Mining high polymer material injection gun with temperature compensation function

Abstract

The utility model discloses a mining high polymer material injection gun with a temperature compensation function, which belongs to the technical field of grouting equipment and comprises an injection channel, an electric cylinder, an injection cavity, a protective cavity, a temperature sensor, a ceramic heater and a cold air nozzle. A quick connector is arranged at one end of the double-acting reciprocating pump, the end, away from the quick connector, of the double-acting reciprocating pump communicates with an injection cavity, and the injection cavity is sleeved with the protection cavity which is in threaded connection with the injection channel. And the ceramic heater and the cold air nozzle are arranged between the injection cavity and the protection cavity. The mining high polymer material injection gun with the temperature compensation function adopting the structure solves the problem that the filling effect of a high polymer material is not ideal due to the fact that the high polymer material is influenced by the environment temperature in the injection process.

Description

TECHNICAL FIELD

[0001] The utility model relates to grouting equipment technical field especially is with temperature compensation function's mining high polymer material injection gun. BACKGROUND

[0002] The mining high polymer material injection gun is a special equipment specially used for coal mine underground engineering repair, reinforcement and sealing operation. In practical application, in order to ensure construction quality and efficiency, the performance change problem of high polymer material under different environmental temperatures needs to be solved. The viscosity and fluidity of high polymer material can change significantly with temperature, and in low temperature environment, the material can become too viscous, and it is difficult to inject smoothly, and in high temperature, it can be too thin, resulting in injection precision decline or leakage problem. In addition, the solidification speed is also affected by temperature, and too low temperature can cause material solidification time to be prolonged, and affect construction progress, and too high temperature can cause material to solidify too early, and affect filling effect.

[0003] Therefore, it is necessary to provide a mining high polymer material injection gun with temperature compensation function to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a mining high polymer material injection gun with temperature compensation function, and solves the problem that high polymer material filling effect is not ideal due to the influence of environmental temperature on high polymer material in the injection process.

[0005] To achieve the above object, the utility model provides a mining high polymer material injection gun with temperature compensation function, which comprises injection channel, electric cylinder, injection cavity, protection cavity, temperature sensor, ceramic heater and cold gas spray head, the injection channel is provided with double-acting reciprocating pump, one end of the double-acting reciprocating pump is provided with quick coupling, the end of the double-acting reciprocating pump away from the quick coupling is communicated with injection cavity, the protection cavity is sleeved outside the injection cavity, is connected with the injection channel screw, the ceramic heater and the cold gas spray head are arranged between the injection cavity and the protection cavity.

[0006] Preferably, the electric cylinder is arranged on the outer side of the injection cavity, the electric cylinder is connected with the push piston, and the push piston is arranged in the injection cavity.

[0007] Preferably, the ceramic heater is fixed below the injection cavity through the heater connector, the ceramic heater is evenly distributed around the injection cavity, and the heater connector is connected with the power supply.

[0008] Preferably, the injection cavity is internally provided with a plurality of uniformly distributed heat-conducting fins, the heat-conducting fins are obliquely arranged, the heat-conducting fins are provided with a plurality of through holes.

[0009] Preferably, the bottom end of the injection cavity is provided with an injection head, and the injection head is provided with an injection hole.

[0010] Preferably, the contact end of the protection cavity and the injection cavity is provided with a high-temperature-resistant fixing sleeve.

[0011] Preferably, the cold gas nozzle is arranged around the injection cavity, and the cold gas nozzle is connected with a cold gas channel.

[0012] Preferably, the temperature sensor is arranged on the outer wall of the injection cavity.

[0013] Therefore, the mine high polymer material injection gun with temperature compensation function has the following beneficial effects:

[0014] (1) The ceramic heater and the cold gas nozzle are used for temperature compensation of the high polymer material in the injection gun, the output temperature is adjusted, the material is always kept in an optimal working state, the flowability and operability of the material are effectively improved, the solidification speed can be effectively controlled, the waiting time is reduced, the construction efficiency is improved, equipment failure or abnormal reaction of the material caused by extreme temperature can be prevented to a certain extent, potential safety risks are reduced, the purpose of protecting equipment and workers' health and prolonging the service life is achieved.

