bottom end of the steel bar receiving frame (5).

9. A jack-rebar connection device with a measuring function as claimed in claim 4, characterized in that: The outer peripheral surface of the threaded sleeve (45) is provided with a plane structure for applying pressure to rotate the threaded sleeve (45).

10. The jack-rebar connection device with a measuring function as claimed in claim 1, characterized in that: The first threaded column (21), the force measuring ring (3), the telescopic adjustment mechanism (4) and the steel bar receiving frame (5) are all coaxially arranged.

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