[0015] (2) The double-acting reciprocating pump is provided, the four pistons inside the double-acting reciprocating pump work alternately, the high polymer material can continuously and stably enter the double-acting reciprocating pump from the conveying pipeline, and finally is injected into the injection cavity through the liquid outlet, the injection efficiency is improved, and uniform conveying and accurate control of the material under different working conditions are ensured. In this way, the injection gun can maintain efficient and stable operation in a complex and changeable working environment, and meet the needs of coal mine engineering repair, reinforcement and sealing operation.

[0016] (3) The utility model has the advantages of simple function and convenient use.

[0017] The technical scheme of the utility model will be further described in detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is the position relation drawing of the injection channel and the injection cavity and the ceramic heater of the mine high polymer material injection gun with temperature compensation function of the utility model;

[0019] Fig. 2 The utility model discloses a section view schematic diagram of mine high polymer material injection gun with temperature compensation function,

[0020] Labeling instructions

[0021] 1, injection channel;101, first piston;102, second piston;103, third piston;104, fourth piston;105, limit block;106, liquid outlet;107, double-acting reciprocating pump;2, electric cylinder;201, push piston;3, quick coupling;4, ceramic heater;5, injection cavity;501, heat-conducting fin;6, injection head;7, screw;8, protection cavity;9, high-temperature-resistant fixing sleeve;10, heater connector;11, cold gas nozzle;12, temperature sensor. DETAILED DESCRIPTION

[0022] The technical scheme of the utility model will be further described below with reference to the drawings and embodiments.

[0023] Unless otherwise defined, technical terms or scientific terms used in the utility model should be understood as the usual meaning by those skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, and do not exclude other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0024] The specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical, part and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here. The component type appearing in the paper is the common type in the prior art, which can be replaced according to actual needs.

[0025] As shown in the description Figs. 1-2 The utility model discloses a kind of mine high polymer material injection guns with temperature compensation function, including injection channel 1, electric cylinder 2, injection cavity 5, protection cavity 8, temperature sensor 12, ceramic heater 4 and cold gas nozzle 11.

[0026] The injection channel 1 is provided with a double-acting reciprocating pump 107, the double-acting reciprocating pump 107 is provided with four movable pistons, the pistons are provided with limit blocks 105, respectively, the first piston 101, the second piston 102, the third piston 103 and the fourth piston 104, the four pistons are arranged in two layers on the pump body. The electric cylinder 2 is arranged on the outer side of the injection channel, the electric cylinder 2 is connected with a push piston 201, the push piston 201 is arranged in the double-acting reciprocating pump 107, the push piston 201 is provided with two pistons at the front and back ends, the first piston 101 and the second piston 102 are arranged above the push piston 201, the third piston 103 and the fourth piston 104 are arranged below the push piston 201, the first piston 101 and the fourth piston 104 are arranged at the rear of the push piston 201, and the second piston 102 and the third piston 103 are arranged at the front of the push piston 201. One end of the double-acting reciprocating pump 107 is provided with a quick connector 3, the quick connector 3 is connected with a high molecular material conveying pipe, and the other end of the double-acting reciprocating pump 107 away from the quick connector 3 is connected with an injection cavity 5 through a liquid outlet 106.

[0027] When the electric cylinder 2 drives the push piston 201 to move forward, the second piston 102 sucks liquid, and the third piston 103 discharges liquid. When the electric cylinder 2 drives the push piston 201 to move backward, the first piston 101 sucks liquid and the fourth piston 104 discharges liquid.

[0028] The protection cavity 8 is sleeved outside the injection cavity 5 and is connected with the injection channel 1 through a screw thread 7. Therefore, after use, it can be conveniently disassembled and the internal state is queried. The ceramic heater 4 and the cold gas jet head 11 are arranged between the injection cavity 5 and the protection cavity 8. The temperature sensor 12 is arranged on the outer wall of the injection cavity 5. The temperature sensor 12 is connected with the existing controller arranged outside the cavity through a line, the ceramic heater 4 is fixed below the injection cavity 5 through a heater connector 10, the heater connector 10 is electrically connected with the existing controller arranged outside the cavity, the ceramic heater 4 is uniformly distributed around the injection cavity 5, and the heater connector 10 is connected with a power supply. The cold gas jet head 11 is arranged around the injection cavity 5, and the cold gas jet head 11 is connected with a cold gas channel, and a valve of the cold gas pipe is electrically connected with the existing controller arranged outside the cavity.

[0029] When the temperature sensor 12 senses the temperature change of the high molecular material, the ceramic heater 4 or the cold gas jet head 11 is mobilized to heat or cool the high molecular material, so that it is kept in a relatively stable state.

[0030] The injection cavity 5 is internally provided with a plurality of uniformly distributed heat-conducting fins 501, the heat-conducting fins 501 are obliquely arranged, the included angle between the heat-conducting fins 501 and the upper end of the contact surface thereof is obtuse, a plurality of through holes are arranged on the heat-conducting fins 501, the heat-conducting fins 501 are made of good heat-conducting material, the heat conducted from the ceramic heater 4 or the cold air nozzle 11 to the injection cavity 5 is transmitted to the heat-conducting fins 501 and then transmitted to the flowing high polymer material. Meanwhile, the heat-conducting fins 501 also play a role in guiding the flow of the high polymer material, the through holes help to disperse the material flow path, reduce turbulence and dead angle, and make the material more evenly distributed in the injection cavity 5.

[0031] The bottom end of the injection cavity 5 is provided with an injection head 6, and the injection head 6 is provided with an injection hole.

[0032] The contact end of the protection cavity 8 and the injection cavity 5 is provided with a high-temperature-resistant fixing sleeve 9.

[0033] Therefore, the mine high polymer material injection gun with the temperature compensation function adopts the above structure, and the problem that the filling effect of the high polymer material is not ideal due to the influence of the environmental temperature on the high polymer material in the injection process is solved.

[0034] Finally, it should be noted that: the above examples are only used to illustrate the technical scheme of the utility model and not to limit it, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical scheme of the utility model can still be modified or replaced, and these modifications or replacements cannot make the modified technical scheme deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. A polymer injection gun for mining with temperature compensation, characterized in that: Including injection channel, electric cylinder, injection cavity, protection cavity, temperature sensor, ceramic heater and cold gas spray head, the double-acting reciprocating pump is provided with quick connector at one end, the injection cavity is communicated with the double-acting reciprocating pump away from the quick connector, the protection cavity is sleeved outside the injection cavity and is screwed with the injection channel, and the ceramic heater and the cold gas spray head are arranged between the injection cavity and the protection cavity.

2. The mine high polymer material injection gun with temperature compensation function according to claim 1, characterized in that: The electric cylinder is arranged on the outer side of the injection channel, and the electric cylinder is connected with a push piston arranged in the injection cavity.

3. The mine high polymer material injection gun with temperature compensation function according to claim 1, characterized in that: The ceramic heater is fixed below the injection cavity through a heater joint, the ceramic heater is uniformly distributed around the injection cavity, and the heater joint is connected with a power supply.

4. The mine high polymer material injection gun with temperature compensation function according to claim 1, characterized in that: The injection cavity is provided with a plurality of uniformly distributed heat-conducting fins, the heat-conducting fins are arranged obliquely, the included angle between the heat-conducting fins and the upper end of the contact surface thereof is obtuse, and a plurality of through holes are arranged on the heat-conducting fins.

5. The mining high polymer material injection gun with temperature compensation function according to claim 1, characterized in that: The bottom end of the injection cavity is provided with an injection head, and the injection head is provided with an injection hole.

6. The mine high polymer material injection gun with temperature compensation function according to claim 1, characterized in that: The contact end of the protection cavity with the injection cavity is provided with a high-temperature-resistant fixing sleeve.

7. The mine high polymer material injection gun with temperature compensation function according to claim 1, characterized in that: The cold gas spray head is arranged around the injection cavity, and the cold gas spray head is connected with a cold gas channel.

8. The mine high polymer material injection gun with temperature compensation function according to claim 1, characterized in that: The temperature sensor is arranged on the outer wall of the injection cavity.

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